/*====================导航*********/
.header {
    width: calc(100% - 60px);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
    padding: 0 30px;
    /* border-top: 3px solid #015caf; */
    background-color: #ffffff;
    border-bottom: 1px solid #ececec;
}

.nav-box {
    display: flex;
    align-items: center;
    /* justify-content: space-between; */
}

/*左侧logo*/
.header .left {
    /* width: 12%; */
    flex: 1;
}

.header .left a {
    /*display: block;*/
}

.header .left a img {
    height: 40px;
}

.header .left .img2 {
    display: none;
}

/*右侧*/
.header .nav {
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -o-transition: 0.5s;
    transition: 0.5s;
    height: 100%;
    line-height: 64px;
    display: flex;
    align-items: center;
}

.change_language {
    background: #f1f1f1;
    border-radius: 40px;
    font-size: 16px;
    color: #666;
    padding: 0 10px;
    margin-left: 20px;
    height: 40px;
    line-height: 40px;
    cursor: pointer;
    transition: all 0.3s ease 0s;
}

.change_language a {
    display: flex;
    align-items: center;
    transition: all 0.3s ease 0s;
}

.change_language a img {
    margin-right: 6px;
    width: 20px;
    height: 20px;
    display: block;
}

.change_language a:hover img {
    transition: all 0.3s;
    filter: brightness(0) invert(1);
}

.change_language:hover {
    background: #154fa1;
}

.change_language:hover a {
    color: #fff;
}

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

.header .navbar_nav li {
    position: relative;
    display: block;
    /*border-left: 1px solid #eeeeee;*/
}

/*.header .navbar_nav li:nth-child(6) {*/
/*    border-right: 1px solid #eeeeee;*/
/*}*/

.header .navbar_nav li:after {
    content: "";
    width: 0;
    height: 4px;
    background: #154fa1;
    position: absolute;
    bottom: 0;
    left: 0;
    transition: all 0.5s ease 0s;
}

.header .navbar_nav li:hover:after {
    width: 100%;
}

.header .navbar_nav li a {
    text-decoration: none;
    height: 100%;
    padding: 30px 35px;
    display: block;
    -webkit-transition: 0.5s;
    -moz-transition: 0.5s;
    -o-transition: 0.5s;
    transition: 0.5s;
    color: #000;
    font-size: 17px;
    font-weight: bold;
    border-radius: 12px;
    overflow: hidden;
}

.header .navbar_nav li:hover a {
    color: #154fa1;
    background: #f5f5f5;
}

.header .navbar_nav .active a {
    background: #f5f5f5;
    color: #154fa1;
}

.header .navbar_nav li.dropdown {
    display: inherit;
    position: relative;
}

.header .navbar_nav li.dropdown .dropdown_menu {
    display: none;
    position: absolute;
    top: 105px;
    min-width: 100%;
    background: #fff;
    box-shadow: 0 15px 27px 0 rgba(167, 165, 165, 0.38);
    transform: translateY(-100%);
    transition: transform 0.5s ease;
    z-index: 99;
    border-radius: 12px;
    overflow: hidden;
}

.header .navbar_nav li.dropdown .dropdown_menu a {
    font-size: 15px;
    color: #000000;
    padding: 0 10px;
    line-height: 46px;
    text-align: center;
    background: #fff;
    margin-bottom: 0px;
    white-space: nowrap;
    font-weight: normal;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu {
    display: block;
    transform: translateY(0);
}

.header .navbar_nav li.dropdown:hover .dropdown_menu a {
    color: #666666;
}

.header .navbar_nav li.dropdown:hover .dropdown_menu a:hover {
    color: #000000;
    background: #e9f0f8;
}

/*白色背景的头部*/
.header.on {
    /*background: #fff;*/
    /*border-bottom: 1px solid #ccc;*/
}

.header.on .left .img1 {
    display: none;
}

.header.on .left .img2 {
    display: block;
}

.header.on .navbar_nav li a {
    color: #333;
}

.header.on .navbar_nav li:hover a {
    color: #154fa1;
}

#navToggle {
    display: none;
}

.m_nav {
    position: fixed;
    top: 0px;
    box-shadow: 0 15px 27px 0 rgba(167, 165, 165, 0.38);
    width: 100%;
    height: 100%;
    background: #fff;
    transition: all ease 0.5s;
    -webkit-transition: all ease 0.5s;
    z-index: 1000;
    opacity: 1;
    visibility: visible;
    margin-top: 0;
    overflow-y: auto;
    transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
    top: 0;
    transform: translateX(100%);
}

