/* roulang page: index */
:root {
            --primary: #1E40AF;
            --primary-dark: #1E3A8A;
            --accent: #0284C7;
            --teal: #0D9488;
            --bg-base: #F8FAFC;
            --text-title: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
        }
        body {
            font-family: var(--font-sans, 'PingFang SC', 'Microsoft YaHei', 'Source Han Sans SC', sans-serif);
            color: var(--text-body);
            background-color: var(--bg-base);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }
        .section-py {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }
        @media (min-width: 1024px) {
            .section-py {
                padding-top: 6rem;
                padding-bottom: 6rem;
            }
        }
        .consulting-card {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .consulting-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }