/* roulang page: index */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #101827;
            --bg-surface-alt: #0F1626;
            --bg-light-section: #f5f7fa;
            --accent-cyan: #00C2FF;
            --accent-green: #00E5A0;
            --accent-magenta: #FF2D6B;
            --accent-gold: #FFB800;
            --text-primary: #ffffff;
            --text-secondary: #b8c4ce;
            --text-muted: #8a94a7;
            --text-on-dark: #e2e8f0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 194, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-subtle);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-hover), 0 0 24px rgba(0, 194, 255, 0.12);
            --shadow-glow-cyan: 0 0 20px rgba(0, 194, 255, 0.35);
            --transition-fast: 200ms ease;
            --transition-base: 300ms ease;
            --font-display: -apple-system, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1280px;
            --header-height: 76px;
            --section-padding: 88px;
            --card-padding: 28px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: var(--accent-cyan);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-green);
        }

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

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

        .section {
            padding: var(--section-padding) 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-light-section);
            color: #1a2233;
        }

        .section-alt .section-title,
        .section-alt .section-subtitle {
            color: #1a2233;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2.1rem;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 12px 0;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 32px 0;
            max-width: 720px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent-cyan);
            margin-bottom: 10px;
            border: 1px solid rgba(0, 194, 255, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(0, 194, 255, 0.07);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--accent-cyan);
            color: #0A0E17;
            box-shadow: 0 4px 14px rgba(0, 194, 255, 0.25);
        }

        .btn-primary:hover {
            background-color: #33d1ff;
            color: #0A0E17;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 194, 255, 0.45), 0 0 16px rgba(0, 194, 255, 0.3);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(0, 229, 160, 0.45);
            box-shadow: none;
        }

        .btn-secondary:hover {
            background-color: rgba(0, 229, 160, 0.1);
            color: var(--accent-green);
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.25);
            box-shadow: none;
        }

        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 6px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 10px;
        }

        .card {
            background-color: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--card-padding);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--border-hover);
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: 999px;
            background-color: rgba(0, 194, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 194, 255, 0.25);
            letter-spacing: 0.02em;
        }

        .badge-green {
            background-color: rgba(0, 229, 160, 0.12);
            color: var(--accent-green);
            border-color: rgba(0, 229, 160, 0.3);
        }

        .badge-magenta {
            background-color: rgba(255, 45, 107, 0.12);
            color: var(--accent-magenta);
            border-color: rgba(255, 45, 107, 0.3);
        }

        .badge-gold {
            background-color: rgba(255, 184, 0, 0.12);
            color: var(--accent-gold);
            border-color: rgba(255, 184, 0, 0.3);
        }

        .divider {
            height: 1px;
            background: var(--border-subtle);
            margin: 0;
            border: none;
        }

        .grid-bg {
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
            background-size: 48px 48px;
        }

        .honeycomb-bg {
            background-image: radial-gradient(rgba(0, 194, 255, 0.06) 1px, transparent 1px);
            background-size: 28px 28px;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            z-index: 1000;
            background-color: rgba(10, 14, 23, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background-color var(--transition-base);
        }

        .site-header.scrolled {
            background-color: rgba(10, 14, 23, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .nav-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }

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

        .logo-icon {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #0A0E17;
            font-weight: 900;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex: 1;
            justify-content: center;
        }

        .nav-menu li a {
            display: block;
            padding: 8px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-menu li a:hover {
            color: var(--text-primary);
            background-color: rgba(255, 255, 255, 0.05);
        }

        .nav-menu li a.active {
            color: var(--accent-cyan);
            background-color: rgba(0, 194, 255, 0.1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            padding: 8px 14px 8px 36px;
            font-size: 0.82rem;
            color: var(--text-primary);
            width: 180px;
            transition: all var(--transition-fast);
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-search input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.15);
            width: 220px;
        }

        .nav-search .search-icon {
            position: absolute;
            left: 12px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.8rem;
            pointer-events: none;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--text-primary);
            font-size: 1.4rem;
        }

        /* Mobile nav panel */
        .mobile-nav-panel {
            display: none;
            background-color: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: 16px 32px;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            z-index: 999;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
        }

        .mobile-nav-panel.open {
            display: block;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            border-radius: 8px;
            transition: all var(--transition-fast);
            text-decoration: none;
            margin-bottom: 4px;
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            background-color: rgba(0, 194, 255, 0.1);
            color: var(--accent-cyan);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            padding: calc(var(--header-height) + 40px) 0 80px;
            background-color: var(--bg-primary);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(10, 14, 23, 0.7) 0%, rgba(10, 14, 23, 0.85) 100%);
        }

        .hero-bg .honeycomb-overlay {
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(0, 194, 255, 0.08) 1px, transparent 1px);
            background-size: 32px 32px;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            margin: 0 0 20px 0;
            color: var(--text-primary);
            letter-spacing: -0.03em;
        }

        .hero-title .accent {
            color: var(--accent-cyan);
        }

        .hero-desc {
            font-size: 1.12rem;
            line-height: 1.8;
            color: var(--text-secondary);
            margin: 0 0 30px 0;
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 32px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .hero-stats li {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .hero-stats .stat-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-cyan);
            font-family: var(--font-display);
        }

        .hero-stats .stat-label {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Pain points */
        .pain-card {
            background-color: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px;
            height: 100%;
            transition: all var(--transition-base);
            border-top: 3px solid var(--accent-magenta);
        }

        .pain-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .pain-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 10px 0;
            color: var(--text-primary);
        }

        .pain-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        /* Solution */
        .solution-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 24px;
            background-color: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            height: 100%;
        }

        .solution-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .solution-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 194, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        .solution-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text-primary);
        }

        .solution-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.65;
        }

        /* Steps */
        .step-card {
            position: relative;
            background-color: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 30px 24px 24px;
            height: 100%;
            transition: all var(--transition-base);
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
        }

        .step-number {
            position: absolute;
            top: -16px;
            left: 24px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent-cyan);
            color: #0A0E17;
            font-weight: 800;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(0, 194, 255, 0.3);
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 8px 0 10px 0;
            color: var(--text-primary);
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Data metrics */
        .metric-card {
            text-align: center;
            padding: 28px 20px;
            background-color: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            transition: all var(--transition-base);
            height: 100%;
        }

        .metric-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .metric-value {
            font-size: 2.4rem;
            font-weight: 800;
            font-family: var(--font-display);
            color: var(--accent-cyan);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .metric-card .metric-value.green {
            color: var(--accent-green);
        }

        .metric-card .metric-value.gold {
            color: var(--accent-gold);
        }

        .metric-card .metric-value.magenta {
            color: var(--accent-magenta);
        }

        .metric-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
        }

        /* Testimonials */
        .testimonial-card {
            background-color: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 28px;
            height: 100%;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .testimonial-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-stars {
            color: var(--accent-gold);
            font-size: 0.9rem;
            letter-spacing: 2px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
            flex: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            color: #0A0E17;
            flex-shrink: 0;
        }

        .testimonial-author .author-name {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-primary);
        }

        .testimonial-author .author-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* Audience */
        .audience-card {
            background-color: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            transition: all var(--transition-base);
            border-left: 3px solid var(--accent-green);
        }

        .audience-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
        }

        .audience-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text-primary);
        }

        .audience-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* News list */
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            text-decoration: none;
            color: inherit;
        }

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

        .news-item:hover {
            padding-left: 8px;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
            min-width: 80px;
            padding-top: 4px;
        }

        .news-body h4 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 6px 0;
            color: var(--text-primary);
            line-height: 1.45;
        }

        .news-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0 0 8px 0;
            line-height: 1.6;
        }

        .news-body .btn-link {
            font-size: 0.82rem;
            color: var(--accent-cyan);
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-body .btn-link:hover {
            color: var(--accent-green);
        }

        /* Data strip */
        .data-strip {
            background: linear-gradient(135deg, rgba(0, 194, 255, 0.08), rgba(0, 229, 160, 0.06));
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 32px 0;
        }

