refactor: 完成静态网站转换，移除所有 CMS 和动态功能

- 删除数据库相关代码 (src/db/)
- 删除 API 路由 (src/app/api/)
- 删除认证相关代码 (src/lib/auth/, src/providers/)
- 删除监控和安全中间件 (src/lib/security/, src/lib/monitoring/)
- 删除 hooks (use-news, use-products, use-services)
- 更新组件为静态数据源
- 添加 nginx 静态配置和部署脚本
- 添加 static-link 组件

src/components/sections/news-section.tsx

@@ -2,72 +2,19 @@
 
 import { motion } from 'framer-motion';
 import { useInView } from 'framer-motion';
-import { useRef, useMemo } from 'react';
-import Link from 'next/link';
+import { useRef } from 'react';
+import { StaticLink } from '@/components/ui/static-link';
 import { Card, CardContent, CardHeader, CardTitle, CardDescription } from '@/components/ui/card';
 import { ArrowRight, Calendar } from 'lucide-react';
-import { useNews } from '@/hooks/use-news';
+import { NEWS } from '@/lib/constants';
 
-interface NewsConfig {
-  enabled?: boolean;
-  displayCount?: number;
-  categories?: string[];
-  sortOrder?: 'asc' | 'desc';
-}
-
-interface NewsSectionProps {
-  config?: NewsConfig;
-}
-
-export function NewsSection({ config }: NewsSectionProps) {
+export function NewsSection() {
   const ref = useRef(null);
   const isInView = useInView(ref, { once: true, margin: '-100px' });
-  const { news, loading, error } = useNews();
-  
-  const displayedNews = useMemo(() => {
-    if (!news || news.length === 0) {
-      return [];
-    }
-    
-    let filtered = news;
-    
-    if (config?.categories && config.categories.length > 0) {
-      filtered = filtered.filter(newsItem => config.categories?.includes(newsItem.category));
-    }
-    
-    if (config?.sortOrder === 'asc') {
-      filtered = [...filtered].sort((a, b) => new Date(a.date).getTime() - new Date(b.date).getTime());
-    } else {
-      filtered = [...filtered].sort((a, b) => new Date(b.date).getTime() - new Date(a.date).getTime());
-    }
-    
-    const count = config?.displayCount || 4;
-    return filtered.slice(0, count);
-  }, [news, config]);
 
-  if (loading) {
-    return (
-      <section id="news" role="region" aria-labelledby="news-heading" className="py-24 bg-[#F5F5F5]" ref={ref}>
-        <div className="container-custom">
-          <div className="text-center">
-            <p className="text-lg text-[#5C5C5C]">加载中...</p>
-          </div>
-        </div>
-      </section>
-    );
-  }
-
-  if (error) {
-    return (
-      <section id="news" role="region" aria-labelledby="news-heading" className="py-24 bg-[#F5F5F5]" ref={ref}>
-        <div className="container-custom">
-          <div className="text-center">
-            <p className="text-lg text-red-600">加载新闻信息失败，请稍后重试</p>
-          </div>
-        </div>
-      </section>
-    );
-  }
+  const displayedNews = [...NEWS]
+    .sort((a, b) => new Date(b.date).getTime() - new Date(a.date).getTime())
+    .slice(0, 4);
 
   return (
     <section id="news" role="region" aria-labelledby="news-heading" className="py-24 bg-[#F5F5F5]" ref={ref}>
@@ -112,13 +59,13 @@ export function NewsSection({ config }: NewsSectionProps) {
                     <CardDescription className="text-base leading-relaxed mb-6 flex-1">
                       {newsItem.excerpt}
                     </CardDescription>
-                    <Link
+                    <StaticLink
                       href={`/news/${newsItem.id}`}
                       className="inline-flex items-center text-sm font-medium text-[#1C1C1C] hover:text-[#C41E3A] transition-colors group/link"
                     >
                       阅读更多
                       <ArrowRight className="ml-1 w-4 h-4 transition-transform group-hover/link:translate-x-1" />
-                    </Link>
+                    </StaticLink>
                   </CardContent>
                 </Card>
               </motion.div>
@@ -136,13 +83,13 @@ export function NewsSection({ config }: NewsSectionProps) {
           transition={{ duration: 0.6, delay: 0.5 }}
           className="mt-12 text-center"
         >
-          <Link 
+          <StaticLink 
             href="/news"
             className="inline-flex items-center text-sm font-medium text-[#1C1C1C] hover:text-[#C41E3A] transition-colors bg-transparent border-none cursor-pointer group"
           >
             查看全部新闻
             <ArrowRight className="ml-1 w-4 h-4 transition-transform group-hover:translate-x-1" />
-          </Link>
+          </StaticLink>
         </motion.div>
       </div>
     </section>