*{
    margin: 0;
    padding: 0;
    font-family:Arial, Helvetica, sans-serif ;
}
a{
    text-decoration: none;
}
ul{
    list-style: none;
    overflow: hidden;
}
img{
    border: none;
}
i,em{
    font-style: normal;
    display: block;
}
.clear::after{
    content: '';
    display: block;
    clear: both;
}
.wid{
    width: 1350px;
    margin: 0 auto;
}
.f_l{
    float: left;
}
.f_r{
    float: right;
}
/*header*/
.header{
    width: 100%;
    height: 110px;
    background: #0daa7c;
    position: relative;
    z-index: 111;
    box-shadow: 0 0 5px rgba(0,0,0,.3);
}
.h_con{
    margin: 0 auto;
    position: relative;
    width: 80%;
}
.logo{
    position: absolute;
    left: 0;
    top: 0;
}
.nav{
    margin-right: 40px;
}
.nav li{
    float: left;
    width: 110px;
    height: 110px;
    text-align: center;
    line-height: 110px;
    position: relative;
    margin: 0 5px;
}
.nav li::before{
    content: '';
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 30px;
    height: 40px;
    background: url(../image/icon.png) -10px -7px no-repeat;
    display: none;
}
.nav li a{
    display: block;
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 111;
    color: #fff;
}
.nav li.active::before,.nav li.active a::before,.nav li.active a::after{
    display: block;
}
.nav li a::before,.nav li a::after{
    content: '';
    display: block;
    position: absolute;
    width: 1px;
    height: 20px;
    background: #60c7a9;
    left: 50%;
    margin-left: -0.5px;
    display: none;
}
.nav li a::before{
    top: 0;
}
.nav li a::after{
    bottom: 0;
}
.h_r{
    margin-top: 45px;
}
.h_r ul{
    overflow: inherit;
}
.h_r ul li{
    float: left;
    position: relative;
    margin: 0 20px;
    cursor: pointer;
}
.h_r ul li em{
    width: 16px;
    height: 20px;
    background-image: url(../image/icon.png) ;
}
.h_r ul li:nth-child(1) em{
    background-position: -61px -19px;
}
.h_r ul li:nth-child(2) em{
    background-position: -93px -19px;
}
.h_r ul li i{
    position: absolute;
    background: #fff;
    border-radius: 3px;
    padding: 5px;
    top: 50px;
    left: 50%;
    transform: translateX(-50%);
    box-shadow: 0 2px 3px rgb(191 191 191);
    display: none;
}
.h_r ul li i::before{
    content: '';
    width: 0;
    height: 0;
    border-width: 7px;
    border-style: solid;
    border-color: transparent transparent white transparent;
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
}
.h_phone{
    width: 205px;
    height: 40px;
    line-height: 40px;
    font-size: 28px;
    color: #d00707;
    letter-spacing: -1px;
    text-align: center;
}
.h_code{
    width: 120px;
    height: 120px;
}
.h_code img{
    width: 100%;
    height: 100%;
}
/*banner*/
.banner{
    height: 815px;
    position: relative;
}
.banner .swiper-container {
    height: 815px;
    width: 100%;
    overflow: hidden;
    position: absolute;
    top: 0;
    left: 0;
}
.banner .swiper-slide {
    height: 815px;
}

.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(../image/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(../image/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;
}
/* hot */
.hot{
    width: 90%;
    background: #f3f7fa;
    margin: 0 auto;
    background: url(http://www.sdanleng.com/images/h_bg.jpg) top left;
    box-sizing: border-box;
    padding: 15px;
    box-shadow: 0 0 5px rgba(0,0,0,.3);
    margin-top: -30px;
    position: relative;
    z-index: 111;
}
.hot_con{
    width: 100%;
    overflow: hidden;
}
.hot_go{
    width:9999px;
}
.hot_go ul{
    float: left;
    overflow: inherit;
}
.hot_go ul::after{
    content: '';
    display: block;
    clear: both;
}
.hot_go ul li{
    position: relative;
    float: left;
    margin: 5px;
    height: 245px;
}
.hot_go ul li span{
    width:315px;
    height: 205px;
    border: 10px solid #fff;
    box-shadow: 0 0 5px rgba(0,0,0,.2);
    display: block;
    overflow: hidden;
}