        .data-strip .strip-item {
            text-align: center;
            padding: 12px 16px;
        }

        .data-strip .strip-value {
            font-size: 1.8rem;
            font-weight: 800;
            font-family: var(--font-display);
            color: var(--accent-cyan);
            margin-bottom: 6px;
        }

        .data-strip .strip-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
        }

        /* Brand intro */
        .brand-intro-section {
            background-color: var(--bg-light-section);
            padding: 80px 0;
            color: #1a2233;
        }

        .brand-intro-section .section-title {
            color: #1a2233;
        }

        .brand-intro-text {
            font-size: 1.02rem;
            line-height: 1.85;
            color: #3a4656;
        }

        .brand-intro-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .brand-intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }

        /* Topic cards */
        .topic-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background-color: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-base);
            height: 100%;
            display: block;
            text-decoration: none;
            color: inherit;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
            color: inherit;
        }

        .topic-card-img {
            height: 180px;
            overflow: hidden;
        }

        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .topic-card:hover .topic-card-img img {
            transform: scale(1.06);
        }

        .topic-card-body {
            padding: 18px 20px 20px;
        }

        .topic-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text-primary);
        }

        .topic-card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Media partners */
        .media-logo {
            background-color: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            text-align: center;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: all var(--transition-fast);
            min-height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .media-logo:hover {
            border-color: var(--border-hover);
            color: var(--text-primary);
            box-shadow: var(--shadow-glow-cyan);
        }

        /* CTA section */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(0, 194, 255, 0.1), rgba(0, 229, 160, 0.07));
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .cta-card {
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-card h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 16px 0;
            color: var(--text-primary);
        }

        .cta-card p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 28px 0;
        }

        /* FAQ */
        .faq-item {
            background-color: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 22px 28px;
            margin-bottom: 14px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

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

        .faq-item h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 8px 0;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .faq-item h4 .faq-icon {
            color: var(--accent-cyan);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .faq-item p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
            padding-left: 26px;
        }

        /* Footer */
        .site-footer {
            background-color: var(--bg-primary);
            border-top: 1px solid var(--border-subtle);
            padding: 64px 0 28px;
            color: var(--text-secondary);
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin: 0 0 16px 0;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .footer-social a:hover {
            background-color: rgba(0, 194, 255, 0.15);
            color: var(--accent-cyan);
            border-color: var(--border-hover);
        }

        .footer-col h5 {
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--text-muted);
            margin: 0 0 16px 0;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            margin-top: 48px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            text-decoration: none;
        }

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

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }

        /* Image with overlay */
        .img-overlay-wrapper {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
        }

        .img-overlay-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .img-overlay-wrapper .overlay-text {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 32px 24px 20px;
            background: linear-gradient(to top, rgba(10, 14, 23, 0.9), transparent);
            color: var(--text-primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            :root {
                --section-padding: 64px;
            }

            .hero-title {
                font-size: 2.6rem;
            }

            .hero {
                min-height: 72vh;
            }

            .nav-search input {
                width: 140px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .nav-actions .btn {
                display: none;
            }

            .nav-toggle {
                display: block;
            }

            .nav-container {
                padding: 0 20px;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .hero {
                min-height: auto;
                padding: calc(var(--header-height) + 24px) 0 48px;
            }

            .hero-desc {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stats .stat-value {
                font-size: 1.3rem;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-padding: 48px;
                --card-padding: 20px;
            }

            .hero-title {
                font-size: 1.9rem;
            }

            .hero-desc {
                font-size: 0.92rem;
            }

            .section-title {
                font-size: 1.45rem;
            }

            .btn-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }

            .news-item {
                flex-direction: column;
                gap: 8px;
            }

            .news-date {
                min-width: auto;
                padding-top: 0;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 20px;
            }

            .metric-value {
                font-size: 1.8rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #101827;
            --bg-surface-alt: #0F1626;
            --bg-light-section: #f5f7fa;
            --accent-cyan: #00C2FF;
            --accent-green: #00E5A0;
            --accent-magenta: #FF2D6B;
            --accent-gold: #FFB800;
            --text-primary: #ffffff;
            --text-secondary: #b8c4ce;
            --text-muted: #8a94a7;
            --text-on-dark: #e2e8f0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 194, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-subtle);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-hover), 0 0 24px rgba(0, 194, 255, 0.12);
            --shadow-glow-cyan: 0 0 20px rgba(0, 194, 255, 0.35);
            --transition-fast: 200ms ease;
            --transition-base: 300ms ease;
            --font-display: -apple-system, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1280px;
            --header-height: 76px;
            --section-padding: 88px;
            --card-padding: 28px;
        }
        @media (max-width: 64em) {
            :root {
                --section-padding: 64px;
                --card-padding: 22px;
            }
        }
        @media (max-width: 39.9em) {
            :root {
                --section-padding: 48px;
                --card-padding: 20px;
            }
        }

        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: var(--accent-cyan);
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-green);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: var(--section-padding) 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-light-section);
            color: #1a2233;
        }
        .section-alt .section-title,
        .section-alt .section-subtitle,
        .section-alt .section-eyebrow {
            color: #1a2233;
        }
        .section-title {
            font-family: var(--font-display);
            font-size: 2.1rem;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 12px 0;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 32px 0;
            max-width: 720px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent-cyan);
            margin-bottom: 10px;
            border: 1px solid rgba(0, 194, 255, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(0, 194, 255, 0.07);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--accent-cyan);
            color: #0A0E17;
            box-shadow: 0 4px 14px rgba(0, 194, 255, 0.25);
        }
        .btn-primary:hover {
            background-color: #33d1ff;
            color: #0A0E17;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 194, 255, 0.45), 0 0 16px rgba(0, 194, 255, 0.3);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(0, 229, 160, 0.45);
            box-shadow: none;
        }
        .btn-secondary:hover {
            background-color: rgba(0, 229, 160, 0.1);
            color: var(--accent-green);
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }
        .btn-ghost {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.25);
            box-shadow: none;
        }
        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--text-primary);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent-green);
            outline-offset: 2px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 900;
            background: rgba(10, 14, 23, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .nav-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 20px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.01em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--accent-cyan);
        }
        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #0A0E17;
            font-size: 1rem;
            box-shadow: 0 0 16px rgba(0, 194, 255, 0.3);
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }
        .nav-menu li a {
            display: inline-block;
            padding: 6px 2px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu li a:hover {
            color: var(--text-primary);
        }
        .nav-menu li a.active {
            color: var(--accent-cyan);
            border-bottom-color: var(--accent-cyan);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            gap: 8px;
            width: 190px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-search:focus-within {
            border-color: var(--border-hover);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.12);
        }
        .search-icon {
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.82rem;
            width: 100%;
            padding: 2px 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            border-color: var(--border-hover);
            color: var(--accent-cyan);
        }
        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(10, 14, 23, 0.97);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 24px 20px;
            flex-direction: column;
            gap: 4px;
            z-index: 899;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover {
            color: var(--text-primary);
            background: rgba(0, 194, 255, 0.08);
        }
        .mobile-nav-panel a.active {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.12);
        }
        @media (max-width: 64em) {
            .nav-menu {
                gap: 16px;
            }
            .nav-search {
                width: 140px;
            }
        }
        @media (max-width: 39.9em) {
            .nav-menu {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .mobile-nav-panel[hidden] {
                display: none;
            }
            .nav-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-actions .btn {
                display: none;
            }
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            padding: 20px 0 0;
            background: var(--bg-primary);
        }
        .breadcrumb {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb li a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb li + li::before {
            content: "/";
            color: var(--text-muted);
            margin-right: 8px;
        }

        /* Category Hero */
        .category-hero {
            background: var(--bg-primary);
            padding: 48px 0 36px;
            position: relative;
            overflow: hidden;
        }
        .category-hero::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -40px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.08), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 780px;
        }
        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.18;
            margin: 0 0 14px;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .category-hero .hero-sub {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
            max-width: 640px;
        }
        .hero-meta {
            display: flex;
            gap: 18px;
            margin-top: 20px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-meta i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }

