/* roulang page: index */
:root {
            --primary: #1E40AF;
            --primary-dark: #0F172A;
            --primary-light: #3B82F6;
            --bg-base: #F8FAFC;
            --text-main: #1E293B;
            --text-muted: #64748B;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--bg-base);
            color: var(--text-main);
            overflow-x: hidden;
        }
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .card-shadow {
            box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        .card-shadow:hover {
            box-shadow: 0 20px 40px -5px rgba(30, 64, 175, 0.12);
            transform: translateY(-4px);
        }