/* roulang page: index */
:root {
      --primary: #0D5C58;
      --primary-hover: #083C39;
      --accent: #14B8A6;
      --contrast-dark: #0A1918;
      --bg-light: #F8FAFA;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
      scroll-behavior: smooth;
    }
    .text-primary-brand { color: var(--primary); }
    .bg-primary-brand { background-color: var(--primary); }
    .bg-primary-hover:hover { background-color: var(--primary-hover); }
    .bg-accent-brand { background-color: var(--accent); }
    .border-brand { border-color: var(--border-color); }
    .hero-bg {
      background: linear-gradient(135deg, rgba(10, 25, 24, 0.92) 0%, rgba(13, 92, 88, 0.88) 100%), url('/assets/images/ce583b4f95256a50.jpg') center/cover no-repeat;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(13, 92, 88, 0.08);
    }
    details summary::-webkit-details-marker { display: none; }