        /* Team Cards Grid */
        .team-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .team-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--border-hover);
        }
        .team-card-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--bg-surface-alt);
        }
        .team-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .team-card:hover .team-card-cover img {
            transform: scale(1.04);
        }
        .team-card-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 14, 23, 0.55) 0%, rgba(10, 14, 23, 0.1) 40%, transparent 70%);
            pointer-events: none;
        }
        .team-badge {
            position: absolute;
            bottom: 12px;
            left: 14px;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .team-badge .badge-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 8px rgba(0, 229, 160, 0.6);
        }
        .team-badge .badge-label {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--text-primary);
            background: rgba(10, 14, 23, 0.75);
            padding: 3px 10px;
            border-radius: 999px;
            letter-spacing: 0.03em;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.14);
        }
        .team-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .team-card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .team-tag {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            background: rgba(0, 194, 255, 0.08);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 194, 255, 0.18);
            letter-spacing: 0.02em;
        }
        .team-tag.gold {
            background: rgba(255, 184, 0, 0.08);
            color: var(--accent-gold);
            border-color: rgba(255, 184, 0, 0.25);
        }
        .team-tag.magenta {
            background: rgba(255, 45, 107, 0.08);
            color: var(--accent-magenta);
            border-color: rgba(255, 45, 107, 0.25);
        }
        .team-card-title {
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-primary);
            line-height: 1.3;
        }
        .team-card-desc {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 16px;
            flex: 1;
        }
        .team-card-stats {
            display: flex;
            gap: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-subtle);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .team-stat {
            flex: 1;
            min-width: 60px;
        }
        .team-stat .stat-num {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        .team-stat .stat-label {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-top: 2px;
        }
        .team-card-actions {
            display: flex;
            gap: 10px;
        }
        .team-card-actions .btn {
            flex: 1;
            font-size: 0.82rem;
            padding: 8px 14px;
        }

        /* Data Summary Strip */
        .data-strip {
            background: var(--bg-surface-alt);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 36px 0;
        }
        .data-strip .stat-cell {
            text-align: center;
            padding: 8px 12px;
        }
        .data-strip .stat-value {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .data-strip .stat-value.gold {
            color: var(--accent-gold);
        }
        .data-strip .stat-value.green {
            color: var(--accent-green);
        }
        .data-strip .stat-value.magenta {
            color: var(--accent-magenta);
        }
        .data-strip .stat-caption {
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Timeline / Recent Updates */
        .timeline-item {
            display: flex;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .timeline-item:last-child {
            border-bottom: none;
        }
        .timeline-date {
            flex-shrink: 0;
            width: 72px;
            font-family: var(--font-display);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.08);
            border: 1px solid rgba(0, 194, 255, 0.18);
            border-radius: var(--radius-sm);
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 2px;
            white-space: nowrap;
        }
        .timeline-content {
            flex: 1;
        }
        .timeline-content .tl-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .timeline-content .tl-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }
        .timeline-content .tl-link {
            display: inline-block;
            font-size: 0.78rem;
            color: var(--accent-cyan);
            margin-top: 6px;
            font-weight: 500;
            transition: color var(--transition-fast);
        }
        .timeline-content .tl-link:hover {
            color: var(--accent-green);
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-surface-alt) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.1), transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .subscribe-cta .cta-text {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }
        .subscribe-cta .cta-text h3 {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-primary);
        }
        .subscribe-cta .cta-text p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            margin: 0;
            max-width: 460px;
        }
        .subscribe-cta .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .subscribe-cta .cta-form input {
            background: var(--bg-primary);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-primary);
            width: 240px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .subscribe-cta .cta-form input::placeholder {
            color: var(--text-muted);
        }
        .subscribe-cta .cta-form input:focus {
            border-color: var(--border-hover);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.12);
        }

        /* FAQ */
        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-primary);
            user-select: none;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--accent-cyan);
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* Footer */
        .site-footer {
            background: #070a10;
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 28px;
            color: var(--text-secondary);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 300px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .footer-social a:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            transform: translateY(-2px);
            box-shadow: 0 0 14px rgba(0, 194, 255, 0.15);
        }
        .footer-col h5 {
            font-family: var(--font-display);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }

        @media (max-width: 64em) {
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .team-card-cover {
                height: 150px;
            }
            .subscribe-cta {
                padding: 32px 28px;
            }
            .subscribe-cta .cta-form input {
                width: 180px;
            }
        }
        @media (max-width: 39.9em) {
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero {
                padding: 32px 0 24px;
            }
            .section {
                padding: var(--section-padding) 0;
            }
            .team-card-cover {
                height: 170px;
            }
            .team-stat {
                min-width: 50px;
            }
            .team-stat .stat-num {
                font-size: 1rem;
            }
            .subscribe-cta {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-cta .cta-form {
                width: 100%;
            }
            .subscribe-cta .cta-form input {
                width: 100%;
                flex: 1;
            }
            .timeline-date {
                width: 54px;
                font-size: 0.7rem;
                height: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #101827;
            --bg-surface-alt: #0F1626;
            --bg-light-section: #f5f7fa;
            --accent-cyan: #00C2FF;
            --accent-green: #00E5A0;
            --accent-magenta: #FF2D6B;
            --accent-gold: #FFB800;
            --text-primary: #ffffff;
            --text-secondary: #b8c4ce;
            --text-muted: #8a94a7;
            --text-on-dark: #e2e8f0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 194, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-subtle);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-hover), 0 0 24px rgba(0, 194, 255, 0.12);
            --shadow-glow-cyan: 0 0 20px rgba(0, 194, 255, 0.35);
            --transition-fast: 200ms ease;
            --transition-base: 300ms ease;
            --font-display: -apple-system, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1280px;
            --header-height: 76px;
            --section-padding: 88px;
            --card-padding: 28px;
        }

        @media (max-width: 63.9375em) {
            :root {
                --section-padding: 64px;
            }
        }

        @media (max-width: 39.9375em) {
            :root {
                --section-padding: 48px;
                --card-padding: 20px;
            }
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            text-decoration: none;
            color: var(--accent-cyan);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-green);
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

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

        .section {
            padding: var(--section-padding) 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-light-section);
            color: #1a2233;
        }

        .section-alt .section-title,
        .section-alt .section-subtitle {
            color: #1a2233;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2.1rem;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 12px 0;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 32px 0;
            max-width: 720px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent-cyan);
            margin-bottom: 10px;
            border: 1px solid rgba(0, 194, 255, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(0, 194, 255, 0.07);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--accent-cyan);
            color: #0A0E17;
            box-shadow: 0 4px 14px rgba(0, 194, 255, 0.25);
        }

        .btn-primary:hover {
            background-color: #33d1ff;
            color: #0A0E17;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 194, 255, 0.45), 0 0 16px rgba(0, 194, 255, 0.3);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(0, 229, 160, 0.45);
            box-shadow: none;
        }

        .btn-secondary:hover {
            background-color: rgba(0, 229, 160, 0.1);
            color: var(--accent-green);
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.25);
            box-shadow: none;
        }

        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 1.05rem;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 23, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .nav-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 16px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

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

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: linear-gradient(135deg, rgba(0, 194, 255, 0.2), rgba(0, 229, 160, 0.15));
            border: 1px solid rgba(0, 194, 255, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-shrink: 0;
        }

        .nav-menu li {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .nav-menu li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-menu li a:hover {
            color: var(--text-primary);
            background: rgba(0, 194, 255, 0.08);
        }

        .nav-menu li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.12);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-surface);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            height: 38px;
            width: 220px;
            transition: all var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.15);
        }

        .nav-search .search-icon {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-right: 8px;
        }

