@font-face {
    font-family: "SOURCEHANSANSCN-REGULAR";
    src: url("../fonts/sourcehansanscn-regular.woff2") format("woff2"),
         url("../fonts/sourcehansanscn-regular.woff") format("woff"),
         url("../fonts/sourcehansanscn-regular.ttf") format("truetype"),
         url("../fonts/sourcehansanscn-regular.eot") format("embedded-opentype"),
         url("../fonts/sourcehansanscn-regular.svg") format("svg");
    font-weight: normal;
    font-style: normal;
  }
  *{
      box-sizing: border-box;
      margin: 0;
      padding: 0;
      font-family: "微软雅黑";
      /* text-transform:uppercase; */
  }
*::after{
    content: '';
}
html,body{
    position:relative;
    height:auto;
}
li{
    list-style: none;
}
a{
    text-decoration: none;
}
b,i,u,s{
    display: inline-block;
    font-style: normal;
    font-weight: normal;
}
img{
    max-width: 100%;
    display: block;
}
.lf{
    float: left;
}
.rt{
    float: right;
}
.clearFloat::after{/* 清除浮动影响 */
    content: "";
    display: block;
    visibility: hidden;
    height: 0;
    clear: both;
}
.clearFloat{
    zoom: 1;
    clear: both;
}
.ma_rt{
    margin-right: 0px !important;
}
.ma_lf{
    margin-left: 0px !important;
}
.bac{
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
@keyframes shan{
    0%{
        opacity: 0;
    }
    100%{
        opacity: 1;
    }
}
@keyframes chang{
    0%{
        width: 0%;
    }
    100%{
        width: 100%;
    }
}
@media screen and (max-width:640px){
    html{
        font-size: 50px !important;
    }
}
/* *****************************导航********************* */
.nav{
    position: fixed;
    top: 0%;
    z-index: 99;
    height: 1rem;
    width: 100%;
    padding: 0% 5%;
    background: #fff;
}
.nav.two,.nav.three{
    position: absolute;
}
.nav.two>ul>li>a {
    color: #646464;
}
.nav.three>ul>li>a {
    color: #fff;
}
.nav.four{
    background-color: #fff;
}
.nav.four>ul>li>a {
    color: #646464;
}
.phdh,.nav>div{
    display: none;
}
.nav>div{
    float: right;
    width: 9%;
    margin-top: .2rem;
    transition: .8s;
    -webkit-transition: .8s;
    -moz-transition: .8s;
    -ms-transition: .8s;
    -o-transition: .8s;
    transform: rotate(0deg);
    -webkit-transform: rotate(0deg);
    -moz-transform: rotate(0deg);
    -ms-transform: rotate(0deg);
    -o-transform: rotate(0deg);
}
.nav>div.on{
    transform: rotate(90deg);
    -webkit-transform: rotate(90deg);
    -moz-transform: rotate(90deg);
    -ms-transform: rotate(90deg);
    -o-transform: rotate(90deg);
}
.nav>span{
    width: 10%;
    display: block;
    float: left;
    margin-top: .2rem;
    position: relative;
}
.nav>span>img{
    max-width: 240px;
    width: 240px;
    height: auto;
    position: absolute;
    opacity: 0;
    transition: .8s;
    -webkit-transition: .8s;
    -moz-transition: .8s;
    -ms-transition: .8s;
    -o-transition: .8s;
    z-index: 5;
}
.nav>span>img:nth-child(2){
    opacity: 1;
    z-index: 10;
}
.nav.on>span>img:nth-child(1){
    opacity: 0;
    z-index: 0;
}
.nav.on>span>img:nth-child(2){
    opacity: 1;
}
.nav.two>span>img:nth-child(1) {
    opacity: 0;
    z-index: 0;
