/* roulang page: index */
:root {
      --bg-base: #080C14;
      --bg-card: rgba(15, 23, 42, 0.55);
      --border-glow: rgba(255, 255, 255, 0.08);
      --primary-glow: rgba(37, 99, 235, 0.35);
      --cyan-glow: rgba(6, 182, 212, 0.4);
    }
    body {
      background-color: var(--bg-base);
      color: #F8FAFC;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .glass-panel {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-glow);
    }
    .glass-panel-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glass-panel-hover:hover {
      border-color: rgba(59, 130, 246, 0.5);
      box-shadow: 0 0 25px rgba(37, 99, 235, 0.22);
      transform: translateY(-3px);
    }
    .glow-btn {
      background: linear-gradient(135deg, #2563EB 0%, #4F46E5 50%, #06B6D4 100%);
      box-shadow: 0 0 20px rgba(37, 99, 235, 0.45);
      transition: all 0.3s ease;
    }
    .glow-btn:hover {
      box-shadow: 0 0 30px rgba(6, 182, 212, 0.65);
      transform: scale(1.02);
    }
    .badge-glow {
      border: 1px solid rgba(6, 182, 212, 0.4);
      background: rgba(6, 182, 212, 0.08);
    }
    /* 平滑折叠 */
    details summary::-webkit-details-marker { display: none; }
    details[open] summary { border-color: rgba(6, 182, 212, 0.5); }