chore: sync marketing pages, CMS extensions, tests and project docs

同步工作区剩余变更，主要包括：
- 营销页面组件与布局持续优化（about/news/services/solutions/team 等）
- 详情页四层叙事组件、布局组件、UI 组件调整
- CMS 数据模型、API 路由、权限、工作流、站内通知、媒体管理扩展
- 新增/补充单元测试与 E2E 测试（cms-workflow.spec.ts 等）
- ESLint 9 迁移、jest/tsconfig 配置更新、依赖调整
- 新增 ADR、CMS 评估文档、Release Review / Acceptance 报告
- 移除水墨装饰组件与大体积未使用字体文件

src/app/(marketing)/about/about-content-v4.tsx

@@ -105,16 +105,18 @@ function HeroSection({ data }: { data: AboutData }) {
           >
             <a
               href={data.heroPrimaryCtaHref || '#'}
+              aria-label={data.heroPrimaryCtaLabel || '预约咨询'}
               className="group inline-flex items-center justify-center gap-3 px-10 py-5 font-semibold text-base bg-brand text-white transition-all duration-300 hover:bg-brand/90 min-h-[52px] touch-manipulation"
             >
-              {data.heroPrimaryCtaLabel || ''}
+              {data.heroPrimaryCtaLabel || '预约咨询'}
               <ArrowUpRight className="w-4 h-4 transition-transform duration-300 group-hover:translate-x-0.5 group-hover:-translate-y-0.5" />
             </a>
             <a
               href={data.heroSecondaryCtaHref || '#'}
+              aria-label={data.heroSecondaryCtaLabel || '了解更多'}
               className="inline-flex items-center justify-center gap-3 px-10 py-5 font-semibold text-base text-ink border border-border-primary hover:border-border-secondary hover:bg-bg-secondary transition-all duration-300 min-h-[52px] touch-manipulation"
             >
-              {data.heroSecondaryCtaLabel || ''}
+              {data.heroSecondaryCtaLabel || '了解更多'}
             </a>
           </motion.div>
         </div>
@@ -377,16 +379,18 @@ function CTASection({ data }: { data: AboutData }) {
           <div className="flex flex-col sm:flex-row gap-4 sm:gap-6">
             <a
               href={data.ctaPrimaryHref || '#'}
+              aria-label={data.ctaPrimaryLabel || '预约咨询'}
               className="group inline-flex items-center justify-center gap-3 px-10 py-5 font-semibold text-base bg-brand text-white transition-all duration-300 hover:bg-brand/90 min-h-[52px] touch-manipulation"
             >
-              {data.ctaPrimaryLabel || ''}
+              {data.ctaPrimaryLabel || '预约咨询'}
               <ArrowUpRight className="w-4 h-4 transition-transform duration-300 group-hover:translate-x-0.5 group-hover:-translate-y-0.5" />
             </a>
             <a
               href={data.ctaSecondaryHref || '#'}
+              aria-label={data.ctaSecondaryLabel || '了解更多'}
               className="inline-flex items-center justify-center gap-3 px-10 py-5 font-semibold text-base text-ink border border-border-primary hover:border-border-secondary hover:bg-bg-secondary transition-all duration-300 min-h-[52px] touch-manipulation"
             >
-              {data.ctaSecondaryLabel || ''}
+              {data.ctaSecondaryLabel || '了解更多'}
             </a>
           </div>
         </motion.div>