/* roulang page: index */
:root {
      --primary: #1e40af;
      --secondary: #0284c7;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      line-height: 1.6;
    }
    .custom-shadow {
      box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
    }
    .hero-pattern {
      background-color: #0b1329;
      background-image: radial-gradient(#1e293b 1px, transparent 1px), radial-gradient(#1e293b 1px, #0b1329 1px);
      background-size: 40px 40px;
      background-position: 0 0, 20px 20px;
    }

/* roulang page: category1 */
:root {
      --primary: #1e40af;
      --secondary: #0284c7;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      line-height: 1.6;
    }
    .custom-shadow {
      box-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
    }
    .hero-pattern {
      background-color: #0b1329;
      background-image: radial-gradient(#1e293b 1px, transparent 1px), radial-gradient(#1e293b 1px, #0b1329 1px);
      background-size: 40px 40px;
      background-position: 0 0, 20px 20px;
    }
    .progress-radial {
      background: conic-gradient(#0284c7 0% 86%, #1e293b 86% 100%);
    }