body {
  font-family: "Microsoft YaHei", 微软雅黑, "Microsoft JhengHei", 华文细黑,
    STHeiti, MingLiu;
  overflow-x: hidden;
}
.container {
  max-width: 1400px;
  margin: auto;
}
.top {
  background: #267efa;
  padding: 10px 0;
}
 tr {font-size: 18px;line-height: 2.5 !important;}
td {font-size: 18px;line-height: 2.5 !important;}
tr p{font-size: 18px;line-height: 2.5 !important;}
td p{font-size: 18px;line-height: 2.5 !important;}
.top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.top p {
  color: #fff;
}
.top .hotline span {
  font-weight: bold;
  color: #fff;
}
.top .hotline span img {
  width: 24px;
}
.nav_ul li .hot{
  position: absolute;
    top: 10px;
    right: -12px;
  /* transform: translateY(-4px); */
}
header {
  width: 100%;
  position: fixed;
  top: 0;
  left: 0;
  background: #fff;
  z-index: 100;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  /* height: 90px;
  line-height: 90px; */
}

.nav_ul {
  width: 75%;
  display: flex;
  justify-content: space-between;
}
.nav_ul li {
  position: relative;
}
.nav_ul .txt {
  display: none !important;
  position: absolute;
  top: 100%;
  left: -29px;
  left: 50%;
  transform: translate(-50%, 0px);
  width: calc(100% + 60px);
  background: rgba(229, 229, 229, 0.7);
}
.nav_ul .txt a {
  opacity: 0;
  transition: all 0.5s;
  color: #3173c1;
  text-align: center;
  display: block;
  height: initial;
  line-height: 2;
  padding: 10px;
  font-size: 14px;
  border-bottom: 1px solid #fff !important;
}
.nav_ul .txt .ali:last-child {
  border-bottom: 0px !important;
}
.nav_ul .txt a:hover {
  background: #fff;
}

.nav_ul li:hover .txt a {
  opacity: 1;
}

.nav_ul li a {
  display: block;
  height: 80px;
  line-height: 80px;
  color: #333;
  font-size: 18px;
  padding: 0 5px;
}
.nav_ul li .on,
.nav_ul li > a:hover {
  color: #2a6bb8;
  border-bottom: 2px solid #2a6bb8;
}
.banner {
  position: relative;
  margin-top: 128px;
  overflow: hidden;
}
.details {
  position: relative;
  margin-top: 128px;
  overflow: hidden;
}
.sitemap {
  position: relative;
  top: -100px;
  padding: 100px;
  z-index: 999;
  background: #fff;
}
.bread_a {
  top: 20%;
}
.sitemap h4 {
  text-align: center;
  font-size: 30px;
  font-weight: 700;
}
.sitemap_ul {
  margin: 20px 0;
}
.lastli a {
  font-size: 20px !important;
  font-weight: 600;
}
.lastli a:first-child {
  padding-left: 0;
}
.sitemap_ul h4 {
  margin: 20px 0;
  text-align: left;
  font-size: 20px;
  font-weight: 700;
  padding-bottom: 20px;
  border-bottom: 1px solid #95b6da;
}
.sitemap_ul li {
  margin-bottom: 50px;
}
.sitemap_ul a {
  display: inline-block;
  padding: 20px 40px;
  font-size: 14px;
}
.details {
  margin-bottom: 50px;
}
.banner img {
  width: 100%;
}
.banner .swiper-slide img {
  width: 100%;
  height: auto;
  min-height: 100%;
  transition: 1s linear 2s;
  transform: scale(1.1, 1.1);
}

.banner .swiper-slide-active img,
.banner .swiper-slide-duplicate-active img {
  transition: 6s linear;
  transform: scale(1, 1);
}
.swiper-button-next,
.swiper-container-rtl .swiper-button-prev {
  right: 79px;
}
.swiper-button-prev,
.swiper-container-rtl .swiper-button-next {
  left: 79px;
}
.swiper-button-next,
.swiper-button-prev {
  width: 46px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 50%;
}
.swiper-pagination-bullet-active,
.swiper-pagination-bullet {
  background: #fff;
}
.index_about {
  margin: 60px auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.index_about .left {
  width: 47%;
}
.index_about .left h3 {
  font-size: 28px;
  font-weight: bold;
  color: #2a6bb8;
}
.index_about .left p{line-height: 1.76;font-size: 16px;}
.index_about .left .net_p {
  margin-top: 40px;
  font-size: 14px;
}
.index_about .left h4 {
  font-size: 20px;
  font-weight: unset;
  display: flex;
  align-items: center;
  margin: 20px 0;
}
.index_about .left h4::before {
  content: "";
  display: inline-block;
  background: #2a6bb8;
  width: 40px;
  height: 1px;
  margin-right: 5px;
}

.index_about .right {
  width: 50%;
  display: flex;
  justify-content: space-between;
}
.index_about .right img {
  width: 80%;
}
.index_about .right ul {
  width: 20%;
  background: #2a6bb8;
  color: #fff;
  text-align: center;
  font-size: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  padding: 0 20px;
}

.index_about .right ul li {
  border-bottom: 1px solid #2a6bb8;
  padding-bottom: 20px;
}
.index_about .right ul li{    font-size: 16px; }
.index_about .right ul li:last-child {
  border-bottom: 0px;
}
.index_about .right ul span {
  font-size: 24px;
  font-weight: bold;
}
.what {
  position: relative;
  margin-bottom: 60px;
}
.what img {
  width: 100%;
  /* background: url('../img/luyuekejizuosm_beijing.jpg') no-repeat center / cover; */
}
.what .mian {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* background: rgb(255, 255, 255, 0.4); */
  /* background: #2a6bb8; */
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.what_line {
  background: url("../img/banner99.jpg") no-repeat center / cover;
}
.Chemical .what {
  background: url("../img/banner98.jpg") no-repeat center / cover;
}
.what .container {
  text-align: center;
  width: 640px;
}
.what h4 {
  font-size: 30px;
  margin-bottom: 20px;
}
.what p {
  font-size: 18px;
  color: #fff;
  font-weight: bold;
}
.what_line h4 {
  font-size: 32px;
}
.what_line p {
  font-size: 20px;
}
.index_case {
  display: flex;
  justify-content: space-between;
}
.index_case a {
  display: inline-block;
}
.index_case li {
  width: 49%;
  margin-right: 2%;
}
.index_case li:nth-child(2n) {
  margin-right: 0;
}
.index_case li img,
.index_system li img {
  transition: all 0.5s;
  width: 100%;
}
.index_case li .img {
  overflow: hidden;
}
.index_case li a {
  background: #f8f8f8;
}
.index_case li p {
  margin: 20px;
  font-size: 18px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.index_case li:hover img {
  transform: scale(1.2);
}
.index_system {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin: 20px auto;
}
.index_system li {
  overflow: hidden;
  position: relative;
  width: 23%;
box-shadow: 6px 6px 10px rgba(38, 126, 250, 0.5);
  margin-top: 2%;
}
.index_system li:last-child {
  margin-right: 0;
}
.index_system .text {
  transition: all 0.5s;
  opacity: 1;    padding: 2%;
  position: absolute;
  left: 0%;
  top: 0%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0);
 
  align-items: center;
  justify-content: center;
}
.index_system .text span {font-size: 16px;
	color: #fff;}
.index_system .text p {
  position: relative;
  font-size: 16px;
  color: #333;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
 
