/* roulang page: index */
:root {
            --primary: #2563eb;
            --primary-hover: #1d4ed8;
            --bg-canvas: #f8fafc;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --border-soft: #e2e8f0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #ffffff;
            -webkit-font-smoothing: antialiased;
        }
        .hero-bg-overlay {
            background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 41, 59, 0.88) 100%), url('/assets/images/23ecde1c8bd8bb81.png');
            background-size: cover;
            background-position: center;
        }
        .matrix-table th, .matrix-table td {
            border-bottom: 1px solid #e2e8f0;
            padding: 18px 20px;
        }
        .matrix-table tr:last-child td {
            border-bottom: none;
        }