* {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
}

ul {
    list-style: none;
    overflow: hidden;
}

a {
    text-decoration: none;
}
i,em{
    font-style: normal;
    display: block;
}
img{
    border: none;
}
body, html {
    height: 100%;
}
/*  */
.fl {
    float: left;
}

.fr {
    float: right;
}

.baseDiv {
    width: 1350px;
    margin: 0 auto;
    margin-left: auto !important;
    margin-right: auto !important;
}

.about_box {
    margin-top: 50px;
}

.about_box .abfl {
    width: 650px;
}

.abbt {
    text-align: center;
    width: 500px;
    position: relative;
    margin-top: 35px;
}

.abbt span {
    font-family: "Impact";
    color: #efefef;
    font-size: 66px;
}

.abbt b {
    display: block;
    font-size: 35px;
    color: #0f0f0f;
    font-weight: bold;
    position: relative;
    margin-top: -55px;
}

.abbt::before {
    content: '';
    display: block;
    position: absolute;
    top: 35px;
    left: 25px;
    width: 22px;
    height: 31px;
    background-image: url(../images/btimga.png);
}

.abbt::after {
    content: '';
    display: block;
    position: absolute;
    top: 35px;
    right: 25px;
    width: 22px;
    height: 31px;
    background-image: url(../images/btimga.png);
}

.abcon {
    margin-top: 20px;
}

.abcon p {
    font-size: 16px;
    line-height: 42px;
}

.about_box .abfr {
    width: 660px;
    height: 500px;
    border-radius: 15px 15px 15px 70px;
    margin-top: 90px;
}

.about_box .abfr img {
    border-radius: 15px 15px 15px 70px;
}

.changfang {
    margin-top: 30px;
}

/*联系我们单页*/
.map {
    width: 100%
}

.mapa {
    width: 100%;
    height: 550px;
    margin: 0 auto;
    display: block;
}

.conbt {
    text-align: center;
    width: 600px;
    margin: 0 auto;
    position: relative;
    margin-top: 35px;
}

.conbt span {
    font-family: "Impact";
    color: #efefef;
    font-size: 66px;
    text-transform: uppercase;
}

.conbt b {
    display: block;
    font-size: 35px;
    color: #0f0f0f;
    font-weight: bold;
    position: relative;
    margin-top: -55px;
}

.conbt::before {
    content: '';
    display: block;
    position: absolute;
    top: 35px;
    left: 25px;
    width: 22px;
    height: 31px;
    background-image: url(../images/btimga.png);
}

.conbt::after {
    content: '';
    display: block;
    position: absolute;
    top: 35px;
    right: 25px;
    width: 22px;
    height: 31px;
    background-image: url(../images/btimga.png);
}

.contact-box {
    background: url(../images/ly-bg01.png) no-repeat bottom center;
    width: 100%;
    height: 830px;
}

.con-box {
    width: 1300px;
    margin: 0 auto;
    padding: 30px;
    height: 610px;
    background: #fff;
    border-radius: 30px 30px 60px 20px;
    box-shadow: 0 0 30px rgba(40, 55, 96, .15);
    margin-top: 40px;
}

.aj_lxp {
    font-size: 16px;
    text-align: center;
    margin: 20px auto 40px;
    width: 80%;
    line-height: 32px;
    color: #666;
    width: 1200px;
}

.ys_box {
    height: 185px;
    margin-top: 15px;
    background: url(../images/szbj.png) center no-repeat;
}

.ys_box ul {}

.ys_box ul li {
    float: left;
    width: 335px;
    height: 165px;
    text-align: center;
    background: url(../images/xian.png) right center no-repeat;
    padding-top: 42px;
}

.ys_box ul li:nth-child(4) {
    background: initial;
}

.ys_box .div1 {
    position: relative;
}

.ys_box .div1 .span1 {
    font-size: 60px;
    color: #fff;
    font-family: "Arial";
}

.ys_box .div1 .span3 {
    font-size: 16px;
    color: #000;
    width: 35px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    background: #fff;
    border-radius: 50px;
    display: block;
    position: absolute;
    right: 70px;
    top: 30px;
}

