/* roulang page: index */
:root {
            --bg-primary: #080c16;
            --bg-secondary: #0f172a;
            --bg-card: rgba(30, 41, 59, 0.7);
            --bg-card-hover: rgba(51, 65, 85, 0.85);
            --brand-gradient: linear-gradient(135deg, #6366f1 0%, #d946ef 100%);
            --gold-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
            --accent-gold: #f59e0b;
            --accent-emerald: #10b981;
            --accent-purple: #818cf8;
            --text-main: #ffffff;
            --text-muted: #94a3b8;
            --text-dim: #64748b;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(99, 102, 241, 0.35);
            --radius-sm: 0.75rem;
            --radius-md: 1.25rem;
            --radius-lg: 1.75rem;
            --shadow-glow: 0 10px 30px -10px rgba(99, 102, 241, 0.3);
            --shadow-gold: 0 10px 25px -8px rgba(245, 158, 11, 0.35);
        }

        /* Reset & Base */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            background-color: var(--bg-primary);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            line-height: 1.75;
            letter-spacing: 0.02em;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        a:hover {
            color: var(--accent-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-primary);
        }
        ::-webkit-scrollbar-thumb {
            background: #334155;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: #475569;
        }

        /* Glassmorphism & Navbar */
        .search-navbar {
            background: rgba(8, 12, 22, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            padding: 0.85rem 0;
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: all 0.3s ease;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-main) !important;
            display: flex;
            align-items: center;
            gap: 0.65rem;
            letter-spacing: -0.01em;
        }
        .brand-icon-box {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
        }
        .nav-search-wrap {
            max-width: 520px;
            width: 100%;
            position: relative;
        }
        .nav-search-input {
            background: rgba(30, 41, 59, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            padding: 0.6rem 3.5rem 0.6rem 2.75rem;
            color: #fff;
            font-size: 0.9rem;
            width: 100%;
            transition: all 0.25s ease;
        }
        .nav-search-input:focus {
            outline: none;
            border-color: #818cf8;
            background: rgba(30, 41, 59, 1);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
        }
        .nav-search-icon {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            pointer-events: none;
        }
        .nav-search-tag {
            position: absolute;
            right: 0.5rem;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(99, 102, 241, 0.25);
            color: #c7d2fe;
            font-size: 0.75rem;
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            border: 1px solid rgba(99, 102, 241, 0.4);
        }
        .nav-link-custom {
            color: var(--text-muted);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 8px;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--accent-gold);
            background: rgba(245, 158, 11, 0.08);
        }

        /* Section Commons */
        .section-padding {
            padding: 5rem 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-secondary);
        }
        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 0.95rem;
            border-radius: 50px;
            background: rgba(99, 102, 241, 0.12);
            border: 1px solid var(--border-glow);
            color: #a5b4fc;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: #fff;
        }
        .section-desc {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 780px;
            margin-bottom: 3rem;
            line-height: 1.8;
        }

        /* Cards and Components */
        .app-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 2rem;
            height: 100%;
            transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .app-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            background: var(--bg-card-hover);
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent-emerald);
            display: inline-block;
            box-shadow: 0 0 8px var(--accent-emerald);
            animation: pulseAnimation 2s infinite;
        }
        @keyframes pulseAnimation {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        /* Custom Buttons */
        .btn-brand-gradient {
            background: var(--brand-gradient);
            color: #fff !important;
            font-weight: 600;
            border: none;
            padding: 0.85rem 1.85rem;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 15px rgba(217, 70, 239, 0.35);
            transition: all 0.3s ease;
        }
        .btn-brand-gradient:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(217, 70, 239, 0.55);
            filter: brightness(1.1);
        }
        .btn-glass {
            background: rgba(255, 255, 255, 0.05);
            color: #fff !important;
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 0.85rem 1.85rem;
            border-radius: 50px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            transition: all 0.3s ease;
        }
        .btn-glass:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-3px);
        }

