/* roulang page: index */
:root {
      --primary: #0F4C3A;
      --accent: #FF5E1E;
      --dark-bg: #111923;
      --surface: #F7F9F8;
      --text-main: #0E171E;
      --text-muted: #42526E;
    }
    * {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--surface);
      color: var(--text-muted);
      overflow-x: hidden;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 999px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }