/* roulang page: index */
:root {
      --primary: #059669;
      --accent: #0d9488;
      --bg-base: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 16px 32px -4px rgba(5, 150, 105, 0.12), 0 6px 16px -2px rgba(15, 23, 42, 0.06);
      transform: translateY(-4px);
    }
    .hero-banner-bg {
      background-image: linear-gradient(rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.94)), url('/assets/images/74847d2058c47e30.png');
      background-size: cover;
      background-position: center;
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .accordion-item.active .accordion-content {
      max-height: 240px;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
    }