/* roulang page: index */
:root {
            --color-primary: #F05A28;
            --color-primary-hover: #D04A1E;
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-text: #1A1A1A;
            --color-text-secondary: #4A4A4A;
            --color-text-light: #6B6B6B;
            --color-bg: #FFFFFF;
            --color-bg-light: #F7F7F7;
            --color-bg-lighter: #FAFAFA;
            --color-border: #EAEAEA;
            --color-border-light: #F0F0F0;
            --color-white: #FFFFFF;
            --color-success: #2E7D32;
            --color-warning: #F9A825;
            --color-chip-warmup: #6B6B6B;
            --color-chip-live: #F05A28;
            --color-chip-replay: #4A4A4A;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-pill: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-h1: 2.5rem;
            --font-h2: 1.75rem;
            --font-h3: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --line-height-body: 1.75;
            --line-height-heading: 1.25;
            --max-width: 1200px;
            --nav-height: 64px;
            --section-gap: 88px;
            --section-gap-mobile: 56px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'MiSans', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: var(--font-body);
            line-height: var(--line-height-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
            position: relative;
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: var(--line-height-heading);
            color: var(--color-dark);
            margin: 0;
        }

        h1 {
            font-size: var(--font-h1);
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: var(--font-h2);
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: var(--font-h3);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            :root {
                --font-h1: 1.75rem;
                --font-h2: 1.35rem;
                --font-h3: 1.1rem;
                --section-gap: 56px;
                --nav-height: 56px;
            }
            body {
                font-size: 0.95rem;
            }
        }

        @media (min-width: 641px) and (max-width: 1024px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.5rem;
                --font-h3: 1.15rem;
                --section-gap: 72px;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-logo .logo-accent {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: #B0B0B0;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            cursor: default;
            flex-shrink: 0;
        }

        .nav-chip.warmup {
            background: rgba(107, 107, 107, 0.2);
            color: #9E9E9E;
            border: 1px solid rgba(107, 107, 107, 0.3);
        }
        .nav-chip.live {
            background: rgba(240, 90, 40, 0.2);
            color: #F05A28;
            border: 1px solid rgba(240, 90, 40, 0.35);
            animation: chipPulse 2s ease-in-out infinite;
        }
        .nav-chip.replay {
            background: rgba(180, 180, 180, 0.15);
            color: #A0A0A0;
            border: 1px solid rgba(180, 180, 180, 0.25);
        }

        @keyframes chipPulse {
            0%,
            100% {
                border-color: rgba(240, 90, 40, 0.35);
            }
            50% {
                border-color: rgba(240, 90, 40, 0.7);
            }
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: currentColor;
            flex-shrink: 0;
        }
        .nav-chip.live .chip-dot {
            animation: dotBlink 1s ease-in-out infinite;
        }

        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            line-height: 1;
            transition: color var(--transition-fast);
        }
        .hamburger:hover {
            color: var(--color-primary);
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
            }
            .nav-links.mobile-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 26, 26, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                z-index: 999;
                align-items: stretch;
            }
            .nav-links.mobile-open a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }
            .nav-links.mobile-open .nav-chip {
                margin: 8px 0;
                align-self: flex-start;
            }
            .hamburger {
                display: block;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: linear-gradient(160deg, #141414 0%, #1A1A1A 30%, #1f1a18 60%, #1A1A1A 100%);
            overflow: hidden;
            padding: 60px 0 80px;
        }

        .hero-bg-pattern {
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(circle at 20% 30%, rgba(240, 90, 40, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 75% 60%, rgba(240, 90, 40, 0.04) 0%, transparent 40%),
                radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.015) 0%, transparent 35%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-grid-overlay {
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            z-index: 0;
            opacity: 0.5;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-content {
            color: var(--color-white);
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(240, 90, 40, 0.15);
            border: 1px solid rgba(240, 90, 40, 0.3);
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            color: #F05A28;
            letter-spacing: 0.04em;
            margin-bottom: 20px;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 18px;
        }

        .hero-content h1 .highlight {
            color: var(--color-primary);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: #B0B0B0;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
            border: 2px solid transparent;
            line-height: 1.3;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 90, 40, 0.3);
            color: #FFFFFF;
        }

        .btn-ghost {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.35);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
            color: #FFFFFF;
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--color-dark);
            border-color: var(--color-border);
        }
        .btn-outline-dark:hover {
            background: var(--color-dark);
            color: #FFFFFF;
            border-color: var(--color-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-md);
        }

        .btn-text {
            background: none;
            border: none;
            color: var(--color-primary);
            padding: 0;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
            text-decoration: none;
            border-bottom: 1px solid transparent;
        }
        .btn-text:hover {
            border-bottom-color: var(--color-primary);
            color: var(--color-primary-hover);
        }
        .btn-text .arrow {
            transition: transform var(--transition-fast);
        }
        .btn-text:hover .arrow {
            transform: translateX(4px);
        }

        .hero-countdown {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .countdown-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 14px 18px;
            text-align: center;
            min-width: 64px;
            transition: all var(--transition-fast);
        }
        .countdown-item .count-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1;
            display: block;
        }
        .countdown-item .count-label {
            font-size: 0.7rem;
            color: #888;
            letter-spacing: 0.04em;
            margin-top: 4px;
            display: block;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-abstract-shape {
            width: 100%;
            max-width: 420px;
            aspect-ratio: 1 / 1;
            border-radius: 50%;
            background: radial-gradient(circle at 40% 40%, rgba(240, 90, 40, 0.2) 0%, rgba(240, 90, 40, 0.04) 50%, transparent 70%);
            position: relative;
            animation: floatShape 8s ease-in-out infinite;
        }

        @keyframes floatShape {
            0%,
            100% {
                transform: translateY(0) scale(1);
            }
            25% {
                transform: translateY(-16px) scale(1.03);
            }
            50% {
                transform: translateY(-8px) scale(0.98);
            }
            75% {
                transform: translateY(-20px) scale(1.02);
            }
        }

        .hero-abstract-shape::after {
            content: '';
            position: absolute;
            inset: 15%;
            border-radius: 50%;
            border: 2px solid rgba(240, 90, 40, 0.25);
            animation: spinSlow 20s linear infinite;
        }

        @keyframes spinSlow {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }

        .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1;
            display: block;
        }
        .hero-stat .stat-label {
            font-size: 0.8rem;
            color: #999;
            margin-top: 4px;
            display: block;
        }

        @media (max-width: 1024px) {
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                order: -1;
                max-width: 280px;
                margin: 0 auto;
            }
            .hero-abstract-shape {
                max-width: 260px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
                max-width: 100%;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0 50px;
            }
        }

        @media (max-width: 640px) {
            .hero-content h1 {
                font-size: 1.75rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-countdown {
                gap: 10px;
            }
            .countdown-item {
                padding: 10px 14px;
                min-width: 50px;
            }
            .countdown-item .count-num {
                font-size: 1.3rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat .stat-num {
                font-size: 1.6rem;
            }
        }

        /* ========== SECTIONS GENERAL ========== */
        section {
            padding: var(--section-gap) 0;
        }

        @media (max-width: 640px) {
            section {
                padding: var(--section-gap-mobile) 0;
            }
        }

        .section-header {
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: var(--font-h2);
            margin-bottom: 10px;
        }
        .section-header p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            max-width: 600px;
            line-height: 1.7;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        /* ========== HORIZONTAL SCROLL TRACK (片库轨道转化) ========== */
        .scroll-track-section {
            background: var(--color-bg-light);
            padding: 56px 0;
        }
        .scroll-track-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 8px 0 20px;
        }
        .scroll-track-wrapper::-webkit-scrollbar {
            display: none;
        }
        .scroll-track-inner {
            display: flex;
            gap: 18px;
            padding: 0 24px;
            width: max-content;
        }
        .scroll-track-card {
            flex: 0 0 260px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .scroll-track-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #D0D0D0;
        }
        .scroll-track-card .card-img {
            height: 150px;
            background: #E8E8E8;
            position: relative;
            overflow: hidden;
        }
        .scroll-track-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scroll-track-card .card-img .play-badge {
            position: absolute;
            bottom: 10px;
            left: 10px;
            background: rgba(0, 0, 0, 0.7);
            color: #FFF;
            font-size: 0.7rem;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .scroll-track-card .card-body {
            padding: 16px;
        }
        .scroll-track-card .card-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.35;
            color: var(--color-dark);
        }
        .scroll-track-card .card-body .card-meta {
            font-size: 0.75rem;
            color: var(--color-text-light);
        }

        @media (max-width: 640px) {
            .scroll-track-card {
                flex: 0 0 200px;
            }
            .scroll-track-card .card-img {
                height: 120px;
            }
            .scroll-track-inner {
                padding: 0 16px;
                gap: 12px;
            }
        }

        /* ========== HOT RECOMMEND (热播推荐转化) ========== */
        .hot-recommend-section {
            background: var(--color-white);
        }
        .hot-rec-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
        }
        .hot-rec-main {
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            padding: 32px;
            color: #FFFFFF;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 340px;
            position: relative;
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .hot-rec-main:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .hot-rec-main .rec-bg {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.7) 100%);
            z-index: 1;
        }
        .hot-rec-main .rec-content {
            position: relative;
            z-index: 2;
        }
        .hot-rec-main .rec-tag {
            display: inline-block;
            background: var(--color-primary);
            color: #FFF;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }
        .hot-rec-main h3 {
            color: #FFF;
            font-size: 1.4rem;
            margin-bottom: 8px;
        }
        .hot-rec-main p {
            color: #CCC;
            font-size: 0.85rem;
            line-height: 1.5;
            margin: 0;
        }
        .hot-rec-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hot-rec-side-card {
            background: var(--color-bg-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            color: inherit;
            display: block;
            flex: 1;
        }
        .hot-rec-side-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: #D0D0D0;
            transform: translateY(-2px);
        }
        .hot-rec-side-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-dark);
        }
        .hot-rec-side-card .side-meta {
            font-size: 0.75rem;
            color: var(--color-text-light);
        }

        @media (max-width: 1024px) {
            .hot-rec-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-rec-main {
                grid-column: 1 / -1;
                min-height: 240px;
            }
        }
        @media (max-width: 640px) {
            .hot-rec-grid {
                grid-template-columns: 1fr;
            }
            .hot-rec-side {
                flex-direction: row;
                flex-wrap: wrap;
            }
            .hot-rec-side-card {
                flex: 0 0 100%;
                min-width: 0;
            }
        }

        /* ========== CATEGORY ZONE (片单分区转化) ========== */
        .category-zone-section {
            background: var(--color-bg-light);
        }
        .cat-zone-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .cat-zone-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 28px 24px;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .cat-zone-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px) scale(1.02);
            border-color: #D0D0D0;
        }
        .cat-zone-card .zone-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(240, 90, 40, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--color-primary);
        }
        .cat-zone-card .zone-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-dark);
        }
        .cat-zone-card .zone-info p {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }
        .cat-zone-card .zone-count {
            margin-left: auto;
            font-size: 0.75rem;
            color: var(--color-text-light);
            white-space: nowrap;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .cat-zone-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .cat-zone-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== VERTICAL CARD FLOW (竖屏种草) ========== */
        .vertical-card-section {
            background: var(--color-white);
        }
        .vertical-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .vertical-card {
            background: var(--color-bg-light);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
        }
        .vertical-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: #D0D0D0;
        }
        .vertical-card .v-img {
            aspect-ratio: 3 / 4;
            background: #E8E8E8;
            overflow: hidden;
        }
        .vertical-card .v-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .vertical-card .v-body {
            padding: 14px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .vertical-card .v-body h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 4px;
            line-height: 1.3;
            color: var(--color-dark);
        }
        .vertical-card .v-body .v-desc {
            font-size: 0.75rem;
            color: var(--color-text-light);
            line-height: 1.4;
            flex: 1;
        }
        .vertical-card .v-body .v-cta {
            margin-top: 10px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 1024px) {
            .vertical-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .vertical-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .vertical-card .v-body h4 {
                font-size: 0.8rem;
            }
        }

