/* roulang page: index */
:root {
      --primary: #0F52BA;
      --accent: #00C9A7;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .shadow-soft {
      box-shadow: 0 4px 20px -2px rgba(15, 82, 186, 0.06);
    }
    .shadow-soft:hover {
      box-shadow: 0 12px 28px -4px rgba(15, 82, 186, 0.12);
    }
    .bg-gradient-hero {
      background: linear-gradient(135deg, rgba(10, 25, 47, 0.92) 0%, rgba(15, 82, 186, 0.82) 100%), url('/assets/images/5596638b10bb9467.jpg') center/cover no-repeat;
    }