/* roulang page: index */
:root {
      --primary: #0F172A;
      --accent: #2563EB;
      --accent-green: #10B981;
      --surface: #FFFFFF;
      --surface-subtle: #F8FAFC;
      --border-color: #E2E8F0;
      --text-main: #1E293B;
      --text-muted: #64748B;
    }
    body {
      font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      color: var(--text-main);
      background-color: var(--surface-subtle);
      line-height: 1.7;
    }
    .ticket-edge-left {
      position: relative;
    }
    .ticket-edge-left::before {
      content: '';
      position: absolute;
      left: -12px;
      top: 50%;
      transform: translateY(-50%);
      width: 24px;
      height: 24px;
      background-color: #F8FAFC;
      border-radius: 50%;
      box-shadow: inset -2px 0 3px rgba(0,0,0,0.06);
    }
    .ticket-edge-right {
      position: relative;
    }
    .ticket-edge-right::after {
      content: '';
      position: absolute;
      right: -12px;
      top: 50%;
      transform: translateY(-50%);
      width: 24px;
      height: 24px;
      background-color: #F8FAFC;
      border-radius: 50%;
      box-shadow: inset 2px 0 3px rgba(0,0,0,0.06);
    }
    details > summary::-webkit-details-marker {
      display: none;
    }