.banner{
    width: 100%;
    height: auto;
}
.banner img{
    width: 100%;
    height: 100%;
} 
h2{
    width: 100%;
    font-size: 20px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #4A4A4A;
    line-height: 48px;
    text-align: center;
    position: relative;
}
h2::after{
    content: "";
    display: block;
    width: 33px;
    height: 3px;
    background: #DFDFDF;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}
h2 span{
    color: #4759D5;
}
.Subhead{
    width: 100%;
    text-align: center;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #535353;
    line-height: 48px;
}
.content{
    width: 1240px;
    margin: 0 auto;
    padding-top: 50px;
}
.net_work{
    padding-top: 30px;
}
.net_work a{
    display: block;
    width: 270px;
    height: 309px;
    background: #FFFFFF;
    border: 1px solid #F1F1F1;
    border-radius: 8px;
    float: left;
    box-sizing: border-box;
    margin: 0 20px;
}
.net_work img{
    width: 100%;
    height: 100%;
    -webkit-border-top-left-radius: 8px;
    -webkit-border-top-right-radius: 8px;
}
.net_work a:hover{
    box-shadow: 0px 2px 10px 0px rgba(0, 0, 0, 0.1);
}
.net_work a .net_work_b{
    padding: 16px;
    box-sizing: border-box;
}
.net_work_b .title{
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #3A3A3A;
    line-height: 28px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
.net_work_b .time{
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #A9ABAD;
    line-height: 28px;
}
 
.footer{
    width: 100%;
    height: 80px;
    background: #4658D4;
    line-height: 80px;
    font-size: 20px;
    color: #fff;
    text-align: center;
    margin-top: 70px;
}
.pag_box{
    width: 100%; padding-top: 80px;
}