        /* 1. Hero Specifics */
        .hero-banner {
            position: relative;
            padding: 6rem 0 5rem;
            background: linear-gradient(180deg, rgba(8, 12, 22, 0.65) 0%, rgba(8, 12, 22, 0.96) 100%),
                        url('/assets/images/7e8be64188cda0cf.jpg') center center/cover no-repeat;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-h1 {
            font-size: 2.85rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 1.5rem;
            color: #ffffff;
        }
        .hero-h1 span {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .vip-club-badge {
            background: linear-gradient(90deg, rgba(245, 158, 11, 0.15), rgba(217, 70, 239, 0.15));
            border: 1px solid rgba(245, 158, 11, 0.4);
            color: #fde68a;
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1.25rem;
        }
        .stat-metric-card {
            background: rgba(15, 23, 42, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            text-align: center;
            backdrop-filter: blur(10px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.1;
            margin-bottom: 0.35rem;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* 2. Service Matrix */
        .service-img-wrap {
            height: 190px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 1.25rem;
            position: relative;
        }
        .service-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .app-card:hover .service-img-wrap img {
            transform: scale(1.08);
        }
        .service-number {
            position: absolute;
            top: 0.75rem;
            right: 0.75rem;
            background: rgba(8, 12, 22, 0.75);
            border: 1px solid var(--border-glow);
            color: #e0e7ff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.2rem 0.55rem;
            border-radius: 6px;
            backdrop-filter: blur(5px);
        }

        /* 3. Comparison Table */
        .table-compare {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .table-compare th, .table-compare td {
            padding: 1.25rem 1.5rem;
            text-align: left;
            border-bottom: 1px solid var(--border-subtle);
        }
        .table-compare th {
            background: rgba(15, 23, 42, 0.9);
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 600;
        }
        .table-compare tr:last-child td {
            border-bottom: none;
        }
        .highlight-col {
            background: rgba(99, 102, 241, 0.08);
            border-left: 1px solid var(--border-glow);
            border-right: 1px solid var(--border-glow);
            color: #ffffff;
            font-weight: 600;
        }

        /* 4. Milestone Timeline */
        .timeline-wrapper {
            position: relative;
            padding: 1.5rem 0;
        }
        .timeline-line {
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, #6366f1, #d946ef, #f59e0b);
            transform: translateY(-50%);
            z-index: 1;
        }
        .timeline-node {
            position: relative;
            z-index: 2;
            background: var(--bg-secondary);
            border: 2px solid #818cf8;
            border-radius: var(--radius-md);
            padding: 1.5rem 1.25rem;
            text-align: center;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
            height: 100%;
        }
        .timeline-badge {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--brand-gradient);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 1rem;
            box-shadow: 0 0 15px rgba(217, 70, 239, 0.5);
        }

        /* 5. Category Portal Cards */
        .portal-card {
            background: linear-gradient(145deg, rgba(30, 41, 59, 0.8), rgba(15, 23, 42, 0.95));
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 2.25rem 2rem;
            position: relative;
            overflow: hidden;
            transition: all 0.35s ease;
        }
        .portal-card:hover {
            border-color: var(--accent-gold);
            transform: translateY(-6px);
            box-shadow: var(--shadow-gold);
        }
        .portal-icon {
            font-size: 2.5rem;
            margin-bottom: 1.25rem;
            background: var(--gold-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 6. Info Flow Block */
        .news-feature-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            height: 100%;
        }
        .news-feature-img {
            height: 280px;
            width: 100%;
            object-fit: cover;
        }
        .news-list-item {
            padding: 1.25rem;
            border-radius: var(--radius-sm);
            background: rgba(30, 41, 59, 0.5);
            border: 1px solid var(--border-subtle);
            margin-bottom: 1rem;
            transition: all 0.25s ease;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .news-list-item:hover {
            background: rgba(51, 65, 85, 0.7);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateX(5px);
        }

        /* 7. Geo CDN Grid */
        .node-box {
            background: rgba(15, 23, 42, 0.85);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-sm);
            padding: 1.25rem;
            text-align: left;
            position: relative;
        }
        .node-status {
            font-size: 0.8rem;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            background: rgba(16, 185, 129, 0.15);
            color: #34d399;
            border: 1px solid rgba(16, 185, 129, 0.3);
            display: inline-block;
            margin-top: 0.5rem;
        }

