chore: 移除运费，修改服务内容

src/pages/buy/index.vue

@@ -19,13 +19,13 @@
       </p>
     </div>
     <div class="item service-item">
-      <div class="freight">
+      <!-- <div class="freight">
         <span>运费</span>
         <p class="van-hairline--bottom">无需配送</p>
-      </div>
+      </div> -->
       <div class="service">
         <span>服务</span>
-        <p>收货后结算·不支持申请退款</p>
+        <p>毕业典礼、人才年会、不支持退款</p>
         <van-icon name="arrow"/>
       </div>
     </div>