/* roulang page: index */
:root {
            --bg-deep: #0B1A3A;
            --bg-darker: #080C18;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(0, 229, 255, 0.25);
            --accent-cyan: #00E5FF;
            --accent-orange: #FF6B35;
            --text-primary: #E8ECF1;
            --text-secondary: #8899B4;
            --text-muted: #5A6D85;
            --text-bright: #FFFFFF;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-glow-cyan: 0 0 18px rgba(0, 229, 255, 0.18);
            --shadow-glow-orange: 0 0 18px rgba(255, 107, 53, 0.18);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.35);
            --sidebar-width: 260px;
            --topbar-height: 56px;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 15%, rgba(0, 229, 255, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 60%, rgba(255, 107, 53, 0.03) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 85%, rgba(0, 229, 255, 0.02) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            z-index: 0;
            opacity: 0.5;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
            transition: all var(--transition-fast);
            outline: none;
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .main-content {
            margin-left: var(--sidebar-width);
            position: relative;
            z-index: 1;
            min-height: 100vh;
            transition: margin-left var(--transition-normal);
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-darker);
            z-index: 100;
            display: flex;
            flex-direction: column;
            border-right: 1px solid var(--border-subtle);
            overflow-y: auto;
            transition: transform var(--transition-normal), opacity var(--transition-normal);
            box-shadow: 2px 0 24px rgba(0, 0, 0, 0.5);
        }

        .sidebar-logo {
            padding: 24px 20px 20px;
            border-bottom: 1px solid var(--border-subtle);
            flex-shrink: 0;
        }
        .sidebar-logo .logo-text {
            font-size: 1.6rem;
            font-weight: 800;
            letter-spacing: 0.06em;
            color: var(--text-bright);
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1;
        }
        .sidebar-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent-cyan);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #080C18;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow-cyan);
        }

        .sidebar-nav {
            flex: 1;
            padding: 12px 0;
            list-style: none;
        }
        .sidebar-nav li {
            margin: 2px 0;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
            position: relative;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .sidebar-nav a:hover {
            color: var(--text-bright);
            background: rgba(255, 255, 255, 0.03);
            border-left-color: var(--accent-cyan);
        }
        .sidebar-nav a.active {
            color: var(--text-bright);
            background: rgba(0, 229, 255, 0.06);
            border-left-color: var(--accent-cyan);
        }
        .sidebar-nav a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
            color: var(--accent-cyan);
            opacity: 0.7;
        }
        .sidebar-nav a:hover .nav-icon,
        .sidebar-nav a.active .nav-icon {
            opacity: 1;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-subtle);
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .sidebar-footer .status-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: #00E676;
            border-radius: 50%;
            margin-right: 6px;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 4px #00E676, 0 0 10px rgba(0, 230, 118, 0.4);
            }
            50% {
                box-shadow: 0 0 8px #00E676, 0 0 20px rgba(0, 230, 118, 0.7);
            }
        }

        .topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--bg-darker);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.5);
        }
        .topbar .topbar-logo {
            font-weight: 800;
            letter-spacing: 0.05em;
            color: var(--text-bright);
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .topbar .topbar-logo .logo-icon-sm {
            width: 28px;
            height: 28px;
            background: var(--accent-cyan);
            border-radius: 5px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #080C18;
            font-weight: 900;
            font-size: 0.85rem;
            box-shadow: var(--shadow-glow-cyan);
        }
        .topbar .hamburger {
            margin-left: auto;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
        }
        .topbar .hamburger:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 98;
            opacity: 0;
            transition: opacity var(--transition-normal);
            pointer-events: none;
        }
        .mobile-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .section {
            padding: 56px 0;
            position: relative;
        }
        .section-header {
            margin-bottom: 32px;
        }
        .section-header h2,
        .section-header h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-bright);
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }
        .section-header .section-subtitle {
            color: var(--text-secondary);
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }

        .card-glass {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .card-glass:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-2px);
        }
        .card-glass.card-glow-orange:hover {
            border-color: rgba(255, 107, 53, 0.3);
            box-shadow: var(--shadow-glow-orange);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-cyan);
            color: #080C18;
            font-weight: 700;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            box-shadow: 0 0 0 rgba(0, 229, 255, 0);
            cursor: pointer;
            border: none;
            text-decoration: none;
        }
        .btn-primary:hover {
            background: #33EAFF;
            box-shadow: 0 0 24px rgba(0, 229, 255, 0.4);
            transform: translateY(-1px);
            color: #080C18;
            text-decoration: none;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            color: var(--text-bright);
            font-weight: 600;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.2);
            text-decoration: none;
        }

        .tag-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: rgba(0, 229, 255, 0.1);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 229, 255, 0.2);
        }
        .tag-badge.orange {
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent-orange);
            border: 1px solid rgba(255, 107, 53, 0.2);
        }
        .tag-badge.green {
            background: rgba(0, 230, 118, 0.1);
            color: #00E676;
            border: 1px solid rgba(0, 230, 118, 0.2);
        }

        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
        }
        .live-indicator::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent-cyan);
            border-radius: 50%;
            animation: live-pulse 1.2s infinite;
        }
        @keyframes live-pulse {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-cyan), 0 0 12px rgba(0, 229, 255, 0.5);
            }
            50% {
                box-shadow: 0 0 10px var(--accent-cyan), 0 0 24px rgba(0, 229, 255, 0.9);
            }
        }

        .stat-number {
            font-family: "SF Mono", "JetBrains Mono", "Consolas", "Menlo", monospace;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text-bright);
        }