.ys_box .div2 .span2 {
    font-size: 18px;
    color: #fff;
}
/*er*/
.er {
    position: absolute;
    width: 100%;
    background: rgba(255,255,255,.8);
    top: 135px;
    left: 0;
    display: none;
}
.er_con {
    width: 1200px;
    margin: 0 auto;
}
.er_con ul li {
    float: left;
    width: 230px;
    margin: 10px 0 10px 8px;
    border-radius: 10px;
    overflow: hidden;
}
.er_con ul li:hover img{
    transform: scale(1.1);
}
.er_con ul li a {
    display: block;
    width: 100%;
    height: 120px;
    overflow: hidden;
}
.er_con ul li a img {
    width: 100%;
    min-height: 120px;
    transition: all 0.6s;
}
.er_con ul li span {
    display: block;
    text-align: center;
    color: #666;
    font-size: 15px;
    width: 100%;
    background: #1d76f8;
    line-height: 30px;
    color: #fff;
}
/*header*/
.header{
position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255,255,255,.3);
    border-bottom:1px #fff solid;
    height: 135px;
    z-index: 111;
}
.h_con{
    width: 100%;
    margin: 0 auto;
    position: relative;
}
.logo,.nav{
    float: left;
}
.logo{
    margin-top: 15px;
    margin-left: 30px;
}
.h_phone{
    float: left;
    margin-top: 45px;
    margin-left: 25px;
}
.nav li{
    float: left;
    margin: 0 18px;
    text-align: center;
    line-height: 135px;
    width: 110px;
}
.nav li a{
    color: #333;
    display: block;
    width: 100%;
    height: 100%;
}
.nav{
    margin-left: 40px;
}
.bar{
    top: 25px;
    right: 0;
    position: absolute;
    width: 145px;
    height: 80px;
    cursor: pointer;
    z-index: 222;
    background: url(../images/bar1.png) center center no-repeat;
}
/*banner*/
.banner{
    height: 100%;
    position: relative;
    margin-top: -110px;
}
.banner .swiper-container {
    height: 100%;
    width: 100%;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
}
.banner .swiper-slide {
    height: 100%;
}

.banner:hover .pagination {
    opacity: 1;
}

.banner:hover .arrow-left {
    opacity: 1;
}

.banner:hover .arrow-right {
    opacity: 1;
}

.banner .pagination {
    position: absolute;
    z-index: 20;
    bottom: 20px;
    text-align: center;
    width: 100%;
    opacity: 0;
    transition: all 0.5s;
}

.banner .swiper-pagination-switch {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #0162ef;
    margin: 0 3px;
    cursor: pointer;
}

.banner .swiper-active-switch {
    width: 15px;
    height: 15px;
    border-radius: 20px;
    background: #fff;
}

.banner .arrow-left {
    background: url(../images/b_arrow.png) no-repeat left bottom;
    position: absolute;
    left: 30px;
    top: 50%;
    margin-top: -25px;
    width: 50px;
    height: 50px;
    z-index: 222;
    opacity: 0;
    transition: all 0.5s;
}
.banner .arrow-right {
    background: url(../images/b_arrow.png) no-repeat right bottom;
    position: absolute;
    right: 30px;
    top: 50%;
    margin-top: -25px;
    width: 50px;
    height: 50px;
    z-index: 222;
    opacity: 0;
    transition: all 0.5s;
}
/*f_b*/
.f_b {
    background: url(../images/h_b_bg.jpg) center center no-repeat;
    height: 150px;
}

.f_b_con {
    width: 1350px;
    margin: 0 auto;
}

.f_b_con ul li {
    float: left;
    color: #fff;
    box-sizing: border-box;
    padding: 30px 0;
    margin: 0 50px;
    position: relative;
    top: 200px;
    opacity: 0;
}

.li_t {
    text-align: center;
}

.li_t i {
    display: inline-block;
    font-size: 62px;
    position: relative;
}

.li_t em {
    display: inline-block;
    font-size: 17px;
}

.li_t p {
    text-align: center;
    color: #fff;
    font-size: 15px;
    margin-top: 5px;
}

