/* roulang page: index */
:root {
            --brand-deep: #0A2540;
            --brand-primary: #3B82F6;
            --brand-dark: #0F172A;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            color: #1E293B;
            background-color: #FFFFFF;
        }
        .custom-shadow {
            box-shadow: 0 10px 25px -5px rgba(10, 37, 64, 0.08), 0 8px 10px -6px rgba(10, 37, 64, 0.04);
        }
        .custom-card-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .custom-card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 30px -10px rgba(10, 37, 64, 0.12);
        }
        .hero-banner-bg {
            background: linear-gradient(135deg, rgba(10, 37, 64, 0.94) 0%, rgba(15, 23, 42, 0.88) 100%), url('/assets/images/69a93e3dcb672b56.jpg') center/cover no-repeat;
        }
        html {
            scroll-behavior: smooth;
        }