.content{
    width: 7.1rem;
    margin: 0.2rem auto;
    padding-top: 0.3rem;
    padding-bottom: 0.6rem;
    border-top: 1px solid #d2d2d2;
}
.img_one{
    position: relative;
    width: 7.1rem;
    height: 3.42rem;
    margin-bottom: 0.1rem;
}
.img_one img:nth-child(1){
    width: 100%;
    height: 3.42rem;
}
.img_one img:nth-child(2){
    position: absolute;
    width: 2.44rem;
    left: 0.62rem;
    top: 0.8rem;
}
.img_ul li{
    float: left;
    width: 3.5rem;
    height: 1.82rem;
    position: relative;
    margin-bottom: 0.1rem;
}
.img_ul li img:nth-child(1){
    width: 3.5rem;
    height: 1.82rem;
}
.img_ul li img:nth-child(2){
    position: absolute;
    height: 0.51rem;
    left: 0.32rem;
    top: 0.35rem;
}
.img_ul li:nth-child(even){
    float: right;
}