.header_zz{
    height: .48rem;
}
.header {
    position: fixed;
    z-index: 100;
    background-color: #222;
    top: 0;
    width: 100%;
    height: .48rem;
}
.container{
    width: 12rem;
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.container .container_logo{
    height: 80%;
}
.container .container_logo img{
    height: 100%;
}
.container .header-list{
    display: flex;
    align-items: center;
    margin-left: .3rem;
    height: 100%;
}
.container .header-list li a{
    font-size: .16rem;
    line-height: .48rem;
    color:#ccc;
    margin: 0 .14rem;
    position: relative;
    transition: all .5s ease;
    display: block;
}
.container .header-list li a::after{
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 3px;
    background: #fff;
    transition: all .5s ease;
    transform: translateX(-50%);
}
.container .header-list li.active a,.container .header-list li:hover a{
    font-weight: bold;
    color:#fff;
}
.container .header-list li:hover a::after,.container .header-list li.active a::after{
    width: 100%;
}

@media screen and (max-width: 1200px){
    .container{
        width: 100%;
        padding: 0 .12rem;
        box-sizing: border-box;
    }
}
@media screen and (max-width: 750px){
    .header,.header_zz{
        height: .9rem;
    }
    .container{
        position: relative;
    }
    .container .header-list{
        display: none;
        position: absolute;
        top: .9rem;
        width: 100%;
        left: 0;
        background: rgba(0,0,0,0.8);
        margin: 0;
        flex-wrap: wrap;
        height: auto;
    }
    .container .header-list.show{
        display: flex;
    }
    .container .header-list li{
        flex-shrink: 0;
        width: 33.33%;
    }
    .container .header-list li a{
        font-size: .32rem;
        line-height: 3;
        text-align: center;
        width: 100%;
        display: block;
        margin: 0;
    }
    .header-listbtn{
        position: absolute;
        right: .12rem;
        top: 50%;
        transform: translateY(-50%);
        width: .6rem;
        height: 100%;
        background: url(/images/news_top_icon01.png)no-repeat center/.32rem;
    }
}