/* roulang page: index */
:root {
      --primary: #0D3B66;
      --accent: #F95738;
      --cyan: #00A896;
      --bg-light: #F4F6F9;
      --text-main: #1E293B;
      --text-muted: #64748B;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    .hero-banner-bg {
      background-image: linear-gradient(135deg, rgba(8, 28, 46, 0.92) 0%, rgba(13, 59, 102, 0.85) 100%), url('/assets/images/faf3ed88122c3bb6.png');
      background-size: cover;
      background-position: center;
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 0.35rem 0.85rem;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 600;
    }
    .card-hover {
      transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 35px -8px rgba(13, 59, 102, 0.12);
    }
    details summary::-webkit-details-marker {
      display: none;
    }