/* roulang page: index */
:root {
            --bg-primary: #0a0e17;
            --bg-secondary: #111827;
            --bg-card: #161c2a;
            --bg-card-hover: #1c2436;
            --bg-elevated: #1a2133;
            --border-subtle: #1e293b;
            --border-medium: #263348;
            --border-accent: #334155;
            --text-primary: #e8eaef;
            --text-secondary: #b0b8c9;
            --text-weak: #77829a;
            --text-muted: #5a6377;
            --accent-cyan: #00c6e8;
            --accent-blue: #3b82f6;
            --accent-orange: #f77f00;
            --accent-green: #10b981;
            --accent-red: #ef4444;
            --accent-purple: #8b5cf6;
            --accent-yellow: #f59e0b;
            --accent-pink: #ec4899;
            --gradient-hero: linear-gradient(180deg, #0d1525 0%, #0a0e17 100%);
            --gradient-card-cyan: linear-gradient(135deg, rgba(0, 198, 232, 0.12) 0%, rgba(0, 198, 232, 0.03) 100%);
            --gradient-card-blue: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(59, 130, 246, 0.03) 100%);
            --gradient-card-orange: linear-gradient(135deg, rgba(247, 127, 0, 0.12) 0%, rgba(247, 127, 0, 0.03) 100%);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-glow-cyan: 0 0 20px rgba(0, 198, 232, 0.25);
            --shadow-glow-blue: 0 0 16px rgba(59, 130, 246, 0.2);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s ease;
            --container-max: 1280px;
            --container-narrow: 960px;
            --nav-height: 64px;
            --section-gap: 64px;
            --section-gap-sm: 40px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 24px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        header.site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 16px;
            color: #fff;
            letter-spacing: -1px;
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent-cyan);
        }
        nav.main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .main-nav a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav a.active {
            color: var(--accent-cyan);
            background: rgba(0, 198, 232, 0.08);
        }
        .main-nav a .nav-badge {
            font-size: 0.65rem;
            background: var(--accent-orange);
            color: #fff;
            padding: 2px 7px;
            border-radius: 20px;
            font-weight: 600;
            letter-spacing: 0.03em;
            line-height: 1;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-nav {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-outline {
            border: 1px solid var(--border-medium);
            color: var(--text-primary);
            background: transparent;
        }
        .btn-nav-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 198, 232, 0.06);
        }
        .btn-nav-solid {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #fff;
            border: none;
        }
        .btn-nav-solid:hover {
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 1.3rem;
            background: transparent;
            border: 1px solid var(--border-medium);
        }
        .mobile-menu-toggle:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--bg-primary);
            z-index: 999;
            padding: 20px 24px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
            border-top: 1px solid var(--border-subtle);
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel a {
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            color: var(--accent-cyan);
            background: rgba(0, 198, 232, 0.08);
        }
        @media (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .nav-actions .btn-nav {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-actions {
                gap: 8px;
            }
        }
        @media (min-width: 1025px) {
            .mobile-nav-panel {
                display: none !important;
            }
        }
        section {
            padding: var(--section-gap) 0;
        }
        section.hero-section {
            padding-top: 32px;
            padding-bottom: var(--section-gap);
            background: var(--gradient-hero);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 198, 232, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
            position: relative;
            z-index: 1;
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 20px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 198, 232, 0.12);
            border: 1px solid rgba(0, 198, 232, 0.25);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-cyan);
            width: fit-content;
            letter-spacing: 0.03em;
        }
        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-red);
            animation: pulse-live 1.5s ease-in-out infinite;
        }
        @keyframes pulse-live {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
            }
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: var(--text-primary);
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 500px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #fff;
            border: none;
        }
        .btn-primary:hover {
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-2px);
        }
        .btn-secondary {
            border: 1px solid var(--border-medium);
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.03);
        }
        .btn-secondary:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 198, 232, 0.06);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 0.8rem;
            border-radius: var(--radius-sm);
        }
        .btn-xs {
            padding: 5px 10px;
            font-size: 0.72rem;
            border-radius: var(--radius-xs);
        }
        .hero-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: auto auto auto;
            gap: 12px;
            align-content: start;
        }
        .data-mini-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            transition: all var(--transition-fast);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .data-mini-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .data-mini-card .dmc-label {
            font-size: 0.7rem;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            font-weight: 600;
        }
        .data-mini-card .dmc-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.02em;
            font-family: var(--font-mono);
        }
        .data-mini-card .dmc-trend {
            font-size: 0.72rem;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .trend-up {
            color: var(--accent-green);
        }
        .trend-down {
            color: var(--accent-red);
        }
        .trend-neutral {
            color: var(--text-weak);
        }
        .data-mini-card .dmc-accent-line {
            position: absolute;
            top: 0;
            left: 0;
            height: 3px;
            border-radius: 0 0 3px 0;
        }
        .accent-cyan-line {
            background: var(--accent-cyan);
            width: 40%;
        }
        .accent-blue-line {
            background: var(--accent-blue);
            width: 55%;
        }
        .accent-orange-line {
            background: var(--accent-orange);
            width: 30%;
        }
        .accent-green-line {
            background: var(--accent-green);
            width: 45%;
        }
        .accent-purple-line {
            background: var(--accent-purple);
            width: 50%;
        }
        .accent-yellow-line {
            background: var(--accent-yellow);
            width: 35%;
        }
        .hero-hot-card {
            grid-column: 1 / -1;
            background: var(--bg-elevated);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .hero-hot-card:hover {
            border-color: var(--accent-orange);
            box-shadow: 0 0 24px rgba(247, 127, 0, 0.15);
        }
        .hero-hot-card .hot-rank {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-orange);
            font-family: var(--font-mono);
            flex-shrink: 0;
        }
        .hero-hot-card .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hero-hot-card .hot-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hero-hot-card .hot-meta {
            font-size: 0.75rem;
            color: var(--text-weak);
            margin-top: 2px;
        }
        .hero-hot-card .hot-badge {
            background: var(--accent-orange);
            color: #fff;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-cyan);
            margin-bottom: 8px;
        }
        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .data-overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .dov-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: all var(--transition-fast);
            position: relative;
        }
        .dov-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-accent);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .dov-card .dov-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }
        .dov-icon.cyan {
            background: rgba(0, 198, 232, 0.15);
            color: var(--accent-cyan);
        }
        .dov-icon.blue {
            background: rgba(59, 130, 246, 0.15);
            color: var(--accent-blue);
        }
        .dov-icon.orange {
            background: rgba(247, 127, 0, 0.15);
            color: var(--accent-orange);
        }
        .dov-icon.green {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green);
        }
        .dov-icon.purple {
            background: rgba(139, 92, 246, 0.15);
            color: var(--accent-purple);
        }
        .dov-icon.yellow {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-yellow);
        }
        .dov-value {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
        }
        .dov-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .dov-trend {
            font-size: 0.72rem;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .hot-rank-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: 32px;
            border: 1px solid var(--border-subtle);
        }
        .hot-rank-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .hot-rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .hot-rank-item:hover {
            border-color: var(--border-medium);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .hot-rank-num {
            font-size: 1.4rem;
            font-weight: 900;
            font-family: var(--font-mono);
            width: 36px;
            text-align: center;
            flex-shrink: 0;
            color: var(--text-weak);
        }
        .hot-rank-item:nth-child(1) .hot-rank-num {
            color: #fbbf24;
        }
        .hot-rank-item:nth-child(2) .hot-rank-num {
            color: #c0c0c0;
        }
        .hot-rank-item:nth-child(3) .hot-rank-num {
            color: #cd7f32;
        }
        .hot-rank-info {
            flex: 1;
            min-width: 0;
        }
        .hot-rank-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-rank-meta {
            font-size: 0.73rem;
            color: var(--text-weak);
            margin-top: 2px;
        }
        .hot-rank-change {
            font-size: 0.78rem;
            font-weight: 600;
            flex-shrink: 0;
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-card:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .news-card-img {
            width: 160px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.05);
        }
        .news-card-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
            min-width: 0;
        }
        .news-card-tag {
            font-size: 0.68rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            width: fit-content;
            letter-spacing: 0.03em;
        }
        .tag-hot {
            background: rgba(239, 68, 68, 0.15);
            color: #f87171;
        }
        .tag-new {
            background: rgba(16, 185, 129, 0.15);
            color: #34d399;
        }
        .tag-recommend {
            background: rgba(139, 92, 246, 0.15);
            color: #a78bfa;
        }
        .tag-data {
            background: rgba(59, 130, 246, 0.15);
            color: #60a5fa;
        }
        .news-card-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-desc {
            font-size: 0.78rem;
            color: var(--text-weak);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-date {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            border-color: var(--border-accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .topic-card-img {
            height: 140px;
            overflow: hidden;
            position: relative;
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .topic-card:hover .topic-card-img img {
            transform: scale(1.06);
        }
        .topic-card-img .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(10, 14, 23, 0.85) 100%);
        }
        .topic-card-body {
            padding: 14px 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .topic-card-title {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
        }
        .topic-card-desc {
            font-size: 0.75rem;
            color: var(--text-weak);
            line-height: 1.5;
        }
        .topic-card-tag {
            font-size: 0.68rem;
            color: var(--accent-cyan);
            font-weight: 600;
        }
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-fast);
            text-align: center;
            align-items: center;
        }
        .service-card:hover {
            border-color: var(--border-accent);
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .service-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }
        .service-icon.cyan {
            background: rgba(0, 198, 232, 0.15);
            color: var(--accent-cyan);
        }
        .service-icon.blue {
            background: rgba(59, 130, 246, 0.15);
            color: var(--accent-blue);
        }
        .service-icon.orange {
            background: rgba(247, 127, 0, 0.15);
            color: var(--accent-orange);
        }
        .service-icon.green {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green);
        }
        .service-icon.purple {
            background: rgba(139, 92, 246, 0.15);
            color: var(--accent-purple);
        }
        .service-icon.yellow {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent-yellow);
        }
        .service-card h3 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
        }
        .service-card p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-fast);
        }
        .review-card:hover {
            border-color: var(--border-accent);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-md);
        }
        .review-stars {
            color: #f59e0b;
            font-size: 0.85rem;
            letter-spacing: 2px;
        }
        .review-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .review-author {
            font-size: 0.78rem;
            color: var(--text-weak);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .review-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--border-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-accent);
        }
        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-question .faq-icon {
            transition: transform var(--transition-base);
            color: var(--text-weak);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .eco-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .eco-tag {
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            border: 1px solid var(--border-medium);
            color: var(--text-secondary);
            background: var(--bg-card);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .eco-tag:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 198, 232, 0.06);
            transform: translateY(-2px);
        }
        .changelog-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 700px;
            margin: 0 auto;
        }
        .changelog-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .changelog-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
            flex-shrink: 0;
            min-width: 90px;
        }
        .changelog-content {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .changelog-content strong {
            color: var(--text-primary);
        }
        .cta-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 198, 232, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: var(--text-secondary);
            margin: 12px 0 24px;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-primary {
            position: relative;
            z-index: 1;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 440px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .subscribe-form input {
            flex: 1;
            padding: 12px 18px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-medium);
            background: var(--bg-card);
            color: var(--text-primary);
            font-size: 0.9rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .subscribe-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 198, 232, 0.1);
        }
        footer.site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-subtle);
            padding: 48px 0 28px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
        }
        .footer-brand .logo-text {
            font-size: 1.2rem;
            margin-bottom: 8px;
            display: block;
        }
        .footer-brand p {
            font-size: 0.82rem;
            color: var(--text-weak);
            line-height: 1.6;
            margin-top: 8px;
        }
        .footer-col h4 {
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 0.8rem;
            color: var(--text-weak);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid var(--border-subtle);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
            text-align: center;
            font-size: 0.73rem;
            color: var(--text-muted);
            line-height: 1.8;
        }
        .footer-bottom a {
            color: var(--text-weak);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom .sep {
            color: var(--border-medium);
            margin: 0 4px;
        }
        @media (max-width: 1200px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-right {
                grid-template-columns: repeat(3, 1fr);
            }
            .hero-hot-card {
                grid-column: 1 / -1;
            }
            .data-overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
                --section-gap-sm: 28px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-right {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-mini-card {
                padding: 10px 12px;
            }
            .data-mini-card .dmc-value {
                font-size: 1.2rem;
            }
            .data-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .dov-card {
                padding: 14px 16px;
            }
            .dov-value {
                font-size: 1.3rem;
            }
            .topic-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card-img {
                width: 100%;
                height: 160px;
            }
            .hot-rank-section {
                padding: 20px 16px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .hero-hot-card {
                flex-wrap: wrap;
                gap: 8px;
            }
            .hero-hot-card .hot-rank {
                font-size: 1.4rem;
            }
            .faq-question {
                font-size: 0.82rem;
                padding: 12px 16px;
            }
        }
        @media (max-width: 520px) {
            .hero-right {
                grid-template-columns: 1fr 1fr;
                gap: 6px;
            }
            .data-mini-card {
                padding: 8px 10px;
                gap: 4px;
            }
            .data-mini-card .dmc-value {
                font-size: 1rem;
            }
            .data-mini-card .dmc-label {
                font-size: 0.65rem;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-desc {
                font-size: 0.85rem;
            }
            .data-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .logo-text {
                font-size: 1rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-dark: #0a0e17;
            --primary-bg: #111827;
            --surface: #1a1f2e;
            --surface-light: #212839;
            --accent-cyan: #06d6a0;
            --accent-blue: #3b82f6;
            --accent-orange: #f59e0b;
            --accent-red: #ef4444;
            --accent-purple: #8b5cf6;
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --border-color: #2d3548;
            --border-light: #373f54;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.55);
            --shadow-glow-cyan: 0 0 18px rgba(6, 214, 160, 0.25);
            --shadow-glow-blue: 0 0 18px rgba(59, 130, 246, 0.25);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --max-width: 1280px;
            --header-height: 68px;
        }

