/* roulang page: index */
:root {
            --primary: #1D4ED8;
            --primary-dark: #1E40AF;
            --success: #059669;
            --dark-bg: #0B132B;
        }
        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
            color: #334155;
            background-color: #FFFFFF;
        }
        .hero-banner-bg {
            background: linear-gradient(rgba(11, 19, 43, 0.88), rgba(11, 19, 43, 0.94)), url('/assets/images/9d4534e799865dbc.png') center/cover no-repeat;
        }
        .stat-card-glow {
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: all 0.3s ease;
        }
        .stat-card-glow:hover {
            transform: translateY(-4px);
            border-color: #1D4ED8;
            box-shadow: 0 15px 30px -5px rgba(29, 78, 216, 0.15);
        }
        .accordion-content {
            transition: max-height 0.3s ease-out, opacity 0.3s ease;
        }