        /* ========== HIGHLIGHT WALL (活动亮点墙) ========== */
        .highlight-wall-section {
            background: var(--color-dark);
            color: #FFFFFF;
        }
        .highlight-wall-section .section-header h2 {
            color: #FFF;
        }
        .highlight-wall-section .section-header p {
            color: #AAA;
        }
        .highlight-wall-section .section-tag {
            color: var(--color-primary);
        }
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .highlight-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-xl);
            padding: 28px;
            transition: all var(--transition-base);
            text-align: center;
        }
        .highlight-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(240, 90, 40, 0.4);
            transform: translateY(-4px);
        }
        .highlight-card .hl-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(240, 90, 40, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-primary);
        }
        .highlight-card h4 {
            color: #FFF;
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .highlight-card p {
            color: #AAA;
            font-size: 0.85rem;
            line-height: 1.6;
            margin: 0;
        }
        .highlight-card .hl-btn {
            display: inline-block;
            margin-top: 14px;
            padding: 8px 20px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(240, 90, 40, 0.5);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
        }
        .highlight-card .hl-btn:hover {
            background: var(--color-primary);
            color: #FFF;
            border-color: var(--color-primary);
        }

        @media (max-width: 1024px) {
            .highlight-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .highlight-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== BRAND STORY (品牌故事) ========== */
        .brand-story-section {
            background: var(--color-bg-light);
        }
        .brand-story-inner {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 48px;
            align-items: center;
        }
        .brand-story-visual {
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }
        .brand-story-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
        }
        .brand-story-visual .brand-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.5) 0%, transparent 60%);
        }
        .brand-story-text h2 {
            margin-bottom: 16px;
        }
        .brand-story-text .brand-intro {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }
        .brand-story-text .brand-values {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }
        .brand-value-item {
            text-align: center;
            min-width: 70px;
        }
        .brand-value-item .bv-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            display: block;
        }
        .brand-value-item .bv-label {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-top: 4px;
        }

        @media (max-width: 1024px) {
            .brand-story-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .brand-story-visual {
                aspect-ratio: 16 / 9;
                max-height: 320px;
            }
        }

        /* ========== NEWS CENTER (新闻中心) ========== */
        .news-section {
            background: var(--color-white);
        }
        .news-timeline {
            position: relative;
            padding-left: 0;
        }
        .news-item {
            display: grid;
            grid-template-columns: 100px 1fr;
            gap: 24px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-item:hover {
            background: var(--color-bg-lighter);
            margin: 0 -16px;
            padding-left: 16px;
            padding-right: 16px;
            border-radius: var(--radius-md);
        }
        .news-item .news-date {
            font-size: 0.85rem;
            color: var(--color-text-light);
            font-weight: 500;
            padding-top: 2px;
            white-space: nowrap;
        }
        .news-item .news-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-dark);
            line-height: 1.4;
        }
        .news-item .news-content p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.55;
        }
        .news-item .news-content .news-link {
            display: inline-block;
            margin-top: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-primary);
            position: relative;
            text-decoration: none;
            border-bottom: 1px solid transparent;
            transition: all var(--transition-fast);
        }
        .news-item .news-content .news-link:hover {
            border-bottom-color: var(--color-primary);
        }

        @media (max-width: 640px) {
            .news-item {
                grid-template-columns: 1fr;
                gap: 6px;
            }
            .news-item .news-date {
                font-size: 0.75rem;
            }
        }

        /* ========== COLLECTION DIRECTORY (合集目录) ========== */
        .collection-section {
            background: var(--color-bg-light);
        }
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .collection-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            display: block;
        }
        .collection-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: #D0D0D0;
        }
        .collection-card .coll-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            display: block;
        }
        .collection-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-dark);
        }
        .collection-card .coll-count {
            font-size: 0.75rem;
            color: var(--color-text-light);
        }

        @media (max-width: 1024px) {
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
        }

        /* ========== LIVE PREVIEW (直播预告) ========== */
        .live-preview-section {
            background: var(--color-white);
        }
        .live-preview-card {
            background: linear-gradient(135deg, #1A1A1A 0%, #2A1F1A 100%);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }
        .live-preview-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(240, 90, 40, 0.1);
            pointer-events: none;
        }
        .live-preview-info h3 {
            color: #FFF;
            font-size: 1.4rem;
            margin-bottom: 8px;
        }
        .live-preview-info .live-time {
            font-size: 0.9rem;
            color: #CCC;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .live-preview-info .live-time .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #F05A28;
            animation: dotBlink 1.2s ease-in-out infinite;
        }
        .live-preview-info .live-highlights {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .live-preview-info .live-highlights li {
            padding: 6px 0;
            font-size: 0.9rem;
            color: #BBB;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .live-preview-info .live-highlights li::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-primary);
            flex-shrink: 0;
        }
        .live-preview-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        .live-preview-visual img {
            border-radius: var(--radius-lg);
            max-width: 100%;
            height: auto;
        }

        @media (max-width: 1024px) {
            .live-preview-card {
                grid-template-columns: 1fr;
                padding: 28px;
            }
            .live-preview-visual {
                order: -1;
            }
        }

        /* ========== SCENARIO SECTION (使用场景) ========== */
        .scenario-section {
            background: var(--color-bg-light);
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .scenario-card .sc-img {
            height: 180px;
            background: #E8E8E8;
            overflow: hidden;
        }
        .scenario-card .sc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scenario-card .sc-body {
            padding: 20px;
        }
        .scenario-card .sc-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-dark);
        }
        .scenario-card .sc-body p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FEATURE CARDS (功能分组) ========== */
        .features-section {
            background: var(--color-white);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .feature-card {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-base);
            cursor: default;
            background: var(--color-white);
            height: auto;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px) scale(1.02);
            border-color: #D0D0D0;
        }
        .feature-card .feat-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: rgba(240, 90, 40, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
            font-size: 1.2rem;
            color: var(--color-primary);
        }
        .feature-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-dark);
        }
        .feature-card p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== VALUE PROPOSITION (价值主张) ========== */
        .value-prop-section {
            background: var(--color-bg-light);
        }
        .value-prop-inner {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .value-prop-text h2 {
            margin-bottom: 16px;
        }
        .value-prop-text .vp-desc {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--color-text-secondary);
            margin-bottom: 0;
        }
        .value-prop-data {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .vp-data-item {
            display: flex;
            align-items: baseline;
            gap: 12px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .vp-data-item .vp-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            flex-shrink: 0;
        }
        .vp-data-item .vp-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .value-prop-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .value-prop-data {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }
            .vp-data-item {
                flex: 1;
                min-width: 140px;
                flex-direction: column;
                gap: 6px;
                padding: 12px;
                border-bottom: none;
                border-right: 1px solid var(--color-border-light);
            }
            .vp-data-item:last-child {
                border-right: none;
            }
        }
        @media (max-width: 640px) {
            .value-prop-data {
                flex-direction: column;
            }
            .vp-data-item {
                border-right: none;
                border-bottom: 1px solid var(--color-border-light);
                flex-direction: row;
                gap: 12px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-white);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item.active {
            border-color: var(--color-primary);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--color-dark);
            transition: all var(--transition-fast);
            font-family: inherit;
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            transition: transform var(--transition-base);
            flex-shrink: 0;
            color: var(--color-text-light);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA BOTTOM ========== */
        .cta-bottom-section {
            background: var(--color-dark);
            color: #FFFFFF;
            text-align: center;
            padding: 64px 0;
        }
        .cta-bottom-section h2 {
            color: #FFF;
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-bottom-section p {
            color: #BBB;
            font-size: 1rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-bottom-section .btn {
            font-size: 1rem;
            padding: 14px 32px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #141414;
            color: #888;
            padding: 40px 0 28px;
            font-size: 0.8rem;
            line-height: 1.6;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        .footer-col h4 {
            color: #CCC;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            color: #888;
            display: block;
            padding: 3px 0;
            font-size: 0.8rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
        }
        .footer-bottom a {
            color: #888;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }
        .footer-bottom .sep {
            color: #444;
            margin: 0 8px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* Animation for cards on scroll */
        @media (prefers-reduced-motion: no-preference) {
            .animate-on-scroll {
                opacity: 0;
                transform: translateY(20px);
                transition: opacity 0.6s ease, transform 0.6s ease;
            }
            .animate-on-scroll.visible {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #F05A28;
            --color-primary-hover: #D04A1E;
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-text: #1A1A1A;
            --color-text-secondary: #4A4A4A;
            --color-text-light: #6B6B6B;
            --color-bg: #FFFFFF;
            --color-bg-light: #F7F7F7;
            --color-bg-lighter: #FAFAFA;
            --color-border: #EAEAEA;
            --color-border-light: #F0F0F0;
            --color-white: #FFFFFF;
            --color-success: #2E7D32;
            --color-warning: #F9A825;
            --color-chip-warmup: #6B6B6B;
            --color-chip-live: #F05A28;
            --color-chip-replay: #4A4A4A;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-pill: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-h1: 2.5rem;
            --font-h2: 1.75rem;
            --font-h3: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --line-height-body: 1.75;
            --line-height-heading: 1.25;
            --max-width: 1200px;
            --nav-height: 64px;
            --section-gap: 88px;
            --section-gap-mobile: 56px;
        }

        @media screen and (max-width: 1024px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.5rem;
                --font-h3: 1.15rem;
                --section-gap: 72px;
            }
        }

