/* roulang page: index */
:root {
            --brand-primary: #065F46;
            --brand-accent: #059669;
            --brand-gold: #D97706;
            --bg-dark: #0F172A;
            --bg-light: #F8FAFC;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #F8FAFC;
            color: #334155;
            -webkit-font-smoothing: antialiased;
        }
        .hero-bg {
            background-image: linear-gradient(rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.94)), url('/assets/images/bf2b6ff6dd07332e.png');
            background-size: cover;
            background-position: center;
        }
        .banner-slide-2 {
            background-image: linear-gradient(rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.94)), url('/assets/images/c7b1c997b31f8122.webp');
            background-size: cover;
            background-position: center;
        }
        .banner-slide-3 {
            background-image: linear-gradient(rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.94)), url('/assets/images/c18a5e702a4ccaf7.png');
            background-size: cover;
            background-position: center;
        }
        .dark-section-bg {
            background-image: linear-gradient(rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.98)), url('/assets/images/2dcc7920d8d47e94.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-box-bg {
            background-image: linear-gradient(rgba(6, 95, 70, 0.95), rgba(6, 78, 59, 0.95)), url('/assets/images/34a8051d3e5be416.jpg');
            background-size: cover;
            background-position: center;
        }
        /* Details Summary Accordion Animation */
        details summary::-webkit-details-marker {
            display: none;
        }
        details[open] summary .faq-icon {
            transform: rotate(45deg);
        }