* {
    margin: 0;
    padding: 0;
}

.clear {
    clear: both;
}

body {
    font-family: "Microsoft Yahei", "微软雅黑", "SimSun", "宋体", "Verdana", "Arial";
}

a {
    text-decoration: none;
}

.banner img {
    width: 100%;
}
.platform-wrap{
    width:100%;
    /*height:467px;*/
    background:#fff;
}
.platform-wrap .platform{
    width:1200px;
    margin:76px auto 83px;
}
.platform-wrap .platform .platform-title{
    font-size:30px;
    margin:0px auto  63px;
    text-align: center;
}
.platform-wrap .platform .platform-list{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.platform-wrap .platform .platform-list .platform-item{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.platform-wrap .platform .platform-list .platform-item .tip{
    margin:17px 0 15px;
    font-size: 20px;
}
.platform-wrap .platform .platform-list .platform-item .desc{
    width:253px;
    font-size: 16px;
    color:#959595;
    text-align: center;
    line-height: 28px;
}
.solution-wrap{
    width: 100%;
    background:#fafafa;
}

.solution-wrap .solution{
    width:1200px;
    padding:76px 0 20px;
    margin:0 auto;
}
.solution-wrap .solution .solution-title{
    font-size:30px;
    margin:0px auto  50px;
    text-align: center;
}
.product-wrap{
    width:100%;
    background: #f5f6f9;
}
.product-wrap .product{
    width:1200px;
    margin:0 auto;
    display:flex;
    justify-content: space-between;
    padding:100px 0;
}
.product-wrap .product .prod-txt{
    margin-right:50px;
    margin-top:240px;
}
.product-wrap .product .prod-img img{
    width: 580px;
}
.product-wrap .product .prod-txt .title{
    font-size:30px;
    margin-bottom:27px;
}
.product-wrap .product .prod-txt .desc{
    font-size: 16px;
    color:#666666;
    line-height: 30px;
}
.sale-wrap{
    width: 100%;
    background: white;
}
.sale-wrap .sale{
    width:1200px;
    margin:0 auto;
    display:flex;
    justify-content: space-between;
    padding:100px 0;
}
.sale-wrap .sale .sale-txt{
    /*margin-left:50px;*/
    margin-top:240px;
}
.sale-wrap .sale .sale-img img{
    width: 580px;
}
.sale-wrap .sale .sale-txt .title{
    font-size:30px;
    margin-bottom:27px;
}
.sale-wrap .sale .sale-txt .desc{
    font-size: 16px;
    color:#666666;
    line-height: 30px;
}

.edu-wrap{
    width:100%;
    /*height:467px;*/
    background:#fff;
}
.edu-wrap .edu{
    width:1200px;
    margin:82px auto 90px;
}
.edu-wrap .edu .edu-title{
    font-size:30px;
    margin:0px auto  63px;
    text-align: center;
}
.edu-wrap .edu .edu-list{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.edu-wrap .edu .edu-list .edu-item{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.edu-wrap .edu .edu-list .edu-item>span{
    font-size: 16px;
    color:#333;
    margin-top:20px;
}
.edu-wrap .edu .btn-wrap{
    margin:50px auto 0;
    text-align: center;
}
.edu-wrap .edu .btn-wrap .free{
    width:220px;
    height: 66px;
    background:-webkit-linear-gradient(left, #ffa000, #ffbb0d);
    display: inline-block;
    border-radius:40px;
    font-size:26px;
    line-height:66px;
    text-align: center;
    color:#fff;
    margin-right:30px
}
.edu-wrap .edu .btn-wrap .detail{
    width:220px;
    height: 66px;
    background: -webkit-linear-gradient(left, #4188f3, #69a4fc);
    display: inline-block;
    border-radius:40px;
    font-size:26px;
    line-height:66px;
    text-align: center;
    color:#fff;
}



.tool-wrap{
    width:100%;
    background: #f5f6f9;
}
.tool-wrap .tool{
    width:1200px;
    margin:0 auto;
    padding:80px 0;
}
.tool-wrap .tool .tool-title{
    font-size:30px;
    margin:0px auto  58px;
    text-align: center;
}

