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

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


}

@media screen and (max-width:1477px){

}

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


}

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

@media screen and (max-width:1366px){
    .er-nav-box .er-nav{
        width: 80%;
    }
    .znbm-content{
        width: 80%;
    }
}

@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){
    .er-nav-box .er-nav{
        width: 95%;
    }
    .znbm-content{
        width: 95%;
    }
}

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

}

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

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

}

@media screen and (max-width:825px){
    .er-nav-box .er-nav{
        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){
}

@media screen and (max-width:486px){
    .znbm-content .znbm-content-bt p {
        font-size: 14px;
    }
    .znbm-content .znbm-content-bt h1 {
        font-size: 20px;
    }
    .znbm-content .znbm-content-text {
        margin-top: 15px;
    }
    .znbm-content .znbm-content-text p {
        font-size: 14px;
    }
    .znbm-content .znbm-content-text img {
        margin: 10px auto 10px;
    }
    .er-nav-box {
        height: 45px;
    }
    .er-nav-box .er-nav .er-slide{
        line-height: 45px;
    }
    .znbm-content {
        margin: 20px auto 60px;
    }
}

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

}

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