        @media screen and (max-width: 640px) {
            :root {
                --font-h1: 1.75rem;
                --font-h2: 1.35rem;
                --font-h3: 1.1rem;
                --section-gap: 56px;
                --nav-height: 56px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'MiSans', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: var(--font-body);
            line-height: var(--line-height-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-hover);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media screen and (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            body {
                font-size: 0.95rem;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .nav-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-logo .logo-accent {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            color: #B0B0B0;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            letter-spacing: 0.02em;
            margin-left: 8px;
            cursor: default;
            user-select: none;
        }
        .nav-chip.live {
            background: rgba(240, 90, 40, 0.15);
            color: var(--color-chip-live);
            border: 1px solid rgba(240, 90, 40, 0.3);
        }
        .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-chip-live);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.5);
            }
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            transition: color var(--transition-fast);
        }
        .nav-toggle:hover {
            color: var(--color-primary);
        }
        @media screen and (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                font-size: 0.8rem;
                padding: 6px 10px;
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 5px 10px;
                margin-left: 4px;
            }
        }
        @media screen and (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 26, 26, 0.98);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-chip {
                margin-left: 0;
                margin-top: 8px;
                align-self: flex-start;
                font-size: 0.8rem;
                padding: 8px 16px;
            }
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            position: relative;
            background: var(--color-dark);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0 64px;
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.92) 0%, rgba(26, 26, 26, 0.7) 60%, rgba(240, 90, 40, 0.15) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero-content {
            max-width: 700px;
        }
        .category-hero-content .cat-badge {
            display: inline-block;
            background: var(--color-primary);
            color: var(--color-white);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .category-hero-content h1 {
            font-size: var(--font-h1);
            font-weight: 700;
            color: var(--color-white);
            line-height: var(--line-height-heading);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .category-hero-content .hero-desc {
            font-size: 1.1rem;
            color: #C0C0C0;
            line-height: 1.6;
            max-width: 560px;
            margin: 0;
        }
        @media screen and (max-width: 640px) {
            .category-hero {
                padding: 56px 0 40px;
                min-height: 240px;
            }
            .category-hero-content h1 {
                font-size: 1.6rem;
            }
            .category-hero-content .hero-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== MAIN LAYOUT ========== */
        .main-layout {
            padding: var(--section-gap) 0;
        }
        .main-layout .container {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 48px;
            align-items: start;
        }
        @media screen and (max-width: 1024px) {
            .main-layout .container {
                grid-template-columns: 1fr 280px;
                gap: 32px;
            }
        }
        @media screen and (max-width: 768px) {
            .main-layout .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        /* ========== CONTENT AREA ========== */
        .content-area {}
        .section-title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 8px;
            line-height: var(--line-height-heading);
            letter-spacing: 0.01em;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-light);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        /* ========== ANALYSIS CARDS GRID ========== */
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }
        @media screen and (max-width: 640px) {
            .analysis-grid {
                grid-template-columns: 1fr;
            }
        }
        .analysis-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .analysis-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px) scale(1.02);
            border-color: #D0D0D0;
        }
        .analysis-card .card-img {
            height: 200px;
            overflow: hidden;
            background: #F0F0F0;
            position: relative;
        }
        .analysis-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .analysis-card:hover .card-img img {
            transform: scale(1.05);
        }
        .analysis-card .card-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .analysis-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(240, 90, 40, 0.08);
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            width: fit-content;
            letter-spacing: 0.03em;
        }
        .analysis-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-dark);
            line-height: 1.4;
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .analysis-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }
        .analysis-card .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .analysis-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .read-more-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            position: relative;
            padding-bottom: 2px;
            border-bottom: 1px solid transparent;
            width: fit-content;
            margin-top: auto;
        }
        .read-more-link::after {
            content: '→';
            transition: transform var(--transition-fast);
        }
        .read-more-link:hover {
            color: var(--color-primary-hover);
            border-bottom-color: var(--color-primary-hover);
        }
        .read-more-link:hover::after {
            transform: translateX(4px);
        }

        /* ========== FEATURED ANALYSIS LIST ========== */
        .featured-list {
            list-style: none;
            padding: 0;
            margin: 0 0 40px;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .featured-list li {
            border-bottom: 1px solid var(--color-border-light);
            padding: 18px 0;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: background var(--transition-fast);
        }
        .featured-list li:hover {
            background: var(--color-bg-lighter);
            margin: 0 -12px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: var(--radius-md);
        }
        .featured-list .list-date {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.85rem;
            line-height: 1.3;
            padding-top: 2px;
        }
        .featured-list .list-date .day {
            font-size: 1.5rem;
            display: block;
            line-height: 1;
        }
        .featured-list .list-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .featured-list .list-content p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        @media screen and (max-width: 640px) {
            .featured-list li {
                flex-direction: column;
                gap: 6px;
            }
            .featured-list .list-date {
                width: auto;
                text-align: left;
                display: flex;
                gap: 6px;
                align-items: baseline;
            }
            .featured-list .list-date .day {
                font-size: 1.1rem;
                display: inline;
            }
        }

        /* ========== SIDEBAR ========== */
        .sidebar {}
        .sidebar-widget {
            background: var(--color-bg-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 24px;
            border: 1px solid var(--color-border-light);
        }
        .sidebar-widget h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-primary);
            letter-spacing: 0.02em;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            display: inline-block;
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            background: var(--color-white);
            border: 1px solid var(--color-border);
            padding: 6px 12px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }
        .tag-cloud a:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
            background: rgba(240, 90, 40, 0.04);
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list a {
            font-size: 0.9rem;
            color: var(--color-text);
            line-height: 1.4;
            transition: color var(--transition-fast);
            display: block;
        }
        .sidebar-list a:hover {
            color: var(--color-primary);
        }
        .sidebar-list .side-date {
            font-size: 0.75rem;
            color: var(--color-text-light);
            display: block;
            margin-top: 3px;
        }
        .rss-subscribe-box {
            background: var(--color-dark);
            color: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            border: none;
        }
        .rss-subscribe-box h4 {
            color: var(--color-white);
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }
        .rss-subscribe-box p {
            font-size: 0.85rem;
            color: #B0B0B0;
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .rss-subscribe-box .btn-rss {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: var(--color-white);
            padding: 10px 20px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .rss-subscribe-box .btn-rss:hover {
            background: var(--color-primary-hover);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== PROCESS / STEPS ========== */
        .process-section {
            background: var(--color-bg-light);
            padding: var(--section-gap) 0;
            margin-top: 0;
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 32px;
        }
        @media screen and (max-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media screen and (max-width: 640px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }
        .process-step {
            text-align: center;
            padding: 28px 20px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            position: relative;
        }
        .process-step:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: #D0D0D0;
        }
        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 14px;
            letter-spacing: 0;
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 6px;
            line-height: 1.3;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--section-gap) 0;
        }
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--color-white);
            transition: all var(--transition-fast);
        }
        .faq-item.active {
            border-color: var(--color-primary);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-bg-light);
            transition: all var(--transition-base);
            font-size: 0.85rem;
            color: var(--color-text-light);
        }
        .faq-item.active .faq-question .faq-icon {
            background: var(--color-primary);
            color: var(--color-white);
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-dark);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(240, 90, 40, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #B0B0B0;
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            color: var(--color-white);
            transition: all var(--transition-base);
            text-decoration: none;
            letter-spacing: 0.02em;
        }
        .btn-cta:hover {
            background: var(--color-primary-hover);
            color: var(--color-white);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(240, 90, 40, 0.3);
        }

        /* ========== PAGINATION ========== */
        .pagination-wrapper {
            padding: 32px 0;
            display: flex;
            justify-content: center;
        }
        .pagination {
            display: flex;
            gap: 6px;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .pagination a:hover {
            background: var(--color-bg-light);
            border-color: var(--color-border);
            color: var(--color-primary);
        }
        .pagination .current {
            font-weight: 700;
            color: var(--color-primary);
            background: rgba(240, 90, 40, 0.06);
            border-color: rgba(240, 90, 40, 0.2);
        }
        .pagination .prev-next {
            font-weight: 600;
            width: auto;
            padding: 0 16px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: #B0B0B0;
            padding: 48px 0 28px;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media screen and (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media screen and (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-col h4 {
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col p {
            color: #888;
            font-size: 0.8rem;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col a {
            display: block;
            color: #888;
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            align-items: center;
            justify-content: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            color: #777;
        }
        .footer-bottom .sep {
            color: #555;
            margin: 0 4px;
        }
        .footer-bottom a {
            color: #888;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }

/* roulang page: category2 */
:root {
            --color-primary: #F05A28;
            --color-primary-hover: #D04A1E;
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-text: #1A1A1A;
            --color-text-secondary: #4A4A4A;
            --color-text-light: #6B6B6B;
            --color-bg: #FFFFFF;
            --color-bg-light: #F7F7F7;
            --color-bg-lighter: #FAFAFA;
            --color-border: #EAEAEA;
            --color-border-light: #F0F0F0;
            --color-white: #FFFFFF;
            --color-success: #2E7D32;
            --color-warning: #F9A825;
            --color-chip-warmup: #6B6B6B;
            --color-chip-live: #F05A28;
            --color-chip-replay: #4A4A4A;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-pill: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-h1: 2.5rem;
            --font-h2: 1.75rem;
            --font-h3: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --line-height-body: 1.75;
            --line-height-heading: 1.25;
            --max-width: 1200px;
            --nav-height: 64px;
            --section-gap: 88px;
            --section-gap-mobile: 56px;
        }

        @media (max-width: 1024px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.5rem;
                --font-h3: 1.15rem;
                --section-gap: 72px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --font-h1: 1.75rem;
                --font-h2: 1.35rem;
                --font-h3: 1.1rem;
                --section-gap: 56px;
                --nav-height: 56px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'MiSans', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: var(--font-body);
            line-height: var(--line-height-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
            position: relative;
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            body {
                font-size: 0.95rem;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-logo .logo-accent {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: #B0B0B0;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.02em;
            margin-left: 4px;
            transition: all var(--transition-fast);
        }

        .nav-chip.live {
            background: rgba(240, 90, 40, 0.15);
            color: var(--color-chip-live);
            border: 1px solid rgba(240, 90, 40, 0.3);
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-chip-live);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .hamburger-btn:hover {
            color: var(--color-primary);
        }

        @media (max-width: 1024px) {
            .nav-links a {
                font-size: 0.8rem;
                padding: 6px 10px;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-chip {
                font-size: 0.72rem;
                padding: 5px 10px;
            }
        }

        @media (max-width: 768px) {
            .hamburger-btn {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 26, 26, 0.98);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.9rem;
                border-radius: var(--radius-md);
            }
            .nav-chip {
                margin-left: 0;
                margin-top: 4px;
                align-self: flex-start;
            }
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            background: linear-gradient(160deg, #1A1A1A 0%, #252525 40%, #1E1E1E 100%);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: #888;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .category-hero .hero-breadcrumb a {
            color: #999;
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }

        .category-hero .hero-breadcrumb a:hover {
            color: var(--color-primary);
        }

        .category-hero .hero-breadcrumb .sep {
            color: #555;
        }

        .category-hero .hero-breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        .category-hero h1 {
            font-size: var(--font-h1);
            font-weight: 700;
            color: var(--color-white);
            line-height: var(--line-height-heading);
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .category-hero .hero-subtitle {
            font-size: 1.05rem;
            color: #999;
            max-width: 580px;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== FEATURED REPORT WALL (优惠券墙转化) ========== */
        .featured-reports {
            padding: 48px 0;
            background: var(--color-bg-lighter);
        }

        .featured-reports .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            margin-bottom: 12px;
            border-bottom: 2px solid var(--color-primary);
            padding-bottom: 4px;
        }

        .featured-reports .section-heading {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 28px;
            line-height: var(--line-height-heading);
        }

        .reports-wall {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
        }

        .report-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .report-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px) scale(1.01);
            border-color: #D0D0D0;
        }

        .report-card.featured {
            grid-row: 1 / 3;
            border: 2px solid var(--color-primary);
            border-radius: var(--radius-xl);
        }

        .report-card.featured::before {
            content: '精选推荐';
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
        }

        .report-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            position: relative;
        }

        .report-card.featured .card-img {
            height: 280px;
        }

        .report-card .card-img .img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(26, 26, 26, 0.1) 0%, rgba(26, 26, 26, 0.5) 100%);
        }

        .report-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .report-card.featured .card-body {
            padding: 24px;
        }

        .report-card .card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(240, 90, 40, 0.08);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            width: fit-content;
            letter-spacing: 0.03em;
        }

        .report-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .report-card.featured .card-title {
            font-size: 1.35rem;
        }

        .report-card .card-desc {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .report-card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            width: fit-content;
        }

        .report-card .card-link .arrow {
            transition: transform var(--transition-fast);
        }