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

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

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

        a {
            color: var(--accent-cyan);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: #10f0b8;
        }
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
            transition: all var(--transition-base);
        }
        button:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(17, 24, 39, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-base);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .logo-area .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-cyan), #059669);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            font-weight: 900;
            flex-shrink: 0;
        }
        .logo-area span {
            color: var(--text-primary);
        }
        .logo-area .logo-accent {
            color: var(--accent-cyan);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .main-nav a {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.925rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.3px;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav a.active {
            color: var(--accent-cyan);
            background: rgba(6, 214, 160, 0.08);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent-cyan);
        }
        .nav-badge {
            font-size: 0.7rem;
            background: var(--accent-red);
            color: #fff;
            padding: 2px 6px;
            border-radius: 10px;
            font-weight: 700;
            letter-spacing: 0.5px;
            animation: pulse-badge 1.8s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.55;
            }
        }
        .mobile-menu-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            background: var(--surface);
            transition: all var(--transition-fast);
        }
        .mobile-menu-btn span {
            display: block;
            width: 24px;
            height: 2.5px;
            border-radius: 3px;
            background: var(--text-primary);
            transition: all var(--transition-base);
        }
        .mobile-menu-btn:hover {
            border-color: var(--accent-cyan);
        }

        /* ===== HERO ===== */
        .hero-section {
            position: relative;
            padding: 60px 0 50px;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-section .container {
            position: relative;
            z-index: 1;
        }
        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .hero-text h1 .hl {
            color: var(--accent-cyan);
        }
        .hero-text .hero-desc {
            font-size: 1.08rem;
            color: var(--text-secondary);
            margin-bottom: 22px;
            line-height: 1.7;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.4px;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent-cyan);
            color: #0a0e17;
            box-shadow: var(--shadow-glow-cyan);
        }
        .btn-primary:hover {
            background: #10f0b8;
            box-shadow: 0 0 28px rgba(6, 214, 160, 0.45);
            transform: translateY(-2px);
        }
        .btn-outline {
            border: 2px solid var(--border-light);
            color: var(--text-primary);
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(6, 214, 160, 0.05);
            transform: translateY(-2px);
        }
        .hero-data-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .hero-data-card {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 18px 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all var(--transition-base);
        }
        .hero-data-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-3px);
        }
        .hero-data-card .league-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.1rem;
            color: #fff;
        }
        .hero-data-card .league-info {
            flex: 1;
            min-width: 0;
        }
        .hero-data-card .league-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
            margin-bottom: 3px;
        }
        .hero-data-card .league-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .hero-data-card .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-red);
            animation: pulse-badge 1.8s ease-in-out infinite;
            flex-shrink: 0;
        }

