/* roulang page: index */
:root {
      --primary-color: #1D4ED8;
      --secondary-color: #0284C7;
      --accent-color: #F97316;
      --bg-slate: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #475569;
    }
    body {
      background-color: var(--bg-slate);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
      overflow-x: hidden;
    }
    .custom-gradient-overlay {
      background: linear-gradient(135deg, rgba(11, 19, 43, 0.88) 0%, rgba(29, 78, 216, 0.82) 100%);
    }
    .grid-pattern {
      background-image: radial-gradient(rgba(2, 132, 199, 0.15) 1px, transparent 1px);
      background-size: 24px 24px;
    }