/* roulang page: index */
:root {
      --bg-dark: #030712;
      --bg-card: rgba(11, 19, 43, 0.7);
      --border-glow: rgba(0, 210, 255, 0.25);
      --primary-cyan: #00D2FF;
      --primary-blue: #3A86FF;
      --accent-green: #10B981;
    }
    body {
      background-color: var(--bg-dark);
      color: #E2E8F0;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    .glass-panel {
      background: var(--bg-card);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid var(--border-glow);
    }
    .glass-card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-card-hover:hover {
      border-color: rgba(0, 210, 255, 0.6);
      transform: translateY(-4px);
      box-shadow: 0 12px 30px -10px rgba(0, 210, 255, 0.25);
    }
    .glow-btn-primary {
      background: linear-gradient(135deg, #00D2FF 0%, #3A86FF 100%);
      transition: all 0.3s ease;
      box-shadow: 0 0 15px rgba(0, 210, 255, 0.4);
    }
    .glow-btn-primary:hover {
      box-shadow: 0 0 25px rgba(0, 210, 255, 0.7);
      transform: translateY(-2px);
    }
    .glow-text {
      text-shadow: 0 0 20px rgba(0, 210, 255, 0.5);
    }