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/cdt_target.ts

@@ -55,7 +55,7 @@ export interface CdtResult {
 export const CdtCrawler = {
   name: '中国大唐集团电子商务平台',
   url: 'https://tang.cdt-ec.com/home/index.html',
-  baseUrl: 'https://tang.cdt-ec.com/',
+  baseUrl: 'https://tang.cdt-ec.com',
 
   async crawl(browser: puppeteer.Browser): Promise<CdtResult[]> {
     const logger = new Logger('CdtCrawler');
@@ -252,10 +252,11 @@ export const CdtCrawler = {
       const dateStr = match[3]?.trim();
 
       if (title && url) {
+        const fullUrl = url.startsWith('http') ? url : this.baseUrl + url;
         results.push({
           title,
           publishDate: dateStr ? new Date(dateStr) : new Date(),
-          url: url.startsWith('http') ? url : this.baseUrl + url
+          url: fullUrl.replace(/\/\//g, '/')
         });
       }
     }