/* roulang page: index */
:root {
            --primary: #2563EB;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --accent: #0F172A;
            --bg: #F8FAFC;
            --bg-soft: #F1F5F9;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-soft: #475569;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, .05);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            --transition: all .25s ease;
            --radius-btn: 10px;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .4);
            outline-offset: 2px;
        }
        a:focus:not(:focus-visible) {
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section {
            padding: var(--space-xl) 0;
        }
        .section--soft {
            background: var(--bg-soft);
        }
        .section--surface {
            background: var(--surface);
        }
        .section--accent {
            background: var(--accent);
            color: #fff;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--space-lg) 0;
            }
        }

        .section-header {
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: -.01em;
            color: var(--text);
            margin-bottom: var(--space-sm);
        }
        .section-header p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-soft);
            max-width: 640px;
        }
        .section-header.center p {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 24px;
            }
            .section-header p {
                font-size: 15px;
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            transition: var(--transition);
            line-height: 1.5;
            text-align: center;
            user-select: none;
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, .28);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(37, 99, 235, .36);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(37, 99, 235, .06);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--accent);
            box-shadow: 0 4px 12px rgba(0, 0, 0, .18);
        }
        .btn-light:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            line-height: 1.5;
        }
        .badge--green {
            background: rgba(16, 185, 129, .12);
            color: #059669;
        }
        .badge--amber {
            background: rgba(245, 158, 11, .16);
            color: #b45309;
        }
        .badge--slate {
            background: rgba(100, 116, 139, .14);
            color: #475569;
        }

        /* header / nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            gap: 24px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -.01em;
            color: var(--accent);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, #60a5fa 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .main-nav a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 14px;
            color: var(--text-soft);
            position: relative;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, .06);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(37, 99, 235, .08);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: var(--bg-soft);
            color: var(--accent);
            font-size: 20px;
        }
        .nav-toggle:hover {
            background: #e2e8f0;
        }

        /* mobile bottom tab */
        .mobile-tabbar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 55;
            background: rgba(255, 255, 255, .97);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 16px rgba(15, 23, 42, .06);
            height: 60px;
            padding: 0 4px;
        }
        .mobile-tabbar-inner {
            display: flex;
            align-items: stretch;
            height: 100%;
            max-width: 640px;
            margin: 0 auto;
        }
        .mobile-tabbar a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            font-weight: 600;
            color: #64748B;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-tabbar a svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .mobile-tabbar a.active {
            color: var(--primary);
        }
        .mobile-tabbar a:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, .06);
        }

        /* hero */
        .hero {
            background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
            border-bottom: 1px solid var(--border-light);
            padding: var(--space-xl) 0;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -120px;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(37, 99, 235, .08), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 1;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.4fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .hero-side {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .hero-center {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16 / 10;
            background: var(--accent);
        }
        .hero-center img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-center::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, .08) 0%, rgba(15, 23, 42, .35) 100%);
            pointer-events: none;
        }
        .hero-center .caption {
            position: absolute;
            bottom: 18px;
            left: 18px;
            right: 18px;
            z-index: 1;
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            text-shadow: 0 2px 8px rgba(0, 0, 0, .3);
        }
        .hero h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -.02em;
            color: var(--text);
            margin-bottom: 16px;
        }
        .hero p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-soft);
            margin-bottom: 24px;
            max-width: 520px;
        }
        .hero-value-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .hero-value-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #dbeafe;
        }
        .hero-value-item .icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(37, 99, 235, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }
        .hero-value-item strong {
            display: block;
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
        }
        .hero-value-item span {
            font-size: 13px;
            color: var(--text-muted);
            display: block;
            margin-top: 2px;
        }
        .hero-stats {
            display: flex;
            gap: 20px;
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .hero-stats .stat {
            text-align: center;
        }
        .hero-stats .stat strong {
            display: block;
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
        }
        .hero-stats .stat span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* cards */
        .card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e2e8f0;
            position: relative;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img img {
            transform: scale(1.04);
        }
        .card-body {
            padding: 20px 22px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .card-text {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* feature grid */
        .feature-group {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }
        .feature-group:last-child {
            margin-bottom: 0;
        }
        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: #dbeafe;
        }
        .feature-card .icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(37, 99, 235, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            margin-bottom: 4px;
        }
        .feature-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
        }

        /* scenario */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .scenario-block {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .scenario-block:hover {
            box-shadow: var(--shadow-md);
        }
        .scenario-block .num {
            font-size: 40px;
            font-weight: 800;
            color: rgba(37, 99, 235, .2);
            line-height: 1;
        }
        .scenario-block h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .scenario-block p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
        }

        /* screenshot */
        .screenshot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .screenshot-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            position: relative;
            background: var(--accent);
        }
        .screenshot-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .screenshot-card img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            opacity: .92;
        }
        .screenshot-card .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(180deg, transparent, rgba(15, 23, 42, .75));
            padding: 48px 20px 16px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
        }

        /* case */
        .case-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .case-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .case-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .case-item .avatar {
            width: 60px;
            height: 60px;
            border-radius: 14px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .case-item .avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .case-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pricing-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: 0 8px 28px rgba(37, 99, 235, .16);
        }
        .pricing-card .tag {
            position: absolute;
            top: 16px;
            right: 16px;
        }
        .pricing-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .pricing-card .price {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .pricing-card .price span {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
        }
        .pricing-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin: 0 0 24px 0;
            flex: 1;
        }
        .pricing-card ul li {
            font-size: 14px;
            color: var(--text-soft);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            line-height: 1.6;
        }
        .pricing-card ul li::before {
            content: "✓";
            color: var(--primary);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* testimonial */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-card .stars {
            color: #f59e0b;
            font-size: 14px;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .testimonial-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .author .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(37, 99, 235, .15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
        }
        .testimonial-card .author span {
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
        }
        .testimonial-card .author small {
            font-size: 12px;
            color: var(--text-muted);
            display: block;
        }

