* {
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
}

li {
  list-style: none;
}

html {
  width: 100%;
  height: 100%;
}

body {
  width: 100%;
  height: 100%;
  background: #fff;
  font-family: '微软雅黑';
}

.header {
  background: #fff;
}

.header:after {
  display: block;
  content: '';
  clear: both;
}

.m_header {
  display: none;
}

.common_top_div_bg {
  background: #eeeeee;
  border-bottom: 1px solid #e1e1e1;
}

.common_top_div {
  height: 32px;
  line-height: 32px;
  width: 1200px;
  margin: 0 auto;
  font-size: 13px;
  color: #545454;
  overflow: hidden;
}

.common_top_div .l {
  float: left;
}

.common_top_div .r {
  float: right;
}

.h_top {
  overflow: hidden;
  width: 1200px;
  margin: 0 auto;
  padding: 30px 0;
}

.h_logo {
  float: left;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
}

.h_logo img {
  display: block;
  height: 60px;
}

.h_biaoyu {
  border-left: 1px solid #ddd;
  float: left;
  padding-left: 20px;
  margin-left: 20px;
  height: 60px;
}

.h_biaoyu p {
  font-size: 26px;
  line-height: 1.4em;
  font-weight: bold;
  color: #1E1A18;
}

.h_biaoyu span {
  color: #666;
}

.h_tel {
  float: right;
  width: 300px;
  padding: 0px 0 0;
}

.h_tel .iconfont {
  float: left;
  font-size: 52px;
  padding-right: 10px;
  color: #2b79ca;
}

.h_tel span {
  color: #666;
}

.h_tel p {
  font-size:28px;
  font-weight: bold;
  color: #ff7600;
}

.h_nav_bg {
  background: #2b79ca;
}

.h_nav {
  width: 1200px;
  margin: 0 auto;
}

.h_nav:after {
  display: block;
  content: '';
  clear: both;
}

.h_nav li {
  float: left;
  transition: all .5s;
}

.h_nav li a {
  display: block;
  line-height: 50px;
  text-align: center;
  padding: 0 20px;
  color: #fff;
  transition: all .5s;
  padding: 0 53px;
  font-size: 16px;
}

.h_nav li:hover a, .h_nav li.cur a {
  background: #034b96;
}

.header_bottom {
  width: 100%;
  height: 91px;
}

.nei_nav_bg {
  background: #eee;
}

.nei_nav {
  width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.nei_nav li {
  display: inline-block;
}

.nei_nav li a {
  display: block;
  line-height: 50px;
  padding: 0 40px;
  font-size: 14px;
  color: #333;
}

.nei_nav li.cur {
  background: #034b96;
}

.nei_nav li.cur a {
  color: #fff;
}

.h_liuyan {
  float: right;
  line-height: 90px;
  width: 90px;
  text-align: center;
  height: 90px;
}

.h_liuyan i {
  font-size: 40px;
  color: rgba(253, 208, 0, 1);
}

.h_liuyan:hover {
  background: rgba(253, 208, 0, 1);
}

.h_liuyan:hover i {
  color: #fff;
}

/*banner*/

.banner {
  width: 100%;
  height: 465px;
  overflow: hidden;
  position: relative;
  background: #1f1a17;
}

.banner_pic {
  position: relative;
  width: 100%;
  height: 100%;
}

.banner_pic li {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  overflow: hidden;
  justify-content:center;
  align-items:center;
  /* -webkit-justify-content:center; */
}

/* .banner_pic li a{display: flex;width: 100%;height: 100%;} */

.banner_pic li img {
  display:block;
  height: 100%;
}

.banner_pic li.on {
  display: block
}

.ban_bottom {
  height: 53px;
  background: #f8f8f8;
}

.ban_bottom_con {
  width: 1400px;
  margin: 0 auto;
}

.ban_btnl, .ban_btnr {
  display: none;
  position: absolute;
  color: #fff;
  font: 60px/normal simsun;
  top: 50%;
  margin-top: -45px;
  background: rgba(0, 0, 0, .48);
  padding: 0 5px;
}

