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/routes-manifest.json

@@ -81,6 +81,12 @@
       "routeKeys": {},
       "namedRegex": "^/news(?:/)?$"
     },
+    {
+      "page": "/preview/effects",
+      "regex": "^/preview/effects(?:/)?$",
+      "routeKeys": {},
+      "namedRegex": "^/preview/effects(?:/)?$"
+    },
     {
       "page": "/products",
       "regex": "^/products(?:/)?$",