/* roulang page: index */
:root {
      --primary: #1D4ED8;
      --primary-navy: #0F1E36;
      --accent: #06B6D4;
      --text-main: #334155;
      --text-muted: #64748B;
      --bg-light: #F8FAFC;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 30, 54, 0.05);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 12px 28px -4px rgba(15, 30, 54, 0.12);
      transform: translateY(-3px);
    }
    .hero-banner {
      background-image: linear-gradient(to right, rgba(15, 30, 54, 0.95), rgba(15, 30, 54, 0.8)), url('/assets/images/189efa807c6204c7.webp');
      background-size: cover;
      background-position: center;
    }