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/views/Company/components/CompanyOverview/DeepAnalysisTab/tabs/StrategyTab.tsx

@@ -4,7 +4,7 @@
  * 包含：核心定位 + 战略分析 + 竞争地位分析
  */
 
-import React from 'react';
+import React, { memo } from 'react';
 import TabPanelContainer from '@components/TabPanelContainer';
 import {
   CorePositioningCard,
@@ -18,7 +18,7 @@ export interface StrategyTabProps {
   cardBg?: string;
 }
 
-const StrategyTab: React.FC<StrategyTabProps> = ({
+const StrategyTab: React.FC<StrategyTabProps> = memo(({
   comprehensiveData,
   cardBg,
 }) => {
@@ -46,6 +46,8 @@ const StrategyTab: React.FC<StrategyTabProps> = ({
       )}
     </TabPanelContainer>
   );
-};
+});
+
+StrategyTab.displayName = 'StrategyTab';
 
 export default StrategyTab;