/* roulang page: index */
:root {
      --primary: #1A56DB;
      --secondary: #0F2F6B;
      --accent: #06B6D4;
      --bg-page: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-page);
      color: var(--text-main);
    }
    .hero-bg {
      background-image: linear-gradient(rgba(15, 47, 107, 0.88), rgba(15, 23, 42, 0.94)), url('/assets/images/7fde160b9fea3e2e.webp');
      background-size: cover;
      background-position: center;
    }
    .deep-tech-bg {
      background-image: linear-gradient(rgba(11, 29, 66, 0.92), rgba(15, 23, 42, 0.96)), url('/assets/images/eff50e55c2a50262.webp');
      background-size: cover;
      background-position: center;
    }
    .card-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
    }
    .card-shadow:hover {
      box-shadow: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
    }