/* roulang page: index */
:root {
            --primary: #059669;
            --primary-hover: #047857;
            --accent: #10b981;
            --dark: #0F172A;
            --slate-bg: #F8FAFC;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }
        .hero-bg {
            background-image: linear-gradient(to right, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.75)), url('/assets/images/7793a71487a940d5.png');
            background-size: cover;
            background-position: center;
        }
        .section-pattern {
            background-color: #F8FAFC;
            background-image: radial-gradient(#cbd5e1 0.75px, transparent 0.75px);
            background-size: 24px 24px;
        }
        .card-hover {
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -10px rgba(5, 150, 105, 0.15);
        }