.selling_fl{
    width: 50%;
    overflow: hidden;
}
.selling_fl img{
    width: 100%;
    height: 100%;
}
.selling_con ul li{
    background: #f4f4f4;
}
.selling_con ul li:nth-child(2n){
    background: #fff;
}
.selling_con ul li:nth-child(2n) .selling_fr{
    padding: 3% 3% 3% 9%;
}
.selling_con ul li:nth-child(2n) .selling_fr::after{
    background: url(../images/clund_bac.png)no-repeat center;
    left: 18%;
}
.selling_fr{
    width: 50%;
    position: relative;
    overflow: hidden;
    padding: 3% 9% 3% 3%;
}
.selling_fr::after {
    position: absolute;
    top: 34px;
    left: 6%;
    background: url(../images/clund_bac2.png)no-repeat center;
    width: 188px;
    height: 153px;
    background-size: 100%;
    content: "";
    z-index: 0;
}

.selling_fr h2{
    font-size: 30px;
    color: #c90915;
    font-weight: bold;
    margin-bottom: 27px;
}
.selling_fr p{
    font-size: 16px;
    color: #383432;
    line-height: 29px;
}