        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            padding: 0;
            outline: none;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-subtle);
            padding: 16px 24px;
            flex-direction: column;
            gap: 4px;
            z-index: 99;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            color: var(--text-secondary);
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover {
            background: rgba(0, 194, 255, 0.1);
            color: var(--text-primary);
        }

        .mobile-nav-panel a.active {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.12);
        }

        /* Breadcrumb */
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 4px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .breadcrumb-nav a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--accent-cyan);
        }

        .breadcrumb-nav .separator {
            color: var(--text-muted);
            margin: 0 6px;
        }

        .breadcrumb-nav .current {
            color: var(--accent-cyan);
            font-weight: 500;
        }

        /* Category Hero */
        .category-hero {
            background: linear-gradient(135deg, rgba(10, 14, 23, 0.95) 30%, rgba(0, 194, 255, 0.08) 100%), var(--bg-primary);
            border-bottom: 1px solid var(--border-subtle);
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.12) 0%, transparent 65%);
            pointer-events: none;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.06) 0%, transparent 60%);
            pointer-events: none;
        }

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

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.15;
            margin: 0 0 14px 0;
            color: var(--text-primary);
            letter-spacing: -0.025em;
        }

        .category-hero .category-desc {
            font-size: 1.1rem;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0;
        }

        .category-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 24px;
        }

        .category-hero-meta .meta-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            padding: 6px 14px;
            border-radius: 999px;
        }

        .category-hero-meta .meta-chip i {
            color: var(--accent-cyan);
            font-size: 0.75rem;
        }

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

        .schedule-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .schedule-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .schedule-card .card-date {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            gap: 6px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .schedule-card .card-date i {
            font-size: 0.7rem;
        }

        .schedule-card .card-teams {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .schedule-card .team-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: var(--bg-surface-alt);
            border: 1px solid var(--border-subtle);
            padding: 6px 12px;
            border-radius: 6px;
        }

        .schedule-card .vs {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-magenta);
            flex-shrink: 0;
        }

        .schedule-card .card-tournament {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-green);
        }

        .schedule-card .card-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.03em;
        }

        .schedule-card .status-upcoming {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.1);
            border: 1px solid rgba(0, 194, 255, 0.25);
        }

        .schedule-card .status-live {
            color: var(--accent-magenta);
            background: rgba(255, 45, 107, 0.12);
            border: 1px solid rgba(255, 45, 107, 0.3);
        }

        .schedule-card .status-completed {
            color: var(--accent-green);
            background: rgba(0, 229, 160, 0.1);
            border: 1px solid rgba(0, 229, 160, 0.25);
        }

        .schedule-card .card-cover {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            background: var(--bg-surface-alt);
            border: 1px solid var(--border-subtle);
        }

        /* Data Strip */
        .data-strip-section {
            background: var(--bg-surface-alt);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 36px 0;
        }

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

        .data-strip-item {
            text-align: center;
            padding: 16px 12px;
            border-right: 1px solid var(--border-subtle);
        }

        .data-strip-item:last-child {
            border-right: none;
        }

        .data-strip-item .data-value {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            display: block;
            line-height: 1.2;
        }

        .data-strip-item .data-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* Featured Match Section */
        .featured-section {
            background: var(--bg-primary);
        }

        .featured-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.2fr 2fr;
            gap: 0;
            transition: all var(--transition-base);
        }

        .featured-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }

        .featured-card .featured-image {
            min-height: 260px;
            object-fit: cover;
            width: 100%;
            height: 100%;
            border-right: 1px solid var(--border-subtle);
        }

        .featured-card .featured-content {
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            justify-content: center;
        }

        .featured-card .featured-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.72rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-magenta);
        }

        .featured-card h3 {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0;
            color: var(--text-primary);
        }

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

        .featured-card .featured-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .league-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            gap: 18px;
            align-items: flex-start;
            transition: all var(--transition-base);
        }

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

        .league-card .league-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(0, 194, 255, 0.1);
            border: 1px solid rgba(0, 194, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }

        .league-card .league-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 6px 0;
            color: var(--text-primary);
        }

        .league-card .league-info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0 0 8px 0;
            line-height: 1.6;
        }

        .league-card .league-info .league-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Review List */
        .review-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .review-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-fast);
        }

        .review-item:hover {
            border-color: var(--border-hover);
            background: var(--bg-surface-alt);
        }

        .review-item .review-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-green);
            flex-shrink: 0;
        }

        .review-item .review-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            flex: 1;
            margin: 0;
        }

        .review-item .review-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(0, 194, 255, 0.06) 100%);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            text-align: center;
            padding: 72px 0;
        }

        .cta-section .cta-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px 0;
            letter-spacing: -0.02em;
        }

        .cta-section .cta-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-section .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-primary);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

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

        .faq-item .faq-question .faq-icon {
            color: var(--accent-cyan);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* Responsive */
        @media (max-width: 63.9375em) {
            .schedule-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-strip-item:nth-child(2) {
                border-right: none;
            }
            .data-strip-item:nth-child(3),
            .data-strip-item:nth-child(4) {
                border-top: 1px solid var(--border-subtle);
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card .featured-image {
                min-height: 200px;
                border-right: none;
                border-bottom: 1px solid var(--border-subtle);
            }
            .league-grid {
                grid-template-columns: 1fr;
            }
            .review-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 47.9375em) {
            .nav-menu {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .schedule-grid {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .data-strip-grid {
                grid-template-columns: 1fr 1fr;
            }
            .featured-card .featured-content {
                padding: 20px;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section .cta-title {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 39.9375em) {
            .nav-container {
                padding: 0 16px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .data-strip-grid {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .data-strip-item {
                border-right: none;
                border-bottom: 1px solid var(--border-subtle);
                padding: 16px 0;
            }
            .data-strip-item:last-child {
                border-bottom: none;
            }
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero h1 {
                font-size: 1.9rem;
            }
            .schedule-card {
                padding: 16px;
            }
            .schedule-card .card-cover {
                height: 110px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #101827;
            --bg-surface-alt: #0F1626;
            --bg-light-section: #f5f7fa;
            --accent-cyan: #00C2FF;
            --accent-green: #00E5A0;
            --accent-magenta: #FF2D6B;
            --accent-gold: #FFB800;
            --text-primary: #ffffff;
            --text-secondary: #b8c4ce;
            --text-muted: #8a94a7;
            --text-on-dark: #e2e8f0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 194, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-subtle);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-hover), 0 0 24px rgba(0, 194, 255, 0.12);
            --shadow-glow-cyan: 0 0 20px rgba(0, 194, 255, 0.35);
            --transition-fast: 200ms ease;
            --transition-base: 300ms ease;
            --font-display: -apple-system, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1280px;
            --header-height: 76px;
            --section-padding: 64px;
            --card-padding: 28px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: var(--accent-cyan);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-green);
        }

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

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

        .section {
            padding: var(--section-padding) 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-light-section);
            color: #1a2233;
        }

        .section-alt .section-title,
        .section-alt .section-subtitle {
            color: #1a2233;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2.1rem;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 12px 0;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 32px 0;
            max-width: 720px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent-cyan);
            margin-bottom: 10px;
            border: 1px solid rgba(0, 194, 255, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(0, 194, 255, 0.07);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--accent-cyan);
            color: #0A0E17;
            box-shadow: 0 4px 14px rgba(0, 194, 255, 0.25);
        }

        .btn-primary:hover {
            background-color: #33d1ff;
            color: #0A0E17;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 194, 255, 0.45), 0 0 16px rgba(0, 194, 255, 0.3);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(0, 229, 160, 0.45);
            box-shadow: none;
        }

        .btn-secondary:hover {
            background-color: rgba(0, 229, 160, 0.1);
            color: var(--accent-green);
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.25);
            box-shadow: none;
        }

