.problem{
  background-image: url(../images/problem.png);
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  text-align: center;
}
.problem .problem-title{
  font-size: 28px;
  color: white;
  /*font-weight: 600;*/
  height: 40px;
  line-height: 40px;
}
.problem .problem-desc-line{
  background-color: white;
  width: 32px;
  height: 3px;
  border-radius: 2px;
  display: inline-block;
  margin-top: 16px;
}
.problem .problem-item-wrapper{
  margin-top: 80px;
}
.problem .problem-item{
  display: inline-block;
  color: white;
  position: relative;
  padding-left: 32px;
  padding-right: calc(32px + 120px);
}
.problem .problem-item:after{
  content: '';
  display: inline-block;
  width: 120px;
  height: 1px;
  background: linear-gradient(270deg, rgba(255, 255, 255, 0) 0%, #FFFFFF 49%, rgba(255, 255, 255, 0) 100%);
  position: absolute;
  right: 0;
  top: 83px;
}
.problem .problem-item:last-child{
  padding-right: 0;
}
.problem .problem-item:last-child:after{
  display: none;
}
.problem .problem-item-title{
  font-size: 20px;
  height: 28px;
  line-height: 28px;
  margin-top: 20px;
  margin-bottom: 16px;
}
.problem .problem-item-desc > div{
  font-size: 14px;
  height: 20px;
  line-height: 20px;
  margin-bottom: 8px;
}
.problem .problem-item-desc > div:last-child{
  margin-bottom: 0;
}
.problem .problem-item-desc > div:before{
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  background-color: white;
  margin-right: 4px;
  vertical-align: middle;
  margin-top: -3px;
}
.problem .problem-btn{
  width: 168px;
  height: 48px;
  line-height: 48px;
  background-color: white;
  color: #25B864;
  border-radius: 4px;
  display: inline-block;
  margin-top: 80px;
  font-size: 20px;
  cursor: pointer;
}