.ban_btnl {
  left: 0px;
}

.ban_btnr {
  right: 0px;
}

.banner:hover .ban_btnl, .banner:hover .ban_btnr {
  display: block;
}

.ban_nav {
  width: 100%;
  position: absolute;
  bottom: 10px;
  text-align: center;
}

.ban_nav span {
  display: inline-block;
  width: 20px;
  height: 5px;
  background: rgba(255, 255, 255, .5);
  margin: 0 5px;
}

.ban_nav span.cur {
  background: rgba(238, 107, 65, 1);
  cursor: pointer;
}

.nei_banner {
  background: #333;
}

.nei_banner img {
  width: 100%;
  display: block;
}

.index_title {
  padding: 30px 0;
  overflow: hidden;
  text-align: center;
}

.index_title h3 {
  font-size: 36px;
  display: block;
  font-weight: bold;
  color: #444;
}

.index_title span {
  font-size: 14px;
  color: #D3D3D3;
  padding-left: 10px;
}

/* index_about */

/* .index_about{width: 1200px;margin:30px auto;overflow: hidden;}

.index_about_l{float: left;width: 560px;margin-right: 30px;}
.index_about_l video{width: 100%;}

.index_about_r{float: left;width: 610px;}
.index_about_info{font-size: 14px;line-height: 2;color: #595959;text-indent: 2em;}

.index_title{padding: 30px 0;overflow: hidden;}
.index_title h3{font-size: 30px;display: inline-block;}
.index_title span{font-size:22px;color:#D3D3D3;padding-left: 10px;} */

.index_about_bg {
  background: url(../images/about.jpg) no-repeat center;
  background-size: cover;
  padding: 40px 0;
  background-attachment: fixed;
}

.index_about_bg.cur {}

.index_about {
  width: 1200px;
  margin: 30px auto;
  overflow: hidden;
  text-align: center;
  color: #fff;
}

.index_about .index_title {
  padding: 0;
}

.index_about_info {
  font-size: 16px;
  line-height: 2.5em;
  color: #595959;
  color: #fff;
  padding: 20px 0;
}

.index_about .index_title h3 {
  color: #fff;
}

.index_about .index_title span {
  color: #fff;
}

.index_pro_more {
  display: block;
  transition: all .5s;
  width: 160px;
  padding: 10px 0;
  border: 1px solid #666;
  margin: 20px auto 60px;
  color: #333;
  font-size: 16px;
  text-align: center;
}

.index_pro_more:hover {
  background: #034b96;
  border-color: #034b96;
  color: #fff;
}

.read_more {
  display: block;
  transition: all .5s;
  width: 160px;
  padding: 10px 0;
  border: 1px solid #fff;
  margin: 0 auto;
  color: #fff;
  font-size: 16px;
  text-align: center;
}

.read_more:hover {
  background: #fff;
  color: #000;
}

/* index_about_end */

.translateX50 {
  opacity: 0;
  transition: all .5s;
  transform: translateY(100px);
}

.translateX50.cur {
  opacity: 1;
  transform: translateY(0px);
}

/* index_shuzi */

.index_shuzi_bg {
  background: #2b79ca;
  padding: 30px 0;
}

.index_shuzi {
  width: 1200px;
  display: flex;
  margin: 0 auto;
}

.index_shuzi li {
  flex: 1;
  text-align: center;
}

.index_shuzi li dt {
  color: #fff;
  font-weight: bold;
  font-size: 60px;
  line-height: 60px;
  padding-bottom: 10px;
}

.index_shuzi li dd {
  color: #fff;
  font-size: 14px;
}

.index_shop_category {
  text-align: center;
}

.index_shop_category a {
  display: inline-block;
  font-size: 16px;
  padding: 0 30px;
  margin: 0 5px;
  background: rgba(43, 121, 202, .9);
  transition: all .5s;
  color: #fff;
  line-height: 2em;
}

