:root {
    --body-bg-color: #fff;
    --graceful-scroll-bar-bg-color: #f5f5f5;
    --graceful-scroll-bar-track-bg-color: #f1f1f1;
    --graceful-scroll-bar-thumb-bg-color: #D9C6B8;
    --site-search-bg-color: #fff;
    --site-search-search-bar-search-icon-color: #555;
    --site-search-search-bar-input-placeholder-color: #666;
    --site-search-search-bar-bg-color: #f5f5f5;
    --site-search-search-bar-hover-color: #5fa8d3;
    --leaf-node-color-active-bg-color: #e8f5e9;
    --leaf-node-a-color: #333;
    --leaf-node-a-before-color: #ff7f0e;
    --leaf-node-a-hover-color: #f0f0f0;
    --category-content-color: #333;
    --level-1-label-color: #007bff;
    --level-2-label-color: #28a826;
    --footer-line-color: #f7f7f7;
    --footer-header-span-color: #666;
    --footer-footer-nav-dt-color: #666;
    --footer-footer-nav-dd-a-color: #777;
    --footer-footer-copyright-color: #666;
}