fix: localize English UI strings

frontend/src/components/account/CreateAccountModal.vue

@@ -560,18 +560,18 @@
                   Google One
                 </span>
                 <span class="text-xs text-gray-500 dark:text-gray-400">
-                  个人账号，享受 Google One 订阅配额
+                  {{ t('admin.accounts.gemini.oauthType.googleOneDesc') }}
                 </span>
                 <div class="mt-2 flex flex-wrap gap-1">
                   <span
                     class="rounded bg-purple-100 px-2 py-0.5 text-[10px] font-semibold text-purple-700 dark:bg-purple-900/40 dark:text-purple-300"
                   >
-                    推荐个人用户
+                    {{ t('admin.accounts.gemini.oauthType.badges.individuals') }}
                   </span>
                   <span
                     class="rounded bg-emerald-100 px-2 py-0.5 text-[10px] font-semibold text-emerald-700 dark:bg-emerald-900/40 dark:text-emerald-300"
                   >
-                    无需 GCP
+                    {{ t('admin.accounts.gemini.oauthType.badges.noGcp') }}
                   </span>
                 </div>
               </div>
@@ -603,10 +603,10 @@
                   GCP Code Assist
                 </span>
                 <span class="text-xs text-gray-500 dark:text-gray-400">
-                  企业级，需要 GCP 项目
+                  {{ t('admin.accounts.gemini.oauthType.codeAssistDesc') }}
                 </span>
                 <div class="mt-1 text-xs text-gray-500 dark:text-gray-400">
-                  需要激活 GCP 项目并绑定信用卡
+                  {{ t('admin.accounts.gemini.oauthType.codeAssistRequirement') }}
                   <a
                     :href="geminiHelpLinks.gcpProject"
                     class="ml-1 text-blue-600 hover:underline dark:text-blue-400"
@@ -620,12 +620,12 @@
                   <span
                     class="rounded bg-blue-100 px-2 py-0.5 text-[10px] font-semibold text-blue-700 dark:bg-blue-900/40 dark:text-blue-300"
                   >
-                    企业用户
+                    {{ t('admin.accounts.gemini.oauthType.badges.enterprise') }}
                   </span>
                   <span
                     class="rounded bg-emerald-100 px-2 py-0.5 text-[10px] font-semibold text-emerald-700 dark:bg-emerald-900/40 dark:text-emerald-300"
                   >
-                    高并发
+                    {{ t('admin.accounts.gemini.oauthType.badges.highConcurrency') }}
                   </span>
                 </div>
               </div>
@@ -648,7 +648,13 @@
               >
                 <path stroke-linecap="round" stroke-linejoin="round" d="M9 5l7 7-7 7" />
               </svg>
-              <span>{{ showAdvancedOAuth ? '隐藏' : '显示' }}高级选项（自建 OAuth Client）</span>
+              <span>
+                {{
+                  showAdvancedOAuth
+                    ? t('admin.accounts.gemini.oauthType.hideAdvanced')
+                    : t('admin.accounts.gemini.oauthType.showAdvanced')
+                }}
+              </span>
             </button>
           </div>
 
@@ -3072,7 +3078,7 @@
                 rel="noreferrer"
                 class="text-sm text-blue-600 hover:underline dark:text-blue-400"
               >
-                修改归属地
+                {{ t('admin.accounts.gemini.setupGuide.links.countryChange') }}
               </a>
               <span class="text-gray-400">·</span>
               <a

frontend/src/components/account/OAuthAuthorizationFlow.vue

@@ -56,7 +56,7 @@
                 class="text-blue-600 focus:ring-blue-500"
               />
               <span class="text-sm text-blue-900 dark:text-blue-200">{{
-                t('admin.accounts.oauth.openai.mobileRefreshTokenAuth', '手动输入 Mobile RT')
+                t('admin.accounts.oauth.openai.mobileRefreshTokenAuth', 'Manual Mobile RT Input')
               }}</span>
             </label>
             <label v-if="showSessionTokenOption" class="flex cursor-pointer items-center gap-2">
@@ -78,7 +78,7 @@
                 class="text-blue-600 focus:ring-blue-500"
               />
               <span class="text-sm text-blue-900 dark:text-blue-200">{{
-                t('admin.accounts.oauth.openai.accessTokenAuth', '手动输入 AT')
+                t('admin.accounts.oauth.openai.accessTokenAuth', 'Manual AT Input')
               }}</span>
             </label>
             <label v-if="showCodexSessionImportOption" class="flex cursor-pointer items-center gap-2">

frontend/src/components/account/ReAuthAccountModal.vue

@@ -106,7 +106,7 @@
             <span class="text-xs text-gray-500 dark:text-gray-400">
               {{
                 geminiOAuthType === 'google_one'
-                  ? '个人账号'
+                  ? t('admin.accounts.gemini.oauthType.googleOneDesc')
                   : geminiOAuthType === 'code_assist'
                     ? t('admin.accounts.gemini.oauthType.builtInDesc')
                     : t('admin.accounts.gemini.oauthType.customDesc')