* {
    margin: 0;
    padding: 0;
}
html,body {
    
}
.nav_active {
    color: #126ED6;
}

.header {
    position: relative;
    width: 100%;
    height: 110px;
}
.header .header_inner {
    width: 1170px;
    margin: 0 auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header img {
    width: 505px;
    height: 65px;
    margin-right: 72px;
}

.header .nav {
    width: 5.63rem;
    height: 110px;
    font-size: .16rem;
    display: flex;
    justify-content: space-between;
}

a {
    text-decoration: none;
    color: black;
}

.nav ul {
    list-style: none;
    width: 5.63rem;
    height: 110px;
    display: flex;
    justify-content: space-between;
}

.nav ul li > a {
    position: relative;
    line-height: 110px;
    display: block;
    font-size:16px !important;
    font-family:Microsoft YaHei;
    font-weight:400;
    color: #2E2E2E;
}
.nav>ul>li.contactus {
    position: relative;
}
.nav ul li > a.font18 {
    font-size: 10px !important;
    line-height: unset !important;
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translate(80px,-50%);
    display: block !important;
    width: 60px !important;
    text-align: center;
}
.nav>ul>li {
    text-align: center;
    float: left;
    height: 110px;
    width: 150px;
}
.nav ul li>div:first-child {
    margin: 21px auto 22px;
    display: block;
    width: .39rem;
    height: .03rem;
    background: rgba(18, 110, 214, 1);
    border-radius: 2px;
    display: none;
}
.nav ul li.contactus a.border-top {
    margin: 21px auto 22px;
    display: block;
    width: .39rem;
    height: .03rem;
    background: rgba(18, 110, 214, 1);
    border-radius: 2px;
    display: none;
}
.nav ul li.liele a:hover {
    color: #126ED6;
}
.nav ul li.contactus a:hover {
    color: #126ED6;
}
.nav ul li.liele:hover >div {
    display: block;
}
.nav ul li.liele:hover >a.m-enter {
    margin-top: -46px;
}
.nav ul li.contactus a.m-enter:hover + div.border-top {
    display: block;
}
.nav ul li.contactus a.m-enter:hover {
    margin-top: -46px;
}
.nav ul li.liele:hover > a.font18 {
    color: #2e2e2e !important;
    margin-top: 0px;
}
.nav ul li > a.font18:hover {
    color: #2e2e2e !important;
    margin-top: 0px;
}

.nav ul li.active > div {
    display: block;
}
.nav ul li.active > a {
    margin-top: -46px;
    color: #126ED6;
}
.nav_chanpin:hover .nav_two{
    display: flex !important;
}
.nav_about:hover .nav_three {
    display: flex !important;
}
.nav_two{
    position: absolute;
    left: 0;
    top: 110px;
    z-index: 9;
    width: 100%;
    height: 3.25rem;
    background:#E7F1F8;
    opacity: 0.9;
    display: flex;
    justify-content: center;
    display: none;
}
.nav_two>div:nth-child(1) {
    width: 2.6rem;
    height: 2.26rem;
    margin-left: 1.08rem;
    margin-top: 0.32rem;
}

.nav_two>div:nth-child(1)>p:nth-child(1) {
    font-size: .36rem;
    margin-bottom: .23rem;
    text-align: left;
}
.nav_two>div:nth-child(1)>p:nth-child(2) {
    font-size:.16rem;
    color:rgba(102,102,102,1);
    margin-bottom: .22rem;
    overflow: hidden;
    display: -webkit-box;
    overflow: hidden;  
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    text-align: left;
}
.nav_two>div:nth-child(1)>div:nth-child(3) {
    width: 2.6rem;
    height: 2px;
    border-top: 1px dashed rgba(166,166,166,1);
    margin-bottom: 0.29rem;
}
.nav_two>div:nth-child(1)>p:nth-child(4) {
    color: #126ED6;
    font-size: .16rem;
    line-height: 1;
    text-align: left;
}
.nav_two>div:nth-child(1)>p:nth-child(4) a {
    line-height: 1;
    vertical-align: middle;
    font-size:16px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(19,110,214,1);
    display: inline;
}
.nav_two>div:nth-child(1)>p:nth-child(4)>img {
    width: .15rem;
    height: .13rem;
    margin: 0 0;
    margin-left: .27rem;
    vertical-align: middle;
}
.nav_two>div:nth-child(1)>p:nth-child(4)>a img {
    width: .15rem;
    height: .13rem;
    margin: 0 0;
    margin-left: .27rem;
    vertical-align: middle;
}
.nav_two>div:nth-child(2) {
    width: 6.75rem;
    height: 2.26rem;
    border-left: 1px solid rgba(196,196,196,1);
    display: flex;
    margin-left: .21rem;
    margin-top: .32rem;
    text-align: left;
}
.nav_two>div:nth-child(2)>a {
    display: inline-block;
    width: 1.21rem;
    height: 100%;
    margin-left: .12rem;
    font-size: .16rem;
    color: #767676;
    font-weight: 700;
}
.nav_two>div:nth-child(2)>a>div {
    width: 1.21rem;
    background-color: #ccc;
    height: 1.61rem;
}
.nav_two>div:nth-child(2)>a>p {
    margin: 12px auto 16px;
    text-align: center;
}
.nav_two>div:nth-child(2)>a>span {
    display: block;
    width:20px;
    height:2px;
    background:rgba(18,110,214,1);
    border-radius:1px;
    margin: 0 auto 0;
    display: none;
}
.nav_two>div:nth-child(2)>a:hover {
    color: #126ED6;
}
.nav_two>div:nth-child(2)>a:hover span{
    display: block;
}