.li_t i::after {
    position: absolute;
    top: 0;
    right: -15px;
    content: '+';
    color: #fff;
    font-size: 17px;
}

.f_b_con ul li:nth-child(1) .li_t i::after {
    content: '';
}
/*hot*/
.hot{
    background: url(../images/hot_bg.jpg) center bottom no-repeat;
    margin-top: 60px;
    padding-bottom: 180px;
}
.list_hot{
    position: relative;
    top: 200px;
    opacity: 0;
}
.hot_con,.list_hot{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
}
.list_hot{
    width: 1250px;
}
.list_hot ul{
    position: relative;
}
.list_hot ul li{
    float: left;
    width: 410px;
    height: 290px;
    overflow: hidden;
    position: relative;
    margin: 0 3px;
}
.list_hot ul li a,.list_hot ul li a span{
    display: block;
    width: 100%;
    height: 100%;
}
.list_hot ul li a span img{
    width: 100%;
    height: auto;
    min-height: 290px;
    transition: all 0.6s;
}
.list_hot ul li em{
    width: 100%;
    line-height: 45px;
    text-align: center;
    color: #fff;
    background: rgba(0,0,0,.4);
    position: absolute;
    left: 0;
    bottom: -45px;
    transition: all 0.6s;
}
.list_hot ul li i{
    width: 84px;
    height: 77px;
    background: url(../images/hot.png) center center no-repeat;
    top: 0;
    left: 20px;
    position: absolute;
}
.list_hot ul li:hover img{
    transform: scale(1.1);
}
.list_hot ul li:hover em{
    bottom: 0;
}
.hot_arrl,.hot_arrr{
    width: 65px;
    height: 65px;
    background-image: url(../images/icon1.png);
    position: absolute;
    top: 105px;
    cursor: pointer;
}
.hot_arrl{
    background-position: -130px -2px;
    left: 0;
}
.hot_arrr{
    background-position: -207px -3px;
    right: 0;
}
/*pro*/
.pro{
    margin-top: -100px;
}
.pro_tit{
    text-align: center;
    width: 575px;
    margin: 0 auto;
    position: relative;
    top: 200px;
    opacity: 0;
}
.pro_tit h3{
    background: url(../images/tit.png) top left no-repeat;
    height: 92px;
    box-sizing: border-box;
    padding-top: 7px;
    width: 390px;
    padding-left: 202px;
    margin: 0 auto;
    color: #333;
}
.pro_tit h3 em{
    font-size: 26px;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: -1px;
}
.pro_tit h3 i{
    font-size: 36px;
    font-weight: bold;
    margin-top: -8px;
}
.pro_tit p{
    font-size: 15px;
    color: #666;
    line-height: 25px;
    margin-top: 20px;
    width: 575px;
    margin: 0 auto;
}
.pro_list{
    margin: 30px 0;
    position: relative;
    top: 200px;
    opacity: 0;
    background: url(../images/pro_list_bg.jpg) center center no-repeat;
}
.pro_list_con{
    width: 95%;
    margin: 0 auto;
    overflow: hidden;
}
.pro_list_con ul{
    position: relative;
}
.pro_list_con ul li{
    width: 13.2%;
    overflow: hidden;
    float: left;
    margin-right: 0.65%;
    
