test: 修复因预发布模式文案变更导致的测试失败

- header/footer/mobile-menu/mobile-tab-bar: 更新导航项断言与 mock
- insight-card/page-header: 适配组件结构变更（InkGlowCard、Badge）
- about/products/news: 修复重复文本匹配，添加 PageNav/date-fns mock
- constants: 更新服务标题断言
- 修复 mock 组件缺少 displayName 的 ESLint 错误

src/app/(marketing)/about/page.test.tsx

@@ -93,6 +93,22 @@ jest.mock('@/components/ui/flip-clock', () => {
   return { FlipClock };
 });
 
+jest.mock('@/components/layout/page-nav', () => ({
+  PageNav: ({ items }: { items: Array<{ label: string }> }) => (
+    <nav data-testid="page-nav">
+      {items.map((item, i) => <span key={i}>{item.label}</span>)}
+    </nav>
+  ),
+}));
+
+jest.mock('date-fns', () => ({
+  differenceInYears: () => 0,
+  differenceInMonths: () => 0,
+  differenceInDays: () => 0,
+  subYears: (d: Date) => d,
+  subMonths: (d: Date) => d,
+}));
+
 jest.mock('@/lib/constants', () => ({
   COMPANY_INFO: {
     name: '四川睿新致远科技有限公司',
@@ -100,14 +116,14 @@ jest.mock('@/lib/constants', () => ({
     displayName: '睿新致远',
     description: '以智慧连接数字趋势，以伙伴身份陪您成长',
     address: '四川省成都市龙泉驿区',
-    email: 'contact@ruixin.com',
-    phone: '028-12345678',
+    email: 'contact@novalon.cn',
+    phone: '028-88888888',
   },
   STATS: [
-    { value: '10+', label: '企业客户' },
-    { value: '20+', label: '成功案例' },
-    { value: '30+', label: '项目交付' },
-    { value: '12+', label: '年行业经验' },
+    { value: '6', label: '研发产品' },
+    { value: '5+', label: '行业覆盖' },
+    { value: '10+', label: '团队成员' },
+    { value: '12+', label: '年核心团队经验' },
   ],
 }));
 
@@ -127,8 +143,8 @@ describe('AboutPage', () => {
 
     it('should render company introduction', () => {
       render(<AboutPage />);
-      const intro = screen.getByText(/关于我们/i);
-      expect(intro).toBeInTheDocument();
+      const intros = screen.getAllByText(/关于我们/i);
+      expect(intros.length).toBeGreaterThan(0);
     });
 
     it('should render company history', () => {
@@ -157,7 +173,7 @@ describe('AboutPage', () => {
 
     it('should render statistics', () => {
       render(<AboutPage />);
-      const stats = screen.getByText(/企业客户/i);
+      const stats = screen.getByText(/研发产品/i);
       expect(stats).toBeInTheDocument();
     });
   });