body{
    position: relative;
}

.header {
    width: 100%;
    height: 0.9rem;
    position: fixed;
    top: 0;
    z-index: 9999;
}

.header .main {
    max-width: 17.2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.head_logo {
    width: auto;
    height: 0.36rem;
    filter: brightness(0) invert(1);
}
.header:hover .head_logo,
.header.active2 .head_logo,
.header.active .head_logo{
    filter: brightness(1) invert(0);
}

.head_logo img {
    width: auto;
    height: 100%;
    object-fit: contain;
}

.head_logo .head_logo2 {
    display: none;
}

.head_fr {
    display: flex;
    align-items: center;
}

.head_nav {
    display: flex;
    column-gap: 0.4rem;
}
.head_nav .nav_item .nav_url {
    font-weight: bold;
    font-size: 0.2rem;
    color: #FFFFFF;
    line-height: 0.9rem;
    position: relative;
}
.head_nav .nav_item .nav_url::before{
    content: "";
    position: absolute;
    width: 0;
    height: 0.03rem;
    background: #002673;
    bottom: 0.08rem;
    left: 50%;
    transform: translateX(-50%);
    transition:all .5s;
	-moz-transition:all .5s;
	-webkit-transition:all .5s;
	-o-transition:all .5s;
}
.head_nav .nav_item.act .nav_url,
.head_nav .nav_item:hover .nav_url{
    color: #002673 !important;
}
.head_nav .nav_item:hover .nav_url::before,
.head_nav .nav_item.act .nav_url::before{
    width: 0.75rem;
}
.head_txt {
    display: flex;
    align-items: center;
    margin-left: 0.65rem;
}
.head_txt .head_search{
    width: 0.18rem;
    height: 0.9rem;
    display: flex;
    align-items: center;
}
.head_txt .head_search .search_icon{
    width: 0.18rem;
    height: 0.18rem;
    overflow: hidden;
    filter: brightness(0) invert(1);
}
.head_txt .head_search .search_icon img{
    object-fit: contain;
}
.head_txt .head_hr{
    width: 0.01rem;
    height: 0.16rem;
    background: #fff;
    margin: 0 0.2rem;
}
.head_txt .head_url{
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
    column-gap: 0.1rem;
    font-weight: 400;
    font-size: 0.16rem;
    color: #fff;
}
.head_txt .head_url img,
.head_txt .head_language .language_txt img{
    width: 0.18rem;
    height: 0.18rem;
    object-fit: contain;
    filter: brightness(0) invert(1);
}
.head_txt .head_language .language_txt{
    display: flex;
    align-items: center;
    column-gap: 0.1rem;
    font-weight: 400;
    font-size: 0.16rem;
    color: #fff;
}
.head_txt .head_language .language_txt i{
    width: 0.12rem;
    height: 0.07rem;
    display: block;
    background: url(../images/img/head_icon3.png) center no-repeat;
    background-size: contain;
    filter: brightness(0) invert(1);
}
.head_txt .search_div{
    position: absolute;
    width: 100%;
    height: 0;
    background: #fff;
    left: 50%;
    top: 0.9rem;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    transition:all .5s;
	-moz-transition:all .5s;
	-webkit-transition:all .5s;
	-o-transition:all .5s;
    overflow: hidden;
}
.head_txt .head_search:hover .search_div{
    height: 1.34rem;
}
.head_txt .search_div .search_box{
    width: 12.71rem;
    height: 0.6rem;
    margin-top: 0.42rem;
    background: #FFFFFF;
    position: relative;
    display: flex;
}
.head_txt .search_div .search_box::before{
    content: "";
    position: absolute;
    width: 0.01rem;
    height: 0.32rem;
    background: #707070;
    opacity: 0.5;
    right: 0.97rem;
    top: 0.13rem;
}
.head_txt .search_div .search_box input{
    width: 100%;
    height: 100%;
    padding: 0.18rem 1.2rem 0.18rem 0.26rem;
    box-sizing: border-box;
    border-radius: 0.04rem;
    border: 0.01rem solid #E2E2E2;
}
.head_txt .search_div .search_box .submit{
    width: 0.31rem;
    height: 0.31rem;
    position: absolute;
    right: 0.34rem;
    top: 0.13rem;
    cursor: pointer;
    background: url(../images/img/submit.png) center no-repeat;
    background-size: contain;
    padding: 0;
    border: none;
}



