/* roulang page: index */
:root {
            --primary: #5B4DFF;
            --accent: #00E5A3;
            --dark-bg: #0F1117;
            --light-bg: #F8FAFC;
        }
        body {
            color: #334155;
            background-color: #FFFFFF;
            line-height: 1.75;
        }
        .hero-pattern {
            background-image: radial-gradient(rgba(91, 77, 255, 0.12) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        .card-shadow {
            box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
        }
        .card-shadow-hover:hover {
            box-shadow: 0 12px 30px -4px rgba(91, 77, 255, 0.12);
            transform: translateY(-2px);
        }
        .faq-accordion[open] .faq-icon {
            transform: rotate(180deg);
        }
        .faq-accordion summary::-webkit-details-marker {
            display: none;
        }