.index_shop_category a:hover {
  background: rgb(19, 106, 199);
}

.index_pro_bg {
  overflow: hidden;
}

.index_pro_bg .index_pro {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}

.index_pro_bg .index_pro .index_pro_box {
  width: 1200px;
  height: 710px;
  overflow: hidden;
  position: relative;
  padding: 40px 0 0;
  margin: 0px auto;
}

.index_pro_bg .index_pro .index_pro_box ul li {
  float: left;
  width: 285px;
  margin-right: 15px;
  margin-bottom: 15px;
  padding: 15px;
  box-sizing: border-box;
  background: #eee;
  transition: all .5s;
}

.index_pro_bg .index_pro .index_pro_box ul li:nth-child(4n) {
  margin-right: 0;
}

.index_pro_bg .index_pro .index_pro_box ul li dt {
  overflow: hidden;
  background: #fff;
}

.index_pro_bg .index_pro .index_pro_box ul li dt img {
  display: block;
  max-width: 255px;
  max-height: 255px;
  margin:0 auto;
  transition: all .5s;
}

.index_pro_bg .index_pro .index_pro_box ul li dd {
  line-height: 60px;
  text-align: center;
  color: #333;
  transition: all .5s;
  font-size: 16px;
  white-space:nowrap;
  text-overflow:ellipsis; overflow:hidden;
}

.index_pro_bg .index_pro .index_pro_box ul li:hover {
  background: #2b79ca
}

.index_pro_bg .index_pro .index_pro_box ul li:hover img {
  transform: scale(1.1);
}

.index_pro_bg .index_pro .index_pro_box ul li:hover dd {
  color: #fff;
}

.index_huanjing_bg .index_huanjing {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}

.index_huanjing_bg .index_huanjing .index_huanjing_box {
  width: 1200px;
  margin: 40px auto;
  overflow: hidden;
  position: relative;
  height: 370px;
}

.index_huanjing_bg .index_huanjing .index_huanjing_box ul {
  width: 99999px;
  overflow: hidden;
  position: absolute;
  left: 0;
  top: 0;
  transition: all .5s;
}

.index_huanjing_bg .index_huanjing .index_huanjing_box ul li {
  float: left;
  width: 370px;
  margin: 0 15px
}

.index_huanjing_bg .index_huanjing .index_huanjing_box ul li dt {
  width: 100%;
  height: 277.5px;
  position: relative;
  overflow: hidden;
}

.index_huanjing_bg .index_huanjing .index_huanjing_box ul li dt img {
  display: block;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  transition: all .5s;
}

.index_huanjing_bg .index_huanjing .index_huanjing_box ul li:hover dt img {
  transform: scale(1.1);
}

.index_huanjing_bg .index_huanjing .index_huanjing_box ul li dd {
  border: 1px solid #f2f2f2;
  padding: 15px 20px 25px;
}

.index_huanjing_bg .index_huanjing .index_huanjing_box ul li dd p {}

.index_huanjing_bg .index_huanjing .index_huanjing_box ul li dd p.p1 {
  padding-bottom: 15px;
  border-bottom: 1px solid #f2f2f2;
  margin-bottom: 15px;
  color: #000;
}

.index_huanjing_bg .index_huanjing .index_huanjing_box ul li dd p.p2 {
  color: #777;
  font-size: 14px;
}

.index_huanjing_btn_l, .index_huanjing_btn_r {
  position: absolute;
  color: #000;
  font: 50px/normal simsun;
  top: 330px;
  margin-top: -45px;
  padding: 0 5px;
  user-select: none;
}