        /* 8. Assurance Shields */
        .shield-card {
            text-align: center;
            padding: 2.5rem 1.75rem;
            background: linear-gradient(180deg, rgba(30, 41, 59, 0.9) 0%, rgba(15, 23, 42, 0.95) 100%);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
        }
        .shield-icon-circle {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: rgba(99, 102, 241, 0.12);
            border: 1px solid var(--border-glow);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: #818cf8;
            margin-bottom: 1.5rem;
        }

        /* 9. Troubleshooting */
        .guide-step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            position: relative;
        }
        .guide-step-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin-bottom: 0.75rem;
        }

        /* 10. Alignment Console Workbench */
        .console-mockup {
            background: #040711;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
        }
        .waveform-bar {
            height: 48px;
            background: repeating-linear-gradient(90deg, #6366f1 0, #6366f1 3px, transparent 3px, transparent 8px);
            border-radius: 6px;
            opacity: 0.85;
        }
        .sub-timeline-track {
            height: 32px;
            background: rgba(30, 41, 59, 0.8);
            border-radius: 4px;
            position: relative;
            margin-top: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .sub-block {
            position: absolute;
            height: 100%;
            background: var(--brand-gradient);
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: #fff;
            font-weight: 600;
            box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
        }

        /* 11. FAQ Accordion */
        .accordion-item {
            background-color: var(--bg-card) !important;
            border: 1px solid var(--border-subtle) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .accordion-button {
            background-color: transparent !important;
            color: #fff !important;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 1.25rem 1.5rem;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--accent-gold) !important;
            background-color: rgba(255, 255, 255, 0.03) !important;
            border-bottom: 1px solid var(--border-subtle);
        }
        .accordion-button::after {
            filter: invert(1);
        }
        .accordion-body {
            color: var(--text-muted);
            line-height: 1.8;
            padding: 1.5rem;
            font-size: 0.95rem;
        }

        /* 12. CTA Form Card */
        .form-vip-card {
            background: radial-gradient(circle at top right, rgba(217, 70, 239, 0.15), rgba(15, 23, 42, 0.95)),
                        linear-gradient(180deg, rgba(30, 41, 59, 0.9) 0%, rgba(8, 12, 22, 0.98) 100%);
            border: 1px solid rgba(245, 158, 11, 0.3);
            border-radius: var(--radius-lg);
            padding: 3.5rem 3rem;
            box-shadow: var(--shadow-gold);
        }
        .form-control-custom {
            background: rgba(15, 23, 42, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 0.85rem 1.25rem;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            width: 100%;
            transition: all 0.3s ease;
        }
        .form-control-custom:focus {
            background: rgba(15, 23, 42, 1);
            border-color: #f59e0b;
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.25);
            color: #fff;
            outline: none;
        }

        /* Footer */
        .site-footer {
            background: #040711;
            border-top: 1px solid var(--border-subtle);
            padding: 4.5rem 0 2rem;
            color: var(--text-dim);
            font-size: 0.9rem;
        }
        .footer-title {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }
        .footer-links li {
            list-style: none;
            margin-bottom: 0.65rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: 3.5rem;
            padding-top: 1.75rem;
        }

        /* Responsive Breakpoints */
        @media (max-width: 991px) {
            .hero-h1 { font-size: 2.2rem; }
            .timeline-line { display: none; }
            .form-vip-card { padding: 2rem 1.5rem; }
            .section-padding { padding: 3.5rem 0; }
        }
        @media (max-width: 576px) {
            .hero-h1 { font-size: 1.75rem; }
            .section-title { font-size: 1.65rem; }
            .stat-number { font-size: 1.85rem; }
            .nav-search-wrap { margin: 0.75rem 0; }
        }

