perf: Tab 容器组件优化

- TabPanelContainer: Loading 颜色改为金色 #D4AF37，与黑金主题一致
- SubTabContainer: 添加 memo 和 displayName
- 子 Tab 组件: StrategyTab/BusinessTab/ValueChainTab/DevelopmentTab 添加 memo 和 displayName
- TabContainer: 移除未使用的 showDivider 参数

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/SubTabContainer/index.tsx

@@ -17,7 +17,7 @@
  * ```
  */
 
-import React, { useState, useCallback } from 'react';
+import React, { useState, useCallback, memo } from 'react';
 import {
   Box,
   Tabs,
@@ -97,7 +97,7 @@ export interface SubTabContainerProps {
   isLazy?: boolean;
 }
 
-const SubTabContainer: React.FC<SubTabContainerProps> = ({
+const SubTabContainer: React.FC<SubTabContainerProps> = memo(({
   tabs,
   componentProps = {},
   defaultIndex = 0,
@@ -190,6 +190,8 @@ const SubTabContainer: React.FC<SubTabContainerProps> = ({
       </Tabs>
     </Box>
   );
-};
+});
+
+SubTabContainer.displayName = 'SubTabContainer';
 
 export default SubTabContainer;