.index_huanjing_btn_l {
  left: -50px;
}

.index_huanjing_btn_r {
  right: -50px;
}

/* index_news */

.index_news_box {
  width: 1200px;
  margin: 0 auto;
  overflow: hidden;
}

.index_news_box li {
  float: left;
  width: 590px;
  margin-right: 20px;
  box-sizing: border-box;
  border: 1px solid #ddd;
  padding: 20px;
  margin-bottom: 20px;
  background: #f6f6f6;
}

.index_news_box li:nth-child(2n) {
  margin-right: 0;
}

.index_news_box li dt {
  float: left;
  width: 95px;
}

.index_news_box li dt p {
  font-size: 40px;
  font-weight: bold;
}

.index_news_box li dd .p1 {
  font-size: 20px;
  line-height: 2em;
}

.index_news_box li dd .p2 {
  font-size: 14px;
  line-height: 1.5em;
}

/* footer */

.footer_bg {
  background: rgba(39, 39, 39, 1);
}

.footer {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  padding: 40px 0;
}

.f_tit {
  color: #fff;
  padding-bottom: 20px;
}

.f_tit p {
  padding-bottom: 10px;
  font-family: times new roman, times, serif;
}

.f_tit span {
  text-decoration: underline;
}

.footer_l {
  flex: 1;
  border-right: 1px solid #aaa;
  padding-left: 20px;
}

.footer_l .footer_l_info p {
  color: #aaa;
  font-size: 16px;
  line-height: 2em;
}

.footer_l .footer_l_info p i {
  padding-right: 5px;
}

.footer_c {
  flex: 1;
  border-right: 1px solid #aaa;
  padding-left: 20px;
}

.footer_c .footer_c_info dl {
  float: left;
  margin-right: 16px;
  position: relative;
}

.footer_c .footer_c_info dd {
  color: #aaa;
  text-align: center;
  font-size: 14px;
  line-height: 2em;
}

.footer_c .footer_c_info dt img {
  width: 110px;
  height: 110px;
}

.footer_c .footer_c_info .big {
  display: none;
  position: absolute;
  bottom: calc(100% + 20px);
  left: 0;
}

.footer_c .footer_c_info .big img {
  max-width: 400px;
}

.footer_c .footer_c_info dl:hover .big {
  display: block;
}

.footer_r {
  flex: 1;
  padding-left: 20px;
}

.footer_r input {
  background: #fff;
  border: 0;
  outline: 0;
  padding: 10px 20px;
  width: 310px;
  box-sizing: border-box;
  margin-bottom: 10px
}

.footer_r .foot_submite_btn {
  background: #ff7600;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  width: 310px;
  border: 0;
  line-height: 40px;
  text-align: center;
}

.footer_bottom {
  background: rgba(17, 17, 17, 1);
  color: #aaa;
  text-align: center;
  line-height: 80px;
  font-size: 14px;
}

.footer_bottom a {
  color: #aaa;
}

/* page */

.main {
  width: 1200px;
  margin: 0 auto;
  padding: 40px 0;
}

.main:after {
  display: block;
  content: '';
  clear: both;
}

.page_tit {
  text-align: center;
  font-size: 30px;
  font-weight: bold;
  color: #333;
  line-height: 2em;
}

.page_info {
  padding: 20px 0;
}

.pos {
  width: 1200px;
  margin: 0 auto;
  border-bottom: 1px dotted #ddd;
  padding: 15px 0;
  font-size: 14px;
}

.pos_info {
  border-left: 10px solid #2b79ca;
  padding-left: 10px;
}

.left_nav {
  width: 240px;
  float: left;
}

.left_nav dd {
  text-align: center;
  border-bottom: 1px solid #fff;
  margin: 0;
  color: #fff;
  font-size: 24px;
  padding: 20px 0;
  background: #2b79ca;
}

.left_nav li {
  background: #eee;
  line-height: 50px;
  padding: 0 40px;
  margin-bottom: 2px;
  font-size: 16px;
}

