/* roulang page: index */
:root {
      --primary: #0A5C36;
      --primary-light: #10B981;
      --accent: #C8F135;
      --dark-bg: #062818;
      --text-main: #111827;
      --text-muted: #475569;
      --bg-page: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-container {
      max-width: 1240px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }
    @media (min-width: 768px) {
      .custom-container {
        padding-left: 32px;
        padding-right: 32px;
      }
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(6, 40, 24, 0.94) 0%, rgba(10, 92, 54, 0.88) 100%), url('/assets/images/67eb02d7a59d9954.png') center/cover no-repeat;
    }
    .card-hover-effect {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 30px -8px rgba(10, 92, 54, 0.16);
    }
    .sticky-nav-glass {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
    }
    .stat-number {
      font-family: "Trebuchet MS", Inter, system-ui, sans-serif;
    }
    /* 手风琴开关 */
    details > summary {
      list-style: none;
    }
    details > summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary svg {
      transform: rotate(180deg);
    }