/* roulang page: index */
:root {
      --primary: #0f4c3a;
      --primary-dark: #09231b;
      --accent: #059669;
      --warning: #d97706;
      --bg-light: #f8fafc;
      --bg-alt: #f1f5f9;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: #ffffff;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 9999px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb:hover {
      background: #94a3b8;
    }
    .hero-banner-bg {
      background-image: linear-gradient(105deg, rgba(15, 76, 58, 0.94) 0%, rgba(9, 35, 27, 0.88) 100%), url('/assets/images/d471d0d3e4730e1d.webp');
      background-size: cover;
      background-position: center;
    }
    .dark-screen-bg {
      background-image: radial-gradient(circle at 50% 30%, rgba(5, 150, 105, 0.15) 0%, rgba(9, 35, 27, 1) 75%), url('/assets/images/9c793c74612851fc.webp');
      background-size: cover;
      background-position: center;
    }
    .cta-card-bg {
      background-image: linear-gradient(135deg, rgba(15, 76, 58, 0.97) 0%, rgba(6, 23, 18, 0.98) 100%), url('/assets/images/ca739a289173152a.jpg');
      background-size: cover;
      background-position: center;
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
    }
    .accordion-content.active {
      max-height: 380px;
    }