*{
    padding: 0;
    margin: 0;
    list-style:none;
    font-family: "PingFang SC","Microsoft YaHei","微软雅黑","Microsoft JhengHei","黑体",arial,STHeiti,'\5b8b\4f53';

}
.header-left, #headernav{
    position: fixed;
    top: 0;
    z-index: 9999;
    width: 100%;
    min-width: 1200px;
    height: 70px;
    font-size: 0;
    display: flex;
}
.navbar-header{
    height: 70px;
    margin-left: 60px;
}
.navbar-header img{
    width: 150px;
    padding-top: 17.5px;
}
.has-submenu{
    border-bottom: 1px solid #fff;
}
.header-left ul li{
    font-size: 16px;
    display: inline-block;
    margin-left: 65px;
    height: 55px;
    line-height: 65px;
}
.navbar-button{
    float: right;
}
.btn{
    width: auto;
    padding: 0 20px;
    display: inline-block;
    height: 34px;
    min-width: 40px;
    border: 1px solid #FFF;
    font-size: 16px;
    color: #FFF;
    line-height: 34px;
    text-align: center;
    border-radius: 2px;
    vertical-align: middle;
}
.navigation-menu{
    width: 100%;
}
.header-left ul li a{
    color: white;
    text-decoration: none;
}
#open-nav{
    position: absolute;
    top: 55px;
    left: 356px;
    background: #fff;
    border-radius: 4px;
    width: 80px;
    line-height: 30px;
}
#open-nav a{
    color: #000;
    width: 80px;
    height: 30px;
    display: block;
    text-align: center;
    margin: 10px 0 10px 0;
}
#open-nav a:hover{
    background: #f4f4f4;
}