🌈 style: 优化背景选择布局宽度

src/views/components/quickSendGame/sendGame/SendTransWxGame.vue

@@ -776,6 +776,7 @@
   display: flex;
   flex-wrap: wrap;
   gap: 16px;
+  width: 100%;
 }
 
 .background-radio-item {
@@ -783,7 +784,7 @@
   margin-bottom: 0 !important;
   flex: 1 0 0;
   min-width: 0;
-  
+  width: 170px;
   ::v-deep .el-radio__input {
     display: none;
   }