/* roulang page: index */
:root {
            --bg-deep: #0a0d14;
            --bg-subtle: #101622;
            --card-surface: #161f30;
            --card-hover: #1c273d;
            --brand-gradient: linear-gradient(135deg, #7928ca 0%, #4338ca 50%, #00dfd8 100%);
            --brand-glow: rgba(0, 223, 216, 0.25);
            --accent-green: #00f5a0;
            --accent-orange: #ff5e3a;
            --accent-purple: #a855f7;
            --text-pure: #ffffff;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-glow: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 223, 216, 0.4);
            --radius-lg: 1.5rem;
            --radius-md: 1rem;
            --radius-pill: 50rem;
            --shadow-deep: 0 16px 36px -8px rgba(0, 0, 0, 0.6), 0 0 24px rgba(0, 223, 216, 0.06);
        }

        body {
            background-color: var(--bg-deep);
            color: var(--text-pure);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.65;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

        .cyber-navbar {
            background: rgba(10, 13, 20, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glow);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0.85rem 0;
        }

        .brand-logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-pill);
            transition: all 0.2s ease;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--text-pure) !important;
            background: rgba(255, 255, 255, 0.05);
        }

        .lang-switch-capsule {
            display: inline-flex;
            align-items: center;
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-pill);
            padding: 0.25rem 0.4rem;
            background: rgba(22, 31, 48, 0.6);
        }

        .lang-item {
            padding: 0.25rem 0.75rem;
            font-size: 0.8rem;
            border-radius: var(--radius-pill);
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .lang-item.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            font-weight: 600;
        }

        .btn-brand-cta {
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.6rem;
            border: none;
            box-shadow: 0 4px 18px var(--brand-glow);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-brand-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 223, 216, 0.4);
            color: #fff;
        }

        .btn-brand-outline {
            background: transparent;
            color: var(--text-pure);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.5rem;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .btn-brand-outline:hover {
            border-color: #00dfd8;
            background: rgba(0, 223, 216, 0.08);
            color: #fff;
        }

        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent-green);
            display: inline-block;
            box-shadow: 0 0 0 0 rgba(0, 245, 160, 0.7);
            animation: pulse 1.8s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 160, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 245, 160, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 160, 0); }
        }

        .cyber-card {
            background: var(--card-surface);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-deep);
            transition: all 0.3s ease;
            position: relative;
            height: 100%;
        }

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

        .section-padding {
            padding: 5rem 0;
            position: relative;
        }

        .badge-cyber {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.85rem;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glow);
            color: var(--text-secondary);
        }

        .badge-warning-soft {
            background: rgba(255, 94, 58, 0.12);
            color: var(--accent-orange);
            border-color: rgba(255, 94, 58, 0.3);
        }

        .badge-success-soft {
            background: rgba(0, 245, 160, 0.12);
            color: var(--accent-green);
            border-color: rgba(0, 245, 160, 0.3);
        }

        .hero-diagonal {
            position: relative;
            padding: 6.5rem 0 5.5rem;
            background: radial-gradient(circle at 80% 20%, rgba(67, 56, 202, 0.22) 0%, rgba(10, 13, 20, 0) 70%),
                        radial-gradient(circle at 15% 80%, rgba(0, 223, 216, 0.12) 0%, rgba(10, 13, 20, 0) 65%);
            border-bottom: 1px solid var(--border-glow);
        }

        .hero-h1 {
            font-size: 2.85rem;
            font-weight: 800;
            line-height: 1.22;
            letter-spacing: -1px;
            margin-bottom: 1.25rem;
        }

        .hero-gradient-txt {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 2rem;
            line-height: 1.75;
        }

        .status-metric-strip {
            background: rgba(22, 31, 48, 0.7);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            margin-top: 2.5rem;
        }

        .metric-val {
            font-size: 1.6rem;
            font-weight: 800;
            font-family: monospace, sans-serif;
            color: #fff;
        }

        .stat-card-badge {
            font-size: 2.75rem;
            font-weight: 800;
            font-family: monospace, sans-serif;
            letter-spacing: -1px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .timeline-step {
            position: relative;
            padding-left: 2rem;
            border-left: 2px dashed rgba(255, 255, 255, 0.15);
        }

        .timeline-step::before {
            content: '';
            position: absolute;
            left: -9px;
            top: 0;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #00dfd8;
            box-shadow: 0 0 12px #00dfd8;
        }

