.li-float{
  >li{
    width: 490px;
    padding-left: 28px;
    //padding-right: 28px;
    float: left;
  }
}
.ad-pad{
  padding-left: 24px;
  padding-right: 30px;
  li:last-child{
    >i{
      display: none;
    }

  }
}
.ul-padding{
  padding: 0 30px;
}
.head-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 340px;
  height: 340px;
  transform: translate(-50%, -50%)
}

.connecting {
  >div span {
    color: #fff;
  }
}