/* roulang page: category1 */
:root {
      --bg-primary: #080c16;
      --bg-secondary: #0f172a;
      --bg-card: rgba(30, 41, 59, 0.7);
      --bg-card-hover: rgba(51, 65, 85, 0.85);
      --brand-gradient: linear-gradient(135deg, #6366f1 0%, #d946ef 100%);
      --gold-gradient: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
      --accent-gold: #f59e0b;
      --accent-emerald: #10b981;
      --accent-purple: #818cf8;
      --text-main: #ffffff;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --border-subtle: rgba(255, 255, 255, 0.08);
      --border-glow: rgba(99, 102, 241, 0.35);
      --radius-sm: 0.75rem;
      --radius-md: 1.25rem;
      --radius-lg: 1.75rem;
      --shadow-glow: 0 10px 30px -10px rgba(99, 102, 241, 0.3);
      --shadow-gold: 0 10px 25px -8px rgba(245, 158, 11, 0.35);
    }
    body {
      background-color: var(--bg-primary);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
      line-height: 1.75;
      letter-spacing: 0.02em;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    a:hover {
      color: var(--accent-gold);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    /* Navbar */
    .search-navbar {
      background: rgba(8, 12, 22, 0.85);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-subtle);
      padding: 0.85rem 0;
      position: sticky;
      top: 0;
      z-index: 1050;
      transition: all 0.3s ease;
    }
    .navbar-brand {
      font-weight: 800;
      font-size: 1.25rem;
      color: var(--text-main) !important;
      display: flex;
      align-items: center;
      gap: 0.65rem;
      letter-spacing: -0.01em;
    }
    .brand-icon-box {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: var(--brand-gradient);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.1rem;
      box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
    }
    .nav-search-wrap {
      max-width: 520px;
      width: 100%;
      position: relative;
    }
    .nav-search-input {
      background: rgba(30, 41, 59, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 50px;
      padding: 0.6rem 3.5rem 0.6rem 2.75rem;
      color: #fff;
      font-size: 0.9rem;
      width: 100%;
      transition: all 0.25s ease;
    }
    .nav-search-input:focus {
      outline: none;
      border-color: #818cf8;
      background: rgba(30, 41, 59, 1);
      box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
    }
    .nav-search-icon {
      position: absolute;
      left: 1rem;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      pointer-events: none;
    }
    .nav-search-tag {
      position: absolute;
      right: 0.5rem;
      top: 50%;
      transform: translateY(-50%);
      background: rgba(99, 102, 241, 0.25);
      color: #c7d2fe;
      font-size: 0.75rem;
      padding: 0.2rem 0.6rem;
      border-radius: 20px;
      border: 1px solid rgba(99, 102, 241, 0.4);
    }
    .nav-link-custom {
      color: var(--text-muted);
      font-weight: 500;
      padding: 0.5rem 1rem;
      border-radius: 8px;
      font-size: 0.95rem;
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--accent-gold);
      background: rgba(245, 158, 11, 0.08);
    }

    /* Common Components */
    .pulse-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent-emerald);
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse 1.8s infinite;
      display: inline-block;
    }
    @keyframes pulse {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }
    .section-padding {
      padding: 4.5rem 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-secondary);
    }
    .section-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.35rem 0.95rem;
      border-radius: 50px;
      background: rgba(99, 102, 241, 0.12);
      border: 1px solid var(--border-glow);
      color: #a5b4fc;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 0.85rem;
      letter-spacing: 0.03em;
    }
    .app-card {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 1.75rem;
      height: 100%;
      transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .app-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
      background: var(--bg-card-hover);
    }
    .btn-brand-gradient {
      background: var(--brand-gradient);
      color: #fff !important;
      font-weight: 600;
      border: none;
      padding: 0.7rem 1.6rem;
      border-radius: 50px;
      box-shadow: var(--shadow-glow);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      transition: all 0.3s ease;
    }
    .btn-brand-gradient:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(99, 102, 241, 0.45);
      color: #fff;
    }
    .btn-outline-glow {
      background: rgba(30, 41, 59, 0.6);
      border: 1px solid var(--border-glow);
      color: #e2e8f0;
      padding: 0.5rem 1.25rem;
      border-radius: 50px;
      font-weight: 500;
      font-size: 0.9rem;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      transition: all 0.25s ease;
    }
    .btn-outline-glow:hover, .btn-outline-glow.active {
      background: var(--brand-gradient);
      border-color: transparent;
      color: #fff;
      box-shadow: var(--shadow-glow);
    }

