/* roulang page: index */
:root {
            --brand-navy: #0F254A;
            --brand-blue: #1D4ED8;
            --brand-accent: #059669;
            --brand-dark: #0B132B;
            --surface-bg: #F8FAFC;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--surface-bg);
            color: #1E293B;
            overflow-x: hidden;
        }
        .hero-pattern {
            background-color: #0F254A;
            background-image: linear-gradient(135deg, rgba(15, 37, 74, 0.95) 0%, rgba(11, 19, 43, 0.92) 100%), url('/assets/images/0760134551002ce8.jpg');
            background-size: cover;
            background-position: center;
        }
        .glass-card {
            background: rgba(255, 255, 255, 0.98);
            border: 1px solid rgba(15, 37, 74, 0.08);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
            transition: all 0.3s ease;
        }
        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(15, 37, 74, 0.08), 0 10px 10px -5px rgba(15, 37, 74, 0.03);
            border-color: rgba(29, 78, 216, 0.3);
        }
        details > summary::-webkit-details-marker {
            display: none;
        }