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/app/(marketing)/services/[id]/client.tsx

@@ -1,13 +1,11 @@
 'use client';
 
 import { useRef } from 'react';
-import { useRouter } from 'next/navigation';
 import Link from 'next/link';
 import { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
-import { Breadcrumb } from '@/components/layout/breadcrumb';
+import { BackButton } from '@/components/ui/back-button';
 import { 
-  ArrowLeft, 
   CheckCircle2, 
   TrendingUp, 
   Users, 
@@ -96,7 +94,6 @@ const outcomes = {
 };
 
 export function ServiceDetailClient({ service }: ServiceDetailClientProps) {
-  const router = useRouter();
   const contentRef = useRef<HTMLDivElement>(null);
 
   const serviceChallenges = challenges[service.id as keyof typeof challenges] ?? [];
@@ -107,18 +104,9 @@ export function ServiceDetailClient({ service }: ServiceDetailClientProps) {
 
   return (
     <main className="min-h-screen bg-white">
-      <Breadcrumb items={[{ label: '核心业务', href: '/services' }, { label: service.title, href: `/services/${service.id}` }]} />
       <div className="relative overflow-hidden bg-gradient-to-b from-[#FAFAFA] to-white">
         <div className="container-wide relative z-10 pt-32 pb-20">
-          <Button 
-            variant="ghost" 
-            className="text-[#5C5C5C] hover:text-[#C41E3A] hover:bg-[#C41E3A]/10"
-            onClick={() => router.back()}
-            type="button"
-          >
-            <ArrowLeft className="w-4 h-4 mr-2" />
-            返回
-          </Button>
+          <BackButton />
           <div className="max-w-4xl mt-8">
             <div className="flex items-center gap-4 mb-6">
               <div className="w-16 h-16 bg-[#C41E3A] rounded-2xl flex items-center justify-center text-white">