.gas-detector .one{
    background: url(../../images/product-details/gas-detector/bg12.png) center no-repeat;
    background-size: cover
}
.gas-detector .two{
    background: url(../../images/product-details/gas-detector/bg22.png) center no-repeat;
    background-size: cover;
    z-index: 10;
}
.gas-detector .three{
    background: url(../../images/product-details/gas-detector/bg32.png) center no-repeat;
    background-size: cover
}
.gas-detector .four{
    background: url(../../images/product-details/gas-detector/bg42.png) center no-repeat;
    background-size: cover
}
.gas-detector .five{
    background: url(../../images/product-details/gas-detector/bg52.png) center no-repeat;
    background-size: cover
}
.gas-detector .six{
    background: url(../../images/product-details/gas-detector/bg62.png) center no-repeat;
    background-size: cover
}
.gas-detector .seven{
    background: url(../../images/product-details/gas-detector/bg72.png) center no-repeat;
    background-size: cover
}
.gas-detector .eight{
    background: url(../../images/product-details/gas-detector/bg82.png) center no-repeat;
    background-size: cover
}
.gas-detector .two .top-center{
    position: absolute;
    top: 1.2rem;
    right: 0;
    left: 0;
}

.gas-detector .four .top-center{
    position: absolute;
    top: 0.2rem;
    right: 0;
    left: 0;
    color: #666666!important;
}
.gas-detector .five .top-center{
    position: absolute;
    top: 0.8rem;
    right: 0;
    left: 0;
}
.gas-detector .six .left-bottom{
    position: absolute;
    bottom: 1.2rem;
    left: 1rem;
    color: #777777!important;
}
.gas-detector .seven .left-top{
    position: absolute;
    top: 1.2rem;
    left: 1.5rem;
    color: #5C605C!important;
}
.gas-detector .eight .top-center{
    position: absolute;
    top: 0.2rem;
    right: 0;
    left: 0;
    color: #777777!important;
}
.gas-detector .product-parameters-img{
    padding: 0.5rem;
    border-bottom: 1px solid #B2B2B2;
    margin-bottom: 0.5rem;
}
.gas-detector .product-parameters-img h5{
    margin-bottom: 0.5rem;
}
.gas-detector .product-parameters-img img{
    margin: auto;
}
/*产品认证*/
.gas-detector .certification-info{
    display: inline-block;
}
.gas-detector .certification{
    position: absolute;
    bottom: 1rem;
    left: 2rem;
}