/* roulang page: index */
:root {
            --primary: #1E40AF;
            --accent: #0284C7;
            --tealtech: #0D9488;
            --bg-light: #F8FAFC;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
            color: var(--text-body);
            background-color: var(--bg-light);
        }
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .card-custom {
            background-color: #ffffff;
            border-radius: 0.75rem;
            border: 1px solid #f1f5f9;
            box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-custom:hover {
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            transform: translateY(-4px);
            border-color: #e0f2fe;
        }
        .hero-banner {
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(30, 64, 175, 0.85) 100%), url('/assets/images/66d8185d4bf5413d.webp');
            background-size: cover;
            background-position: center;
        }
        .deep-banner {
            background-image: linear-gradient(180deg, rgba(15, 23, 42, 0.96) 0%, rgba(15, 23, 42, 0.92) 100%), url('/assets/images/b3684114c2e86085.jpg');
            background-size: cover;
            background-position: center;
        }