        /* reputation */
        .reputation-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .reputation-summary {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }
        .reputation-summary h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
        }
        .reputation-summary .score {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 16px;
        }
        .reputation-summary .score strong {
            font-size: 52px;
            font-weight: 800;
            color: var(--primary);
        }
        .reputation-summary .score span {
            font-size: 15px;
            color: var(--text-muted);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud span {
            padding: 6px 14px;
            border-radius: 999px;
            background: #f1f5f9;
            font-size: 13px;
            color: var(--text-soft);
            font-weight: 500;
            border: 1px solid var(--border-light);
        }

        /* news */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-item .thumb {
            width: 100px;
            height: 70px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: #e2e8f0;
        }
        .news-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item .info {
            flex: 1;
            min-width: 0;
        }
        .news-item .info h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .info p {
            font-size: 13px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1e3a5f 0%, #0F172A 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-xl) var(--space-lg);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(37, 99, 235, .22), transparent 70%);
            border-radius: 50%;
        }
        .cta-section h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            max-width: 560px;
            margin: 0 auto 24px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        /* footer */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: var(--space-xl) 0 100px 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .site-footer a {
            color: #94A3B8;
            display: inline-block;
            margin-right: 16px;
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: var(--transition);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 24px;
            text-align: center;
            font-size: 12px;
            color: #64748B;
            line-height: 2;
        }
        .footer-bottom a {
            color: #94A3B8;
            margin: 0 4px;
        }

