.header{
    width: 100%;
    height: 84px;
    position: relative;
    z-index: 100
}
.links{
    width: 1200px;
    margin: 0 auto;
}
.links .logo{
    float: left;
    margin-top: 18px;
    margin-right: 90px;
}
.links .logo img{
    width: 168px;
    /* height: auto; */
}
.links .nav{
    float: left;
    height: 84px;
    position: relative;
    z-index: 10
}
.links .nav li{
    position: relative;
    padding: 0 17px 0 16px;
    float: left;
    background: url(../images/nav-li.png) no-repeat right center;
}
.links .nav li a{
    color: #7a7a7a;
    line-height: 84px;
    font-weight: bold;
}



@media (max-width: 1101px) {
    .isMobile .header{
        height: 55px;
        position: fixed;
        top: 0;
        background: #f7f7f7;
        transition: height .4s,top .5s ease;
    }
    .isMobile.nav-open .header {
        height: 100vh;
        overflow-y: auto;
    }
    .links .logo{
        display: inline-block;
        margin: 0 auto;
        float: none;
    }
    .isMobile #nav-toggle{
        cursor: pointer;
        position: absolute;
        left: 0;
        top: 0;
        height: 52px;
        width: 52px;
        z-index: 80;
    }
}
@media (max-width: 1011px){
    #nav-icon {
        margin: 10px;
        width: 30px;
        height: 30px;
        transform: rotate(0deg);
        transition: .5s ease-in-out;
    }
}
@media (max-width: 1011px){
    #nav-icon span {
        display: block;
        position: absolute;
        height: 2px;
        width: 100%;
        background: rgb(80, 79, 79);
        border-radius: 2px;
        opacity: 1;
        left: 0;
        transform: rotate(0deg);
        transition: .25s ease-in-out;
        transform-origin: left center;
    }
}
@media (max-width: 1011px){
    #nav-icon span:first-child {
        top: 4px;
    }
    #nav-icon span:nth-child(2) {
        top: 14.25px;
    }
    #nav-icon span:nth-child(3){
        top: 24.5px;
    }
}

@media (max-width: 1011px){
    .links{
        width: 100%;
        position: relative;
        text-align: center;
    }
    .links .logo img {
        width: 108px;
        /* margin-left: 60px;
        margin-top: 7px; */
        margin: 10px auto;
    }
}

@media (max-width: 1011px){
    .nav-open #nav-icon span:first-child {
        transform: rotate(45deg);
        top: 2.5px;
        left: 4px;
    }
    .nav-open #nav-icon span:nth-child(2) {
        width: 0;
        opacity: 0;
    }
    .nav-open #nav-icon span:nth-child(3) {
        transform: rotate(-45deg);
        top: 23.5px;
        left: 4px;
    }
}

@media (max-width: 1011px){
    .links .nav{
        display: none;
        margin: 60px -15px 0;
    }
    .isMobile.nav-open .nav{
        display: block
    }
    .nav-list{
        display: block;
    }
    .links .nav li{
        display: block;
        float: none;
        padding:  0 0 0 32px;
        background: none;
        text-align: left;
    }
    .links .nav li a{
        line-height: 34px;
    }
    .navline{
        display: none
    }
}