.left_nav li a {
  display: block;
}

.left_nav li.cur {
  background: #2b79ca;
}

.left_nav li.cur a {
  color: #fff;
}

.left_nav_bottom {
  background: url(../images/contact-z1.jpg) no-repeat top center;
  padding: 43px 0 43px 54px;
}

.left_nav_bottom p {
  font-size: 16px;
}

.left_nav_bottom span {
  font-size: 22px;
  font-weight: bold;
}

/* list_news */

.list_news {
  width: 930px;
  float: left;
  margin-left: 30px
}

.list_news dl {
  overflow: hidden;
  margin: 0 0 20px;
  border: 1px solid #f5f5f5;
  padding: 20px 10px;
  position: relative;
}

.list_news dl dt {
  width: 250px;
  float: left;
}

.list_news dl dt img {
  width: 100%;
  height: 100%;
}

.list_news dl dd {
  float: left;
  margin-left: 20px
}

.list_news dl dd p.p1 {
  color: #262626;
  font-weight: 600;
  line-height: 40px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 560px;
  font-size: 18px;
}

.list_news dl dd p.p2 {
  color: #797979;
  font-size: 14px;
  padding-bottom: 20px;
}

.list_news dl dd .time {
  font-size: 12px;
  color: #666;
  position: absolute;
  right: 10px;
  top: 30px;
}

/* list_product */

.list_product {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}

.list_product {
  width: 1200px;
  margin: 40px auto;
  overflow: hidden;
  position: relative;
}

.list_product ul {}

.list_product ul li {
  float: left;
  width: 370px;
  margin: 0 15px
}

.list_product ul li dt {
  width: 100%;
  height: 370px;
  position: relative;
  overflow: hidden;
}

.list_product ul li dt img {
  display: block;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  transition: all .5s;
}

.list_product ul li:hover dt img {
  transform: scale(1.1);
}

.list_product ul li dd {
  border: 1px solid #f2f2f2;
  padding: 15px 20px 25px;
}

.list_product ul li dd p {}

.list_product ul li dd p.p1 {
  padding-bottom: 15px;
  border-bottom: 1px solid #f2f2f2;
  margin-bottom: 15px;
  color: #000;
}

.list_product ul li dd p.p2 {
  color: #777;
  font-size: 14px;
}

.list_pro_video {
  width: 100%;
  margin-bottom: 40px;
}

.list_pro_video video {
  width: 100%;
}

/* show */

.show_right {
  width: 930px;
  float: left;
  margin-left: 30px
}

.show_desc {
  line-height: 3em;
  font-size: 16px;
  text-align: center;
  border: 1px dotted #ddd;
  margin-bottom: 20px
}

.show_info {
  padding: 20px;
}

.show_pic {
  display: block;
  margin: 0 auto;
  max-width: 600px;
}

.show_piclist {
  padding: 20px 0;
}

.show_piclist img {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 5px
}

.show_shangxia {
  overflow: hidden;
  padding: 40px 0;
}

.page_syp {
  float: left;
}

.page_syp a {
  color: #333;
}

.page_xyp {
  float: right;
}

.page_xyp a {
  color: #333;
}

/* show_pro_top */

.show_pro_top {
  overflow: hidden;
}

.show_pro_top_l {
  float: left;
  width: 500px;
  height: 500px;
}

.show_pro_top_l img {
  display: block;
  width: 500px;
  height: 500px;
}

.show_pro_top_r {
  margin-left: 430px
}

.show_pro_tit {
  border-bottom: 1px solid #eee;
  font-size: 30px;
  font-weight: 400;
  color: #333;
  line-height: 3em;
}

.show_pro_desc {
  line-height: 3em;
  font-size: 16px;
  text-align: left;
}

.sho_pro_infostart {
  border-top: 1px solid #eee;
  text-align: center;
}

.sho_pro_infostart span {
  display: inline-block;
  background: #333;
  color: #fff;
  line-height: 3em;
  font-size: 16px;
  padding: 0 20px;
}