        .channel-portal-card {
            border: 1px solid rgba(0, 223, 216, 0.3);
            background: linear-gradient(180deg, rgba(22, 31, 48, 0.9) 0%, rgba(16, 22, 34, 0.95) 100%);
            position: relative;
            overflow: hidden;
        }

        .channel-portal-card::after {
            content: "";
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(121, 40, 202, 0.2) 0%, transparent 70%);
            pointer-events: none;
        }

        .accordion-cyber .accordion-item {
            background: var(--card-surface);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md) !important;
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .accordion-cyber .accordion-button {
            background: var(--card-surface);
            color: var(--text-pure);
            font-weight: 600;
            padding: 1.25rem 1.5rem;
            box-shadow: none !important;
        }

        .accordion-cyber .accordion-button:not(.collapsed) {
            color: #00dfd8;
            background: rgba(0, 223, 216, 0.05);
            border-bottom: 1px solid var(--border-glow);
        }

        .accordion-cyber .accordion-body {
            color: var(--text-secondary);
            padding: 1.25rem 1.5rem;
            line-height: 1.7;
        }

        .cyber-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-glow);
        }

        .cyber-table th {
            background: rgba(22, 31, 48, 0.9);
            color: var(--text-secondary);
            padding: 1rem 1.25rem;
            font-weight: 600;
            border-bottom: 1px solid var(--border-glow);
        }

        .cyber-table td {
            background: var(--card-surface);
            padding: 1.1rem 1.25rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            color: var(--text-pure);
            vertical-align: middle;
        }

        .cyber-table tr:last-child td {
            border-bottom: none;
        }

        .cta-box-surface {
            background: radial-gradient(circle at 10% 20%, rgba(121, 40, 202, 0.35) 0%, rgba(16, 22, 34, 0.95) 75%),
                        linear-gradient(135deg, rgba(67, 56, 202, 0.4) 0%, rgba(0, 223, 216, 0.25) 100%);
            border: 1px solid rgba(0, 223, 216, 0.35);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2.5rem;
            box-shadow: var(--shadow-deep);
        }

        .footer-nav-link {
            color: var(--text-muted);
            font-size: 0.9rem;
            display: block;
            margin-bottom: 0.6rem;
            transition: color 0.2s ease;
        }

        .footer-nav-link:hover {
            color: #00dfd8;
        }

        @media (max-width: 991.98px) {
            .hero-h1 { font-size: 2.2rem; }
            .section-padding { padding: 3.75rem 0; }
        }

        @media (max-width: 767.98px) {
            .hero-h1 { font-size: 1.85rem; }
            .cyber-card { padding: 1.5rem; }
            .cta-box-surface { padding: 2rem 1.5rem; }
        }

