/* roulang page: index */
:root {
            --primary: #0F172A;
            --secondary: #1E40AF;
            --accent: #D97706;
            --bg-light: #F8FAFC;
            --border-color: #E2E8F0;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: #334155;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .text-balance {
            text-wrap: balance;
        }
        .metric-glow {
            box-shadow: inset 0 1px 1px 0 rgba(255, 255, 255, 0.1), 0 10px 25px -5px rgba(15, 23, 42, 0.3);
        }
        details summary::-webkit-details-marker {
            display: none;
        }