/* roulang page: index */
:root {
      --primary: #0F52BA;
      --secondary: #06B6D4;
      --accent: #F97316;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      overflow-x: hidden;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 82, 186, 0.88) 100%), url('/assets/images/85a3dc10d23462ec.png') center/cover no-repeat;
    }
    .custom-card-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 82, 186, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
    }
    .custom-card-shadow:hover {
      box-shadow: 0 16px 32px -4px rgba(15, 82, 186, 0.16), 0 8px 16px -2px rgba(0, 0, 0, 0.06);
    }