feat(app): 添加多模板关于我们页面及相关路由和404页面

- 新增404页面，优化未找到页面体验，避免被搜索引擎索引
- 增加文件代理接口，隐藏真实文件服务器地址，支持文件请求代理
- 实现/article、/case、/product及/page动态路由兼容列表与详情展示
- 添加动态CMS页面兼容入口处理旧式路径，统一路由与SEO设置
- 新增模板1、模板7、模板2、模板3关于我们页面，实现多模板支持
- 模板增强支持CMS单页内容加载及SEO信息动态设置
- 配置环境变量及Git忽略文件规则辅助开发和构建环境管理

.nuxt/tailwind/postcss.mjs

@@ -0,0 +1,16 @@
+// generated by the @nuxtjs/tailwindcss <https://github.com/nuxt-modules/tailwindcss> module at 9/8/2026, 12:12:09 PM
+import "@nuxtjs/tailwindcss/config-ctx"
+import configMerger from "@nuxtjs/tailwindcss/merger";
+
+import cfg2 from "./../../tailwind.config.cjs";
+import cfg3 from "./../../tailwind.config.cjs";
+const config = [
+{"content":{"files":["/Users/gxwebsoft/VUE/hjc-web/app/components/**/*.{vue,js,jsx,mjs,ts,tsx}","/Users/gxwebsoft/VUE/hjc-web/app/components/global/**/*.{vue,js,jsx,mjs,ts,tsx}","/Users/gxwebsoft/VUE/hjc-web/app/components/**/*.{vue,js,jsx,mjs,ts,tsx}","/Users/gxwebsoft/VUE/hjc-web/app/layouts/**/*.{vue,js,jsx,mjs,ts,tsx}","/Users/gxwebsoft/VUE/hjc-web/app/plugins/**/*.{js,ts,mjs}","/Users/gxwebsoft/VUE/hjc-web/app/composables/**/*.{js,ts,mjs}","/Users/gxwebsoft/VUE/hjc-web/app/utils/**/*.{js,ts,mjs}","/Users/gxwebsoft/VUE/hjc-web/app/pages/**/*.{vue,js,jsx,mjs,ts,tsx}","/Users/gxwebsoft/VUE/hjc-web/app/{A,a}pp.{vue,js,jsx,mjs,ts,tsx}","/Users/gxwebsoft/VUE/hjc-web/app/{E,e}rror.{vue,js,jsx,mjs,ts,tsx}","/Users/gxwebsoft/VUE/hjc-web/app/app.config.{js,ts,mjs}"]}},
+{},
+cfg2,
+cfg3
+].reduce((acc, curr) => configMerger(acc, curr), {});
+
+const resolvedConfig = config;
+
+export default resolvedConfig;