/* roulang page: index */
:root {
      --primary: #1E3A8A;
      --secondary: #0284C7;
      --accent: #D97706;
      --dark: #0F172A;
      --light-bg: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 16px 32px -4px rgba(30, 58, 138, 0.12), 0 6px 12px -2px rgba(30, 58, 138, 0.06);
    }
    .hero-bg {
      background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 58, 138, 0.82) 100%), url('/assets/images/629471a4dd146df9.webp');
      background-size: cover;
      background-position: center;
    }
    .banner-dark {
      background-image: linear-gradient(120deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 58, 138, 0.92) 100%), url('/assets/images/7ef1fb467c52f181.webp');
      background-size: cover;
      background-position: center;
    }