feat: 添加预览效果页面并优化交互效果

refactor: 优化代码健壮性和类型安全

style: 更新字体样式和全局CSS

fix: 修复IntersectionObserver潜在空引用问题

chore: 更新依赖和ESLint配置

build: 更新构建ID和路由配置

.next/types/routes.d.ts

@@ -1,7 +1,7 @@
 // This file is generated automatically by Next.js
 // Do not edit this file manually
 
-type AppRoutes = "/" | "/about" | "/cases/[id]" | "/contact" | "/news" | "/news/[slug]" | "/products" | "/services"
+type AppRoutes = "/" | "/about" | "/cases/[id]" | "/contact" | "/news" | "/news/[slug]" | "/preview/effects" | "/products" | "/services"
 type PageRoutes = never
 type LayoutRoutes = "/"
 type RedirectRoutes = never
@@ -16,6 +16,7 @@ interface ParamMap {
   "/contact": {}
   "/news": {}
   "/news/[slug]": { "slug": string; }
+  "/preview/effects": {}
   "/products": {}
   "/services": {}
 }

.next/types/validator.ts

@@ -108,6 +108,15 @@ type LayoutConfig<Route extends LayoutRoutes = LayoutRoutes> = {
   type __Unused = __Check
 }
 
+// Validate ../../src/app/preview/effects/page.tsx
+{
+  type __IsExpected<Specific extends AppPageConfig<"/preview/effects">> = Specific
+  const handler = {} as typeof import("../../src/app/preview/effects/page.js")
+  type __Check = __IsExpected<typeof handler>
+  // @ts-ignore
+  type __Unused = __Check
+}
+