        /* ===== SECTION COMMON ===== */
        .section {
            padding: 56px 0;
        }
        .section-dark {
            background: var(--primary-dark);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
            text-align: center;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 36px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== DATA OVERVIEW CARDS ===== */
        .data-overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-stat-card {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .data-stat-card:hover {
            border-color: var(--accent-blue);
            box-shadow: var(--shadow-glow-blue);
            transform: translateY(-3px);
        }
        .data-stat-card .stat-value {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-cyan);
            letter-spacing: 1px;
            margin-bottom: 4px;
        }
        .data-stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .data-stat-card .stat-trend {
            font-size: 0.78rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .trend-up {
            color: var(--accent-cyan);
        }
        .trend-hot {
            color: var(--accent-orange);
        }
        .trend-live {
            color: var(--accent-red);
        }

        /* ===== LEAGUE RANKING TABLE ===== */
        .ranking-block {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            overflow-x: auto;
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 640px;
        }
        .ranking-table th {
            text-align: left;
            padding: 12px 10px;
            color: var(--text-muted);
            font-weight: 600;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            border-bottom: 2px solid var(--border-color);
            white-space: nowrap;
        }
        .ranking-table td {
            padding: 12px 10px;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .ranking-table tbody tr {
            transition: all var(--transition-fast);
        }
        .ranking-table tbody tr:hover {
            background: rgba(6, 214, 160, 0.04);
        }
        .rank-num {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--accent-cyan);
            width: 36px;
            text-align: center;
        }
        .team-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .team-badge .team-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 900;
            color: #fff;
        }
        .win-rate-bar {
            display: inline-block;
            height: 6px;
            border-radius: 3px;
            background: var(--accent-cyan);
            vertical-align: middle;
            margin-right: 6px;
        }

        /* ===== LEAGUE CARDS GRID ===== */
        .league-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .league-card {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            overflow: hidden;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .league-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .league-card .card-img-wrap {
            position: relative;
            height: 170px;
            overflow: hidden;
        }
        .league-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .league-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .league-card .card-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent-orange);
            color: #0a0e17;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }
        .league-card .card-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .league-card .card-title {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .league-card .card-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            flex: 1;
            line-height: 1.55;
        }
        .league-card .card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: rgba(6, 214, 160, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(6, 214, 160, 0.2);
        }
        .tag-blue {
            background: rgba(59, 130, 246, 0.1);
            color: var(--accent-blue);
            border: 1px solid rgba(59, 130, 246, 0.2);
        }
        .tag-purple {
            background: rgba(139, 92, 246, 0.1);
            color: var(--accent-purple);
            border: 1px solid rgba(139, 92, 246, 0.2);
        }
        .tag-orange {
            background: rgba(245, 158, 11, 0.1);
            color: var(--accent-orange);
            border: 1px solid rgba(245, 158, 11, 0.2);
        }
        .card-link {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--accent-cyan);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .card-link:hover {
            gap: 8px;
        }

        /* ===== NEWS LIST ===== */
        .news-list {
            display: grid;
            gap: 12px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 18px;
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            transition: all var(--transition-base);
        }
        .news-item:hover {
            border-color: var(--accent-blue);
            box-shadow: var(--shadow-md);
            background: var(--surface-light);
        }
        .news-item .news-date {
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--text-muted);
            min-width: 70px;
            font-weight: 500;
        }
        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-title {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-item .news-summary {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .news-item .news-badge {
            flex-shrink: 0;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 10px;
            font-weight: 700;
            letter-spacing: 0.4px;
        }
        .badge-new {
            background: var(--accent-cyan);
            color: #0a0e17;
        }
        .badge-hot {
            background: var(--accent-red);
            color: #fff;
        }
        .badge-rec {
            background: var(--accent-purple);
            color: #fff;
        }

        /* ===== TESTIMONIALS ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            border-color: var(--accent-purple);
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .stars {
            color: var(--accent-orange);
            font-size: 0.9rem;
            letter-spacing: 2px;
            margin-bottom: 10px;
        }
        .testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
            font-style: italic;
        }
        .testimonial-card .author {
            font-size: 0.82rem;
            color: var(--text-muted);
            font-weight: 600;
        }
        .testimonial-card .author-tag {
            font-size: 0.72rem;
            color: var(--accent-cyan);
            display: block;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 10px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--accent-cyan);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 16px 20px;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(6, 214, 160, 0.03);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1.3rem;
            color: var(--accent-cyan);
            transition: transform var(--transition-base);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item.open {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }

        /* ===== ECO TAGS ===== */
        .eco-tags-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .eco-tag-card {
            background: var(--surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 22px 16px;
            text-align: center;
            transition: all var(--transition-base);
        }
        .eco-tag-card:hover {
            border-color: var(--accent-blue);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .eco-tag-card .eco-icon {
            font-size: 2rem;
            margin-bottom: 8px;
            display: block;
        }
        .eco-tag-card .eco-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .eco-tag-card .eco-desc {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), #0d1520);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
            padding: 50px 0;
        }
        .cta-section .cta-title {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .cta-section .cta-desc {
            color: var(--text-muted);
            margin-bottom: 22px;
            font-size: 0.95rem;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 440px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 11px 16px;
            border-radius: var(--radius-md);
            border: 2px solid var(--border-color);
            background: var(--surface);
            color: var(--text-primary);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast);
        }
        .subscribe-form input:focus {
            border-color: var(--accent-cyan);
            outline: none;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--primary-dark);
            border-top: 1px solid var(--border-color);
            padding: 44px 0 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-brand .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-primary);
            display: block;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.6;
            color: var(--text-muted);
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: 0.4px;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.82rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 18px;
            border-top: 1px solid var(--border-color);
            font-size: 0.76rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2px 8px;
            line-height: 2;
        }
        .footer-bottom .sep {
            color: var(--border-light);
            user-select: none;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-text h1 {
                font-size: 2.1rem;
            }
            .hero-data-cards {
                grid-template-columns: 1fr 1fr;
            }
            .data-overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .league-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .eco-tags-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .main-nav a {
                padding: 7px 10px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .site-header {
                height: auto;
                min-height: 56px;
                padding: 8px 0;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(17, 24, 39, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 2px;
                border-bottom: 2px solid var(--border-color);
                z-index: 999;
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 14px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
                justify-content: space-between;
            }
            .main-nav a.active::after {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .hero-section {
                padding: 36px 0 30px;
            }
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .hero-data-cards {
                grid-template-columns: 1fr;
            }
            .data-overview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .league-cards-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .eco-tags-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .news-item {
                flex-wrap: wrap;
                gap: 8px;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            :root {
                --header-height: 56px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-text h1 {
                font-size: 1.4rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn {
                justify-content: center;
                width: 100%;
            }
            .data-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-stat-card {
                padding: 14px 10px;
            }
            .data-stat-card .stat-value {
                font-size: 1.4rem;
            }
            .league-cards-grid {
                grid-template-columns: 1fr;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                min-width: auto;
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 2px;
                text-align: center;
            }
            .footer-bottom .sep {
                display: none;
            }
            .ranking-table {
                font-size: 0.75rem;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #060b14;
            --bg-primary: #0a0f1d;
            --bg-card: #111827;
            --bg-card-hover: #1a2332;
            --bg-elevated: #161e2c;
            --accent-cyan: #00e5ff;
            --accent-blue: #1a6dff;
            --accent-purple: #7c3aed;
            --accent-green: #10b981;
            --accent-orange: #f59e0b;
            --accent-red: #ef4444;
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --text-muted: #8899aa;
            --border-subtle: #1e2a3a;
            --border-card: #223044;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
            --shadow-glow-cyan: 0 0 20px rgba(0, 229, 255, 0.25);
            --shadow-glow-blue: 0 0 18px rgba(26, 109, 255, 0.3);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --container-max: 1240px;
            --nav-height: 64px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 15, 29, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-sm);
            transition: background var(--transition-normal);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 16px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--text-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            font-weight: 900;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow-cyan);
        }
        .logo-link .logo-accent {
            color: var(--accent-cyan);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav a.active {
            color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.08);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(0, 229, 255, 0.2);
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 14px;
            right: 14px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 2px 2px 0 0;
            box-shadow: var(--shadow-glow-cyan);
        }
        .nav-badge {
            font-size: 0.65rem;
            padding: 2px 6px;
            border-radius: 10px;
            background: var(--accent-red);
            color: #fff;
            font-weight: 700;
            letter-spacing: 0.5px;
            animation: pulse-badge 1.6s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.55;
            }
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(6, 11, 20, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            z-index: 99;
            flex-direction: column;
            padding: 16px 20px;
            gap: 6px;
            overflow-y: auto;
        }
        .mobile-nav-panel.open {
            display: flex;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active {
            color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.07);
        }
        .mobile-nav-panel a.active {
            font-weight: 600;
            border-left: 3px solid var(--accent-cyan);
        }