        /* responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .hero-center {
                display: none;
            }
            .feature-group {
                grid-template-columns: repeat(2, 1fr);
            }
            .screenshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .mobile-tabbar {
                display: block;
            }
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 30px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .case-list {
                grid-template-columns: 1fr;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
            }
            .reputation-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .feature-group {
                grid-template-columns: 1fr;
            }
            .screenshot-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 26px;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 14px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-item .thumb {
                width: 100%;
                height: 140px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2563EB;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --accent: #0F172A;
            --bg: #F8FAFC;
            --bg-soft: #F1F5F9;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-soft: #475569;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, .05);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            --transition: all .25s ease;
            --radius-btn: 10px;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-base);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 70px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .4);
            outline-offset: 2px;
        }
        a:focus:not(:focus-visible) {
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: var(--space-xl) 0;
        }
        .section--soft {
            background: var(--bg-soft);
        }
        .section--surface {
            background: var(--surface);
        }
        .section--accent {
            background: var(--accent);
            color: #fff;
        }
        .section-header {
            max-width: 720px;
            margin-bottom: var(--space-lg);
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: -.01em;
            color: var(--text);
            margin-bottom: var(--space-sm);
        }
        .section-header p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-soft);
            max-width: 660px;
        }
        .section-header.center p {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            transition: var(--transition);
            line-height: 1.5;
            text-align: center;
            user-select: none;
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, .28);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(37, 99, 235, .36);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(37, 99, 235, .06);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--accent);
            box-shadow: 0 4px 12px rgba(0, 0, 0, .18);
        }
        .btn-light:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            line-height: 1.5;
        }
        .badge--green {
            background: rgba(16, 185, 129, .12);
            color: #059669;
        }
        .badge--amber {
            background: rgba(245, 158, 11, .12);
            color: #D97706;
        }
        .badge--red {
            background: rgba(239, 68, 68, .12);
            color: #DC2626;
        }
        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .site-header {
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 50;
            height: 68px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
            letter-spacing: -.01em;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            padding: 6px 2px;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            border-bottom-color: var(--primary-light);
        }
        .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--text);
            padding: 4px 8px;
        }
        .mobile-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border);
            z-index: 60;
            height: 64px;
            padding: 6px 0 8px;
            box-shadow: 0 -4px 16px rgba(15, 23, 42, .06);
        }
        .mobile-tab-bar nav {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            height: 100%;
        }
        .mobile-tab-bar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 10px;
            font-weight: 500;
            color: var(--text-muted);
            min-width: 48px;
            padding: 2px 4px;
            transition: var(--transition);
        }
        .mobile-tab-bar a i {
            font-size: 18px;
        }
        .mobile-tab-bar a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .site-footer {
            background: var(--accent);
            color: #CBD5E1;
            padding: var(--space-xl) 0 var(--space-md);
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: var(--space-lg);
            padding-bottom: var(--space-lg);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            margin-bottom: var(--space-md);
        }
        .footer-grid h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: var(--space-sm);
        }
        .footer-grid a {
            display: inline-block;
            color: #94A3B8;
            font-size: 13px;
            line-height: 2.1;
        }
        .footer-grid a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            font-size: 12px;
            color: #94A3B8;
            padding-top: var(--space-sm);
        }
        .footer-bottom a {
            color: #94A3B8;
        }
        .footer-bottom a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: var(--space-md);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-soft);
        }
        .category-hero {
            background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 45%, #F1F5F9 100%);
            border-bottom: 1px solid var(--border);
            padding: var(--space-xl) 0;
            position: relative;
            overflow: hidden;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(37, 99, 235, .08) 0%, transparent 70%);
            pointer-events: none;
        }
        .category-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -.01em;
            color: var(--text);
            margin-bottom: var(--space-sm);
            max-width: 780px;
        }
        .category-hero .lead {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-soft);
            max-width: 760px;
        }
        .stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }
        .stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, .7);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            backdrop-filter: blur(4px);
        }
        .stat-item i {
            font-size: 20px;
            color: var(--primary);
        }
        .stat-item .num {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
        }
        .stat-item .label {
            font-size: 12px;
            color: var(--text-muted);
        }
        .match-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .match-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .match-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, .2);
        }
        .match-info {
            display: flex;
            align-items: center;
            gap: 14px;
            flex: 1;
            min-width: 0;
        }
        .match-league {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }
        .match-teams {
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            white-space: nowrap;
        }
        .match-score {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .match-status {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .match-status.live {
            color: #DC2626;
            font-weight: 600;
        }
        .match-status.ended {
            color: var(--text-muted);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud .tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 999px;
            background: var(--surface);
            border: 1px solid var(--border);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-soft);
            transition: var(--transition);
        }
        .tag-cloud .tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(37, 99, 235, .04);
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-md);
        }
        .data-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
        }
        .data-card .value {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .data-card .label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .schedule-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .schedule-item:last-child {
            border-bottom: none;
        }
        .schedule-date {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
            min-width: 70px;
        }
        .schedule-match {
            flex: 1;
            font-weight: 500;
            color: var(--text);
        }
        .schedule-league {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 4px 0;
        }
        .faq-item summary {
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            padding: 16px 0;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            transition: transform .25s ease;
            color: var(--text-muted);
            font-size: 14px;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 0 16px;
            color: var(--text-soft);
            font-size: 14px;
            line-height: 1.85;
        }
        .cta-banner {
            background: linear-gradient(135deg, var(--primary) 0%, #1e40af 100%);
            border-radius: var(--radius-lg);
            padding: var(--space-lg);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-md);
            flex-wrap: wrap;
        }
        .cta-banner h2 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cta-banner p {
            font-size: 14px;
            color: rgba(255, 255, 255, .85);
            max-width: 520px;
        }
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .info-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .info-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, .18);
        }
        .info-list-item img {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .info-list-item .content {
            flex: 1;
            min-width: 0;
        }
        .info-list-item .title {
            font-weight: 600;
            font-size: 14px;
            color: var(--text);
            margin-bottom: 4px;
        }
        .info-list-item .desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .info-list-item .meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 6px;
            display: flex;
            gap: 14px;
        }
        @media (max-width: 1024px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-bottom: 75px;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .site-header {
                height: 60px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .lead {
                font-size: 14px;
            }
            .stat-row {
                gap: var(--space-sm);
            }
            .stat-item {
                padding: 10px 14px;
            }
            .match-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 16px;
            }
            .match-info {
                flex-wrap: wrap;
                gap: 8px;
            }
            .match-teams {
                font-size: 14px;
                white-space: normal;
            }
            .match-score {
                font-size: 18px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .mobile-tab-bar {
                display: block;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--space-sm);
            }
            .cta-banner {
                flex-direction: column;
                text-align: center;
            }
            .section-header h2 {
                font-size: 22px;
            }
        }
        @media (max-width: 520px) {
            .data-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .schedule-item {
                flex-wrap: wrap;
                gap: 6px;
            }
            .stat-item .num {
                font-size: 16px;
            }
            .category-hero h1 {
                font-size: 21px;
            }
        }
        @media (min-width: 769px) {
            .mobile-tab-bar {
                display: none;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #2563EB;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --accent: #0F172A;
            --bg: #F8FAFC;
            --bg-soft: #F1F5F9;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-soft: #475569;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, .05);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            --transition: all .25s ease;
