diff --git a/e2e/src/tests/regression/navigation.spec.ts b/e2e/src/tests/regression/navigation.spec.ts
new file mode 100644
index 0000000..9a556c9
--- /dev/null
+++ b/e2e/src/tests/regression/navigation.spec.ts
@@ -0,0 +1,203 @@
+import { test, expect } from '@playwright/test';
+import { HomePage } from '../../pages/HomePage';
+import { NAVIGATION_ITEMS } from '../../data/test-data';
+
+test.describe('导航测试', () => {
+  let homePage: HomePage;
+
+  test.beforeEach(async ({ page }) => {
+    homePage = new HomePage(page);
+    await homePage.goto();
+  });
+
+  test.describe('Smoke测试', () => {
+    test('应该能够导航到首页', async () => {
+      await homePage.navigateToHome();
+      await homePage.waitForPageLoad();
+      expect(await homePage.getCurrentURL()).toBe('/');
+    });
+
+    test('应该能够导航到联系页面', async () => {
+      await homePage.clickContactButton();
+      await homePage.waitForLoadState('networkidle');
+      expect(await homePage.getCurrentURL()).toContain('/contact');
+    });
+  });
+
+  test.describe('Regression测试', () => {
+    test('应该能够点击导航到关于区域', async () => {
+      await homePage.clickNavigationItem('关于我们');
+      await homePage.waitForTimeout(1000);
+      expect(await homePage.isSectionVisible('about')).toBe(true);
+    });
+
+    test('应该能够点击导航到服务区域', async () => {
+      await homePage.clickNavigationItem('服务');
+      await homePage.waitForTimeout(1000);
+      expect(await homePage.isSectionVisible('services')).toBe(true);
+    });
+
+    test('应该能够点击导航到产品区域', async () => {
+      await homePage.clickNavigationItem('产品');
+      await homePage.waitForTimeout(1000);
+      expect(await homePage.isSectionVisible('products')).toBe(true);
+    });
+
+    test('应该能够点击导航到案例区域', async () => {
+      await homePage.clickNavigationItem('案例');
+      await homePage.waitForTimeout(1000);
+      expect(await homePage.isSectionVisible('cases')).toBe(true);
+    });
+
+    test('应该能够点击导航到新闻区域', async () => {
+      await homePage.clickNavigationItem('新闻');
+      await homePage.waitForTimeout(1000);
+      expect(await homePage.isSectionVisible('news')).toBe(true);
+    });
+
+    test('应该能够点击导航到联系区域', async () => {
+      await homePage.clickNavigationItem('联系我们');
+      await homePage.waitForTimeout(1000);
+      expect(await homePage.isSectionVisible('contact')).toBe(true);
+    });
+
+    test('应该能够平滑滚动到区域', async () => {
+      await homePage.scrollToSection('services');
+      const scrollPosition = await homePage.getScrollPosition();
+      expect(scrollPosition.y).toBeGreaterThan(0);
+    });
+
+    test('应该能够返回上一页', async () => {
+      await homePage.clickContactButton();
+      await homePage.waitForLoadState('networkidle');
+      await homePage.goBack();
+      await homePage.waitForLoadState('networkidle');
+      expect(await homePage.getCurrentURL()).toBe('/');
+    });
+
+    test('应该能够前进到下一页', async () => {
+      await homePage.clickContactButton();
+      await homePage.waitForLoadState('networkidle');
+      await homePage.goBack();
+      await homePage.waitForLoadState('networkidle');
+      await homePage.goForward();
+      await homePage.waitForLoadState('networkidle');
+      expect(await homePage.getCurrentURL()).toContain('/contact');
+    });
+
+    test('应该能够刷新页面', async () => {
+      await homePage.scrollToSection('services');
+      await homePage.reload();
+      await homePage.waitForPageLoad();
+      expect(await homePage.isSectionVisible('services')).toBe(true);
+    });
+
+    test('应该能够滚动到页面底部', async () => {
+      await homePage.scrollToBottom();