        /* Hero Section */
        .hero-data {
            position: relative;
            padding: 48px 0 40px;
            background: var(--bg-primary);
            overflow: hidden;
        }
        .hero-data::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
            filter: saturate(0.6) brightness(0.7);
        }
        .hero-data::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-deep), transparent);
            z-index: 1;
            pointer-events: none;
        }
        .hero-data .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.4px;
        }
        .hero-badge.live-badge {
            background: rgba(239, 68, 68, 0.18);
            color: #f87171;
            border: 1px solid rgba(239, 68, 68, 0.35);
            animation: pulse-badge 1.6s ease-in-out infinite;
        }
        .hero-badge.update-badge {
            background: rgba(0, 229, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 229, 255, 0.25);
        }
        .hero-title {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: #fff;
        }
        .hero-title .hl {
            color: var(--accent-cyan);
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 28px;
            max-width: 650px;
            line-height: 1.6;
        }

        /* Data Mini Cards Grid */
        .data-mini-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            margin-bottom: 24px;
        }
        .data-mini-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 14px 15px;
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .data-mini-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 255, 0.35);
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-2px);
        }
        .data-mini-card .dm-value {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.01em;
            line-height: 1.2;
            font-family: var(--font-mono);
        }
        .data-mini-card .dm-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
            font-weight: 500;
        }
        .data-mini-card .dm-trend {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-top: 3px;
            padding: 2px 6px;
            border-radius: 10px;
        }
        .dm-trend.up {
            color: #10b981;
            background: rgba(16, 185, 129, 0.1);
        }
        .dm-trend.down {
            color: #f87171;
            background: rgba(248, 113, 113, 0.1);
        }
        .dm-trend.neutral {
            color: #f59e0b;
            background: rgba(245, 158, 11, 0.1);
        }
        .data-mini-card .dm-dot {
            position: absolute;
            top: 8px;
            right: 10px;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 8px var(--accent-green);
        }
        .data-mini-card .dm-dot.live-dot {
            background: var(--accent-red);
            box-shadow: 0 0 10px var(--accent-red);
            animation: pulse-badge 1s ease-in-out infinite;
        }
        .hero-action-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 11px 22px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.2px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent-blue), #3b82f6);
            color: #fff;
            box-shadow: var(--shadow-glow-blue);
            border: none;
        }
        .btn-primary:hover {
            box-shadow: 0 0 28px rgba(26, 109, 255, 0.5);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--border-card);
            color: var(--text-primary);
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.04);
        }
        .btn-ghost {
            background: transparent;
            color: var(--accent-cyan);
            padding: 8px 14px;
            font-weight: 500;
        }
        .btn-ghost:hover {
            background: rgba(0, 229, 255, 0.06);
        }

        /* Section Common */
        .section {
            padding: 52px 0;
        }
        .section-dark {
            background: var(--bg-primary);
        }
        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* Hot Rank */
        .hot-rank-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }
        .hot-rank-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 18px 16px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-fast);
            cursor: pointer;
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .hot-rank-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 255, 0.3);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .hot-rank-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
            color: #fff;
        }
        .hot-rank-num.r1 {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            box-shadow: 0 0 14px rgba(245, 158, 11, 0.4);
        }
        .hot-rank-num.r2 {
            background: linear-gradient(135deg, #94a3b8, #cbd5e1);
            box-shadow: 0 0 12px rgba(148, 163, 184, 0.3);
            color: #1e293b;
        }
        .hot-rank-num.r3 {
            background: linear-gradient(135deg, #cd7836, #e09a5c);
            box-shadow: 0 0 12px rgba(205, 120, 54, 0.35);
        }
        .hot-rank-num.rn {
            background: var(--bg-elevated);
            color: var(--text-secondary);
            border: 1px solid var(--border-card);
        }
        .hot-rank-info h4 {
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 3px;
        }
        .hot-rank-info .hr-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .hot-rank-tag {
            font-size: 0.68rem;
            padding: 2px 7px;
            border-radius: 10px;
            font-weight: 600;
        }
        .hot-rank-tag.hot {
            background: rgba(239, 68, 68, 0.15);
            color: #f87171;
        }
        .hot-rank-tag.rising {
            background: rgba(16, 185, 129, 0.12);
            color: #10b981;
        }

        /* Service Cards */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }
        .service-card:hover {
            background: var(--bg-card-hover);
            border-color: rgba(26, 109, 255, 0.35);
            box-shadow: var(--shadow-glow-blue);
            transform: translateY(-3px);
        }
        .service-card .svc-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: #fff;
        }
        .svc-icon.ic-blue {
            background: linear-gradient(135deg, #1a6dff, #3b82f6);
            box-shadow: 0 0 16px rgba(26, 109, 255, 0.3);
        }
        .svc-icon.ic-cyan {
            background: linear-gradient(135deg, #00bcd4, #00e5ff);
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.3);
        }
        .svc-icon.ic-purple {
            background: linear-gradient(135deg, #7c3aed, #a78bfa);
            box-shadow: 0 0 16px rgba(124, 58, 237, 0.3);
        }
        .svc-icon.ic-green {
            background: linear-gradient(135deg, #059669, #10b981);
            box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
        }
        .service-card h4 {
            font-weight: 600;
            color: #fff;
            margin-bottom: 6px;
            font-size: 0.95rem;
        }
        .service-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Topic Cards */
        .topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }
        .topic-card:hover {
            border-color: rgba(0, 229, 255, 0.35);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .topic-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            display: block;
        }
        .topic-card-body {
            padding: 14px 15px;
        }
        .topic-card-body h4 {
            font-weight: 600;
            color: #fff;
            margin-bottom: 5px;
            font-size: 0.93rem;
        }
        .topic-card-body p {
            font-size: 0.78rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .topic-tag {
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 10px;
            background: rgba(0, 229, 255, 0.1);
            color: var(--accent-cyan);
            font-weight: 600;
            display: inline-block;
        }

        /* News Feed */
        .news-feed-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }
        .news-feed-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 15px 16px;
            display: flex;
            gap: 12px;
            transition: all var(--transition-fast);
            cursor: pointer;
            align-items: flex-start;
            box-shadow: var(--shadow-sm);
        }
        .news-feed-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(0, 229, 255, 0.25);
            box-shadow: var(--shadow-md);
        }
        .news-feed-img {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-feed-content h4 {
            font-weight: 600;
            color: #fff;
            font-size: 0.88rem;
            margin-bottom: 3px;
            line-height: 1.35;
        }
        .news-feed-content .nf-desc {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-feed-content .nf-date {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .news-badge-new {
            font-size: 0.62rem;
            padding: 1px 6px;
            border-radius: 8px;
            background: var(--accent-red);
            color: #fff;
            font-weight: 700;
            margin-left: 4px;
        }

        /* Stats Bar */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 14px;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            transition: all var(--transition-fast);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }
        .stat-item:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-mono);
            letter-spacing: -0.01em;
        }
        .stat-label {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 4px;
            font-weight: 500;
        }
        .stat-note {
            font-size: 0.68rem;
            color: var(--text-muted);
            margin-top: 2px;
            opacity: 0.7;
        }