.tool-wrap .tool-con{
    display:flex;
    justify-content: space-between;
}

.tool-wrap .tool .tool-list{
    margin-right:50px;
    /*margin-top:240px;*/
    display: flex;
    justify-content: center;
    flex-direction: column;
}
.tool-wrap .tool .tool-list .tool-item{
    width:550px;
    height:100px;
    display: flex;
    /*margin-top:20px;*/
    /*justify-content: center;*/
    align-items: center;
    align-content: center;
}
.tool-wrap .tool .tool-list .tool-item-wrap:hover .tool-item{
    background: url("/cs/v2//images/knowledge/j.png") no-repeat ;

}
.tool-wrap .tool .tool-list .tool-item-wrap:hover{
    background:#fff;

}
.tool-wrap .tool .tool-list .tool-item .num{
    font-size:60px;
    color:#d5d5d5;
    margin:0px 20px 0 35px;
}
.tool-wrap .tool .tool-list .tool-item .txt .title{
    font-size:24px;
    color:#333333;
    margin-bottom:15px;
}

.tool-wrap .tool .tool-img{

}
.tool-wrap .tool .tool-img img{
    /*width: 580px;*/
}

.learn-wrap{
    width:100%;
    /*height:467px;*/
    background:#fff;
}
.learn-wrap .learn{
    width:1200px;
    margin:82px auto 80px;
}
.learn-wrap .learn .learn-title{
    font-size:30px;
    margin:0px auto  52px;
    text-align: center;
}
.learn-wrap .learn .learn-list{
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}
.learn-wrap .learn .learn-list .learn-item:nth-child(1){
    background:rgba(240,130,119,1);
}
.learn-wrap .learn .learn-list .learn-item:nth-child(2){
    background:#978ED9;

}
.learn-wrap .learn .learn-list .learn-item:nth-child(3){
    background:#00A8FF;

}
.learn-wrap .learn .learn-list .learn-item:nth-child(4){
    background:#46B8CD;

}
.learn-wrap .learn .learn-list .learn-item{
    width:280px;
    height:360px;
    border-radius:60px;
    position:relative;
    overflow: hidden;
    margin:0 auto;
    text-align: center;
}

.learn-wrap .learn .learn-list .learn-item .bottom-circle{
    width:280px;
    height:280px;
    border-radius:50%;
    position: absolute;
    bottom:-50%;
    left:0;
}
.learn-wrap .learn .learn-list .learn-item:nth-child(1)  .bottom-circle{
   background:rgba(240,130,119,1);
}
.learn-wrap .learn .learn-list .learn-item:nth-child(2)  .bottom-circle{
    background:#978ED9;

}
.learn-wrap .learn .learn-list .learn-item:nth-child(3)  .bottom-circle{
    background:#00A8FF;
}
.learn-wrap .learn .learn-list .learn-item:nth-child(4)  .bottom-circle{
    background:#46B8CD;

}
.learn-wrap .learn .learn-list .learn-item .bottom-txt{
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 5px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size:20px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(255,255,255,1);
}
.learn-wrap .learn .learn-list .learn-item:hover{
    cursor:pointer;
}
.learn-wrap .learn .learn-list .learn-item .pop{
    position:absolute;
    width:100%;
    height:100%;
    top:100%;
    left:0;
    transition: .4s;
}
.learn-wrap .learn .learn-list .learn-item:hover .pop{
    top:0;
    transition: .4s;
    margin: 0 auto;
}
.learn-wrap .learn .learn-list .learn-item:nth-child(1)  .pop{
    background:rgba(240,130,119,1);
}
.learn-wrap .learn .learn-list .learn-item:nth-child(2)  .pop{
    background:#978ED9;

}
.learn-wrap .learn .learn-list .learn-item:nth-child(3)  .pop{
    background:#00A8FF;
}
.learn-wrap .learn .learn-list .learn-item:nth-child(4)  .pop{
    background:#46B8CD;

}
.learn-wrap .learn .learn-list .learn-item:hover .pop .tip{
    margin-top:77px;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size:20px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(255,255,255,1);
}
.learn-wrap .learn .learn-list .learn-item:hover .pop .desc{
    font-size:16px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(255,255,255,1);
    line-height:24px;
    /*margin-top:27px;*/
    margin: 22px auto 0;
    width: 157px;
    text-align: left;
}