        .faq-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-card);
            transition: all var(--transition-fast);
        }
        .faq-item summary {
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.7rem;
            color: var(--accent-cyan);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item[open] summary {
            color: var(--accent-cyan);
        }
        .faq-item[open] {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow-cyan);
            background: rgba(0, 229, 255, 0.03);
        }
        .faq-item .faq-content {
            padding: 0 20px 18px;
            color: var(--text-secondary);
            font-size: 0.88rem;
            line-height: 1.7;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: all var(--transition-fast);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .review-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow-cyan);
            background: var(--bg-card-hover);
        }
        .review-stars {
            color: #FFB800;
            font-size: 0.82rem;
            letter-spacing: 2px;
        }

        .scroll-hint {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
            padding-bottom: 8px;
        }
        .scroll-hint::-webkit-scrollbar {
            height: 4px;
        }
        .scroll-hint::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-hint::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
        }

        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                opacity: 0;
                pointer-events: none;
            }
            .sidebar.mobile-open {
                transform: translateX(0);
                opacity: 1;
                pointer-events: auto;
                box-shadow: 4px 0 32px rgba(0, 0, 0, 0.7);
            }
            .main-content {
                margin-left: 0;
            }
            .topbar {
                display: flex;
            }
            .mobile-overlay {
                display: block;
            }
            .main-content {
                padding-top: var(--topbar-height);
            }
            .section {
                padding: 40px 0;
            }
            .container-main {
                padding: 0 16px;
            }
        }

        @media (max-width: 768px) {
            .section-header h2,
            .section-header h3 {
                font-size: 1.3rem;
            }
            .card-glass {
                padding: 14px;
            }
            .btn-primary {
                padding: 10px 20px;
                font-size: 0.88rem;
            }
            .btn-outline {
                padding: 8px 16px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 28px 0;
            }
            .container-main {
                padding: 0 10px;
            }
            .stat-number {
                font-size: 1.2rem;
            }
            .hero-live-cards {
                flex-direction: column;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0B1A3A;
            --bg-darker: #080C18;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --accent-cyan: #00E5FF;
            --accent-orange: #FF6B35;
            --accent-green: #00E676;
            --accent-red: #FF3D4F;
            --text-bright: #F0F4FA;
            --text-primary: #D0D8E8;
            --text-secondary: #9AA4B8;
            --text-muted: #6B7388;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(0, 229, 255, 0.30);
            --border-active: rgba(0, 229, 255, 0.55);
            --shadow-glow: 0 0 18px rgba(0, 229, 255, 0.12);
            --shadow-glow-strong: 0 0 28px rgba(0, 229, 255, 0.22);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.35);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --sidebar-width: 260px;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', 'Courier New', monospace;
        }

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

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

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            font-size: 15px;
            line-height: 1.65;
            color: var(--text-primary);
            background: var(--bg-deep);
            min-height: 100vh;
            background-image:
                radial-gradient(ellipse at 20% 15%, rgba(0, 229, 255, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 75% 70%, rgba(255, 107, 53, 0.03) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 40%, rgba(0, 180, 220, 0.03) 0%, transparent 60%);
            background-attachment: fixed;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

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

        input {
            font-family: inherit;
        }

        /* Sidebar */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-darker);
            border-right: 1px solid var(--border-subtle);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            transition: transform var(--transition-smooth);
            overflow-y: auto;
        }

        .sidebar-logo {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: 0.04em;
            color: var(--text-bright);
            transition: color var(--transition-fast);
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent-cyan);
            color: #080C18;
            border-radius: var(--radius-sm);
            font-weight: 900;
            font-size: 0.7rem;
            letter-spacing: 0.06em;
            flex-shrink: 0;
        }

        .sidebar-nav {
            list-style: none;
            padding: 12px 0;
            margin: 0;
            flex: 1;
        }

        .sidebar-nav li {
            margin: 2px 8px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
        }

        .sidebar-nav a:hover {
            background: var(--bg-card-hover);
            color: var(--text-bright);
        }

        .sidebar-nav a.active {
            background: rgba(0, 229, 255, 0.08);
            color: var(--accent-cyan);
            font-weight: 600;
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
        }

        .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 14px 18px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .status-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-cyan);
            animation: statusPulse 2s infinite;
            flex-shrink: 0;
        }

        @keyframes statusPulse {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-cyan), 0 0 10px rgba(0, 229, 255, 0.4);
            }
            50% {
                box-shadow: 0 0 8px var(--accent-cyan), 0 0 20px rgba(0, 229, 255, 0.7);
            }
        }

        /* Mobile Header */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 54px;
            background: var(--bg-darker);
            border-bottom: 1px solid var(--border-subtle);
            z-index: 999;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }

        .mobile-logo {
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: 0.03em;
            color: var(--text-bright);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .mobile-logo .logo-icon {
            width: 26px;
            height: 26px;
            font-size: 0.6rem;
            border-radius: 4px;
        }

        .hamburger-btn {
            background: none;
            border: 1px solid var(--border-subtle);
            color: var(--text-bright);
            font-size: 1.2rem;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }

        .hamburger-btn:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
            transition: opacity var(--transition-smooth);
        }

        .sidebar-overlay.active {
            display: block;
            opacity: 1;
        }

        /* Main Content */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            padding-top: 0;
        }

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* Hero Banner - Narrow */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(8, 12, 24, 0.92) 0%, rgba(11, 26, 58, 0.85) 50%, rgba(8, 12, 24, 0.9) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 48px 0 44px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
            opacity: 0.5;
        }

        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.25);
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            color: var(--accent-cyan);
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .live-indicator .blip {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            animation: blipPulse 1.2s infinite;
        }

        @keyframes blipPulse {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 4px var(--accent-cyan);
            }
            50% {
                opacity: 0.3;
                box-shadow: 0 0 14px var(--accent-cyan);
            }
        }

        /* Section */
        .section-block {
            padding: 44px 0;
        }

        .section-title {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--text-bright);
            letter-spacing: 0.03em;
            margin-bottom: 6px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 36px;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 1px;
        }

        .section-subtitle {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            margin-top: 8px;
            letter-spacing: 0.02em;
        }

        /* Cards */
        .data-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px 16px;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .data-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-1px);
        }

