/* roulang page: index */
:root {
      --primary-brand: #0F2942;
      --accent-gradient: linear-gradient(135deg, #1E4E79 0%, #B8860B 100%);
      --accent-gold: #C59B27;
      --bg-slate: #F8FAFC;
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    .hero-bg {
      background-image: linear-gradient(rgba(15, 41, 66, 0.92), rgba(10, 25, 47, 0.96)), url('/assets/images/25a2456a2b3c11f9.webp');
      background-size: cover;
      background-position: center;
    }
    .custom-gradient-text {
      background: linear-gradient(135deg, #38bdf8 0%, #fbbf24 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .card-hover-effect {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-6px);
      box-shadow: 0 20px 25px -5px rgba(15, 41, 66, 0.12), 0 10px 10px -5px rgba(15, 41, 66, 0.04);
    }