/* roulang page: index */
:root {
            --primary-blue: #1D4ED8;
            --sky-blue: #0284C7;
            --indigo-accent: #6366F1;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--bg-light);
            color: #334155;
            overflow-x: hidden;
        }
        .text-heading {
            color: #0F172A;
        }
        .hero-banner-bg {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(29, 78, 216, 0.82) 100%), url('/assets/images/0eaec43dbd17b3c6.webp') center/cover no-repeat;
        }
        .card-custom {
            background: #FFFFFF;
            border: 1px solid #F1F5F9;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(29, 78, 216, 0.08), 0 8px 10px -6px rgba(29, 78, 216, 0.04);
            border-color: #BFDBFE;
        }
        .faq-content {
            transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
        }