fix(登录): 改进语言检测逻辑并清理翻译文件格式

修改登录模块中检测语言的逻辑，从比较字符串改为分别检查语言代码和国家代码，提高准确性
清理翻译文件中的注释格式和代码对齐

lib/modules/login/controllers/login_controller.dart

@@ -234,7 +234,8 @@ class LoginController extends GetxController {
                           child: GestureDetector(
                             onTap: () {
                               String url = 'https://www.deepsoud.com/ysxy.html';
-                              if (Get.locale?.toString() != 'zh_CN') {
+                              if (Get.locale?.languageCode != 'zh' ||
+                                  Get.locale?.countryCode != 'CN') {
                                 url = 'https://www.deepsoud.com/ysxy_en.html';
                               }
                               Get.to(() => WebViewPage(

lib/modules/login/views/login_view.dart

@@ -4,6 +4,7 @@ import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 import '../controllers/login_controller.dart';
 import '../../common/webview_page.dart';
+import 'package:get_storage/get_storage.dart';
 
 class LoginView extends GetView<LoginController> {
   const LoginView({Key? key}) : super(key: key);
@@ -601,9 +602,12 @@ class LoginView extends GetView<LoginController> {
             GestureDetector(
               onTap: () {
                 String url = 'https://www.deepsoud.com/ysxy.html';
-                if (Get.locale?.toString() != 'zh_CN') {
+
+                if (Get.locale?.languageCode != 'zh' ||
+                    Get.locale?.countryCode != 'CN') {
                   url = 'https://www.deepsoud.com/ysxy_en.html';
                 }
+
                 Get.to(() => WebViewPage(
                       url: url,
                       title: 'privacyPolicy'.tr,