}
.pro_list_con ul li a{
    display: block;
    width: 100%;
    height: 100%;
}
.pro_list_con ul li span{
    display: block;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 3px 3px rgba(0,0,0,.2);
    border: 8px solid #fff;
    transition: all 0.6s;
    transform: rotateZ(360deg);
}
.pro_list_con ul li:hover span{
    transform: rotateZ(0);
}
.pro_list_con ul li:hover em{
    background: #0565f0;
}
.pro_list_con ul li em{
    width: 76%;
    margin: 0 auto;
    line-height: 40px;
    border-radius: 20px;
    background: #4390ff;
    margin-top: 8px;
    text-align: center;
    color: #fff;
}
.pro_litpic{
    width: 95%;
    margin: 0 auto;
    overflow: hidden;
    height: 730px;
    position: relative;
    top: 200px;
    opacity: 0;
}
.pro_litpic ul li{
    float: left;
    width: 24.6%;
    margin: 0.4% 0.2% ;
    overflow: hidden;
    height: 350px;
    position: relative;
}
.pro_litpic ul li a{
    display: block;
    width: 100%;
    height: 100%;
}
.litpic_img{
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: block;
    transition: all 0.6s;
}
.pro_litpic ul li:hover .litpic_img{
    transform: scale(1.1);
}
.pro_litpic ul li p{
    width: 100%;
    line-height: 50px;
    background: #fff;
    height: 50px;
    color: #333;
    position: absolute;
    bottom: 0;
    left: 0;
    box-sizing: border-box;
    padding: 0 3px;
    border-bottom: 1px solid #ececec;
    box-shadow: 0 0 5px rgba(0,0,0,.3);
}
.pro_litpic ul li p::after{
    content: '';
    display: block;
    width: 30px;
    height: 30px;
    background: url(../images/icon1.png) -355px -21px no-repeat;
    position: absolute;
    right: 10px;
    top: 10px;
}
.pro_litpic ul li p em,.pro_litpic ul li p i{
    display: inline-block;
}
.pro_litpic ul li p em::after{
    content: '';
    width: 1px;
    height: 15px;
    background: #d0d0d0;
    margin-left: 5px;
    display: inline-block;
    margin-bottom: -2px;
    transition: all 0.6s;
}
.pro_litpic ul li:hover .pro_cover{
    top: 0;
}
.pro_cover{
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(67,144,255,.9);
    text-align: center;
    transition: all 0.6s;
}
.pro_cover h3,.pro_cover h4{
    font-weight: normal;
    color: #fff;
    text-align: center;
}
.pro_cover span{
    display: block;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    border: 2px dotted #fff;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}
.pro_cover span em{
    width: 37px;
    height: 37px;
    background: url(../images/icon1.png) -299px -15px no-repeat;
    margin: 60px auto 15px auto;
}
.pro_cover span h3 i{
    display: inline-block;
}
.pro_cover span h3 i::before{
    content: '';
    display: inline-block;
    width: 1px;
    height: 13px;
    background: #c3cede;
    margin: 0 5px;
}
.pro_cover span h3{
    font-size: 18px;
}
.pro_cover span h4{
    font-size: 32px;
    margin-top: 3px;
}
.pro_go {
    height: 9999px;
}
/*com*/
.com{
    padding: 80px 0 245px 0 ;
    background: url(../images/com_bg.jpg) center bottom no-repeat; 
}
.com_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
}
.com_l{
    float: left;
    width: 620px;
    position: relative;
    left: -300px;
    opacity: 0;
}
.com_l p{
    font-size: 15px;
    color: #333;
    margin-top: 26px;
    line-height: 27px;
}
.com_l a{
    display: block;
    width: 495px;
    height: 46px;
    line-height: 46px;
    border-radius: 23px;
    border: 1px solid #ccc;
    background: #4390ff;
    position: relative;
    margin-top: 36px;
}
.com_l a em{
    color: #333;
    width: 195px;
    height: 46px;
    background: #fff;
    text-align: center;
    border-radius: 23px;
    position: absolute;
    top: 0;
    left: 0;
}
.com_l a em,.com_l a i{
    display: inline-block;
    vertical-align: middle;
}
.com_l a i{
    font-weight: bold;
    color: #fff;
    padding-left: 207px;
}
.com_l a i h3{
    font-size: 30px;
    font-family: 'impact';
    display: inline-block;
    vertical-align: middle;
    margin-left: 10px;
    font-weight: normal;
    margin-bottom: 4px;
}
.com_r{
    float: right;
    position: relative;
    right: -300px;
    opacity: 0;
}
/*case*/
.case{
    background: url(../images/case_bg.jpg) center center no-repeat;
}
.case_tit{
    text-align: center;
}
.case_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
    padding: 50px 0;
}
.case_l{
    float: left;
    width: 360px;
    overflow: hidden;
    height: 520px;
}
.case_l ul{
    position: relative;
}
.case_b{
    overflow: hidden;
    margin-top: 30px;
    position: relative;
    top: 200px;
    opacity: 0;
}
.case_l ul li{
    width: 360px;
    height: 180px;
    overflow: hidden;
    margin: 5px 0;
}
.case_l ul li a{
    display: block;
    width: 100%;
    height: 100%;
    