        .data-card.live-highlight {
            border-left: 3px solid var(--accent-cyan);
            background: rgba(0, 229, 255, 0.03);
        }

        .data-card.live-highlight:hover {
            border-left-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-strong);
        }

        /* Score display */
        .score-display {
            font-family: var(--font-mono);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-bright);
            letter-spacing: 0.06em;
            line-height: 1;
        }

        .score-display.live-score {
            color: var(--accent-cyan);
            text-shadow: 0 0 12px rgba(0, 229, 255, 0.35);
        }

        .team-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            letter-spacing: 0.03em;
        }

        .game-tag {
            display: inline-block;
            font-size: 0.7rem;
            padding: 3px 10px;
            border-radius: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
        }

        .game-tag.cs2 {
            color: #FFB347;
            border-color: rgba(255, 179, 71, 0.3);
            background: rgba(255, 179, 71, 0.06);
        }
        .game-tag.dota2 {
            color: #FF6B6B;
            border-color: rgba(255, 107, 107, 0.3);
            background: rgba(255, 107, 107, 0.06);
        }
        .game-tag.lol {
            color: #5BC0EB;
            border-color: rgba(91, 192, 235, 0.3);
            background: rgba(91, 192, 235, 0.06);
        }
        .game-tag.valorant {
            color: #FF5E99;
            border-color: rgba(255, 94, 153, 0.3);
            background: rgba(255, 94, 153, 0.06);
        }

        .status-badge {
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            padding: 3px 10px;
            border-radius: 12px;
            text-transform: uppercase;
        }

        .status-badge.live {
            background: rgba(0, 229, 255, 0.12);
            color: var(--accent-cyan);
            animation: badgeGlow 2.5s infinite;
        }

        @keyframes badgeGlow {
            0%,
            100% {
                box-shadow: 0 0 6px rgba(0, 229, 255, 0.2);
            }
            50% {
                box-shadow: 0 0 14px rgba(0, 229, 255, 0.5);
            }
        }

        .status-badge.upcoming {
            background: rgba(255, 179, 71, 0.1);
            color: #FFB347;
        }

        .status-badge.finished {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
        }

        /* Metric cards */
        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            text-align: center;
            transition: all var(--transition-fast);
        }

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

        .metric-value {
            font-family: var(--font-mono);
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.04em;
            line-height: 1.2;
        }

        .metric-label {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            margin-top: 4px;
        }

        .metric-trend {
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-top: 2px;
        }

        .metric-trend.up {
            color: var(--accent-green);
        }
        .metric-trend.down {
            color: var(--accent-red);
        }

        /* Score Table */
        .score-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .score-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
        }

        .score-table thead th {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-muted);
            font-weight: 600;
            font-size: 0.72rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            padding: 12px 14px;
            border-bottom: 1px solid var(--border-subtle);
            text-align: left;
            white-space: nowrap;
        }

        .score-table tbody td {
            padding: 13px 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            vertical-align: middle;
            white-space: nowrap;
        }

        .score-table tbody tr {
            transition: background var(--transition-fast);
        }

        .score-table tbody tr:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .score-table tbody tr.row-live {
            background: rgba(0, 229, 255, 0.02);
        }

        .score-table .vs-col {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--text-bright);
            letter-spacing: 0.04em;
        }

        /* Review cards */
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            transition: all var(--transition-fast);
        }

        .review-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .review-score-final {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-bright);
            letter-spacing: 0.04em;
        }

        /* User Reviews */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 16px;
        }

        .user-review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 16px;
            transition: all var(--transition-fast);
        }

        .user-review-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }

        .review-stars {
            color: #FFB347;
            font-size: 0.75rem;
            letter-spacing: 2px;
        }

        .reviewer-name {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-bright);
        }

        .reviewer-tag {
            font-size: 0.7rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.04);
            padding: 2px 8px;
            border-radius: 10px;
            letter-spacing: 0.03em;
        }

        .review-text {
            color: var(--text-secondary);
            font-size: 0.82rem;
            line-height: 1.55;
            margin-top: 8px;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 8px;
            overflow: hidden;
            transition: all var(--transition-fast);
            background: var(--bg-card);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-bright);
            font-size: 0.9rem;
            font-weight: 600;
            padding: 15px 18px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }

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

        .faq-answer {
            padding: 0 18px 16px;
            color: var(--text-secondary);
            font-size: 0.82rem;
            line-height: 1.6;
            display: none;
        }

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

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

        .faq-item.open {
            border-color: var(--border-active);
            background: rgba(0, 229, 255, 0.03);
        }

        .faq-icon {
            transition: transform var(--transition-fast);
            font-size: 0.7rem;
            color: var(--text-muted);
            flex-shrink: 0;
        }

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

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.06) 0%, rgba(0, 160, 200, 0.04) 50%, rgba(0, 229, 255, 0.05) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(0, 229, 255, 0.06);
            pointer-events: none;
        }

        .btn-cyan {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent-cyan);
            color: #080C18;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.04em;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
        }

        .btn-cyan:hover {
            background: #33EAFF;
            box-shadow: 0 0 32px rgba(0, 229, 255, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-bright);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-subtle);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }

        .btn-sm {
            font-size: 0.75rem;
            padding: 7px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid var(--border-subtle);
            background: transparent;
            color: var(--text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .btn-sm:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        /* Divider */
        .divider-subtle {
            border: none;
            border-top: 1px solid var(--border-subtle);
            margin: 0;
        }