}
.nav.three>span>img:nth-child(2){
    opacity: 0;
}
.nav.three>span>img:nth-child(1) {
    opacity: 1;
    z-index: 10;
}
.nav.two>span>img:nth-child(2){
    opacity: 1;
}
.nav.four>span>img:nth-child(2){
    opacity: 1;
}
.nav.four>span>img:nth-child(1) {
    opacity: 0;
    z-index: 10;
}
.nav>ul{
    width: 60%;
    height: 100%;
    float: right;
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
}
.nav>ul>li{
    font-size: .16rem;
    color: #333;
    position: relative;
    float: left;
    margin-left: 6%;
    line-height: 1rem;
    cursor: pointer;
    transition: .5s;
    -webkit-transition: .5s;
    -moz-transition: .5s;
    -ms-transition: .5s;
    -o-transition: .5s;
    position: relative;
}
.nav.on>ul>li {
    color: #646464;
}
.nav.two>ul>li {
    color: #646464;
}
.nav.three>ul>li {
    color: #fff;
}
.nav.four>ul>li {
    color: #646464;
}
.nav>ul>li>a{
    color: #fff;
    transition: .5s;
    -webkit-transition: .5s;
    -moz-transition: .5s;
    -ms-transition: .5s;
    -o-transition: .5s;
}
.nav.on>ul>li>a{
    color: #646464;
}
.nav>ul>li:hover,.nav>ul>li:hover>a{
    color: #f5a702;
}
.nav>ul>li>i{
    transform: translate(0.1rem,-.06rem);
    -webkit-transform: translate(0.1rem,-.06rem);
    -moz-transform: translate(0.1rem,-.06rem);
    -ms-transform: translate(0.1rem,-.06rem);
    -o-transform: translate(0.1rem,-.06rem);
    position: relative;
    width: 10px;
}
.nav>ul>li>i>img{
    position: absolute;
    z-index: 5;
    opacity: 0;
    transition: .8s;
    -webkit-transition: .8s;
    -moz-transition: .8s;
    -ms-transition: .8s;
    -o-transition: .8s;
}
.nav>ul>li>i>img:nth-child(1){
    opacity: 1;
    z-index: 10;
}
.nav.on>ul>li>i>img:nth-child(1){
    opacity: 0;
    z-index: 0;
}
.nav.on>ul>li>i>img:nth-child(2){
    opacity: 1;
    z-index: 10;
}
.nav.two>ul>li>i>img:nth-child(1){
    opacity: 0;
    z-index: 0;
}
.nav.two>ul>li>i>img:nth-child(2){
    opacity: 1;
    z-index: 10;
}
.nav.three>ul>li>i>img:nth-child(1){
    opacity: 1;
    z-index: 10;
}
.nav.three>ul>li>i>img:nth-child(2){
    opacity: 0;
    z-index: 0;
}
.nav.four>ul>li>i>img:nth-child(1){
    opacity: 0;
    z-index: 0;
}
.nav.four>ul>li>i>img:nth-child(2){
    opacity: 1;
    z-index: 10;
}
.nav>ul>li:hover>i>img{
    opacity: 0 !important;
}
.nav>ul>li:hover>i>img:nth-child(3){
    opacity: 1 !important;
}
.nav>ul>li>ul{
    line-height: 3;
    transform: scaleY(0) translateX(-25%);
    transform-origin: top;
    transition: .5s;
    -webkit-transform: scaleY(0) translateX(-25%);
    -moz-transform: scaleY(0) translateX(-25%);
    -ms-transform: scaleY(0) translateX(-25%);
    -o-transform: scaleY(0) translateX(-25%);
    -webkit-transition: .5s;
    -moz-transition: .5s;
    -ms-transition: .5s;
    -o-transition: .5s;
    text-align: center;
    width: 200%;
    background-color: #aaa;
    color: #fff;
    padding: 20% 0%;
    border-radius: 10px;
    position: absolute;
}
/*.nav>ul>li:nth-child(2)>ul{
    width: 300%;
    text-align: left;
    transform: scaleY(0) translateX(-32%);
    -webkit-transform: scaleY(0) translateX(-32%);