        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--header-height);
            background: rgba(10, 14, 23, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.96);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .nav-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-green));
            color: #0A0E17;
            border-radius: 8px;
            font-size: 0.95rem;
            box-shadow: var(--shadow-glow-cyan);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            display: inline-block;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-menu li a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-menu li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.1);
            border: 1px solid rgba(0, 194, 255, 0.25);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            min-width: 200px;
            transition: all var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--border-hover);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.15);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-search .search-icon {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            outline: none;
            padding: 4px 0;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            width: 40px;
            height: 40px;
            font-size: 1.1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            border-color: var(--border-hover);
            color: var(--accent-cyan);
        }

        .mobile-nav-panel {
            display: none;
            flex-direction: column;
            background: rgba(10, 14, 23, 0.97);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 16px 24px;
            gap: 6px;
        }

        .mobile-nav-panel a {
            padding: 10px 14px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.08);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--bg-surface-alt);
            border-bottom: 1px solid var(--border-subtle);
            padding: 10px 0;
            margin-top: var(--header-height);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb li a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb li a:hover {
            color: var(--accent-cyan);
        }

        .breadcrumb li.current {
            color: var(--accent-cyan);
            font-weight: 500;
        }

        .breadcrumb li .separator {
            color: var(--text-muted);
            font-size: 0.7rem;
        }

        /* Category H1 Hero */
        .category-hero {
            padding: 40px 0 32px;
            position: relative;
            background:
                radial-gradient(ellipse at 20% 30%, rgba(0, 194, 255, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 60%, rgba(0, 229, 160, 0.05) 0%, transparent 50%),
                var(--bg-primary);
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.2;
            margin: 0 0 14px 0;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .category-hero .hero-sub {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0;
        }

        /* Filter Tags */
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            border-radius: 999px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .filter-tag:hover,
        .filter-tag.active {
            color: var(--accent-cyan);
            border-color: var(--border-hover);
            background: rgba(0, 194, 255, 0.08);
        }

        /* Guide Cards */
        .guide-grid {
            margin-top: 12px;
        }

        .guide-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--border-hover);
        }

        .guide-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-surface-alt);
        }

        .guide-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .guide-card:hover .guide-card-img img {
            transform: scale(1.04);
        }

        .guide-card-img .img-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 14, 23, 0.65) 100%);
            pointer-events: none;
        }

        .guide-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }

        .tag-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }

        .tag-difficulty-easy {
            color: var(--accent-green);
            background: rgba(0, 229, 160, 0.12);
            border: 1px solid rgba(0, 229, 160, 0.3);
        }

        .tag-difficulty-medium {
            color: var(--accent-gold);
            background: rgba(255, 184, 0, 0.12);
            border: 1px solid rgba(255, 184, 0, 0.3);
        }

        .tag-difficulty-hard {
            color: var(--accent-magenta);
            background: rgba(255, 45, 107, 0.12);
            border: 1px solid rgba(255, 45, 107, 0.3);
        }

        .tag-version {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.1);
            border: 1px solid rgba(0, 194, 255, 0.28);
        }

        .tag-time {
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
        }

        .guide-card-title {
            font-family: var(--font-display);
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 8px 0;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .guide-card-excerpt {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0 0 14px 0;
            flex: 1;
        }

        .guide-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
            padding-top: 14px;
            border-top: 1px solid var(--border-subtle);
        }

        .guide-card-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .guide-card-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .guide-card-link:hover {
            color: var(--accent-green);
            gap: 7px;
        }

        /* Stats Summary */
        .stats-summary {
            background: var(--bg-surface-alt);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 32px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            text-align: center;
            padding: 12px 10px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
        }

        .stat-item:hover {
            border-color: var(--border-hover);
            background: rgba(0, 194, 255, 0.05);
        }

        .stat-number {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.2;
            color: var(--accent-cyan);
            letter-spacing: -0.02em;
        }

        .stat-number.green {
            color: var(--accent-green);
        }

        .stat-number.gold {
            color: var(--accent-gold);
        }

        .stat-number.magenta {
            color: var(--accent-magenta);
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Intro Section */
        .intro-section {
            background: var(--bg-primary);
        }

        .intro-content {
            display: flex;
            align-items: center;
            gap: 48px;
        }

        .intro-text {
            flex: 1.1;
        }

        .intro-text .section-title {
            margin-bottom: 18px;
        }

        .intro-text p {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }

        .intro-image {
            flex: 0.9;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-card);
        }

        .intro-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        /* Trending Section */
        .trending-section {
            background: var(--bg-light-section);
            color: #1a2233;
        }

        .trending-section .section-title,
        .trending-section .section-subtitle {
            color: #1a2233;
        }

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

        .trending-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid rgba(0, 0, 0, 0.06);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: all var(--transition-fast);
        }

        .trending-item:hover {
            box-shadow: 0 8px 18px rgba(0, 0, 0, 0.08);
            transform: translateY(-2px);
        }

        .trending-rank {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-cyan);
            min-width: 44px;
            text-align: center;
        }

        .trending-item:nth-child(1) .trending-rank {
            color: var(--accent-gold);
        }

        .trending-item:nth-child(2) .trending-rank {
            color: #a8b0bd;
        }

        .trending-item:nth-child(3) .trending-rank {
            color: #c97b4a;
        }

        .trending-info {
            flex: 1;
        }

        .trending-info h4 {
            font-size: 0.98rem;
            font-weight: 600;
            color: #1a2233;
            margin: 0 0 4px 0;
        }

        .trending-info span {
            font-size: 0.78rem;
            color: #8a94a7;
        }

        .trending-arrow {
            color: var(--accent-cyan);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .trending-item:hover .trending-arrow {
            transform: translateX(4px);
            color: var(--accent-green);
        }

        /* FAQ */
        .faq-section {
            background: var(--bg-primary);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            gap: 12px;
            transition: all var(--transition-fast);
        }

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

        .faq-icon {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 22px;
            font-size: 0.9rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* CTA Section */
        .cta-section {
            background:
                radial-gradient(ellipse at 30% 40%, rgba(0, 194, 255, 0.1) 0%, transparent 55%),
                radial-gradient(ellipse at 70% 60%, rgba(0, 229, 160, 0.07) 0%, transparent 50%),
                var(--bg-surface-alt);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 56px 0;
        }

        .cta-inner {
            text-align: center;
            max-width: 620px;
            margin: 0 auto;
        }

        .cta-inner h3 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 12px 0;
            color: var(--text-primary);
        }

        .cta-inner p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin: 0 0 24px 0;
            line-height: 1.75;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #080B12;
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            color: var(--text-secondary);
        }

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

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.75;
            color: var(--text-muted);
            margin-bottom: 18px;
            max-width: 300px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .footer-social a:hover {
            color: var(--accent-cyan);
            border-color: var(--border-hover);
            background: rgba(0, 194, 255, 0.1);
            transform: translateY(-2px);
        }

        .footer-col h5 {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
            padding-left: 3px;
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: var(--text-muted);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--accent-cyan);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-search {
                min-width: 140px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .intro-content {
                flex-direction: column;
                gap: 28px;
            }

            .intro-image img {
                height: 240px;
            }

            .section-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --section-padding: 48px;
                --card-padding: 20px;
            }

            .nav-menu {
                display: none;
            }

            .nav-search {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .mobile-nav-panel.open {
                display: flex;
            }

            .mobile-nav-panel {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                z-index: 998;
            }

            .category-hero {
                padding: 28px 0 24px;
            }

            .category-hero h1 {
                font-size: 2rem;
            }

            .category-hero .hero-sub {
                font-size: 0.95rem;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .stat-number {
                font-size: 1.5rem;
            }

            .cta-inner h3 {
                font-size: 1.4rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .section-subtitle {
                font-size: 0.95rem;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }

            .trending-item {
                flex-wrap: wrap;
            }

            .trending-rank {
                min-width: 32px;
                font-size: 1.2rem;
            }

            .filter-tags {
                gap: 6px;
            }

            .filter-tag {
                padding: 5px 12px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-header {
                --header-height: 60px;
            }

            .nav-container {
                padding: 0 16px;
                gap: 10px;
            }

            .nav-logo {
                font-size: 1.05rem;
                gap: 6px;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
                border-radius: 6px;
            }