            --radius-btn: 10px;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-base);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 80px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .4);
            outline-offset: 2px;
        }
        a:focus:not(:focus-visible) {
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: var(--space-xl) 0;
        }
        .section--soft {
            background: var(--bg-soft);
        }
        .section--surface {
            background: var(--surface);
        }
        .section--accent {
            background: var(--accent);
            color: #fff;
        }
        .section-header {
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: -.01em;
            color: var(--text);
            margin-bottom: var(--space-sm);
        }
        .section-header p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-soft);
            max-width: 640px;
        }
        .section-header.center p {
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            transition: var(--transition);
            line-height: 1.5;
            text-align: center;
            user-select: none;
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, .28);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(37, 99, 235, .36);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(37, 99, 235, .06);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--accent);
            box-shadow: 0 4px 12px rgba(0, 0, 0, .18);
        }
        .btn-light:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            line-height: 1.5;
        }
        .badge--green {
            background: rgba(16, 185, 129, .12);
            color: #059669;
        }
        .badge--amber {
            background: rgba(245, 158, 11, .12);
            color: #D97706;
        }
        .badge--red {
            background: rgba(239, 68, 68, .12);
            color: #DC2626;
        }
        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .card-body {
            padding: 20px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -.01em;
        }
        .card-text {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-soft);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: var(--bg-soft);
            color: var(--text-soft);
            transition: var(--transition);
            border: 1px solid var(--border);
            cursor: pointer;
        }
        .tag:hover {
            background: rgba(37, 99, 235, .08);
            border-color: var(--primary);
            color: var(--primary);
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 23, 42, .05);
            height: 68px;
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -.02em;
            color: var(--text);
            white-space: nowrap;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 700;
            box-shadow: 0 4px 10px rgba(37, 99, 235, .3);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            transition: var(--transition);
            white-space: nowrap;
        }
        .main-nav a:hover {
            background: var(--bg-soft);
            color: var(--text);
        }
        .main-nav a.active {
            background: rgba(37, 99, 235, .08);
            color: var(--primary);
            font-weight: 600;
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--text);
            padding: 4px 8px;
            border-radius: 8px;
        }
        .site-footer {
            background: var(--accent);
            color: #E2E8F0;
            padding: 48px 0 32px;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -.01em;
        }
        .site-footer a {
            color: #94A3B8;
            font-size: 14px;
            line-height: 2.2;
            display: inline-block;
            transition: var(--transition);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: #94A3B8;
        }
        .site-footer .footer-bottom a {
            font-size: 13px;
            color: #94A3B8;
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .site-footer .footer-bottom a:hover {
            color: #fff;
        }
        .mobile-tab-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: #fff;
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 16px rgba(15, 23, 42, .06);
            height: 64px;
            padding: 4px 8px;
            justify-content: space-around;
            align-items: center;
        }
        .mobile-tab-nav a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 8px;
            transition: var(--transition);
            min-width: 56px;
        }
        .mobile-tab-nav a i {
            font-size: 18px;
            line-height: 1.2;
        }
        .mobile-tab-nav a.active {
            color: var(--primary);
        }
        .mobile-tab-nav a:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, .05);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--border);
        }
        .breadcrumb .current {
            color: var(--text-soft);
            font-weight: 500;
        }
        .list-card {
            display: flex;
            gap: 16px;
            padding: 16px;
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            cursor: pointer;
            align-items: center;
        }
        .list-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, .2);
            transform: translateY(-2px);
        }
        .list-card .thumb {
            flex-shrink: 0;
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--bg-soft);
        }
        .list-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .list-card .info {
            flex: 1;
            min-width: 0;
        }
        .list-card .info h3 {
            font-size: 15px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 4px;
            color: var(--text);
            letter-spacing: -.01em;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .list-card .info p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .list-card .meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 4px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--surface);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(37, 99, 235, .25);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            font-weight: 700;
            font-size: 15px;
            color: var(--text);
            text-align: left;
            gap: 12px;
        }
        .faq-question i {
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-soft);
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .team-card {
            flex: 0 0 200px;
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 16px;
            text-align: center;
            transition: var(--transition);
            cursor: pointer;
            scroll-snap-align: start;
        }
        .team-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(37, 99, 235, .2);
        }
        .team-card .team-logo {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--bg-soft);
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            overflow: hidden;
        }
        .team-card .team-logo img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }
        .team-card h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .team-card p {
            font-size: 12px;
            color: var(--text-muted);
        }
        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -.02em;
            line-height: 1.3;
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .sidebar-module {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            margin-bottom: 20px;
        }
        .sidebar-module h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-light);
            letter-spacing: -.01em;
        }
        .sidebar-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 13px;
            color: var(--text-soft);
            transition: var(--transition);
            cursor: pointer;
        }
        .sidebar-list-item:last-child {
            border-bottom: none;
        }
        .sidebar-list-item:hover {
            color: var(--primary);
        }
        .sidebar-list-item span {
            font-weight: 600;
        }
        .cta-bar {
            background: linear-gradient(135deg, #1e40af 0%, #2563EB 50%, #3b82f6 100%);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-bar::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }
        .cta-bar::after {
            content: '';
            position: absolute;
            bottom: -50%;
            left: -15%;
            width: 240px;
            height: 240px;
            background: rgba(255, 255, 255, .05);
            border-radius: 50%;
        }
        .cta-bar h2 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -.01em;
            position: relative;
            z-index: 1;
        }
        .cta-bar p {
            font-size: 15px;
            opacity: .9;
            max-width: 560px;
            margin: 0 auto 20px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }
        .cta-bar .btn {
            position: relative;
            z-index: 1;
        }
        .image-placeholder {
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #DBEAFE 0%, #BFDBFE 50%, #EFF6FF 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94A3B8;
            font-size: 12px;
            font-weight: 500;
        }
        .horizontal-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 8px 4px 16px;
            -webkit-overflow-scrolling: touch;
            cursor: grab;
        }
        .horizontal-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .horizontal-scroll::-webkit-scrollbar-track {
            background: var(--bg-soft);
            border-radius: 99px;
        }
        .horizontal-scroll::-webkit-scrollbar-thumb {
            background: #CBD5E1;
            border-radius: 99px;
        }
        .horizontal-scroll::-webkit-scrollbar-thumb:hover {
            background: #94A3B8;
        }
        .category-hero {
            background: linear-gradient(135deg, #F0F4FF 0%, #F8FAFC 40%, #E8EEF9 100%);
            border-bottom: 1px solid var(--border);
            padding: 48px 0 40px;
        }
        .category-hero h1 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.4;
            letter-spacing: -.02em;
            color: var(--text);
            margin-bottom: 16px;
        }
        .category-hero .intro {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-soft);
            max-width: 760px;
        }
        @media (max-width: 1024px) {
            .main-nav a {
                padding: 6px 10px;
                font-size: 13px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--space-lg) 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .category-hero h1 {
                font-size: 24px;
            }
            .category-hero .intro {
                font-size: 14px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
                z-index: 99;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                font-size: 15px;
                width: 100%;
            }
            .nav-toggle {
                display: block;
            }
            .mobile-tab-nav {
                display: flex;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .list-card {
                flex-direction: column;
                align-items: stretch;
            }
            .list-card .thumb {
                width: 100%;
                height: 140px;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .site-header {
                height: 60px;
            }
            .mobile-tab-nav {
                height: 60px;
            }
            body {
                padding-bottom: 72px;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .category-hero {
                padding: 32px 0 28px;
            }
            .category-hero h1 {
                font-size: 21px;
            }
            .cta-bar {
                padding: 28px 20px;
            }
            .cta-bar h2 {
                font-size: 20px;
            }
            .stat-card .stat-num {
                font-size: 26px;
            }
            .team-card {
                flex: 0 0 160px;
            }
        }
        @media (min-width: 769px) {
            .mobile-tab-nav {
                display: none !important;
            }
            .main-nav {
                display: flex !important;
            }
            .nav-toggle {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2563EB;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --accent: #0F172A;
            --bg: #F8FAFC;
            --bg-soft: #F1F5F9;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-soft: #475569;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, .05);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            --transition: all .25s ease;
