.cewen{
    width: 100%;
    min-width: 1200px;
    overflow: hidden;
}
.cewen .big-banner img{
    width: 100%;
}
.cewen h4{
    font-size: 30px;
    margin-bottom: 40px;
    margin-top: 20px;
    text-align: center;
}
.cewen .section1{
    margin-top: 50px;
    margin-bottom: 30px;
    text-align: center;
}
.cewen .section1 ul{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.cewen .section1 ul li{
    width: 330px;
    margin-right: 50px;
    margin-bottom: 30px;
    cursor: pointer;
}
.cewen .section1 ul li:nth-child(3n){
    margin-right: 0;
}
.cewen .section1 ul li img{
    width: 100%;
}
.cewen .section1 ul li p{
    font-size: 16px;
    color: #333333;
}
.system-mask-noRoll{
    height: 100%;
    overflow: hidden;
}
.cewen .section1 ul li .system-img-mask{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 100;
    display: none;
}
.cewen .section1 ul li .system-img{
    width: 600px;
    margin: 5% auto;
}
.cewen .section1 ul li .system-img h4{
    color: #ffffff;
}
.cewen .section1 ul li .system-img img{
    max-width: 100%;
    min-width: 400px;
    max-height: 500px;
}

.cewen .product-wrap{
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 50px;
}
.cewen .product{
    box-sizing: border-box;
    width: 560px;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid #cccccc;
    border-radius: 10px;
    margin: 0 10px;
    margin-bottom: 20px;
    padding: 20px;
}
.cewen .product .detail{
    width: 500px;
}
.cewen .detail h5{
    font-size: 22px;
    line-height: 30px;
    font-weight: bolder;
    margin-bottom: 10px;
    color: #60c992;
}
.cewen .detail p{
    font-size: 14px;
    line-height: 30px;
    margin: 0;
    color: #999999;
}
.cewen .product .img-wrap{
    width: 180px;
    height: 260px;
}
.cewen .product .img-wrap img{
    max-width: 100%;
    max-height: 100%;
}
.cewen .topological{
    text-align: center;
    margin-bottom: 50px;
}