/* roulang page: category2 */
:root {
      --bg-deep: #0a0d14;
      --bg-subtle: #101622;
      --card-surface: #161f30;
      --card-hover: #1c273d;
      --brand-gradient: linear-gradient(135deg, #7928ca 0%, #4338ca 50%, #00dfd8 100%);
      --brand-glow: rgba(0, 223, 216, 0.25);
      --accent-green: #00f5a0;
      --accent-orange: #ff5e3a;
      --accent-purple: #a855f7;
      --text-pure: #ffffff;
      --text-secondary: #94a3b8;
      --text-muted: #64748b;
      --border-glow: rgba(255, 255, 255, 0.08);
      --border-hover: rgba(0, 223, 216, 0.4);
      --radius-lg: 1.5rem;
      --radius-md: 1rem;
      --radius-pill: 50rem;
      --shadow-deep: 0 16px 36px -8px rgba(0, 0, 0, 0.6), 0 0 24px rgba(0, 223, 216, 0.06);
    }
    body {
      background-color: var(--bg-deep);
      color: var(--text-pure);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: all 0.25s ease;
    }
    .cyber-navbar {
      background: rgba(10, 13, 20, 0.85);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-glow);
      position: sticky;
      top: 0;
      z-index: 1050;
      padding: 0.85rem 0;
    }
    .brand-logo-text {
      font-size: 1.35rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: var(--brand-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--accent-green);
      border-radius: 50%;
      display: inline-block;
      box-shadow: 0 0 10px var(--accent-green);
      animation: pulseAnim 1.8s infinite;
    }
    @keyframes pulseAnim {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 14px var(--accent-green); }
      100% { transform: scale(0.95); opacity: 0.8; }
    }
    .nav-link {
      color: var(--text-secondary) !important;
      font-weight: 500;
      padding: 0.5rem 1rem !important;
      border-radius: var(--radius-pill);
      transition: all 0.2s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--text-pure) !important;
      background: rgba(255, 255, 255, 0.05);
    }
    .lang-switch-capsule {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-pill);
      padding: 0.2rem 0.35rem;
      display: inline-flex;
      align-items: center;
      gap: 0.25rem;
    }
    .lang-item {
      padding: 0.25rem 0.75rem;
      font-size: 0.8rem;
      border-radius: var(--radius-pill);
      color: var(--text-muted);
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .lang-item.active {
      color: #fff;
      background: rgba(255, 255, 255, 0.12);
      font-weight: 600;
    }
    .btn-brand-cta {
      background: var(--brand-gradient);
      color: #fff;
      font-weight: 600;
      border-radius: var(--radius-pill);
      padding: 0.65rem 1.6rem;
      border: none;
      box-shadow: 0 4px 18px var(--brand-glow);
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }
    .btn-brand-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 24px rgba(0, 223, 216, 0.4);
      color: #fff;
    }
    .btn-brand-outline {
      background: transparent;
      color: var(--text-pure);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-pill);
      padding: 0.65rem 1.5rem;
      font-weight: 600;
      transition: all 0.25s ease;
    }
    .btn-brand-outline:hover {
      border-color: #00dfd8;
      background: rgba(0, 223, 216, 0.08);
      color: #fff;
    }
    .cyber-card {
      background: var(--card-surface);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 2rem;
      box-shadow: var(--shadow-deep);
      transition: all 0.3s ease;
      position: relative;
      height: 100%;
    }
    .cyber-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-4px);
      background: var(--card-hover);
    }
    .section-padding {
      padding: 5rem 0;
      position: relative;
    }
    .badge-cyber {
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
      padding: 0.35rem 0.85rem;
      border-radius: var(--radius-pill);
      font-size: 0.8rem;
      font-weight: 600;
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid var(--border-glow);
      color: var(--text-secondary);
    }
    .badge-warning-soft {
      background: rgba(255, 94, 58, 0.12);
      color: var(--accent-orange);
      border-color: rgba(255, 94, 58, 0.3);
    }
    .badge-success-soft {
      background: rgba(0, 245, 160, 0.12);
      color: var(--accent-green);
      border-color: rgba(0, 245, 160, 0.3);
    }
    .badge-purple-soft {
      background: rgba(168, 85, 247, 0.12);
      color: var(--accent-purple);
      border-color: rgba(168, 85, 247, 0.3);
    }
    .hero-banner-category {
      position: relative;
      padding: 4.5rem 0 3.8rem;
      background: radial-gradient(circle at 90% 10%, rgba(67, 56, 202, 0.28) 0%, rgba(10, 13, 20, 0) 65%),
                  radial-gradient(circle at 10% 90%, rgba(0, 223, 216, 0.15) 0%, rgba(10, 13, 20, 0) 60%),
                  #0c101a;
      border-bottom: 1px solid var(--border-glow);
    }
    .hero-h1-category {
      font-size: 2.35rem;
      font-weight: 800;
      line-height: 1.28;
      letter-spacing: -0.5px;
      margin-bottom: 1rem;
    }
    .text-gradient {
      background: var(--brand-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .scoreboard-metric {
      background: rgba(10, 13, 20, 0.7);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 1rem 1.4rem;
    }
    .tabular-val {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
      font-size: 1.85rem;
      font-weight: 800;
      color: var(--text-pure);
    }
    .tabs-nav-styled {
      background: #111724;
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-pill);
      padding: 0.35rem;
      display: inline-flex;
      flex-wrap: wrap;
      gap: 0.35rem;
    }
    .tab-btn-styled {
      border: none;
      background: transparent;
      color: var(--text-secondary);
      font-size: 0.9rem;
      font-weight: 600;
      padding: 0.55rem 1.35rem;
      border-radius: var(--radius-pill);
      transition: all 0.25s ease;
    }
    .tab-btn-styled.active, .tab-btn-styled:hover {
      background: var(--brand-gradient);
      color: #fff;
      box-shadow: 0 4px 14px rgba(0, 223, 216, 0.2);
    }
    .spec-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
    }
    .spec-table th {
      background: #121927;
      color: var(--text-muted);
      font-weight: 600;
      font-size: 0.85rem;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      padding: 1.1rem 1.25rem;
      border-bottom: 1px solid var(--border-glow);
    }
    .spec-table td {
      padding: 1.2rem 1.25rem;
      border-bottom: 1px solid var(--border-glow);
      color: var(--text-secondary);
      font-size: 0.92rem;
      vertical-align: middle;
    }
    .spec-table tr:last-child td {
      border-bottom: none;
    }
    .spec-table tr:hover td {
      background: rgba(255, 255, 255, 0.02);
      color: var(--text-pure);
    }
    .ticker-wrap {
      overflow: hidden;
      background: #0f1522;
      border-top: 1px solid var(--border-glow);
      border-bottom: 1px solid var(--border-glow);
      padding: 0.85rem 0;
      position: relative;
    }
    .ticker-move {
      display: flex;
      gap: 3rem;
      animation: tickerLoop 35s linear infinite;
      white-space: nowrap;
    }
    @keyframes tickerLoop {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }
    .ticker-item {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      font-size: 0.88rem;
      color: var(--text-secondary);
    }
    .custom-check-pill {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 0.85rem 1.1rem;
      display: flex;
      align-items: center;
      gap: 0.65rem;
      color: var(--text-pure);
      font-size: 0.92rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .custom-check-pill:hover {
      border-color: #00dfd8;
      background: rgba(0, 223, 216, 0.06);
    }
    .footer-cyber {
      background: #080a10;
      border-top: 1px solid var(--border-glow);
      padding: 4.5rem 0 2rem;
    }
    .hover-white:hover {
      color: #fff !important;
    }
    @media (max-width: 991.98px) {
      .hero-h1-category { font-size: 1.9rem; }
      .cyber-navbar nav { display: none; }
    }