        /* Footer links */
        footer a:hover {
            color: var(--accent-cyan) !important;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container-main {
                padding: 0 18px;
            }
            .review-grid {
                grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            }
            .hero-banner {
                padding: 36px 0 34px;
            }
            .score-table thead th,
            .score-table tbody td {
                padding: 10px 10px;
                font-size: 0.78rem;
            }
            .section-block {
                padding: 34px 0;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay.active {
                display: block;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 54px;
            }
            .hero-banner {
                padding: 28px 0 26px;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .score-display {
                font-size: 1.25rem;
            }
            .metric-value {
                font-size: 1.4rem;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 24px 18px;
            }
            .btn-cyan {
                font-size: 0.82rem;
                padding: 10px 20px;
            }
            .score-table-wrap {
                margin: 0 -12px;
            }
            .score-table thead th,
            .score-table tbody td {
                padding: 8px 8px;
                font-size: 0.72rem;
            }
            .section-block {
                padding: 26px 0;
            }
        }

        @media (max-width: 520px) {
            .container-main {
                padding: 0 10px;
            }
            .hero-banner {
                padding: 22px 0 20px;
            }
            .metric-value {
                font-size: 1.2rem;
            }
            .metric-card {
                padding: 12px 10px;
            }
            .data-card {
                padding: 12px 10px;
            }
            .btn-cyan {
                width: 100%;
                justify-content: center;
            }
            .score-display {
                font-size: 1.1rem;
            }
            .team-name {
                font-size: 0.78rem;
            }
            .faq-question {
                font-size: 0.8rem;
                padding: 12px 14px;
            }
            .faq-answer {
                font-size: 0.75rem;
                padding: 0 14px 12px;
            }
        }

        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 5px;
        }
        ::-webkit-scrollbar-track {
            background: transparent;
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, 0.2);
        }

/* roulang page: category2 */
:root {
            --bg-base: #0B1A3A;
            --bg-darker: #080C18;
            --bg-card: rgba(255, 255, 255, 0.04);
            --accent-cyan: #00E5FF;
            --accent-orange: #FF6B35;
            --text-bright: #F0F4FA;
            --text-secondary: #B0C4D8;
            --text-muted: #6B7D95;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(0, 229, 255, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow-glow-cyan: 0 0 20px rgba(0, 229, 255, 0.18);
            --shadow-glow-orange: 0 0 18px rgba(255, 107, 53, 0.15);
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.35);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
        }

        *,
        *::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, "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg-base);
            color: var(--text-secondary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background:
                radial-gradient(ellipse at 30% 15%, rgba(0, 229, 255, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(255, 107, 53, 0.03) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 85%, rgba(0, 180, 255, 0.025) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.012) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
            z-index: 0;
            opacity: 0.5;
        }

        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;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }

        input {
            font-family: inherit;
        }

        ul {
            list-style: none;
        }

        .container-main {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
        }

        /* Sidebar Navigation */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            bottom: 0;
            width: 260px;
            background: var(--bg-darker);
            border-right: 1px solid var(--border-subtle);
            z-index: 100;
            display: flex;
            flex-direction: column;
            padding: 24px 0;
            transition: transform var(--transition-smooth);
            overflow-y: auto;
        }

        .sidebar-logo {
            padding: 0 20px 20px;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 8px;
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-bright);
            letter-spacing: 0.04em;
            transition: color var(--transition-fast);
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--accent-cyan);
            color: #080C18;
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 8px 12px;
        }

        .sidebar-nav li {
            margin-bottom: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-bright);
            border-left-color: rgba(0, 229, 255, 0.4);
        }

        .sidebar-nav a.active {
            background: rgba(0, 229, 255, 0.06);
            color: var(--accent-cyan);
            border-left-color: var(--accent-cyan);
            font-weight: 600;
            box-shadow: inset 0 0 20px rgba(0, 229, 255, 0.04);
        }

        .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 14px 20px;
            border-top: 1px solid var(--border-subtle);
            margin-top: auto;
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
            box-shadow: 0 0 8px var(--accent-cyan);
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 8px var(--accent-cyan);
            }
            50% {
                opacity: 0.35;
                box-shadow: 0 0 4px var(--accent-cyan);
            }
        }

        /* Main Content Area */
        .main-content {
            margin-left: 260px;
            min-height: 100vh;
            position: relative;
            z-index: 1;
            padding-bottom: 40px;
        }

        /* Mobile Header */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 56px;
            background: var(--bg-darker);
            border-bottom: 1px solid var(--border-subtle);
            z-index: 99;
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }

        .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--text-bright);
            letter-spacing: 0.04em;
        }

        .mobile-logo .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 0.7rem;
        }

        .hamburger-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 1.2rem;
            transition: all var(--transition-fast);
        }

        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-bright);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 98;
            opacity: 0;
            transition: opacity var(--transition-smooth);
            pointer-events: none;
        }

        .sidebar-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        /* Section Styles */
        .section-spacing {
            padding: 48px 0;
        }

        .section-spacing-sm {
            padding: 32px 0;
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-bright);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 48px;
            height: 3px;
            background: var(--accent-cyan);
            border-radius: 2px;
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.4);
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-top: 10px;
            margin-bottom: 28px;
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            padding: 52px 0 44px;
            background: linear-gradient(180deg, rgba(8, 12, 24, 0.75) 0%, rgba(11, 26, 58, 0.85) 60%, var(--bg-base) 100%);
            border-bottom: 1px solid var(--border-subtle);
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 55% 30%, rgba(0, 229, 255, 0.08) 0%, transparent 65%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-banner-content {
            position: relative;
            z-index: 1;
        }

        .hero-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 14px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(0, 229, 255, 0.08);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 229, 255, 0.2);
            white-space: nowrap;
        }

        .hero-tag.alt {
            background: rgba(255, 107, 53, 0.08);
            color: var(--accent-orange);
            border-color: rgba(255, 107, 53, 0.2);
        }

        /* Data Metric Cards */
        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(0, 229, 255, 0.03) 0%, transparent 60%);
            opacity: 0;
            transition: opacity var(--transition-fast);
            pointer-events: none;
        }

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

        .metric-card:hover::before {
            opacity: 1;
        }

        .metric-value {
            font-family: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: -0.02em;
            line-height: 1;
        }