        .report-card .card-link:hover .arrow {
            transform: translateX(4px);
        }

        @media (max-width: 1024px) {
            .reports-wall {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }
            .report-card.featured {
                grid-row: auto;
                grid-column: 1 / -1;
            }
            .report-card.featured .card-img {
                height: 200px;
            }
        }

        @media (max-width: 640px) {
            .reports-wall {
                grid-template-columns: 1fr;
            }
            .report-card.featured {
                grid-column: auto;
            }
            .report-card.featured .card-img {
                height: 180px;
            }
            .report-card .card-img {
                height: 160px;
            }
        }

        /* ========== VALUE PROPOSITION ========== */
        .value-proposition {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }

        .value-proposition .vp-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 48px;
            align-items: center;
        }

        .value-proposition .vp-text h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            line-height: var(--line-height-heading);
        }

        .value-proposition .vp-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .value-proposition .vp-stats {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .value-proposition .vp-stat-item {
            text-align: left;
            padding: 24px;
            background: var(--color-bg-lighter);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .value-proposition .vp-stat-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .value-proposition .vp-stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .value-proposition .vp-stat-label {
            font-size: 0.85rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .value-proposition .vp-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .value-proposition .vp-stats {
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }
            .value-proposition .vp-stat-item {
                flex: 1;
                min-width: 120px;
                text-align: center;
                padding: 20px 16px;
            }
            .value-proposition .vp-stat-number {
                font-size: 1.8rem;
            }
        }

        /* ========== MAIN CONTENT WITH SIDEBAR ========== */
        .main-content-area {
            padding: var(--section-gap) 0;
            background: var(--color-bg-light);
        }

        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
        }

        .content-primary .articles-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-smooth);
            display: flex;
            gap: 20px;
            cursor: pointer;
        }

        .article-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-1px);
            border-color: #D0D0D0;
        }

        .article-card .article-img {
            width: 180px;
            height: 130px;
            border-radius: var(--radius-md);
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .article-card .article-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card .article-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }

        .article-card .article-meta .meta-tag {
            background: rgba(240, 90, 40, 0.07);
            color: var(--color-primary);
            padding: 3px 10px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.7rem;
            letter-spacing: 0.03em;
        }

        .article-card .article-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin: 8px 0;
        }

        .article-card .article-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .article-card .read-more {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            width: fit-content;
            transition: all var(--transition-fast);
        }

        .article-card .read-more .arrow {
            transition: transform var(--transition-fast);
        }

        .article-card .read-more:hover .arrow {
            transform: translateX(3px);
        }

        @media (max-width: 768px) {
            .article-card {
                flex-direction: column;
                gap: 14px;
            }
            .article-card .article-img {
                width: 100%;
                height: 180px;
            }
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .sidebar-widget {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px;
        }

        .sidebar-widget h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border);
            letter-spacing: 0.02em;
        }

        .sidebar-widget .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-widget .tag-cloud .tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-bg-light);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .sidebar-widget .tag-cloud .tag:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
            background: rgba(240, 90, 40, 0.04);
        }

        .sidebar-widget .recent-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sidebar-widget .recent-list .recent-item {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            cursor: pointer;
            transition: all var(--transition-fast);
            padding: 8px;
            border-radius: var(--radius-md);
        }

        .sidebar-widget .recent-list .recent-item:hover {
            background: var(--color-bg-lighter);
        }

        .sidebar-widget .recent-list .recent-item .recent-thumb {
            width: 56px;
            height: 42px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
        }

        .sidebar-widget .recent-list .recent-item .recent-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-widget .recent-list .recent-item .recent-title {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .sidebar-widget .recent-list .recent-item .recent-date {
            font-size: 0.7rem;
            color: var(--color-text-light);
            margin-top: 4px;
        }

        .sidebar-widget .rss-box {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            background: var(--color-bg-lighter);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .sidebar-widget .rss-box:hover {
            background: rgba(240, 90, 40, 0.04);
        }

        .sidebar-widget .rss-box .rss-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .sidebar-widget .rss-box .rss-text {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text);
        }

        @media (max-width: 1024px) {
            .content-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 640px) {
            .sidebar {
                grid-template-columns: 1fr;
            }
        }

        /* ========== PAGINATION ========== */
        .pagination-section {
            padding: 0 0 48px;
            background: var(--color-bg-light);
            display: flex;
            justify-content: center;
        }

        .pagination {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .pagination .page-item {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            background: transparent;
        }

        .pagination .page-item:hover {
            border-color: var(--color-border);
            background: var(--color-white);
        }

        .pagination .page-item.active {
            font-weight: 700;
            color: var(--color-primary);
            background: transparent;
            border: none;
        }

        .pagination .page-item.arrow {
            font-size: 1rem;
            color: var(--color-text-light);
        }

        .pagination .page-item.arrow:hover {
            color: var(--color-primary);
        }

        .pagination .page-dots {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            font-size: 0.9rem;
        }

        /* ========== SCENARIO SECTION ========== */
        .scenario-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }

        .scenario-section .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            margin-bottom: 8px;
            border-bottom: 2px solid var(--color-primary);
            padding-bottom: 4px;
        }

        .scenario-section h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 32px;
            line-height: var(--line-height-heading);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .scenario-card .scenario-img {
            height: 200px;
            background-size: cover;
            background-position: center;
        }

        .scenario-card .scenario-body {
            padding: 20px;
        }

        .scenario-card .scenario-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .scenario-card .scenario-body p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        @media (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg-lighter);
        }

        .faq-section .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            margin-bottom: 8px;
            border-bottom: 2px solid var(--color-primary);
            padding-bottom: 4px;
        }

        .faq-section h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 32px;
            line-height: var(--line-height-heading);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item .faq-question {
            width: 100%;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .faq-item .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-base);
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        .faq-item.open .faq-question .faq-icon {
            border-color: var(--color-primary);
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        .faq-item .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        .faq-item.open {
            border-color: #D0D0D0;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 64px 0;
            background: var(--color-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            line-height: var(--line-height-heading);
        }

        .cta-section p {
            font-size: 1rem;
            color: #999;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-section .cta-btn {
            display: inline-block;
            padding: 14px 36px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-md);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            border: 2px solid var(--color-primary);
        }

        .cta-section .cta-btn:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 90, 40, 0.3);
            color: #fff;
        }

        .cta-section .cta-btn.ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
            margin-left: 12px;
        }

        .cta-section .cta-btn.ghost:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            box-shadow: none;
            transform: translateY(-2px);
        }

        @media (max-width: 640px) {
            .cta-section .cta-btn {
                display: block;
                width: 100%;
                margin-bottom: 12px;
            }
            .cta-section .cta-btn.ghost {
                margin-left: 0;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #141414;
            padding: 48px 0 0;
            color: #B0B0B0;
            font-size: 0.85rem;
            line-height: 1.8;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .site-footer .footer-col a {
            color: #888;
            display: block;
            font-size: 0.8rem;
            padding: 3px 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .site-footer .footer-col a:hover {
            color: var(--color-primary);
        }

        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
            font-size: 0.75rem;
            color: #777;
            gap: 10px;
        }

        .site-footer .footer-bottom .sep {
            color: #444;
            margin: 0 6px;
        }

        .site-footer .footer-bottom a {
            color: #888;
            font-size: 0.75rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-primary);
        }

        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }

        .mt-0 {
            margin-top: 0;
        }

        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: category1 */
:root {
            --color-primary: #F05A28;
            --color-primary-hover: #D04A1E;
            --color-primary-light: rgba(240, 90, 40, 0.08);
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-text: #1A1A1A;
            --color-text-secondary: #4A4A4A;
            --color-text-light: #6B6B6B;
            --color-bg: #FFFFFF;
            --color-bg-light: #F7F7F7;
            --color-bg-lighter: #FAFAFA;
            --color-border: #EAEAEA;
            --color-border-light: #F0F0F0;
            --color-white: #FFFFFF;
            --color-success: #2E7D32;
            --color-warning: #F9A825;
            --color-chip-warmup: #6B6B6B;
            --color-chip-live: #F05A28;
            --color-chip-replay: #4A4A4A;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-pill: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-h1: 2.5rem;
            --font-h2: 1.75rem;
            --font-h3: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --line-height-body: 1.75;
            --line-height-heading: 1.25;
            --max-width: 1200px;
            --nav-height: 64px;
            --section-gap: 88px;
            --section-gap-mobile: 56px;
        }

        @media (max-width: 1024px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.5rem;
                --font-h3: 1.15rem;
                --section-gap: 72px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --font-h1: 1.75rem;
                --font-h2: 1.35rem;
                --font-h3: 1.1rem;
                --section-gap: 56px;
                --nav-height: 56px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'MiSans', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: var(--font-body);
            line-height: var(--line-height-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
            position: relative;
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            body {
                font-size: 0.95rem;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-logo .logo-accent {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: #B0B0B0;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.02em;
            margin-left: 8px;
            border: 1px solid transparent;
        }

        .nav-chip.live {
            background: rgba(240, 90, 40, 0.15);
            color: var(--color-chip-live);
            border-color: rgba(240, 90, 40, 0.3);
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-chip-live);
            animation: chipPulse 1.8s ease-in-out infinite;
        }

        @keyframes chipPulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.5);
            }
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            line-height: 1;
            flex-shrink: 0;
        }

        #navToggleCheck {
            display: none;
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 26, 26, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 16px;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-smooth), padding var(--transition-smooth);
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                z-index: 999;
            }
            #navToggleCheck:checked~.nav-links {
                max-height: 600px;
                padding: 16px;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
                width: 100%;
            }
            .nav-chip {
                margin-left: 0;
                margin-top: 8px;
                align-self: flex-start;
            }
        }

        /* ========== CATEGORY HERO (窄Hero) ========== */
        .category-hero {
            position: relative;
            background: var(--color-dark);
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.6) 0%, rgba(26, 26, 26, 0.9) 100%);
            z-index: 1;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding-top: 40px;
            padding-bottom: 40px;
        }

        .category-hero .cat-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: rgba(240, 90, 40, 0.2);
            color: var(--color-primary);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            border: 1px solid rgba(240, 90, 40, 0.25);
        }

        .category-hero h1 {
            font-size: var(--font-h1);
            font-weight: 700;
            color: var(--color-white);
            line-height: var(--line-height-heading);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .category-hero .hero-subtitle {
            font-size: 1.1rem;
            color: #B0B0B0;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 640px) {
            .category-hero {
                min-height: 240px;
            }
            .category-hero .hero-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        @media (max-width: 640px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 12px;
            line-height: var(--line-height-heading);
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px) scale(1.02);
            border-color: transparent;
        }

        .card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.3rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .card h3 {
            font-size: var(--font-h3);
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 10px;
            line-height: var(--line-height-heading);
        }

        .card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            flex-grow: 1;
            margin-bottom: 0;
        }

        .card.card-image-top {
            padding: 0;
            overflow: hidden;
        }

        .card.card-image-top .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .card.card-image-top .card-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .card .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .card .card-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: var(--color-bg-light);
            color: var(--color-primary);
            font-size: 0.75rem;
            font-weight: 500;
            white-space: nowrap;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: 2px solid transparent;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(240, 90, 40, 0.25);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: var(--color-white);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: transparent;
            color: var(--color-text);
            border-color: transparent;
            padding: 10px 18px;
        }

        .btn-ghost:hover {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1.1rem;
            border-radius: var(--radius-lg);
        }

        @media (max-width: 640px) {
            .btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 1rem;
            }
        }

