body{padding:0;border:0; margin:0;font-size: 14px;font-weight: normal;color: #333333;}
div,form,img,ul,ol,li,dl,i,u,span,dt,dd,em,i,h1,h2,h3,h4,p{ padding:0; border:0;margin:0;list-style:none;font-style:normal;}
a{text-decoration:none; color:#000; outline:none; cursor:pointer}
a:hover{ text-decoration: none;}
ul,li{list-style: none}
h2,h3{overflow:hidden;text-overflow: ellipsis; white-space: normal; font-weight: normal;}
.atlas_img img,.gallery-top img,.main_about_video img,.swiper-container1 img,.main_news_img img,.sub_banner img,.news_list_img img{ width: 100%; vertical-align: bottom;}

/*wrap*/
.mt60{ margin-top: 60px; }
.mt40{ margin-top:40px;}
.mb40{ margin-bottom: 40px;}
.mt30{ margin-top:30px;}
.mb30{ margin-bottom:30px;}
.pb30{ padding-bottom:30px; }
.pb40{ padding-bottom:40px; }
.pb60{ padding-bottom:60px; }
.wrap{padding-left:8%;padding-right:8%;clear:both; overflow: hidden; box-sizing: border-box;}
.flex{display: flex;}
.flex-justify{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.flex-justify-center{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
.flex-justify-around{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.flex-center{
    display: flex;
    justify-items: center;
    align-items: center;
}

/*header*/
header{
    justify-content: space-between;
    height: 110px;
    background: #20222e;
} 
.main-nav a{
    font-size: 16px;
    color: #fff;
    text-align: center;
}
.main-nav ul li{ margin-left:30px ;padding-top:4.5%;}
.main-nav span{ display: block; font-size: 12px; }
.nav-button{display: none;padding-top: 10px; color: #fff; text-align: center;}
.phone-nav{
    display: none;
    position: absolute;
    top: 110px;
    z-index: 999999999;
    width: 100%;
    height: calc( 100% - 100px);
    background:rgba(0,0,0,.9);
}
.phone-nav > ul > li{
    position: relative;
    padding: 15px;
    margin-left:auto;
    width: 100%;
    font-size: 14px;
    box-sizing: border-box;
    border-bottom: rgba(255,255,255,.2) solid 1px;
    text-align: center;
}
.active,.main-nav li:hover a{ 
   color: #c8d91f!important;
}
.tel{
    margin-top: 20px;
    text-align: center;
    color: #FFF;
    font-size: 20px;
}
.tel_button{
    margin: 10px auto;
    width: 160px;
    height: 50px;
    line-height: 50px;
    background: #d8e836;
    font-size: 14px;
    color: #535826;
    border-radius: 10px;
}

/*底部*/
footer{
    padding: 25px 0 20px 0;
    position: relative;
    box-sizing: border-box;
    background: #20222e;
    color: #fff;
    line-height: 25px;
}
footer a{ color: #fff; font-weight: bold; }
footer dl{ text-align: right; }
footer > dl > dd:nth-child(1) > a{ margin-left: 20px; }
footer > dl > dd{ padding:5px 0; }
.footer_text div:nth-child(2){
    margin-left: 25px;
}
footer span{ color: #c8d91f; }
.link{
    padding-top: 8px;
    padding-bottom: 8px;
    color: #fff; 
    width: 100%;
    background: #20222e;
    border-top: 1px solid #454a59;
}
.link a{
    color: #fff;
}


/*返回顶部按钮*/
.backtop{
    position: fixed;
    bottom:60px; 
    right: 10px; 
    display: none; 
    z-index:999;
    width:36px; 
    height:36px; 
    background:rgba(0,0,0,0.4);
    color: #fff;
    border-radius: 50%;
    cursor:pointer;
}
.backtop .iconfont{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}

/*手机底部按钮*/
.mfoot{display:none;width:100%; height:auto; margin:0 auto;background: rgba(0,0,0,.8);position:fixed; z-index:900; bottom:0;}
.mfoot-li{width:25%;float:left;}
.mfoot-li span{font-size: 25px;}
.mfoot-li a{display:block;width:100%;text-align:center;color:#FFF;}
.mfoot-li a p{line-height:18px; text-align: center;}
.mfoot-li a img {width:30px;vertical-align:middle;}

