body{
    margin: 0;
    width: 100%;
    height: 100%;
    overflow: scroll;
}
.top{
    width: 100%;
    height: 400px;
    background-image: url('../images/page-banner.png'); /* 背景图片的路径 */
    background-size: cover; /* 背景图片覆盖整个div，保持宽高比 */
    background-position: center;
}
.top-title{
    position: relative;
    text-align: center;
    padding-top: 100px;
}
.top-title img{
    height: 280px;
}
.content{
    width: 1400px;
    height: auto;
    margin: auto;
    padding-bottom: 60px;
}
.content-menu{
    padding: 18px 0;
    box-sizing: border-box;
    margin-bottom: 20px;
}
.content-scheme{
    width: 1400px;
    display: flex;
}
.scheme-left{
    width: 220px;
    border-right: 1px solid #e3e3e3;
}
.menu-title-div{
    text-align: center;
    margin: 0 20px;
    padding-bottom: 20px;
    box-sizing: border-box;
    border-bottom: 1px solid #e3e3e3;
}
.menu-title{
    font-weight: 600;
    font-size: 30px;
    color: #000;
}
.menu-tree{
    padding-top: 10px;
    padding-left: 16px;
    box-sizing: border-box;
}
.menu-item{
    height: 40px;
    width: 220px;
    margin-top: 10px;
    padding-left: 20px;
    box-sizing: border-box;
    line-height: 40px;
}
.menu-item img{
    width: 16px;
    height: 20px;
    vertical-align: middle;
    margin-right: 10px;
}
.active{
    background-color: #F6F6F6;
    border-right: 2px solid #DDB031;
}
.active span{
    color: #DDB031;
}
.scheme-right{
    width: 1178px;
    padding: 0 80px;
    box-sizing: border-box;
}
.right-title{
    width: 1080px;
    text-align: center;
}
.right-item{
    position: relative;
    width: 1080px;
    border-top: 1px solid #CDCDCD;
    border-bottom: 1px solid #CDCDCD;
    padding: 30px 0;
    margin: 30px 0;
    display: flex;
}
.right-item-title{
    position: absolute;
    top: -14px;
    left: 368px;
    text-align: center;
    height: 20px;
    width: 416px;
    line-height: 20px;
    margin: auto;
    background-color: #fff;
}
.right-item-title .round{
    font-size: 6px;
    color: #CDCDCD;
}
.right-item-title .title{
    color: #000;
    font-weight: 500;
    font-size: 14px;
    margin: 0 30px;
}
.right-item-left{
    width: 420px;
    margin-top: 20px;
}
.right-item-left video{
    width: 360px;
    height: 250px;
}
.right-item-right{
    width: 860px;
    margin-top: 20px;
    padding-left: 30px;
    box-sizing: border-box;
}
.right-item-2{
    width: 1080px;
    border-bottom: 1px solid #CDCDCD;
    padding-bottom: 30px;
    margin: 30px 0;
    display: flex;
}
.item-2{
    width: 270px;
    height: 265px;
    background-color: #EDEDED;
    box-sizing: border-box;
    position: relative;
}
.item-2 img{
    width: 100px;
    height: 100px;
    position: absolute;
    top: 80px;
    left: 15px;
}
.item-2 div{
    position: absolute;
    top: 92px;
    left: 140px;
    padding-right: 15px;
    line-height: 36px;
}
.item-2-div{
    top:70px !important;
    line-height: 26px !important;
}
.border-left{
    border-left: 1px solid #D9D9D9;
}
.right-title img{
    width: 680px;
    height: 380px;
    margin-top: 10px;
}

.close{
    display: none;
}
.right-content{
    width: 1080px;
    border-top: 1px solid #cdcdcd;
    padding: 20px;
    box-sizing: border-box;
    margin-top: 30px;
}
.machine-list{
    width: 1080px;
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 30px;
}
.machine-list div{
    width: 300px;
    margin-right: 30px;
    text-align: center;
    margin-top: 30px;
}
.machine-list img{
    width: 300px;
    height: 180px;
    margin-bottom: 10px;
}

.right-item-3{
    width: 1080px;
    padding-bottom: 30px;
    margin: 30px 0;
    display: flex;
    flex-wrap: wrap;
}
.item-3-left{
    width: 370px;
    margin-right: 40px;
}
.left-item{
    width: 370px;
    height: 100px;
    margin-bottom: 30px;
    border: 1px solid #E5E5E5;
    display: flex;
    padding: 15px;
    box-sizing: border-box;
}
.left-item img{
    width: 70px;
    height: 70px;
}
.left-item div{
    padding: 10px;
    box-sizing: border-box;
}
.item-3-right{
    width: 700px;
    height: 365px;
    border: 1px solid #E5E5E5;
    padding: 25px 30px;
    box-sizing: border-box;
}
.item-3-right img{
    width: 640px;
    height: 315px;
}
.item-3-div{
    width: 170px;
    height: 320px;
    margin-bottom: 10px;
    margin-right: 70px;
    text-align: center;
}
.certificate img{
    width: 160px !important;
    height: 217px;
    margin-bottom: 10px;
    border: 1px solid #e3e3e3;
}