feat: 样式调整

src/pages/ChatMain/ChatLongAnswer/index.vue

@@ -1,5 +1,5 @@
 <template>
-  <view class="flex flex-col bg-liner h-screen overflow-hidden">
+  <view class="flex flex-col bg-white h-screen overflow-hidden">
     <!-- ✅ 顶部固定导航 -->
     <view class="flex-shrink-0">
       <TopNavBar :title="title" background="transparent" />

src/pages/ChatMain/ChatLongAnswer/styles/index.scss

@@ -20,7 +20,7 @@
   flex: 1;
   min-width: 0;
   color: #111827;
-  font-size: 20px;
+  font-size: 18px;
   font-weight: 600;
   line-height: 28px;
 }