.index_system li:hover .text {
  opacity: 1;
}

.Chemical .title {
  text-align: center;
  transform: translateY(50px);
  margin-bottom:50px;
}
.Chemical .title h1 {
  font-size: 30px;
}
.Chemical .title p {
  font-size: 16px;
  color: #757576;
  font-weight: bold;
  margin: 15px 0;
}

.Chemical .what {
  position: relative;
  z-index: 9;
  top: -50px;
  margin-bottom: 0;
}
.Chemical .what .container {
  width: 805px;
}
.what .p {
  display: flex;
  justify-content: center;
  align-items: center;
}
.what .p p {
  font-size: 22px;
  display: flex;
  align-items: center;
}
.what .p p img {
  width: 30px;
  margin-right: 12px;
  transform: translateY(-2px);
}
.what .p span {
  /* font-size: 16px; */
  font-weight: bold;
}
.btn {
  border-radius: 10px;
  font-size: 20px;
  padding: 15px 35px;
  color: #fff;
  background: #fff;
}
.index_round {
  height: 600px;
  transform: translateY(48px);
  position: relative;
  /* overflow: hidden; */
  background: url("../img/roud.png") no-repeat;
  background-size: 100% auto;
  z-index: 99;
}
/* .round {
  position: absolute;
  top: 0;
  left: 0;
  height: 1000px;
  width: 100%;
  border: 0px dashed #ccc;
  border-radius: 50%;
  transform: translate(0px, 7%);
} */
.index_round img {
  height: 300px;
  margin-top: 20px;
}
.round_nav {
  display: flex;
  width: 100%;
  justify-content: space-between;
}
.round_nav li {
  transition: all 0.5s;
  padding: 4px;
  width: 100px;
  height: 100px;
  border: 1px solid #ccc;
  background: #fff;
  border-radius: 50%;
  text-align: center;
}
.round_nav li a {
  transition: all 0.5s;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  /*font-size: 16px;*/
  width: 100%;
  height: 100%;
  padding: 0 7px;
    line-height: 26px;
    font-size: 15px;
}
.round_nav li:hover {
  transform: scale(1.2);
}
.round_nav li:hover a {
  background: #2a6bb8;
  color: #fff;
}
.round_nav li.active {
  /* width: 120px;
  height: 120px; */
  transform: scale(1.2);
}
.round_nav li.active a {
  background: #2a6bb8;
  color: #fff;
}
.round_nav li:nth-child(1) {
  position: absolute;
  left: -2%;
  top: 48%;
}
.round_nav li:nth-child(2) {
  position: absolute;
  left: 9%;
  top: 18%;
}
.round_nav li:nth-child(3) {
  position: absolute;
  left: 26%;
  top: -1%;
}
.round_nav li:nth-child(4) {
  position: absolute;
  left: 47%;
  top: -6%;
}
.round_nav li:nth-child(5) {
  position: absolute;
  right: 26%;
  top: -1%;
}
.round_nav li:nth-child(6) {
  position: absolute;
  right: 9%;
  top: 18%;
}
.round_nav li:nth-child(7) {
  position: absolute;
  right: -2%;
  top: 48%;
}

.nav_content {
  text-align: center;
  position: absolute;
  top: 18%;
  left: 50%;
  transform: translate(-50%, 0);
  z-index: 2;
}
.nav_content .text h4 {
  font-size: 18px;
  font-weight: bold;
}
.nav_content .text p {
  font-size: 16px;
  color: #757576;
}
.index_ul {
  margin: 50px auto;
  display: flex;
  justify-content: space-between;
}
.index_ul li {
  position: relative;
  padding: 40px 0 140px;
  flex: 1;
  border-left: 1px solid #e9f0f8;
  border-right: 1px solid hsl(212, 52%, 94%);
  text-align: center;
}
.index_ul li img {
  width: 100%;
  height: 100%;
}
.index_ul .text h4 {
  position: relative;
  font-size: 16px;
  color: #2a6bb8;
}
.index_ul li .text h4 {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.index_ul li .text h4::after {
  /* transform: translateX(2px); */
  content: "";
  display: block;
  width: 3px;
  height: 20px;
  background: transparent;
}
.index_ul li:nth-child(6) .text h4::after {
  transform: translateX(2px);
  content: "";
  display: block;
  width: 3px;
  height: 20px;
  background: #2a6bb8;
}
.index_ul .text h4::before {
  content: "";
  display: block;
  width: 3px;
  height: 20px;
  background: #2a6bb8;
  transform: translateX(-2px);
}
.index_ul .text img {
  width: 40px;
  margin: 60px 0 20px;
}
.index_ul .text_div h3,
.index_ul .main_div h4 {
  font-size: 18px;
}
.index_ul .text_div p {
  font-size: 14px;
  color: #787878;
}
.banner .bread .on {
  color: #2a6bb8;
}

.index_ul .text {
  opacity: 1;
  transition: all 0.5s;
}
.index_ul .main {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 1;
  transition: all 0.5s;
}
.index_ul .main_div {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  text-align: center;
  color: #fff;
  background: rgba(0, 0, 0, 0.3);
}
.index_ul .main_div span {
  width: 10px;
  height: 10px;
  background: #fff;
  display: inline-block;
  border-radius: 50%;
  margin: 40px 5px;
}

.index_ul .main_div p {
  font-size: 14px;
  padding: 0 58px;
}
.index_ul li:hover .text {
  opacity: 0;
}
.index_ul li:hover .main_div {
 background: rgba(38, 126, 250, 0.7);
}
.index_ul li:hover .main_div span{
 color:#267EFA;
}
.index_banner {
  margin: 60px auto;
  padding: 30px 0 0;
  background: #e0e0e0;
}
.index_banner .title {
  transform: translateY(0px);
  margin-bottom: 30px;
}
.swiper_service {
  padding-bottom: 100px;
}
.swiper_service a {
  display: inline-block;
}
.swiper_service img {
  width: 100%;
}
.swiper_service .swiper-slide-next {
  width: 50% !important;
}
.swiper_service .swiper-slide {
  width: 50% !important;
}
.swiper_service .swiper-slide-active .text {
  display: block;
}
.swiper_service .text {
  position: absolute;
  display: none;
  width: 300px;
  padding: 40px 20px;
  background: #fff;
  box-shadow: 0px 0px 5px #f0f0f0;
  transform: translate(10%, -75%);
}
.swiper_service .text h4 {
  font-size: 18px;
  margin-bottom: 10px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.swiper_service .text .p {
  font-size: 14px;
  color: #787878;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  margin-bottom: 15px;
  height: 80px;
}
.swiper_service .text img {
  width: 30px;
  margin: 30px 0 10px;
}