        /* Process Steps */
        .process-row {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            justify-content: center;
            flex-wrap: wrap;
        }
        .process-step {
            flex: 1;
            min-width: 200px;
            max-width: 260px;
            text-align: center;
            padding: 24px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-card);
            position: relative;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .process-step:hover {
            border-color: rgba(0, 229, 255, 0.3);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .process-step .ps-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--accent-cyan);
            color: #0a0f1d;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 10px;
        }
        .process-step h4 {
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Reviews */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .review-card:hover {
            border-color: rgba(0, 229, 255, 0.25);
            box-shadow: var(--shadow-md);
        }
        .review-stars {
            color: #f59e0b;
            font-size: 0.85rem;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }
        .review-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 10px;
        }
        .review-author {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-pill {
            padding: 8px 16px;
            border-radius: 22px;
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: 1px solid var(--border-card);
            background: var(--bg-card);
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .tag-pill:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.05);
            box-shadow: var(--shadow-glow-cyan);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: rgba(0, 229, 255, 0.2);
        }
        .faq-q {
            padding: 16px 20px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.95rem;
            transition: background var(--transition-fast);
        }
        .faq-q:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-q .faq-arrow {
            transition: transform var(--transition-normal);
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--accent-cyan);
        }
        .faq-a {
            padding: 0 20px 16px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* CTA */
        .cta-section {
            text-align: center;
            padding: 56px 0;
            background: var(--bg-primary);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-title {
            font-size: clamp(1.4rem, 2.5vw, 1.8rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-desc {
            color: var(--text-muted);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-input-row {
            display: flex;
            gap: 10px;
            max-width: 440px;
            margin: 0 auto 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            border: 1.5px solid var(--border-card);
            background: var(--bg-card);
            color: #fff;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .cta-input:focus {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            outline: none;
        }
        .cta-input::placeholder {
            color: var(--text-muted);
        }

        /* Update Log */
        .update-log-list {
            max-width: 700px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .update-log-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 12px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .update-log-item:hover {
            border-color: rgba(0, 229, 255, 0.2);
        }
        .update-log-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
            font-family: var(--font-mono);
            padding-top: 2px;
        }
        .update-log-content {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .update-log-content strong {
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: #050912;
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 28px;
        }
        .footer-brand .logo-text {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
        }
        .footer-brand p {
            margin-top: 10px;
            font-size: 0.8rem;
            line-height: 1.6;
            color: var(--text-muted);
        }
        .footer-col h4 {
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            font-size: 0.8rem;
            padding: 3px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 10px;
            justify-content: center;
            font-size: 0.73rem;
            padding-top: 16px;
            border-top: 1px solid var(--border-subtle);
            align-items: center;
        }
        .footer-bottom .sep {
            color: #334155;
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .data-mini-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .hot-rank-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-feed-list {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: repeat(3, 1fr);
            }
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .data-mini-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .data-mini-card {
                padding: 10px 11px;
            }
            .data-mini-card .dm-value {
                font-size: 1.3rem;
            }
            .hot-rank-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .service-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .topic-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .news-feed-list {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .process-row {
                flex-direction: column;
                align-items: center;
            }
            .process-step {
                max-width: 100%;
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .section {
                padding: 36px 0;
            }
            .cta-input-row {
                flex-direction: column;
                align-items: center;
            }
        }
        @media (max-width: 520px) {
            .data-mini-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 6px;
            }
            .data-mini-card {
                padding: 8px 9px;
                border-radius: var(--radius-sm);
            }
            .data-mini-card .dm-value {
                font-size: 1.1rem;
            }
            .data-mini-card .dm-label {
                font-size: 0.7rem;
            }
            .hot-rank-grid {
                grid-template-columns: 1fr;
            }
            .service-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .topic-grid {
                grid-template-columns: 1fr;
            }
            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 6px;
            }
            .stat-item {
                padding: 14px 8px;
            }
            .stat-value {
                font-size: 1.3rem;
            }
            .tag-cloud {
                gap: 6px;
            }
            .tag-pill {
                padding: 6px 11px;
                font-size: 0.73rem;
            }
            .container {
                padding: 0 12px;
            }
            .btn {
                padding: 9px 16px;
                font-size: 0.85rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-deep: #0a0e17;
            --bg-card: #111827;
            --bg-surface: #1a1f2b;
            --text-primary: #ffffff;
            --text-secondary: #b0b8c1;
            --text-muted: #6b7280;
            --accent-cyan: #00e5ff;
            --accent-orange: #ff6d00;
            --accent-green: #10b981;
            --accent-purple: #8b5cf6;
            --border-default: rgba(255, 255, 255, 0.08);
            --border-active: rgba(255, 255, 255, 0.18);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 32px rgba(0, 229, 255, 0.15);
            --container-max: 1280px;
            --section-gap: 80px;
            --nav-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', 'Noto Sans', system-ui, sans-serif;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, opacity 0.2s ease;
        }

        ul {
            list-style: none;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 14, 23, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-default);
            height: var(--nav-height);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            white-space: nowrap;
            display: flex;
            align-items: baseline;
            gap: 2px;
        }

        .logo .brand {
            color: white;
        }
        .logo .accent {
            color: var(--accent-cyan);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
        }

        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }

        .main-nav a.active {
            color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.08);
        }

        .nav-badge {
            background: #ef4444;
            color: white;
            font-size: 0.65rem;
            padding: 1px 6px;
            border-radius: 10px;
            margin-left: 6px;
            font-weight: 600;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            padding: 4px;
        }

        /* Hero */
        .hero-leagues {
            background: linear-gradient(135deg, rgba(10, 14, 23, 0.7) 0%, rgba(15, 28, 45, 0.85) 100%),
            url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
        }

        .hero-leagues .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 229, 255, 0.15);
            color: var(--accent-cyan);
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

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

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0 auto 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.25s;
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background: var(--accent-cyan);
            color: #0a0e17;
            box-shadow: 0 4px 14px rgba(0, 229, 255, 0.3);
        }

        .btn-primary:hover {
            background: #00cde0;
            box-shadow: 0 6px 20px rgba(0, 229, 255, 0.5);
            transform: translateY(-1px);
        }

        .btn-outline {
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(0, 229, 255, 0.1);
        }

        /* Mini stats bar */
        .stats-bar {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            margin-top: 48px;
            background: rgba(17, 24, 39, 0.7);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-active);
            border-radius: var(--radius-lg);
            padding: 24px 32px;
        }

        .stat-item {
            text-align: center;
            min-width: 100px;
        }

        .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
        }

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

        .stat-trend {
            font-size: 0.75rem;
            color: var(--accent-green);
            margin-top: 2px;
        }

        /* Section generic */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

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

        /* League cards grid */
        .leagues-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .league-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-default);
            transition: transform 0.25s, box-shadow 0.25s, border-color 0.2s;
            display: flex;
            flex-direction: column;
        }

        .league-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 229, 255, 0.4);
        }

        .league-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .league-card-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent-orange);
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 10px;
            border-radius: 12px;
            font-weight: 600;
        }

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

        .league-card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .league-card-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex: 1;
        }

        .league-card-stats {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .league-card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.9rem;
        }

        .bg-cover-1 {
            background-image: url('/assets/images/coverpic/cover-1.webp');
        }
        .bg-cover-2 {
            background-image: url('/assets/images/coverpic/cover-2.webp');
        }
        .bg-cover-3 {
            background-image: url('/assets/images/coverpic/cover-3.webp');
        }
        .bg-cover-4 {
            background-image: url('/assets/images/coverpic/cover-4.webp');
        }
        .bg-cover-5 {
            background-image: url('/assets/images/coverpic/cover-5.webp');
        }
        .bg-cover-6 {
            background-image: url('/assets/images/coverpic/cover-6.webp');
        }

        /* Timeline / Highlights */
        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .highlight-item {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: 24px;
            border-left: 4px solid var(--accent-cyan);
            transition: background 0.2s;
        }

        .highlight-item:hover {
            background: #1e2535;
        }

        .highlight-icon {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }

        .highlight-title {
            font-weight: 700;
            margin-bottom: 6px;
        }