/* roulang page: category1 */
:root {
            --bg-deep: #0a0d14;
            --bg-subtle: #101622;
            --card-surface: #161f30;
            --card-hover: #1c273d;
            --brand-gradient: linear-gradient(135deg, #7928ca 0%, #4338ca 50%, #00dfd8 100%);
            --brand-glow: rgba(0, 223, 216, 0.25);
            --accent-green: #00f5a0;
            --accent-orange: #ff5e3a;
            --accent-purple: #a855f7;
            --text-pure: #ffffff;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-glow: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 223, 216, 0.4);
            --radius-lg: 1.5rem;
            --radius-md: 1rem;
            --radius-pill: 50rem;
            --shadow-deep: 0 16px 36px -8px rgba(0, 0, 0, 0.6), 0 0 24px rgba(0, 223, 216, 0.06);
        }

        body {
            background-color: var(--bg-deep);
            color: var(--text-pure);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.65;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

        .cyber-navbar {
            background: rgba(10, 13, 20, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-glow);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 0.85rem 0;
        }

        .brand-logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .pulse-dot {
            width: 8px;
            height: 8px;
            background-color: var(--accent-green);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 10px var(--accent-green);
            animation: pulse-ring 2s infinite ease-in-out;
        }

        @keyframes pulse-ring {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.3); opacity: 1; filter: drop-shadow(0 0 6px var(--accent-green)); }
            100% { transform: scale(0.95); opacity: 0.8; }
        }

        .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-pill);
            transition: all 0.2s ease;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--text-pure) !important;
            background: rgba(255, 255, 255, 0.05);
        }

        .lang-switch-capsule {
            border: 1px solid var(--border-glow);
            padding: 2px;
            border-radius: var(--radius-pill);
            background: rgba(0, 0, 0, 0.3);
            display: inline-flex;
            align-items: center;
        }

        .lang-item {
            padding: 0.25rem 0.75rem;
            font-size: 0.8rem;
            border-radius: var(--radius-pill);
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .lang-item.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            font-weight: 600;
        }

        .btn-brand-cta {
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-pill);
            padding: 0.65rem 1.6rem;
            border: none;
            box-shadow: 0 4px 18px var(--brand-glow);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-brand-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(0, 223, 216, 0.4);
            color: #fff;
        }

        .cyber-card {
            background: var(--card-surface);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-deep);
            transition: all 0.3s ease;
            position: relative;
        }