    /* Category Specific Styles */
    .cat-header-box {
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(8, 12, 22, 0.98) 100%);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-lg);
      padding: 3rem 2rem;
      position: relative;
      overflow: hidden;
    }
    .cat-header-bg {
      position: absolute;
      top: 0;
      right: 0;
      width: 45%;
      height: 100%;
      object-fit: cover;
      opacity: 0.18;
      mask-image: linear-gradient(to left, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
      -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,1) 0%, rgba(0,0,0,0) 100%);
    }
    .stat-pill {
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 0.5rem 1rem;
      border-radius: 30px;
      font-size: 0.85rem;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }
    .filter-panel {
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 1.25rem 1.75rem;
    }
    .filter-group-label {
      font-size: 0.85rem;
      color: var(--text-dim);
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      min-width: 80px;
    }
    .item-cover-wrap {
      position: relative;
      border-radius: var(--radius-sm);
      overflow: hidden;
      aspect-ratio: 16 / 9;
      background: #1e293b;
      margin-bottom: 1.25rem;
    }
    .item-cover-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .app-card:hover .item-cover-wrap img {
      transform: scale(1.05);
    }
    .badge-float {
      position: absolute;
      top: 0.75rem;
      left: 0.75rem;
      font-size: 0.75rem;
      padding: 0.3rem 0.65rem;
      border-radius: 6px;
      backdrop-filter: blur(8px);
    }
    .badge-spec {
      position: absolute;
      bottom: 0.75rem;
      right: 0.75rem;
      font-size: 0.7rem;
      padding: 0.2rem 0.5rem;
      border-radius: 4px;
      background: rgba(0, 0, 0, 0.75);
      color: #cbd5e1;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .meta-tag {
      font-size: 0.75rem;
      padding: 0.2rem 0.55rem;
      border-radius: 4px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-muted);
      border: 1px solid rgba(255, 255, 255, 0.06);
    }
    .rank-num {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 0.95rem;
    }
    .rank-top-1 { background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff; }
    .rank-top-2 { background: linear-gradient(135deg, #94a3b8, #64748b); color: #fff; }
    .rank-top-3 { background: linear-gradient(135deg, #b45309, #78350f); color: #fff; }
    .rank-other { background: rgba(255, 255, 255, 0.06); color: var(--text-muted); }
    .accordion-item {
      background: var(--bg-card);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-sm) !important;
      margin-bottom: 1rem;
      overflow: hidden;
    }
    .accordion-button {
      background: transparent;
      color: var(--text-main);
      font-weight: 600;
      box-shadow: none !important;
      padding: 1.2rem 1.5rem;
    }
    .accordion-button:not(.collapsed) {
      background: rgba(99, 102, 241, 0.08);
      color: #c7d2fe;
      border-bottom: 1px solid var(--border-subtle);
    }
    .accordion-button::after {
      filter: invert(1);
    }
    .accordion-body {
      color: var(--text-muted);
      font-size: 0.95rem;
      line-height: 1.8;
      padding: 1.5rem;
    }

    /* Footer */
    .site-footer {
      background: #050811;
      border-top: 1px solid var(--border-subtle);
      padding: 4.5rem 0 2rem 0;
    }
    .footer-title {
      font-size: 1rem;
      font-weight: 700;
      color: #fff;
      margin-bottom: 1.25rem;
      letter-spacing: 0.02em;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 0.65rem;
    }
    .footer-links a {
      color: var(--text-muted);
      font-size: 0.9rem;
    }
    .footer-links a:hover {
      color: var(--accent-gold);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 2rem;
      margin-top: 3.5rem;
    }
    .text-dim { color: var(--text-dim); }
    .page-nav-link {
      background: rgba(30, 41, 59, 0.8);
      border: 1px solid var(--border-subtle);
      color: var(--text-main);
      width: 40px;
      height: 40px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.9rem;
    }
    .page-nav-link.active, .page-nav-link:hover {
      background: var(--brand-gradient);
      color: #fff;
      border-color: transparent;
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}