@media screen and (max-width:1780px){
}

@media screen and (max-width:1680px){


}
@media screen and (max-width:1600px){
    .twoNav-box .twoNav {
        width: 95%;
    }
}
@media screen and (max-width:1477px){

}

@media screen and (max-width:1401px){


}

@media screen and (max-width:1380px){
}

@media screen and (max-width:1366px){
    .engineering-list{
        width: 80%;
    }
    .engineering-list ul li a div {
        height: 230px;
    }
    .twoNav-box .twoNav a {
        margin: 0 10px;
    }
}

@media screen and (max-width:1320px){
}

@media screen and (max-width:1280px){

}

@media screen and (max-width:1200px){

}

@media screen and (max-width:1180px){

}

@media screen and (max-width:1080px){

}

@media screen and (max-width:1024px){
    .engineering-list{
        width: 95%;
    }
    .engineering-list ul li a div {
        height: 205px;
    }
}

@media screen and (max-width:980px){

}

@media screen and (max-width:960px){
}

@media screen and (max-width:900px){
}

@media screen and (max-width:800px){
    .engineering-list ul li a div {
        height: 160px;
    }
    .engineering-list ul li {
        margin-bottom: 20px;
    }
    .twoNav-box .twoNav {
        display: flex;
        justify-content: flex-start;
    }
    .twoNav-box .twoNav {
        width: 100%;
    }
}

@media screen and (max-width:768px){

}

@media screen and (max-width:730px){
}

@media screen and (max-width:680px){
}

@media screen and (max-width:650px){
    .engineering-list ul {
        justify-content: space-between;
    }
    .engineering-list ul li {
        width: 48%;
        margin-right: 0;
    }
}

@media screen and (max-width:486px){
    .engineering-list .fenye {
        display: none;
    }
    .jiazai {
        display: flex;
    }
    .clickmore {
        display: flex;
    }
    .footer {
        margin-top: 0;
    }
    .engineering-list .fenye span {
        padding: 5px 10px;
        margin: 0 1px;
    }
    .engineering-list .fenye a {
        padding: 5px 10px;
        margin: 0 1px;
    }
    .engineering-list .fenye .all {
        display: none;
    }
    .engineering-list .fenye .pageindex {
        display: none;
    }
    .engineering-list ul {
        margin-top: 20px;
    }
    .engineering-list ul li a div {
        height: 120px;
    }
    .engineering-list ul li a h1 {
        margin-bottom: 5px;
        margin-top: 5px;
        font-size: 16px;
    }
    .engineering-list ul li a p {
        margin-top: 5px;
    }
    .engineering-list .product-list-top h1 {
        font-size: 25px;
    }
    .engineering-list ul li {
        margin-bottom: 10px;
    }
    .engineering-list .fenye {
        margin-top: 10px;
    }
    .engineering-list .product-list-top p {
        font-size: 25px;
    }
    .engineering-list {
        margin: 25px auto 0;
    }
    .banner-box {
        position: relative;
        height: 12.5rem;
        overflow: hidden;
    }
    .header-banner {
        position: absolute;
        top: 0;
        left: 50%;
        height: 100%;
        width: auto;
        transform: translateX(-50%);
    }
}

@media screen and (max-width:376px){

}

@media screen and (max-width:340px){
}