产品详情增加最小包装数量展示以及调整展示样式

components/store/CommodityInfo.vue

@@ -46,7 +46,7 @@
               <span class="name">包&nbsp;装</span>：<span v-text="commodity.packaging || '无包装信息'"></span>
             </div>
             <div class="com-info">
-              <span class="name">最小包装数</span>：<span v-text="commodity.minPackQty || '无最小包装数信息'"></span>
+              <span class="name" style="letter-spacing: 1px;">最小包装数</span>：<span v-text="commodity.minPackQty || '无最小包装数信息'"></span>
             </div>
             <div class="com-info">
               <span class="name">规&nbsp;格</span>：<span v-text="commodity.spec || '无规格信息'"></span>