Adjust popup bottom display

pages/index.vue

@@ -75,7 +75,7 @@
       </div>
     </van-popup>
     <van-popup v-model="q2Mask" round position="bottom" :style="{ height: '94%' }">
-      <div class="q1Mask-wrapper">
+      <div class="q1Mask-wrapper" style="background-color: #ebecf0;">
         <div class="q1Mask-header">
           <div class="q1Mask-header-btn" @click="q2Mask = false">取消</div>
           <div class="q1Mask-header-title">安装教程</div>
@@ -308,6 +308,10 @@ export default {
   color: white;
 }
 
+.q1Mask-wrapper {
+  overflow: auto;
+}
+
 .q1Mask-header {
   height: 3rem;
   background-color: white;
@@ -332,8 +336,9 @@ export default {
 
 .q1Mask-img {
   width: 100%;
-  height: calc(93.8vh - 3rem);
+  height: calc(83.8vh - 3rem);
   overflow-y: auto;
+  margin-bottom: 10vh;
 }
 
 .q1Mask-img img {