}
.case_l ul li img{
    width: 100%;
    min-height: 180px;
}
.case_r{
    float: right;
    position: relative;
    width: 980px;
    height: 520px;
    background-size: cover;
}
.case_r img{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-height: 560px;
}
.case_r>span{
    display: block;
    width: 100%;
    background: rgba(0,0,0,.4);
    position: absolute;
    bottom: 0;
    left: 0;
    height: 80px;
}
.num1{
    color: #fff;
    position: absolute;
    top: -40px;
    left: 40px;
    height: 120px;
    width: 95px;
    background: #f88b04;
    text-align: center;
    padding: 20px 0;
    box-sizing: border-box;
}
.num1 i{
    font-size: 42px;
    font-style: italic;
}
.num1 em{
    display: block;
    height: 2px;
    width: 30px;
    background: #fff;
    margin: 10px auto;
}
.case_more{
    width: 830px;
    float: right;
    overflow: hidden;
    line-height: 80px;
    color: #fff;
    font-size: 17px;
}
.case_more span{
    float: left;
}
.case_more a{
    float: right;
    display: block;
    width: 45px;
    height: 45px;
    background: url(../images/icon1.png) -141px -83px #f88b04;
    border-radius: 50%;
    margin: 19px;
}
/*adv*/
.adv{
    position: relative;
    background: url(../images/adv_bg.jpg) center center no-repeat;
    height: 900px;
}
.adv_con{
    width: 1350px;
    margin: 0 auto;
    height: 900px;
}
.adv_tit,.adv_phone{
    text-align: center;
    position: relative;
    top: -200px;
    opacity: 0;
}
.adv_tit img{
    margin-top: 50px;
}
.adv_phone{
    margin-top: 10px;
}
.adv_list{
    width: 100%;
    position: relative;
    height: 570px;
}
.adv_list ul li{
    position: absolute;
    width: 220px;
    height: 220px;
    border: 15px solid rgba(255,255,255,.4);
    overflow: hidden;
    border-radius:50%;
    cursor: pointer;
    background: #fff;
    text-align: center;
    box-shadow: 0 0 8px 5px rgba(0, 0, 0, 0.1);
    transition: all 0.8s;
}
.adv_list ul li:hover{
    transform: rotateY(360deg);
}
.adv_list ul li:hover .adv_img{
    opacity: 1;
}
.adv_list ul li:hover .adv_des{
    opacity: 0;
}
.adv_img,.adv_des{
    transition: all 0.4s;
}
.adv_img img{
    width: 100%;
    height: auto;
    min-height: 250px;
}
.big_circle{
    position: absolute;
    bottom: -170px;
    left: 50%;
    margin-left: -280px ;
}
.adv_list ul li:nth-child(1){
    bottom: 0;
    /* left: 50px; */
    left: -200px;
    opacity: 0;
}
.adv_list ul li:nth-child(1) span{
    display: block;
    background: url(../images/adv11.png) top left no-repeat;
    width: 80px;
    height: 65px;
    margin: 23px 0px 10px 67px;
}
.adv_list ul li:nth-child(2){
    bottom: 267px;
    /* left: 265px; */
    left: -200px;
    opacity: 0;
}
.adv_list ul li:nth-child(2) span{
    display: block;
    background: url(../images/icon11.png) -5px -127px;
    width: 80px;
    height: 65px;
    margin: 23px 0px 10px 87px;
}
.adv_list ul li:nth-child(3){
    bottom: 267px;
    /* right: 265px; */
    right: -200px;
    opacity: 0;
}
.adv_list ul li:nth-child(3) span{
    display: block;
    background: url(../images/icon11.png) -216px -61px;
    width: 80px;
    height: 65px;
    margin: 23px 0px 10px 75px;
}
.adv_list ul li:nth-child(4){
    bottom: 0;
    right: 50px;
    right: -200px;
    opacity: 0;
}
.adv_list ul li:nth-child(4) span{
    display: block;
    background: url(../images/icon11.png) -216px -138px;
    width: 80px;
    height: 65px;
    margin: 23px 0px 10px 68px;