            --radius-btn: 10px;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-base);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .4);
            outline-offset: 2px;
        }
        a:focus:not(:focus-visible) {
            outline: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 1024px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .section {
            padding: var(--space-xl) 0;
        }
        .section--soft {
            background: var(--bg-soft);
        }
        .section--surface {
            background: var(--surface);
        }
        .section--accent {
            background: var(--accent);
            color: #fff;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--space-lg) 0;
            }
        }
        .section-header {
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: -.01em;
            color: var(--text);
            margin-bottom: var(--space-sm);
        }
        .section-header p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-soft);
            max-width: 640px;
        }
        .section-header.center p {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 640px) {
            .section-header h2 {
                font-size: 24px;
            }
            .section-header p {
                font-size: 15px;
            }
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            transition: var(--transition);
            line-height: 1.5;
            text-align: center;
            user-select: none;
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, .28);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(37, 99, 235, .36);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(37, 99, 235, .06);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--accent);
            box-shadow: 0 4px 12px rgba(0, 0, 0, .18);
        }
        .btn-light:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            line-height: 1.5;
        }
        .badge--green {
            background: rgba(16, 185, 129, .12);
            color: #059669;
        }
        .badge--amber {
            background: rgba(245, 158, 11, .14);
            color: #D97706;
        }
        .badge--slate {
            background: rgba(100, 116, 139, .14);
            color: #475569;
        }
        .card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            border-color: #D6E4FF;
            transform: translateY(-2px);
        }
        .tag {
            display: inline-block;
            padding: 2px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 500;
            background: var(--bg-soft);
            color: var(--text-soft);
            margin-right: 6px;
            margin-bottom: 6px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb a:hover {
            color: var(--primary-dark);
        }
        .breadcrumb span {
            color: #94A3B8;
        }
        .breadcrumb .current {
            color: var(--text-soft);
            font-weight: 500;
        }
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 50;
            height: 68px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(15, 23, 42, .04);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: -.01em;
        }
        .logo:hover {
            color: var(--primary);
        }
        .logo-mark {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            font-weight: 700;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 26px;
        }
        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            position: relative;
            padding: 6px 0;
        }
        .main-nav a:hover {
            color: var(--primary);
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--text);
            padding: 4px 8px;
            border-radius: 8px;
        }
        .nav-toggle:hover {
            background: var(--bg-soft);
        }
        .mobile-tab-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: #fff;
            border-top: 1px solid var(--border);
            z-index: 60;
            height: 60px;
            padding: 0 8px;
            align-items: center;
            justify-content: space-around;
            box-shadow: 0 -2px 16px rgba(15, 23, 42, .06);
        }
        .mobile-tab-bar a {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            font-size: 10px;
            font-weight: 500;
            color: #64748B;
            padding: 6px 10px;
            border-radius: 8px;
            white-space: nowrap;
            min-width: 0;
        }
        .mobile-tab-bar a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .mobile-tab-bar a .tab-icon {
            font-size: 18px;
            line-height: 1;
        }
        @media (max-width: 900px) {
            .main-nav {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .mobile-tab-bar {
                display: flex;
            }
            body {
                padding-bottom: 70px;
            }
        }
        @media (max-width: 640px) {
            .mobile-tab-bar {
                height: 58px;
                gap: 0;
            }
            .mobile-tab-bar a {
                font-size: 9px;
                padding: 4px 6px;
            }
            .mobile-tab-bar a .tab-icon {
                font-size: 16px;
            }
        }
        .footer {
            background: #0F172A;
            color: #E2E8F0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .footer a {
            color: #94A3B8;
            font-size: 13px;
            line-height: 2;
        }
        .footer a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            font-size: 12px;
            color: #94A3B8;
        }
        .footer-bottom a {
            color: #94A3B8;
            text-decoration: underline;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
            }
        }
        .hero-cat {
            background: var(--bg-soft);
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .hero-cat::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: rgba(37, 99, 235, .05);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-cat::after {
            content: "";
            position: absolute;
            bottom: -140px;
            left: -60px;
            width: 260px;
            height: 260px;
            background: rgba(37, 99, 235, .04);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-cat .container {
            position: relative;
            z-index: 1;
        }
        .hero-cat h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -.01em;
            max-width: 800px;
        }
        .hero-cat .hero-desc {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-soft);
            max-width: 800px;
        }
        .hero-cat .hero-meta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        @media (max-width: 640px) {
            .hero-cat {
                padding: 32px 0 28px;
            }
            .hero-cat h1 {
                font-size: 24px;
            }
            .hero-cat .hero-desc {
                font-size: 14px;
            }
        }
        .league-list {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin-top: 24px;
            background: var(--surface);
            box-shadow: var(--shadow-sm);
        }
        .league-row {
            display: grid;
            grid-template-columns: 70px 1fr auto;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-light);
            align-items: center;
            transition: var(--transition);
        }
        .league-row:last-child {
            border-bottom: none;
        }
        .league-row:hover {
            background: #F8FAFE;
        }
        .league-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
        }
        .league-info h3 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text);
            line-height: 1.45;
        }
        .league-info p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .league-date {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
        }
        @media (max-width: 640px) {
            .league-row {
                grid-template-columns: 52px 1fr;
                gap: 12px;
                padding: 14px 16px;
            }
            .league-icon {
                width: 42px;
                height: 42px;
                font-size: 12px;
            }
            .league-date {
                grid-column: 2;
                font-size: 11px;
            }
        }
        .team-card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        @media (max-width: 640px) {
            .team-card-grid {
                grid-template-columns: 1fr;
            }
        }
        .team-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .team-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .team-logo {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            background: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
        }
        .team-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .team-card .team-stats {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .team-card .team-record {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 2px;
        }
        .data-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .data-strip-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .data-strip-item .number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }
        .data-strip-item .label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .data-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 400px) {
            .data-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-strip-item {
                padding: 14px;
            }
            .data-strip-item .number {
                font-size: 24px;
            }
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }
        .tag-cloud .tag {
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            background: #fff;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: default;
        }
        .tag-cloud .tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(37, 99, 235, .04);
        }
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            margin-top: 24px;
        }
        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .feature-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--bg-soft);
        }
        .feature-card .feature-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .feature-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.75;
            margin-bottom: 14px;
            flex: 1;
        }
        @media (max-width: 700px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .timeline {
            position: relative;
            margin-top: 24px;
            padding-left: 24px;
            border-left: 2px solid var(--border);
        }
        .timeline-item {
            margin-bottom: 22px;
            position: relative;
            padding-left: 18px;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -31px;
            top: 6px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid #fff;
            box-shadow: 0 0 0 2px var(--border);
        }
        .timeline-item .timeline-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 2px;
        }
        .timeline-item h3 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .cta-panel {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-sm);
        }
        .cta-panel h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .cta-panel p {
            font-size: 14px;
            color: var(--text-soft);
            max-width: 500px;
            line-height: 1.75;
        }
        @media (max-width: 640px) {
            .cta-panel {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .line-clamp-3 {
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .img-placeholder {
            background: #E2E8F0;
            border-radius: var(--radius-md);
            aspect-ratio: 16/9;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94A3B8;
            font-size: 14px;
            font-weight: 500;
        }
        .mobile-nav-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 8px 24px rgba(15, 23, 42, .1);
            z-index: 55;
            padding: 16px 24px;
        }
        .mobile-nav-drawer.open {
            display: block;
        }
        .mobile-nav-drawer a {
            display: block;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-soft);
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-nav-drawer a:last-of-type {
            border-bottom: none;
        }
        .mobile-nav-drawer a.active {
            color: var(--primary);
            font-weight: 600;
        }