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

        .metric-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 0.72rem;
            margin-top: 4px;
            font-weight: 600;
        }

        .metric-trend.up {
            color: #00E676;
        }

        .metric-trend.down {
            color: #FF5252;
        }

        /* Team Card */
        .team-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-fast);
            position: relative;
        }

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

        .team-card-logo {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }

        .team-card-logo.cs2 {
            background: linear-gradient(135deg, #E67E22, #D35400);
        }
        .team-card-logo.dota2 {
            background: linear-gradient(135deg, #E74C3C, #C0392B);
        }
        .team-card-logo.lol {
            background: linear-gradient(135deg, #F39C12, #D68910);
        }
        .team-card-logo.valorant {
            background: linear-gradient(135deg, #8E44AD, #6C3483);
        }

        .team-game-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .badge-cs2 {
            background: rgba(230, 126, 34, 0.15);
            color: #E67E22;
            border: 1px solid rgba(230, 126, 34, 0.3);
        }
        .badge-dota2 {
            background: rgba(231, 76, 60, 0.15);
            color: #E74C3C;
            border: 1px solid rgba(231, 76, 60, 0.3);
        }
        .badge-lol {
            background: rgba(243, 156, 18, 0.15);
            color: #F39C12;
            border: 1px solid rgba(243, 156, 18, 0.3);
        }
        .badge-valorant {
            background: rgba(142, 68, 173, 0.15);
            color: #8E44AD;
            border: 1px solid rgba(142, 68, 173, 0.3);
        }

        .winrate-bar {
            height: 6px;
            border-radius: 3px;
            background: rgba(255, 255, 255, 0.08);
            overflow: hidden;
            margin-top: 4px;
        }

        .winrate-fill {
            height: 100%;
            border-radius: 3px;
            transition: width 0.6s ease;
        }

        .winrate-fill.high {
            background: linear-gradient(90deg, #00E676, #00C853);
        }
        .winrate-fill.mid {
            background: linear-gradient(90deg, #FFB300, #FF8F00);
        }
        .winrate-fill.low {
            background: linear-gradient(90deg, #FF6B35, #E64A19);
        }

        /* Table Styles */
        .data-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            background: var(--bg-card);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 800px;
            font-size: 0.85rem;
        }

        .data-table thead th {
            background: rgba(8, 12, 24, 0.8);
            color: var(--text-bright);
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 2px solid var(--border-subtle);
            white-space: nowrap;
            font-size: 0.8rem;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .data-table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            white-space: nowrap;
            transition: background var(--transition-fast);
        }

        .data-table tbody tr {
            transition: background var(--transition-fast);
        }

        .data-table tbody tr:hover {
            background: rgba(0, 229, 255, 0.03);
        }

        .data-table tbody tr:hover td {
            color: var(--text-bright);
        }

        .table-team-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--text-bright);
        }

        .table-team-dot {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.65rem;
            color: #fff;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        /* Button Styles */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 22px;
            background: var(--accent-cyan);
            color: #080C18;
            font-weight: 700;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.2);
            cursor: pointer;
            border: none;
        }

        .btn-primary:hover {
            background: #33EAFF;
            box-shadow: 0 0 28px rgba(0, 229, 255, 0.35);
            transform: translateY(-1px);
            color: #080C18;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 600;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
            letter-spacing: 0.02em;
            border: 1.5px solid rgba(0, 229, 255, 0.35);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.06);
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.15);
            color: #33EAFF;
        }

        .btn-outline.orange {
            color: var(--accent-orange);
            border-color: rgba(255, 107, 53, 0.35);
        }

        .btn-outline.orange:hover {
            border-color: var(--accent-orange);
            background: rgba(255, 107, 53, 0.06);
            box-shadow: 0 0 14px rgba(255, 107, 53, 0.15);
            color: #FF8A5C;
        }

        .btn-sm {
            padding: 6px 14px;
            font-size: 0.78rem;
            border-radius: 4px;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 8px;
            overflow: hidden;
            background: var(--bg-card);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.14);
        }

        .faq-question {
            width: 100%;
            padding: 16px 20px;
            text-align: left;
            background: transparent;
            color: var(--text-bright);
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
            letter-spacing: 0.02em;
        }

        .faq-question:hover {
            color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.03);
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px;
        }

        /* Review Card */
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: all var(--transition-fast);
        }

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

        .review-stars {
            color: #FFB300;
            font-size: 0.75rem;
            letter-spacing: 1px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.06) 0%, rgba(255, 107, 53, 0.04) 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 229, 255, 0.08) 0%, transparent 55%);
            pointer-events: none;
        }

        /* Game Filter Tags */
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .filter-tag:hover {
            border-color: rgba(255, 255, 255, 0.25);
            color: var(--text-bright);
        }

        .filter-tag.active {
            background: rgba(0, 229, 255, 0.1);
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            font-weight: 600;
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.12);
        }

        /* Player highlight */
        .player-mini {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.03);
            padding: 5px 10px;
            border-radius: 14px;
        }

        .player-avatar-dot {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* Footer Links */
        .footer-link {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .sidebar {
                width: 210px;
            }
            .main-content {
                margin-left: 210px;
            }
            .sidebar-nav a {
                padding: 9px 10px;
                font-size: 0.82rem;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.7rem;
            }
            .hero-banner {
                padding: 36px 0 30px;
            }
            .section-spacing {
                padding: 34px 0;
            }
        }

        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
                width: 260px;
                z-index: 99;
                box-shadow: 8px 0 30px rgba(0, 0, 0, 0.5);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .mobile-header {
                display: flex;
            }
            .hero-banner {
                padding: 28px 0 24px;
            }
            .section-spacing {
                padding: 28px 0;
            }
            .section-spacing-sm {
                padding: 20px 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .metric-value {
                font-size: 1.5rem;
            }
            .data-table-wrap {
                border-radius: var(--radius-sm);
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 10px 12px;
                font-size: 0.75rem;
            }
            .cta-section {
                padding: 28px 18px;
            }
            .btn-primary {
                padding: 9px 16px;
                font-size: 0.82rem;
            }
            .btn-outline {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .container-main {
                padding: 0 16px;
            }
            .team-card {
                padding: 14px;
            }
        }

