.bg{
    background: url(../img/privateCloud/banner.png) no-repeat center;
}

.sketch{
    height: 479px;
    overflow: hidden;
}
.sketch .head-title{
    margin-top: 50px;
}
.sketch .imgbox{
    margin-top: 67px;
}
.sketch .info{
    width: 600px;
    font-size: 16px;
    
    color: #575757;
    line-height: 28px;
    margin-top: 89px;
}

.detail{
    height: 560px;
    background: #F9F9F9;
    overflow: hidden;
}
.detail .head-title{
    margin-top: 50px;
    margin-bottom: 40px;
}
.detail .content{
    height: 353px;
    
    background: #FFFFFF;
    padding-left: 40px;
    padding-right: 20px;
    overflow: hidden;
}
.detail .imgbox{
    margin-top: 35px;
}
.detail .title{
    position: relative;
    font-size: 24px;
    color: #333333;
    margin-top: 43px;
}
.detail .title::before{
    content: url(../img/triangle_s.png);
    position: absolute;
    top: -7px;
    left: -23px;
}
.detail .info{
    width: 548px;
    font-size: 16px;
    color: #575757;
    line-height: 28px;
    margin-top: 25px;
}

.case{
    height: 600px;
    overflow: hidden;
}
.case .head-title{
    margin-top: 60px;
}
.case .imgbox{
    margin-top: 40px;
    margin-left: 62px;
}
.case .content{
    width: 590px;
    
}
.case .content .title{
    font-size: 24px;
    
    color: #FB3F3A;
    margin-top: 100px;
}
.case .content .info{
    font-size: 16px;
    color: #575757;
    line-height: 28px;
    margin-top: 34px;
}