/* roulang page: index */
:root {
      --primary: #0052D9;
      --primary-hover: #0041b0;
      --accent: #00A4FF;
      --health: #00C292;
      --text-main: #0F172A;
      --text-muted: #475569;
      --bg-page: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
    }
    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    }
    .custom-shadow:hover {
      box-shadow: 0 12px 30px rgba(0, 82, 217, 0.12);
    }
    details summary::-webkit-details-marker {
      display:none;
    }