/* roulang page: category5 */
:root {
            --primary: #2563EB;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --accent: #0F172A;
            --bg: #F8FAFC;
            --bg-soft: #F1F5F9;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-soft: #475569;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, .05);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            --transition: all .25s ease;
            --radius-btn: 10px;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            margin: 0;
            padding-bottom: 72px;
        }

        @media (min-width: 768px) {
            body {
                padding-bottom: 0;
            }
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .4);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section {
            padding: var(--space-xl) 0;
        }

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

        .section--soft {
            background: var(--bg-soft);
        }
        .section--surface {
            background: var(--surface);
        }
        .section--accent {
            background: var(--accent);
            color: #fff;
        }

        .site-header {
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 50;
            height: 68px;
            display: flex;
            align-items: center;
            box-shadow: 0 2px 12px rgba(15, 23, 42, .04);
        }

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

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--text);
            letter-spacing: -.02em;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 17px;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(37, 99, 235, .3);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
            transition: var(--transition);
        }

        .main-nav a:hover {
            color: var(--primary);
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--text);
            padding: 4px 8px;
            border-radius: 8px;
        }
        .nav-toggle:hover {
            background: var(--bg-soft);
        }

        @media (max-width: 860px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-lg);
                z-index: 60;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                padding: 12px 0;
                border-bottom: 1px solid var(--border-light);
            }
            .main-nav a:last-child {
                border-bottom: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
        }

        .mobile-tabbar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(255, 255, 255, .98);
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: stretch;
            z-index: 70;
            box-shadow: 0 -2px 16px rgba(15, 23, 42, .06);
        }

        @media (min-width: 768px) {
            .mobile-tabbar {
                display: none;
            }
        }

        .mobile-tabbar a {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 500;
        }
        .mobile-tabbar a.active {
            color: var(--primary);
        }
        .mobile-tabbar svg {
            width: 20px;
            height: 20px;
            margin-bottom: 2px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: var(--space-md);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-soft);
        }
        .breadcrumb .sep {
            color: var(--border);
        }

        .page-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -.02em;
            color: var(--text);
            margin-bottom: var(--space-sm);
        }
        @media (max-width: 640px) {
            .page-title {
                font-size: 28px;
            }
        }

        .page-lead {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-soft);
            max-width: 760px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            transition: var(--transition);
            line-height: 1.5;
            text-align: center;
            user-select: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, .28);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(37, 99, 235, .36);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(37, 99, 235, .06);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            line-height: 1.5;
        }
        .badge--green {
            background: rgba(16, 185, 129, .12);
            color: #059669;
        }
        .badge--amber {
            background: rgba(245, 158, 11, .14);
            color: #D97706;
        }
        .badge--slate {
            background: rgba(100, 116, 139, .12);
            color: #475569;
        }

