style: 更新页面背景色和按钮样式

- 将反馈页面背景色从#f5f5f5改为纯白色
- 调整我的认证车页面价格字体大小和按钮颜色

 .feedback-page {
   min-height: 100vh;
-  background-color: #f5f5f5;
+  background-color: #fff;
   display: flex;
   flex-direction: column;
 }

 <!--
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-07-03 20:35:32
+ * @LastEditTime: 2025-07-04 14:53:07
  * @FilePath: /jgdl/src/pages/myAuthCar/index.vue
  * @Description: 我的认证车页面
 -->
@@ -40,7 +40,7 @@
                                 <text class="text-sm text-gray-500 mt-1 block">{{ item.details }}</text>
                                 <view class="mt-2 flex justify-between items-center">
                                     <view>
-                                        <text class="text-orange-500 font-bold">
+                                        <text class="text-orange-500 font-bold" style="font-size: 1.2rem;">
                                             ¥{{ item.price.toLocaleString() }}
                                         </text>
                                         <text class="text-gray-400 text-xs line-through ml-2">
@@ -51,6 +51,7 @@
                                         @click.stop="handleSellClick(item.id)"
                                         size="small"
                                         type="primary"
+                                        color="orange"
                                         class="px-3 py-1 rounded-full text-sm"
                                     >
                                         我要卖车