/* roulang page: index */
:root {
            --primary: #0E7490;
            --primary-hover: #155E75;
            --secondary: #10B981;
            --accent: #F59E0B;
            --text-title: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
            color: var(--text-body);
            background-color: #FFFFFF;
            overflow-x: hidden;
        }
        .hero-pattern {
            background-image: linear-gradient(rgba(14, 116, 144, 0.94), rgba(15, 23, 42, 0.95)), url('/assets/images/04fb965d7620bcc8.webp');
            background-size: cover;
            background-position: center;
        }
        .banner-pattern {
            background-image: linear-gradient(rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.92)), url('/assets/images/28850a4a3919b81a.webp');
            background-size: cover;
            background-position: center;
        }
        .accent-pattern {
            background-image: linear-gradient(rgba(14, 116, 144, 0.92), rgba(16, 185, 129, 0.9)), url('/assets/images/928daea32838d8de.webp');
            background-size: cover;
            background-position: center;
        }
        .transition-all-300 {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }