html,
body {
}
.container {
  width: 100%;
  padding: 0;
  position: relative;
  background-color: #fff;
  z-index: 1;
}
.w1200 {
  max-width: 1200px;
  width: 100%;
  padding: 0;
  margin: 0 auto;
}
.img {
  vertical-align: middle;
  max-width: 100%;
}

/* 头部 */
.header {
  height: 120px;
  position:fixed;
  top:0;
  width:100%;
  z-index:20;
  background-color:#fff;
}
.header .w1200 {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  height: 100%;
  align-items: center;
}
.header .left {
  width: 100%;
  max-width: 233px;
}
.header .left img {
  width: 100%;
}
.header .right {
  width: 100%;
  height: 100%;
  max-width: 975px;
  display: flex;
  display: -webkit-flex;
  align-items: flex-end;
}
.header .right .nav {
  display: flex;
  width: 100%;
  display: -webkit-flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}
.header .right .nav ul {
  width: 100%;
  display: flex;
  display: -webkit-flex;
  justify-content: space-around;
  height: 50px;
}
.header .right .nav ul li {
  display: flex;
  display: -webkit-flex;
  flex-direction: column;
  justify-content: space-between;
}
.header .right .nav ul li a {
  height: 100%;
  line-height: 35px;
  font-size: 16px;
}
.header .right .nav ul li.active span {
  display: inline-block;
  width: 100%;
  height: 3px;
  background-color: #e20002;
}
.header .right .nav ul li:hover span {
  display: inline-block;
  width: 100%;
  height: 3px;
  background-color: #e20002;
}
.header .right .nav .search {
  height: 100%;
  display: flex;
  display: -webkit-flex;
  align-items: center;
  cursor: pointer;
  position: relative;
}

.header .right .nav .search .btn {
  width: 26px;
  height: 26px;
}
.header .right .nav .search .search_form {
  display: none;
  position: absolute;
  right: 0;
  width: 250px;
}
.header .right .nav .search form {
  position: relative;
  width: 100%;
  display: flex;
  display: -webkit-flex;
  justify-content: center;
}

.header .right .nav .search form input {
  width: 200px;
  height: 35px;
  box-sizing: border-box;
  padding: 5px;
  border: 1px solid #ccc;
  color: #666;
  font-size: 12px;
}
.header .right .nav .search form input::placeholder {
  font-size: 12px;
  color: #666;
}
.header .right .nav .search form button {
  width: 40px;
  height: 35px;
  background-color: #fff;
  border: 1px solid #ccc;
  color: #666;
  font-size: 12px;
  position: absolute;
  right: 0;
}
.header .right .lang {
  position: absolute;
  width: 550px;
  height: 40px;
  background-color: #a90f11;
  top: 0;
  right: 0;
  border-bottom-left-radius: 40px;
}
.header .right .lang .btn {
  width: 125px;
  display: flex;
  display: -webkit-flex;
  align-items: center;
  justify-content: space-between;
  height: 40px;
  margin-left: 55px;
  cursor: pointer;
}
.header .right .lang .btn a {
  color: #fff;
  font-size: 12px;
}
.header .right .lang .zh {
  width: 125px;
  margin-left: 55px;
  cursor: pointer;
  position: absolute;
  background-color: #a90f11;
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
  display: none;
  z-index: 10;
}
.header .right .lang .zh a {
  width: 100%;
  display: block;
  text-align: center;
  color: #fff;
  line-height: 30px;
}
.header .right .lang .zh a:hover {
  background-color: rgba(255, 255, 255, 0.2);
}
/* 轮播图 */
/* .banner{
margin-top:120px;
} */
.banner .swiper-pagination-bullet {
  width: 14px;
  height: 14px;
  display: inline-block;
  border-radius: 100%;
  background: #fff;
  opacity: 1;
  box-sizing: border-box;
  border: 2px solid #fff;
  background-color: #fff;
}
.swiper-container-horizontal
  > .swiper-pagination-bullets
  .swiper-pagination-bullet {
  margin: 0 7px;
}
.banner .swiper-pagination-bullet-active {
  background-color: rgba(255, 255, 255, 0);
}
.banner img {
  width: 100%;
  height: 100%;
}
.banner .swiper-button-prev {
  background-image: url(../images/pre.png);
  width: 80px;
  height: 80px;
  background-color: rgba(114, 119, 120, 0.8);
  left: 0;
}
.banner .swiper-button-next {
  background-image: url(../images/next.png);
  width: 80px;
  height: 80px;
  background-color: rgba(114, 119, 120, 0.8);
  right: 0;
}
/* 产品 */