            .btn-sm {
                padding: 6px 12px;
                font-size: 0.78rem;
            }

            .category-hero h1 {
                font-size: 1.7rem;
            }

            .category-hero .hero-sub {
                font-size: 0.88rem;
                line-height: 1.65;
            }

            .filter-tag {
                padding: 4px 10px;
                font-size: 0.7rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .stat-number {
                font-size: 1.2rem;
            }

            .stat-label {
                font-size: 0.72rem;
            }

            .intro-image img {
                height: 180px;
            }

            .cta-actions {
                flex-direction: column;
                gap: 10px;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.88rem;
            }

            .faq-answer {
                padding: 0 16px;
                font-size: 0.82rem;
            }

            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }

            .guide-card-body {
                padding: 14px 16px 16px;
            }

            .guide-card-title {
                font-size: 0.98rem;
            }

            .guide-card-excerpt {
                font-size: 0.82rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #101827;
            --bg-surface-alt: #0F1626;
            --bg-light-section: #f5f7fa;
            --accent-cyan: #00C2FF;
            --accent-green: #00E5A0;
            --accent-magenta: #FF2D6B;
            --accent-gold: #FFB800;
            --text-primary: #ffffff;
            --text-secondary: #b8c4ce;
            --text-muted: #8a94a7;
            --text-on-dark: #e2e8f0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 194, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-subtle);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-hover), 0 0 24px rgba(0, 194, 255, 0.12);
            --shadow-glow-cyan: 0 0 20px rgba(0, 194, 255, 0.35);
            --transition-fast: 200ms ease;
            --transition-base: 300ms ease;
            --font-display: -apple-system, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1280px;
            --header-height: 76px;
            --section-padding: 72px;
            --card-padding: 28px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: var(--accent-cyan);
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-green);
        }

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
        }

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

        .section {
            padding: var(--section-padding) 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-light-section);
            color: #1a2233;
        }
        .section-alt .section-title,
        .section-alt .section-subtitle {
            color: #1a2233;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 12px 0;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.02rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 32px 0;
            max-width: 720px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.76rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent-cyan);
            margin-bottom: 10px;
            border: 1px solid rgba(0, 194, 255, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(0, 194, 255, 0.07);
        }

        .text-center {
            text-align: center;
        }
        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--accent-cyan);
            color: #0A0E17;
            box-shadow: 0 4px 14px rgba(0, 194, 255, 0.25);
        }
        .btn-primary:hover {
            background-color: #33d1ff;
            color: #0A0E17;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 194, 255, 0.45), 0 0 16px rgba(0, 194, 255, 0.3);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(0, 229, 160, 0.45);
            box-shadow: none;
        }
        .btn-secondary:hover {
            background-color: rgba(0, 229, 160, 0.1);
            color: var(--accent-green);
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }
        .btn-ghost {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.25);
            box-shadow: none;
        }
        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--text-primary);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* 导航样式 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 14, 23, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background-color var(--transition-base), box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.96);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }
        .nav-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--text-primary);
            opacity: 0.85;
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-green) 100%);
            border-radius: 8px;
            color: #0A0E17;
            font-size: 0.9rem;
            box-shadow: 0 2px 10px rgba(0, 194, 255, 0.35);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-menu li a {
            display: block;
            padding: 10px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-menu li a:hover {
            color: var(--text-primary);
            background: rgba(0, 194, 255, 0.08);
        }
        .nav-menu li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.12);
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-surface-alt);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 6px 14px;
            transition: all var(--transition-fast);
            min-width: 180px;
        }
        .nav-search:focus-within {
            border-color: var(--border-hover);
            box-shadow: 0 0 0 3px rgba(0, 194, 255, 0.15);
        }
        .nav-search .search-icon {
            color: var(--text-muted);
            font-size: 0.82rem;
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.85rem;
            width: 100%;
            padding: 4px 0;
        }
        .nav-search input::placeholder {
            color: var(--text-muted);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 1.1rem;
            padding: 8px 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .nav-toggle:hover {
            border-color: var(--border-hover);
            color: var(--accent-cyan);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(10, 14, 23, 0.97);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 16px 24px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 14px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover {
            color: var(--text-primary);
            background: rgba(0, 194, 255, 0.08);
        }
        .mobile-nav-panel a.active {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.12);
            font-weight: 600;
        }
        .mobile-nav-panel.open {
            display: flex;
        }

        /* 面包屑 */
        .breadcrumb-bar {
            padding: 18px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-bottom: 1px solid var(--border-subtle);
            background: rgba(16, 24, 39, 0.5);
        }
        .breadcrumb-bar a {
            color: var(--text-muted);
        }
        .breadcrumb-bar a:hover {
            color: var(--accent-cyan);
        }
        .breadcrumb-sep {
            margin: 0 8px;
            color: var(--text-muted);
            opacity: 0.6;
        }
        .breadcrumb-current {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* 分类H1区 */
        .category-hero {
            position: relative;
            padding: 72px 0 56px;
            background: var(--bg-primary);
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                linear-gradient(rgba(0, 194, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 194, 255, 0.04) 1px, transparent 1px);
            background-size: 48px 48px;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero-inner {
            position: relative;
            z-index: 1;
        }
        .category-hero .section-eyebrow {
            margin-bottom: 12px;
        }
        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            margin: 0 0 16px 0;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }
        .category-hero p {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0;
        }

        /* 排名卡片 */
        .rank-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: var(--card-padding);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
            height: 100%;
        }
        .rank-card:hover {
            transform: translateY(-4px);
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }
        .rank-card .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-family: var(--font-display);
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .rank-badge.rank-1 {
            background: rgba(255, 184, 0, 0.15);
            color: var(--accent-gold);
            border: 1px solid rgba(255, 184, 0, 0.35);
        }
        .rank-badge.rank-2 {
            background: rgba(199, 210, 225, 0.12);
            color: #c7d2e1;
            border: 1px solid rgba(199, 210, 225, 0.30);
        }
        .rank-badge.rank-3 {
            background: rgba(205, 127, 50, 0.15);
            color: #cd7f32;
            border: 1px solid rgba(205, 127, 50, 0.35);
        }
        .rank-badge.rank-other {
            background: rgba(0, 194, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 194, 255, 0.25);
        }
        .rank-card .team-name {
            font-family: var(--font-display);
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px 0;
        }
        .rank-card .rank-tag {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .rank-card .stat-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .rank-card .stat-row:last-child {
            border-bottom: none;
        }
        .rank-card .stat-value {
            font-weight: 600;
            color: var(--text-primary);
        }
        .rank-card .stat-value.highlight {
            color: var(--accent-green);
        }

        /* 数据条样式 */
        .data-bar-wrap {
            margin-bottom: 18px;
        }
        .data-bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }
        .data-bar-label .bar-value {
            font-weight: 600;
            color: var(--text-primary);
        }
        .data-bar-track {
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 999px;
            overflow: hidden;
        }
        .data-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-green));
            transition: width 1s ease;
            position: relative;
        }
        .data-bar-fill.gold-fill {
            background: linear-gradient(90deg, #FFB800, #FFD666);
        }
        .data-bar-fill.magenta-fill {
            background: linear-gradient(90deg, var(--accent-magenta), #FF6B9D);
        }

        /* 排行列表 */
        .rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .rank-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            transition: all var(--transition-fast);
        }
        .rank-list-item:hover {
            border-color: var(--border-hover);
            background: rgba(0, 194, 255, 0.04);
        }
        .rank-list-item .rank-num {
            font-family: var(--font-display);
            font-size: 1.25rem;
            font-weight: 700;
            width: 36px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-list-item .rank-num.top {
            color: var(--accent-gold);
        }
        .rank-list-item .rank-num.alt {
            color: var(--accent-cyan);
        }
        .rank-list-item .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-list-item .rank-name {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .rank-list-item .rank-sub {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .rank-list-item .rank-rate {
            font-weight: 700;
            font-size: 1rem;
            color: var(--accent-green);
            flex-shrink: 0;
            white-space: nowrap;
        }
        .rank-list-item .rank-change {
            font-size: 0.78rem;
            color: var(--text-muted);
            flex-shrink: 0;
            white-space: nowrap;
        }
        .rank-list-item .rank-change.up {
            color: var(--accent-green);
        }
        .rank-list-item .rank-change.down {
            color: var(--accent-magenta);
        }