.swiper_next,
.swiper_prev {
  width: 30px;
  background: transparent;
  left: 72%;
  top: initial;
  bottom: 20%;
}
.swiper_prev {
  left: 65%;
}
.index_new {
  margin: 50px auto;
}

.index_newul {
  position: relative;
  display: flex;
  justify-content: center;
  margin-bottom: 30px;
  font-size: 30px;
  font-weight: bold;
}
.index_newul a {
  transition: all 0.5s;
}
.index_newul .on {
  color: #2a6bb8;
}
.index_newul a:hover {
  color: #2a6bb8;
}
.more {
  position: absolute;
  right: 0;
  top: 50%;
  font-size: 14px;
}
.index_lis {
  display: flex;
}
.index_lis li {
  transition: all 0.5s;
  width: 32.33%;
  margin-right: 1.5%;
  border-top: 1px solid #e4e4e4;
}
.index_lis li:last-child {
  margin-right: 0;
}
.index_lis li a {
  width: 100%;
  padding: 20px 0;
}
.index_lis li:hover {
  border-top: 1px solid #2a6bb8;
}
.index_lis li:hover h5 {
  color: #2a6bb8;
}
.index_lis li:hover a p .img {
  display: inline-block;
}
.index_lis li:hover a p img {
  display: none;
}
.index_lis li .main {
  overflow: hidden;
}
.index_lis li .main img {
  transition: all 0.5s;
  width: 100%;
}
.index_lis li:hover .main img {
  transform: scale(1.2);
}
.index_lis h5 {
  font-size: 18px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.index_lis p {
  font-size: 14px;
  color: #cccccc;
}
.index_lis .main {
  width: 100%;
  margin: 10px 0;
  height: 328px;
}
.index_lis p img {
  opacity: 1;
  transition: all 0.5s;
  height: 26px;
}
.index_lis p .img {
  display: none;
  width: 40px;
}
footer {
  font-weight: bold;
  background: #2a6bb8;
  margin-top: 50px;
}
footer dt {
  margin-bottom: 15px;
  font-size: 16px;
}
footer dd {
  font-size: 14px;
}
footer .dls a {
  display: inline-block;
}

footer .dls dl:last-child dd,
footer .dls dl:nth-child(4) dd {
  color: #333;
}
footer .dls dd a,
footer .dls a,
.footer .first_dl dd:last-child a,
.f_link .firend_link a,
.f_link .firend_link {
  /* color: #666666; */
  color: #fff;
}
.footer {
  padding: 50px 0 30px;
  display: flex;
  justify-content: space-between;
  color: #fff;
}
.footer .first_dl {
  width: 38%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.footer .first_dl dd:last-child {
  margin-top: 60px;
  transform: translate(100%, 0);
}
.footer .dls {
  width: 60%;
  display: flex;
  justify-content: space-between;
}
.f_link {
  border-top: 1px solid #f1f1f1;
  padding: 30px 0;
}
.f_link .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.f_link .firend_link a {
  margin-right: 5px;
  /* color: #666; */
}

.f_link .ewm a {
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background: #cecece;
  border-radius: 50%;
  transition: all 0.5s;
}
.f_link .ewm a:hover {
  background: #acacac;
}
.ewm .weixin,
.ewm .douyin {
  position: relative;
}

.weixin_ewm {
  transition: all 0.5s;
  display: none;
  position: absolute;
  z-index: 9;
  top: -352%;
  left: -120%;
}
.douyin_ewm {
  transition: all 0.5s;
  opacity: 0;
  position: absolute;
  z-index: 9;
  top: -352%;
  left: -100%;
}
.douyin::after {
  transition: all 0.5s;
  opacity: 0;
  position: absolute;
  /* z-index: 9; */
  top: -100%;
  left: -36%;
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-left: 40px solid transparent;
  border-right: 30px solid transparent;
  border-top: 30px solid #fff;
}
.weixin::after {
  transition: all 0.5s;
  opacity: 0;
  position: absolute;
  /* z-index: 9; */
  top: -100%;
  left: -74%;
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-left: 40px solid transparent;
  border-right: 30px solid transparent;
  border-top: 30px solid #fff;
}
.weixin:hover .weixin_ewm,
.weixin:hover::after,
.douyin:hover .douyin_ewm,
.douyin:hover::after {
  opacity: 1;
}
.right_link {
  position: fixed;
  top: 80%;
  right: 0;
  transform: translate(-10%, -80%);
  z-index: 1000;
  height: 350px;
  height: 350px;
}
#newBridge .nb-icon-right-center{
  top: 28% !important;
}
#newBridge .icon-right-center{
  display: none;
}
.link_hover {
  background: #95b6da;
}
.link_hover a {
  position: relative;
  display: block;
  width: 60px;
  height: 60px;
  line-height: 60px;
  text-align: center;
  border-bottom: 1px solid #fff;
}
.link_hover a .txt {
  transition: all 0.3s;
  /* display: none; */
  position: absolute;
  top: 0;
  right: 40px;
  /* transform: translate(-102%, 0); */
  font-size: 18px;
  color: #fff;
  font-weight: 600;
  transform: scale(0);
  padding-right: 6px;
}
.link_hover a .txt img {
  margin-right: 20px;
}

.link_hover a .txt p {
  background: #95b6da;
  border-radius: 20px;
  min-width: 220px;
  padding-right: 10px;
}

.dismantling_line {
  padding: 50px 0;
}
.dismantling_line li a {
  display: flex;
  justify-content: space-between;
  margin-bottom: 30px;
}

