/* roulang page: index */
:root {
            --brand-primary: #1e40af;
            --brand-dark: #0f172a;
            --brand-accent: #f59e0b;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #0f172a;
            background-color: #ffffff;
            overflow-x: hidden;
        }
        .text-gradient {
            background: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #d97706 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-banner-bg {
            background-image: linear-gradient(rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.94)), url('/assets/images/dfeb97b3fe121f3f.webp');
            background-size: cover;
            background-position: center;
        }
        .dark-section-bg {
            background-image: linear-gradient(rgba(11, 19, 41, 0.96), rgba(11, 19, 41, 0.98)), url('/assets/images/8400da0eb566b98d.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-banner-bg {
            background-image: linear-gradient(rgba(30, 64, 175, 0.92), rgba(15, 23, 42, 0.95)), url('/assets/images/31a3a66d9c8048f4.webp');
            background-size: cover;
            background-position: center;
        }