.header{
    display: flex;
    align-items: center;
    height: 60px;
    width: 90%;
    margin: 0 auto;
}
.header .logo{
    padding-right: 80px;
}
.header .logo>a>img{
    height: 28px;
    vertical-align: middle;

}
.header .logo>span{
    font-size: 22px;
    font-weight: bold;
    vertical-align: middle;
}
.header .menu {
    flex: 1;
    font-size: 16px;
    margin: 0 auto;
}
.header .menu a{
    text-decoration: none;
    color: rgb(153, 153, 153);
}
.header .menu ul{
    display: flex;
}
.header .menu li{
    flex: 1;
    padding: 10px;
}
.header .menu li.selected a{
    color: #000;
}
/* 全屏屏幕 */
@media screen and (min-width: 768px) {
    .header{
        display: flex;
    }

    .mobile-header{
        display: none;
    }
}

/* 手机屏幕 */
@media screen and (max-width: 767px) {
    .header{
        display: none;
    }
    .mobile-header{
        display: flex;
    }
}
.mobile-header{
    -webkit-box-shadow: rgba(0, 0, 0, .2) 0px 2px 5px;
    -moz-box-shadow: rgba(0,0,0,.2) 0px 2px 5px;
    box-shadow: rgba(0, 0, 0, .2) 0px 2px 5px;
    padding: 10px;
    align-items: center;
    position: relative;
    z-index: 999;
}
.mobile-header .right{
    width: 26px;
    height: 26px;
}
.mobile-header .logo{
    padding-right: 80px;
    flex: 1;
}
.mobile-header .logo>a>img{
    height: 28px;
    vertical-align: middle;

}
.mobile-header .logo>span{
    font-size: 22px;
    font-weight: bold;
    vertical-align: middle;
}

.mobile-header  .menu{
    display: none;
    z-index: 2001;
    position: absolute;
    width: 100%;
    top:48px;
    left:0;
    background-color: #fff;
    border-top: solid 1px #e5e5e5;
    color: #fff;
    height: calc(100vh - 48px);
    background-color: rgb(18, 17, 17);
}
.mobile-header  .menu li{
    margin: 0 40px;
    padding: 20px 10px;
    font-size: 14px;
    display: block;

}
.mobile-header .menu li:not(:last-child){
    border-bottom: 1px solid #ebedf0;
}
.mobile-header  .menu li a{
    color: #fff;
    text-decoration: none;
}
a{
    text-decoration: none;
    color: rgb(51, 51, 51);
}
.mobile-header  .menu li.selected a{
    color: #27c24c;
}
.overflow-hidden{
    overflow: hidden;
}