    -moz-transform: scaleY(0) translateX(-32%);
    -ms-transform: scaleY(0) translateX(-32%);
    -o-transform: scaleY(0) translateX(-32%);
}*/
/*.nav>ul>li:nth-child(2)>ul>li{
    padding-left: 10%;
}*/
.nav>ul>li:hover>ul{
    transform: scaleY(1) translateX(-25%);
    -webkit-transform: scaleY(1) translateX(-25%);
    -moz-transform: scaleY(1) translateX(-25%);
    -ms-transform: scaleY(1) translateX(-25%);
    -o-transform: scaleY(1) translateX(-25%);
}
/*.nav>ul>li:nth-child(2):hover>ul{
    transform: scaleY(1) translateX(-32%);
    -webkit-transform: scaleY(1) translateX(-32%);
    -moz-transform: scaleY(1) translateX(-32%);
    -ms-transform: scaleY(1) translateX(-32%);
    -o-transform: scaleY(1) translateX(-32%);
}*/
.nav>ul>li>ul>li{
}
.nav>ul>li>ul>li>a{
    color: #fff;
    transition: .5s;
    -webkit-transition: .5s;
    -moz-transition: .5s;
    -ms-transition: .5s;
    -o-transition: .5s;
}
.nav>ul>li>ul>li:hover>a{
    color: #f5a702;
}
.top1{
    position: relative;
}
.top1>img{
    width: 100%;
}
.top1>.top1_lf{
    position: absolute;
    top: 2.66rem;
    left: 1.6rem;
}
.top1>.top1_lf>h3{
    font-size: .36rem;
    color: #fff;
    font-weight: 400;
    margin-bottom: .19rem;
}
.top1>.top1_lf>p{
    font-size: .18rem;
    color: #fff;
}
.footer{
    background-color: #535353;
    float: left;
    padding: .6rem 1.6rem 0 1.6rem;
    width: 100%;
}
.footer>.footer_1{
    float: left;
    clear: both;
    width: 100%;
    border-bottom: 1px solid rgba(125,125,125,0.3);
    padding-bottom: .3rem;
}
.footer>.footer_1>span{
    width: 19%;
}
.footer>.footer_1>.foot_ul1{
    width: 60%;
    padding-left: 1rem;
}
.footer>.footer_1>.foot_ul1>li{
    float: left;
    width: 23%;
    line-height: 2;
}
.footer>.footer_1>.foot_ul1>li:first-child {
    width: 30%;
}
.footer>.footer_1>.foot_ul1>li>b{
    display: block;
    font-size: .18rem;
    color: #fff;
    text-align: left;
    margin-bottom: .29rem;
}
.footer>.footer_1>.foot_ul1>li>a{
    display: block;
    font-size: .16rem;
    color: #CBCBCB;
    text-align: left;
}
.footer>.footer_1>.foot_ul2{
    width: 12%;
}
.footer>.footer_1>.foot_ul2>li{
    font-size: .16rem;
    color: #FEFEFE;
    text-align: left;
    line-height: 2;
}
.footer>.footer_1>.foot_ul2>li:nth-child(1),
.footer>.footer_1>.foot_ul2>li:nth-child(4){
    font-size: .18rem;
}
.footer>.footer_1>.foot_ul2>li.ful2_li{
    margin-bottom: .15rem;
}
.footer>.footer_1>div{
    margin-top: .1rem;
    width: 7%;
}
.footer>.footer_1>div>span{
    display: block;
    width: 100%;
}
.footer>.footer_1>div>p{
    font-size: 14px;
    color: #FEFEFE;
    text-align: center;
    line-height: 3;
}
.footer>.footer_2{
    width: 100%;
    line-height: 5;
}
.footer>.footer_2>p{
    font-size: .14rem;
    color: #CDCDCD;
}
.footer>.footer_2>b{
    font-size: .14rem;
    color: #CDCDCD;
}
.phdh>div{
    position: absolute;
    bottom: 20%;
    left: 42%;
    width: 30%;
}
.phdh>div>a{
    font-size: 16px;
    color: #333;
}
.phdh>div>a:first-child{
    margin-right: 10%;
}
@media screen and (max-width:1440px){
    .nav>ul {
        width: 80%;
    }
    .nav>ul>li{