/* page_liuyan */

.page_liuyan {}

.page_liuyan h2 {
  text-align: center;
  font-size: 32px;
  line-height: 2em;
  font-weight: 400;
}

.page_liuyan p {
  font-family: arial, helvetica, sans-serif;
  text-align: center;
  color: #999;
  margin-bottom: 20px;
}

.page_liuyan textarea {
  width: 100%;
  border: 0;
  background: #fff;
  resize: none;
  outline: none;
  box-sizing: border-box;
  padding: 20px;
  margin-bottom: 20px
}

.input_box {
  display: flex;
  margin-bottom: 20px
}

.input_box input {
  flex: 1;
  border: 0;
  background: #fff;
  resize: none;
  outline: none;
  box-sizing: border-box;
  padding: 20px;
}

.input_box input:first-child {
  margin-right: 20px
}

.submite_btn {
  background: #333;
  text-align: center;
  line-height: 60px;
  font-size: 18px;
  color: #fff;
  user-select: none;
}

/* list_anli */

.list_anli {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}

.list_anli {
  width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  position: relative;
}

.list_anli ul {}

.list_anli ul li {
  float: left;
  width: 370px;
  margin: 0 15px 20px;
}

.list_anli ul li dt {
  width: 100%;
  position: relative;
  overflow: hidden;
  padding-top: 296px;
}

.list_anli ul li dt img {
  display: block;
  width: 100%;
  margin: 0 auto;
  transition: all .5s;
  position: absolute;
  left: 0;
  top: 0
}

.list_anli ul li:hover dt img {
  transform: scale(1.1);
}

.list_anli ul li dd {
  border: 1px solid #f2f2f2;
  padding: 15px 20px 25px;
}

.list_anli ul li dd p {}

.list_anli ul li dd p.p1 {
  padding-bottom: 15px;
  border-bottom: 1px solid #f2f2f2;
  margin-bottom: 15px;
}

.list_anli ul li dd p.p1 {
  color: #333;
}

.list_anli ul li dd p.p2 {
  color: #777;
  font-size: 14px;
}

.pagination {
  height: 40px;
  padding: 20px 0px;
  text-align: center;
}

.pagination a {
  display: inline-block;
  /* float:left; */
  margin-right: 5px;
  padding: 2px 12px;
  height: 24px;
  border: 1px #cccccc solid;
  background: #fff;
  text-decoration: none;
  color: #808080;
  font-size: 12px;
  line-height: 24px;
}

.pagination a:hover {
  color: #2b79ca;
  background: white;
  border: 1px #2b79ca solid;
}

.pagination a.cur {
  border: none;
  background: #2b79ca;
  border: 1px solid #2b79ca;
  color: #fff;
}

.pagination p {
  margin: 0;
  cursor: pointer;
  /* float:left; */
  display: inline-block;
  padding: 2px 12px;
  font-size: 12px;
  height: 24px;
  line-height: 24px;
  color: #bbb;
  border: 1px #ccc solid;
  background: #fcfcfc;
  margin-right: 5px;
}

.pagination p.pageRemark {
  display: none;
  border-style: none;
  background: none;
  margin-right: 0px;
  padding: 4px 0px;
  color: #666;
}

.pagination p.pageRemark b {
  color: red;
}

.pagination p.pageEllipsis {
  border-style: none;
  background: none;
  padding: 4px 0px;
  color: #808080;
}

