@charset "utf-8";

body {
  color: #333;
  font-family: "思源黑体";
  font-size: 14px;
  line-height: 26px;
}

* {
  margin: 0;
  padding: 0;
  font-family: "思源黑体" !important;
}

ul li {
  list-style: none;
}

.clearboth {
  clear: both;
}

a {
  text-decoration: none;
  color: inherit;
}

a:hover {
  text-decoration: none;
  color: #1712bc;
}

.page {
  text-align: center;
  margin: 10px 0;
  width: 100%;
  float: left;
}

.page a {
  background: #b3b3b3;
  color: #fff;
  margin: 0 2px;
  padding: 2px 8px;
}

.page a.dq,
.page a:hover {
  background: #555;
}

/*导航*/
#header {
  width: 100%;
  background: #fff;
  height: 500px;
}

#header {
  position: relative;
  overflow: hidden;
  background: transparent;
}

#header .container {
  position: relative;
}

#header .container .logo {
  float: left;
  font-size: 2em;
  color: #222;
  padding: 20px 0;
}

#nav2 {
  display: none;
  background: url(../images/bg.jpg) top center no-repeat;
  margin-top: 60px;
}

.nav {
  position: relative;
  z-index: 1;
}

.nav a {
  color: #fff;
  margin-top: 6px;
  margin-right: 30px;
}

.nav a i {
  padding-left: 10px;
  color: #9a9a9a;
}

.nav .nLi {
  float: left;
  position: relative;
  display: inline;
  border-right: 1px solid #9a9a9a;
}

.nav .nLi h3 {
  float: left;
  margin: 0;
  display: inline;
}

.nav .last h3 {
  margin-right: 0;
}

.nav .nLi h3 a {
  display: block;
  padding: 0 34px;
  font-size: 0.7em;
  line-height: 15px;
  height: 15px;
  font-weight: normal;
  color: #000000;
}

.nav .nLi h3 a:hover {
  color: #064fec;
}

.nav .sub {
  display: none;
  width: 180px;
  max-height: 800px;
  left: 0;
  top: 46px;
  position: absolute;
  background: #fff;
  line-height: 42px;
  z-index: 9999;
}

.has-child a {
  font-weight: 550;
}

.sub-child {
  margin: 0;
  padding-left: 18px;
  list-style: none;
}

.sub-child li {
  line-height: 32px;
}

.sub-child li a {
  font-weight: normal;
  color: #444;
  font-size: 15px;
}

.nav .sub li {
  zoom: 1;
  text-align: left;
  color: #333;
  font-size: 1.2em;
  line-height: 42px;
}

.nav .sub li.last {
  margin-right: 0;
}

.nav .sub li a {
  color: #333;
  padding: 0 15px;
  display: block;
}

.nav .sub li a:hover {
  display: block;
  background: #0357bd;
  color: #fff;
}

.nav .sub li img {
  width: 150px;
}

.nav .on h3 a {
  color: #064fec;
}

.nav-box2 {
  display: block;
  float: right;
  position: relative;
  margin-top: 8px;
}

.nav-box2 h3 {
  margin-top: 7px;
}

.nav-box2 ul {
  display: none;
  width: 160px;
  position: absolute;
  top: 60px;
  right: 0;
  background: url(../images/bg.png) repeat;
  z-index: 9998 !important;
  padding: 10px 0;
}

.nav-box2 ul li {
  text-align: center;
  line-height: 2.3;
}

.nav-box2 ul li a {
  color: #fff;
  display: block;
  font-size: 16px;
}

.nav-box2 ul li a:hover {
  color: #fff;
  background: #a9b1bb;
}

.nav .nLi:nth-child(5) .sub.sub2 {
  column-count: 2;
  column-gap: 20px;
  width: 550px;
  padding: 20px;
  background: #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav .nLi:nth-child(5) .sub.sub2 li {
  break-inside: avoid;
  display: block;
  width: 100%;
}

#slideBox {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

#slideBox .bd,
#slideBox .bd ul,
#slideBox .bd li {
  height: 100%;
}

#slideBox .bd li img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ul-tab1 {
  display: flex;
  gap: 20px;
  padding: 0;
  margin: 30px 0;
  list-style: none;
  margin-left: -60px;
  border-bottom: 2px solid #ddd;
  padding-bottom: 15px;
  margin-bottom: 25px;
}

.ul-tab1 li {
  flex: 1;
  max-width: 200px;
}

.ul-tab1 li a.con {
  display: block;
  padding: 15px 20px;
  text-align: center;
  font-size: 20px;
  font-weight: 500;
  border-radius: 8px;
  color: #333;
  text-decoration: none;
  transition: all 0.3s ease;
}

.ul-tab1 li a.con:hover {
  background-color: #d0d0d0;
}

#banner .container {
  padding: 0;
}

.slideBox {
  width: 100%;
  overflow: hidden;
  position: relative;
}

.slideBox .hd {
  overflow: hidden;
  position: absolute;
  left: 50%;
  width: 105px;
  margin-left: -55px;
  bottom: 10px;
  z-index: 1;
}

.slideBox .hd ul {
  overflow: hidden;
  zoom: 1;
  float: left;
}

.slideBox .hd ul li {
  float: left;
  margin-right: 5px;
  width: 30px;
  height: 5px;
  line-height: 14px;
  text-align: center;
  background: #fff;
  cursor: pointer;
}

.slideBox .hd ul li.on {
  color: #fff;
}

.slideBox .bd {
  position: relative;
  height: 100%;
  z-index: 0;
  text-align: center;
  overflow: hidden;
}

.slideBox .bd li {
  zoom: 1;
  vertical-align: middle;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slideBox .bd img {
  max-width: 100%;
  display: block;
  margin: 0 auto;
}

.product {
  text-align: center;
  background: #efefef;
  margin-top: 60px;
  padding: 90px 0;
  padding-bottom: 30px;
}

.product .title {
  padding: 0 50px;
  padding-bottom: 30px;
  height: 46px;
  line-height: 46px;
  background: #a9b1bb;
  color: #fff;
  font-size: 26px;
  text-align: center;
  margin: 30px auto;
  margin-top: -115px;
  width: 280px;
  border-radius: 0 20px 0 20px;
  font-weight: bold;
}

.product h3 {
  font-size: 2.7em;
  color: #fff;
  margin: 0 auto;
  letter-spacing: 3px;
  width: 400px;
  background: url(../images/line2.png) center no-repeat;
  margin-bottom: 5px;
}

.product p {
  font-size: 1.3em;
  letter-spacing: 2px;
  line-height: 2;
}

.pro {
  position: relative;
  margin: 15px 0 0 0;
}

.pro a {
  color: #333;
}

.swiper-product {
  width: 100%;
  height: 100%;
  z-index: 0 !important;
}

.swiper-product .swiper-slide {
  text-align: center;
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  margin-bottom: 50px;
}

.pro-bg {
  width: 100%;
  overflow: hidden;
}

.pro-bg img {
  width: 100%;
  transform: scale(1, 1);
  transition-duration: 0.5s;
}

.pro-bg img:hover {
  transform: scale(1.1, 1.1);
  transition-duration: 0.5s;
}

#product img {
  width: 96%;
}



.pro2-title {
  margin: 0 auto;
  margin-bottom: 20px;
  text-align: center;
}

.pro2-title .en {
  font-size: 16px;
  color: #999;
}

.pro2-title .cn {
  line-height: 36px;
  font-size: 26px;
  font-weight: bold;
  color: #222;
  margin-bottom: 10px;
}

.pro2-title img {
  display: block;
  margin: 0 auto;
  max-width: 100% !important;
}

.pro2-content ul {
  margin-left: -2%;
  margin-right: -2%;
  width: 104%;
}

.pro2-content ul li {
  float: left;
  width: 46%;
  margin: 0 2%;
  text-align: center;
  font-size: 1.3em;
  line-height: 2;
}

.pro2-content ul li a {
  font-size: 15px;
  color: #555;
}

.product2 .more {
  width: 150px;
  height: 42px;
  line-height: 42px;
  border-radius: 21px;
  font-style: italic;
  font-size: 16px;
  text-align: center;
  margin: 0 auto;
  margin-top: 30px;
  color: #fff;
  background: #a9b1bb;
  display: block;
}

.pro-bottom .container {
  background: #f5f5f5;
  padding-top: 20px;
  padding-bottom: 15px;
}

.pro-bottom h3 {
  text-align: left;
  margin-top: 0;
  padding-bottom: 10px;
  font-size: 1.8em;
  font-weight: bold;
  color: #064fec;
  border-bottom: 1px solid #ddd;
}

.pro-bottom ul li {
  display: inline-block;
  /* float: left; */
  margin-right: 30px;
  font-size: 13px;
  line-height: 2;
}

.sy_about {
  width: 100%;
  background: url(../images/about_bj.jpg) no-repeat center;
  padding: 40px 0;
}

.sy_about .nr {
  position: relative;
}

.sy_about .nr .n_left {
  position: none;
  top: 60px;
  left: 0;
  z-index: 99;
  width: auto;
  background: #fff;
  padding: 30px 40px;
}

.sy_about .nr .n_left .tit {
  font-size: 26px;
  color: #222;
  margin-bottom: 10px;
  font-weight: bold;
}

.sy_about .nr .n_left .d {
  color: #989898;
  font-size: 18px;
  margin-bottom: 30px;
}

.sy_about .nr .n_left .con {
  line-height: 28px;
  font-size: 16px;
  color: #555;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  /* -webkit-line-clamp: 6; */
  -webkit-box-orient: vertical;
  height: 170px;
}

.sy_about .nr .n_left .more {
  width: 150px;
  height: 42px;
  line-height: 42px;
  border-radius: 21px;
  font-style: italic;
  font-size: 16px;
  text-align: center;
  margin-top: 30px;
  color: #a9b1bb;
  border: 1px solid #a9b1bb;
  display: block;
}

.sy_about .nr .n_left .more:hover {
  background: #a9b1bb;
  color: #fff;
}

.sy_about .nr .n_right {
  float: right;
  text-align: right;
  overflow: hidden;
}

.sy_about .nr .n_right img {
  max-width: 100%;
  display: block;
  margin: 0 auto;
  transform: scale(1, 1);
  transition-duration: 0.5s;
}

.sy_about .nr .n_right img:hover {
  transform: scale(1.1, 1.1);
  transition-duration: 0.5s;
}

.news {
  padding: 20px 0;
  background: url(../images/new_bj.jpg) no-repeat right bottom;
}

.news .pro-bg {
  width: 100%;
  overflow: hidden;
  border-radius: 0 40px 0 40px;
}

.news p {
  font-size: 13px;
  line-height: 24px;
  color: #555;
}

.sy_news {
  margin-top: 30px;
}

.sy_news .tit {
  height: 40px;
  border-bottom: 1px solid #ddd;
  margin-bottom: 20px;
}

.sy_news .tit span {
  display: block;
  width: 120px;
  line-height: 38px;
  border-bottom: 2px solid #1712bc;
  font-size: 22px;
  color: #222;
}

.sy_news .n_list {
  margin-bottom: 20px;
}

.sy_news .n_list ul {
  margin: 0;
}

.sy_news .n_list ul li {
  line-height: 38px;
  border-bottom: 1px dashed #ddd;
  font-size: 16px;
}

.sy_news .n_list ul li a {
  color: #555;
  display: block;
  line-height: 38px;
  overflow: hidden;
}

.sy_news .n_list ul li a i {
  padding-right: 10px;
  color: #c26b36;
}

.sy_news .n_list ul li a:hover {
  color: #c26b36;
}

.news .more {
  width: 150px;
  height: 42px;
  line-height: 42px;
  border-radius: 21px;
  font-style: italic;
  font-size: 16px;
  text-align: center;
  margin: 0 auto;
  margin-top: 10px;
  color: #fff;
  background: #a9b1bb;
  display: block;
}

.banner {
  margin-top: 0;
}

.banner img {
  width: 100%;
}

.banner_pc {
  display: none;
}

.banner_phone {
  display: block;
}

.sider-main {
  padding: 30px 0;
  background: #f5f7fa;
}

.sider-nav {
  padding: 15px 0;
  font-size: 15px;
}

.sider-title {
  background: #e93131;
  padding: 15px;
  margin-top: 5px;
  border-radius: 10px;
}

.sider-title h3 {
  margin: 0;
  font-size: 2em;
  color: #fff;
}

.sider-title p {
  font-size: 1.5em;
  color: #fff;
  margin-bottom: 0;
}

.sider-content {
  margin-top: 20px;
}

.sider-content ul li {
  height: 40px;
  line-height: 40px;
  background: #f1f1f1;
  padding: 0 10px;
  margin: 10px 0;
  position: relative;
  border-radius: 10px;
}

.sider-content ul li:hover,
.sider-content ul li.active {
  background: #064fec;
}

