feat: support页i18n适配

- SupportTabs中英文文本添加
- SupportCard描述中英文文本

app/components/pages/support/SupportCard.vue

@@ -20,7 +20,7 @@
     <el-row>
       <NuxtLink class="card-link" :to="to">
         <el-button class="card-button" round>
-          <span>了解更多 > </span>
+          <span>{{ $t('learn-more') }} > </span>
         </el-button>
       </NuxtLink>
     </el-row>

app/components/pages/support/SupportTabs.vue

@@ -21,10 +21,10 @@
 
   const activeTab = ref(props.modelValue || '');
   const options = [
-    { label: '服务支持', value: '' },
-    { label: '常见问题', value: 'faq' },
-    { label: '文档资料', value: 'documents' },
-    { label: '联系售后', value: 'contact-us' },
+    { label: $t('navigation.support'), value: '' },
+    { label: $t('navigation.faq'), value: 'faq' },
+    { label: $t('navigation.documents'), value: 'documents' },
+    { label: $t('navigation.contact-info'), value: 'contact-us' },
   ];
 
   const handleSegmentedChange = (value: string) => {