}
.adv_img{
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}
.adv_des em{
    font-size: 30px;
    font-weight: bold;
    color: #001f79;
}
.adv_des p{
    width: 174px;
    margin: 12px auto 0 auto;
}
/*news*/
.news{
    background: url(../images/news_bg.jpg) center center no-repeat;
    padding: 190px 0 30px 0;
}
.news_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
}
.news_l{
    float: left;
    width:595px;
}
.news_l a{
    display: block;
    width:100%;
    height:100%;
}
.news_l span{
    display: block;
    width: 100%;
    height: 345px;
    overflow: hidden;
}
.news_l span img{
    width: 100%;
    height: auto;
    min-height: 345px;
    transition: all 0.6s;
}
.news_l:hover img{
    transform: scale(1.1);
}
.news_l_des{
    position: relative;
    background: #fff;
    padding: 20px;
    box-sizing: border-box;
    height: 118px;
}
.news_l_des i{
    color: #333;
    font-size: 18px;
    transition: all 0.6s;
}
.news_l:hover i{
    margin-left: 15px;
    color: #1c71ea;
}
.news_l_des p{
    font-size: 15px;
    color: #666;
    line-height: 25px;
    margin-top: 5px;
}
.news_l_des em{
    position: absolute;
    right: 10px;
    bottom: 10px;
    width: 25px;
    height: 25px;
    text-align: center;
    line-height: 25px;
    font-size: 14px;
    color: #fff;
    background: #dd0510;
}
.news_r{
    float: right;
}
.news_r ul li{
    width: 725px;
    height: 140px;
    background: #fff;
    box-sizing: border-box;
    position: relative;
    padding: 30px;
    box-shadow: 0px 2px 5px rgba(0,0,0,.1);
    margin: 5px 5px 19px 5px;
}
.news_r ul li.active{
    background: #1c71ea;
}
.news_r ul li.active a{
    color: #fff;
}
.news_r ul li.active a i{
    position: absolute;
    right: 30px;
    top: 31px;
    font-size: 15px;
    color: #8fb5ec;
}
.news_r ul li.active a p{
    color: #fff;
}
.news_r ul li a{
    display: block;
    width: 100%;
    height: 100%;
    color: #333;
}
.news_r ul li a em{
    font-size: 17px;
    transition: all 0.6s;
}
.news_r ul li.active em{
    margin-left: 15px;
}
.news_r ul li a i{
    position: absolute;
    right: 30px;
    top: 30px;
    font-size: 15px;
    color: #999;
}
.news_r ul li a p{
    font-size: 15px;
    margin-top: 10px;
    line-height: 25px;
    color: #666;
}
/*f_t*/
.f_t{
    background: url(../images/f_t_bg.jpg) center center no-repeat;
    width: 100%;
    height: 290px;
}
.f_t_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
    color: #fff;
    box-sizing: border-box;
    padding: 79px 20px;
}
.f_t_zi{
    float: left;
    width: 600px;
}
.f_t_zi h3{
    font-size: 45px;
}
.f_t_zi p{
    font-size: 17px;
    line-height: 25px;
    margin-top: 15px;
}
.f_m{
    float: left;
    margin-left: 170px;
    position: relative;
}
.f_m::after{
    content: '';
    display: block;
    clear: both;
}
.f_m::before{
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: -85px;
    width: 1px;
    height: 150px;
    background: #7db4f1;
}
.f_m span{
    float: left;
    width: 145px;
    height: 145px;
    overflow: hidden;
}
.f_m span img{
    width: 100%;
    height: auto;
    min-height: 145px;
}
.f_m em{
    float: left;
    margin-left: 20px;
    margin-top: 30px;
}
.f_m em p{
    font-size: 25px;
}
.f_m em i{
    font-size: 38px;
    margin-top: 9px;
}
/*footer*/
.footer{
    background: #1d242c;
}
.f_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
}
.f_top{
    overflow: hidden;
