/* roulang page: index */
:root {
            --primary-navy: #0F172A;
            --primary-blue: #0284C7;
            --accent-amber: #F59E0B;
            --text-main: #334155;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
            scroll-behavior: smooth;
        }
        .hero-bg {
            background-image: linear-gradient(rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.94)), url('/assets/images/9268757649019be5.webp');
            background-size: cover;
            background-position: center;
        }
        .map-mesh {
            background-size: 24px 24px;
            background-image: radial-gradient(circle, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
        }
        .card-shadow {
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
            transition: all 0.25s ease-in-out;
        }
        .card-shadow:hover {
            box-shadow: 0 12px 20px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.03);
            transform: translateY(-4px);
        }
        .accent-pulse {
            animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }
        @keyframes pulse-ring {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.15); }
        }