/* roulang page: index */
:root {
            --brand-primary: #0D3B36;
            --brand-accent: #D97706;
            --brand-bg: #F8F9FA;
            --text-main: #0F172A;
            --text-muted: #334155;
            --border-color: #E2E8F0;
        }
        body {
            color: var(--text-main);
            background-color: var(--brand-bg);
            line-height: 1.75;
            letter-spacing: 0.02em;
        }
        .hero-pattern {
            background-image: radial-gradient(rgba(13, 59, 54, 0.08) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        details > summary::-webkit-details-marker {
            display: none;
        }