.content{
    width: 1200px;
    padding-top: 65px;
    margin: 0 auto;
}
.pic_ul {
    width: 1124px;
    margin: 0 auto;
}
.pic_ul li{
    float: left;
    width: 550px;
}
.pic_ul li span{
    display: block;
    width: 550px;
    height: 395px;
    overflow: hidden;
}
.pic_ul li span>img{
    width: 550px;
    height: 395px;
    transition: 0.5s;
}
.pic_ul li p{
    text-align: center;
    font-size: 14px;
    margin-top: 24px;
    margin-bottom: 32px;
}
.pic_ul li:nth-child(odd){
    margin-right: 20px;
}
.pic_ul li span>img:hover{
    transform: scale(1.1);
}