/* roulang page: index */
:root {
      --primary: #1B4332;
      --secondary: #C28E5C;
      --bg-paper: #F8F6F0;
      --ink: #1A1D1A;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-paper);
      color: var(--ink);
      overflow-x: hidden;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #C28E5C;
      border-radius: 4px;
    }
    .bg-hero-pattern {
      background-image: linear-gradient(rgba(13, 40, 24, 0.88), rgba(27, 67, 50, 0.92)), url('/assets/images/5f2621933e2960aa.webp');
      background-size: cover;
      background-position: center;
    }
    .bg-dark-accent {
      background-image: linear-gradient(rgba(13, 40, 24, 0.94), rgba(13, 40, 24, 0.96)), url('/assets/images/f54a41a9b24eda98.webp');
      background-size: cover;
      background-position: center;
    }
    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px -4px rgba(27, 67, 50, 0.12);
    }
    details > summary {
      list-style: none;
    }
    details > summary::-webkit-details-marker {
      display: none;
    }