/* roulang page: index */
:root {
      --primary-color: #059669;
      --primary-hover: #047857;
      --accent-color: #f97316;
      --accent-hover: #ea580c;
      --text-main: #0f172a;
      --text-muted: #475569;
      --bg-page: #f8fafc;
      --card-bg: #ffffff;
      --border-color: #e2e8f0;
    }
    body {
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .shadow-soft {
      box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
    }
    .hero-banner-bg {
      background-image: linear-gradient(180deg, rgba(15, 23, 42, 0.72) 0%, rgba(15, 23, 42, 0.90) 100%), url('/assets/images/58103365c67b3b30.jpg');
      background-size: cover;
      background-position: center;
    }
    .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 20px 25px -5px rgba(5, 150, 105, 0.1), 0 10px 10px -5px rgba(5, 150, 105, 0.04);
      border-color: #10b981;
    }
    .faq-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out, padding 0.3s ease;
    }
    .faq-item.active .faq-content {
      max-height: 300px;
    }
    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }