feat: 优化事件中心页面 重构后的文件结构

src/views/Community/
     ├── index.js (主组件，150行左右)
     ├── components/
     │   ├── EventTimelineCard.js (新增)
     │   ├── EventTimelineHeader.js (新增)
     │   ├── EventListSection.js (新增)
     │   ├── HotEventsSection.js (新增)
     │   ├── EventModals.js (新增)
     │   ├── UnifiedSearchBox.js (已有)
     │   ├── EventList.js (已有)
     │   └── ...
     └── hooks/
         ├── useEventFilters.js (新增)
         └── useEventData.js (新增)

src/views/Community/components/EventModals.js

@@ -0,0 +1,63 @@
+// src/views/Community/components/EventModals.js
+// 事件弹窗组合组件（包含详情Modal和股票Drawer）
+
+import React from 'react';
+import {
+  Modal,
+  ModalOverlay,
+  ModalContent,
+  ModalHeader,
+  ModalBody,
+  ModalCloseButton
+} from '@chakra-ui/react';
+import EventDetailModal from './EventDetailModal';
+import StockDetailPanel from './StockDetailPanel';
+
+/**
+ * 事件弹窗组合组件
+ * @param {Object} eventModalState - 事件详情Modal状态
+ * @param {boolean} eventModalState.isOpen - 是否打开
+ * @param {Function} eventModalState.onClose - 关闭回调
+ * @param {Object} eventModalState.event - 事件对象
+ * @param {Function} eventModalState.onEventClose - 事件关闭回调（清除状态）
+ * @param {Object} stockDrawerState - 股票详情Drawer状态
+ * @param {boolean} stockDrawerState.visible - 是否显示
+ * @param {Object} stockDrawerState.event - 事件对象
+ * @param {Function} stockDrawerState.onClose - 关闭回调
+ */
+const EventModals = ({
+  eventModalState,
+  stockDrawerState
+}) => {
+  return (
+    <>
+      {/* 事件详情模态框 - 使用Chakra UI Modal */}
+      <Modal
+        isOpen={eventModalState.isOpen}
+        onClose={eventModalState.onClose}
+        size="xl"
+      >
+        <ModalOverlay />
+        <ModalContent>
+          <ModalHeader>事件详情</ModalHeader>
+          <ModalCloseButton />
+          <ModalBody pb={6}>
+            <EventDetailModal
+              event={eventModalState.event}
+              onClose={eventModalState.onEventClose}
+            />
+          </ModalBody>
+        </ModalContent>
+      </Modal>
+
+      {/* 股票详情抽屉 - 使用原组件自带的 Antd Drawer */}
+      <StockDetailPanel
+        visible={stockDrawerState.visible}
+        event={stockDrawerState.event}
+        onClose={stockDrawerState.onClose}
+      />
+    </>
+  );
+};
+
+export default EventModals;