/* roulang page: index */
:root {
      --primary: #0E2A38;
      --accent: #10B981;
      --amber: #F59E0B;
      --surface: #F8FAFC;
      --card-bg: #FFFFFF;
      --dark-card: #0B131B;
      --text: #0F172A;
      --muted: #334155;
      --dim: #64748B;
      --border: #E2E8F0;
      scroll-padding-top: 110px;
    }
    body {
      background-color: var(--surface);
      color: var(--text);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      -webkit-font-smoothing: antialiased;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 4px;
    }
    details > summary::-webkit-details-marker {
      display: none;
    }