【需求 20331】 perf: 细节优化

src/views/homePage/askTab/index.vue

@@ -172,7 +172,7 @@
             </div>
             <Transition name="fadeCommentBox" mode="out-in">
               <Comment
-                v-if="item.showComment"
+                v-show="item.showComment"
                 :ref="(e) => (commentRefList[index] = e as InstanceType<typeof Comment>)"
                 :id="item.id"
                 :total="item.cultureCommentListVo?.childNum || 0"

src/views/homePage/yaTab/components/practiceList.vue

@@ -136,7 +136,7 @@
           <div class="flex gap-3 items-center h-100%" style="border-bottom: 1.5px solid #ddd">
             <!-- 左侧内容 -->
             <div class="flex-1">
-              <h1 class="font-medium text-gray-900 mb-2 leading-relaxed line-clamp-1 text-lg">
+              <h1 class="font-medium text-gray-800 mb-2 leading-relaxed line-clamp-1 text-lg">
                 {{ item.title }}
               </h1>
 
@@ -149,7 +149,7 @@
                   class="w-40 h-25 object-cover rounded-lg flex-shrink-0"
                 />
                 <div class="flex-1 mr-4">
-                  <div class="text-gray-600 text-base leading-relaxed line-clamp-3">
+                  <div class="text-gray-500 text-base leading-relaxed line-clamp-3">
                     {{ item.content }}
                   </div>
                 </div>

src/views/pointsStore/index.vue

@@ -309,6 +309,7 @@ const onExchangeGoods = async (item: BackendShopItemDto) => {
         await exchangeGoods(form.value)
         ElMessage.success('兑换成功')
         yabiStore.fetchYaBiData()
+        item.stock -= form.value.num
         done()
       } catch (error) {
         console.log(error)

src/views/questionDetail/index.vue

 <template>
-  <div class="min-h-screen pb-10 font-sans text-slate-800 flex justify-center px-20">
+  <div class="min-h-screen pb-10 text-slate-800 flex justify-center px-20">
     <div class="w-full space-y-4">
       <!-- 1. 问题卡片 -->
       <div