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

        .section-padding {
            padding: 4.5rem 0;
            position: relative;
        }

        .badge-cyber {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.85rem;
            border-radius: var(--radius-pill);
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border-glow);
            color: var(--text-secondary);
        }

        .badge-success-soft {
            background: rgba(0, 245, 160, 0.12);
            color: var(--accent-green);
            border-color: rgba(0, 245, 160, 0.3);
        }

        .badge-warning-soft {
            background: rgba(255, 94, 58, 0.12);
            color: var(--accent-orange);
            border-color: rgba(255, 94, 58, 0.3);
        }

        .badge-purple-soft {
            background: rgba(168, 85, 247, 0.12);
            color: var(--accent-purple);
            border-color: rgba(168, 85, 247, 0.3);
        }

        /* Banner Header */
        .category-banner {
            padding: 3.5rem 0 2.5rem;
            background: radial-gradient(circle at 10% 20%, rgba(67, 56, 202, 0.3) 0%, rgba(10, 13, 20, 0) 70%),
                        radial-gradient(circle at 90% 80%, rgba(0, 223, 216, 0.15) 0%, rgba(10, 13, 20, 0) 60%);
            border-bottom: 1px solid var(--border-glow);
        }

        .category-h1 {
            font-size: 2.25rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 0.75rem;
        }

        .gradient-text {
            background: var(--brand-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* Filter Toolbar */
        .filter-capsule-group {
            background: rgba(16, 22, 34, 0.85);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-pill);
            padding: 0.4rem;
            display: inline-flex;
            flex-wrap: wrap;
            gap: 0.35rem;
        }

        .filter-btn {
            background: transparent;
            color: var(--text-secondary);
            border: none;
            border-radius: var(--radius-pill);
            padding: 0.45rem 1.15rem;
            font-size: 0.85rem;
            font-weight: 600;
            transition: all 0.2s ease;
        }

        .filter-btn:hover, .filter-btn.active {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-pure);
        }

        .filter-btn.active {
            background: var(--brand-gradient);
            box-shadow: 0 2px 10px rgba(0, 223, 216, 0.25);
        }

        /* Stream Channel Cards */
        .stream-card {
            border-radius: var(--radius-lg);
            background: var(--card-surface);
            border: 1px solid var(--border-glow);
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .stream-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-5px);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 223, 216, 0.12);
        }

        .card-stream-head {
            height: 140px;
            background: linear-gradient(135deg, #182338 0%, #0d131f 100%);
            position: relative;
            padding: 1rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .stream-status-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.65rem;
            border-radius: var(--radius-pill);
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .matrix-metric-item {
            background: rgba(10, 13, 20, 0.55);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 0.75rem;
            text-align: center;
        }

        .matrix-metric-num {
            font-family: monospace;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-pure);
        }

        /* FAQ Box */
        .faq-card-item {
            background: var(--card-surface);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: all 0.25s ease;
        }

        .faq-card-item:hover {
            border-color: rgba(0, 223, 216, 0.3);
            background: var(--card-hover);
        }

        /* Bottom Compact CTA */
        .bar-cta-container {
            background: linear-gradient(90deg, #171f33 0%, #201335 100%);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 2.25rem 2.5rem;
            box-shadow: var(--shadow-deep);
        }

        .form-input-cyber {
            background: rgba(10, 13, 20, 0.7);
            border: 1px solid var(--border-glow);
            color: #fff;
            border-radius: var(--radius-pill);
            padding: 0.75rem 1.5rem;
            font-size: 0.95rem;
        }

        .form-input-cyber:focus {
            outline: none;
            border-color: #00dfd8;
            box-shadow: 0 0 12px rgba(0, 223, 216, 0.25);
            background: rgba(10, 13, 20, 0.9);
            color: #fff;
        }

        .form-input-cyber::placeholder {
            color: var(--text-muted);
        }

        /* Footer */
        .footer-cyber {
            background: #06090e;
            border-top: 1px solid var(--border-glow);
            padding: 4.5rem 0 2.5rem;
        }

        .hover-white:hover {
            color: #fff !important;
        }

        .max-w-500 {
            max-width: 500px;
        }

        @media (max-width: 768px) {
            .category-h1 {
                font-size: 1.75rem;
            }
            .section-padding {
                padding: 3rem 0;
            }
            .bar-cta-container {
                padding: 1.75rem 1.25rem;
            }
        }

/* 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}