.first_img{
    width: 100%;
    height: 470px;
    position: relative;
}
.first_img img{
    width: 100%;
    height: 100%;
}
.first_des{
    width: 40%;
    position: absolute;
    left: 14%;
    top: 68px;
    font-family: 'Microsoft YaHei';
    font-style: normal;
    color: #333333;
    font-weight: 400;
    animation: 2s linear 0s normal enter;
}
@keyframes enter {
    /* 此时文字位于页面的最底部 
       文字被缩放为原本的0.1倍    
       文字为全透明状态
    */   
    0% {
        opacity: 0;
        transform: scale3d(0.1, 0.1, 0.1) translate3d(-180px,0, 0);
        animation-timing-function: linear;
    }
    /* 此时文字位于页面居中位置上方60px的位置 
       文字被缩放为原本的0.75倍    
       文字为半透明状态
    */  
    50% {
        opacity: .5;
        transform: scale3d(0.75, 0.75, 0.75) translate3d(-60px, 0, 0);
        animation-timing-function: linear;
    }
    /* 此时文字回归到正常位置 
       文字未被缩放   
       文字完全可见
    */ 
    100% {
        opacity: 1;
        transform: scale3d(1, 1, 1) translate3d(0, 0, 0);
        animation-timing-function: linear;
    }
}
.des_title{
    font-size: 2vw;
    line-height: 3.59vw;
    letter-spacing: 0.045em;
}
.des_article{
    font-family: Microsoft YaHei;
    font-weight: 400;
    height: 148px;
    /*max-height: 7.7vw;*/
    overflow: hidden;
    text-overflow:ellipsis;
    display: -webkit-box;
    -webkit-line-clamp:8;
    -webkit-box-orient: vertical ;
    font-size: 1vw;
    line-height: 37px;
}
.download {
    width: 17%;
    background: #0074C5;
    border-radius: 2px;
    font-size: 16px;
    line-height: 28px;
    letter-spacing: 0.045em;
    color: #FFFFFF;
    text-align: center;
    margin-top: 38px;
}
/* 产品功能 */
.cpgn{
    width: 100%;
    margin-top: 50px;
}
.title {
font-family: 'PingFang SC';
font-style: normal;
font-weight: 700;
font-size: 28px;
line-height: 39px;
text-align: center;
color: #333333; 
}
.cpgn_main{
width: 74%;
height: 255px;
box-sizing: border-box;
margin: 0 auto;
margin-top: 50px;
display: flex;
justify-content: space-between;
}
.cpgn_main li{
/*width: 16.8%;*/
flex:1;
height: 100%;
background: linear-gradient(180deg, #F3FAFF 0%, #FFFFFF 100%);
border: 2px solid #FFFFFF;
box-shadow: 8px 6px 15px rgba(222, 229, 238, 0.8);
border-radius: 4px;
box-sizing: border-box;
padding-left: 20px;
padding-top: 30px;
font-family: 'PingFang SC';
font-style: normal;
font-weight: 400;
font-size: 16px;
line-height: 22px;
color: #333333;
}
.cpgn_main div{
margin-top:25px;
box-sizing: border-box;
overflow: hidden;
text-overflow:ellipsis;
display: -webkit-box;
-webkit-line-clamp: 6;
-webkit-box-orient: vertical ;
font-weight: 400;
font-size: 12px;
line-height: 21px;
}
.cpgn_main .active{
/*width: 27.3%;*/
flex:2;
background: url('../images/cpgn.png'),linear-gradient(118.75deg, #56B2F1 13.34%, #0074C5 113.83%);
background-repeat: no-repeat;
background-position: right bottom;
color:#FFFFFF;
}
/* 产品特点 */
.cptd{
width: 100%;
/*height: 288px;*/
margin-top:50px;
/*padding-top: 50px;*/
padding: 50px 0px;
background: #F5F7FA;
box-sizing: border-box;
}
.cptd_main{
width: 74%;
margin:0 auto;
display: flex;
justify-content: space-between;
margin-top: 50px;
flex-wrap: wrap;
}
.cptd_main li {
padding: 0px 12px;
box-sizing: border-box;
border-left: 3px solid #0074C5;
width: 30%;
font-family: 'PingFang SC';
font-style: normal;
margin-bottom: 15px;
}
.cptd_main p{
font-weight: 700;
font-size: 16px;
line-height: 22px;    
color: #0074C5;
}
.cptd_main div {
font-weight: 400;
font-size: 12px;
line-height: 21px;    
color: #333333;
/*overflow: hidden;*/
margin-top:15px;
/*text-overflow:ellipsis;*/
/*display: -webkit-box;*/
/*-webkit-line-clamp: 2;*/
/*-webkit-box-orient: vertical ;*/
}
/* 客户价值 */
.khjz{
width: 100%;
margin-top:50px;
}
.khjz_main{
width: 55.8%;
box-sizing: border-box;
padding: 23px 3.7%;
margin:0 auto;
margin-top:50px;
border: 2px solid #FFFFFF;
box-shadow: -8px -11px 18px -6px rgba(255, 255, 255, 0.8), 10px 3px 16px 2px rgba(202, 223, 249, 0.62);
border-radius: 4px;
font-family: 'PingFang SC';
font-style: normal;
font-weight: 400;
font-size: 14px;
line-height: 32px;
color: #333333;
}
/* 产品推荐 */
.cptj{
margin-top: 70px;
margin-bottom: 20px;
width: 100%;
height: 187px;
background: url('../image/cptj.png'),#3666b6;
background-size: 100% 100%;
mix-blend-mode: normal;
font-family: 'PingFang SC';
font-style: normal;
font-weight: 400;
color: #FFFFFF;
}
.cptj_main{
width: 74%;
height: 100%;
box-sizing: border-box;
margin: 0 auto;
padding-top: 32px;
}
.cptj_title {
font-size: 20px;
line-height: 28px;
}
.cptj_list{
display: flex;
/* justify-content: space-between; */
flex-wrap: wrap;
margin-top: 23px;
}
.cptj_list li{
width: 30%;
font-size: 14px;
line-height: 20px;
margin-bottom: 15px;
overflow: hidden;
text-overflow:ellipsis;
white-space: nowrap;
}