/* roulang page: index */
:root {
      --bg-deep: #070d18;
      --bg-canvas: #0c1527;
      --primary-cyan: #00e5ff;
      --accent-blue: #2979ff;
      --accent-emerald: #00e676;
      --text-light: #f0f4f8;
      --text-muted: #8da2be;
      --glass-bg: rgba(16, 28, 54, 0.7);
      --glass-border: rgba(0, 229, 255, 0.18);
    }

    body {
      background-color: var(--bg-deep);
      color: var(--text-light);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
      line-height: 1.6;
    }

    .glass-card {
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 8px 32px 0 rgba(0, 0, 0, 0.37);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .glass-card:hover {
      border-color: rgba(0, 229, 255, 0.45);
      transform: translateY(-3px);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 14px 40px -10px rgba(0, 229, 255, 0.22);
    }

    .btn-glow-primary {
      background: linear-gradient(135deg, #00e5ff 0%, #2979ff 100%);
      color: #070d18;
      font-weight: 700;
      box-shadow: 0 0 22px rgba(0, 229, 255, 0.45);
      transition: all 0.3s ease;
    }

    .btn-glow-primary:hover {
      box-shadow: 0 0 32px rgba(0, 229, 255, 0.75);
      transform: translateY(-2px);
      color: #030811;
    }

    .btn-glow-secondary {
      background: rgba(16, 28, 54, 0.85);
      border: 1px solid rgba(0, 229, 255, 0.35);
      color: #00e5ff;
      transition: all 0.3s ease;
    }

    .btn-glow-secondary:hover {
      background: rgba(0, 229, 255, 0.12);
      border-color: #00e5ff;
      box-shadow: 0 0 18px rgba(0, 229, 255, 0.25);
      transform: translateY(-2px);
    }

    .text-gradient {
      background: linear-gradient(135deg, #ffffff 20%, #00e5ff 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .badge-cyan {
      background: rgba(0, 229, 255, 0.1);
      border: 1px solid rgba(0, 229, 255, 0.3);
      color: #00e5ff;
    }

    .badge-green {
      background: rgba(0, 230, 118, 0.12);
      border: 1px solid rgba(0, 230, 118, 0.3);
      color: #00e676;
    }

    details[open] summary svg {
      transform: rotate(180deg);
    }

    /* 自定义滚动条 */
    ::-webkit-scrollbar {
      width: 8px;
    }
    ::-webkit-scrollbar-track {
      background: #070d18;
    }
    ::-webkit-scrollbar-thumb {
      background: #1c2b48;
      border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #00e5ff;
    }