@charset "UTF-8";
header {
    box-sizing: border-box;
    width: 100%;
    height: 484px;
    background-image: url('/2022/common/images/header/lh-bj3.png');
    background-position: top center;
    background-repeat: no-repeat;
    background-clip: padding-box;
}

header nav {
    max-width: 1200px;
    min-width: 960px;
    height: 100px;
    background: url('/common/images/lh-logo.png') 2.5% center no-repeat;
    border-radius: 8px;
    background-color: #F2FDF2;
    margin: 20px auto 0 auto;
    position: relative;
    background-position: 21px 13px;
}

.ipv6 {
    border-radius: 13px;
    background: #0055cc;
    color: #fff;
    width: 120px;
    height: 28px;
    position: absolute;
    left: 1%;
    top: 116px;
    opacity: 0.55;
}

.ipv6::after {
    content: '网站支持IPv6';
    line-height: 28px;
    padding-left: 18px;
    letter-spacing: 1px;
    font-size: 13px;
    opacity: 0.9;
}

header nav ul {
    width: 73%;
    height: 100px;
    list-style: none;
    transition: width 1.5s;
}

header nav ul li {
    width: 12%;
    height: 55%;
    /* border: 1px salmon solid; */
}

header nav ul li a {
    display: block;
    width: 100%;
    height: 100%;
    line-height: 105px;
    font-size: 18px;
    color: #8e939b;
    cursor: pointer;
}

.sy a {
    background: url('/2022/common/images/header/sy.png') top center no-repeat;
}

.sy a:hover {
    background: url('/2022/common/images/header/sy1.png') top center no-repeat;
}

.zjlh a {
    background: url('/2022/common/images/header/zjlh.png') top center no-repeat;
}

.zjlh a:hover {
    background: url('/2022/common/images/header/zjlh1.png') top center no-repeat;
}

.zwgk a {
    background: url('/2022/common/images/header/zwgk.png') top center no-repeat;
}

.zwgk a:hover {
    background: url('/2022/common/images/header/zwgk1.png') top center no-repeat;
}

.zwfw a {
    background: url('/2022/common/images/header/zwfw.png') top center no-repeat;
}

.zwfw a:hover {
    background: url('/2022/common/images/header/zwfw1.png') top center no-repeat;
}

.hdjl a {
    background: url('/2022/common/images/header/hdjl.png') top center no-repeat;
}

.hdjl a:hover {
    background: url('/2022/common/images/header/hdjl1.png') top center no-repeat;
}

.jdhy a {
    background: url('/2022/common/images/header/jdhy.png') top center no-repeat;
}

.jdhy a:hover {
    background: url('/2022/common/images/header/jdhy1.png') top center no-repeat;
}

.ztzl a {
    background: url('/2022/common/images/header/ztzl.png') top center no-repeat;
}

.ztzl a:hover {
    background: url('/2022/common/images/header/ztzl1.png') top center no-repeat;
}

.znss a {
    background: url('/2022/common/images/header/znss.png') top center no-repeat;
}

.znss a:hover {
    background: url('/2022/common/images/header/znss1.png') top center no-repeat;
}

@media screen and (max-width:1170px) {
    header {
        background-position: right 47% top;
    }
    header nav ul {
        width: 68%;
    }
}

@media screen and (max-width:1110px) {
    header {
        background-position: right 43% top;
    }
}

@media screen and (max-width:980px) {
    header {
        background-position: right 39% top;
    }
}


/*移动端：*/

@media screen and (max-width:960px) {
    header {
        width: 100%;
        height: 180px;
        position: relative;
        background: url('/common/images/lh-logo.png') top 24px right 52% no-repeat;
        background-size: 230px auto;
    }
    header nav {
        position: absolute;
        background-image: none;
        bottom: 0;
        width: 100%;
        min-width: unset;
        height: 80px;
        border-radius: 0px;
        background-color: #489ec4;
    }

    header nav .ipv6{
        display: none;
    }
    
    header nav ul {
        width: 100%;
        height: 80px;
        padding: 0;
        margin: 0;
    }
    header nav ul li {
        width: 25%;
        height: 33px;
        line-height: 33px;
    }
    header nav ul li a {
        display: inline;
        color: #Fff;
        line-height: 50%;
        background-image: unset!important;
        font-size: 16.5px;
    }
    header nav ul li:first-child {
        letter-spacing: 15px;
        text-indent: 15px;
        white-space: nowrap;
    }
}