/* roulang page: index */
:root {
      --primary-dark: #0f3e7d;
      --primary-blue: #1a73e8;
      --accent-green: #059669;
      --dark-navy: #0b192c;
      --surface-gray: #f8fafc;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: #f8fafc;
      color: #1e293b;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 62, 125, 0.06);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 16px 32px -4px rgba(15, 62, 125, 0.12);
      transform: translateY(-4px);
    }
    .text-primary-navy {
      color: var(--primary-dark);
    }
    .bg-primary-navy {
      background-color: var(--primary-dark);
    }