.topic_index {
  height: 100%;
}

.topic_index image {
  width: 100%;
  height: 100%;
  position: absolute;
  vertical-align: middle;
}
.answer1{
  margin-top: 100rpx;
}
.answer2{
  margin-top: 40rpx;
}

.topic_answer {
  width: 100%;
  height: 100vh;
  background: url("https://mahuaimage2.oss-cn-qingdao.aliyuncs.com/mini_app/video/61b17100c71a32d5df7e5374efc99918f632401e19f77.jpg");
  background-size: 100% 100%; 
  display: flex;
  align-items: center;
  justify-content: center;
}

.pop {
  width: 75%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.pop image{
  /* width: 200rpx;
  height: 200rpx; */
  /* display: block; */  vertical-align: middle;
}
.pop .ans{
  
}
.answer_topic{
  width: 100%;
  height: 100vh;
}
.topic_answer .di {
  width: 100%;
  height: 100vh;
}
.topic_last{
  /* width: 100%;
  height: 100vh;
  background: url("https://mahuaimage2.oss-cn-qingdao.aliyuncs.com/mini_app/video/61b1bd95440f58318553fb8add327f558e5508d778756.jpg");
  background-size: 100% 100%;  */
  /* position: relative; */
  
}
.last_pic{
}
.last_pic image{
  width: 100%;
  height: 100%;
  vertical-align: middle;
}
.last_pic .pic1{
  height: 74vh;
  margin-top: -1rpx;
}
.last_pic .pic2{
  margin-top: -1rpx;
  height:26vh;
  position: relative;
}
.last_btn{
  display: flex;
  justify-content: space-between;
  position: absolute;
  top: 10rpx;
  left: 176rpx;
}
.last_btn  .img image{
  width: 100%;
  height: 100%;
  vertical-align: middle;
}

.last_btn .img{
  width: 128rpx;
  height: 43rpx;
}
.maRight{
  margin-right: 12rpx;
}

.share_btn{
  border: 0 !important;
  height: 43rpx;
  line-height: 43rpx;
  padding: 0;
  vertical-align: middle;
}