@media screen and (max-width:1900px){
    .header-nav > div {
        display: flex;
        justify-content: center;
        width: 100%;
    }
    .header-nav > div ul {
        width: auto;
    }
    .header-nav > div ul li .header-position {
        /*width: 184px;*/
    }
}

@media screen and (max-width:1780px){
    .header-nav > div ul li > a {
        padding: 0 40px;
    }
    .header-nav {
        height: 60px;
    }
}

@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){
    .footer .footer-box {
        width: 80%;
    }
    .header-login {
        width: 80%;
    }
}

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

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

}

@media screen and (max-width:1200px){
    .header-nav > div ul li > a {
        padding: 0 20px;
    }
    .header-nav > div ul li .header-position {
        width: 184px;
    }
}

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

}

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

}

@media screen and (max-width:1024px){
    .header-nav > div ul li .header-position {
        width: 164px;
    }
    .footer .footer-box {
        width: 95%;
    }
    .header-login {
        width: 95%;
    }
    .header-nav {
        height: 50px;
    }
    .header-nav > div ul li > a {
        padding: 0 10px;
    }
}

@media screen and (max-width:990px){
    .header-login .phone{
        display: flex;
    }
    .header-login > form {
        display: none;
        position: absolute;
        top: 110%;
        left: 50%;
        z-index: 99;
        transform: translateX(-50%);
    }
      .header-nav{
        display: none;
    }
    .header-login {
        position: relative;
        width: 100%;
        padding: 0 20px;
        box-sizing:border-box;
        z-index: 999;
        background-color: #ffffff;
    }

}

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

}
@media screen and (max-width:920px){

}
@media screen and (max-width:900px){
    .header-login .phone-nav > ul > li:nth-child(n+2) a .nav-xiala{
        width: 100%;
        justify-content: flex-end;
        padding-right: 15px;
        box-sizing:border-box;
    }
}

@media screen and (max-width:870px){
}

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

}

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

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

@media screen and (max-width:640px){
    .header-login .phone-nav {
        width: 100%;
    }
    .header-login {
        width: 100%;
        padding: 0 10px;
        box-sizing:border-box;
    }
    .footer .footer-box{
        display: none;
    }
    .footer .footer-phone {
        display: block;
    }
    .footer .footer-aq-phone {
        display: block;
        padding: 15px 0;
    }
    .footer {
        padding-top: 50px;
    }
}

@media screen and (max-width:486px){
    .footer .footer-box{
        display: none;
    }
    .header-login .nav-index{
        width: 50%;
    }
    .header-login .phone .sousuo {
        width: 25px;
    }
    .header-login {
        height: 60px;
    }
    .header-login .phone .phone-media {
        width: 30px;
        height: 20px;
    }
    .header-login .phone .phone-media .media-one {
        width: 30px;
    }
    .header-login .phone .phone-media .media-two{
        width: 30px;
    }
    .header-login .phone .phone-media .media-three {
        width: 30px;
    }
    .header-login .phone .sousuo {
        margin-right: 30px;
    }
    .footer {
        margin-top: 20px;
    }
    .header-login .phone-nav > ul > li:nth-child(n+2) a .nav-xiala{
        width: 100%;
        justify-content: flex-end;
        padding-right: 15px;
        box-sizing:border-box;
    }
    .twoNav-box {
        height: 50px;
    }
}

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

}

@media screen and (max-width:340px){
    .header-login > form {
        width: 280px;
    }
}