.hot_go ul li a{
    display: block;
    width: 100%;
    height: 100%;
}
.hot_go ul li img{
    width: 100%;
    height: auto;
    min-height: 205px;
    transition: all 0.6s;
}
.hot_go ul li:hover img{
    transform: scale(1.1);
}
.hot_go ul li em{
    width: 205px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: #04429e;
    color: #fff;
    font-size: 15px;
    border-top-left-radius: 5px;
    border-bottom-right-radius: 5px;
    position: absolute;
    left: 50%;
    margin-left: -102.5px;
    bottom: 10px;
}
/* pro */
.pro{
    width: 100%;
    height: 1025px;
    background: url(http://www.sdanleng.com/images/pro_bg.jpg) bottom center no-repeat;
    padding-top: 50px;
    padding-bottom: 30px;
}
.pro_tit{
    text-align: center;
}
.pro_tit p{
    font-size: 15px;
    color: #333;
}
.pro_list{
    width: 780px;
    margin: 20px auto 30px auto;
    position: relative;
}
.pro_list ul li{
    float: left;
    width: 185px;
    height: 50px;
    padding: 0,20;
    text-align: center;
    background: #0daa7c;
    border-left: 5px solid #05835e;
    box-sizing: border-box;
    margin: 3px;
    line-height: 50px;
    position: relative;
}
.pro_list ul li::before{
    content: '';
    display: block;
    width: 3px;
    height: 50px;
    background: #05835e;
    position: absolute;
    top: 0;
    left: 0;
    transition: all 0.6s;
}
.pro_list ul li:hover::before{
    width: 100%;
}
.pro_list ul li a{
    display: block;
    width: 100%;
    height: 100%;
    color: #fff;
    font-size: 15px;
    position: relative;
    z-index: 12;
}
.pro_litpic{
    width: 86%;
    margin: 40px auto 30px auto;
    height: 700px;
    overflow: hidden;
}
.pro_go>ul>li{
    width: 24.2%;
    margin: 6px 0.4%;
    float: left;
    overflow: hidden;
    box-sizing: border-box;
}
.pro_go>ul>li>a>em{
    width: 100%;
    height: 290px;
    overflow: hidden;
    position: relative;
}
.pro_go>ul>li:hover .pro_des{
    display: block;
}
.pro_go>ul>li i{
    width: 100%;
    height: 53px;
    line-height: 53px;
    font-size: 15px;
    color: #333;
    position: relative;
}
.pro_go>ul>li i::before{
    content: '';
    display: block;
    width: 230px;
    height: 53px;
    background: url(../image/pro_b_tit.png) top left no-repeat;
    position: absolute;
    top: 0;
    left: 0;
}
.pro_go>ul>li i span{
    float: right;
    margin-right: 5px;
}
.pro_go>ul>li i span::after{
    content: '';
    display: inline-block;
    vertical-align: middle;
    margin-left: 5px;
    width: 16px;
    height: 16px;
    background: url(../image/icon.png) -126px -21px;
}
/*com*/
.com{
    width: 100%;
    height: 800px;
    box-sizing: border-box;
    background: url(../image/com_bg1.jpg) center center no-repeat; 
    margin: 0px 0 25px 0;
}
.com_tit{
    width: 515px;
    height: 135px;
    position: relative;
    margin-bottom: 30px;
}
.com_tit>p{
    position: absolute;
    left: 32px;
    top: 15px;
}
.com_con{
    overflow: hidden;
}
.com_r{
    float: right;
    position: relative;
    width: 640px;
    margin-top: 25px;
}
.com_r p{
    font-size: 15px;
    color: #333;
    line-height: 25px;
    margin: 8px 0;
}
.com_r a{
    display: block;
    width: 160px;
    height: 45px;
    background: #ff0000;
    text-align: center;
    line-height: 45px;
    font-size: 15px;
    color: #fff;
    margin: 30px 0;
    box-sizing: border-box;
    border-left: 10px solid #cc0202;
}
.com_r ul{
    overflow: inherit;
}
.com_r ul li{
    float: left;
    font-size: 17px;
    color: #fff;
    margin-right: 37px;
    position: relative;
    margin-top: 80px;
    padding-top: 28px;
}
.com_r ul li::before{
    content: '';
    display: block;
    width: 31px;
    height: 60px;
    background: url(../image/icon1.png) -343px -21px no-repeat;
    position: absolute;
    left: 50%;
    margin-left: -15.5px;
    top: -45px;
}
.com_phone{
    position: relative;
    color: #fff;
    padding-left: 100px;
