/* roulang page: index */
:root {
            --primary: #0D6E6E;
            --primary-light: #088395;
            --accent: #10B981;
            --text-main: #0F172A;
            --text-muted: #475569;
            --bg-light: #F8FAFC;
            --border-light: #E2E8F0;
        }
        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
            line-height: 1.75;
        }
        .hero-bg {
            background-image: linear-gradient(to right, rgba(5, 46, 46, 0.92), rgba(13, 110, 110, 0.78)), url('/assets/images/e841e0dea54290e9.webp');
            background-size: cover;
            background-position: center;
        }
        .banner-bg {
            background-image: linear-gradient(to right, rgba(15, 23, 42, 0.95), rgba(13, 110, 110, 0.88)), url('/assets/images/79b025252e96e19f.webp');
            background-size: cover;
            background-position: center;
        }
        .card-shadow {
            box-shadow: 0 4px 20px -2px rgba(13, 110, 110, 0.08), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
            transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-shadow:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 28px -6px rgba(13, 110, 110, 0.14), 0 8px 12px -2px rgba(0, 0, 0, 0.06);
        }