        @media (max-width: 520px) {
            .hero-tag-row {
                gap: 5px;
            }
            .hero-tag {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .metric-card {
                padding: 14px 10px;
            }
            .metric-value {
                font-size: 1.3rem;
            }
            .metric-label {
                font-size: 0.7rem;
            }
            .filter-tag {
                font-size: 0.72rem;
                padding: 5px 10px;
            }
            .team-card-logo {
                width: 40px;
                height: 40px;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.15rem;
            }
            .faq-question {
                font-size: 0.82rem;
                padding: 13px 14px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-base: #0B1A3A;
            --bg-darker: #060D1F;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --accent-cyan: #00E5FF;
            --accent-orange: #FF6B35;
            --text-bright: #F0F4FC;
            --text-secondary: #B8C5D6;
            --text-muted: #6B7D95;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(0, 229, 255, 0.25);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-glow: 0 0 20px rgba(0, 229, 255, 0.12);
            --shadow-glow-strong: 0 0 30px rgba(0, 229, 255, 0.2);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --sidebar-width: 260px;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Menlo', monospace;
        }

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

        body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            background: var(--bg-base);
            color: var(--text-secondary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent-cyan);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        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-sm);
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
        }

        /* ========== SIDEBAR NAVIGATION ========== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-darker);
            border-right: 1px solid var(--border-subtle);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            padding: 0;
            transition: transform var(--transition-normal);
            overflow-y: auto;
        }
        .sidebar-logo {
            padding: 24px 20px 20px;
            border-bottom: 1px solid var(--border-subtle);
            flex-shrink: 0;
        }
        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-bright);
            letter-spacing: 0.06em;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .logo-text:hover {
            color: var(--accent-cyan);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--accent-cyan);
            border-radius: 6px;
            color: #060D1F;
            font-size: 0.8rem;
            font-weight: 900;
            letter-spacing: 0;
            flex-shrink: 0;
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.35);
        }
        .sidebar-nav {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .sidebar-nav li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            position: relative;
            text-decoration: none;
            border-left: 3px solid transparent;
        }
        .sidebar-nav li a:hover {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-bright);
            border-left-color: rgba(0, 229, 255, 0.4);
        }
        .sidebar-nav li a.active {
            background: rgba(0, 229, 255, 0.08);
            color: var(--accent-cyan);
            font-weight: 600;
            border-left-color: var(--accent-cyan);
            box-shadow: inset 0 0 20px rgba(0, 229, 255, 0.04);
        }
        .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.6);
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 10px rgba(0, 229, 255, 0.6);
            }
            50% {
                opacity: 0.45;
                box-shadow: 0 0 22px rgba(0, 229, 255, 0.9);
            }
        }

        /* ========== MOBILE NAV TOGGLE ========== */
        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 14px;
            left: 14px;
            z-index: 1100;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--bg-darker);
            border: 1px solid var(--border-subtle);
            color: var(--text-bright);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .mobile-nav-toggle:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.65);
            z-index: 999;
            transition: opacity var(--transition-normal);
        }
        .sidebar-overlay.active {
            display: block;
            opacity: 1;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .container-main {
            width: 100%;
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 1200px) {
            .container-main {
                max-width: 960px;
                padding: 0 22px;
            }
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: 48px 0;
        }
        .section-sm {
            padding: 32px 0;
        }
        .section-lg {
            padding: 64px 0;
        }
        .section-divider {
            border-top: 1px solid var(--border-subtle);
            margin: 0;
        }

        /* ========== CARDS ========== */
        .card-glass {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .card-glass:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .card-stat {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            text-align: center;
            transition: all var(--transition-normal);
        }
        .card-stat:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
        }
        .card-stat .stat-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: 0.03em;
            line-height: 1.1;
        }
        .card-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        .card-stat .stat-unit {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--accent-cyan);
            color: #060D1F;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.04em;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #33EAFF;
            box-shadow: var(--shadow-glow-strong);
            transform: translateY(-1px);
            color: #060D1F;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: transparent;
            color: var(--accent-cyan);
            font-weight: 600;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-glow);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.06);
            box-shadow: var(--shadow-glow);
            color: var(--accent-cyan);
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 0.78rem;
            border-radius: 4px;
        }

        /* ========== TAGS & BADGES ========== */
        .tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: 20px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }
        .tag-cyan {
            background: rgba(0, 229, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 229, 255, 0.25);
        }
        .tag-orange {
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent-orange);
            border: 1px solid rgba(255, 107, 53, 0.25);
        }
        .tag-neutral {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid var(--border-subtle);
        }
        .badge-dot {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .badge-dot::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-cyan);
            flex-shrink: 0;
        }

        /* ========== HERO BANNER (category page - narrow) ========== */
        .hero-banner {
            position: relative;
            padding: 60px 0 50px;
            background: linear-gradient(180deg, rgba(0, 229, 255, 0.04) 0%, rgba(11, 26, 58, 0.95) 100%), url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--border-subtle);
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 229, 255, 0.08) 0%, transparent 65%);
            pointer-events: none;
        }
        .hero-banner .hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .hero-banner .hero-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-bright);
            letter-spacing: 0.05em;
            line-height: 1.25;
        }
        .hero-banner .hero-title span {
            color: var(--accent-cyan);
        }
        .hero-banner .hero-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 8px;
            max-width: 520px;
            line-height: 1.55;
        }
        .hero-tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }

        /* ========== TIMELINE ========== */
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-subtle);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 22px;
            padding-left: 16px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 5px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
            border: 2px solid var(--bg-darker);
        }
        .timeline-item .timeline-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-bottom: 2px;
        }
        .timeline-item .timeline-title {
            font-weight: 600;
            color: var(--text-bright);
            font-size: 0.9rem;
        }
        .timeline-item .timeline-desc {
            font-size: 0.8rem;
            color: var(--text-secondary);
            margin-top: 2px;
        }

        /* ========== FAQ ========== */
        .faq-item {
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-card);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-glow);
        }
        .faq-question {
            width: 100%;
            padding: 15px 18px;
            background: transparent;
            color: var(--text-bright);
            font-weight: 600;
            font-size: 0.9rem;
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-cyan);
        }
        .faq-question .faq-icon {
            transition: transform var(--transition-fast);
            font-size: 0.75rem;
            color: var(--accent-cyan);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 18px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            background: rgba(0, 0, 0, 0.2);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 12px 18px 16px;
        }

        /* ========== REVIEW CARD ========== */
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 18px;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .review-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-2px);
        }
        .review-stars {
            color: #FFB800;
            font-size: 0.8rem;
            letter-spacing: 2px;
        }
        .review-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.55;
            flex: 1;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .review-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), #0077B6);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.7rem;
            flex-shrink: 0;
        }
        .review-tag {
            font-size: 0.7rem;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            padding: 2px 8px;
            color: var(--text-muted);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 229, 255, 0.06) 0%, rgba(11, 26, 58, 0.9) 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-bright);
            letter-spacing: 0.04em;
        }
        .cta-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 8px 0 20px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== FOOTER ========== */
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-links a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.72rem;
            color: var(--text-muted);
            padding-top: 16px;
            border-top: 1px solid var(--border-subtle);
            margin-top: 20px;
            letter-spacing: 0.03em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: 4px 0 30px rgba(0, 0, 0, 0.6);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .sidebar-overlay.active {
                display: block;
            }
            .main-content {
                margin-left: 0;
            }
            .container-main {
                padding: 0 18px;
            }
            .hero-banner {
                padding: 45px 0 35px;
            }
            .hero-banner .hero-title {
                font-size: 1.55rem;
            }
            .hero-banner .hero-subtitle {
                font-size: 0.85rem;
                max-width: 100%;
            }
            .section {
                padding: 32px 0;
            }
            .section-lg {
                padding: 42px 0;
            }
            .card-stat .stat-value {
                font-size: 1.5rem;
            }
            .cta-section {
                padding: 28px 18px;
            }
            .cta-title {
                font-size: 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .hero-banner .hero-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-banner .hero-title {
                font-size: 1.35rem;
            }
            .grid-cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-cols-2-mobile {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-stat .stat-value {
                font-size: 1.3rem;
            }
            .faq-question {
                font-size: 0.82rem;
                padding: 12px 14px;
            }
            .review-card {
                padding: 14px;
            }
        }
        @media (max-width: 520px) {
            .container-main {
                padding: 0 12px;
            }
            .hero-banner {
                padding: 35px 0 28px;
            }
            .hero-banner .hero-title {
                font-size: 1.2rem;
            }
            .grid-cols-2-mobile {
                grid-template-columns: 1fr;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 16px;
                font-size: 0.8rem;
            }
            .section {
                padding: 24px 0;
            }
            .section-lg {
                padding: 30px 0;
            }
            .cta-title {
                font-size: 1.05rem;
            }
        }

/* roulang page: category4 */
:root {
            --bg-base: #0B1A3A;
            --bg-darker: #080C18;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.07);
            --accent-cyan: #00E5FF;
            --accent-orange: #FF6B35;
            --accent-purple: #A855F7;
            --accent-green: #22D65B;
            --text-bright: #F1F5F9;
            --text-primary: #E2E8F0;
            --text-secondary: #94A3B8;
            --text-muted: #64748B;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(0, 229, 255, 0.25);
            --border-card: rgba(255, 255, 255, 0.1);
            --shadow-glow-cyan: 0 0 18px rgba(0, 229, 255, 0.18);
            --shadow-glow-orange: 0 0 18px rgba(255, 107, 53, 0.15);
            --shadow-card: 0 2px 16px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 6px 28px rgba(0, 0, 0, 0.5), 0 0 22px rgba(0, 229, 255, 0.12);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s ease;
            --sidebar-width: 260px;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', 'Monaco', 'monospace';
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            background: var(--bg-base);
            color: var(--text-primary);
            line-height: 1.65;
            min-height: 100vh;
            background-image:
                radial-gradient(ellipse at 25% 15%, rgba(0, 229, 255, 0.04) 0%, transparent 55%),
                radial-gradient(ellipse at 72% 60%, rgba(168, 85, 247, 0.03) 0%, transparent 50%),
                radial-gradient(ellipse at 10% 75%, rgba(255, 107, 53, 0.03) 0%, transparent 50%);
            background-attachment: fixed;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

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

        input {
            font-family: inherit;
        }

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

        /* 左侧导航栏 */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--bg-darker);
            border-right: 1px solid var(--border-subtle);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            transition: transform var(--transition-smooth);
        }

        .sidebar-logo {
            padding: 22px 20px 18px;
            border-bottom: 1px solid var(--border-subtle);
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: 0.06em;
            color: var(--text-bright);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }

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

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent-cyan);
            color: #080C18;
            border-radius: var(--radius-sm);
            font-size: 0.7rem;
            font-weight: 900;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 14px 10px;
        }

        .sidebar-nav li {
            margin-bottom: 3px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: var(--text-secondary);
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            position: relative;
            border-left: 3px solid transparent;
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-bright);
            border-left-color: rgba(0, 229, 255, 0.5);
        }

        .sidebar-nav a.active {
            background: rgba(0, 229, 255, 0.08);
            color: var(--accent-cyan);
            border-left-color: var(--accent-cyan);
            font-weight: 600;
        }

