*{margin:0;padding:0;list-style: none;}
.header_img{
    width:1200px;
    margin:0 auto;
}
.header_img img{
    width:100%;
}
.main{
    width:1200px;
    margin:0 auto 30px;
}
.main_ul{
    display: flex;
    margin-top:40px;
}
.main_ul li{
    width:361px;
    height:350px;
    position: relative;
    margin-right:59px;
}
.main_ul li:last-child{
    margin-right:0;
}
.main_ul li img{
    width:100%;
}
.ul_font{
    width:330px;
    height:160px;
    background: #f5f5f5;
    position: absolute;
    left:16px;
    top:170px;
}
.ul_font b{
    width:272px;
    margin:0 auto;
    display: block;
    font-size: 20px;
    font-weight: 400;
    color: #343434;
    line-height: 26px;
    margin-top:23px;
}
.ul_font p{
    width:272px;
    margin:0 auto;
    font-size: 16px;
    font-weight: 400;
    color: #666666;
    line-height: 26px;
    margin-top:16px;
}
.ul_font span{
    position: absolute;
    right:28px;
    bottom:17px;
    font-size: 16px;
    color: #EA3C3C;
}