.sider-content ul li a {
  font-size: 1.2em;
  width: 100%;
  display: block;
  color: #000000 !important;
}

.sider-content ul li span {
  font-weight: bold;
  position: absolute;
  top: 0;
  right: 10px;
}

.sider-content ul li:hover a,
.sider-content ul li.active a,
.sider-content ul li:hover span,
.sider-content ul li.active span {
  color: #fff;
}

.menu1 {
  display: none;
  float: right;
}

.menu1 ul li {
  display: inline-block;
  padding: 0 20px;
  border-right: 1px solid #ddd;
}

.menu1 ul li i {
  color: #c26b36;
  padding-right: 10px;
}

.menu1 ul li a:hover {
  color: #c26b36;
}

.menu1 .active a {
  color: #c26b36;
}

.menu2 {
  display: block;
  overflow: hidden;
}

.menu3 {
  display: none;
}

.sider-title2 {
  border-bottom: 2px solid #e5e5e5;
  padding-bottom: 5px;
}

.sider-title2 .st2-left {
  float: left;
  font-size: 1.4em;
  color: #000;
  line-height: 38px;
}

.sider-title2 .st2-left i {
  color: #c26b36;
  padding-right: 10px;
}

.sider-title2 .st2-right {
  float: right;
  color: #888;
}

.sider-content2 {
  font-size: 14px;
  line-height: 2;
  padding-bottom: 0;
}

.sider-content2 .title {
  margin: 0 auto;
  margin-bottom: 30px;
  text-align: center;
}

.sider-content2 .title .en {
  font-size: 16px;
  color: #999;
}

.sider-content2 .title .cn {
  line-height: 36px;
  font-size: 26px;
  font-weight: bold;
  color: #222;
}

.about {
  padding: 20px 0;
  background: #a9b1bb;
  position: relative;
  margin-bottom: 30px;
  height: 700px;
}

.about .about-img {
  transform: translate(34px, -34px);
  -ms-transform: translate(34px, -34px);
  -o-transform: translate(34px, -34px);
  overflow: hidden;
  -webkit-transform: translate(34px, -34px);
  -moz-transform: translate(34px, -50px);
}

.img_scale img {
  transition: transform cubic-bezier(0.215, 0.61, 0.355, 1) 0.6s;
  -ms-transition: transform cubic-bezier(0.215, 0.61, 0.355, 1) 0.6s;
  -o-transition: transform cubic-bezier(0.215, 0.61, 0.355, 1) 0.6s;
  -webkit-transition: transform cubic-bezier(0.215, 0.61, 0.355, 1) 0.6s;
  -moz-transition: transform cubic-bezier(0.215, 0.61, 0.355, 1) 0.6s;
}

.img_scale:hover img {
  transform: scale(1.1);
  -ms-transform: scale(1.1);
  -o-transform: scale(1.1);
  -webkit-transform: scale(1.1);
  -moz-transform: scale(1.1);
}

.about .about-desc {
  padding: 0 8% 0 16%;
  position: relative;
}

.about .about-desc::before {
  content: attr(data-text);
  display: inline-block;
  text-transform: uppercase;
  font-size: 30px;
  line-height: 1;
  letter-spacing: 3px;
  color: #fff;
  transform-origin: 0 100%;
  -webkit-transform-origin: 0 100%;
  transform: rotateZ(90deg);
  -ms-transform: rotateZ(90deg);
  -o-transform: rotateZ(90deg);
  -webkit-transform: rotateZ(90deg);
  -moz-transform: rotateZ(90deg);
  filter: progid:DXImageTransform.Microsoft.BasicImage(rotation=1);
  position: absolute;
  top: -5%;
  left: 5%;
}

.about .about-desc h3 {
  font-size: 30px;
  line-height: 1;
  color: #fff;
  font-weight: 700;
  margin-bottom: 30px;
}

.about .about-desc h3 em {
  color: #232323;
  font-style: normal;
}

.about .about-desc p {
  font-size: 14px;
  line-height: 28px;
  color: #fff;
  margin-bottom: 0;
  text-indent: 2em;
}

.about .about-desc span {
  font-size: 12px;
  line-height: 24px;
  color: #fff;
  display: block;
  margin-top: 25px;
}

.about .about-desc span::before {
  content: '';
  width: 214px;
  height: 12px;
  background: url(../images/about-line.png) no-repeat;
  display: block;
  margin-bottom: 12px;
}