        /* ========== TOPIC LIST ========== */
        .topic-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .topic-list li {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
            cursor: pointer;
            flex-wrap: wrap;
        }

        .topic-list li:hover {
            background: var(--color-bg-lighter);
        }

        .topic-list .topic-rank {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            min-width: 36px;
            text-align: center;
            flex-shrink: 0;
        }

        .topic-list .topic-rank.rank-top {
            color: #F05A28;
            font-size: 1.5rem;
        }

        .topic-list .topic-info {
            flex: 1;
            min-width: 160px;
        }

        .topic-list .topic-title {
            font-weight: 600;
            color: var(--color-dark);
            font-size: 1rem;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .topic-list .topic-stats {
            font-size: 0.8rem;
            color: var(--color-text-light);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .topic-list .topic-stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .topic-list .topic-arrow {
            color: var(--color-text-light);
            font-size: 0.9rem;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
        }

        .topic-list li:hover .topic-arrow {
            transform: translateX(4px);
            color: var(--color-primary);
        }

        /* ========== STATS BAR ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        .stat-item {
            padding: 24px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* ========== FLOW STEPS ========== */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        @media (max-width: 1024px) {
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .flow-steps {
                grid-template-columns: 1fr;
            }
        }

        .flow-step {
            text-align: center;
            padding: 28px 20px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-base);
        }

        .flow-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .flow-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }

        .flow-step h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 8px;
        }

        .flow-step p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            list-style: none;
            padding: 0;
        }

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
            background: var(--color-white);
        }

        .faq-item summary {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-dark);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--color-text-light);
            transition: all var(--transition-base);
            flex-shrink: 0;
            line-height: 1;
            width: 24px;
            text-align: center;
        }

        .faq-item[open] summary {
            color: var(--color-primary);
            border-bottom: 1px solid var(--color-border-light);
        }

        .faq-item[open] summary::after {
            content: '−';
            color: var(--color-primary);
        }

        .faq-item .faq-answer {
            padding: 20px 24px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .cta-section h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            line-height: var(--line-height-heading);
        }

        .cta-section p {
            font-size: 1.05rem;
            color: #B0B0B0;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        .cta-section .btn {
            font-size: 1rem;
            padding: 14px 32px;
        }

        /* ========== TWO COLUMN LAYOUT ========== */
        .two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .two-col {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .two-col .col-image img {
            border-radius: var(--radius-xl);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .two-col .col-text h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 16px;
            line-height: var(--line-height-heading);
        }

        .two-col .col-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        /* ========== FEATURE LIST ========== */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-list .feat-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            font-size: 0.85rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .feature-list .feat-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-dark);
            margin-bottom: 2px;
        }

        .feature-list .feat-content p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: #B0B0B0;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .footer-col h4 {
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: #888;
            font-size: 0.85rem;
            padding: 6px 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-col p {
            color: #888;
            font-size: 0.8rem;
            line-height: 1.6;
            margin: 0;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            color: #777;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: #555;
        }

        .footer-bottom a {
            color: #888;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom .sep {
                margin: 0 4px;
            }
        }

        /* ========== UTILITY ========== */
        .bg-light {
            background: var(--color-bg-light);
        }

        .bg-lighter {
            background: var(--color-bg-lighter);
        }

        .bg-dark {
            background: var(--color-dark);
            color: var(--color-white);
        }

        .text-center {
            text-align: center;
        }

        .mb-0 {
            margin-bottom: 0;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }

        /* ========== HIGHLIGHT BOX ========== */
        .highlight-box {
            background: var(--color-white);
            border-left: 4px solid var(--color-primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }

        .highlight-box p {
            margin: 0;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.5s ease forwards;
        }

        /* ========== LINK UNDERLINE EXPAND ========== */
        .link-underline {
            position: relative;
            display: inline-block;
        }

        .link-underline::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: width var(--transition-base);
        }

        .link-underline:hover::after {
            width: 100%;
        }

        /* ========== COMMUNITY BADGE ========== */
        .community-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--color-primary-light);
            color: var(--color-primary);
            white-space: nowrap;
        }

        .community-badge.hot {
            background: rgba(240, 90, 40, 0.12);
            color: #F05A28;
        }

        .community-badge.new {
            background: rgba(46, 125, 50, 0.1);
            color: #2E7D32;
        }

        /* ========== RESPONSIVE IMAGE ========== */
        .resp-img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-lg);
            object-fit: cover;
            display: block;
        }

/* roulang page: category5 */
:root {
            --color-primary: #F05A28;
            --color-primary-hover: #D04A1E;
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-text: #1A1A1A;
            --color-text-secondary: #4A4A4A;
            --color-text-light: #6B6B6B;
            --color-bg: #FFFFFF;
            --color-bg-light: #F7F7F7;
            --color-bg-lighter: #FAFAFA;
            --color-border: #EAEAEA;
            --color-border-light: #F0F0F0;
            --color-white: #FFFFFF;
            --color-success: #2E7D32;
            --color-warning: #F9A825;
            --color-chip-warmup: #6B6B6B;
            --color-chip-live: #F05A28;
            --color-chip-replay: #4A4A4A;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-pill: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-h1: 2.5rem;
            --font-h2: 1.75rem;
            --font-h3: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --line-height-body: 1.75;
            --line-height-heading: 1.25;
            --max-width: 1200px;
            --nav-height: 64px;
            --section-gap: 88px;
            --section-gap-mobile: 56px;
        }

        @media (max-width: 1024px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.5rem;
                --font-h3: 1.15rem;
                --section-gap: 72px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --font-h1: 1.75rem;
                --font-h2: 1.35rem;
                --font-h3: 1.1rem;
                --section-gap: 56px;
                --nav-height: 56px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: 'PingFang SC', 'MiSans', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: var(--font-body);
            line-height: var(--line-height-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
            position: relative;
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            body {
                font-size: 0.95rem;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-logo .logo-accent {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: #B0B0B0;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.02em;
            margin-left: 10px;
            cursor: default;
            transition: all var(--transition-fast);
        }

        .nav-chip.live {
            background: rgba(240, 90, 40, 0.15);
            color: var(--color-chip-live);
            border: 1px solid rgba(240, 90, 40, 0.3);
        }

        .chip-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-chip-live);
            animation: pulse-dot 1.8s ease-in-out infinite;
            display: inline-block;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        @media (max-width: 840px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 26, 26, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 4px;
                display: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }
            .nav-chip {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
                padding: 10px 16px;
            }
            .nav-toggle {
                display: block;
            }
        }

        /* ========== PAGE HERO (NARROW) ========== */
        .page-hero {
            background: linear-gradient(160deg, #1A1A1A 0%, #2A2A2A 40%, #1E1E1E 100%);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--color-border);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 1;
        }

        .page-hero .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: #999;
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .page-hero .hero-breadcrumb a {
            color: #B0B0B0;
            transition: color var(--transition-fast);
        }

        .page-hero .hero-breadcrumb a:hover {
            color: var(--color-primary);
        }

        .page-hero .hero-breadcrumb .sep {
            color: #555;
        }

        .page-hero .hero-breadcrumb .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        .page-hero h1 {
            font-size: var(--font-h1);
            font-weight: 700;
            color: var(--color-white);
            line-height: var(--line-height-heading);
            margin: 0 0 12px;
            letter-spacing: 0.03em;
        }

        .page-hero .hero-subtitle {
            font-size: 1.1rem;
            color: #B0B0B0;
            max-width: 600px;
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 640px) {
            .page-hero {
                padding: 36px 0 32px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== MAIN CONTENT LAYOUT ========== */
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 40px;
            padding: 56px 0;
        }

        @media (max-width: 960px) {
            .content-layout {
                grid-template-columns: 1fr;
                gap: 48px;
            }
        }

        /* ========== CARDS GRID ========== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        @media (max-width: 640px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .culture-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .culture-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px) scale(1.02);
            border-color: #D5D5D5;
        }

        .culture-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: #F0F0F0;
            display: block;
        }

        .culture-card .card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .culture-card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(240, 90, 40, 0.08);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            align-self: flex-start;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .culture-card .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
            margin: 0 0 8px;
            transition: color var(--transition-fast);
        }

        .culture-card:hover .card-title {
            color: var(--color-primary);
        }

        .culture-card .card-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
        }

        .culture-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
            flex: 1;
        }

        .culture-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-top: 14px;
            text-decoration: none;
            transition: all var(--transition-fast);
            position: relative;
            align-self: flex-start;
        }

        .culture-card .card-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: width var(--transition-base);
        }

        .culture-card .card-link:hover::after {
            width: 100%;
        }

        .culture-card .card-link i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }

        .culture-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== PAGINATION ========== */
        .pagination-row {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
            margin-top: 40px;
            flex-wrap: wrap;
        }

        .pagination-row .page-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            cursor: pointer;
        }

        .pagination-row .page-item:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
            border-color: var(--color-border);
        }

        .pagination-row .page-item.active {
            font-weight: 700;
            color: var(--color-primary);
            cursor: default;
            background: transparent;
            border: none;
        }

        .pagination-row .page-item.arrow {
            font-size: 1rem;
            color: var(--color-text-light);
        }

        .pagination-row .page-item.arrow:hover {
            color: var(--color-primary);
            background: var(--color-bg-light);
            border-color: var(--color-border);
        }

        .pagination-row .page-item.disabled {
            color: #CCC;
            pointer-events: none;
            cursor: default;
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .sidebar-widget {
            background: var(--color-bg-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
        }

        .sidebar-widget h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-primary);
            display: inline-block;
            letter-spacing: 0.02em;
        }

        .sidebar-widget .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-widget .tag-item {
            display: inline-block;
            padding: 6px 14px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            text-decoration: none;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .sidebar-widget .tag-item:hover {
            color: var(--color-primary);
            border-color: var(--color-primary);
            background: rgba(240, 90, 40, 0.04);
        }

        .sidebar-widget .recent-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .sidebar-widget .recent-list li {
            padding: 0;
            border-bottom: 1px solid var(--color-border-light);
            padding-bottom: 12px;
        }

        .sidebar-widget .recent-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-widget .recent-list a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text);
            text-decoration: none;
            line-height: 1.5;
            transition: color var(--transition-fast);
            display: block;
        }

        .sidebar-widget .recent-list a:hover {
            color: var(--color-primary);
        }

        .sidebar-widget .recent-list .recent-date {
            font-size: 0.75rem;
            color: var(--color-text-light);
            margin-top: 4px;
        }

        .sidebar-widget .rss-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-base);
        }

        .sidebar-widget .rss-link:hover {
            background: var(--color-primary-hover);
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* ========== SECTION: CULTURE INTRO ========== */
        .section-intro {
            padding: 0 0 48px;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        .intro-grid .intro-text h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 16px;
            line-height: var(--line-height-heading);
        }

        .intro-grid .intro-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0 0 12px;
        }

        .intro-grid .intro-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: #F0F0F0;
            aspect-ratio: 16 / 10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .intro-grid .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            padding: 0 0 48px;
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
        }

        .stat-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: #D5D5D5;
            transform: translateY(-2px);
        }

        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 10px;
            display: block;
        }

        .stat-card .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        /* ========== TIMELINE SECTION ========== */
        .section-timeline {
            padding: 56px 0;
            background: var(--color-bg-light);
            border-radius: var(--radius-xl);
            margin-bottom: 48px;
        }