.product .title {
  text-align: center;
  width: 600px;
  margin: 40px auto 0;
}
.product .title h1 {
  font-size: 30px;
  line-height: 1;
}
.product .title .sub {
  width: 54px;
  height: 3px;
  background-color: #fe0000;
  display: inline-block;
  margin: 15px 0 15px 0;
}
.product .title .desc {
  font-size: 18px;
  color: #666;
  line-height: 1.5;
}
.product .product_list {
  margin-top: 20px;
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  align-items: center;
}
.product .product_list .right {
  width: 598px;
  height: 360px;
  background-image: url(../images/index_02.jpg);
  background-repeat: no-repeat;
  background-size: 100%;
}
.product .product_list .right ul {
  width: 100%;
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.product .product_list .right ul li {
  width: 50%;
}
.product .product_list .right ul li a {
  display: block;
  width: 100%;
  box-sizing: border-box;
  height: 120px;
  display: flex;
  display: -webkit-flex;
  flex-direction: column;
  justify-content: center;
  flex-wrap: wrap;
  padding: 0 40px;
  line-height: 1.5;
  transition: all 0.4s ease;
}
.product .product_list .right ul li a h2 {
  font-size: 18px;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.product .product_list .right ul li .sub {
  font-size: 12px;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.product .product_list .right ul li a:hover {
  background-color: #666666;
  color: #fff;
  border-left: 6px solid #fe0000;
}
.product .product_list .right ul li a.current {
  background-color: #666666;
  color: #fff;
  border-left: 6px solid #fe0000;
}
.product .product_list .left {
  max-width: 589px;
  width: 100%;
}
.product .product_list .left ul {
  position: relative;
  width: 100%;
}
.product .product_list .left ul li {
  position: absolute;
  transition: all 0.4s ease;
  opacity: 0;
  width: 100%;
  top: 0;
}
.product .product_list .left ul li a {
  display: block;
  width: 100%;
}
.product .product_list .left ul li a img {
  width: 100%;
}
.product .product_list .left ul li.current {
  opacity: 1;
  position: relative;
}

.service {
  padding-top: 40px;
  padding-bottom: 90px;
}
.service .w1200 {
  width: 100%;
  background-image: url(../images/index_05.jpg);
  height: 320px;
  background-size: 100%;
}
.service .w1200 ul {
  display: flex;
  display: -webkit-flex;
  height: 100%;
}
.service ul li {
  width: 250px;
  height: 100%;
  box-sizing: border-box;
  border-right: 1px solid #fff;
}
.service ul li:last-child {
  border: none;
}
.service ul li a {
  width: 100%;
  height: 100%;
  display: flex;
  display: -webkit-flex;
  justify-content: center;
  align-items: center;
}
.service ul li a .left {
  display: flex;
  display: -wekit-flex;
  justify-content: center;
  flex-wrap: wrap;
}
.service ul li a .left span {
  width: 100px;
  height: 100px;
  display: block;
  overflow: hidden;
  text-align: center;
}
.service ul li a .left span img {
  margin-top: -120px;
}
.service ul li a .left h1 {
  font-size: 26px;
  color: #fff;
  width: 100%;
  text-align: center;
}
.service ul li.current {
  width: 450px;
  background-color: #fe0000;
  transition: all 0.5s ease;
}
.service ul li.current .left span {
  background-color: #fff;
  border-radius: 50px;
}
.service ul li.current .left span img {
  margin-top: 20px;
}
.service ul li .center {
  width: 1px;
  height: 160px;
  background-color: #fff;
  margin: 0 25px 0 30px;
  display: none;
}
.service ul li .right {
  width: 215px;
  color: #fff;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  display: none;
}
.service ul li.current .center {
  display: block;
}
.service ul li.current .right {
  display: block;
}
.service ul li.current:nth-child(3) a .left span img {
  margin-top: 15px;
}
.service ul li.current:last-child a .left span img {
  margin-top: 35px;
}

/* 公司介绍 */
.about {
  background-image: url(../images/index_06.jpg);
  background-size: 100%;
  background-repeat: no-repeat;
}
.about .w1200 {
  padding-top: 60px;
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
}
.about .left {
  width: 520px;
  background-color: #fff;
  padding: 30px;
  box-sizing: border-box;
}
.about .left .title {
  font-size: 30px;
  color: #fe0000;
}
.about .left .info p {
  text-indent: 28px;
  color: #666;
  line-height: 2;
  padding-top: 20px;
}
.about .left .info p:first-child {
  text-indent: 0;
}
.about .left .more {
  width: 190px;
  height: 40px;
  background-image: url(../images/more.png);
  background-size: 100%;
  background-repeat: no-repeat;
  margin-top: 35px;
}
.about .left .more a {
  display: block;
  width: 100%;
  height: 100%;
  text-align: center;
  line-height: 40px;
  color: #999999;
  font-size: 16px;
}
.about .right {
  width: 525px;
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  margin-top: 57px;
}
.about .right .text {
  font-size: 26px;
  color: #666;
  font-weight: bold;
  padding-top: 50px;
}
.about .right .image {
  box-sizing: border-box;
}
.about .right .image img {
  box-shadow: 12px 12px 0px #dbdbdb;
}
.footer_image {
  width: 100%;
  padding-top: 20px;
}
.footer_image img {
  width: 100%;
}

/* 底部 */
.footer {
  position: fixed;
  bottom: 0;
  width: 100%;
  z-index: 0;
}
.footer .top {
  background-color: #1e2f37;
}
.footer .top .w1200 {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  color: #fff;
  padding: 80px 0 55px 0;
}
.footer .top .w1200 .center h1 {
  font-size: 22px;
  padding-left: 10px;
  padding-bottom: 10px;
}
.footer .top .w1200 .center ul {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 300px;
}
.footer .top .w1200 .center ul li {
  width: 50%;
  box-sizing: border-box;
  line-height: 1.5;
}
.footer .top .w1200 .center ul li a::before {
  content: "•";
  padding-right: 10px;
  font-size: 12px;
}
.footer .top .w1200 .center ul li a {
  color: #fff;
  width: 100%;
  font-weight: bold;
}
.footer .top .w1200 .center ul li a:hover {
  color: #fe0000;
}
.footer .top .w1200 .right h1 {
  font-size: 22px;
  padding-bottom: 10px;
}
.footer .bottom {
  background-color: #fe0000;
}
.footer .bottom p {
  color: #fff;
  font-size: 12px;
  text-align: right;
  line-height: 60px;
}

/* 内页 */
.page {
}
/* 面包屑导航 */
.page .crumbs {
  border-bottom: 1px solid #ccc;
}
.page .crumbs .w1200 {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  line-height: 70px;
}
.page .crumbs .w1200 h1 {
  font-weight: bold;
  color: #666666;
  font-size: 26px;
}
.page .crumbs .w1200 .link {
  color: #666;
  font-size: 14px;
}
.page .crumbs .w1200 .link a {
  color: #666;
  font-size: 14px;
}
.page_info .w1200 {
  padding: 35px 0;
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
}

/* 侧边栏 */
.sidebar {
  width: 250px;
}
.sidebar > ul {
  width: 100%;
}
.sidebar > ul > li {
  width: 100%;
  border-bottom: 1px solid #ccc;
}
.sidebar > ul > li > a {
  display: block;
  width: 100%;
}
.sidebar > ul > li > a {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  height: 45px;
  align-items: center;
  box-sizing: border-box;
  padding: 0 15px;
  font-size: 18px;
}

.sidebar > ul > li > a img:nth-child(2) {
  display: none;
}
.sidebar > ul > li > ul {
  padding: 20px 45px 40px 45px;
  box-sizing: border-box;
  display: none;
}
.sidebar > ul > li > ul li a {
  display: block;
  line-height: 2;
  color: #666;
}
.sidebar > ul > li.current > a {
  background-color: #fe0000;
  color: #fff;
}
.sidebar > ul > li.current > a img:nth-child(1) {
  display: none;
}
.sidebar > ul > li.current > a img:nth-child(2) {
  display: block;
}

/* 列表 */
.list_num {
  width: 910px;
}
.list_num ul {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  flex-wrap: wrap;
  min-height: 400px;
}

.list_num ul li {
  max-width: 290px;
  width: 100%;
  background-color: #f5f5f5;
  padding: 30px 0;
  transition: all 0.4s ease;
  margin-bottom: 35px;
}
.list_num ul li img {
  width: 100%;
}
.list_num ul li h1 {
  margin-top: 35px;
  text-align: center;
  color: #666666;
  padding: 0 20px;
}
.list_num ul li h1 span {
  display: block;
  border-top: 1px solid #ccc;
  padding-top: 15px;
  transition: all 0.4s ease;
}
.list_num ul li a > span {
  display: block;
  overflow: hidden;
}
.list_num ul li a > span img {
  transition: all 0.4s ease;
}
.list_num ul li:hover {
  background-color: #e20002;
}
.list_num ul li:hover a > span img {
  transform: scale(1.1);
}
.list_num ul li:hover h1 span {
  color: #fff;
}
.list_num ul li.sm {
  visibility: hidden;
  height: 0;
  margin: 0;
  padding: 0;
  margin: 0;
}

/* 分页 */
.paging {
  text-align: center;
  display: flex;
  display: -webkit-flex;
  justify-content: center;
  width: 100%;
}
.paging a {
  border-right: 1px solid #ededed;
  border-top: 1px solid #ededed;
  border-bottom: 1px solid #ededed;

  padding: 2px 7px;
  font-size: 12px;
  color: #666;
}
.paging a:first-child {
  border-left: 1px solid #ededed;
}
.paging a.current {
  background-color: #e20002;
  color: #fff;
}

/* 详情页 */
.page_info .con {
  width: 100%;
}
.page_info .con .info {
  min-height: 400px;
  padding: 0 10px;
  color: #666;
}
.page_info .con .info p {
  padding: 5px 0;
}
.page_info .con .info p img {
  max-width: 100%;
}
.page_info .con .pages {
  color: #666;
  border-top: 1px solid #ccc;
  padding: 10px 0;
}
.page_info .con .pages a {
  color: #666;
}
.page_info .con .pages a:hover {
  color: #e20002;
}
/* 新闻页 */
.news_list_num {
  width: 100%;
}
.news_list_num ul {
  min-height: 400px;
  padding-bottom: 35px;
}
.news_list_num ul li {
  width: 100%;
  border-bottom: 1px dashed #ddd;
}
.news_list_num ul li a {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  color: #666;
  line-height: 40px;
}
.news_list_num ul li a h1::before {
  content: "▪";
  font-size: 16px;
  color: #a90f11;
  padding-right: 10px;
}
.news_list_num ul li a .title {
  width: 800px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.news_list_num ul li:hover {
  border-bottom: 1px solid #a90f11;
}
.news_list_num ul li:hover a {
  color: #a90f11;
}

.page_info .con .info .title {
  text-align: center;
  line-height: 40px;
  font-size: 16px;
  font-weight: bold;
  color: #666;
}
.page_info .con .info .sub_title {
  text-align: center;
  font-size: 12px;
  line-height: 30px;
  color: #666;
}
.page_info .con .info .sub_title b {
  color: #f30;
  padding-right: 20px;
  font-weight: 100;
}
.page_info .con .info .newsd_info {
  padding: 20px 0;
}
.page_info .con .info .newsd_info p {
  color: #666;
  line-height: 1.5;
  font-size: 12px;
}

/* 文件下载页 */
.download_list_num {
  width: 100%;
}
.download_list_num ul {
  min-height: 400px;
  padding-bottom: 35px;
}
.download_list_num ul li {
  width: 100%;
  border: 1px solid #ddd;
  box-sizing: border-box;
  padding: 0 15px;
  margin: 5px 0;
}
.download_list_num ul li a {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  color: #666;
  line-height: 40px;
}

.download_list_num ul li a .title {
  width: 800px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.download_list_num ul li:hover {
  border: 1px solid #a90f11;
}
.download_list_num ul li:hover a {
  color: #a90f11;
}

/* 联系我们页 */
.contact {
  width: 910px;
}
.contact .address {
  padding-bottom: 20px;
}
.contact .address .title {
  font-size: 16px;
  color: #666;
  font-weight: bold;
  padding: 10px 0;
  line-height: 1.5;
}
.contact .address p,
.contact .address a {
  color: #666;
  line-height: 1.5;
}
.contact .map {
  width: 700px;
  height: 380px;
}
.contact .map iframe {
  width: 100%;
  height: 100%;
  border: none;
}
/* 同步带长度计算 */
.belt {
  width: 100%;
  margin:0 auto;
}
.belt .title {
  font-size: 18px;
  color: #e20002;
}
.belt .form .top {
  display: flex;
  display: -webkit-flex;
  flex-wrap: wrap;
}
.belt .form div {
  padding: 10px;
}
.belt .form label {
  color: #666;
  padding-right: 10px;
}
.belt .form input {
  color: #666;
  font-size: 12px;
  padding: 0 5px;
  box-sizing: border-box;
}
.belt .form select {
  font-size: 12px;
  color: #666;
}
.belt .form button {
  color: #666;
  font-size: 12px;
  padding: 0 10px;
}
.belt .form .top div:last-child {
  width: 100%;
}
.belt .form .center {
  border-top: 1px solid #ccc;
  border-bottom: 1px solid #ccc;
}
.belt .form .bottom {
  text-align: center;
}
.belt .form .bottom p {
  color: #666;
  padding-top: 15px;
  color: #e20002;
}
.belt .form span {
  color: #666;
  padding: 0 5px;
}
.belt .form .bright {
  color: #666;
}

/* 移动端导航  */
.mobile_btn {
  display: none;
}
.mobile_btn .btn {
  background-color: #c61d22;
  width: 45px;
  height: 45px;
  border-radius: 5px;
  display: flex;
  display: -webkit-flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  box-sizing: border-box;
  padding: 0 8px;
}
.mobile_btn .btn span {
  width: 100%;
  height: 3px;
  margin: 4px 0;
  background-color: #fff;
}
.mobile_menu {
  position: fixed;
  top: 50px;
  z-index: 100;
  background-color: #fff;
  width: 100%;
  height: 100%;
  display: none;
}
.mobile_menu ul li {
  border-bottom: 1px dashed #ccc;
  padding: 10px 0;
}
.mobile_menu ul li a {
  color: #666;
  font-size: 16px;
  padding: 0 10px;
  width: 100%;
  height: 100%;
  display: block;
}
.mobile_menu .head {
  display: flex;
  display: -webkit-flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px dashed #ccc;
  padding: 10px;
}
.mobile_menu .head h1 {
  font-size: 22px;
  font-weight: bold;
  color: #666;
}
.mobile_menu .head .remove {
  width: 40px;
  height: 40px;
  display: flex;
  display: -webkit-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #ccc;
  border-radius: 20px;
}

@media (max-width: 1200px) {
  .w1200 {
    width: 100%;
    padding: 0 10px;
    box-sizing: border-box;
  }
  .header {
    height: 100px;
  }
  .header .left {
    max-width: 200px;
  }
  .product .title {
    margin-top: 30px;
  }
  .about .w1200 {
    padding-top: 30px;
  }
  .footer .top .w1200 {
    padding: 30px 10px;
  }
  .page .crumbs .w1200 h1 {
    font-size: 22px;
  }
  .page .crumbs .w1200 {
    line-height: 45px;
  }
  .list_num ul li {
    width: 33%;
  }
  .sidebar > ul > li > a {
    font-size: 16px;
  }
  
  .news_list_num ul li a .title {
    width: 80%;
  }
  .news_list_num ul li a {
    padding: 0 10px;
  }
  
  .download_list_num ul li a .title {
    width: 80%;
  }
  .contact {
    width: 100%;
  }
  .belt {
    width: 100%;
  }
}

