/* roulang page: index */
:root {
            --brand-teal: #0F4C5C;
            --brand-emerald: #10B981;
            --brand-amber: #F59E0B;
            --brand-dark: #0F172A;
            --brand-gray: #F8FAFC;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #334155;
            background-color: #F8FAFC;
            line-height: 1.75;
            overflow-x: hidden;
        }
        .text-shadow-sm {
            text-shadow: 0 1px 2px rgba(0,0,0,0.1);
        }
        .hero-banner-bg {
            background: linear-gradient(135deg, #0B3C49 0%, #0F4C5C 50%, #134e4a 100%);
        }
        .hover-card-up {
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .hover-card-up:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -10px rgba(15, 76, 92, 0.15);
        }
        .scrollbar-hide::-webkit-scrollbar {
            display: none;
        }
        .scrollbar-hide {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }