feat: add and optimize multilingual text resources

- add new language packs for multiple pages and components including category, cart, order, member center, distribution, etc.
- add Chinese and English translations for new features and UI text
- fix navigation service error message to use multilingual text
- update component templates to use dynamic language translation instead of hardcoded text
- adjust code indentation and formatting for consistency

common/js/navigation.js

@@ -1,5 +1,6 @@
 import { EventSafety } from '@/common/js/event-safety.js'
 import util from '@/common/js/util.js'
+import Lang from '@/common/js/lang.js'
 
 export class NavigationHelper {
   constructor() {
@@ -260,7 +261,7 @@ export class NavigationHelper {
     }
     
     // 显示用户友好的错误信息
-    this.showError('导航服务暂时不可用')
+    this.showError(Lang.lang('navigation.serviceUnavailable'))
   }
   
   // 显示错误提示