/* roulang page: index */
:root {
            --primary: #f59e0b;
            --primary-dark: #d97706;
            --dark-bg: #0f172a;
            --dark-card: #1e293b;
            --text-main: #334155;
            --text-muted: #64748b;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #1e293b;
            background-color: #f8fafc;
            overflow-x: hidden;
        }
        .hero-bg {
            background-image: linear-gradient(to right, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.8)), url('/assets/images/c7467a9de88b9440.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-bg {
            background-image: linear-gradient(to right, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.88)), url('/assets/images/2ea92ad4b47b0343.webp');
            background-size: cover;
            background-position: center;
        }
        .nav-blur {
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        details summary::-webkit-details-marker {
            display:none;
        }