feat: 访问 http://localhost:3000/admin/community：

1. 页面加载后应停留在顶部
  2. 点击搜索框，页面应平滑滚动到"实时事件时间轴"区域
  3. 再次点击搜索框不会重复滚动

src/views/Community/components/EventTimelineCard.js

@@ -22,6 +22,7 @@ import EventListSection from './EventListSection';
  * @param {Array} popularKeywords - 热门关键词
  * @param {Date} lastUpdateTime - 最后更新时间
  * @param {Function} onSearch - 搜索回调
+ * @param {Function} onSearchFocus - 搜索框获得焦点回调
  * @param {Function} onPageChange - 分页变化回调
  * @param {Function} onEventClick - 事件点击回调
  * @param {Function} onViewDetail - 查看详情回调
@@ -35,6 +36,7 @@ const EventTimelineCard = forwardRef(({
   popularKeywords,
   lastUpdateTime,
   onSearch,
+  onSearchFocus,
   onPageChange,
   onEventClick,
   onViewDetail,
@@ -56,6 +58,7 @@ const EventTimelineCard = forwardRef(({
         <Box mb={4}>
           <UnifiedSearchBox
             onSearch={onSearch}
+            onSearchFocus={onSearchFocus}
             popularKeywords={popularKeywords}
             filters={filters}
           />

src/views/Community/components/UnifiedSearchBox.js

@@ -21,6 +21,7 @@ const { Option } = AntSelect;
 
 const UnifiedSearchBox = ({
     onSearch,
+    onSearchFocus,
     popularKeywords = [],
     filters = {}
 }) => {
@@ -519,6 +520,7 @@ const UnifiedSearchBox = ({
                     onChange={handleInputChange}
                     onSearch={handleSearch}
                     onSelect={handleStockSelect}
+                    onFocus={onSearchFocus}
                     options={stockOptions}
                     placeholder="请输入股票代码/股票名称/相关话题"
                     onPressEnter={handleMainSearch}