    padding: 60px 0;
}
.f_top div{
    float: left;
}
.f_nav{
    width: 420px;
}
.f_nav ul li{
    float: left;
    width: 48%;
    font-size: 15px;
    line-height: 55px;
    color: #fff;
    margin-left: 8px;
}
.f_nav ul li::before{
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border: 4px solid;
    border-color: transparent transparent transparent #fff;
    margin-right: 10px;
    vertical-align: middle;
}
.f_nav ul li a{
    color: #cecfd0;
}
.f_ewm{
    width: 420px;
    overflow: hidden;
    margin: 0 127px 0 40px;
}
.f_ewm span{
    float: left;
    width: 210px;
    box-sizing: border-box;
    padding: 40px 0;
}
.f_ewm span:nth-child(1){
    border-left: 1px solid #52595f ;
    border-top: 1px solid #52595f ;
    border-bottom: 1px solid #52595f ;
}
.f_ewm span:nth-child(2){
    border: 1px solid #52595f;
}
.f_ewm span em{
    width: 130px;
    height: 130px;
    overflow: hidden;
    margin: 0 auto;
}
.f_ewm span em img{
    width: 100%;
    height: auto;
    min-height: 130px;
}
.f_ewm span i{
    color: #cecfd0;
    text-align: center;
    margin-top: 12px;
}
.f_contact h3{
    font-size: 30px;
    color: #fff;
    margin-bottom: 10px;
}
.f_contact h3 em{
    display: inline-block;
    vertical-align: middle;
    font-size: 16px;
    color: #cecfd0;
    font-weight: normal;
    margin-bottom: 4px;
}
.san{
    margin: 25px 0;
}
.san li{
    float: left;
    position: relative;
    margin-right: 80px;
}
.san li::after{
    content: '';
    display: block;
    width: 1px;
    height: 46px;
    background: #30363e;
    right: -40px;
    top: 0;
    position: absolute;
}
.san li:last-child::after{
    background: transparent;
}
.san li span{
    display: block;
    width: 28px;
    height: 28px;
    background-image: url(../images/icon1.png);
    background-repeat: no-repeat ;
}
.san li:nth-child(1) span{
    background-position: -13px -88px;
}
.san li:nth-child(2) span{
    background-position: -51px -90px;
}
.san li:nth-child(3) span{
    background-position: -90px -90px;
}
.san li i{
    text-align: center;
    font-size: 17px;
    margin-top: 5px;
    color: #cecfd0;
}
.san_des {
    width: 280px;
    height: 50px;
    line-height: 50px;
    background: #fff;
    border-radius: 5px;
    box-sizing: border-box;
    padding: 5px;
    position: relative;
}
.san_des li:nth-child(1){
    display: block;
}
.san_des li:nth-child(2){
    font-size: 22px;
}
.san_des li{
    position: absolute;
    top: 0;
    left: 0;
    display: none;
    box-sizing: border-box;
    padding: 0 20px;
    font-size: 28px;
    text-align: center;
    width: 280px;
    color: #333;
}
.san_des li:nth-child(3){
    font-size: 20px;
    line-height: 50px;
}
.f_bottom{
    overflow: hidden;
    line-height: 60px;
}
.f_bottom a,.f_bottom{
    color: #585c61;
}
.f_bottom p{
    text-align: center;
}
.f_bottom a img{
    display: inline-block;
    vertical-align: middle;
    height: 30px;
    margin-left: 20px;
}
.f_bottom ul{
    float: right;
}
.f_bottom ul span{
    float: left;
}
.f_bottom ul li{
    float: left;
    margin: 0 8px;
}
@media screen and (max-width:1900px) {
    .h_con{
        width: 100%;
    }
    .h_phone,.search{
        display: none;
    }
}
@media screen and (max-width:1880px){
    .nav li{
        margin: 0 5px;
    }
}
@media screen and (max-width:1600px) {
    .h_con{
        width: 100%;
    }
    .h_phone,.search{
        display: none;
    }
}