        font-size: 15px;
    }
    .foot>ul>li {
        margin-right: 4%;
    }
}
@media screen and (max-width:1366px){
    .foot>ul>li {
        margin-right: 4%;
    }
}
@media screen and (max-width:1280px){
    .nav>ul {
        width: 80%;
    }
    .footer>.footer_1>.foot_ul1 {
        width: 55%;
    }
    .footer>.footer_1>.foot_ul2 {
        width: 15%;
    }
    .nav>ul>li{
        margin-left: 8%;
    }
}

@media screen and (max-width:768px){
    .nav>ul>li {
        margin-left: 5%;
    }
    .nav>ul>li>i {
        transform: translate(0.1rem,-.15rem);
        -webkit-transform: translate(0.1rem,-.15rem);
        -moz-transform: translate(0.1rem,-.15rem);
        -ms-transform: translate(0.1rem,-.15rem);
        -o-transform: translate(0.1rem,-.15rem);
    }
}
@media screen and (max-width:540px){
    .top1>.top1_lf {
        top: 1rem;
        left: .8rem;
    }
    .footer {
        padding: .6rem .6rem 0 .6rem;
    }
    .footer>.footer_1>.foot_ul1 {
        width: 100%;
        padding-left: 5%;
        margin-bottom: 10%;
    }
    .footer>.footer_1>span {
        width: 100%;
    }
    .footer>.footer_1>.foot_ul2,
    .footer>.footer_1>div {
        width: 50%;
    }
    .footer>.footer_1>div>span>img{
        margin: 0 auto;
    }
    .footer>.footer_2 {
        line-height: 2;
    }
    .footer>.footer_2>p {
        padding-top: 5%;
    }
    .phdh{
        display: block;
        width: 100%;
        height: 100%;
        position: fixed;
        top: 0%;
        left: 0%;
        background-color: #fff;
        z-index: 30;
        padding-top: 30%;
        transition: 1s;
        transform: translateY(-100%);
        -webkit-transform: translateY(-100%);
        -moz-transform: translateY(-100%);
        -ms-transform: translateY(-100%);
        -o-transform: translateY(-100%);
        -webkit-transition: 1s;
        -moz-transition: 1s;
        -ms-transition: 1s;
        -o-transition: 1s;
    }
    .phdh.active{
        transform: translateY(0);
        -webkit-transform: translateY(0);
        -moz-transform: translateY(0);
        -ms-transform: translateY(0);
        -o-transform: translateY(0);
}
    .nav>span {
        width: 30%;
    }
    .nav>ul{
        display: none;
    }
    .nav>div{
        display: block;
    }
    .nav>div.rt {
        margin-top: 2px;
        display: none;
    }
    .nav>div.rt>a {
        font-size: 16px;
        color: #fff;
    }
    div.phdh>ul{

    }
    div.phdh>ul>li{
        font-size: .4rem;
        text-align: center;
        color: #333;
        margin-bottom: 5%;
    }
    div.phdh>ul>li>a{
        width: 100%;
        display: block;
        text-align: center;
        color: #333;
    }
    div.phdh>ul>li>ul{
        line-height: 1.2;
        display: none;
    }
    div.phdh>ul>li:hover>ul{
        display: block;
    }
    div.phdh>ul>li>ul>li>a{
        color: #333;
        font-size: .25rem;
    }
    .footer>.footer_1>.foot_ul1>li>b{
        font-size: .3rem;
    }
    .footer>.footer_1>.foot_ul1>li>a,
    .footer>.footer_1>.foot_ul2>li{
        font-size: .25rem;
    }
}
/*.foot a{color: #fff;}*/