/* roulang page: index */
:root {
      --bg-dark: #0a0f1d;
      --bg-card: rgba(15, 23, 42, 0.75);
      --border-glow: rgba(0, 242, 254, 0.2);
      --neon-cyan: #00f2fe;
      --neon-blue: #4facfe;
    }
    body {
      background-color: #0a0f1d;
      color: #94a3b8;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .glow-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: 0 10px 30px 0 rgba(0, 0, 0, 0.4);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glow-card:hover {
      border-color: rgba(0, 242, 254, 0.4);
      box-shadow: 0 12px 35px 0 rgba(0, 242, 254, 0.15);
      transform: translateY(-3px);
    }
    .glow-btn {
      background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
      box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
      transition: all 0.3s ease;
    }
    .glow-btn:hover {
      box-shadow: 0 0 28px rgba(0, 242, 254, 0.65);
      transform: translateY(-1px);
    }
    .glow-btn-danger {
      background: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);
      box-shadow: 0 0 20px rgba(255, 65, 108, 0.4);
    }
    .glow-btn-danger:hover {
      box-shadow: 0 0 28px rgba(255, 65, 108, 0.7);
    }