.dismantling_line li:nth-child(2n) .left {
  order: 1;
}
.dismantling_line .right {
  width: 50%;
  overflow: hidden;
}
.dismantling_line .right .img {
  overflow: hidden;
  height: 337px;
}
.dismantling_line .right img {
  transition: all 0.5s;
  width: 100%;
  border-radius: 20px;
}
.dismantling_line li:nth-child(2n) .left {
  order: -1;
}
.dismantling_line li a:hover .right img {
  transform: scale(1.2);
}
.dismantling_line .left {
  width: 50%;
  padding: 30px 50px 70px 50px;
}
.dismantling_line .left h4 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 10px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.dismantling_line .left p {
  font-size: 16px;
  color: #797979;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.btn_a {
  transition: all 0.5s;
  font-size: 16px;
  display: inline-block;
  color: #fff;
  background: #95b6da;
  padding: 12px 40px;
  border-radius: 10px;
  margin-top: 60px;
}
.dismantling_line li:hover .btn_a {
  background: #2a6bb8;
}
.scheme {
  background: #143a66;
}
.scheme .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.scheme a {
  font-size: 16px;
  color: #fff;
  padding: 15px 0;
}
.bread {
  padding: 5px 0;
  font-size: 14px;
  color: #777777;
}
.bread a {
  color: #777777;
}
.bread .on {
  color: #2a6bb8;
}
.details .content {
  margin: 30px auto;
}
 video{
  width: 100% !important;
  /* height: initial !important; */
  margin-bottom: 30px;
}
.details .content img {
  max-width: 100%;
}
.details .content h1 {
  font-size: 28px;
  text-align: center;
  margin: 20px auto;
}
.derails_lis {
  border-top: 1px solid #c4c4c4;
  padding: 30px 0;
  margin-top: 40px;
}
.derails_lis .title {
  margin: 20px 0;
}
.derails_lis .title h4 {
  font-size: 28px;
  font-weight: bold;
  color: #2a6bb8;
}
.derails_lis .title p {
  font-size: 16px;
  display: flex;
  align-items: center;
  margin: 10px 0;
}
.derails_lis .title p::before {
  content: "";
  display: inline-block;
  background: #2a6bb8;
  width: 40px;
  height: 1px;
  margin-right: 10px;
}
.derails_banner .swiper-slide {
  transition: all 0.5s;
  padding: 20px 10px;
  border: 1px solid #f0f0f0;
}
.derails_banner .swiper-slide .img {
  overflow: hidden;
  height: 200px;
}
.derails_banner .swiper-slide img {
  transition: all 0.5s;
  width: 100%;
}
.derails_banner .swiper-slide p {
  margin: 20px auto;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  font-size: 18px;
}
.derails_banner .btns {
  display: flex;
  justify-content: space-between;
}
.derails_banner .btns a {
  transition: all 0.5s;
  display: inline-block;
  width: 48%;
  margin-right: 4%;
  padding: 10px 0;
  text-align: center;
  color: #333;
  border: 1px solid #f0f0f0;
  border-radius: 5px;
  font-size: 14px;
}
.derails_banner .btns a:last-child {
  color: #fff;
  background: #95b6da;
}
.derails_banner .btns a:last-child {
  margin-right: 0;
}
.derails_banner .swiper-slide:hover {
  border: 1px solid #2a6bb8;
}
.derails_banner .swiper-slide:hover img {
  transform: scale(1.2);
}
.derails_banner .swiper-slide .btns a:hover {
  color: #fff;
  background: #2a6bb8;
  border: 1px solid #2a6bb8;
}
.swiper_next img,
.swiper_prev img {
  width: 100%;
}
.swiper_next1 {
  bottom: initial;
  left: initial;
  top: 10%;
  right: 0;
}
.swiper_prev1 {
  bottom: initial;
  left: initial;
  top: 10%;
  right: 5%;
}
.banner .bread {
  color: #fff;
  position: absolute;
  bottom: 10%;
  left: 0;
  width: 100%;
  margin: auto;
}
.banner .bread a {
  color: #fff;
}
.chemical_nav {
  margin-bottom: 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-bottom: 1px solid #e5e5e5;
}
.chemical_nav a {
  transition: all 0.5s;
  padding: 20px 0;
  margin: 0 20px;
  border-bottom: 2px solid transparent;
  transform: translateY(2px);
  font-size: 18px;
}
.chemical_nav .on {
  color: #2a6bb8;
  border-bottom: 2px solid #2a6bb8;
  transform: translateY(2px);
}
.chemical_nav a:hover {
  color: #2a6bb8;
  border-bottom: 2px solid #2a6bb8;
}

.chemical_li li {
  background: #fafafa;
  display: flex;
  justify-content: space-between;
}
.chemical_li li .left {
  overflow: hidden;
  width: 65%;
}
.chemical_li li:hover .left img {
  transform: scale(1.2);
}
.chemical_li li .left img {
  transition: all 0.5s;
  width: 100%;
  height: 100%;
}
.chemical_li li .right {
  width: 35%;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.chemical_li .right h4 {
  font-size: 18px;
  margin-bottom: 10px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.chemical_li .right p {
  font-size: 14px;
  color: #7a7a7a;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.btns {
  margin-top: 60px;
  text-align: center;
}
.btns a {
  transition: all 0.5s;
  display: inline-block;
  width: 60%;
  padding: 14px 0;
  margin-bottom: 20px;
  border: 1px solid #dfdfdf;
  font-size: 14px;
}
.chemical_li .btns a:hover {
  background: #95b6da;
  color: #fff;
}

.equipment {
  display: flex;
  flex-wrap: wrap;
}
.equipment li,
.equipment li:nth-child(5n-1) {
  width: 31.33%;
  margin-right: 2%;
  margin-bottom: 20px;
  border: 1px solid #dfdfdf;
  padding: 20px;
}
.equipment li:hover .left {
  overflow: hidden;
}
.equipment li:hover .left img {
  transform: scale(1.2);
}
.equipment li .left {
  height:auto ;
  overflow: hidden;
}
.equipment li img {
  width: 100%;
  transition: all 0.5s;
}

.equipment li .right p {
text-align: center;
    font-size: 18px;
}
.equipment li .right h4 {
  text-align: center;
  font-size: 18px;
  padding: 10px 0;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
 
}
.equipment li:hover {
  border: 1px solid #2a6bb8;
}
.equipment .btns {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 0;
}
.equipment .btns a {
  transition: all 0.5s;
  width: 46%;
  margin-right: 4%;
  font-size: 14px;
}
.equipment .btns a:2n{margin-right: 0}
.equipment .btns a:hover:last-child,
.equipment .btns a:hover {
  background: #2a6bb8;
  color: #fff;
}

.pagination {
  text-align: center;
  margin-top: 10px;
}
.pagination a img {
  width: 40px;
}
.pagination li{margin-right: 10px;
    float: left;}
.pagination li a {
  transition: all 0.5s;
  font-size: 14px;
  width: 30px;
  height: 30px;
  text-align: center;
  line-height: 30px;
  margin: 5px;
  border-radius: 5px;
}
.pagination a:hover:first-child,
.pagination a:hover:last-child {
  background: transparent;
}
.page-num-current,
.pagination a:hover {
  color: #fff;
  background: #2a6bb8;
}

.description {
  margin: 20px auto;
  border-bottom: 1px solid #e4e4e4;
  display: flex;
  justify-content: space-between;
}
.description .left {
  width: 82%;
  display: flex;
  justify-content: space-between;
  /* height: 458px; */
}

.description .description_swiper {
  position: relative;
  width: 12%;
  margin: unset;
  text-align: center;
  padding-bottom: 50px;
}
.description .left .img {
  width: 45%;
  height: 450px;
  overflow: hidden;
  border: 1px solid #f0f0f0;
}
.description .left .txt {
  width: 52%;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.description .left img {
  transition: all 0.5s;
  width: 100%;
}
.description .left:hover img {
  transform: scale(1.2);
}
.description .left .txt h3 {
  font-size: 30px;
  font-weight: unset;
  margin-bottom: 10px;
}
.description h4 {
  font-size: 18px;
  font-weight: unset;
  margin-bottom: 10px;
}
.box_description {
  padding: 30px 20px;
  background: #f8f8f8;
}
.box_description p {
  font-size: 14px;
  color: #787878;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 8;
}
.description .btns {
  text-align: left;
  margin: 0 0 150px 50px;
}
.description .btns a {
  width: 35%;
  padding: 10px 0;
  margin: auto;
  background: #95b6da;
  color: #fff;
  text-align: center;
}

