/* roulang page: index */
:root {
            --primary: #0284c7;
            --primary-dark: #0f172a;
            --accent: #10b981;
            --bg-light: #f8fafc;
            --text-main: #0f172a;
            --text-muted: #64748b;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
            color: var(--text-main);
            background-color: #ffffff;
            line-height: 1.75;
        }
        .hero-bg {
            background: linear-gradient(rgba(11, 15, 25, 0.85), rgba(15, 23, 42, 0.92)), url('/assets/images/7f594e081b438884.jpg') center/cover no-repeat;
        }
        .banner-pattern {
            background: linear-gradient(135deg, #0b0f19 0%, #0f172a 100%);
        }
        .card-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        .custom-scrollbar::-webkit-scrollbar {
            height: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background-color: #cbd5e1;
            border-radius: 9999px;
        }