/* roulang page: index */
:root {
            --primary: #1E293B;
            --accent: #059669;
            --warn: #EA580C;
            --bg-light: #F8FAFC;
            --bg-dark: #0F172A;
            --text-main: #0F172A;
            --text-body: #334155;
            --border-color: #E2E8F0;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
            color: var(--text-body);
            background-color: #ffffff;
            overflow-x: hidden;
            line-height: 1.75;
        }
        h1, h2, h3, h4, h5, h6 {
            color: var(--text-main);
            line-height: 1.35;
        }
        .hero-bg {
            background-image: linear-gradient(to right, rgba(15, 23, 42, 0.92), rgba(30, 41, 59, 0.85)), url('/assets/images/24f35acfad876856.webp');
            background-size: cover;
            background-position: center;
        }
        .banner-glow {
            box-shadow: 0 10px 25px -5px rgba(5, 150, 105, 0.2), 0 8px 10px -6px rgba(5, 150, 105, 0.2);
        }
        .card-hover {
            transition: all 0.25s ease;
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px -8px rgba(15, 23, 42, 0.12);
        }
        details summary::-webkit-details-marker {
            display:none;
        }