.description_swiper h4,
.description_swiper p {
  display: flex;
  align-items: center;
  text-align: center;
  justify-content: center;
}
.description_swiper p {
  padding: 10px 0;
  font-size: 16px;
}
.description_swiper h4::after,
.description_swiper h4::before {
  content: "";
  display: block;
  width: 24px;
  height: 1px;
  border-top: 2px dashed #e5e5e5;
  margin: 0 5px;
}

.description_swipercontainer {
  width: 100%;
  height: calc(176px * 3);
  padding-bottom: 20px;
  position: unset;
}

.swiper_next22,
.swiper_prev22 {
  left: 30%;
  bottom: 0%;
}
.swiper_prev22 {
  left: 70%;
}
.swiper_next22 img,
.swiper_prev22 img {
  width: 20px;
}
.description_swiper .swiper-slide {
  height: initial !important;
  margin-bottom: 0px !important;
}
.description_swiper .swiper-slide .img {
  overflow: hidden;
  text-align: center;
  border: 2px solid #f0f0f0;
}

.description_swiper .swiper-slide img {
  width: 120px;
  height: 120px;
  transition: all 0.5s;
}

.description_swiper .swiper-slide h4 {
  padding: 10px auto;
}

.description .line {
  width: 1px;
  /* height: 100%; */
  border-left: 2px dashed #e5e5e5;
  margin: 20px 0;
}

.chemical_lis .derails_banner .swiper-slide {
  border: 0px;
  background: #fafafa;
  padding: 0;
  margin-bottom: 60px;
  border-radius: 5px;
}
.chemical_lis .img {
  overflow: hidden;
}
.chemical_lis .txt {
  transition: all 0.5s;
  padding: 15px 20px;
  position: absolute;
  /* left: ; */
  /* bottom: -100px; */
  width: 100%;
  background: #fafafa;
}

.chemical_lis .txt h4 {
  font-size: 18px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}

.chemical_lis .txt p {
  font-size: 14px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  height: 84px;
}
.chemical_lis .derails_banner .swiper-slide:hover .txt {
  color: #fff;
  background: #2a6bb8;
  transform: translateY(-115px);
  /* bottom: -115px; */
}

.case {
  border-top: 0px;
  padding: 0;
  margin-top: 0;
}

.case_ul {
  display: flex;
  flex-wrap: wrap;
}
.case .derails_banner .txt p {
  transition: all 0.5s;
  opacity: 0;
}
.case .derails_banner .swiper-slide:hover .txt {
  transform: translateY(-115px);
}
.case .derails_banner .swiper-slide:hover .txt p {
  opacity: 1;
}
.case .derails_banner .swiper-slide {
  padding-bottom: 55px;
  margin-bottom: 40px;
  overflow: hidden;
}

.case_ul .swiper-slide {
  width: 49%;
  margin-right: 2%;
  margin-bottom: 50px;
}
.case_ul .swiper-slide:nth-child(2n) {
  margin-right: 0;
}
.skill {
  margin: 60px auto;
}
.skill li {
  margin-bottom: 20px;
  box-shadow: 0px 0px 5px #f0f0f0;
}
.skill li a {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  padding-right: 40px;
}
.skill .left {
  width: 35%;
  height: 300px;
  overflow: hidden;
}
.skill .left img {
  width: 100%;
  height: 100%;
  transition: all 0.5s;
}

.skill .right {
  width: 62%;
}
.skill .right h4 {
  transition: all 0.5s;
  font-size: 18px;
  margin-bottom: 10px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}
.skill .right p {
  font-size: 14px;
  color: #797979;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.skill .right .view {
  color: #9a9a9a;
  font-size: 14px;
  font-weight: bold;
  margin: 40px 0;
}
.skill li:hover h4 {
  color: #2a6bb8;
}
.skill li:hover .left img,
.index_system li:hover img {
  transform: scale(1.2);
}
.content_time {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 30px;
  color: #989898;
}
.content_time img:first-child {
  width: 17px;
  height: 17px;
}
.content_time img {
  width: 24px;
  height: 24px;
}

.new {
  display: flex;
  flex-wrap: wrap;
}
.new li {
  width: 32.33%;
  margin-right: 1.5%;
  box-shadow: 0 0 0 transparent;
  margin-bottom: 0;
}
.new li a {
  transition: all 0.5s;
  width: 100%;
  display: flex;
  flex-direction: column;
  border-top: 1px solid #cbcbcb;
  padding: 20px 0;
}
.new .right {
  width: 100%;
}
.new .right p {
  transition: all 0.5s;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  margin-bottom: 10px;
  font-size: 18px;
  /* height: 70px; */
}
.new .view {
  transition: all 0.5s;
  color: #cbcbcb;
  font-weight: bold;
  padding: 20px 0;
  font-size: 14px;
}

.new .view img {
  width: 26px;
  height: 26px;
}
.new .view .img {
  transition: all 0.5s;
  display: none;
}

.new .left {
  width: 100%;
}
.new .left img {
  width: 100%;
  height: initial;
}

.new li:nth-child(3n) {
  margin-right: 0;
}
.new li:hover a {
  border-top: 1px solid #2a6bb8;
}
.new li:hover .right p {
  color: #2a6bb8;
}
.new li:hover .view {
  color: #333;
}
.new li:hover .view img:first-child {
  display: none;
}
.new li:hover .view .img {
  display: inline-block;
}

.swiper_prev4 {
  left: 38%;
}
.swiper_next4 {
  left: 45%;
}
.description .btns a:hover {
  background: #2a6bb8;
}
.new_container li {
  box-shadow: 0 0 0 transparent;
}
.new_container li:hover h4 {
  color: #2a6bb8;
}
.contact .left,
.contact {
  width: 100%;
}
.contact .left h4 {
  margin-bottom: 50px;
}
.contact_us {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 30px;
}
.contact_us li {
  width: 25%;
  border-right: 1px solid #f4f4f4;
  text-align: center;
  padding: 20px 80px;
}
.contact_us li:last-child {
  border-right: 0px;
}
.contact_us li:nth-child(3) {
  padding: 20px 75px;
}
.contact_us li h4 {
  font-size: 18px;
  margin-bottom: 10px;
}
.contact_us li p {
  font-weight: bold;
  font-size: 14px;
  color: #777;
  word-break: break-all;
}
.about {
  padding: 40px 0;
}
.about .title {
  text-align: center;
}
.about .title h4 {
  font-size: 30px;
}
.about .title p {
  font-size: 14px;
  color: #777;
}

.about_ul .left {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px;
  color: #fff;
  width: 49%;
  background: url("../img/guanyuwomen_def.jpg") no-repeat center / cover;
  border-radius: 5px;
}
.about_ul a {
  margin: 30px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.about_ul .right {
  color: #fff;
  width: 49%;
}