        .section-timeline .container {
            position: relative;
        }

        .section-timeline h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            margin: 0 0 36px;
            line-height: var(--line-height-heading);
        }

        .timeline-list {
            list-style: none;
            margin: 0;
            padding: 0;
            position: relative;
            max-width: 700px;
            margin: 0 auto;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
        }

        .timeline-list li {
            position: relative;
            padding-left: 52px;
            margin-bottom: 32px;
        }

        .timeline-list li:last-child {
            margin-bottom: 0;
        }

        .timeline-list li::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 3px solid var(--color-bg-light);
            z-index: 1;
            box-shadow: 0 0 0 0 rgba(240, 90, 40, 0.4);
            animation: timeline-pulse 2.5s ease-in-out infinite;
        }

        @keyframes timeline-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(240, 90, 40, 0.4);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(240, 90, 40, 0);
            }
        }

        .timeline-list .tl-year {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.05em;
            margin-bottom: 4px;
            display: block;
        }

        .timeline-list .tl-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 6px;
        }

        .timeline-list .tl-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 640px) {
            .timeline-list li {
                padding-left: 40px;
            }
            .timeline-list::before {
                left: 14px;
            }
            .timeline-list li::before {
                left: 8px;
                width: 12px;
                height: 12px;
            }
        }

        /* ========== FEATURED SECTION ========== */
        .section-featured {
            padding: 0 0 48px;
        }

        .section-featured h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 28px;
            line-height: var(--line-height-heading);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 768px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
        }

        .featured-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .featured-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: #D5D5D5;
        }

        .featured-item .feat-icon {
            font-size: 2.5rem;
            color: var(--color-primary);
            margin-bottom: 14px;
            display: block;
        }

        .featured-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .featured-item p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ SECTION ========== */
        .section-faq {
            padding: 56px 0;
            background: var(--color-bg-light);
            border-radius: var(--radius-xl);
            margin-bottom: 48px;
        }

        .section-faq h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            text-align: center;
            margin: 0 0 36px;
            line-height: var(--line-height-heading);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
        }

        .faq-item:hover {
            border-color: #D5D5D5;
        }

        .faq-item .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            text-align: left;
            border: none;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
            gap: 12px;
        }

        .faq-item .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--color-text-light);
            transition: all var(--transition-base);
        }

        .faq-item.open .faq-icon {
            background: var(--color-primary);
            color: var(--color-white);
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-item .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .section-cta {
            padding: 56px 0;
            background: var(--color-dark);
            border-radius: var(--radius-xl);
            text-align: center;
            margin-bottom: 48px;
            position: relative;
            overflow: hidden;
        }

        .section-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .section-cta .container {
            position: relative;
            z-index: 1;
        }

        .section-cta h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .section-cta p {
            font-size: 1rem;
            color: #B0B0B0;
            margin: 0 0 24px;
            line-height: 1.6;
        }

        .section-cta .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

        .section-cta .cta-btn:hover {
            background: var(--color-primary-hover);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 90, 40, 0.3);
        }

        .section-cta .cta-btn i {
            transition: transform var(--transition-fast);
        }

        .section-cta .cta-btn:hover i {
            transform: translateX(4px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: #B0B0B0;
            padding: 48px 0 24px;
            margin-top: 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: #999;
            font-size: 0.9rem;
            text-decoration: none;
            padding: 4px 0;
            transition: color var(--transition-fast);
            line-height: 1.6;
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            color: #888;
            text-align: center;
        }

        .footer-bottom .sep {
            color: #555;
            margin: 0 4px;
        }

        .footer-bottom a {
            color: #999;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
            .footer-bottom .sep {
                display: none;
            }
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #F05A28;
            --color-primary-hover: #D04A1E;
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-text: #1A1A1A;
            --color-text-secondary: #4A4A4A;
            --color-text-light: #6B6B6B;
            --color-bg: #FFFFFF;
            --color-bg-light: #F7F7F7;
            --color-bg-lighter: #FAFAFA;
            --color-border: #EAEAEA;
            --color-border-light: #F0F0F0;
            --color-white: #FFFFFF;
            --color-success: #2E7D32;
            --color-warning: #F9A825;
            --color-chip-warmup: #6B6B6B;
            --color-chip-live: #F05A28;
            --color-chip-replay: #4A4A4A;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-pill: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-h1: 2.5rem;
            --font-h2: 1.75rem;
            --font-h3: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --line-height-body: 1.75;
            --line-height-heading: 1.25;
            --max-width: 1200px;
            --nav-height: 64px;
            --section-gap: 88px;
            --section-gap-mobile: 56px;
        }

        @media (max-width: 1024px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.5rem;
                --font-h3: 1.15rem;
                --section-gap: 72px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --font-h1: 1.75rem;
                --font-h2: 1.35rem;
                --font-h3: 1.1rem;
                --section-gap: 56px;
                --nav-height: 56px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'MiSans', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: var(--font-body);
            line-height: var(--line-height-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            body {
                font-size: 0.95rem;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-logo .logo-accent {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: #B0B0B0;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.02em;
            background: rgba(240, 90, 40, 0.15);
            color: var(--color-chip-live);
            border: 1px solid rgba(240, 90, 40, 0.3);
            margin-left: 8px;
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-chip-live);
            animation: chipPulse 1.8s ease-in-out infinite;
        }

        @keyframes chipPulse {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(240, 90, 40, 0.6);
            }
            50% {
                opacity: 0.5;
                box-shadow: 0 0 0 8px rgba(240, 90, 40, 0);
            }
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .nav-toggle:hover {
            color: var(--color-primary);
        }

        @media (max-width: 1024px) {
            .nav-links a {
                font-size: 0.8rem;
                padding: 6px 10px;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 4px 10px;
                margin-left: 4px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 26, 26, 0.98);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-chip {
                margin-left: 0;
                margin-top: 8px;
                align-self: flex-start;
            }
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            background: var(--color-dark);
            padding: 64px 0 56px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 1;
        }

        .category-hero .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: #888;
        }

        .category-hero .breadcrumb-row a {
            color: #AAA;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .category-hero .breadcrumb-row a:hover {
            color: var(--color-primary);
        }

        .category-hero .breadcrumb-row .separator {
            color: #555;
        }

        .category-hero h1 {
            font-size: var(--font-h1);
            font-weight: 700;
            color: var(--color-white);
            line-height: var(--line-height-heading);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .category-hero .hero-subtitle {
            font-size: 1.05rem;
            color: #B0B0B0;
            line-height: 1.6;
            max-width: 600px;
        }

        .category-hero .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .category-hero .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .category-hero .hero-stat .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
        }

        .category-hero .hero-stat .stat-label {
            font-size: 0.8rem;
            color: #888;
            margin-top: 4px;
        }

        @media (max-width: 640px) {
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero .hero-subtitle {
                font-size: 0.9rem;
            }
            .category-hero .hero-stats {
                gap: 24px;
            }
            .category-hero .hero-stat .stat-number {
                font-size: 1.5rem;
            }
        }

        /* ========== SECTION STYLES ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: 48px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-text);
            line-height: var(--line-height-heading);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 700px;
            margin-bottom: 32px;
        }

        .bg-light {
            background: var(--color-bg-light);
        }

        .bg-dark {
            background: var(--color-dark);
            color: var(--color-white);
        }

        .bg-dark .section-title {
            color: var(--color-white);
        }

        .bg-dark .section-desc {
            color: #B0B0B0;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px) scale(1.02);
            border-color: #D5D5D5;
        }

        .card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: #F0F0F0;
            display: block;
        }

        .card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card .card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-primary);
            background: rgba(240, 90, 40, 0.08);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .card:hover .card-title {
            color: var(--color-primary);
        }

        .card .card-summary {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        .card .card-meta .meta-date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
            margin-top: 8px;
        }

        .card .card-link:hover {
            gap: 8px;
        }

        .card .card-link .arrow {
            transition: transform var(--transition-fast);
        }

        .card:hover .card-link .arrow {
            transform: translateX(3px);
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            position: sticky;
            top: calc(var(--nav-height) + 32px);
        }

        .sidebar-block {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 24px;
        }

        .sidebar-block h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-border-light);
        }

        .sidebar-block .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-block .tag-item {
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: var(--color-bg-light);
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .sidebar-block .tag-item:hover {
            background: rgba(240, 90, 40, 0.06);
            color: var(--color-primary);
            border-color: rgba(240, 90, 40, 0.25);
        }

        .sidebar-block .latest-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .sidebar-block .latest-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
        }

        .sidebar-block .latest-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-block .latest-list a {
            font-size: 0.9rem;
            color: var(--color-text);
            text-decoration: none;
            line-height: 1.4;
            transition: color var(--transition-fast);
            display: block;
        }

        .sidebar-block .latest-list a:hover {
            color: var(--color-primary);
        }

        .sidebar-block .latest-list .list-date {
            font-size: 0.75rem;
            color: var(--color-text-light);
            margin-top: 3px;
        }

        .sidebar-block .rss-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            color: var(--color-primary);
            font-weight: 600;
            padding: 10px 18px;
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .sidebar-block .rss-link:hover {
            background: var(--color-primary);
            color: var(--color-white);
        }

        @media (max-width: 768px) {
            .sidebar {
                position: static;
                margin-top: 32px;
            }
        }

        /* ========== EXPERT HIGHLIGHT ========== */
        .expert-highlight {
            display: flex;
            gap: 32px;
            align-items: center;
            padding: 40px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            transition: all var(--transition-smooth);
        }

        .expert-highlight:hover {
            box-shadow: var(--shadow-md);
            border-color: #D5D5D5;
        }

        .expert-highlight .expert-avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: #F0F0F0;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: #AAA;
            overflow: hidden;
        }

        .expert-highlight .expert-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .expert-highlight .expert-info h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .expert-highlight .expert-info .expert-role {
            font-size: 0.85rem;
            color: var(--color-primary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .expert-highlight .expert-info .expert-bio {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 640px) {
            .expert-highlight {
                flex-direction: column;
                text-align: center;
                padding: 24px;
            }
            .expert-highlight .expert-avatar {
                width: 80px;
                height: 80px;
            }
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .process-step {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            position: relative;
            transition: all var(--transition-smooth);
            counter-increment: step;
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: #D5D5D5;
        }

        .process-step .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-primary);
            color: var(--color-white);
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 1024px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-base);
            background: var(--color-white);
        }

        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            transition: all var(--transition-base);
            color: var(--color-text-light);
        }

        .faq-item.active .faq-question .faq-icon {
            background: var(--color-primary);
            color: var(--color-white);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-dark);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1rem;
            color: #B0B0B0;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            text-decoration: none;
            transition: all var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.01em;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: var(--color-primary);
            color: var(--color-white);
            border-color: var(--color-primary);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 90, 40, 0.3);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--color-white);
            border-color: rgba(255, 255, 255, 0.4);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--color-white);
            color: var(--color-white);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border-color: var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: var(--color-white);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark-secondary);
            color: #B0B0B0;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer .footer-col h4 {
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .site-footer .footer-col a {
            display: block;
            color: #888;
            font-size: 0.85rem;
            padding: 5px 0;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-col a:hover {
            color: var(--color-primary);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.78rem;
            color: #777;
            justify-content: space-between;
            align-items: center;
        }

        .site-footer .footer-bottom a {
            color: #888;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom a:hover {
            color: var(--color-primary);
        }

        .site-footer .footer-bottom .sep {
            margin: 0 8px;
            color: #555;
        }

