@media screen and (max-width: 1280px) {
    .hd-auto {
        width: 98%;
    }
    .nav li {
        width: 12.5%;
    }
    .hd-auto .logo {
        width: 37%;
        padding-top: 0.1px;
    }
    .nav {
        width: 60%;
    }
    .hd-auto .logo img {
        width: 100%;
        display: inline-block;
    }

}
@media screen and (max-width: 1024px) {
   
}
@media screen and (max-width: 920px) {
    .hd-auto .logo img {
        width: 100%;
        display: inline-block;
        margin-top: 10px;
    }
    .nav li a {
        font-size: 14px;
    }
}
@media screen and (max-width: 820px) {
    
    .hd {
        background: none;
    }
    .lb{
        height: 350px;
    }
    .liston{
        width: 33px;
        height: auto;
        margin: 30px 10px 29px 0px;
    }
    .liston,.sjd-dh{
        display: block;
    }
    .hd-auto .logo {
        width: 300px;
    }
    .warp{
        position: relative;
    }
    .nav {
        display: block;
        position: absolute;
        left: -100%;
        top: 0;
        height: 100%;
        width: 100%;
        z-index: 9999999;
        background: #2d2d2d;
        transition: all 0.7s;
    }
    .nav li {
        width: 95%;
        height: 40px;
        line-height: 40px;
        text-align: left;
        padding-left: 5%;
        background: #2d2d2d !important;
    }
    .nav li.active {
        background: #444444 !important;
    }
    .sjd-dh{
        padding-left: 3%;
        height: 50px;
        line-height: 50px;
    }
    .sjd-dh p{
        font-size: 20px;
        font-weight: bold;
        color: #ffffff;
    }
    .sjd-dh img{
        width: 30px;
        height: auto;
        margin: 10px;
    }
    .left{
        left: 0 !important;
    }
}
@media screen and (max-width: 720px) {
    .lb{
        height: 300px;
    }
    
}
@media screen and (max-width: 600px) {
    .lb{
        height: 250px;
    }
}
@media screen and (max-width: 540px) {
    .lb{
        height: 220px;
    }
}
@media screen and (max-width:375px) {
    .lb{
        height: 180px;
    }
}
@media screen and (max-width: 360px) {
    .hd-auto .logo {
        width: 250px;
        margin-top: 8px;
    }
}