.about_ul h4 {
  font-size: 22px;
  margin-bottom: 10px;
}
.about_ul .left p {
  font-size: 16px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  line-height: 2;
	text-indent:2em;
}
.about_ul button {
  transition: all 0.5s;
  margin: 30px 0;
  width: 26%;
  padding: 12px 0;
  background: transparent;
  border: 1px solid #fff;
  color: #fff;
  font-size: 14px;
}

.about_ul button:hover {
  background: #2a6bb8;
  border: 1px solid #2a6bb8;
}

.about_ul .right .top,
.about_ul .right .bottom {
  position: relative;
  padding: 0;
  height: 48%;
  margin-bottom: 4%;
}
.about_ul .right .bottom {
  margin-bottom: 0;
}
.about_ul .right .top img,
.about_ul .right .bottom img {
  width: 100%;
  height: 100%;
}
.about_ul .right .top .lis {
  width: 50%;
  height: 100%;
  background: rgb(47, 125, 191, 0.9);
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.about_ul .right .bottom .lis {
  width: 50%;
  height: 100%;
  background: rgb(47, 125, 191, 0.9);
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.about_ul .right .lis p {
  color: #fff;
  font-size: 18px;
}

.about_history {
  margin: 60px 0;
  background: url("../img/fazhanlicheng_def.jpg") no-repeat center / cover;
}
.about_history .main {
  padding: 40px 0;
  background-color: rgb(255, 255, 255, 0.8);
  text-align: center;
}
.about_history h1 {
  margin-bottom: 70px;
}
.about_history .line {
  width: 100%;
  height: 1px;
  background: #2a6bb8;
}
.line_history {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.line_history li {
  padding: 0 20px;
  width: 22%;
  margin-right: 4%;
  text-align: left;
  font-size: 16px;
}
.line_history li:last-child {
  margin-right: 0;
}
.line_history li::before {
  content: "";
  display: block;
  width: 12px;
  height: 12px;
  background: #2a6bb8;
  border-radius: 50%;
  transform: translateY(-7px);
}
.line_history li .time {
  transform: translateY(-70px);
  font-size: 20px;
  color: #2a6bb8;
  font-weight: bold;
}
.line_history li .time span {
  font-size: 16px;
}
.introduction {
  text-align: center;
}
.introduction .title {
  padding: 0 20.5%;
}
.introduction .title h1 {
  font-size: 30px;
  margin-bottom: 10px;
}
.introduction .title p {
  font-size: 14px;
  color: #777;
}
.introduction ul {
  margin-top: 40px;
  background: url("../img/tuanduijiesaho_def.jpg") no-repeat center/cover;
  display: flex;
  justify-content: space-between;
}
.introduction ul li {
  width: 25%;
  border-right: 2px solid #fff;
  padding: 40px 0;
  text-align: center;
}
.introduction ul img {
  /* width: 90px;
  height: 90px; */
}
.introduction ul p {
  font-weight: bold;
  font-size: 26px;
  margin-top: 10px;
}
.about_us .left {
  width: 46%;
}
.about_us .right {
  width: 46%;
}
.about_us .right img {
  width: 100%;
}
.about_us .left h4 {
  margin: 0 0 10px 0;
}
.data {
  position: relative;
  padding-top: 30px;
}
.data img {
  width: 100%;
}
.main_about {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  margin: auto;
}
.main_about .container {
  display: flex;
  justify-content: space-around;
  padding: 30px 0;
  text-align: center;
  box-shadow: 0 0 10px #f0f0f0;
  border-radius: 10px;
  font-size: 12px;
  background: #fff;
}
.main_about h4 span {
  font-size: 35px;
}

.main_about p {
  font-size: 14px;
  padding: 20px 0;
  position: relative;
}
.main_about p::before {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  background: #2a6bb8;
}
.culture_c {
  margin-bottom: 20px;
}
.culture {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.culture li {
  position: relative;
  width: 24%;
  margin-right: 1.33%;
}
.culture li:last-child {
  margin-right: 0;
}
.culture li img {
  width: 100%;
}
.culture li .main {
  opacity: 0;
  transition: all 0.5s;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  padding: 0 30px;
  background: #2a6bb8;
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.culture li .main h4 {
  font-weight: normal;
  font-size: 18px;
  margin-bottom: 5px;
}
.culture li .main p {
  font-size: 16px;
}
.culture li:hover .main {
  opacity: 1;
}
.advantage {
  padding: 60px 0;
  position: relative;
  background: url("../img/guanlituanduiwomendeyoushi_def.jpg") no-repeat
    center/cover;
}
.advantage::after {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  background: rgb(255, 255, 255, 0.8);
  z-index: 1;
}
.advantage .num {
  position: absolute;
  left: 0;
  bottom: -31%;
  width: 100%;
  height: 100%;
  font-size: 60px;
  font-weight: bold;
  text-align: center;
  color: #143a66;
  margin: auto;
}
.advantage .num .container {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-around;
  font-size: 60px;
  font-weight: bold;
  text-align: center;
  color: #143a66;
}
.advantage .num li {
  width: 25%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.advantage .num li::after {
  position: absolute;
  right: 0%;
  z-index: 3;
  content: "";
  display: block;
  width: 1px;
  height: 30px;
  background: #2a6bb8;
}
.advantage .num li:last-child:after {
  display: none;
}
.advantage .main {
  position: relative;
  z-index: 4;
}
.advantage .title {
  text-align: center;
  margin: 60px 0;
  padding: 0 27.6%;
}
.advantage .title h1 {
  font-size: 30px;
  margin-bottom: 10px;
}
.advantage .title p {
  font-size: 14px;
  color: #777;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  height: 170px;
}
.ad_ul {
  display: flex;
  justify-content: space-between;
  justify-content: space-around;
  font-size: 18px;
}
.ad_ul li {
  width: 25%;
  text-align: center;
}
.team {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 60px auto;
}
.team .left {
  width: 49%;
  margin-right: 2%;
}
.team .left img {
  width: 100%;
}
.team .right {
  width: 49%;
  margin-right: 0;
}
.team h1 {
  font-size: 30px;
  font-weight: normal;
  margin-bottom: 5px;
  font-weight: bold;
}
.factory_scene .swiper-slide img {
  transition: all 0.5s;
  width: 100%;
}
.chemical_lis .swiper-slide:hover .img img {
  transform: scale(1.2);
}
.factory_scene {
  margin: 20px auto;
  border-top: 0;
}
.factory_scene .swiper-slide a {
  position: relative;
}
.factory_scene .title h4 {
  color: #333;
}
.factory_scene .txt {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  background: rgb(0, 0, 0, 0.3);
  color: #fff;
  text-align: center;
  font-weight: normal;
}
.factory_scene .txt h4 {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  height: 35px;
}
.c_strength {
  display: flex;
  background: #f8f8f8;
  padding: 0 40px;
  margin: 120px auto;
  margin-bottom: 30px;
}
.c_strength li img {
  width: 100%;
  transform: translate(10%, -35%);
}
.c_strength li {
  width: 25%;
  margin-right: 5%;
}
.c_strength li:last-child {
  width: 70%;
  margin-right: 0%;
  font-size: 18px;
  display: flex;
  align-items: center;
}
.div_map img {
  width: 100%;
}
.history {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.history .left {
  width: 25%;
}
.history .right {
  width: 65%;
}
.history .right::before {
  position: absolute;
  top: 0;
  left: 31.1%;
  content: "";
  display: block;
  width: 2px;
  height: 100%;
  background: #d2e3f0;
}
.history .left li {
  border-bottom: 1px solid #d2e3f0;
  text-align: right;
}
.history .left .active a {
  position: relative;
  color: #2a6bb8;
}
.history .left .active a::after {
  position: absolute;
  z-index: 9;
  right: -25%;
  top: 0;
  content: "";
  display: block;
  width: 3px;
  height: 100%;
  background: #2a6bb8;
}
.history .left a {
  display: block;
  font-size: 26px;
  font-weight: bold;
  color: #d2e3f0;
  padding: 30px 0;
}
.history .right li {
  position: relative;
  padding-left: 30px;
}
.history .right .txt {
  position: relative;
  z-index: 3;
  background: #f8f8f8;
  padding: 30px;
  margin-bottom: 30px;
}
.history .right li::before {
  position: absolute;
  left: 0%;
  top: 20%;
  z-index: 1;
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-top: 30px solid transparent;
  border-right: 50px solid #f8f8f8;
  border-bottom: 30px solid transparent;
}
.history .right .txt h4 {
  font-size: 24px;
  color: #2a6bb8;
  margin-bottom: 5px;
}
.history .right .txt p {
  font-size: 14px;
}
.nav_box {
  display: none;
}
.cate {
  display: none;
}
/* .description .left:hover{

