/* roulang page: index */
:root {
            --bg-main: #060a12;
            --card-glass: rgba(15, 27, 56, 0.65);
            --border-glass: rgba(56, 189, 248, 0.18);
            --border-hover: rgba(0, 240, 255, 0.45);
        }
        body {
            background-color: var(--bg-main);
            color: #e2e8f0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
        }
        .glass-card {
            background: var(--card-glass);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .glass-card:hover {
            border-color: var(--border-hover);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(0, 240, 255, 0.12);
        }
        .btn-glow {
            background: linear-gradient(135deg, #0284c7 0%, #00f0ff 100%);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            transition: all 0.3s ease;
        }
        .btn-glow:hover {
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.7);
            transform: translateY(-1px);
        }
        .text-glow {
            text-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
        }

/* roulang page: category1 */
:root {
      --bg-main: #060a12;
      --card-glass: rgba(15, 27, 56, 0.65);
      --border-glass: rgba(56, 189, 248, 0.18);
      --border-hover: rgba(0, 240, 255, 0.45);
    }
    body {
      background-color: var(--bg-main);
      color: #e2e8f0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    }
    .glass-card {
      background: var(--card-glass);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glass);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card:hover {
      border-color: var(--border-hover);
      transform: translateY(-2px);
      box-shadow: 0 12px 30px rgba(0, 240, 255, 0.12);
    }
    .btn-glow {
      background: linear-gradient(135deg, #0284c7 0%, #00f0ff 100%);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.7);
      transform: translateY(-1px);
    }
    .text-glow {
      text-shadow: 0 0 12px rgba(56, 189, 248, 0.5);
    }
    .countdown-box {
      background: rgba(2, 6, 23, 0.85);
      border: 1px solid rgba(56, 189, 248, 0.3);
    }
    .pulse-dot {
      animation: pulseAnim 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
    }
    @keyframes pulseAnim {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: .4; transform: scale(1.15); }
    }