.banner{
    height: 390px;
    background: url(../images/banner/data.png) no-repeat top center;
    background-size: cover;
}
.banner h1,.banner p{
    width: 1200px;
    margin: 0 auto;
    color: #fff;
    font-size: 16px;
}
.banner h1{
    padding-top: 150px;
    font-size: 40px;
    margin-bottom: 22px;
}
.common_title{
    font-size: 24px;
    color: #3171FF;
}
.common_title::after,.common_title::before{
    height: 12px;
    background-color: #3171FF;
}
.data_01{
    padding-bottom: 80px;
    margin-top: 65px;
}
.data_con{
    width: 1200px;
    margin: 20px auto;
}
.data_con_li{
    width: 585px;
    height: 370px;
    margin-top: 30px;
    float: left;
    cursor: pointer;
}
.data_con_li:nth-child(2n){
    float: right;
}
.data_con_li img{
    display: block;
    height: 240px;
    width: 100%;
}
.data_con_li h3{
    font-size: 16px;
    margin-top: 20px;
    padding: 0 30px;
}
.data_con_li p{
    color: #999;
    margin-top: 10px;
    padding: 0 30px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    overflow : hidden;
}
.data_con_li:hover{
    box-shadow:0px 0px 10px 2px rgba(0,0,0,0.1);
}


@media screen and (min-width: 1920px) {
    .banner{
        background: url(../images/banner/data.png) no-repeat center center;
        background-size: cover;
    }
}

@media screen and (max-width:980px){
    .banner{
        height: 190px;
    }
    .banner h1{
        font-size: 20px;
        padding-top: 80px;
        width: 100%;
        padding-left: 20px;
        margin: 0;
    }
    .banner p{
        font-size: 12px;
        width: 100%;
        padding: 8px 30px 0 20px;
    }
    .data_01{
        padding-bottom: 0;
    }
    .data_con {
        width: 100%;
    }
    .data_con_li{
        width: 100%;
    }
}