/* roulang page: index */
:root {
            --primary: #0e7490;
            --primary-hover: #082f49;
            --secondary: #10b981;
            --bg-light: #f8fafc;
            --text-dark: #0f172a;
            --text-muted: #64748b;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
            overflow-x: hidden;
        }
        .btn-glow {
            transition: all 0.3s ease;
        }
        .btn-glow:hover {
            box-shadow: 0 10px 25px -5px rgba(14, 116, 144, 0.4);
            transform: translateY(-2px);
        }
        .custom-scrollbar::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background-color: #cbd5e1;
            border-radius: 4px;
        }