.category-tree{list-style:none;padding-left:0;margin:0;font-family:system-ui,sans-serif;font-size:.8rem}.category-tree li{margin:0;padding:.1rem 0}.category-node{padding:.1rem .3rem;border-radius:4px;transition:background-color .2s ease;display:flex;gap:8px}.category-node a{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.category-node:hover{background-color:#f9f9f9}.category-link{text-decoration:none;color:#333;display:block}.category-link:hover,.category-link:focus{text-decoration:none;color:var(--primary-color)}.category-node.is-active{background-color:#e6f0ff;border-left:3px solid var(--primary-color)}.category-node.is-active .category-link{color:var(--primary-color);font-weight:600}.category-children{list-style:none;margin-top:.25rem;margin-left:1rem;padding-left:.75rem;border-left:1px solid #eee;overflow:hidden;transition:height .2s ease;-webkit-transition:height .2s ease;-moz-transition:height .2s ease;-ms-transition:height .2s ease;-o-transition:height .2s ease}li:not(:has(.category-node.expanded)) ul.category-children{height:0}.category-toggle{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;margin-right:.5rem;border-radius:50%;font-size:.75rem;-webkit-user-select:none;-moz-user-select:none;user-select:none}.category-toggle:hover{color:var(--primary-color)}.category-node .category-toggle-icon .for-mobile{display:none;margin-right:4px}@media screen and (max-width: 768px){.category-node .category-toggle-icon:after{content:"]"}.category-node .category-toggle-icon:before{content:"["}.category-node .category-toggle-icon .for-mobile{display:inline}}.category-node:not(.expanded) .category-toggle-icon.category-expand{display:inline}.category-node:not(.expanded) .category-toggle-icon.category-collapse{display:none}.category-node.expanded .category-toggle-icon.category-expand{display:none}.category-node.expanded .category-toggle-icon.category-collapse{display:inline}