.m_nav.open {
    transform: translateX(0);
}

.m_nav .top {
    height: 60px;
    padding: 20px;
    box-sizing: border-box;
}

.m_nav .top .closed {
    width: 30px;
    height: 30px;
    vertical-align: middle;
    float: right;
    cursor: pointer;
}

.m_nav .logo {
    width: 100%;
    margin: 0 auto;
}

.m_nav .logo img {
    height: 50px;
    display: block;
    margin: 30px auto;
}

.m_nav .ul {
    margin-top: 30px;
}

.m_nav .ul li {
    padding: 0 20px;
    border-bottom: 1px solid #f5f5f5;
    transform: translateY(0);
    -webkit-transform: translateY(100%);
    transform: translateY(100%);
    -webkit-transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
    opacity: 0;
}

.m_nav.open .ul li {
    opacity: 1;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

.m_nav .ul li:nth-child(1) {
    -webkit-transition: all .2s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all .2s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(2) {
    -webkit-transition: all .4s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all .4s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(3) {
    -webkit-transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all .6s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(4) {
    -webkit-transition: all .8s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all .8s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(5) {
    -webkit-transition: all 1.0s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all 1.0s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li:nth-child(6) {
    -webkit-transition: all 1.2s cubic-bezier(.77, 0, .175, 1) 0ms;
    transition: all 1.2s cubic-bezier(.77, 0, .175, 1) 0ms;
}

.m_nav .ul li a {
    display: block;
    text-decoration: none;
    color: #333;
    font-size: 16px;
    height: 50px;
    line-height: 50px;
    width: 100%;
}

.m_nav .ul li .dropdown_menu {
    display: none;
}

.m_nav .ul li.dropdown.active .dropdown_menu {
    display: block;
}

.m_nav .ul li .dropdown_menu a {
    display: block;
    height: 50px;
    line-height: 50px;
    padding: 0 40px;
    box-sizing: border-box;
    border-bottom: 1px solid #f5f5f5;
}

.m_nav .ul li .dropdown_menu a:last-child {
    border: none;
}

.banner {
    width: 100%;
}

.banner img {
    width: 100%;
}

@media screen and (max-width: 1024px) {
    .header .nav-box .nav .navbar_nav li a {
        padding: 16px !important;
    }
}

@media screen and (max-width: 992px) {
    .header .nav-box {
        width: 100% !important;
        margin: 0 auto !important;
        justify-content: space-between;
    }

    .header {
        padding: 0 10px;
        width: calc(100% - 20px);
    }

    .header #navToggle {
        height: 100%;
        padding: 40px 0 40px 15px;
        margin-right: 0;
        display: inline-block;
        float: right;
    }

    .header #navToggle span {
        position: relative;
        width: 25px;
        height: 1px;
    }

    .header #navToggle span:before,
    .header #navToggle span:after {
        content: '';
        position: relative;
        width: 100%;
        height: 1px;
        left: 0;
    }

    .header #navToggle span,
    .header #navToggle span:before,
    .header #navToggle span:after {
        -webkit-transition: 0.3s;
        -moz-transition: 0.3s;
        -o-transition: 0.3s;
        transition: 0.3s;
        display: block;
        background: #4f4f4f;
    }

    .header #navToggle span:before {
        top: 8px;
    }

    .header #navToggle span:after {
        bottom: 10px;
    }

    .header #navToggle.open span:before {
        top: 10px;
        -webkit-transform: translateY(-11px) rotate(-45deg);
        -moz-transform: translateY(-11px) rotate(-45deg);
        -ms-transform: translateY(-11px) rotate(-45deg);
        -o-transform: translateY(-11px) rotate(-45deg);
        transform: translateY(-11px) rotate(-45deg);
    }

    .header #navToggle.open span:after {
        bottom: 12px;
        -webkit-transform: translateY(10px) rotate(45deg);
        -moz-transform: translateY(10px) rotate(45deg);
        -ms-transform: translateY(10px) rotate(45deg);
        -o-transform: translateY(10px) rotate(45deg);
        transform: translateY(10px) rotate(45deg);
    }

    .header #navToggle.open span {
        background: none;
    }

    .header #navToggle.open span:before,
    .header #navToggle.open span:after {
        background: #4f4f4f;
    }

    .header .nav {
        display: none;
    }
    .banner {
        margin-top: 82px !important;
        overflow: hidden;
        text-align: center;
        position: relative;
    }
    .banner img {
        /*height: 600px;*/
        object-fit: cover;
    }
}