+      const scrollPosition = await homePage.getScrollPosition();
+      const pageHeight = await homePage.page.evaluate(() => document.body.scrollHeight);
+      expect(scrollPosition.y).toBeCloseTo(pageHeight, 100);
+    });
+
+    test('应该能够滚动到页面顶部', async () => {
+      await homePage.scrollToBottom();
+      await homePage.scrollToTop();
+      const scrollPosition = await homePage.getScrollPosition();
+      expect(scrollPosition.y).toBe(0);
+    });
+
+    test('应该能够验证粘性页头', async () => {
+      const isSticky = await homePage.verifyStickyHeader();
+      expect(isSticky).toBe(true);
+    });
+
+    test('应该能够验证平滑滚动', async () => {
+      const isSmooth = await homePage.verifySmoothScroll();
+      expect(isSmooth).toBe(true);
+    });
+  });
+
+  test.describe('移动端导航测试', () => {
+    test.beforeEach(async () => {
+      await homePage.page.setViewportSize({ width: 375, height: 667 });
+    });
+
+    test('应该能够打开移动端菜单', async () => {
+      await homePage.openMobileMenu();
+      expect(await homePage.mobileMenu.isVisible()).toBe(true);
+    });
+
+    test('应该能够关闭移动端菜单', async () => {
+      await homePage.openMobileMenu();
+      await homePage.closeMobileMenu();
+      expect(await homePage.mobileMenu.isVisible()).toBe(false);
+    });
+
+    test('应该能够通过移动端菜单导航', async () => {
+      await homePage.openMobileMenu();
+      const menuItem = homePage.mobileMenu.locator('a').first();
+      await menuItem.click();
+      await homePage.waitForTimeout(1000);
+      expect(await homePage.mobileMenu.isVisible()).toBe(false);
+    });
+
+    test('应该能够验证移动端菜单按钮可见性', async () => {
+      expect(await homePage.mobileMenuButton.isVisible()).toBe(true);
+    });
+  });
+
+  test.describe('导航链接验证', () => {
+    test('应该包含所有导航链接', async () => {
+      const labels = await homePage.getAllNavigationLabels();
+      expect(labels).toHaveLength(NAVIGATION_ITEMS.length);
+    });
+
+    test('应该包含正确的导航标签', async () => {
+      const labels = await homePage.getAllNavigationLabels();
+      NAVIGATION_ITEMS.forEach(item => {
+        expect(labels).toContain(item.label);
+      });
+    });
+
+    test('应该能够点击所有导航链接', async () => {
+      for (const item of NAVIGATION_ITEMS) {
+        await homePage.goto();
+        await homePage.clickNavigationItem(item.label);
+        await homePage.waitForTimeout(500);
+        expect(await homePage.getCurrentURL()).toContain(item.expectedUrl);
+      }
+    });
+  });
+
+  test.describe('导航可访问性测试', () => {
+    test('应该能够通过键盘导航', async () => {
+      await homePage.pressKey('Tab');
+      await homePage.pressKey('Tab');
+      const activeElement = await homePage.page.evaluate(() => document.activeElement?.tagName);
+      expect(['A', 'BUTTON']).toContain(activeElement);
+    });
+
+    test('应该有正确的ARIA标签', async () => {
+      const navigation = homePage.navigation;
+      const role = await navigation.getAttribute('role');
+      expect(role).toBe('navigation');
+    });
+  });
+
+  test.describe('导航响应式测试', () => {
+    test('应该在移动端显示汉堡菜单', async () => {
+      await homePage.page.setViewportSize({ width: 375, height: 667 });
+      expect(await homePage.mobileMenuButton.isVisible()).toBe(true);
+    });
+
+    test('应该在桌面端显示完整导航', async () => {
+      await homePage.page.setViewportSize({ width: 1280, height: 720 });
+      expect(await homePage.navigation.isVisible()).toBe(true);
+    });
+
+    test('应该在平板端显示完整导航', async () => {
+      await homePage.page.setViewportSize({ width: 768, height: 1024 });
+      expect(await homePage.navigation.isVisible()).toBe(true);
+    });
+  });
+});