.banner{
    width: 100%;
}
.content{
    width: 1200px;
    margin: 0 auto;
    padding-top: 82px;
    padding-bottom: 130px;
}
.content h2{
    font-size: 40px;
    text-align: center;
    margin-bottom: 80px;
}
.list li{
    position: relative;
    float: left;
    width: 25%;
    height: 160px;
    text-align: center;
    margin-bottom: 45px;
}
.list li img{
    margin-bottom: 10px;
    border-radius: 50%;
}
.list li img:hover{
    border: 10px solid #c9dffd;

}
.none{
    border: none!important;
}
.list li p{
    position: absolute;
    left: 50%;
    bottom: 0;
    color: #5d5c5d;
    font-size: 16px;
    transform: translate(-50%,0);
    
}