/* roulang page: index */
:root {
            --bg-dark: #070b14;
            --bg-card: rgba(15, 23, 42, 0.75);
            --border-glow: rgba(56, 189, 248, 0.2);
            --accent-cyan: #38bdf8;
            --accent-blue: #2563eb;
            --accent-gold: #f59e0b;
        }
        body {
            background-color: var(--bg-dark);
            color: #e2e8f0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }
        .glass-panel {
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-glow);
        }
        .glass-panel-gold {
            background: rgba(30, 27, 20, 0.7);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .glow-btn {
            background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
            transition: all 0.3s ease;
        }
        .glow-btn:hover {
            box-shadow: 0 0 25px rgba(56, 189, 248, 0.7);
            transform: translateY(-2px);
        }
        .glow-btn-gold {
            background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
            box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
            transition: all 0.3s ease;
        }
        .glow-btn-gold:hover {
            box-shadow: 0 0 25px rgba(245, 158, 11, 0.7);
            transform: translateY(-2px);
        }
        .badge-cyan {
            background: rgba(56, 189, 248, 0.15);
            border: 1px solid rgba(56, 189, 248, 0.4);
            color: #38bdf8;
        }
        .badge-gold {
            background: rgba(245, 158, 11, 0.15);
            border: 1px solid rgba(245, 158, 11, 0.4);
            color: #fbbf24;
        }
        .line-clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

/* roulang page: category1 */
:root {
      --bg-dark: #070b14;
      --bg-card: rgba(15, 23, 42, 0.75);
      --border-glow: rgba(56, 189, 248, 0.2);
      --accent-cyan: #38bdf8;
      --accent-blue: #2563eb;
      --accent-gold: #f59e0b;
    }
    body {
      background-color: var(--bg-dark);
      color: #e2e8f0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    .glass-panel {
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .glow-btn {
      background: linear-gradient(135deg, #0284c7 0%, #2563eb 100%);
      box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
      transition: all 0.3s ease;
    }
    .glow-btn:hover {
      box-shadow: 0 0 25px rgba(56, 189, 248, 0.7);
      transform: translateY(-2px);
    }
    .glow-btn-gold {
      background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
      box-shadow: 0 0 20px rgba(245, 158, 11, 0.4);
      transition: all 0.3s ease;
    }
    .glow-btn-gold:hover {
      box-shadow: 0 0 25px rgba(245, 158, 11, 0.7);
      transform: translateY(-2px);
    }
    .badge-cyan {
      background: rgba(56, 189, 248, 0.15);
      border: 1px solid rgba(56, 189, 248, 0.4);
      color: #38bdf8;
    }
    .badge-gold {
      background: rgba(245, 158, 11, 0.15);
      border: 1px solid rgba(245, 158, 11, 0.4);
      color: #fbbf24;
    }
    .category-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glow);
      transition: all 0.3s ease;
    }
    .category-card:hover {
      border-color: rgba(56, 189, 248, 0.6);
      transform: translateY(-4px);
      box-shadow: 0 10px 30px -10px rgba(56, 189, 248, 0.3);
    }