fix: 修正搜索页面相关问题路由跳转逻辑

- 当用户点击问题条目时，生成一个带有query的url: faq?focus=[slug]自动展开faq页面中的对应词条

app/components/shared/QuestionList.vue

@@ -1,8 +1,9 @@
 <template>
   <div class="question-list">
-    <el-collapse class="question-collapse" accordion>
+    <el-collapse v-model="activeNames" class="question-collapse">
       <el-collapse-item
         v-for="question in questions"
+        :id="`q-${question.id}`"
         :key="question.id"
         :title="question.title"
         :name="question.id"
@@ -14,12 +15,38 @@
 </template>
 
 <script setup lang="ts">
-  defineProps({
+  const props = defineProps({
     questions: {
       type: Array as PropType<ProductQuestionView[]>,
       default: () => [],
     },
   });
+  const route = useRoute();
+
+  const activeNames = ref<(string | number)[]>([]);
+
+  // 当路由变化（包括初次挂载）时，检查是否需要聚焦
+  watch(
+    () => route.query.focus,
+    async (focusId) => {
+      if (!focusId) return;
+      if (!import.meta.client) return;
+
+      // 确保渲染完成后再操作 DOM
+      await nextTick();
+
+      const target = props.questions.find((q) => q.id === Number(focusId));
+      if (!target) return;
+
+      // 展开目标项
+      activeNames.value = [target.id];
+
+      // 平滑滚动到对应位置
+      const el = document.querySelector(`#q-${target.id}`);
+      el?.scrollIntoView({ behavior: 'smooth', block: 'start' });
+    },
+    { immediate: true }
+  );
 </script>
 
 <style scoped>