refactor(ui): 优化导航组件和页面布局

- 移除多个页面的面包屑导航组件
- 添加统一的返回按钮组件替代各页面独立实现
- 优化导航栏滚动检测逻辑和动画效果
- 更新常量类型定义和统计数据
- 调整动态导入的SSR配置为false
- 添加FlipClock组件展示公司运营时长
- 优化新闻列表页的类型安全和响应式设计

src/lib/constants.ts

@@ -1,3 +1,27 @@
+// Type Definitions
+export type NewsCategory = '公司新闻' | '产品发布' | '合作动态' | '行业资讯';
+
+export interface NewsItem {
+  id: string;
+  title: string;
+  excerpt: string;
+  date: string;
+  category: NewsCategory;
+  image: string;
+  content: string;
+}
+
+export interface NavigationItem {
+  id: string;
+  label: string;
+  href: string;
+}
+
+export interface StatItem {
+  value: string;
+  label: string;
+}
+
 // Company Information
 export const COMPANY_INFO = {
   name: '四川睿新致远科技有限公司',
@@ -12,7 +36,7 @@ export const COMPANY_INFO = {
 } as const;
 
 // Navigation Items - 混合导航（首页滚动，详情页跳转）
-export const NAVIGATION = [
+export const NAVIGATION: NavigationItem[] = [
   { id: 'home', label: '首页', href: '/#home' },
   { id: 'services', label: '核心业务', href: '/#services' },
   { id: 'products', label: '产品服务', href: '/#products' },
@@ -20,15 +44,15 @@ export const NAVIGATION = [
   { id: 'about', label: '关于我们', href: '/#about' },
   { id: 'news', label: '新闻动态', href: '/#news' },
   { id: 'contact', label: '联系我们', href: '/#contact' },
-] as const;
+];
 
 // Stats Data
-export const STATS = [
-  { value: '50+', label: '企业客户' },
-  { value: '100+', label: '成功案例' },
-  { value: '200+', label: '项目交付' },
-  { value: '8+', label: '年行业经验' },
-] as const;
+export const STATS: StatItem[] = [
+  { value: '10+', label: '企业客户' },
+  { value: '20+', label: '成功案例' },
+  { value: '30+', label: '项目交付' },
+  { value: '12+', label: '年行业经验' },
+];
 
 // Services Data
 export const SERVICES = [
@@ -319,7 +343,7 @@ export const PRODUCTS = [
 ] as const;
 
 // News Data
-export const NEWS = [
+export const NEWS: NewsItem[] = [
   {
     id: '1',
     title: '四川睿新致远科技有限公司正式成立',
@@ -433,7 +457,7 @@ export const NEWS = [
 
 公司表示，将持续优化网站功能和内容，将其打造为展示公司形象、服务客户需求的重要窗口。欢迎广大客户和合作伙伴访问浏览，提出宝贵意见。`,
   },
-] as const;
+];
 
 // Solutions Data
 export const SOLUTIONS = [