.about img {
  width: 100%;
}

.wenhua {
  width: 100%;
  padding: 30px 0;
  background: #fff;
}

.wenhua .l {
  border: 1px solid #f3f3f3;
  padding: 30px 30px;
  text-align: center;
  margin-bottom: 15px;
}

.wenhua .l img {
  max-width: 100%;
  display: block;
  margin: 0 auto;
  transition: all 0.4s;
}

.wenhua .l h3 {
  font-size: 26px;
  line-height: 1;
  margin: 50px 0;
}

.wenhua .l .nr {
  font-size: 16px;
  line-height: 30px;
  height: 60px;
  margin-bottom: 20px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  /* -webkit-line-clamp: 6; */
}

.wenhua .l:hover {
  box-shadow: 2px 5px 10px #ddd;
}

.wenhua .l:hover img {
  transform: rotate(360deg);
}

.pro2 {
  height: 450px;
  background: #fff;
  padding: 20px 30px;
  text-align: left;
  line-height: 32px;
  margin: 20px 0;
  font-size: 1.1em;
  border-radius: 15px;
}

.pro2 .tit {
  font-size: 20px;
  line-height: 30px;
  color: #222;
  margin-bottom: 10px;
  margin-top: 10px;
}

.pro2 .con {
  line-height: 24px;
  color: #999;
  font-size: 16px;
  text-align: left;
  height: 100px;
  
}

.pro2 .more {

  font-size: 18px;
  display: flex;
  text-align: left;
  

}

.pro2 .more span {
  float: right;
  display: none;
}

.pro2 .more i {
  color: #c26b36;
  font-size: 18px;
  padding-left: 10px;
}

.pro2:hover {
  box-shadow: 2px 5px 10px #ddd;
}

.pro2:hover .tit {
  color: #c26b36;
}

.pro2:hover .con {
  color: #c26b36;
}

.pro2:hover .more a {
  color: #c26b36;
}

.pro2:hover .more span {
  display: block;
  color: #c26b36;
  font-size: 24px;
}

.pro2:hover .more i {
  display: none;
}

.pro2:hover img {
  transform: scale(1.1, 1.1);
  transition-duration: 0.5s;
}

.pro2 p {
  margin-bottom: 0;
}

.pro2 img {
  width: 100%;
  /* margin-left: 8px; */
}

.product-show {
  padding: 30px 0;
}

.picFocus {
  margin: 0 auto;
  width: 100%;
  position: relative;
  overflow: hidden;
  zoom: 1;
}

.picFocus .hd {
  width: 100%;
  padding-top: 5px;
  overflow: hidden;
}

.picFocus .hd ul {
  margin-right: -5px;
  overflow: hidden;
  zoom: 1;
}

.picFocus .hd ul li {
  padding-top: 5px;
  float: left;
  width: 23%;
  text-align: center;
  margin: 0 0.8%;
}

.picFocus .hd ul li img {
  width: 100%;
  border: 2px solid #ddd;
  cursor: pointer;
  margin-right: 5px;
}

.picFocus .hd ul li.on {
  background: url("../images/icoUp.gif") no-repeat center 0;
}

.picFocus .hd ul li.on img {
  border-color: #064fec;
}

.picFocus .bd li {
  vertical-align: middle;
}

.picFocus .bd img {
  width: 100%;
  height: 100%;
  display: block;
}

.pro-wz ul li {
  line-height: 2;
  padding: 10px 0;
  font-size: 1.2em;
  border-bottom: 1px solid #e5e5e5;
  color: #555;
}

.pro-wz ul li i {
  color: #c26b36;
  padding-right: 10px;
}

.sm {
  width: 100%;
  float: left;
  margin-top: 20px;
}

.sm .smbt {
  border-bottom: solid 1px #dadada;
  width: 100%;
  float: left;
}

.sm .smbt span {
  background: #ce3434;
  color: #fff;
  padding: 5px 60px;
  border-radius: 20px 0 20px 0;
  font-size: 20px;
  float: left;
}

.sm .neirong {
  padding: 10px;
  line-height: 2;
  float: left;
  font-size: 1.1em;
  color: #555;
}

.sm .neirong p {
  margin-bottom: 0;
}

.sm .neirong img {
  display: block;
  max-width: 100% !important;
  margin: 0 auto;
  height: auto !important;
}

