## zh-CN [查询模式: 确定类目](https://ant.design/docs/spec/reaction#lookup-patterns) 示例。 ## en-US Demonstration of [Lookup Patterns: Certain Category](https://ant.design/docs/spec/reaction#lookup-patterns). Basic Usage, set options of autocomplete with `options` property. ```css .certain-category-search-dropdown .ant-select-dropdown-menu-item-group-title { color: #666; font-weight: bold; } .certain-category-search-dropdown .ant-select-dropdown-menu-item-group { border-bottom: 1px solid #f6f6f6; } .certain-category-search-dropdown .ant-select-dropdown-menu-item { padding-left: 16px; } .certain-category-search-dropdown .ant-select-dropdown-menu-item.show-all { text-align: center; cursor: default; } .certain-category-search-dropdown .ant-select-dropdown-menu { max-height: 300px; } ```