} */
/* .Chemical .what .btn{
  background: #86B650;
  } */

@media screen and (min-width: 1500px) {
  .container {
    width: 1400px;
  }
}

@media screen and (max-width: 1366px) {
  .container {
    max-width: 1200px;
  }
}

@media screen and (max-width: 1028px) {
  .nav_li a {
    padding: 0 5px;
  }
}

@media screen and (max-width: 768px) {
  .container {
    min-width: initial;
  }
}

@media screen and (max-width: 540px) {
  body {
    overflow-x: hidden;
  }
  header .top {
    display: none;
  }
  .about_ul button {
    width: 30%;
  }
  .about .title p {
    padding: 0 10px;
  }
  .banner img {
    height: 100px;
  }
  .btns a {
    padding: 10px 0;
    width: 55%;
  }
  .index_about .left h4 {
    margin: 0;
    margin-bottom: 4px;
  }
  .index_ul .main_div p {
    padding: 0 30px;
  }
  .more {
    right: 5px;
  }
  .weixin_ewm {
    left: -5%;
  }
  .weixin::after,
  .douyin::after {
    display: none;
  }
  .index_ul li {
    flex: none;
    width: 50%;
    padding: 30px 0 20px;
  }
  .index_ul li:nth-child(6) .text h4::after {
    background: transparent;
  }
  .nav_ul {
    display: none;
  }
  .nav_box {
    display: none;
    position: fixed;
    left: 0;
    top: 0;
    margin-top: 70px;
    width: 100%;
    height: 100%;
    background: #fff;
    z-index: 50;
    overflow: scroll;
  }
  .no_select {
    width: 80%;
    margin: auto;
    text-align: center;
    height: 500px;
  }
  .no_select li a {
    display: block;
    width: 100%;
    height: 60px;
    line-height: 60px;
    font-size: 16px;
  }
  .link_hover {
    display: none;
  }
  .banner .swiper-button-next,
  .banner .swiper-button-prev {
    display: none;
  }
  .swiper_prev {
    left: 59%;
  }
  .banner,
  .details,
  .sitemap {
    margin-top: 70px;
  }
  header {
    padding: 10px;
  }
  .cate {
    display: block;
  }
  .cate img {
    width: 40px;
  }
  .index_about,
  .index_ul {
    padding: 0 10px;
    flex-wrap: wrap;
  }
  .index_about .left,
  .index_about .right {
    position: relative;
    width: 100%;
  }
  .index_about .right {
    margin-top: 20px;
  }

  .index_about .right img {
    width: 100%;
  }
  .index_about .right ul {
    position: absolute;
    height: 100%;
    width: 36%;
  }
  .index_about .right ul span {
    font-size: 16px;
  }
  .index_about .right ul li {
    padding-bottom: 10px;
  }
  .index_about .right ul li:nth-child(2) {
    display: none;
  }
  .what {
    overflow: hidden;
  }
  .what h4 {
    font-size: 22px;
    margin-bottom: 0;
  }
  .what p {
    font-size: 14px;
  }
  .what img {
    width: initial;
    height: 140px;
  }
  .index_system li {
    width: 49%;
  }
  .index_system li:nth-child(2n) {
    margin-right: 0;
  }
  .Chemical .title h1 {
    font-size: 22px;
  }
  .Chemical .title p {
    margin: 0 0 10px 0;
  }
  .Chemical .title {
    margin-top: 30px;
    display: none;
  }
  .round_nav li {
    width: 60px;
    height: 60px;
  }
  .round_nav li a {
    font-size: 12px;
    font-weight: bold;
  }
  .round_nav,
  .nav_content,
  .index_round,
  .footer .dls {
    display: none;
  }
  .Chemical .what {
    top: 0;
  }
  .Chemical .what .container {
    padding: 0 10px;
  }

  .what h4 {
    font-size: 14px;
  }
  .btn {
    font-size: 12px;
  }
  .Chemical .what .p .btn {
    padding: 10px 20px;
  }
  .Chemical .what .p {
    margin-top: 10px;
  }

  .swiper_service .swiper-slide {
    width: 100% !important;
  }
  .swiper_service .text {
    position: absolute;
    display: none;
    width: 90%;
    left: -5%;
    padding: 8px 9px;
    background: #fff;
    box-shadow: 0px 0px 5px #f0f0f0;
    transform: translate(10%, -35%);
  }
  .swiper_service .text p {
    -webkit-line-clamp: 2;
  }
  .swiper_next,
  .swiper_prev {
    bottom: 2%;
    outline: none;
  }
  .index_newul {
    font-size: 22px;
    padding: 0 10px;
  }
  .footer .first_dl {
    width: 100%;
    padding: 0 10px;
  }
  .f_link {
    padding: 20px 10px;
  }
  .f_link .container {
    flex-wrap: wrap;
  }
  .index_lis {
    padding: 0 10px;
  }
  .f_link .ewm {
    order: -1;
    margin-bottom: 10px;
  }

  .footer .first_dl dd:last-child {
    margin-top: 30px;
    transform: translate(0%, 0);
  }

