修改class

src/components/Adult/preview/components/FreePaint.vue

@@ -1,6 +1,6 @@
 <!--  -->
 <template>
-  <div class="practice practiceSingle">
+  <div class="practice practiceSingleNPC">
     <img
       @click="changePraShow()"
       class="close-icon"
@@ -403,7 +403,7 @@ export default {
 }
 </style>
 <style lang="scss">
-.practiceSingle {
+.practiceSingleNPC {
   .el-tabs--border-card > .el-tabs__header .el-tabs__item.is-active {
     color: #000;
   }

src/components/Adult/preview/components/Practice.vue

@@ -1,6 +1,6 @@
 <!--  -->
 <template>
-  <div class="practice practiceSingle">
+  <div class="practice practiceSingleNPC">
     <div
       :key="item.con + index"
       class="Book_content"