.about_headImg{
    width: 100%;
    overflow: hidden;
    padding: 0;
}
 
.nav{
    width: 100%;
    height: 62px;
    display: flex;
    align-items: center;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #999999;
    border-bottom: 1px solid #EAEAEA;
    text-transform:uppercase;
}
.nav a{
    color: #999999;
    text-decoration:none;
    margin: 0 8px;
}
.nav a:hover{
    color: #333333;
}
.productsList{
    width: 100%;
    margin: 30px 0 37px 0;
    flex-direction: row;
    flex-wrap: wrap;
}


.productsList{
    display: flex;
    flex-direction: row;
}
.productsList a{
    text-decoration: none;
    margin: 0 20px 22px 0
}
.classificationV{
    width: 275px;
    height: 320px;
    border: 1px solid #D3D3D3;
    overflow: hidden;
}
.classification>a{
    text-decoration: none;
}
.classification-img{
    width: 275px;
    height: 275px;
    position: relative;
    z-index: 11;
}
.classification-img img{
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 10;
}
.classification-title{
    width: 277px;
    height: 45px;
    border-top: 1px solid #D3D3D3;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #666666;
    line-height: 20px;
}

.ClassShadow{
    width: 275px;
    height: 275px;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    position: absolute;
    z-index: 1110;
}
.ClassShadow>div{
    display: flex;
    justify-content: center;
    padding: 13px 22px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 14px;
    border: 1px solid #FFFFFF;
}