@media (max-width: 1099px) {
  .header .right {
    display: none;
  }
  .mobile_btn {
    display: block;
  }
  .product .product_list .left {
    width: 50%;
  }
  .product .product_list .right {
    width: 50%;
  }
  .product .product_list .right {
    height: auto;
    max-height: 300px;
  }
  .product .product_list .right ul li a {
    height: 98px;
    padding: 0 20px;
  }
  .service {
    padding-top: 30px;
    padding-bottom: 50px;
  }
  .service .w1200 {
    padding: 0;
  }
  .service .w1200 {
    height: 220px;
  }
  .footer .top .w1200 {
    padding: 20px 10px;
  }
  .footer .top .w1200 .left {
    max-width: 200px;
  }
  .footer .top .w1200 .left img {
    width: 100%;
  }
  .footer .top .w1200 .right div {
    max-width: 120px;
  }
  .footer .top .w1200 .right div img {
    width: 100%;
  }
  .footer .bottom p {
    line-height: 40px;
  }
  .footer_image {
    padding: 0;
  }
  .page_info .w1200 {
    flex-wrap: wrap;
  }
  .sidebar {
    width: 100%;
  }
  .sidebar > ul {
    display: flex;
    display: -webkit-flex;
    justify-content: space-around;
    flex-wrap: wrap;
  }
  .sidebar > ul > li {
    max-width: 250px;
  }
  .page .crumbs .w1200 h1 {
    font-size: 18px;
  }
  .list_num {
    width: 100%;
    max-width: 910px;
    margin: 0 auto;
    padding: 10px;
  }
  .list_num ul li {
    margin-top: 15px;
    margin-bottom: 0px;
  }
  .paging {
    margin-top: 20px;
  }
  .news_list_num {
    width: 100%;
    margin: 10px auto;
  }
  .download_list_num {
    width: 100%;
    margin: 10px auto;
  }
  .contact {
    max-width: 910px;
    margin: 0 auto;
    width: 100%;
    padding: 0 10px;
  }
  .belt {
    width: 100%;
    max-width: 910px;
    margin: 10px auto;
  }
  .service ul li{
    width:25%;
  }
  .service ul li.current {
    width: 25%;
   background: none;
  }
  .service ul li.current .center{
    display: none;
  }
  .service ul li.current .right{
    display: none;
  }
  .service ul li.current .left span{
    background: none;
  }
  .service ul li.current .left span img{
    margin-top:-120px;
  }
  .service ul li.current:nth-child(3) a .left span img{
    margin-top:-120px;
  }
  .service ul li.current:nth-child(4) a .left span img{
    margin-top:-120px;
  }
}
@media (max-width: 991px) {
  .header {
    height: 85px;
  }
  .header .left {
    width: 180px;
  }
  .banner .swiper-button-next {
    /* display: none; */
    width: 60px;
    height: 60px;
    background-size: 30%;
  }
  .banner .swiper-button-prev {
    /* display: none; */
    width: 60px;
    height: 60px;
    background-size: 30%;
  }
  .banner .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
  }
  .product .title {
    margin-top: 20px;
  }
  .product .title h1 {
    font-size: 24px;
  }
  .product .title .desc {
    font-size: 14px;
  }
  .product .product_list .right ul li a {
    height: 76px;
  }
  .product .product_list .right ul li a h2 {
    font-size: 16px;
  }
  .service {
    padding-top: 20px;
    padding-bottom: 30px;
  }
  .service .w1200 {
    height: 180px;
  }
  .service ul li a .left h1 {
    font-size: 18px;
    padding-top: 10px;
  }
  .service ul li .center {
    height: 130px;
    margin: 0 10px 0 0px;
  }
  .about .left .title {
    font-size: 24px;
  }
  .about .right .text {
    font-size: 18px;
    padding-top: 30px;
  }
  .about .right .image {
    max-width: 250px;
    box-sizing: border-box;
  }
  .about .right .image img {
    width: 100%;
  }
  .about .left .info p {
    padding-top: 10px;
  }
  .about .left .more {
    margin-top: 20px;
  }
  .footer .top .w1200 .left {
    width: 180px;
  }
  .footer .top .w1200 .center h1 {
    font-size: 18px;
  }
  .footer .top .w1200 .right h1 {
    font-size: 18px;
  }
  .list_num ul li {
    padding: 15px 0;
  }
  .list_num ul li h1 {
    margin-top: 20px;
  }
}
@media (max-width: 768px) {
  .header {
    height: 70px;
  }
  .header .left {
    width: 150px;
  }
  .banner .swiper-button-next {
    width: 40px;
    height: 40px;
  }
  .banner .swiper-button-prev {
    width: 40px;
    height: 40px;
  }
  .product .title .sub {
    margin: 0;
  }
  .product .title {
    width: 100%;
  }
  .product .product_list {
    flex-wrap: wrap;
    justify-content: center;
  }
  .product .product_list .left {
    width: 100%;
  }
  .product .product_list .right {
    width: 100%;
    max-width: 589px;
  }
  .about .w1200 {
    justify-content: center;
  }
  .about .left {
    width: 100%;
    max-width: 520px;
    padding: 0;
    padding-bottom: 20px;
  }
  .about .right {
    display: none;
  }
  .product .title h1 {
    font-size: 18px;
  }
  .product .product_list .right ul li a h2 {
    font-size: 14px;
  }
  .about .left .title {
    font-size: 18px;
  }
  .about .left .more a {
    font-size: 14px;
  }
  .footer .top .w1200 .center h1 {
    font-size: 16px;
  }
  .footer .top .w1200 .right h1 {
    font-size: 16px;
  }
  .footer .top .w1200 {
    flex-wrap: wrap;
  }
  .footer .top .w1200 .left {
    padding-bottom: 10px;
  }
  .product .product_list .right {
    background-repeat: repeat;
  }
  .sidebar > ul > li {
    max-width: 220px;
  }
  .list_num ul {
    justify-content: space-around;
  }
  .list_num ul li {
    width: 48%;
    max-width: 290px;
  }
  .contact .map {
    width: 100%;
    height: 250px;
  }
}