        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border);
        }

        /* 分类页特色布局 */
        .news-featured {
            background: var(--surface);
            border-radius: var(--radius-xl);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 360px;
        }
        @media (max-width: 768px) {
            .news-featured {
                grid-template-columns: 1fr;
                min-height: auto;
            }
        }
        .news-featured .featured-img {
            background: linear-gradient(135deg, #1e293b, #0f172a);
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }
        .news-featured .featured-img::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, .75), transparent 60%);
        }
        .news-featured .featured-img img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 0;
        }
        .news-featured .featured-body {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-featured .featured-body h3 {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 12px;
        }
        .news-featured .featured-body p {
            color: var(--text-soft);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .news-list-item {
            display: grid;
            grid-template-columns: 160px 1fr auto;
            gap: 20px;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
            align-items: center;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            background: var(--bg-soft);
        }
        @media (max-width: 640px) {
            .news-list-item {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 18px;
            }
        }
        .news-list-item .thumb {
            width: 160px;
            height: 100px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-soft);
            flex-shrink: 0;
        }
        .news-list-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-list-item .content h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
        }
        .news-list-item .content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .meta {
            font-size: 12px;
            color: var(--text-muted);
            white-space: nowrap;
            text-align: right;
        }
        @media (max-width: 640px) {
            .news-list-item .meta {
                text-align: left;
                white-space: normal;
            }
        }
        .news-list-item .thumb {
            width: 100%;
            height: 160px;
        }
        @media (min-width: 641px) {
            .news-list-item .thumb {
                width: 160px;
                height: 100px;
            }
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: var(--surface);
            border: 1px solid var(--border-light);
            color: var(--text-soft);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .tag-cloud a:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(37, 99, 235, .04);
            transform: translateY(-2px);
        }

        .timeline-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            position: relative;
            padding-left: 24px;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 24px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, .12);
        }
        .timeline-item .date {
            font-size: 13px;
            color: var(--text-muted);
            min-width: 70px;
            padding-top: 2px;
        }
        .timeline-item .text {
            font-size: 14px;
            color: var(--text-soft);
            font-weight: 500;
        }

        .subscribe-box {
            background: linear-gradient(135deg, #1e40af, #2563EB);
            border-radius: var(--radius-xl);
            padding: 48px 32px;
            color: #fff;
            text-align: center;
        }
        .subscribe-box h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .subscribe-box p {
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .subscribe-input-group {
            display: flex;
            gap: 10px;
            max-width: 420px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-input-group input {
            flex: 1;
            min-width: 220px;
            padding: 12px 18px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, .25);
            background: rgba(255, 255, 255, .12);
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }
        .subscribe-input-group input::placeholder {
            color: rgba(255, 255, 255, .6);
        }
        .subscribe-input-group input:focus {
            background: rgba(255, 255, 255, .2);
            border-color: rgba(255, 255, 255, .5);
        }
        .subscribe-input-group .btn-light {
            background: #fff;
            color: var(--primary);
            padding: 12px 24px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            white-space: nowrap;
        }
        .subscribe-input-group .btn-light:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
        }

        .stat-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .stat-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        .stat-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 22px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .stat-card .num {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -.02em;
        }
        .stat-card .label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .site-footer {
            background: #0F172A;
            color: #E2E8F0;
            padding: 56px 0 32px;
            margin-top: 40px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .site-footer h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #fff;
        }
        .site-footer a {
            color: #94A3B8;
            font-size: 14px;
            line-height: 2.2;
            display: inline-block;
        }
        .site-footer a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 13px;
            color: #94A3B8;
        }
        @media (min-width: 768px) {
            .site-footer .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                flex-wrap: wrap;
            }
        }
        .site-footer .footer-bottom p {
            margin: 0;
            line-height: 1.7;
        }
        .site-footer .footer-bottom a {
            font-size: 13px;
            color: #94A3B8;
        }

/* roulang page: category4 */
:root {
            --primary: #2563EB;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --accent: #0F172A;
            --bg: #F8FAFC;
            --bg-soft: #F1F5F9;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-soft: #475569;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --border-light: #EEF2F6;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, .05);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, .06);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, .12);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            --transition: all .25s ease;
            --radius-btn: 10px;
            --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-bottom: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(37, 99, 235, .4);
            outline-offset: 2px;
        }

        a:focus:not(:focus-visible) {
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 站点头部 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .97);
            backdrop-filter: blur(12px);
            box-shadow: 0 1px 8px rgba(15, 23, 42, .06);
            height: 68px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-light);
        }

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

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 20px;
            color: var(--accent);
            letter-spacing: -.01em;
            white-space: nowrap;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
        }

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

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-soft);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            background: rgba(37, 99, 235, .06);
            color: var(--primary);
        }

        .main-nav a.active {
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            font-weight: 600;
        }

        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--text);
            padding: 4px 8px;
            border-radius: 6px;
            line-height: 1;
        }

        /* 面包屑 */
        .breadcrumb {
            padding: 20px 0 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            margin: 0 8px;
            color: #94A3B8;
        }
        .breadcrumb .current {
            color: var(--text-soft);
            font-weight: 500;
        }

        /* 分类头部 */
        .wiki-hero {
            background: linear-gradient(135deg, #EFF6FF 0%, #F8FAFC 45%, #F1F5F9 100%);
            border-bottom: 1px solid var(--border-light);
            padding: 40px 0 48px;
        }
        .wiki-hero .container {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 48px;
            align-items: center;
        }
        .wiki-hero h1 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -.01em;
            color: var(--accent);
            margin-bottom: 16px;
        }
        .wiki-hero .lead {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-soft);
            max-width: 560px;
        }
        .wiki-hero-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            background: #E2E8F0;
        }
        .wiki-hero-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* 板块 */
        .section {
            padding: var(--space-xl) 0;
        }
        .section--soft {
            background: var(--bg-soft);
        }
        .section--surface {
            background: var(--surface);
        }
        .section--accent {
            background: var(--accent);
            color: #fff;
        }

