.header {
    width: 100%;
    height: 0.95rem;
    background: #fff;
    position: fixed;
    top: 0;
    z-index: 99;
    transition: all 0.6s;
    -webkit-transition: all 0.6s;
    -moz-transition: all 0.6s;
    -o-transition: all 0.6s;
    -ms-transition: all 0.6s;
}


.header.sty {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    height: 0.8rem;
}



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

.header .header_logo {
    display: flex;
    align-items: center;
}

.header .header_logo .head_logo_img {
    height: 0.45rem;
    width: auto;
    margin-right: 0.12rem;
}

.header .header_logo .head_logo_img img {
    transition: all 0.6s;
    -webkit-transition: all 0.6s;
    -moz-transition: all 0.6s;
    -o-transition: all 0.6s;
    -ms-transition: all 0.6s;
}

.header.sty .header_logo .head_logo_img img {
    transform: scale(0.8);
}

.header .header_logo .head_guqiao {
    font-weight: 400;
    font-size: 0.16rem;
    color: #002F50;
    display: flex;
    align-items: center;
}

.header .header_logo .head_guqiao span {
    font-size: 0.18rem;
    margin-left: 0.06rem;
}




.header .header_txt {
    height: 100%;
    display: flex;
    justify-items: center;
}

.header .header_txt .head_nav {
    display: flex;
    gap: 0.6rem;
    height: 100%;
}

.header .header_txt .nav_list {
    position: relative;
    height: 100%;
    overflow: hidden;
}

.header .header_txt .nav_list .icon-right {
    display: none;
}
.header .header_txt .nav_list .icon-right:before{
    display: none;
}
.header .header_txt .nav_list .nav_item {
    font-weight: 400;
    font-size: 0.16rem;
    color: #333333;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.header .header_txt .nav_list .nav_item:hover {
    color: #006dbb !important;
}

.header .header_txt .nav_list .nav_item::before {
    content: "";
    position: absolute;
    height: 0.03rem;
    background: #002D66;
    top: 0.74rem;
    width: 0;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.5s;
}

.header.sty .header_txt .nav_list .nav_item::before {
    top: 0.62rem;
    transition: top 0.6s;
}

.header .header_txt .nav_list:hover .nav_item::before,
.header .header_txt .nav_list.act .nav_item::before {
    width: 0.64rem;
}







.header .header_txt .nav_list .nav_class2 {
    position: absolute;
    min-width: 1rem;
    background: #fff;
    padding: 0.16rem 0.3rem 0.22rem 0.3rem;
    box-sizing: border-box;
    top: 0.6rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: all 0.5s;

}

.header .header_txt .nav_list:hover {
    overflow: initial;
}

.header .header_txt .nav_list:hover .nav_class2 {
    top: 0.88rem;
    opacity: 1;
}

.header.sty .header_txt .nav_list:hover .nav_class2 {
    top: 0.75rem;
}

.header .header_txt .nav_list .nav_class2 .nav_item2 {
    font-weight: 400;
    font-size: 0.14rem;
    color: #333333;
    margin-top: 0.13rem;
    white-space: nowrap;
}
.header .header_txt .nav_list .nav_class2 .nav_item3 {
    font-weight: 400;
    font-size: 0.12rem;
    color: #444;
    margin-top: 0.07rem;
    margin-left: 0.07rem;
    white-space: nowrap;
}
.header .header_txt .nav_list .nav_class2 .nav_item2:first-child {
    margin-top: 0;
}

.header .header_txt .nav_list .nav_class2 .nav_item2:hover {
    color: #006dbb !important;
}




.header .header_txt .nav_list .sty2 {
    padding: 0.1rem 0.55rem 0.25rem 0.45rem;
    box-sizing: border-box;
}

.header .header_txt .nav_list .sty2 .nav2_txt {
    border-bottom: 0.02rem solid rgba(112, 112, 112, 0.2);
    padding-bottom: 0.17rem;
    padding-top: 0.1rem;
    min-width: 1.6rem;
}

.header .header_txt .nav_list .sty2 .nav2_txt:last-child {
    border: none;
    padding-bottom: 0;
}

.header .header_txt .nav_list .sty2 .nav2_txt .nav2_name {
    font-weight: bold;
    font-size: 0.16rem;
    color: #333333;
    margin-bottom: 0.1rem;
    cursor: pointer;
    width: 100%;
    text-align: left;
    white-space: nowrap;
}

.header .header_txt .nav_list .sty2 .nav2_txt .nav2_li {
    font-weight: 400;
    font-size: 0.14rem;
    color: #333333;
    margin-bottom: 0.06rem;
    cursor: pointer;
}

.header .header_txt .nav_list .sty2 .nav2_txt a:hover {
    color: #006dbb !important;
}

.header .header_txt .nav_list .sty2 .nav2_txt .nav2_li:last-child {
    margin-bottom: 0;
}



.header .header_txt .head_language {
    width: auto;
    display: flex;
    align-items: center;
    font-weight: 400;
    font-size: 0.16rem;
    color: #333333;
    margin-left: 0.64rem;
}