.head_txt>div:last-child,
.head_txt>div:nth-last-child(2){
    display: none;
}













.header.active2{
    position: fixed;
    background: #FFFFFF;
    box-shadow: 0rem 0rem 0.1rem 0.01rem rgba(0,0,0,0.1);
}
.header:hover{
    background: #FFFFFF;
    box-shadow: 0rem 0rem 0.1rem 0.01rem rgba(0,0,0,0.1);
}
.header.active .head_logo1,
.header.active2 .head_logo1,
.header:hover .head_logo1{
    display: none;
}
.header.active .search_icon,
.header.active2 .search_icon,
.header:hover .search_icon,
.header.active .head_search .search,
.header.active2 .head_search .search,
.header:hover .head_search .search,
.header.active .head_url img,
.header.active2 .head_url img,
.header:hover .head_url img,
.header.active .head_language .language_txt img,
.header.active2 .head_language .language_txt img,
.header:hover .head_language .language_txt img,
.header.active .head_txt .head_language .language_txt i,
.header.active2 .head_txt .head_language .language_txt i,
.header:hover .head_txt .head_language .language_txt i{
    filter: brightness(1) invert(0);
}
.header.active .head_nav .nav_item .nav_url,
.header.active2 .head_nav .nav_item .nav_url,
.header:hover .head_nav .nav_item .nav_url{
    color: #000;
}
.header.active .head_search .phone,
.header.active .head_search .phone b,
.header.active2 .head_search .phone,
.header.active2 .head_search .phone b,
.header:hover .head_search .phone,
.header:hover .head_search .phone b{
    color: #000;
}
.header.active .head_search .phone::before,
.header.active2 .head_search .phone::before,
.header:hover .head_search .phone::before{
    background: #DDDDDD;
}
.header.active .head_logo2,
.header.active2 .head_logo2,
.header:hover .head_logo2{
    display: block;
}
.header.active .head_hr,
.header.active2 .head_hr,
.header:hover .head_hr{
    background: #333;
}
.header.active .head_url,
.header.active2 .head_url,
.header:hover .head_url,
.header.active .head_language .language_txt,
.header.active2 .head_language .language_txt,
.header:hover .head_language .language_txt{
    color: #333;
}








/* 二级栏目 */
.nav_head2{
    position: absolute;
    width: 100%;
    height: 0;
    overflow: hidden;
    background: url(../images/img/head_bg.png) center no-repeat;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    justify-content: center;
    transition:all .5s;
	-moz-transition:all .5s;
	-webkit-transition:all .5s;
	-o-transition:all .5s;
}
.nav_item:hover .nav_head2{
    height: 4.73rem;
}
.nav2_body{
    max-width: 15.2rem;
    width: 94%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    margin-top: 0.58rem;
}
.nav2_body .nav2_img{
    width: 5.26rem;
    height: 3.24rem;
    border-radius: 0.04rem;
    overflow: hidden;
}
.nav2_body .nav2_img img{
    width: 100%;
    height: 100%;
    object-fit: contain;
}
.nav2_body .nav2_list{
    width: calc(100% - 6.13rem);
    padding-right: 0.64rem;
    box-sizing: border-box;
}
.nav2_body .nav2_list .nav2_name{
    font-weight: 400;
    font-size: 0.36rem;
    color: #333333;
    width: 100%;
    margin-bottom: 0.4rem;
}
.nav2_body .nav2_list .nav2_li{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    column-gap: 1rem;
}
.nav2_body .nav2_list .nav2_li a{
    width: calc(50% - 0.5rem);
    font-weight: 400;
    font-size: 0.18rem;
    color: #333333;
    padding-bottom: 0.15rem;
    margin-bottom: 0.19rem;
    border-bottom: 0.01rem solid #DFDFDF;
    position: relative;
}
.nav2_body .nav2_list .nav2_li a::before{
    content: "";
    position: absolute;
    width: 0;
    height: 0.01rem;
    background: #002673;
    bottom: 0;
    transition: all 0.5s;
    right: 0;
}
.nav2_body .nav2_list .nav2_li a.act,
.nav2_body .nav2_list .nav2_li a:hover{
    color: #002673;
}
.nav2_body .nav2_list .nav2_li a:hover::before{
    width: 100%;
    left: 0;
}