.helpcenter-content{
  background: #f7f7f7;
} 
.helpcenter-box{
  width: 1200px;
  margin: auto;
  height: auto;
  padding-bottom: 50px;
}
.helpcenter-title{
  text-align: center;
  font-size: 30px;
  color:#222;
  letter-spacing: 5px;
  padding: 120px 0 50px 0;
}
.helpcenter-title > span{
  color:#04c4b7;
  font-size: 40px;
  padding: 0 10px;
}
.helpcenter-ul{
  width: 1120px;
  padding: 40px;
  background: #fff;
}
.helpcenter-li{
  border-bottom: 1px dashed #ddd;
}
.helpcenter-li-title{
  font-size: 16px;
  font-weight: bold;
  padding: 20px 0;
  cursor: default;
  color: #13aba1;
  cursor: pointer;
}
.helpcenter-li-title:hover{
  color: #0c9087;
}
.helpcenter-li-p{
  font-size: 14px;
  color:#767676;
  padding:0 0 20px 0;
  line-height: 24px;
  display: none;
}