.dates li {
  font-size: 14px;
  margin: 20px 0;
}

.dates li span {
  float: right;
}

/* 分页 end */

@media screen and (max-width:900px) {
  .common_top_div {
    width: 100%;
    padding: 0 2%;
    box-sizing: border-box;
  }
  .header {
    display: none;
  }
  .m_header {
    display: block;
  }
  .m_header .m_h_logo img {
    height: 40px;
    float: left;
    margin: 2%
  }
  .m_header:after {
    content: '';
    clear: both;
    display: block;
  }
  .m_header .m_h_btn {
    float: right;
    line-height: 40px;
    width: 40px;
    text-align: center;
    height: 40px;
    color: #333;
    font-size: 24px;
    margin: 2% 2% 0 0;
  }
  .m_header .m_h_nav {
    width: 50%;
    height: 100%;
    position: fixed;
    top:0;
    left: 100%;
    
    background: #2b79ca;
    z-index: 999;
    padding: 20px 0;
    box-sizing: border-box;
    transition: all .5s;
  }
  .m_header .m_h_nav li {
    text-align: center;
    line-height: 4em;
    font-size: 16px;
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .2)
  }
  .m_header .m_h_nav li a {
    color: #fff;
    display: block;
  }
  .m_header .m_h_nav.cur {
    left: 50%;
  }
  .banner {
    height:40vw;
  }
  .banner_pic li img {
    display:block;
    height: 40vw;
  }
  .index_title {
    padding: 15px 0;
  }
  .index_title h3 {
    font-size: 24px;
  }
  .index_shop_category a {
    display: block;
    font-size: 16px;
    width: 31.33%;
    box-sizing: border-box;
    float: left;
    padding: 0;
    margin: 1%
  }
  .ban_btnl, .ban_btnr {
    height: 100%;
    top: 0;
    margin-top: 0;
    display: block;
    display: flex;
    align-items: center;
    font-size: 30px;
    padding: 0 2%;
  }
  .ban_btnl {
    background: -webkit-linear-gradient(right, rgba(0, 0, 0, 0), rgba(0, 0, 0, .5));
    background: -moz-linear-gradient(right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, .1) 100%);
    ;
    /*FireFox*/
    background: -o-linear-gradient(right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, .1) 100%);
    /* Opear */
    background: -ms-linear-gradient(right, rgba(0, 0, 0, 0), rgba(0, 0, 0, .5));
    /*IE10及IE10+*/
  }
  .ban_btnr {
    background: -webkit-linear-gradient(left, rgba(0, 0, 0, 0), rgba(0, 0, 0, .5));
    background: -moz-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, .1) 100%);
    ;
    /*FireFox*/
    background: -o-linear-gradient(left, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, .1) 100%);
    /* Opear */
    background: -ms-linear-gradient(left, rgba(0, 0, 0, 0), rgba(0, 0, 0, .5));
    /*IE10及IE10+*/
  }
  .banner:hover .ban_btnl, .banner:hover .ban_btnr {
    display: flex;
  }
  .left_nav{width: 100%;}
  .left_nav dd{display: none;}
  .left_nav_bottom{display: none;}
  .left_nav li{width:48%;float: left;box-sizing: border-box;margin:1%;text-align: center;}
  .index_about_bg {
    padding: 20px 0;
  }
  .index_about {
    width: 100%;
    padding: 0 2%;
    box-sizing: border-box;
  }
  .index_about_l {
    float: none;
    width: 100%;
  }
  .index_about_r {
    float: none;
    width: 100%;
  }
  .index_shuzi {
    width: 100%;
  }
  .index_shuzi li dt {
    font-size: 40px;
    line-height: 40px;
  }
  .index_pro_bg .index_pro {
    width: 100%;
  }
  .index_pro_bg .index_pro .index_pro_box {
    width: 100%;
    height: auto;
    margin: 2% 0;
  }
  .index_pro_bg .index_pro .index_pro_box ul li dt img {
    width: 100%;
    height: 100%;
  }
  .index_pro_bg .index_pro .index_pro_box ul li dd {
    line-height: 2em;
    font-size: 14px;
    height: 4em;
  }
  .index_pro_more {
    margin-bottom: 20px;
    font-size: 14px;
  }
  .index_pro_btn_l, .index_pro_btn_r {
    display: none;
  }
  .index_pro_bg .index_pro .index_pro_box ul {
    width: 100%;
    position: relative;
  }
  .index_pro_bg .index_pro .index_pro_box ul li {
    width: 46%;
    box-sizing: border-box;
    margin: 2%
  }
  .index_pro_bg .index_pro .index_pro_box ul a:nth-child(n+5) {
    display: none;
  }
  .index_huanjing_bg .index_huanjing {
    width: 100%;
  }
  .index_huanjing_bg .index_huanjing .index_huanjing_box {
    width: 100%;
    margin: 2% 0;
    height: auto;
  }
  .index_huanjing_btn_l, .index_huanjing_btn_r {
    display: none;
  }
  .index_huanjing_bg .index_huanjing .index_huanjing_box ul {
    width: 100%;
    position: relative;
  }
  .index_huanjing_bg .index_huanjing .index_huanjing_box ul li {
    width: 96%;
    margin: 2%;
  }
  .index_huanjing_bg .index_huanjing .index_huanjing_box ul li dt {
    height: auto;
  }
  .index_huanjing_bg .index_huanjing .index_huanjing_box ul li dt:nth-child(n+4) {
    display: none;
  }
  .index_news_box {
    width: 100%;
    box-sizing: border-box;
    padding: 2%;
  }
  .index_news_box li {
    width: 100%;
    box-sizing: border-box;
    float: none;
    margin: 0 0 2%
  }
  .index_news_box li dt p {
    font-size: 30px;
    font-weight: bold;
  }
  .index_news_box li dt {
    float: left;
    width: 75px;
  }
  .index_news_box li dd .p1{font-size:18px;}
  .footer {
    width: 92%;
    display: block;
    padding: 4%;
  }
  .footer_l {
    padding: 0;
    margin-bottom: 4%;
    border: 0;
  }
  .footer_c {
    padding: 0;
    border: 0;
  }
  .footer_c_info:after{content: '';display: block;clear: both;}
  .footer_r {
    display: none;
  }
  .footer_bottom {
    padding: 2%;
    line-height: 2em;
  }
  .nei_nav {
    width: 100%;
    overflow: hidden;
  }
  .nei_nav li {
    width: 25%;
    display: block;
    float: left;
  }
  .nei_nav li a {
    padding: 0;
    margin: 0;
    line-height: 3em;
  }
  .main {
    width: 96%;
    padding: 2%;
  }

