/* roulang page: index */
:root {
            --primary-navy: #0F2027;
            --tech-blue: #2563EB;
            --brand-cyan: #0284C7;
            --risk-amber: #D97706;
            --bg-slate: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #475569;
            --border-light: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        .text-balance {
            text-wrap: balance;
        }
        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out;
        }
        .accordion-open .accordion-content {
            max-height: 350px;
        }
        .accordion-open .accordion-arrow {
            transform: rotate(180deg);
        }