/*在线客服*/
.kf_conct{position: fixed;z-index: 9999999;top: 210px;right: -127px;cursor: pointer;transition: all .3s ease;}
.kf_bar ul li{width: 180px;height: 53px;font: 16px/53px 'Microsoft YaHei';color: #fff;text-indent: 54px;margin-bottom: 3px;border-radius: 3px;transition: all .5s ease;overflow: hidden;}
.kf_bar .kf_top {background:#81c317 url(/images/fixCont.png) no-repeat 0 0;}
.kf_bar .kf_phone {background: #81c317 url(/images/fixCont.png) no-repeat 0 -57px;}
.kf_yuyue{background: #81c317 url(/images/fixCont.png) no-repeat 0 -113px;}
.kf_yuyue a{ color:#FFF}
.kf_bar .kf_QQ {text-indent: 0;background: #81c317 url(/images/qq.png) no-repeat;}
.kf_QQ a{ display: block;text-indent:54px;width: 100%;height:30px; line-height:30px;color: #fff;}
.kf_bar .kf_ercode {background: #81c317 url(/images/fixCont.png) no-repeat 0 -169px;}
.hd_qr {padding: 0 29px 25px 29px;}

/*弹窗*/
.popup{
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999999999;
    background: rgba(0, 0, 0, .4);
    width: 100%;
    height: 100%;
}
.popup_content{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    padding: 20px;
    box-sizing: border-box;
    width: 480px;
    height: auto;
    border-radius: 10px;
    background: #fff;
    box-shadow: 1px 1px 2px rgba(0, 0, 0, .6);
}
.popup_content h2{
    padding:0 0 30px;
    font-size: 26px;
    text-align: center;
}
.popup_content input{ 
    display: block;
    padding: 0 10px;
    margin: auto auto 20px;
    width: 80%;
    height: 40px;
    border: 1px solid #dcdfe6;
    border-radius: 5px;
}
.popup_content textarea{ 
    display: block;
    padding: 0 10px;
    margin: auto auto 20px;
    width: 80%;
    height:150px;
    border: 1px solid #dcdfe6;
    border-radius: 5px;
}
.popup_content button{
    display: block;
    margin: 0 auto;
    width: 86%;
    border: none;
    height: 40px;
    font-size: 16px;
    background: #81c317;
    color: #fff;
    border-radius: 5px;
}
.popup_content p{
    text-align: center;
    padding-top: 10px;
}
.popup_close{
    position: absolute;
    top: -12px;
    right: -12px;
    overflow: hidden;
    box-sizing: border-box;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #81c317;
    color: #fff;
    text-align: center;
    line-height: 25px;
    border: 4px solid #fff;
    cursor: pointer;
    transition: all 1.5s;
}
.popup_close img{ width: 100%; vertical-align: bottom; }
.popup_close:hover{
    transform: rotateX(720deg);
    -webkit-transform: rotate(720deg);
}

/*媒体查询*/
@media (max-width:1920px) and (min-width:1700px) {
    .wrap{ padding-left:10%; padding-right:10% ; }
    .main-nav ul li {
        text-align: center;
        margin-left: 50px;
        padding-top: 3.5%;
    }
}
@media (max-width:1200px ) and (min-width:991px){
    .phone-nav{display: none!important;}
}
@media (max-width:991px ) and (min-width:770px){
    .kf_conct{ display: none }
    .mt40,.mt60 {margin-top: 20px;}
    .mt30 {margin-top: 15px;}
    .wrap{padding-left:3%;padding-right:3%;}
    .main-nav,.footer_text{display: none;}
    .nav-button{display: block;}
    header{ height:60px }
    header h1{ width: 150px; }
    header img{ width: 100%; visibility: bottom;}
    .nav-button{padding-top: 40px;}
    footer dl{ text-align: center; }
    footer > dl > dd:nth-child(1) > a{margin-left: 10px;}
}
@media (max-width:767px) and (min-width:320px) {
    .kf_conct{ display: none }
    footer dl{ text-align: center; }
    footer > dl > dd:nth-child(1) > a{margin-left: 10px;}
    .mt40,.mt60{margin-top: 20px;}
    .mb40,.mb30{ margin-bottom: 20px;}
    .mt30 {margin-top: 15px;}
    .wrap{padding-left:3%;padding-right:3%;}
    header{ height:60px }
    header h1{ width: 150px; }
    header img{ width: 100%; vertical-align: bottom;}
    .main-nav,.footer_text,.link{display: none!important;}
    .phone-nav{
        display: none;
        top: 60px;
        height: calc( 100% - 60px);
    }
    .phone-nav > ul > li > a{color: #fff;}
    .nav-button{display: block;}
    .phone-nav > ul > li{ padding: 11px }
}