feat: 添加Tailwind CSS支持并修复URL拼接问题

添加Tailwind CSS及相关配置
修复多个爬虫服务中的URL拼接问题，避免双斜杠
调整前端导航菜单项顺序

src/crawler/services/szecp_target.ts

@@ -134,7 +134,7 @@ export const SzecpCrawler = {
         allResults.push(...pageResults.map(r => ({
           title: r!.title,
           publishDate: new Date(r!.dateStr),
-          url: r!.url
+          url: r!.url.replace(/\/\//g, '/')
         })));
 
         logger.log(`Extracted ${pageResults.length} items.`);