        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 480px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mt-4 {
            margin-top: 32px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }
        .mb-4 {
            margin-bottom: 32px;
        }

        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        @media (max-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ========== DATA STATS ROW ========== */
        .data-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 40px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
        }

        .data-stat-item {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }

        .data-stat-item .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
        }

        .data-stat-item .stat-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin-top: 8px;
        }

        @media (max-width: 640px) {
            .data-stats-row {
                gap: 20px;
                padding: 24px;
            }
            .data-stat-item .stat-value {
                font-size: 1.6rem;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(18px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in {
            animation: fadeInUp 0.5s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }

/* roulang page: category4 */
:root {
            --color-primary: #F05A28;
            --color-primary-hover: #D04A1E;
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-text: #1A1A1A;
            --color-text-secondary: #4A4A4A;
            --color-text-light: #6B6B6B;
            --color-bg: #FFFFFF;
            --color-bg-light: #F7F7F7;
            --color-bg-lighter: #FAFAFA;
            --color-border: #EAEAEA;
            --color-border-light: #F0F0F0;
            --color-white: #FFFFFF;
            --color-success: #2E7D32;
            --color-warning: #F9A825;
            --color-chip-warmup: #6B6B6B;
            --color-chip-live: #F05A28;
            --color-chip-replay: #4A4A4A;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-pill: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-h1: 2.5rem;
            --font-h2: 1.75rem;
            --font-h3: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --line-height-body: 1.75;
            --line-height-heading: 1.25;
            --max-width: 1200px;
            --nav-height: 64px;
            --section-gap: 88px;
            --section-gap-mobile: 56px;
        }

        @media (max-width: 1024px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.5rem;
                --font-h3: 1.15rem;
                --section-gap: 72px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --font-h1: 1.75rem;
                --font-h2: 1.35rem;
                --font-h3: 1.1rem;
                --section-gap: 56px;
                --nav-height: 56px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
            box-sizing: border-box;
        }

        *,
        *::before,
        *::after {
            box-sizing: inherit;
        }

        body {
            font-family: 'PingFang SC', 'MiSans', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: var(--font-body);
            line-height: var(--line-height-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
            position: relative;
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            body {
                font-size: 0.95rem;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-logo .logo-accent {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: #B0B0B0;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.03em;
            margin-left: 4px;
        }

        .nav-chip.live {
            background: rgba(240, 90, 40, 0.15);
            color: var(--color-chip-live);
            border: 1px solid rgba(240, 90, 40, 0.3);
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: currentColor;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.5);
            }
        }

        .hamburger-toggle {
            display: none;
            background: none;
            color: var(--color-white);
            font-size: 1.5rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            cursor: pointer;
            border: none;
        }

        .hamburger-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        @media (max-width: 1024px) {
            .nav-links a {
                font-size: 0.8rem;
                padding: 6px 10px;
            }
            .nav-chip {
                font-size: 0.72rem;
                padding: 5px 10px;
            }
        }

        @media (max-width: 768px) {
            .hamburger-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 26, 26, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .nav-chip {
                margin-left: 0;
                justify-content: center;
                margin-top: 8px;
                padding: 10px 16px;
                font-size: 0.85rem;
            }
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #1A1A1A 0%, #1F1F1F 30%, #1A1A1A 60%, #222222 100%);
            min-height: 70vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                radial-gradient(circle at 20% 30%, rgba(240, 90, 40, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 75% 60%, rgba(240, 90, 40, 0.04) 0%, transparent 45%),
                radial-gradient(circle at 50% 80%, rgba(255, 255, 255, 0.02) 0%, transparent 40%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-section .grid-pattern {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            z-index: 0;
        }

        .hero-section .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 90, 40, 0.12);
            color: var(--color-primary);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            width: fit-content;
            border: 1px solid rgba(240, 90, 40, 0.2);
        }

        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-primary);
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        .hero-left h1 {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.2;
            margin: 0;
            letter-spacing: 0.02em;
        }

        .hero-left h1 .highlight {
            color: var(--color-primary);
        }

        .hero-left .hero-desc {
            font-size: 1.1rem;
            color: #B0B0B0;
            line-height: 1.7;
            margin: 0;
            max-width: 480px;
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-primary);
            color: var(--color-white);
            border: 2px solid var(--color-primary);
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 90, 40, 0.3);
        }

        .btn-ghost {
            background: transparent;
            color: var(--color-white);
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-ghost:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
            background: rgba(240, 90, 40, 0.06);
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 28px;
        }

        .progress-ring-wrapper {
            position: relative;
            width: 200px;
            height: 200px;
            flex-shrink: 0;
        }

        .progress-ring {
            transform: rotate(-90deg);
            width: 200px;
            height: 200px;
        }

        .progress-ring .bg-circle {
            fill: none;
            stroke: rgba(255, 255, 255, 0.08);
            stroke-width: 10;
        }

        .progress-ring .fg-circle {
            fill: none;
            stroke: var(--color-primary);
            stroke-width: 10;
            stroke-linecap: round;
            stroke-dasharray: 565.48;
            stroke-dashoffset: 18.1;
            transition: stroke-dashoffset 1.5s ease;
        }

        .progress-ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }

        .progress-ring-center .ring-value {
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1;
        }

        .progress-ring-center .ring-label {
            font-size: 0.8rem;
            color: #B0B0B0;
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        .tier-previews {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            width: 100%;
        }

        .tier-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 18px 16px;
            text-align: center;
            flex: 1;
            min-width: 100px;
            max-width: 140px;
            transition: all var(--transition-base);
            cursor: default;
        }

        .tier-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(240, 90, 40, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }

        .tier-card .tier-icon {
            font-size: 1.6rem;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .tier-card .tier-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-white);
            margin-bottom: 4px;
        }

        .tier-card .tier-meta {
            font-size: 0.7rem;
            color: #888;
            line-height: 1.4;
        }

        @media (max-width: 1024px) {
            .hero-section .container {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-left h1 {
                font-size: 2.2rem;
            }
            .hero-right {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            .progress-ring-wrapper {
                width: 150px;
                height: 150px;
            }
            .progress-ring {
                width: 150px;
                height: 150px;
            }
            .progress-ring .bg-circle,
            .progress-ring .fg-circle {
                stroke-width: 8;
            }
            .progress-ring .fg-circle {
                stroke-dasharray: 424.12;
                stroke-dashoffset: 13.6;
            }
            .progress-ring-center .ring-value {
                font-size: 2.2rem;
            }
            .tier-previews {
                gap: 8px;
            }
            .tier-card {
                min-width: 80px;
                max-width: 120px;
                padding: 14px 10px;
            }
        }

        @media (max-width: 640px) {
            .hero-section {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-left h1 {
                font-size: 1.75rem;
            }
            .hero-left .hero-desc {
                font-size: 0.95rem;
            }
            .hero-right {
                flex-direction: column;
                align-items: center;
            }
            .progress-ring-wrapper {
                width: 130px;
                height: 130px;
            }
            .progress-ring {
                width: 130px;
                height: 130px;
            }
            .progress-ring .fg-circle {
                stroke-dasharray: 367.57;
                stroke-dashoffset: 11.8;
            }
            .progress-ring-center .ring-value {
                font-size: 1.8rem;
            }
            .tier-card {
                min-width: 70px;
                max-width: 100px;
                padding: 10px 8px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--color-bg-light);
        }

        .section-dark {
            background: var(--color-dark);
            color: var(--color-white);
        }

        .section-header {
            text-align: left;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            color: inherit;
            margin: 0 0 12px;
            line-height: var(--line-height-heading);
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.05em;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .section-header p {
            color: var(--color-text-secondary);
            margin: 0;
            font-size: 1rem;
            line-height: 1.6;
            max-width: 600px;
        }

        .section-dark .section-header p {
            color: #B0B0B0;
        }

        @media (max-width: 640px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== VALUE PROPOSITION ========== */
        .value-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .value-text h2 {
            font-size: var(--font-h2);
            font-weight: 700;
            margin: 0 0 16px;
            line-height: var(--line-height-heading);
        }

        .value-text p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0 0 20px;
            font-size: 1rem;
        }

        .value-stats {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .stat-item {
            display: flex;
            align-items: baseline;
            gap: 12px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .stat-item:last-child {
            border-bottom: none;
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            flex-shrink: 0;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.4;
        }

        @media (max-width: 768px) {
            .value-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        /* ========== FEATURE CARDS ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px) scale(1.02);
            border-color: transparent;
        }

        .feature-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(240, 90, 40, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: var(--font-h3);
            font-weight: 600;
            margin: 0;
            line-height: var(--line-height-heading);
        }

        .feature-card p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.65;
            margin: 0;
        }

        .feature-card .card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
            transition: gap var(--transition-fast);
        }

        .feature-card .card-link:hover {
            gap: 10px;
        }

        .feature-card .card-link i {
            transition: transform var(--transition-fast);
        }

        .feature-card .card-link:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 640px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px;
            }
        }

        /* ========== SCENARIO SECTION ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .scenario-card {
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .scenario-card .scenario-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: #E8E8E8;
        }

        .scenario-card .scenario-body {
            padding: 22px 20px;
        }

        .scenario-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .scenario-card p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 640px) {
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .scenario-card .scenario-img {
                height: 160px;
            }
        }

        /* ========== NEWS TIMELINE ========== */
        .news-timeline {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-item {
            display: grid;
            grid-template-columns: 100px 1fr;
            gap: 24px;
            padding: 22px 0;
            border-bottom: 1px solid var(--color-border);
            transition: background var(--transition-fast);
            align-items: baseline;
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            background: rgba(240, 90, 40, 0.02);
            margin: 0 -16px;
            padding-left: 16px;
            padding-right: 16px;
            border-radius: var(--radius-md);
        }

        .news-date {
            font-size: 0.85rem;
            color: var(--color-text-light);
            font-weight: 500;
            white-space: nowrap;
            padding-top: 3px;
        }

        .news-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .news-content p {
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin: 0 0 8px;
        }

        .news-content .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            text-decoration: none;
            position: relative;
        }

        .news-content .news-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1.5px;
            background: var(--color-primary);
            transition: width var(--transition-base);
        }

        .news-content .news-link:hover::after {
            width: 100%;
        }

        @media (max-width: 640px) {
            .news-item {
                grid-template-columns: 1fr;
                gap: 6px;
                padding: 16px 0;
            }
            .news-date {
                font-size: 0.8rem;
            }
            .news-item:hover {
                margin: 0 -8px;
                padding-left: 8px;
                padding-right: 8px;
            }
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-bottom: 10px;
            transition: all var(--transition-base);
            background: var(--color-white);
        }

        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: 0 2px 12px rgba(240, 90, 40, 0.06);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
            border: none;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: transform var(--transition-base);
            color: var(--color-text-light);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-dark);
            padding: 64px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(240, 90, 40, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-white);
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .cta-section h2 .highlight {
            color: var(--color-primary);
        }

        .cta-section p {
            color: #B0B0B0;
            font-size: 1.05rem;
            margin: 0 0 28px;
            line-height: 1.6;
        }

        .cta-section .btn {
            font-size: 1.05rem;
            padding: 14px 32px;
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #141414;
            color: #B0B0B0;
            padding: 48px 0 24px;
            font-size: 0.85rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: #888;
            font-size: 0.85rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: #777;
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: #555;
        }

        .footer-bottom a {
            color: #888;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
        }

        /* ========== UTILITY ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        .animate-in-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-in-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .animate-in-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }

        /* ========== LIVE PULSE INDICATOR ========== */
        .live-pulse {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-success);
            letter-spacing: 0.03em;
        }
        .live-pulse .pulse-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse-dot 1.4s ease-in-out infinite;
        }

/* roulang page: category7 */
:root {
            --color-primary: #F05A28;
            --color-primary-hover: #D04A1E;
            --color-dark: #1A1A1A;
            --color-dark-secondary: #2A2A2A;
            --color-text: #1A1A1A;
            --color-text-secondary: #4A4A4A;
            --color-text-light: #6B6B6B;
            --color-bg: #FFFFFF;
            --color-bg-light: #F7F7F7;
            --color-bg-lighter: #FAFAFA;
            --color-border: #EAEAEA;
            --color-border-light: #F0F0F0;
            --color-white: #FFFFFF;
            --color-success: #2E7D32;
            --color-warning: #F9A825;
            --color-chip-warmup: #6B6B6B;
            --color-chip-live: #F05A28;
            --color-chip-replay: #4A4A4A;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-pill: 50px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 24px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.2s ease;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-h1: 2.5rem;
            --font-h2: 1.75rem;
            --font-h3: 1.25rem;
            --font-body: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --line-height-body: 1.75;
            --line-height-heading: 1.25;
            --max-width: 1200px;
            --nav-height: 64px;
            --section-gap: 88px;
            --section-gap-mobile: 56px;
        }

        @media (max-width: 1024px) {
            :root {
                --font-h1: 2rem;
                --font-h2: 1.5rem;
                --font-h3: 1.15rem;
                --section-gap: 72px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --font-h1: 1.75rem;
                --font-h2: 1.35rem;
                --font-h3: 1.1rem;
                --section-gap: 56px;
                --nav-height: 56px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: 'PingFang SC', 'MiSans', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            font-size: var(--font-body);
            line-height: var(--line-height-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
            position: relative;
        }

        a:hover {
            color: var(--color-primary-hover);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
            body {
                font-size: 0.95rem;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 26, 26, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .nav-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }

        .nav-logo:hover {
            color: var(--color-primary);
        }

        .nav-logo .logo-accent {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            color: #B0B0B0;
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
            letter-spacing: 0.02em;
            margin-left: 4px;
            transition: all var(--transition-fast);
        }

        .nav-chip.live {
            background: rgba(240, 90, 40, 0.15);
            color: var(--color-chip-live);
            border: 1px solid rgba(240, 90, 40, 0.3);
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-chip-live);
            animation: chipPulse 1.6s infinite;
        }

        @keyframes chipPulse {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 0 0 rgba(240, 90, 40, 0.6);
            }
            50% {
                opacity: 0.6;
                box-shadow: 0 0 0 6px rgba(240, 90, 40, 0);
            }
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--color-white);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .nav-links a {
                font-size: 0.8rem;
                padding: 6px 10px;
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 5px 10px;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 26, 26, 0.98);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: left;
                padding: 12px 16px;
                font-size: 0.95rem;
            }
            .nav-chip {
                margin-left: 0;
                align-self: flex-start;
                margin-top: 8px;
            }
        }

        /* ========== HERO SECTION ========== */
        .category-hero {
            position: relative;
            background: linear-gradient(160deg, #1A1A1A 0%, #1F1F1F 30%, #1A1A1A 60%, #181818 100%);
            padding: 72px 0 80px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content {
            color: var(--color-white);
        }

        .hero-content .hero-badge {
            display: inline-block;
            background: rgba(240, 90, 40, 0.2);
            color: var(--color-primary);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            letter-spacing: 0.03em;
            border: 1px solid rgba(240, 90, 40, 0.25);
        }

        .hero-content h1 {
            font-size: var(--font-h1);
            font-weight: 700;
            line-height: var(--line-height-heading);
            margin-bottom: 16px;
            color: var(--color-white);
            letter-spacing: 0.01em;
        }

        .hero-content h1 .highlight {
            color: var(--color-primary);
        }

        .hero-content .hero-desc {
            font-size: 1.1rem;
            color: #B0B0B0;
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 480px;
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            border: 2px solid var(--color-primary);
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 90, 40, 0.3);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            cursor: pointer;
            text-decoration: none;
            border: 2px solid rgba(255, 255, 255, 0.35);
            letter-spacing: 0.02em;
        }

        .btn-ghost:hover {
            border-color: var(--color-white);
            color: #fff;
            transform: translateY(-2px);
            background: rgba(255, 255, 255, 0.05);
        }

        /* Countdown Ring */
        .hero-visual {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 28px;
        }

        .countdown-ring-wrapper {
            position: relative;
            width: 220px;
            height: 220px;
            flex-shrink: 0;
        }

        .countdown-ring {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .countdown-ring .bg-circle {
            fill: none;
            stroke: rgba(255, 255, 255, 0.08);
            stroke-width: 8;
        }

        .countdown-ring .progress-circle {
            fill: none;
            stroke: var(--color-primary);
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 1s ease;
        }

        .countdown-inner {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: var(--color-white);
        }

        .countdown-inner .countdown-value {
            font-size: 3rem;
            font-weight: 700;
            line-height: 1;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }

        .countdown-inner .countdown-label {
            font-size: 0.85rem;
            color: #B0B0B0;
            margin-top: 4px;
            letter-spacing: 0.04em;
        }

        .countdown-sub-units {
            display: flex;
            gap: 24px;
            justify-content: center;
        }

        .countdown-unit {
            text-align: center;
            color: var(--color-white);
            min-width: 50px;
        }

        .countdown-unit .unit-value {
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1;
            color: var(--color-white);
        }

        .countdown-unit .unit-label {
            font-size: 0.7rem;
            color: #888;
            margin-top: 4px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        /* Carousel dots */
        .carousel-dots {
            display: flex;
            gap: 10px;
            align-items: center;
            justify-content: center;
        }

        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.25);
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            padding: 0;
        }

        .carousel-dot.active {
            background: var(--color-primary);
            width: 28px;
            border-radius: var(--radius-pill);
        }

        .carousel-dot:hover {
            background: rgba(255, 255, 255, 0.5);
        }

        .carousel-label {
            color: #B0B0B0;
            font-size: 0.85rem;
            text-align: center;
            letter-spacing: 0.02em;
            min-height: 24px;
            transition: all var(--transition-fast);
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 48px 0 56px;
                min-height: auto;
            }
            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-content .hero-desc {
                max-width: 100%;
                margin: 0 auto 28px;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-visual {
                flex-direction: column;
                align-items: center;
            }
            .countdown-ring-wrapper {
                width: 170px;
                height: 170px;
            }
            .countdown-inner .countdown-value {
                font-size: 2.4rem;
            }
            .countdown-sub-units {
                gap: 16px;
            }
            .countdown-unit .unit-value {
                font-size: 1.3rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-light {
            background: var(--color-bg-light);
        }

        .section-dark {
            background: var(--color-dark);
            color: var(--color-white);
        }

        .section-title {
            font-size: var(--font-h2);
            font-weight: 700;
            margin-bottom: 12px;
            line-height: var(--line-height-heading);
            letter-spacing: 0.01em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 40px;
            line-height: 1.6;
            max-width: 600px;
        }

        .section-dark .section-title {
            color: var(--color-white);
        }
        .section-dark .section-subtitle {
            color: #B0B0B0;
        }

        @media (max-width: 640px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ========== FEATURE CARDS ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--color-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-smooth);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px) scale(1.02);
            border-color: transparent;
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-card .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background: rgba(240, 90, 40, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: var(--font-h3);
            font-weight: 600;
            line-height: var(--line-height-heading);
            color: var(--color-text);
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
            flex-grow: 1;
        }

        .feature-card .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            margin-top: auto;
        }

        .feature-card .card-link .arrow {
            transition: transform var(--transition-fast);
        }

        .feature-card .card-link:hover .arrow {
            transform: translateX(4px);
        }

        @media (max-width: 1024px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 640px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 20px;
            }
        }

        /* ========== SCENE BLOCK ========== */
        .scene-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .scene-block.reverse {
            direction: rtl;
        }
        .scene-block.reverse .scene-text {
            direction: ltr;
        }

        .scene-image {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            aspect-ratio: 4/3;
            background: #EAEAEA;
        }

        .scene-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .scene-image .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.15) 0%, transparent 60%);
            pointer-events: none;
        }

        .scene-text h3 {
            font-size: var(--font-h3);
            font-weight: 700;
            margin-bottom: 16px;
            line-height: var(--line-height-heading);
        }

        .scene-text p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .scene-text .scene-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .scene-stat {
            text-align: center;
        }

        .scene-stat .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
        }

        .scene-stat .stat-label {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .scene-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .scene-block.reverse {
                direction: ltr;
            }
            .scene-image {
                aspect-ratio: 16/9;
            }
            .scene-stat .stat-number {
                font-size: 1.5rem;
            }
        }

        /* ========== TOPIC LIST ========== */
        .topic-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .topic-item {
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .topic-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: transparent;
            transform: translateY(-1px);
        }

        .topic-rank {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            flex-shrink: 0;
            min-width: 36px;
        }

        .topic-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .topic-info p {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin: 0;
        }

        .topic-meta {
            display: flex;
            gap: 16px;
            font-size: 0.75rem;
            color: #999;
            margin-top: 8px;
            flex-wrap: wrap;
        }

        .topic-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .topic-tag {
            display: inline-block;
            background: rgba(240, 90, 40, 0.08);
            color: var(--color-primary);
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        @media (max-width: 768px) {
            .topic-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .topic-item {
                padding: 18px;
            }
        }

        /* ========== STATS RIBBON ========== */
        .stats-ribbon {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .stat-card {
            padding: 32px 20px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(240, 90, 40, 0.3);
            transform: translateY(-2px);
        }

        .stat-card .stat-big {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
        }

        .stat-card .stat-desc {
            font-size: 0.9rem;
            color: #B0B0B0;
            margin-top: 10px;
            line-height: 1.4;
        }

        @media (max-width: 768px) {
            .stats-ribbon {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-card {
                padding: 24px 16px;
            }
            .stat-card .stat-big {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .stats-ribbon {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card .stat-big {
                font-size: 1.6rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--color-white);
            transition: all var(--transition-fast);
        }

        .faq-item.active {
            border-color: var(--color-primary);
            box-shadow: 0 4px 16px rgba(240, 90, 40, 0.08);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: left;
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-base);
            color: var(--color-text-secondary);
        }

        .faq-item.active .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            font-size: 0.95rem;
        }

        @media (max-width: 640px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-dark);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(240, 90, 40, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section .cta-title {
            font-size: var(--font-h2);
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .cta-section .cta-subtitle {
            color: #B0B0B0;
            font-size: 1.05rem;
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .cta-section .btn-primary {
            font-size: 1.1rem;
            padding: 16px 36px;
            border-radius: var(--radius-md);
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section .cta-title {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #141414;
            color: #B0B0B0;
            padding: 48px 0 24px;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            color: var(--color-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            color: #888;
            display: block;
            margin-bottom: 8px;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: #777;
        }

        .footer-bottom a {
            color: #888;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        .footer-bottom .sep {
            margin: 0 8px;
            color: #444;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        /* ========== FOUNDATION OVERRIDES ========== */
        .row {
            max-width: var(--max-width);
            margin: 0 auto;
        }

        @media (max-width: 640px) {
            .row .columns {
                margin-bottom: 16px;
            }
        }