  .list_news{width: 100%;margin:0 }
  .list_news dl{padding: 2%;}
  .list_news dl dt {
    width: 100%;
    height: auto;
  }
  .list_news dl dd {
    margin: 0;
    padding: 2%;
  }
  .list_news dl dd p.p1{width: calc(100% - 70px);}


  .list_product {
    margin: 0;
    width: 100%;
  }
  .list_product ul li {
    width: 48%;
    margin: 1%
  }
  .list_product ul li dt {
    height: auto;
  }
  .list_product ul li dd {
    padding: 2%;
    border: 0;
    text-align: center;
  }
  .list_product ul li dd p.p2 {
    display: none;
  }
  .show_pro_top_l {
    width: 100%;
    height: auto;
    float: none;
  }
  .show_pro_top_l img {
    width: 100%;
    height: auto;
  }
  .show_pro_top_r {
    margin: 0;
  }
  .show_pro_tit {
    text-align: center;
  }
  .page_info img {
    max-width: 100%;
    height: auto;
  }
  .page_syp {
    width: 50%;
  }
  .page_xyp {
    width: 50%;
    text-align: right;
  }
  .list_anli ul li{width: 100%;float: none;margin:0 0 2% }
  .list_anli ul li dt {
    padding: 0;
  }
  .list_anli ul li dt img {
    position: relative;
  }
  .show_desc {
    line-height: 2em;
    font-size: 14px;
  }
  .list_anli {
    width: 100%;
  }
  .list_anli ul li dd {
    padding: 10px;
  }

  .page_tit {font-size: 26px;}

  .show_right {
    width: 100%;
    float: none;
    margin-left: 0
  }
}