        /* 对比卡片 */
        .compare-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            transition: all var(--transition-base);
        }
        .compare-card:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-card-hover);
        }

        /* 更新信息块 */
        .update-banner {
            background: var(--bg-surface-alt);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .update-banner .update-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(0, 194, 255, 0.12);
            color: var(--accent-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .update-banner .update-text {
            flex: 1;
            min-width: 200px;
        }
        .update-banner .update-text strong {
            display: block;
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .update-banner .update-text span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* CTA */
        .cta-section {
            background: radial-gradient(ellipse at center, rgba(0, 194, 255, 0.1) 0%, transparent 70%), var(--bg-surface-alt);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            text-align: center;
        }
        .cta-section .cta-title {
            font-family: var(--font-display);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 12px 0;
        }
        .cta-section p {
            color: var(--text-secondary);
            margin: 0 0 24px 0;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 页脚 */
        .site-footer {
            background: #070A12;
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 28px;
            margin-top: 40px;
        }
        .site-footer .footer-brand {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .site-footer .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 10px;
        }
        .site-footer .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .site-footer .footer-social a:hover {
            color: var(--accent-cyan);
            border-color: var(--border-hover);
            background: rgba(0, 194, 255, 0.08);
        }
        .site-footer .footer-col h5 {
            font-family: var(--font-display);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 16px 0;
        }
        .site-footer .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: all var(--transition-fast);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .site-footer .footer-bottom a {
            color: var(--text-muted);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent-cyan);
        }

        /* 响应式 */
        @media (max-width: 64em) {
            .nav-menu {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .category-hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section {
                padding: 48px 0;
            }
            .category-hero {
                padding: 48px 0 40px;
            }
        }

        @media (max-width: 39.9em) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-container {
                padding: 0 16px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .section {
                padding: 40px 0;
            }
            .category-hero {
                padding: 40px 0 32px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section .cta-title {
                font-size: 1.4rem;
            }
            .rank-list-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .rank-list-item .rank-rate {
                font-size: 0.9rem;
            }
            .update-banner {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 29.9em) {
            .nav-actions .btn-primary {
                padding: 8px 12px;
                font-size: 0.78rem;
            }
            .category-hero h1 {
                font-size: 1.55rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .rank-list-item .rank-rate {
                font-size: 0.85rem;
            }
        }

        /* 排名页面特有 */
        .rank-cover-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
        }
        .rank-section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .rank-section-header .view-all {
            font-size: 0.85rem;
            color: var(--accent-cyan);
            font-weight: 500;
        }
        .rank-section-header .view-all:hover {
            color: var(--accent-green);
        }
        .badge-role {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            background: rgba(255, 45, 107, 0.12);
            color: var(--accent-magenta);
            border: 1px solid rgba(255, 45, 107, 0.25);
            margin-bottom: 8px;
        }
        .badge-cyan {
            background: rgba(0, 194, 255, 0.1);
            color: var(--accent-cyan);
            border-color: rgba(0, 194, 255, 0.25);
        }
        .badge-green {
            background: rgba(0, 229, 160, 0.1);
            color: var(--accent-green);
            border-color: rgba(0, 229, 160, 0.25);
        }

/* roulang page: category5 */
:root {
            --bg-primary: #0A0E17;
            --bg-surface: #101827;
            --bg-surface-alt: #0F1626;
            --bg-light-section: #f5f7fa;
            --accent-cyan: #00C2FF;
            --accent-green: #00E5A0;
            --accent-magenta: #FF2D6B;
            --accent-gold: #FFB800;
            --text-primary: #ffffff;
            --text-secondary: #b8c4ce;
            --text-muted: #8a94a7;
            --text-on-dark: #e2e8f0;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 194, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.35), 0 0 0 1px var(--border-subtle);
            --shadow-card-hover: 0 16px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--border-hover), 0 0 24px rgba(0, 194, 255, 0.12);
            --shadow-glow-cyan: 0 0 20px rgba(0, 194, 255, 0.35);
            --transition-fast: 200ms ease;
            --transition-base: 300ms ease;
            --font-display: -apple-system, "SF Pro Display", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            --container-max: 1280px;
            --header-height: 76px;
            --section-padding: 88px;
            --card-padding: 28px;
        }

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: var(--accent-cyan);
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--accent-green);
        }

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

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

        .section {
            padding: var(--section-padding) 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-light-section);
            color: #1a2233;
        }

        .section-alt .section-title,
        .section-alt .section-subtitle {
            color: #1a2233;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 2.1rem;
            font-weight: 700;
            line-height: 1.25;
            margin: 0 0 12px 0;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0 0 32px 0;
            max-width: 720px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--accent-cyan);
            margin-bottom: 10px;
            border: 1px solid rgba(0, 194, 255, 0.3);
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(0, 194, 255, 0.07);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--accent-cyan);
            color: #0A0E17;
            box-shadow: 0 4px 14px rgba(0, 194, 255, 0.25);
        }

        .btn-primary:hover {
            background-color: #33d1ff;
            color: #0A0E17;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 194, 255, 0.45), 0 0 16px rgba(0, 194, 255, 0.3);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(0, 229, 160, 0.45);
            box-shadow: none;
        }

        .btn-secondary:hover {
            background-color: rgba(0, 229, 160, 0.1);
            color: var(--accent-green);
            border-color: var(--accent-green);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.25);
            box-shadow: none;
        }

        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.88rem;
            border-radius: 6px;
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 10px;
        }

        /* ========== 导航栏 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 14, 23, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: background var(--transition-base), box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.97);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
        }

        .nav-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .nav-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-green) 100%);
            border-radius: 8px;
            color: #0A0E17;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-menu li a {
            display: block;
            padding: 8px 16px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-menu li a:hover {
            color: #ffffff;
            background: rgba(0, 194, 255, 0.08);
        }

        .nav-menu li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.1);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 7px 14px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            transition: all var(--transition-fast);
        }

        .nav-search:focus-within {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-glow-cyan);
        }

        .nav-search .search-icon {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .nav-search input {
            background: transparent;
            border: none;
            color: #ffffff;
            font-size: 0.9rem;
            width: 170px;
            padding: 0;
            outline: none;
        }

        .nav-search input::placeholder {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            padding: 8px 12px;
            color: #ffffff;
            cursor: pointer;
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }

        .nav-toggle:hover {
            border-color: var(--border-hover);
            color: var(--accent-cyan);
        }

        .mobile-nav-panel {
            display: none;
            position: absolute;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: rgba(10, 14, 23, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 16px 24px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 6px;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 12px 18px;
            font-size: 1rem;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .mobile-nav-panel a:hover {
            color: #ffffff;
            background: rgba(0, 194, 255, 0.08);
        }

        .mobile-nav-panel a.active {
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.1);
            border-color: rgba(0, 194, 255, 0.2);
            font-weight: 600;
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-nav {
            padding: calc(var(--header-height) + 28px) 0 0 0;
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .breadcrumb-nav a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--accent-cyan);
        }

        .breadcrumb-nav .separator {
            margin: 0 8px;
            color: var(--text-muted);
            opacity: 0.5;
        }

        .breadcrumb-nav .current {
            color: var(--text-secondary);
        }

        /* ========== 分类 H1 区 ========== */
        .category-hero {
            padding: 36px 0 16px 0;
            position: relative;
        }

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 2.8rem;
            font-weight: 700;
            line-height: 1.2;
            margin: 0 0 16px 0;
            color: #ffffff;
            letter-spacing: -0.02em;
        }

