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/products-section.tsx

@@ -2,62 +2,17 @@
 
 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 { Button } from '@/components/ui/button';
 import { Badge } from '@/components/ui/badge';
 import { ArrowRight, Check, TrendingUp } from 'lucide-react';
-import { useProducts } from '@/hooks/use-products';
+import { PRODUCTS } from '@/lib/constants';
 
-interface ProductsConfig {
-  enabled?: boolean;
-  showPricing?: boolean;
-  featuredProducts?: string[];
-}
-
-interface ProductsSectionProps {
-  config?: ProductsConfig;
-}
-
-export function ProductsSection({ config }: ProductsSectionProps) {
+export function ProductsSection() {
   const ref = useRef(null);
   const isInView = useInView(ref, { once: true, margin: '-100px' });
-  const { products, loading, error } = useProducts();
-
-  const filteredProducts = useMemo(() => {
-    if (!products || products.length === 0) {
-      return [];
-    }
-    if (!config?.featuredProducts || config.featuredProducts.length === 0) {
-      return products;
-    }
-    return products.filter(product => config.featuredProducts?.includes(product.id));
-  }, [products, config]);
-
-  if (loading) {
-    return (
-      <section id="products" role="region" aria-labelledby="products-heading" className="py-24 bg-[#F5F7FA] relative overflow-hidden">
-        <div className="container-wide relative z-10">
-          <div className="text-center">
-            <p className="text-lg text-[#5C5C5C]">加载中...</p>
-          </div>
-        </div>
-      </section>
-    );
-  }
-
-  if (error) {
-    return (
-      <section id="products" role="region" aria-labelledby="products-heading" className="py-24 bg-[#F5F7FA] relative overflow-hidden">
-        <div className="container-wide relative z-10">
-          <div className="text-center">
-            <p className="text-lg text-red-600">加载产品信息失败，请稍后重试</p>
-          </div>
-        </div>
-      </section>
-    );
-  }
 
   return (
     <section id="products" role="region" aria-labelledby="products-heading" className="py-24 bg-[#F5F7FA] relative overflow-hidden" ref={ref}>
@@ -78,16 +33,16 @@ export function ProductsSection({ config }: ProductsSectionProps) {
           </p>
         </motion.div>
 
-        {filteredProducts.length > 0 ? (
+        {PRODUCTS.length > 0 ? (
           <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-8">
-            {filteredProducts.map((product, idx) => (
+            {PRODUCTS.map((product, idx) => (
               <motion.div
                 key={product.id}
                 initial={{ opacity: 0, y: 20 }}
                 animate={isInView ? { opacity: 1, y: 0 } : {}}
                 transition={{ duration: 0.5, delay: 0.1 + idx * 0.1 }}
               >
-                <Link href={`/products/${product.id}`}>
+                <StaticLink href={`/products/${product.id}`}>
                   <Card className="h-full flex flex-col group cursor-pointer border-[#E5E5E5] hover:border-[#1C1C1C] transition-colors">
                     <CardHeader>
                       <Badge variant="secondary" className="w-fit mb-3">
@@ -130,7 +85,7 @@ export function ProductsSection({ config }: ProductsSectionProps) {
                         </ul>
                       </div>
 
-                      {config?.showPricing && product.pricing && (
+                      {product.pricing && (
                         <div className="mb-4 p-3 bg-[#F5F7FA] rounded-lg">
                           <p className="text-sm font-medium text-[#1C1C1C] mb-2">价格方案</p>
                           <div className="space-y-1">
@@ -149,7 +104,7 @@ export function ProductsSection({ config }: ProductsSectionProps) {
                       </Button>
                     </CardContent>
                   </Card>
-                </Link>
+                </StaticLink>
               </motion.div>
             ))}
           </div>
@@ -181,10 +136,10 @@ export function ProductsSection({ config }: ProductsSectionProps) {
                 size="lg"
                 asChild
               >
-                <Link href="/contact">
+                <StaticLink href="/contact">
                   联系我们
                   <ArrowRight className="ml-2 w-4 h-4" />
-                </Link>
+                </StaticLink>
               </Button>
             </div>
           </div>