@media (max-width: 460px) {
  .mobile_btn .btn {
    width: 40px;
    height: 43px;
  }
  .product .title h1 {
    font-size: 16px;
  }
  .product .title .desc {
    font-size: 12px;
  }
  .product .product_list .right ul li a h2 {
    font-size: 12px;
  }
  .service ul li a .left span {
    width: 100%;
    height: 60px;
  }
  .service ul li a .left h1 {
    font-size: 14px;
  }
  .service ul li a .left span img {
    transform: scale(0.8);
  }
  .service .w1200 {
    height: 120px;
  }
  .about .left .title {
    font-size: 16px;
  }
  .about .left .info p {
    font-size: 12px;
  }
  .footer .top .w1200 .center h1 {
    font-size: 14px;
    padding-left: 0;
  }
  .footer .top .w1200 .center ul li a {
    font-size: 12px;
  }
  .footer .top .w1200 .right h1 {
    font-size: 14px;
  }
  .list_num ul li h1 span {
    font-size: 12px;
  }
  .sidebar > ul > li > a {
    font-size: 14px;
    height: 35px;
  }
  .sidebar > ul > li > ul li a {
    font-size: 12px;
  }
  .sidebar > ul > li > ul {
    padding: 10px 20px;
  }
  .page_info .w1200 {
    padding-top: 15px;
  }
  .page .crumbs .w1200 h1 {
    font-size: 14px;
  }
  .page .crumbs .w1200 .link {
    font-size: 12px;
  }
  .page .crumbs .w1200 .link a {
    font-size: 12px;
  }
  .page .crumbs .w1200 {
    line-height: 30px;
  }
  .page_info .con .pages {
    font-size: 12px;
  }
  .page_info .con .pages a {
    font-size: 12px;
  }
  .news_list_num ul li a .title {
    width: 70%;
    font-size: 12px;
  }
  .news_list_num ul li a .add_time {
    font-size: 12px;
  }
  .page_info .con .info .title {
    font-size: 14px;
  }
  .page_info .con .info .newsd_info {
    padding: 0;
  }
  .download_list_num ul li a .title {
    width: 70%;
    font-size: 12px;
  }
  .download_list_num ul li a .add_time {
    font-size: 12px;
  }
  .download_list_num ul {
    padding: 0;
  }
  .news_list_num ul {
    padding: 0;
  }
  .contact .address .title {
    font-size: 14px;
  }
  .contact .address p,
  .contact .address a {
    font-size: 12px;
  }
  .page_info .con .info {
    font-size: 12px;
  }
  .header .left {
    width: 135px;
  }
  .footer .top .w1200 .left {
    width: 135px;
  }
}