        .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-subtle);
            font-size: 0.75rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 4px var(--accent-green), 0 0 8px rgba(34, 214, 91, 0.5);
            }
            50% {
                box-shadow: 0 0 8px var(--accent-green), 0 0 18px rgba(34, 214, 91, 0.75);
            }
        }

        /* 主内容区 */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container-main {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 28px;
            width: 100%;
        }

        /* 移动端顶部导航 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            background: var(--bg-darker);
            border-bottom: 1px solid var(--border-subtle);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
            height: 56px;
        }

        .mobile-header .logo-text {
            font-size: 1.1rem;
        }

        .mobile-header .logo-icon {
            width: 28px;
            height: 28px;
            font-size: 0.65rem;
        }

        .hamburger-btn {
            background: none;
            border: none;
            color: var(--text-bright);
            font-size: 1.4rem;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
        }

        .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.7);
            z-index: 998;
        }
        .sidebar-overlay.active {
            display: block;
        }

        /* 板块间距 */
        .section-spacing {
            padding: 48px 0;
        }
        .section-spacing-sm {
            padding: 32px 0;
        }

        /* 卡片通用 */
        .card-glass {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
            transition: all var(--transition-smooth);
        }
        .card-glass:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .card-stat {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--transition-smooth);
        }
        .card-stat:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow-cyan);
        }
        .card-stat .stat-value {
            font-family: var(--font-mono);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .card-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }
        .card-stat .stat-trend {
            font-size: 0.75rem;
            margin-top: 4px;
            font-weight: 600;
        }
        .trend-up {
            color: var(--accent-green);
        }
        .trend-down {
            color: #EF4444;
        }
        .trend-neutral {
            color: var(--text-muted);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--accent-cyan);
            color: #080C18;
            font-weight: 700;
            padding: 11px 22px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            border: none;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: #33EBFF;
            box-shadow: var(--shadow-glow-cyan);
            transform: translateY(-1px);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: transparent;
            color: var(--text-bright);
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-card);
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-glow-cyan);
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .tag-cyan {
            background: rgba(0, 229, 255, 0.12);
            color: var(--accent-cyan);
            border: 1px solid rgba(0, 229, 255, 0.25);
        }
        .tag-orange {
            background: rgba(255, 107, 53, 0.12);
            color: var(--accent-orange);
            border: 1px solid rgba(255, 107, 53, 0.25);
        }
        .tag-purple {
            background: rgba(168, 85, 247, 0.12);
            color: var(--accent-purple);
            border: 1px solid rgba(168, 85, 247, 0.25);
        }
        .tag-green {
            background: rgba(34, 214, 91, 0.12);
            color: var(--accent-green);
            border: 1px solid rgba(34, 214, 91, 0.25);
        }

        /* Hero Banner */
        .hero-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            padding: 52px 0;
            border-bottom: 1px solid var(--border-subtle);
            overflow: hidden;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 12, 24, 0.82) 0%, rgba(11, 26, 58, 0.9) 100%);
            z-index: 1;
        }
        .hero-banner .hero-content {
            position: relative;
            z-index: 2;
        }

        /* 版本卡片 */
        .version-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .version-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .version-card .card-img-wrap {
            height: 160px;
            overflow: hidden;
            position: relative;
        }
        .version-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .version-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .version-card .card-body {
            padding: 16px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-card);
            transition: all var(--transition-fast);
        }
        .faq-item summary {
            padding: 15px 18px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-bright);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            letter-spacing: 0.02em;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-icon {
            transition: transform var(--transition-fast);
            color: var(--accent-cyan);
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-body {
            padding: 0 18px 16px;
            color: var(--text-secondary);
            font-size: 0.84rem;
            line-height: 1.7;
        }
        .faq-item[open] {
            border-color: var(--border-glow);
            background: var(--bg-card-hover);
        }

        /* 评论卡片 */
        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-lg);
            padding: 18px;
            transition: all var(--transition-smooth);
        }
        .review-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-card-hover);
        }

        /* 表格样式 */
        .data-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-card);
            background: var(--bg-card);
        }
        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.84rem;
            min-width: 700px;
        }
        .data-table th {
            background: rgba(255, 255, 255, 0.03);
            padding: 13px 14px;
            text-align: left;
            font-weight: 700;
            color: var(--text-bright);
            font-size: 0.78rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            border-bottom: 2px solid var(--border-subtle);
            white-space: nowrap;
        }
        .data-table td {
            padding: 12px 14px;
            border-bottom: 1px solid var(--border-subtle);
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .data-table tbody tr {
            transition: background var(--transition-fast);
        }
        .data-table tbody tr:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .data-table .highlight-cell {
            color: var(--accent-cyan);
            font-weight: 600;
            font-family: var(--font-mono);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                padding-top: 56px;
            }
            .container-main {
                padding: 0 16px;
            }
            .hero-banner {
                padding: 36px 0;
            }
            .section-spacing {
                padding: 32px 0;
            }
            .section-spacing-sm {
                padding: 22px 0;
            }
            .card-stat .stat-value {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .hero-banner {
                padding: 28px 0;
            }
            .version-card .card-img-wrap {
                height: 130px;
            }
            .card-stat {
                padding: 14px 10px;
            }
            .card-stat .stat-value {
                font-size: 1.3rem;
            }
            .data-table {
                font-size: 0.75rem;
                min-width: 560px;
            }
            .data-table th,
            .data-table td {
                padding: 8px 10px;
            }
            .btn-primary,
            .btn-outline {
                padding: 9px 16px;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 520px) {
            .container-main {
                padding: 0 10px;
            }
            .version-card .card-img-wrap {
                height: 110px;
            }
            .card-stat .stat-value {
                font-size: 1.15rem;
            }
            .card-stat .stat-label {
                font-size: 0.7rem;
            }
            .hero-banner {
                padding: 22px 0;
            }
        }