fix(商品详情页): 将评分组件设置为只读并调整大小

防止用户误操作修改评分，同时统一组件尺寸为14px

 <!--
  * @Date: 2022-09-19 14:11:06
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-07-14 15:51:50
+ * @LastEditTime: 2025-07-14 16:38:18
  * @FilePath: /jgdl/src/pages/productDetail/index.vue
  * @Description: 商品详情页
 -->
@@ -97,19 +97,19 @@
                 <view class="flex justify-between items-center">
                     <text>车辆成色</text>
                     <view class="flex">
-                        <nut-rate v-model="product.new_level" active-color="orange" />
+                        <nut-rate v-model="product.new_level" active-color="orange" readonly size="14" />
                     </view>
                 </view>
                 <view class="flex justify-between items-center">
                     <text>刹车磨损度</text>
                     <view class="flex">
-                        <nut-rate v-model="product.brake_wear_level" active-color="orange" />
+                        <nut-rate v-model="product.brake_wear_level" active-color="orange" readonly size="14" />
                     </view>
                 </view>
                 <view class="flex justify-between items-center">
                     <text>轮胎磨损度</text>
                     <view class="flex">
-                        <nut-rate v-model="product.tire_wear_level" active-color="orange" />
+                        <nut-rate v-model="product.tire_wear_level" active-color="orange" readonly size="14" />
                     </view>
                 </view>
             </view>