refactor: 完成多语言国际化全量替换与补充

1. 新增大量中英文语言包文件，覆盖自定义组件、页面、工具类的文案
2. 替换硬编码文本为多语言调用，统一全局文案管理
3. 优化语言包结构，拆分公共模块与业务模块
4. 修复部分语言加载与国际化适配问题

lang/en-us/order/refund_detail.js

@@ -64,6 +64,12 @@ export const lang = {
 		cancelSuccess: 'Cancelled successfully'
 	},
 
+	// ====== Cancel Refund Modal ======
+	cancelRefund: {
+		content: 'After cancellation, this application will be closed. You can reapply if needed.',
+		cancelText: 'Not Now'
+	},
+
 	// ====== Form Validation ======
 	validate: {
 		pleaseInputExpressCompany: 'Please enter logistics company',