/* roulang page: index */
:root {
      --primary-green: #0D5C3A;
      --primary-dark: #084028;
      --accent-amber: #D97706;
      --bg-slate: #F8FAFC;
      --border-color: #E2E8F0;
      --text-main: #1E293B;
      --text-muted: #64748B;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-slate);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(13, 92, 58, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-transition:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 35px -8px rgba(13, 92, 58, 0.15);
    }
    .hero-pattern {
      background-image: radial-gradient(rgba(13, 92, 58, 0.08) 1px, transparent 0);
      background-size: 24px 24px;
    }
    details summary::-webkit-details-marker {
      display: none;
    }