.sm .neirong table {
  width: 100% !important;
}

.contact {
  padding: 10px 0;
}

.ct-content2 {
  font-size: 14px;
  line-height: 1.8;
  color: #555;
  padding: 30px 25px;
  background: #fff;
}

.ct-content2 h2 {
  margin-top: 0;
}

#footer {
  color: #fff;
  font-family: "思源黑体";
  background: #e93131;
}

#footer a {
  color: #aaa;
}

#footer .ft1 {
  padding: 50px 0 30px 0;
  background: #ce3434;
}

#footer .ft1 dl dt {
  font-size: 1.3em;
  font-weight: weight;
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid #aaa;
}

#footer .ft1 dl dd {
  font-size: 14px;
  line-height: 2;
  color: #eee;
}

#footer .ft1 dl dd a {
  color: #eee;
}

#footer .ft1 dl dd p {
  margin-bottom: 0;
}

#footer .ft1 dl dd img {
  display: block;
  max-width: 180px;
  margin: 0 auto;
}

#footer .ft1 .l {
  display: none;
}

#footer .ft2 {
  background: #1712bc;
  text-align: center;
  color: #fff;
  padding: 10px 0;
  font-size: 0.9em;
  line-height: 1.8;
  border-top: 1px solid #aaa;
}

#footer .ft2 a {
  color: #fff;
}

@media (min-width:768px) {
  #header {
    height: auto;
  }

  #header .container {
    padding: 0;
  }

  #header .container .logo {
    font-size: 2.8em;
    padding: 25px 0;
  }

  .top {
    display: none;
  }

  #nav2 {
    display: none;
  }

  #nav2 .container {
    padding: 0;
  }

  .nav-box2 {
    display: block;
  }

  /* .nav .nLi h3 {} */

  .nav .last h3 {
    margin-right: 0;
  }

  .nav .nLi h3 a {
    display: block;
    padding: 0 34px;
    font-size: 0.7em;
    line-height: 15px;
    height: 15px;
    font-weight: normal;
    color: #000000;
  }

  .wz {
    display: block;
  }

  .product .container {
    padding: 0;
  }

  .product2 .container {
    padding: 0;
  }

  .pro-bottom .container {
    padding: 15px;
  }

  .product {
    margin-top: 100px;
    padding: 90px 0;
    padding-bottom: 90px;
  }

  .product .title {
    padding: 0 70px;
    height: 80px;
    line-height: 80px;
    font-size: 36px;
    margin: 50px auto;
    margin-top: -130px;
    width: 500px;
    border-radius: 0 40px 0 40px;
  }

  .product h3 {
    font-size: 2.7em;
    letter-spacing: 3px;
    width: 400px;
    margin-bottom: 5px;
  }

  .product p {
    font-size: 1.3em;
  }

  .pro2-content ul {
    margin-left: -1%;
    margin-right: -1%;
    width: 102%;
  }

  .pro2-content ul li {
    width: 18%;
    margin: 0 1%;
  }

  .tel {
    display: block;
  }


  .pro2-title {
    margin: 0 auto;
    margin-bottom: 60px;
    text-align: center;
  }

  .pro2-title .en {
    font-size: 16px;
  }

  .pro2-title .cn {
    line-height: 50px;
    font-size: 36px;
  }

  .pro2-title img {
    display: block;
    margin: 0 auto;
    max-width: 100%;
  }

  .product2 .more {
    width: 210px;
    height: 50px;
    line-height: 50px;
    border-radius: 25px;
    font-size: 20px;
    margin-top: 50px;
  }

  .sy_about {
    padding: 70px 0;
  }

  .sy_about .nr .n_left {
    position: absolute;
    top: 60px;
    left: 0;
    width: 420px;
    padding: 50px 60px;
  }

  .sy_about .nr .n_left .tit {
    font-size: 36px;
    color: #222;
    margin-bottom: 20px;
  }

  .sy_about .nr .n_left .d {
    color: #989898;
    font-size: 18px;
    margin-bottom: 30px;
  }

  .sy_about .nr .n_left .con {
    line-height: 28px;
    font-size: 16px;
    color: #555;
  }

  .sy_about .nr .n_left .more {
    width: 200px;
    height: 46px;
    line-height: 46px;
    border-radius: 25px;
    font-size: 18px;
    margin-top: 30px;
  }

  .news {
    padding: 50px 0;
  }

  .news .more {
    width: 210px;
    height: 50px;
    line-height: 50px;
    border-radius: 25px;
    font-size: 20px;
    margin-top: 50px;
  }

  .banner {
    margin-top: 0;
  }

  .banner_pc {
    display: block;
  }

  .banner_phone {
    display: none;
  }

  .sider-content2 .title {
    margin-bottom: 60px;
  }

  .sider-content2 .title .en {
    font-size: 16px;
  }

  .sider-content2 .title .cn {
    line-height: 46px;
    font-size: 36px;
  }

  .about .about-desc {
    padding: 3% 4% 10px 7.5%;
    position: relative;
  }

  .about .about-desc p {
    font-size: 16px;
  }

  .about .about-desc1 {
    padding: 0 4% !important;
  }

  .wenhua {
    padding: 50px 0;
  }

  .wenhua .l {
    padding: 40px 30px;
    margin-bottom: 0;
  }

  .wenhua .l h3 {
    font-size: 30px;
    line-height: 1;
    margin: 50px 0;
  }

  .wenhua .l .nr {
    font-size: 16px;
    line-height: 30px;
    height: 60px;
    margin-bottom: 20px;
  }

  .sider-nav .container {
    padding: 0;
  }

  .sider-main .container {
    padding: 0;
  }

  .menu1 {
    display: block;
  }

  .menu2 {
    display: none;
  }



  .contact {
    padding: 20px 0;
  }

  .ct-content2 {
    padding: 50px 35px;
  }

  #footer .ft1 .container {
    padding: 0;
  }

  #footer .ft1 .l {
    display: block;
  }
}

@media(min-width:1000px) {
  .menu3 {
    display: block;
    margin-top: 18px;
  }

}

#header {
  position: relative;
  overflow: hidden;
  background: url(../images/header_bj.jpg) no-repeat center/cover;
  /* 一张图搞定 */
  width: 100%;

  aspect-ratio: 1920/ 900;
  /* 原图比例，想改随意调 */

}

/* ③ 如果一定要让高度随屏幕再微调，用 max-height / min-height 即可 */
@media (max-width: 992px) {
  #header {
    aspect-ratio: 1200 / 600;
    /* 平板比例 */
  }
}

@media (max-width: 576px) {
  #header {
    aspect-ratio: 750 / 500;
    /* 手机比例 */
  }
}

/* ④ 极端屏（折叠屏、横屏）再限个高，避免出现过高空白 */
@media (max-height: 500px) and (orientation: landscape) {
  #header {
    max-height: 100vh;
  }
}

@media (min-width:992px) {
  .top {
    display: block;
  }

  #nav2 {
    display: block;
  }

  .nav-box2 {
    display: none;
  }

  #header .container .logo {
    font-size: 3.44em;
    padding: 30px 0;
  }

  .nav .last h3 {
    margin-right: 0;
  }

  .ns h3 {
    margin-top: 0;
  }

  .nav .nLi h3 a {
    padding: 0 24px;
  }

  .contact {
    padding: 30px 0;
  }

  .wenhua {
    padding: 50px 0;
  }

  .wenhua .l {
    padding: 70px 60px;
    margin-bottom: 0;
  }

  .wenhua .l h3 {
    font-size: 30px;
    line-height: 1;
    margin: 50px 0;
  }

  .wenhua .l .nr {
    font-size: 16px;
    line-height: 30px;
    height: 60px;
    margin-bottom: 20px;
  }

  #owl-demo1 {
    display: block;
  }
}

@media (min-width:1200px) {
  /* .nav .nLi h3 {} */

  .nav .last h3 {
    margin-right: 0;
  }

  .nav .nLi h3 a {
    padding: 0 38px;
  }

  .contact {
    padding: 30px 0;
  }

  .sider-title2 {
    border-bottom: 2px solid #e5e5e5;
    padding-bottom: 5px;
    margin-left: 100px;
  }

}

@media (max-width: 600px) {
  .ul-tab1 {
    flex-direction: column;
    align-items: center;
  }

  .ul-tab1 li {
    width: 100%;
    max-width: none;
  }
}

.l dd li {
  list-style: none;
}

@media (max-width: 767px) {
  .row1 {
    display: flex;
    flex-wrap: wrap;
  }

  .col-md-4.col-sm-6.col-xs-6 {
    display: flex;
    flex-direction: column;
    height: 450px;
  }

  .pro2 {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .pro2 .con {
    flex-grow: 1;
  }
}