/* roulang page: index */
:root {
            --primary-color: #10b981;
            --primary-dark: #047857;
            --accent-color: #f97316;
            --neutral-bg: #f8fafc;
            --text-main: #0f172a;
            --text-muted: #64748b;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            text-rendering: optimizeLegibility;
            -webkit-font-smoothing: antialiased;
        }
        details > summary::-webkit-details-marker {
            display: none;
        }