        .section-header {
            max-width: 680px;
            margin-bottom: var(--space-lg);
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            letter-spacing: -.01em;
            color: var(--text);
            margin-bottom: var(--space-sm);
        }
        .section-header p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-soft);
            max-width: 640px;
        }
        .section-header.center p {
            margin-left: auto;
            margin-right: auto;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            white-space: nowrap;
            transition: var(--transition);
            line-height: 1.5;
            text-align: center;
            user-select: none;
        }
        .btn:active {
            transform: translateY(0);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(37, 99, 235, .28);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(37, 99, 235, .36);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(37, 99, 235, .06);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--accent);
            box-shadow: 0 4px 12px rgba(0, 0, 0, .18);
        }
        .btn-light:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            line-height: 1.5;
        }
        .badge--green {
            background: rgba(16, 185, 129, .12);
            color: #059669;
        }
        .badge--amber {
            background: rgba(245, 158, 11, .15);
            color: #D97706;
        }
        .badge--slate {
            background: rgba(100, 116, 139, .12);
            color: #475569;
        }

        /* 百科列表主体布局 */
        .wiki-main-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }
        .wiki-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .wiki-item {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 20px;
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .wiki-item:hover {
            box-shadow: var(--shadow-lg);
            border-color: #D7E3F4;
            transform: translateY(-2px);
        }
        .wiki-item-img {
            aspect-ratio: 16/10;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: #E2E8F0;
            flex-shrink: 0;
        }
        .wiki-item-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .wiki-item-content h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 8px;
        }
        .wiki-item-content h3 a:hover {
            color: var(--primary);
        }
        .wiki-item-content p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-soft);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .wiki-item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        /* 侧边栏 */
        .wiki-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 88px;
        }
        .sidebar-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 14px;
            color: var(--text);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-card.topic-card ul {
            list-style: none;
        }
        .sidebar-card.topic-card li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
        }
        .sidebar-card.topic-card li:last-child {
            border-bottom: none;
        }
        .sidebar-card.topic-card li a {
            color: var(--text-soft);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card.topic-card li a:hover {
            color: var(--primary);
        }
        .sidebar-card.topic-card li a::before {
            content: "›";
            font-weight: 700;
            color: var(--primary);
            font-size: 18px;
            line-height: 1;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud span {
            display: inline-flex;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(37, 99, 235, .08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 500;
            cursor: default;
            transition: var(--transition);
        }
        .tag-cloud span:hover {
            background: rgba(37, 99, 235, .16);
        }

        /* 数据摘要 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 规则速查 */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .rule-card {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .rule-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .rule-card .rule-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 14px;
        }
        .rule-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }
        .rule-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-soft);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
        }
        .faq-question .icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(37, 99, 235, .1);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: var(--transition);
        }
        .faq-item.open .faq-question .icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 220px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--text-soft);
        }

        /* CTA 板块 */
        .cta-panel {
            background: var(--accent);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-panel h2 {
            font-size: 24px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .cta-panel p {
            font-size: 15px;
            line-height: 1.75;
            color: #CBD5E1;
            max-width: 520px;
        }

        /* 页脚 */
        .site-footer {
            background: #0F172A;
            color: #CBD5E1;
            padding: 56px 0 0;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .site-footer h4 {
            color: #F8FAFC;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .site-footer a {
            color: #94A3B8;
            font-size: 13px;
            line-height: 2.2;
            display: inline-block;
        }
        .site-footer a:hover {
            color: #E2E8F0;
            text-decoration: underline;
        }
        .site-footer .footer-bottom {
            padding: 20px 0;
            font-size: 12px;
            color: #64748B;
            text-align: center;
            line-height: 2;
        }
        .site-footer .footer-bottom p {
            margin: 0;
        }
        .site-footer .footer-bottom a {
            font-size: 12px;
            color: #64748B;
        }
        .site-footer .footer-bottom a:hover {
            color: #CBD5E1;
        }

        /* 移动端底部Tab导航 */
        .mobile-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: rgba(255, 255, 255, .97);
            backdrop-filter: blur(10px);
            border-top: 1px solid var(--border-light);
            z-index: 200;
            box-shadow: 0 -2px 12px rgba(15, 23, 42, .08);
        }
        .mobile-tabs-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
            max-width: 480px;
            margin: 0 auto;
            padding: 0 8px;
        }
        .mobile-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
            font-size: 10px;
            color: #64748B;
            min-width: 60px;
            height: 100%;
            padding: 4px 6px;
        }
        .mobile-tab .tab-icon {
            font-size: 20px;
            line-height: 1;
        }
        .mobile-tab.active {
            color: var(--primary);
            font-weight: 600;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .wiki-hero .container {
                grid-template-columns: 1fr 300px;
                gap: 32px;
            }
            .wiki-main-layout {
                grid-template-columns: 1fr 280px;
                gap: 28px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rules-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .site-header .main-nav {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .wiki-hero {
                padding: 28px 0 36px;
            }
            .wiki-hero .container {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .wiki-hero h1 {
                font-size: 26px;
            }
            .wiki-hero-img {
                aspect-ratio: 16/9;
            }
            .wiki-main-layout {
                grid-template-columns: 1fr;
            }
            .wiki-sidebar {
                position: static;
                flex-direction: column;
            }
            .wiki-item {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .wiki-item-img {
                aspect-ratio: 16/9;
            }
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: var(--space-lg) 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .cta-panel {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
            }
            .cta-panel p {
                margin: 0 auto;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .mobile-tabs {
                display: block;
            }
            body {
                padding-bottom: 60px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 26px;
            }
            .wiki-hero h1 {
                font-size: 22px;
            }
            .rule-card {
                padding: 18px;
            }
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .mobile-tabs-inner {
                padding: 0 4px;
            }
            .mobile-tab {
                font-size: 9px;
                min-width: 48px;
            }
            .mobile-tab .tab-icon {
                font-size: 18px;
            }
        }