    margin-left: 15px;
    margin-top: 74px;
}
.com_phone::before{
    content: '';
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 58px;
    height: 60px;
    background: url(../image/icon1.png) -404px -23px no-repeat;
}
.com_phone em{
    font-size: 15px;
}
.com_phone h3{
    font-size: 35px;
    font-family: 'Impact';
    font-weight: normal;
}
.com_phone h3 i{
    display: inline-block;
    font-size: 17px;
    vertical-align: middle;
    margin-left: 8px;
}
/* adv */
.adv_tit{
    text-align: center;
}
.adv{
    width: 100%;
    height: 983px;
    box-sizing: border-box;
    background: url(../image/adv_bg.jpg) center center ;
}
.adv_con,.adv_des{
    position: relative;
    width: 1200px;
    height: 720px;
    margin: 0 auto;
}
.adv_des li{
    position: absolute;
    overflow: hidden;
    width: 260px;
}
.adv_des li h3{
    font-size: 19px;
    color: #333;
    width: 100%;
    height: 75px;
    position: relative;
}
.adv_des li h3 em{
    position: absolute;
    top: 0;
    width: 70px;
    height: 70px;
    background: url(../image/icon.png);
}
.adv_des li:nth-child(odd) h3 i{
    position: absolute;
    left: 55px;
    bottom: 0;
}
.adv_des li:nth-child(even) h3 i{
    position: absolute;
    right: 55px;
    bottom: 0;
}
.adv_des li:nth-child(even) p{
    text-align: right;
}
.adv_des li:nth-child(1){
    top: 55px;
    left: 50px;
}
.adv_des li:nth-child(3){
    top: 40%;
    left: 0;
}
.adv_des li:nth-child(5){
    bottom: 55px;
    left: 50px;
}
.adv_des li:nth-child(2){
    top: 55px;
    right: 50px;
}
.adv_des li:nth-child(4){
    top: 40%;
    right: 0;
}
.adv_des li:nth-child(6){
    bottom: 55px;
    right: 50px;
}
.adv_des li:nth-child(1) h3 em{
    background-position: -13px -69px;
}
.adv_des li:nth-child(2) h3 em{
    background-position: -13px -150px;
}
.adv_des li:nth-child(3) h3 em{
    background-position: -93px -69px;
}
.adv_des li:nth-child(4) h3 em{
    background-position: -91px -150px;
}
.adv_des li:nth-child(5) h3 em{
    background-position: -174px -69px;
}
.adv_des li:nth-child(6) h3 em{
    background-position: -174px -150px;
}
.adv_des li p{
    font-size: 15px;
    color: #333;
    line-height: 20px;
    margin-top: 15px;
}
.adv_des li:nth-child(odd) em{
    left: 0;
}
.adv_des li:nth-child(even) em{
    right: 0;
}
.adv_icon li{
    width: 90px;
    height: 90px;
    background: #01a06b;
    border-radius: 50%;
    border: 7px solid #e3e3e3;
}
.adv_icon li i{
    font-size: 60px;
    color: #fff;
    text-align: center;
    line-height: 90px;
}
.adv_icon{
    width: 740px;
    margin: 0 auto;
    height: 720px;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
}
.adv_icon li{
    position: absolute;
}
.adv_icon li:nth-child(1){
    top: 80px;
    left: 150px;
}
.adv_icon li:nth-child(2){
    top: 80px;
    right: 150px;
}
.adv_icon li:nth-child(3){
    top: 50%;
    margin-top: -52px;
    left: 55px;
}
.adv_icon li:nth-child(4){
    top: 50%;
    margin-top: -52px;
    right: 55px;
}
.adv_icon li:nth-child(5){
    bottom: 80px;
    left: 150px;
}
.adv_icon li:nth-child(6){
    bottom: 80px;
    right: 150px;
}
/* f_t */
.f_t1{
    width: 100%;
    height: 140px;
    background: #10805b;
    box-sizing: border-box;
    margin-top: -230px;
}
.f_t1_con{
    width: 1350px;
    margin: 0 auto;
    overflow: hidden;
}
.f_t1_con ul li{
    float: left;
    height: 140px;
    width: 33.3%;
    color: #fff;
    position: relative;
    padding-left: 70px;
    padding: 25px 80px;
    box-sizing: border-box;
}
.f_t1_con ul li:nth-child(2){
    padding: 40px 111px;
}
.f_t1_con ul li:nth-child(3){
    padding: 40px 131px;
}
.f_t1_con ul li strong{
    font-size: 20px;
}
.f_t1_con ul li i{
    font-size: 16px;
    margin-top: 8px;
}
.f_t1_con ul li::before{
    content: '';
    display: block;
    width: 48px;
    height: 48px;
    background-image: url(../image/icon.png);
