.solu ul{padding: 20px 0 35px 0;}
.solu li{float: left;width: 32%;margin-left: 2%;box-sizing: border-box;border: 1px solid #eaeaea;text-align: center;}
.solu li:first-child{margin-left: 0;}
.solu li span{display: block;height: 130px;line-height: 130px;}
.solu li b{display: block;font-size: 26px;}
.solu li div{font-size: 16px;padding: 20px 0 30px 0;}
.solu-title{font-size: 20px;}