  .dismantling_line li a {
    flex-wrap: wrap;
    padding: 0 10px;
  }
  .dismantling_line .left,
  .dismantling_line .right {
    width: 100%;
  }
  .dismantling_line .left {
    padding: 30px 50px;
  }
  .btn_a {
    margin-top: 20px;
  }
  .dismantling_line {
    padding: 0 0;
  }
  /* .banner img {
    height: 140px;
  } */
  .scheme .container,
  .details {
    padding: 0 10px;
  }
  .bread {
    padding: 5px 10px;
  }
  .details .content {
    margin: 20px auto;
  }
  .details .content h1 {
    font-size: 22px;
  }
  .derails_banner .swiper_prev {
    left: 77%;
  }
  .derails_banner .swiper-slide p {
    font-size: 16px;
  }
  .btns {
    margin-top: 30px;
  }
  .derails_banner .btns {
    flex-wrap: wrap;
    margin: 0;
  }
  .derails_banner .btns a {
    width: 100%;
  }
  .chemical_li li {
    flex-wrap: wrap;
  }
  .chemical_li li .left,
  .chemical_li li .right {
    width: 100%;
  }
  .chemical_li li .right {
    padding: 26px;
  }
  .chemical_li {
    padding: 0 10px;
  }
  .equipment {
    padding: 0 10px;
  }
  .equipment li .right h4 {
    padding: 5px 0;
    height: 40px;
  }

  .equipment .btns {
    margin-top: 5px;
  }
   
  .equipment .btns {
    flex-wrap: wrap;
  }
  .equipment .btns a {
    width: 100%;
    margin-right: 0;
  }
  .description .line,
  .description .description_swiper {
    display: none;
  }
  .description .left .img,
  .description .left,
  .description .left .txt {
    width: 100%;
    flex-wrap: wrap;
  }
  .description .left .img {
    height: 340px;
  }
  .description .left .txt h3 {
    font-size: 22px;
  }
  .description .btns {
    margin: 40px 0 0 40px;
    height: 90px;
  }
  .description .left .txt {
    padding-bottom: 0;
  }
  .derails_lis .swiper_next1,
  .derails_lis .swiper_prev1 {
    top: 22%;
  }
  .chemical_lis .txt p {
    -webkit-line-clamp: 2;
    height: 60px;
  }
  .chemical_lis .derails_banner .swiper-slide:hover .txt {
    transform: translateY(-88px);
  }
  .chemical_nav {
    flex-wrap: wrap;
  }
	.chemical_nav h2{font-size: 2.3em;
    line-height: 3;}
  .skill .right p {
    -webkit-line-clamp: 2;
  }
  .skill li a {
    flex-wrap: wrap;
  }
  .skill .left,
  .skill .right {
    width: 100%;
  }
  .skill .left {
    margin-bottom: 20px;
  }
  .skill .right .view {
    margin: 20px 0;
  }
  .skill {
    margin: 30px 0;
  }
  .swiper_next4 {
    left: 75%;
  }
  .new {
    padding: 0 10px;
  }
  .new li,
  .new li:nth-child(3n) {
    width: 48%;
    margin-right: 2%;
  }
  .new li:nth-child(2n) {
    margin-right: 0;
  }
  .about .title h4 {
    font-size: 22px;
  }
  .about {
    padding: 30px 0 0 0;
  }
  .about_ul a {
    flex-wrap: wrap;
    margin-bottom: 0;
  }
  .about_ul .left,
  .about_ul .right {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }
  .about_ul .left {
    padding: 10px;
  }
  .about_history {
    margin: 30px 0;
  }
  .about_history .line {
    display: none;
  }
  .line_history li {
    width: 49%;
    margin-right: 2%;
    padding: 0 10px;
  }
  .line_history li:nth-child(2n) {
    margin-right: 0;
  }
  .line_history li::before {
    transform: translateY(24px);
  }
  .line_history li .time {
    transform: translate(24px, -2px);
    width: 100px;
  }
  .introduction .title {
    padding: 0 10px;
  }
  .introduction ul {
    flex-wrap: wrap;
  }
  .introduction ul li {
    width: calc(50% - 4px);
    border-bottom: 2px solid #fff;
    padding: 30px 0;
  }
  .introduction ul p {
    font-size: 22px;
  }
  .main_about h4 span {
    font-size: 22px;
  }
  .team {
    flex-wrap: wrap;
  }
  .team .left,
  .team .right {
    width: 100%;
    margin-right: 0;
    padding: 0 10px;
  }
  .team h1 {
    font-size: 22px;
  }
  .advantage .title {
    margin: 10px 0;
    margin-bottom: 40px;
    padding: 0 10px;
  }
  .ad_ul,
  .advantage .num .container {
    flex-wrap: wrap;
  }

  .ad_ul li,
  .advantage .num li {
    width: 50%;
    margin-bottom: 10px;
  }
  .advantage .num li {
    height: 20px;
  }
  .ad_ul li:nth-child(3),
  .ad_ul li:nth-child(4) {
    transform: translateY(29px);
  }
  .num li:nth-child(1),
  .num li:nth-child(2) {
    transform: translateY(163px);
    /* border-right: 2px solid #2a6bb8; */
  }
  .culture {
    padding: 0 10px;
  }
  .culture li {
    width: 49%;
    margin-right: 2%;
  }
  .culture li:nth-child(2n) {
    margin-right: 0%;
  }
  .c_strength {
    flex-wrap: wrap;
  }
  .c_strength li {
    width: 100% !important;
    margin-right: 0;
  }
  .c_strength {
    padding: 0 10px;
    margin: 80px auto;
    margin-bottom: 0;
  }
  .c_strength li img {
    transform: translate(10%, -13%);
  }
  .c_strength li:last-child {
    padding-bottom: 20px;
  }
  .derails_lis .swiper_prev1 {
    left: 73%;
  }
  .derails_lis {
    padding: 0 10px;
  }
  .history .left,
  .history .right {
    width: 100%;
  }
  .history .right {
    margin-top: 50px;
  }
  .history .right::before,
  .history .right li::before {
    display: none;
  }
  .history {
    padding: 0 10px;
  }
  .culture_c {
    margin-bottom: 0;
  }
  .index_about .left h3 {
    font-size: 22px;
  }
  .index_about .left .net_p {
    margin-top: 20px;
  }
  .contact .left h4 {
    margin-bottom: 30px;
    margin-top: 0;
  }
  .index_about {
    margin-top: 30px;
  }
  .contact_us li,
  .contact_us li:nth-child(3) {
    width: 50%;
    padding: 0 10px;
    margin-bottom: 10px;
  }
  .contact_us {
    margin-bottom: 0;
  }
  .container {
    width: 100%;
  }
  .Chemical .what {
    display: none;
  }
  .Chemical .what img {
    height: 180px;
  }
  .Chemical .what h4,
  .what .p span:nth-of-type(2) {
    display: none;
  }
  .equipment li .left{
    height: 110px;
  }
  html,
  body {
    overflow-x: hidden !important;
  }
  .index_lis .main{
      height: 80px;
  }
  
}