        .category-hero .hero-desc {
            font-size: 1.1rem;
            line-height: 1.75;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0;
        }

        /* ========== 新闻列表卡片 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .news-card {
            display: flex;
            flex-direction: row;
            gap: 24px;
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            padding: 0;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            position: relative;
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-3px);
        }

        .news-card-img {
            flex: 0 0 320px;
            min-height: 220px;
            max-width: 320px;
            position: relative;
            overflow: hidden;
            background: var(--bg-surface-alt);
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease;
        }

        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }

        .news-card-body {
            flex: 1;
            padding: 24px 24px 24px 8px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 12px;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 4px;
        }

        .news-date {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .news-date i {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }

        .news-tag {
            display: inline-block;
            padding: 3px 12px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 999px;
            background: rgba(0, 194, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 194, 255, 0.2);
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
        }

        .news-card .news-title {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            line-height: 1.35;
            color: #ffffff;
            margin: 0;
            letter-spacing: -0.01em;
        }

        .news-card .news-title a {
            color: #ffffff;
            transition: color var(--transition-fast);
        }

        .news-card .news-title a:hover {
            color: var(--accent-cyan);
        }

        .news-card .news-excerpt {
            font-size: 0.95rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .news-read-more {
            align-self: flex-start;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            border: none;
            background: transparent;
            padding: 0;
            cursor: pointer;
        }

        .news-card .news-read-more:hover {
            color: var(--accent-green);
            gap: 10px;
        }

        .news-card .news-read-more i {
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
        }

        .news-card .news-read-more:hover i {
            transform: translateX(4px);
        }

        /* ========== 数据摘要带 ========== */
        .data-strip {
            background: var(--bg-surface-alt);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
            padding: 40px 0;
        }

        .data-strip-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: space-between;
        }

        .data-strip-item {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
            min-width: 160px;
        }

        .data-strip-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: rgba(0, 194, 255, 0.1);
            border: 1px solid rgba(0, 194, 255, 0.2);
            color: var(--accent-cyan);
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .data-strip-item:nth-child(2) .data-strip-icon {
            background: rgba(0, 229, 160, 0.1);
            border-color: rgba(0, 229, 160, 0.2);
            color: var(--accent-green);
        }

        .data-strip-item:nth-child(3) .data-strip-icon {
            background: rgba(255, 184, 0, 0.1);
            border-color: rgba(255, 184, 0, 0.2);
            color: var(--accent-gold);
        }

        .data-strip-item:nth-child(4) .data-strip-icon {
            background: rgba(255, 45, 107, 0.1);
            border-color: rgba(255, 45, 107, 0.2);
            color: var(--accent-magenta);
        }

        .data-strip-info {
            display: flex;
            flex-direction: column;
        }

        .data-strip-value {
            font-family: var(--font-display);
            font-size: 1.6rem;
            font-weight: 700;
            line-height: 1.2;
            color: #ffffff;
        }

        .data-strip-label {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* ========== 专题推荐卡片 ========== */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .topic-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-3px);
        }

        .topic-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 400ms ease;
        }

        .topic-card:hover .topic-card-img img {
            transform: scale(1.05);
        }

        .topic-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .topic-card-body h3 {
            font-family: var(--font-display);
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            margin: 0;
            color: #ffffff;
        }

        .topic-card-body p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
            flex: 1;
        }

        .topic-card-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
        }

        .topic-card-link:hover {
            color: var(--accent-green);
        }

        .topic-card-link i {
            font-size: 0.75rem;
        }

        /* ========== 赛事日历速递 ========== */
        .calendar-ticker {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .calendar-ticker::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(180deg, var(--accent-cyan), var(--accent-green));
        }

        .calendar-ticker-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .calendar-ticker-items {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            flex: 1;
        }

        .calendar-ticker-chip {
            padding: 6px 16px;
            font-size: 0.85rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .calendar-ticker-chip:hover {
            border-color: var(--border-hover);
            color: #ffffff;
            background: rgba(0, 194, 255, 0.08);
        }

        .calendar-ticker-chip .chip-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-green);
        }

        .calendar-ticker-chip:nth-child(odd) .chip-dot {
            background: var(--accent-cyan);
        }

        /* ========== 订阅 CTA ========== */
        .subscribe-cta {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 48px 48px;
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 194, 255, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-cta-info {
            flex: 1;
            min-width: 260px;
        }

        .subscribe-cta-info h2 {
            font-family: var(--font-display);
            font-size: 1.7rem;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 10px 0;
            color: #ffffff;
        }

        .subscribe-cta-info p {
            font-size: 0.95rem;
            line-height: 1.7;
            color: var(--text-secondary);
            margin: 0;
            max-width: 480px;
        }

        .subscribe-form {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            min-width: 300px;
        }

        .subscribe-form input {
            flex: 1;
            padding: 13px 18px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            color: #ffffff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            min-width: 200px;
        }

        .subscribe-form input:focus {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-glow-cyan);
        }

        .subscribe-form input::placeholder {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .subscribe-form .btn {
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-surface-alt);
            border-top: 1px solid var(--border-subtle);
            border-bottom: 1px solid var(--border-subtle);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

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

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--accent-cyan);
            font-size: 0.9rem;
            transition: transform var(--transition-base);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

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

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        .faq-answer p {
            font-size: 0.93rem;
            line-height: 1.75;
            color: var(--text-secondary);
            margin: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #070B12;
            border-top: 1px solid var(--border-subtle);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.92rem;
            line-height: 1.7;
            color: var(--text-muted);
            margin: 0 0 16px 0;
            max-width: 300px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .footer-social a:hover {
            border-color: var(--border-hover);
            color: var(--accent-cyan);
            background: rgba(0, 194, 255, 0.1);
        }

        .footer-col h5 {
            font-family: var(--font-display);
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px 0;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            margin-top: 40px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .news-card-img {
                flex: 0 0 240px;
                max-width: 240px;
                min-height: 170px;
            }

            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .subscribe-cta {
                padding: 36px;
                flex-direction: column;
                align-items: flex-start;
            }

            .subscribe-form {
                width: 100%;
                flex-direction: row;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-padding: 56px;
                --card-padding: 20px;
                --header-height: 64px;
            }

            .nav-menu {
                display: none;
            }

            .nav-actions .nav-search {
                display: none;
            }

            .nav-actions .btn-sm {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .mobile-nav-panel {
                display: none;
            }

            .mobile-nav-panel.open {
                display: flex;
            }

            .category-hero h1 {
                font-size: 2rem;
            }

            .news-card {
                flex-direction: column;
            }

            .news-card-img {
                flex: none;
                max-width: 100%;
                width: 100%;
                height: 200px;
                min-height: auto;
            }

            .news-card-body {
                padding: 18px 20px 20px;
            }

            .news-card .news-title {
                font-size: 1.15rem;
            }

            .topic-grid {
                grid-template-columns: 1fr;
            }

            .data-strip-grid {
                flex-direction: column;
                gap: 20px;
            }

            .data-strip-item {
                min-width: auto;
            }

            .subscribe-cta {
                padding: 28px;
                flex-direction: column;
            }

            .subscribe-form {
                flex-direction: column;
                min-width: auto;
                width: 100%;
            }

            .subscribe-form input {
                width: 100%;
                min-width: auto;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            :root {
                --section-padding: 44px;
                --card-padding: 16px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-container {
                padding: 0 16px;
            }

            .nav-logo {
                font-size: 1.15rem;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }

            .category-hero h1 {
                font-size: 1.7rem;
            }

            .category-hero .hero-desc {
                font-size: 0.95rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .news-card-img {
                height: 160px;
            }

            .news-card .news-title {
                font-size: 1.05rem;
            }

            .topic-card-img {
                height: 150px;
            }

            .calendar-ticker {
                padding: 16px;
            }

            .calendar-ticker-label {
                font-size: 0.8rem;
            }

            .subscribe-cta-info h2 {
                font-size: 1.35rem;
            }
        }