/* roulang page: index */
:root {
            --primary: #10B981;
            --primary-dark: #047857;
            --secondary: #0284C7;
            --bg-light: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-color: rgba(226, 232, 240, 0.8);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #334155;
            background-color: #FFFFFF;
            scroll-behavior: smooth;
        }
        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .hero-bg {
            background-image: linear-gradient(to bottom, rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.96)), url('/assets/images/85bde4743fe09027.png');
            background-size: cover;
            background-position: center;
        }
        .card-hover-effect {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border: 1px solid var(--border-color);
        }
        .card-hover-effect:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08);
            border-color: rgba(16, 185, 129, 0.4);
        }
        .accordion-content {
            transition: max-height 0.3s ease-in-out, opacity 0.3s ease-in-out;
            max-height: 0;
            opacity: 0;
            overflow: hidden;
        }
        .accordion-content.active {
            max-height: 250px;
            opacity: 1;
        }