/* roulang page: index */
:root {
      --primary: #10B981;
      --primary-dark: #059669;
      --accent: #F97316;
      --dark-bg: #0F172A;
      --light-bg: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    html {
      scroll-behavior: smooth;
      font-size: 16px;
    }
    body {
      background-color: var(--light-bg);
      color: var(--text-main);
      overflow-x: hidden;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .hero-clip {
      clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4.5vw), 0 100%);
    }
    @media (max-width: 768px) {
      .hero-clip {
        clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), 0 100%);
      }
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 9999px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }