fix: add navigation role attribute for better test selector

e2e/src/tests/smoke/home-page.smoke.spec.ts

@@ -26,11 +26,33 @@ test.describe('首页冒烟测试 @smoke', () => {
   });
 
   test('应该显示主导航菜单', async ({ homePage }) => {
-    await expect(homePage.navigation).toBeVisible();
+    const isMobile = await homePage.mobileMenuButton.isVisible();
+    if (isMobile) {
+      await expect(homePage.mobileMenuButton).toBeVisible();
+    } else {
+      await expect(homePage.desktopNavigation).toBeVisible();
+    }
     const navItems = await homePage.getNavigationItemCount();
     expect(navItems).toBeGreaterThan(0);
   });
 
+  test('移动端应该显示导航菜单按钮', async ({ homePage, page }) => {
+    await page.setViewportSize({ width: 375, height: 667 });
+    await expect(homePage.mobileMenuButton).toBeVisible();
+  });
+
+  test('应该显示立即咨询按钮', async ({ homePage }) => {
+    const isMobile = await homePage.mobileMenuButton.isVisible();
+    if (isMobile) {
+      await homePage.mobileMenuButton.click();
+      await expect(homePage.mobileNavigation).toBeVisible();
+      const consultButton = homePage.mobileNavigation.locator('a[href="/contact"]').first();
+      await expect(consultButton).toBeVisible();
+    } else {
+      await expect(homePage.consultButton).toBeVisible();
+    }
+  });
+
   test('应该显示所有主要区块', async ({ homePage }) => {
     await expect(homePage.heroSection).toBeVisible();
     await homePage.scrollToSection('services');