        .highlight-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-default);
            position: relative;
        }

        .testimonial-rating {
            color: #f59e0b;
            margin-bottom: 12px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-author {
            font-weight: 600;
            color: var(--accent-cyan);
            font-size: 0.9rem;
        }

        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-default);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            padding: 20px 24px;
            transition: border-color 0.2s;
        }

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

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .faq-question::before {
            content: "Q";
            color: var(--accent-cyan);
            font-weight: 800;
            font-size: 1.2rem;
        }

        .faq-answer {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            padding-left: 28px;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, #0f1c2e 0%, #111827 100%);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            border: 1px solid var(--border-active);
        }

        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-desc {
            color: var(--text-secondary);
            margin-bottom: 32px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border-default);
            padding: 60px 0 30px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-col h4 {
            font-weight: 600;
            margin-bottom: 16px;
            font-size: 1rem;
        }

        .footer-col a {
            display: block;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 8px;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-default);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 8px 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: center;
        }

        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        .sep {
            color: #374151;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .stats-bar {
                gap: 16px;
                padding: 20px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            .main-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.98);
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--border-active);
                backdrop-filter: blur(12px);
            }
            .main-nav.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .cta-title {
                font-size: 1.6rem;
            }
            .stats-bar {
                flex-direction: column;
                align-items: center;
            }
            .footer-bottom {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .leagues-grid,
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0a0e14;
            --bg-secondary: #111720;
            --bg-card: #161c26;
            --bg-card-hover: #1c2330;
            --bg-elevated: #1a2130;
            --text-primary: #e8ecf1;
            --text-secondary: #b0b8c4;
            --text-muted: #6b7280;
            --accent-cyan: #00d4aa;
            --accent-cyan-dim: rgba(0, 212, 170, 0.15);
            --accent-blue: #3b82f6;
            --accent-blue-dim: rgba(59, 130, 246, 0.12);
            --accent-orange: #f59e0b;
            --accent-red: #ef4444;
            --accent-purple: #8b5cf6;
            --border-color: #252d3a;
            --border-light: #2a3342;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 40px rgba(0, 212, 170, 0.08);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', monospace;
            --container-max: 1280px;
            --container-narrow: 960px;
            --nav-height: 64px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            font-size: 16px;
        }

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

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

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

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

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: var(--container-narrow);
        }

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 14, 20, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            height: var(--nav-height);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo-section {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent-cyan), #00a382);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            color: #fff;
            letter-spacing: -0.5px;
            box-shadow: 0 0 20px rgba(0, 212, 170, 0.3);
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent-cyan);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.2px;
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav a.active {
            color: var(--accent-cyan);
            background: var(--accent-cyan-dim);
            font-weight: 600;
        }
        .nav-badge {
            display: inline-block;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.65rem;
            padding: 2px 6px;
            border-radius: 3px;
            font-weight: 700;
            letter-spacing: 0.5px;
            animation: pulse-badge 1.8s ease-in-out infinite;
            margin-left: 3px;
            vertical-align: middle;
            line-height: 1.2;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.55;
            }
        }
        .nav-search-btn {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            margin-left: 8px;
            flex-shrink: 0;
        }
        .nav-search-btn:hover {
            color: #fff;
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 6px;
            border-radius: var(--radius-xs);
            line-height: 1;
        }

        /* Hero */
        .hero-section {
            padding: 56px 0 48px;
            background: linear-gradient(180deg, #0d1320 0%, var(--bg-primary) 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 212, 170, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
        }
        .hero-breadcrumb {
            display: flex;
            gap: 6px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            align-items: center;
        }
        .hero-breadcrumb a {
            color: var(--text-muted);
        }
        .hero-breadcrumb a:hover {
            color: var(--accent-cyan);
        }
        .hero-breadcrumb .sep {
            color: var(--text-muted);
        }
        .hero-breadcrumb .current {
            color: var(--accent-cyan);
        }
        .hero-top {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 32px;
            align-items: start;
            margin-bottom: 28px;
        }
        .hero-headline-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all var(--transition-normal);
            cursor: pointer;
            display: flex;
            min-height: 280px;
            position: relative;
        }
        .hero-headline-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .hero-headline-img {
            width: 45%;
            flex-shrink: 0;
            background: url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
            position: relative;
            min-height: 280px;
        }
        .hero-headline-img .badge-live {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent-red);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-xs);
            letter-spacing: 0.5px;
            animation: pulse-badge 1.8s ease-in-out infinite;
        }
        .hero-headline-body {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        .hero-headline-tag {
            display: inline-block;
            background: var(--accent-cyan-dim);
            color: var(--accent-cyan);
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-xs);
            margin-bottom: 10px;
            letter-spacing: 0.3px;
            width: fit-content;
        }
        .hero-headline-body h1 {
            font-size: 1.5rem;
            font-weight: 700;
            line-height: 1.35;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.2px;
        }
        .hero-headline-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 12px;
        }
        .hero-headline-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-side-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .hero-side-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 13px 16px;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hero-side-item:hover {
            border-color: var(--accent-blue);
            background: var(--bg-card-hover);
            transform: translateX(3px);
        }
        .hero-side-item .side-num {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-cyan);
            flex-shrink: 0;
            width: 28px;
            text-align: center;
        }
        .hero-side-item .side-info {
            flex: 1;
            min-width: 0;
        }
        .hero-side-item .side-title {
            font-size: 0.85rem;
            font-weight: 500;
            color: #fff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hero-side-item .side-meta {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .hero-side-item .side-badge {
            font-size: 0.65rem;
            padding: 2px 7px;
            border-radius: 3px;
            font-weight: 600;
            flex-shrink: 0;
        }
        .badge-hot {
            background: rgba(239, 68, 68, 0.18);
            color: var(--accent-red);
        }
        .badge-new {
            background: rgba(0, 212, 170, 0.18);
            color: var(--accent-cyan);
        }
        .badge-rec {
            background: rgba(139, 92, 246, 0.18);
            color: var(--accent-purple);
        }
        .hero-tags-row {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .hero-tags-row a {
            padding: 7px 15px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .hero-tags-row a:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: var(--accent-cyan-dim);
        }
        .hero-stats-strip {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
            margin-top: 20px;
        }
        .hero-stat-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            text-align: center;
            transition: all var(--transition-fast);
        }
        .hero-stat-item:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
        }
        .hero-stat-value {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: -0.5px;
        }
        .hero-stat-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .hero-stat-trend {
            font-size: 0.7rem;
            font-weight: 600;
            margin-top: 4px;
        }
        .trend-up {
            color: #10b981;
        }
        .trend-stable {
            color: var(--accent-orange);
        }
        .trend-down {
            color: var(--accent-red);
        }

        /* Section common */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-header {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-header h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.3px;
            position: relative;
            padding-left: 16px;
        }
        .section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            background: var(--accent-cyan);
            border-radius: 2px;
        }
        .section-header .view-all {
            font-size: 0.85rem;
            color: var(--accent-cyan);
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .section-header .view-all:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        /* News Cards Grid */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }
        .news-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: var(--bg-elevated);
            position: relative;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            font-size: 0.65rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 3px;
            letter-spacing: 0.4px;
            z-index: 2;
        }
        .news-card-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-body h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-body p {
            font-size: 0.78rem;
            color: var(--text-secondary);
            line-height: 1.5;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .news-card-meta {
            font-size: 0.7rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .news-card-meta .tag-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
            margin-right: 4px;
        }
        .dot-lol {
            background: #c8a951;
        }
        .dot-dota {
            background: #e74c3c;
        }
        .dot-cs {
            background: #f59e0b;
        }
        .dot-val {
            background: #ff4655;
        }
        .dot-kog {
            background: #3b82f6;
        }
        .dot-pubg {
            background: #f0b90b;
        }

