.bg{
    background: url(../img/sdWan/banner.png) no-repeat center;
}
.w100{
    width: 100px;
}
.sketch{
    height: 270px;
    overflow: hidden;
}
.sketch .head-title{
    margin: 50px 0 40px 0;
}
.sketch .info{
    font-size: 16px;
    
    color: #575757;
    line-height: 28px;
}

.framework{
    height: 300px;
    background: rgba(249, 249, 249, 0.8);
    overflow: hidden;
}
.framework .head-title{
    margin: 40px 0;
}
.framework .info{
    font-size: 16px;
    
    color: #575757;
    line-height: 28px;
}

.solve{
    height: 720px;
    margin-top: 50px;
    overflow: hidden;
}
.solve .info{
    font-size: 16px;
    
    color: #575757;
    line-height: 28px;
    margin-top: 40px;
}
.solve .tab .category{
    height: 50px;
    margin: 30px 0;
}
.solve .tab .category ul{
    width: 800px;
}
.solve .tab .category ul li{
    width: 400px;
}
.solve .tab .category ul li.active span{
    height: 50px;
}
.solve .tab .imgbox{
    width: 468px;
    height: 403px;
}
.solve .tab .tab-info{
    width: 600px;
    font-size: 16px;
    
    color: #575757;
    line-height: 28px;
    margin-left: 45px;
    margin-top: 144px;
}
.solve .tab .tab-info>p{
    margin-bottom: 15px;
}

.advantage{
    height: 500px;
    background: rgba(249, 249, 249, 0.7);
    overflow: hidden;
}
.advantage .head-title{
    margin: 60px 0;
}
.advantage .advantage-box .item{
    width: 520px;
    margin-bottom: 40px;
}
.advantage .advantage-box .item p.title{
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    margin-top: 10px;
}
.advantage .advantage-box .item .advantage-info{
    width: 380px;
    height: 100%;
    font-size: 16px;
    
    color: #575757;
    line-height: 28px;
}

.case{
    margin-bottom: 40px;
    overflow: hidden;
}
.case .head-title{
    margin: 50px 0;
}
.case .content{
    width: 570px;
    font-size: 16px;
    
    color: #575757;
    margin-top: 20px;
    line-height: 28px;
}
.case .content .info1{
    
    color: #FC6964;
}
.case .content .caseList li{
    line-height: 28px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.11);
}
.case .content .caseList li>span{
    display: inline-block;
    margin-left: 10px;
}
.case .content .caseList li::before{
    content: url(../img/circle.png);
    vertical-align: top;
}