    background-repeat: no-repeat;
    position: absolute;
    top: 41px;
    left: 18px;
}
.f_t1_con ul li:nth-child(1)::before{
    background-position: -168px -4px;
}
.f_t1_con ul li:nth-child(2)::before{
    background-position: -217px -8px;
    left: 47px;
}
.f_t1_con ul li:nth-child(3)::before{
    background-position: -267px -9px;
    left: 70px;
}
.f_t1_con ul li::after{
    content: '';
    display: block;
    width: 1px;
    height: 80px;
    background: rgba(255,255,255,.3);
    position: absolute;
    right: 0;
    top: 30px;
}
.f_t1_con ul li:last-child:after{
    background: transparent;
}
/* news */
/* news */
.news{
    background: url(../image/news_bg.jpg) center center no-repeat;
    padding: 40px 0;
}
.news_list{
    width: 294px;
    margin: 20px auto 0 auto;
}
.news_list  li{
    float: left;
    margin: 0 15px;
}
.news_list li::before{
    content: '';
    display: inline-block;
    vertical-align: middle;
    width: 34px;
    height: 22px;
    background: url(../image/icon.png) -271px -75px no-repeat;
    margin-right: 15px;
    margin-bottom: 3px;
}
.news_list li a{
    width: 100%;
    height: 100%;
    color: #333;
    font-size: 17px;
}
.news_con{
    width: 1350px;
    margin: 20px auto 0 auto;
    overflow: hidden;
}
.news_con ul li{
    float: left;
    width: 650px;
    height: 180px;
    box-sizing: border-box;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 0 14px rgba(0,0,0,.1);
    margin: 12px;
    border-radius: 8px;
    position: relative;
    padding: 21px 20px;
}
.n_l{
    float: left;
    width: 200px;
    height: 135px;
    overflow: hidden;
    border-radius: 8px;
}
.n_l img{
    width: 100%;
    height: auto;
    min-height: 135px;
    transition: all 0.6s;
}
.news_con ul li:hover img{
    transform: scale(1.1);
}
.n_r{
    float: right;
    width: 380px;
    margin-top: 15px;
}
.n_r strong{
    color: #333;
    font-size: 17px;
}
.n_r p{
    font-size: 15px;
    color: #666;
    line-height: 25px;
    margin: 10px 0;
}
.n_r em{
    font-size: 15px;
    color: #666;
}
.n_r i{
    position: absolute;
    right: 0;
    bottom: 0;
    width: 42px;
    height: 42px;
    background: #10805b;
    border-top-left-radius: 8px;
    border-bottom-right-radius: 8px;
}
.n_r i::after{
    content: '';
    display: block;
    width: 9px;
    height: 16px;
    background: url(../image/icon.png) -323px -24px no-repeat;
    position: absolute;
    top: 0;
    left: 3px;
    right: 0;
    bottom: 0;
    margin: auto;
}
/* footer */
/*底部*/
.foot{
	width: 100%;
	height: 380px;
	background:url(../image/footbj.png) center no-repeat;
	position: relative;
}
.baseDiva{
	width: 1350px;
	height: 290px;
	margin: 0 auto;
}
.dblogo{
    margin-top: 70px;
}
.dblogo img{
	display: block;
	margin-top: 12px;
}
.dbtel{
	width: 730px;
	height: 20px;
	margin-left: 85px;
	margin-top: 45px;
}
.dbnav{
	height: 80px;
}
.dbnav ul li{
	line-height: 80px;
	float: left;
	margin-left: 20px;
	margin-right: 20px;
}
.dbnav ul li a{
	font-size: 16px;
	color: #fff;
}
.dbnav ul li a:hover{
	text-decoration: underline;
	font-weight: bold;
}
.dbphone{
    margin-top: 35px;
}
.dbphone ul li{
	width: 360px;
	float: left;
	margin-bottom: 18px;
	line-height: 30px;
}
.dbphone ul li img{
	float: left;
}
.dbphone ul li p{
	float: left;
	margin-left: 18px;
	font-size: 16px;
    color: #fff;
    width: 300px;
}
.dbphone ul li p span{
	font-family: "Arial";
	font-size: 26px;
}
.dbewm{
    text-align: center;
	margin-top: 10px;
}
.dbewm span{
	display: block;
	font-size: 15px;
	color: #fff;
	line-height: 35px;
}
.copy {
    text-align: center;
    line-height: 73px;
    font-size: 15px;
    color: #aeaeae;
}
.copy a {
    color: #aeaeae;
}
@media screen and (max-width:1800px){
        .h_con {
    margin: 0 auto;
    position: relative;
    width: 100%;
}
}
@media screen and (max-width:1600px) {

.logo{
        width: 300px;
}
.logo img{
    width: 100%;
}
    }