feat(FEAT-MO-001): 完成TDX市场概览首屏

web/tests/smoke.spec.ts

@@ -14,6 +14,7 @@ test('应用外壳在桌面和移动视口均可正常呈现', async ({ page })
 
   await expect(page.locator('main')).toBeVisible();
   await expect(page.getByText('A 股市场分析工具')).toBeVisible();
+  await expect(page.getByRole('heading', { name: '盘面先看结论，再看证据' })).toBeVisible();
 
   const hasHorizontalOverflow = await page.evaluate(
     () => document.documentElement.scrollWidth > document.documentElement.clientWidth,