docs(test): 添加设计文档、测试规范与 E2E 测试套件

- 新增 ADR 架构决策记录 (Design DNA 集成与深化)
- 新增 CMS 系统设计文档
- 新增实施计划文档 (Phase1-3)
- 新增 Bain 品牌升级设计规格
- 新增 E2E 分层测试套件 (P1-P4)
- 新增视觉回归测试配置
- 新增光效分析、视觉验证等辅助脚本
- 更新验收测试报告

scripts/verify-glow.mjs

@@ -0,0 +1,49 @@
+import { chromium } from '@playwright/test';
+import * as fs from 'fs';
+import * as path from 'path';
+
+(async () => {
+  const browser = await chromium.launch({ headless: true });
+  const page = await browser.newPage({ viewport: { width: 1440, height: 900 } });
+  
+  console.log('正在访问首页...');
+  await page.goto('http://localhost:3000');
+  await page.waitForLoadState('networkidle');
+  await page.waitForTimeout(2000);
+  
+  const screenshotDir = '/tmp/screenshots';
+  if (!fs.existsSync(screenshotDir)) {
+    fs.mkdirSync(screenshotDir, { recursive: true });
+  }
+  
+  // 首页 Hero
+  await page.screenshot({ path: path.join(screenshotDir, '01-home-hero.png') });
+  console.log('✓ 首页 Hero 截图已保存');
+  
+  // Stats 区域
+  await page.evaluate(() => window.scrollTo(0, 1400));
+  await page.waitForTimeout(1000);
+  await page.screenshot({ path: path.join(screenshotDir, '02-stats-section.png') });
+  console.log('✓ Stats 区域截图已保存');
+  
+  // 服务区域
+  await page.evaluate(() => window.scrollTo(0, 2000));
+  await page.waitForTimeout(1000);
+  await page.screenshot({ path: path.join(screenshotDir, '03-services-section.png') });
+  console.log('✓ 服务区域截图已保存');
+  
+  // CTA 区域
+  await page.evaluate(() => window.scrollTo(0, 3800));
+  await page.waitForTimeout(1000);
+  await page.screenshot({ path: path.join(screenshotDir, '04-cta-section.png') });
+  console.log('✓ CTA 区域截图已保存');
+  
+  // 整页截图
+  await page.evaluate(() => window.scrollTo(0, 0));
+  await page.waitForTimeout(500);
+  await page.screenshot({ path: path.join(screenshotDir, '00-full-page.png'), fullPage: true });
+  console.log('✓ 整页截图已保存');
+  
+  await browser.close();
+  console.log('\n所有截图已保存到 /tmp/screenshots/ 目录');
+})();