/* roulang page: index */
:root {
      --primary: #1d4ed8;
      --primary-hover: #2563eb;
      --accent: #06b6d4;
      --text-main: #0f172a;
      --text-body: #334155;
      --text-muted: #64748b;
      --bg-light: #f8fafc;
      --border-color: #e2e8f0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-body);
      background-color: #ffffff;
    }
    details summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary .faq-arrow {
      transform: rotate(180deg);
    }