refactor(production): 重构产品详情页代码

- 将问题列表调整为单独的Vue组件

app/pages/productions/[...slug].vue

@@ -33,15 +33,7 @@
             <spec-table :data="production.production_specs" />
           </el-tab-pane>
           <el-tab-pane label="常见问题" name="faq">
-            <div class="faq-list">
-              <el-collapse class="faq-collapse" accordion>
-                <el-collapse-item
-v-for="(question, index) in production.questions" :key="index" :title="question.title"
-                  :name="String(index)">
-                  <markdown-renderer :content="question.content || ''" />
-                </el-collapse-item>
-              </el-collapse>
-            </div>
+            <question-list :questions="production.questions" />
           </el-tab-pane>
           <el-tab-pane label="相关文档" name="documents">
             <div class="document-list">
@@ -233,24 +225,6 @@ useHead({
   gap: 1rem;
 }
 
-::v-deep(.el-collapse-item__header) {
-  font-size: 1rem;
-  padding: 1rem;
-}
-
-.faq-collapse {
-  border: none;
-}
-
-.faq-collapse :deep(.el-collapse-item) {
-  margin-bottom: 1rem;
-  box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.1);
-}
-
-.faq-collapse :deep(.el-collapse-item__header) {
-  border: 1px solid var(--el-border-color-light);
-}
-
 .loading {
   display: flex;
   justify-content: center;