.header .header_txt .head_language img {
    width: 0.2rem;
    height: 0.2rem;
    margin-right: 0.11rem;
}







#nav-btn {
    z-index: 9;
    width: 40px;
    height: 40px;
    position: relative;
    display: none;
}

#nav-btn .navbtn {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 2px;
    background: #044289;
    transform: translate(-50%, -50%);
}
#nav-btn .colse,
#nav-btn.act .navbtn{
    display: none;
}

#nav-btn.act .colse{
    width: 20px;
    height: 20px;
    background: url(../img/colse.png) center no-repeat;
    background-size: contain;
    display: block;
}

#nav-btn .navbtn::after,
#nav-btn .navbtn::before {
    position: absolute;
    left: 0;
    display: inline-block;
    width: 20px;
    height: 2px;
    content: '';
    -webkit-transition: all .3s ease-out 0s;
    -moz-transition: all .3s ease-out 0s;
    -ms-transition: all .3s ease-out 0s;
    -o-transition: all .3s ease-out 0s;
    transition: all .3s ease-out 0s;
    background: #044289;
}

#nav-btn .navbtn::before {
    top: 8px;
}

#nav-btn .navbtn::after {
    top: -8px;
}

@media only screen and (max-width:1042px) {
    .header {
        height: 70px;
    }

    .header.sty {
        height: 60px;
    }

    .header .header_logo .head_guqiao {
        font-size: 16px;
    }

    .header .header_logo .head_guqiao span {
        font-size: 18px;
    }

    .header .header_logo .head_logo_img {
        height: 45px;
    }

    #nav-btn {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .header_txt {
        position: fixed;
        bottom: 0;
        z-index: 99;
        height: calc(100% - 60px) !important;
        width: 100%;
        background: #044289;
        display: block !important;
        left: 100%;
         overflow-y: auto; 
        transition: 0.3s;
    }

    .header_txt.act {
        left: 0;
    }
    .header .header_txt .nav_list:hover .nav_item::before, 
    .header .header_txt .nav_list.act .nav_item::before{
        display: none
    }
    .header .header_txt .head_nav {
        display: block;
        width: 100%;
        margin: 60px 0;
    }

    .header .header_txt .nav_list {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        line-height: initial;
        height: auto;
        width: 100%;
        float: left;
    }
    .header .header_txt .nav_list .nav_item {
        line-height: 40px;
        height: 40px;
        width: calc(100% - 90px);
        color: #fff;
        display: block;
        padding: 0 20px;
        color: #fff;
        float: left;
        font-size: 16px;
    }


    .header .header_txt .nav_list .icon-right {
        width: 50px;
        height: 40px;
        text-align: center;
        float: right;
        line-height: 40px;
        display: block;
        background: url(../img/about_jiantou.png) center no-repeat;
        background-size: initial;
    }
    .header.sty .header_txt .nav_list .nav_item::before{
        display: none;
    }
    .header .header_txt .nav_list .nav_class2 {
        position: relative;
        opacity: 1 !important;
        top: auto !important;
        left: auto;
        transform: none;
        width: 100%;
        height: auto;
        float: left;
        background: none;
        padding: 0.1rem 0.55rem 0.25rem 0.45rem;
        display: none;
    }
    .header .header_txt .nav_list .nav_class2 .nav_item2{
        color: #fff;
        font-size: 14px;
        margin-top: 13px;
    }
    .header .header_txt .nav_list .nav_class2 .nav_item3{
        font-size: 13px;
    }
    .header .header_txt .nav_list.active .nav_class2{
        display: block;
    }
    .header .header_txt .nav_list .icon-right{
        transition: 0.5s;
    }
    .header .header_txt .nav_list.active .icon-right{
        transform: rotate(90deg);
    }




    .header .header_txt .nav_list .sty2{
        padding-top: 0;
    }
    .header .header_txt .nav_list .sty2 .nav2_txt {
        padding-top: 10px;
        padding-bottom: 17px;
    }

    .header .header_txt .nav_list .sty2 .nav2_txt .nav2_name {
        font-size: 16px;
        margin-bottom: 10px;
        text-align: left;
        color: #fff;
    }

    .header .header_txt .nav_list .sty2 .nav2_txt .nav2_li {
        font-size: 14px;
        margin-bottom: 6px;
        color: #fff;
    }

    .header .header_txt .head_language{
        position: absolute;
        width: auto;
        height: auto;
        top: 20px;
        color: #fff;
        margin-left: 20px;
        font-size: 16px;
    }
    .header .header_txt .head_language img{
        filter: brightness(0) invert(1);
        width: 20px;
        height: 20px;
        margin-right: 11px;
    }
}







@media only screen and (max-width: 767px) {
    /* .header {
        background: none !important;
    } */

    .header.sty {
        background: #fff !important;
    }

    .header .header_logo .head_logo_img {
        height: 32px;
    }


}