feat(marketing): 重构营销页面与四层叙事组件体系

- 重构 About、Contact、Team 等静态营销页面
- 重构 News 新闻列表与详情页
- 重构 Products 产品目录、详情与独立产品页面
- 重构 Services 与 Solutions 服务/解决方案页面
- 重构 Detail 四层叙事组件 (Hero → Value → Trust → CTA)
- 重构 Sections 页面区块组件 (Hero, CTA, SocialProof, WhyUs 等)
- 新增 SectionHeader、ServiceCard、CaseCard 等可复用组件

src/components/detail/index.ts

@@ -0,0 +1,22 @@
+export { DetailHero } from './detail-hero';
+
+export { ProductValueSection } from './detail-product-value';
+
+export { DetailTrustSection } from './detail-trust-section';
+
+export { DetailCTASection } from './detail-cta-section';
+
+export { CaseStudyCard } from './detail-case-study';
+export { CertificationList } from './detail-certification';
+export { CrossRecommendGrid } from './detail-cross-recommend';
+
+export { SolutionValueSection } from './solution-value';
+export { ServiceValueSection } from './service-value';
+
+export { ListPageHero } from './list-page-hero';
+export { ProductCard } from './product-card';
+export { SolutionCard } from './solution-service-card';
+
+export { TiltCard, PressableButton, InkGlowCard, HoverLink } from './micro-interactions';
+
+export { BrandSeal, CalligraphyText, InkDivider, SectionHeader } from './brand-elements';