.nav_three {
    position: absolute;
    left: 0;
    top: 110px;
    z-index: 9;
    width: 100%;
    height: 325px;
    opacity: 0.9;
    background: rgb(231, 241, 248);
    opacity: 0.9;
    display: flex;
    justify-content: center;
    display: none;
}
.nav_three>div:nth-child(1)>p:nth-child(4) a {
    line-height: 1;
    vertical-align: middle;
    font-size:16px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(19,110,214,1);
    display: inline;
}
.nav_three>div:nth-child(1)>p:nth-child(4)>img {
    width: .15rem;
    height: .13rem;
    margin: 0 0;
    margin-left: .27rem;
    vertical-align: middle;
}
.nav_three>div:nth-child(1)>p:nth-child(4)> a img {
    width: .15rem;
    height: .13rem;
    margin: 0 0;
    margin-left: .27rem;
    vertical-align: middle;
}
.nav_three>div:nth-child(1) {
    width: 2.6rem;
    height: 2.26rem;
    margin-left: 3.08rem;
    margin-top: 0.32rem;
}
.nav_three>div:nth-child(1)>p:nth-child(1) {
    font-size: .36rem;
    margin-bottom: .23rem;
    text-align: left;
}
.nav_three>div:nth-child(1)>p:nth-child(2) {
    font-size:.16rem;
    color:rgba(102,102,102,1);
    margin-bottom: .22rem;
    overflow: hidden;
    display: -webkit-box;
    overflow: hidden;  
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
}
.nav_three>div:nth-child(1)>div:nth-child(3) {
    width: 2.6rem;
    height: 2px;
    border-top: 1px dashed rgba(166,166,166,1);
    margin-bottom: 0.29rem;
}
.nav_three>div:nth-child(1)>p:nth-child(4) {
    color: #126ED6;
    font-size: .16rem;
    line-height: 1;
    text-align: left;
}
.nav_three>div:nth-child(1)>p:nth-child(4) a {
    line-height: 1;
    vertical-align: middle;
    font-size:16px;
    font-family:Microsoft YaHei;
    font-weight:400;
    color:rgba(19,110,214,1);
    display: inline;
}
.nav_three>div:nth-child(1)>p:nth-child(4)>img {
    width: .15rem;
    height: .13rem;
    margin: 0 0;
    margin-left: .27rem;
    vertical-align: middle;
}
.nav_three>div:nth-child(2) {
    width: 6.75rem;
    height: 2.26rem;
    border-left: 1px solid rgba(196,196,196,1);
    display: flex;
    margin-left: .21rem;
    margin-top: .32rem;
    text-align: center;
}
.nav_three>div:nth-child(2)>a {
    display:inline-block;
    width: 1.21rem;
    height: 100%;
    margin-left: .12rem;
    font-size: .16rem;
    color: #767676;
    font-weight: 700;
}
.nav_three>div:nth-child(2)>a>div {
    width: 1.21rem;
    background-color: #ccc;
    height: 1.61rem;
}
.nav_three>div:nth-child(2)>a>p {
    margin: 12px auto 16px;
}
.nav_three>div:nth-child(2)>a>span {
    display: block;
    width:20px;
    height:2px;
    background:rgba(18,110,214,1);
    border-radius:1px;
    margin: 0 auto 0;
    display: none;
}
.nav_three>div:nth-child(2)>a:hover {
    color: #126ED6;
}
.nav_three>div:nth-child(2)>a:hover span{
    display: block;
}
