/* roulang page: index */
:root {
      --primary: #0F2942;
      --secondary: #2E7D5B;
      --accent: #D97736;
      --bg-dark: #0B1A2C;
      --bg-light: #F8FAFC;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }

    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
      line-height: 1.65;
    }

    .hero-bg {
      background-image: linear-gradient(135deg, rgba(11, 26, 44, 0.92) 0%, rgba(15, 41, 66, 0.88) 100%), url('/assets/images/61c9496b4cf8b454.jpg');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
    }

    .card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 16px 30px -10px rgba(15, 41, 66, 0.12);
    }

    details summary::-webkit-details-marker {
      display: none;
    }
    details summary {
      list-style: none;
    }
    details[open] summary .faq-icon {
      transform: rotate(180deg);
    }

    .custom-scrollbar::-webkit-scrollbar {
      width: 6px;
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 9999px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb:hover {
      background: #94A3B8;
    }