feat: 服务支持页懒加载

- 骨架屏调整：服务支持页骨架屏布局调整
- 懒加载：服务支持页添加懒加载机制

app/pages/support/faq.vue

@@ -1,34 +1,47 @@
 <template>
   <div class="page-container">
-    <div v-if="pending" class="flex justify-center items-center h-64">
-      <el-skeleton :rows="6" animated />
+    <support-tabs model-value="faq" />
+    <div class="page-header">
+      <h1 class="page-title">{{ $t('navigation.faq') }}</h1>
+      <app-breadcrumb class="breadcrumb" :items="breadcrumbItems" />
     </div>
-    <div v-else>
-      <support-tabs model-value="faq" />
-      <div class="page-header">
-        <h1 class="page-title">{{ $t('navigation.faq') }}</h1>
-        <app-breadcrumb class="breadcrumb" :items="breadcrumbItems" />
-      </div>
 
-      <div class="page-content">
-        <question-filter
-          v-model="filters"
-          :product-type-options="productTypeOptions"
-          :product-options="productOptions"
-          :question-type-options="questionTypeOptions"
-        />
+    <div v-if="pending" class="page-content">
+      <el-skeleton :rows="10" animated class="py-4" throttle="100">
+        <template #template>
+          <div class="flex flex-col gap-xl">
+            <el-skeleton-item
+              variant="rect"
+              style="width: 100%; height: 100px"
+            />
+            <el-skeleton-item
+              v-for="i in 10"
+              :key="i"
+              variant="h1"
+              style="height: 60px"
+            />
+          </div>
+        </template>
+      </el-skeleton>
+    </div>
+    <div v-else class="page-content">
+      <question-filter
+        v-model="filters"
+        :product-type-options="productTypeOptions"
+        :product-options="productOptions"
+        :question-type-options="questionTypeOptions"
+      />
 
-        <question-list :questions="paginatedQuestions" />
+      <question-list :questions="paginatedQuestions" />
 
-        <el-pagination
-          v-model:current-page="page"
-          class="justify-center pagination-container"
-          layout="prev, pager, next"
-          hide-on-single-page
-          :page-size="questionsPerPage"
-          :total="filteredQuestions.length"
-        />
-      </div>
+      <el-pagination
+        v-model:current-page="page"
+        class="justify-center pagination-container"
+        layout="prev, pager, next"
+        hide-on-single-page
+        :page-size="questionsPerPage"
+        :total="filteredQuestions.length"
+      />
     </div>
   </div>
 </template>
@@ -57,7 +70,7 @@
     { label: $t('navigation.faq') },
   ];
 
-  const { data: questions, pending, error } = await useQuestionList();
+  const { data: questions, pending, error } = useQuestionList();
 
   const questionTypeOptions = computed(() => {
     const types: QuestionTypeView[] = [];