        /* Featured Section */
        .featured-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 16px;
        }
        .featured-main {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .featured-main:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .featured-main-img {
            width: 100%;
            aspect-ratio: 16 / 9;
            background: url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
            position: relative;
        }
        .featured-main-body {
            padding: 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-main-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .featured-main-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.55;
            margin-bottom: 10px;
        }
        .featured-side {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .featured-side-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            cursor: pointer;
            transition: all var(--transition-fast);
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-side-item:hover {
            border-color: var(--accent-blue);
            background: var(--bg-card-hover);
            transform: translateX(3px);
        }
        .featured-side-item h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .featured-side-item p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Topics Grid */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            cursor: pointer;
            transition: all var(--transition-normal);
            position: relative;
        }
        .topic-card:hover {
            border-color: var(--accent-purple);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .topic-card-img {
            width: 100%;
            aspect-ratio: 3 / 2;
            object-fit: cover;
            background: var(--bg-elevated);
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-card-body {
            padding: 18px;
        }
        .topic-card-body h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
        }
        .topic-card-body p {
            font-size: 0.75rem;
            color: var(--text-muted);
            line-height: 1.4;
        }
        .topic-card-body .topic-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .topic-card-body .topic-tags span {
            font-size: 0.68rem;
            padding: 3px 9px;
            border-radius: 12px;
            background: var(--bg-elevated);
            color: var(--text-secondary);
            border: 1px solid var(--border-light);
        }

        /* Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-cloud a {
            padding: 9px 18px;
            border-radius: 22px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            background: var(--bg-card);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag-cloud a:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: var(--accent-cyan-dim);
            transform: translateY(-1px);
        }
        .tag-cloud a.tag-lg {
            font-size: 1rem;
            font-weight: 600;
            padding: 11px 22px;
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: var(--accent-cyan-dim);
        }

        /* Data overview */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px;
            text-align: center;
            transition: all var(--transition-fast);
        }
        .data-card:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-sm);
        }
        .data-card-icon {
            font-size: 2rem;
            margin-bottom: 8px;
        }
        .data-card-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
        }
        .data-card-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .data-card-note {
            font-size: 0.7rem;
            margin-top: 6px;
            font-weight: 500;
        }

        /* Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px;
            transition: all var(--transition-fast);
        }
        .review-card:hover {
            border-color: var(--accent-blue);
            background: var(--bg-card-hover);
        }
        .review-stars {
            color: var(--accent-orange);
            font-size: 0.9rem;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        .review-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .review-author {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .review-author span {
            color: var(--accent-cyan);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--accent-cyan);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-question .faq-icon {
            font-size: 1.2rem;
            color: var(--accent-cyan);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, #0d1a24 0%, #0f1a2e 50%, #0d1320 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: 50%;
            transform: translateX(-50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 212, 170, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-inner h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-inner p {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            color: #fff;
            font-size: 0.9rem;
            transition: border-color var(--transition-fast);
        }
        .cta-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px var(--accent-cyan-dim);
        }
        .btn-primary {
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-cyan), #00a382);
            color: #000;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            box-shadow: 0 0 30px rgba(0, 212, 170, 0.4);
            transform: translateY(-1px);
        }
        .btn-secondary {
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--accent-cyan-dim);
            box-shadow: 0 0 20px rgba(0, 212, 170, 0.2);
        }

        /* Quick Nav */
        .quick-nav-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
        }
        .quick-nav-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 14px;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .quick-nav-card:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
            transform: translateY(-2px);
        }
        .quick-nav-card .nav-icon {
            font-size: 1.8rem;
            margin-bottom: 8px;
        }
        .quick-nav-card .nav-label {
            font-size: 0.8rem;
            font-weight: 500;
            color: #fff;
        }
        .quick-nav-card .nav-count {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            color: var(--text-secondary);
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-size: 1.1rem;
            display: inline-block;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            font-size: 0.8rem;
            color: var(--text-muted);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            text-align: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            justify-content: center;
            align-items: center;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom .sep {
            color: var(--border-color);
            margin: 0 2px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-headline-card {
                flex-direction: column;
                min-height: auto;
            }
            .hero-headline-img {
                width: 100%;
                min-height: 200px;
                aspect-ratio: 16 / 9;
            }
            .hero-stats-strip {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-grid {
                grid-template-columns: 1fr 1fr;
            }
            .featured-main {
                grid-column: 1 / -1;
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .quick-nav-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .main-nav a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 20, 0.97);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-color);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                z-index: 999;
            }
            .main-nav.show {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: 1fr 1fr;
            }
            .featured-grid {
                grid-template-columns: 1fr;
            }
            .topics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .quick-nav-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .hero-headline-body h1 {
                font-size: 1.25rem;
            }
            .hero-side-list {
                gap: 6px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-stats-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .hero-stat-value {
                font-size: 1.3rem;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .quick-nav-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
            }
            .hero-headline-body {
                padding: 16px;
            }
            .hero-headline-body h1 {
                font-size: 1.1rem;
            }
            .tag-cloud a {
                padding: 7px 13px;
                font-size: 0.75rem;
            }
            .hero-tags-row a {
                padding: 5px 11px;
                font-size: 0.7rem;
            }
        }

/* roulang page: category5 */
:root {
            --bg-deep: #060b14;
            --bg-surface: #0d1321;
            --bg-card: #111827;
            --bg-card-hover: #161f33;
            --bg-elevated: #182032;
            --text-primary: #e8ecf2;
            --text-secondary: #a8b5c8;
            --text-muted: #6b7a90;
            --accent-blue: #2563eb;
            --accent-cyan: #06b6d4;
            --accent-emerald: #10b981;
            --accent-amber: #f59e0b;
            --accent-rose: #f43f5e;
            --accent-purple: #8b5cf6;
            --border-subtle: #1e293b;
            --border-card: #263040;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.45);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.55);
            --shadow-glow-blue: 0 0 20px rgba(37, 99, 235, 0.25);
            --shadow-glow-cyan: 0 0 18px rgba(6, 182, 212, 0.22);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', 'Menlo', monospace;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --nav-height: 64px;
            --container-max: 1280px;
            --section-gap: 56px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-fast);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }
        input {
            font-family: inherit;
            outline: none;
            border: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ============ HEADER / NAV ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(13, 19, 33, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-normal);
        }
        .site-header.scrolled {
            background: rgba(11, 17, 28, 0.96);
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.25rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
            color: var(--text-primary);
            text-decoration: none;
            flex-shrink: 0;
        }
        .logo-link .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo-link .logo-accent {
            color: var(--accent-cyan);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .main-nav a.active {
            color: #fff;
            background: rgba(37, 99, 235, 0.18);
            font-weight: 600;
        }
        .main-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent-cyan);
        }
        .nav-badge {
            font-size: 0.68rem;
            font-weight: 700;
            padding: 1px 6px;
            border-radius: 3px;
            background: var(--accent-rose);
            color: #fff;
            letter-spacing: 0.04em;
            animation: pulse-badge 1.8s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 6px;
            border-radius: var(--radius-xs);
        }
        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ============ HERO ============ */
        .hero-section {
            position: relative;
            padding: 60px 0 50px;
            background: var(--bg-deep);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 55% 30%, rgba(37, 99, 235, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 30% 70%, rgba(6, 182, 212, 0.08) 0%, transparent 55%);
            z-index: 1;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-cyan);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            background: rgba(6, 182, 212, 0.1);
            border: 1px solid rgba(6, 182, 212, 0.25);
            padding: 6px 14px;
            border-radius: 20px;
            width: fit-content;
        }
        .hero-label .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-cyan);
            animation: pulse-dot 1.4s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-cyan);
            }
            50% {
                box-shadow: 0 0 14px var(--accent-cyan), 0 0 24px rgba(6, 182, 212, 0.5);
            }
        }
        .hero-title {
            font-size: clamp(1.8rem, 3.5vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 0.03em;
            color: #fff;
            max-width: 720px;
        }
        .hero-title .highlight {
            color: var(--accent-cyan);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }
        .hero-compare-preview {
            display: grid;
            grid-template-columns: 1fr 60px 1fr;
            gap: 0;
            align-items: stretch;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            max-width: 820px;
            box-shadow: var(--shadow-lg);
        }
        .compare-slot {
            display: flex;
            flex-direction: column;
            gap: 10px;
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all var(--transition-normal);
            position: relative;
        }
        .compare-slot:hover {
            border-color: var(--accent-blue);
            box-shadow: var(--shadow-glow-blue);
            background: var(--bg-elevated);
        }
        .compare-slot .slot-header {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .slot-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #1e3a5f, #2563eb);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            color: #fff;
            flex-shrink: 0;
        }
        .slot-name {
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
        }
        .slot-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--text-secondary);
        }
        .slot-stats span {
            display: flex;
            justify-content: space-between;
            gap: 6px;
        }
        .slot-stats .val {
            color: var(--accent-cyan);
            font-weight: 600;
            font-family: var(--font-mono);
            font-size: 0.76rem;
        }
        .compare-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.3rem;
            color: var(--accent-amber);
            letter-spacing: 0.06em;
            flex-shrink: 0;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 4px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent-blue);
            color: #fff;
            border: 1px solid transparent;
            box-shadow: var(--shadow-glow-blue);
        }
        .btn-primary:hover {
            background: #1d4ed8;
            box-shadow: 0 0 28px rgba(37, 99, 235, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-primary);
            border: 1px solid var(--border-card);
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(6, 182, 212, 0.06);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 0.8rem;
            border-radius: var(--radius-xs);
        }
        .btn-ghost {
            background: transparent;
            color: var(--accent-cyan);
            padding: 4px 0;
            font-weight: 500;
            font-size: 0.82rem;
            border-bottom: 1px solid transparent;
            border-radius: 0;
        }
        .btn-ghost:hover {
            border-bottom-color: var(--accent-cyan);
        }

