.vertical-content{
  display: flex;
  padding: 12px 16px;
  position: relative;
  min-height: 500px;
}

.vertical-content .left{
  width: 302px;
  margin-right: 22px;
  font-size: 18px;
  font-weight: 400;
  color: #858585;
  line-height: 18px;
  background: #F6F6F6;
}

.vertical-content .left .selected{
  background: #437EE9;
  color: #fff;
  transition: all 0.3s;
}

.vertical-content .left .selected::after{
  content: '';
  display: block;
  position: absolute;
  right: -35px;
  top: 11px;
  border: 18px solid transparent;
  border-left: 18px solid #437EE9;
}

.vertical-content .left span{
  display: block;
  height: 57px;
  position: relative;
  padding-left: 15px;
  line-height: 57px;
  border-bottom: 1px solid #E6E6E6;
}

.vertical-content .right{
  flex:1;
  border: 1px solid #C1C1C1;
  /* max-height: 800px; */
  overflow: auto;
  position: sticky;
  top: 0;
}

.vertical-content .right .right-content-item{
  display: none;
}

.content-details-padding{
  padding: 40px 32px;
}

.content-details-content{
  font-size: 16px;
 /* font-family: PingFangSC-Regular, PingFang SC; */
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  text-indent: 2em;
  box-sizing: border-box;
}

.content-details-content-article{
  box-sizing: border-box;
  padding: 0 32px;
}

.content-details-content-article .title{
  font-size: 35px;
  font-weight: 600;
  color: #333333;
  line-height: 49px;
  margin-top: 29px;
  text-align: center;
}

.content-details-content-article .details{
  margin-top: 28px;
  font-size: 20px;
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  text-indent: 2em;
}