.box2{background: #eeeeee;padding-bottom: 30px}
.service .list{background: white;margin-bottom: 20px}
.service .left{width: 40%;box-sizing: border-box;padding: 20px}
.service .right{width: 50%;box-sizing: border-box;padding: 50px}
.service .right .p2{font-size: 30px;font-weight: bold;position: relative}
.service .right .p2::before{
    content: '';
    width: 3px;
    height:30px;
    border-right: 5px solid darkred;
    position: absolute;
    left: -20px;
    top: 7px;
}