        /* ============ SECTIONS ============ */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.03em;
            position: relative;
            padding-left: 14px;
        }
        .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            border-radius: 2px;
            background: var(--accent-cyan);
        }
        .section-subtitle {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* Data Overview Cards */
        .data-overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .data-mini-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-sm);
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 6px;
            transition: all var(--transition-fast);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }
        .data-mini-card:hover {
            border-color: var(--accent-blue);
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .data-mini-card .dmc-label {
            font-size: 0.72rem;
            font-weight: 500;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .data-mini-card .dmc-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
        }
        .data-mini-card .dmc-trend {
            font-size: 0.72rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .trend-up {
            color: var(--accent-emerald);
        }
        .trend-down {
            color: var(--accent-rose);
        }
        .trend-neutral {
            color: var(--text-muted);
        }
        .data-mini-card .live-dot {
            position: absolute;
            top: 10px;
            right: 12px;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-emerald);
            animation: pulse-dot 1.4s ease-in-out infinite;
        }

        /* Compare Tools Grid */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .tool-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .tool-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }
        .tool-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .tool-icon.blue {
            background: rgba(37, 99, 235, 0.2);
            color: var(--accent-blue);
        }
        .tool-icon.cyan {
            background: rgba(6, 182, 212, 0.2);
            color: var(--accent-cyan);
        }
        .tool-icon.purple {
            background: rgba(139, 92, 246, 0.2);
            color: var(--accent-purple);
        }
        .tool-icon.amber {
            background: rgba(245, 158, 11, 0.2);
            color: var(--accent-amber);
        }
        .tool-icon.emerald {
            background: rgba(16, 185, 129, 0.2);
            color: var(--accent-emerald);
        }
        .tool-icon.rose {
            background: rgba(244, 63, 94, 0.2);
            color: var(--accent-rose);
        }
        .tool-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .tool-card p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Hot Topics */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .topic-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .topic-card:hover {
            border-color: var(--accent-blue);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .topic-card .topic-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .topic-card .topic-img .topic-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 3px;
            background: rgba(0, 0, 0, 0.65);
            color: var(--accent-cyan);
            letter-spacing: 0.05em;
            backdrop-filter: blur(4px);
        }
        .topic-card .topic-body {
            padding: 16px 18px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .topic-card .topic-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
        }
        .topic-card .topic-body p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* Hot Rank */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .rank-item:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
        }
        .rank-num {
            font-size: 1.1rem;
            font-weight: 900;
            width: 32px;
            text-align: center;
            flex-shrink: 0;
            font-family: var(--font-mono);
        }
        .rank-num.top1 {
            color: var(--accent-amber);
        }
        .rank-num.top2 {
            color: #c0c0c0;
        }
        .rank-num.top3 {
            color: #cd7f32;
        }
        .rank-num.normal {
            color: var(--text-muted);
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info .rank-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: #fff;
        }
        .rank-info .rank-desc {
            font-size: 0.74rem;
            color: var(--text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .rank-heat {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-rose);
            flex-shrink: 0;
            font-family: var(--font-mono);
        }

        /* Service Cards */
        .service-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
            color: inherit;
        }
        .service-card:hover {
            border-color: var(--accent-blue);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            background: var(--bg-card-hover);
        }
        .service-card .svc-icon {
            font-size: 2rem;
            margin-bottom: 4px;
        }
        .service-card h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
        }
        .service-card p {
            font-size: 0.74rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* Update Log */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-height: 420px;
            overflow-y: auto;
        }
        .update-item {
            display: flex;
            gap: 12px;
            padding: 12px 14px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            cursor: pointer;
            align-items: flex-start;
        }
        .update-item:hover {
            border-color: var(--accent-blue);
            background: var(--bg-card-hover);
        }
        .update-date {
            font-size: 0.72rem;
            font-weight: 600;
            color: var(--accent-cyan);
            font-family: var(--font-mono);
            flex-shrink: 0;
            min-width: 80px;
        }
        .update-info h4 {
            font-size: 0.88rem;
            font-weight: 600;
            color: #fff;
        }
        .update-info p {
            font-size: 0.76rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-top: 2px;
        }

        /* Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: all var(--transition-fast);
        }
        .review-card:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
        }
        .review-stars {
            color: var(--accent-amber);
            font-size: 0.85rem;
            letter-spacing: 2px;
        }
        .review-text {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .review-author {
            font-size: 0.74rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--accent-cyan);
            background: var(--bg-card-hover);
        }
        .faq-item h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .faq-item p {
            font-size: 0.8rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Eco Tags */
        .eco-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .eco-tag {
            padding: 8px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .eco-tag:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            background: rgba(6, 182, 212, 0.06);
            box-shadow: var(--shadow-glow-cyan);
        }

        /* CTA */
        .cta-section {
            background: var(--bg-surface);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 14px;
            box-shadow: var(--shadow-md);
        }
        .cta-section h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
        }
        .cta-section p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 500px;
        }
        .cta-input-group {
            display: flex;
            gap: 8px;
            max-width: 420px;
            width: 100%;
        }
        .cta-input-group input {
            flex: 1;
            padding: 11px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            color: #fff;
            font-size: 0.9rem;
        }
        .cta-input-group input:focus {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }
        .cta-input-group .btn {
            flex-shrink: 0;
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-subtle);
            padding: 40px 0 24px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 28px;
        }
        .footer-brand .logo-text {
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 0.03em;
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 8px;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            font-size: 0.8rem;
            color: var(--text-secondary);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            justify-content: center;
            font-size: 0.74rem;
            color: var(--text-muted);
            text-align: center;
        }
        .footer-bottom .sep {
            color: var(--border-card);
            margin: 0 4px;
        }
        .footer-bottom a {
            color: var(--text-muted);
        }
        .footer-bottom a:hover {
            color: var(--accent-cyan);
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1024px) {
            .data-overview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .service-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-compare-preview {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px;
            }
            .compare-vs {
                font-size: 1rem;
                padding: 6px 0;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .main-nav.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-surface);
                border-bottom: 1px solid var(--border-card);
                padding: 12px 16px;
                gap: 4px;
                z-index: 999;
                box-shadow: var(--shadow-lg);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .data-overview-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tools-grid {
                grid-template-columns: 1fr 1fr;
            }
            .service-cards {
                grid-template-columns: 1fr 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-section {
                padding: 36px 0 32px;
            }
            .section {
                padding: 36px 0;
            }
            .cta-section {
                padding: 28px 18px;
            }
            .cta-input-group {
                flex-direction: column;
            }
            .hero-compare-preview {
                grid-template-columns: 1fr;
                gap: 10px;
                padding: 14px;
            }
            .compare-vs {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .data-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .service-cards {
                grid-template-columns: 1fr 1fr;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .data-mini-card .dmc-value {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 12px;
            }
        }