.menuDiv>ul>li:nth-child(3):hover {
  height: 54px;
}

/******************************顶部栏*******************************/
.wrapper {
  margin: 0 auto;
  width: 1200px;
}

#header {
  height: 52px;
  line-height: 52px;
  width: 100%;
  background: #f9f9f9;
}

#header .welcome {
  margin-left: 40px;
  float: left;
  display: none;
}

#header .wrapper {
  font-size: 12px;
  color: #727272;
}

#header .wrapper i {
  margin-right: 8px;
}

#header .right span:nth-of-type(3) a {
  color: #d7000f;
}

.left {
  float: left;
}

.right {
  float: right;
}

.right-afte {
  position: relative;
}

/* .right-afte:hover .right-img {
  display: block;
} */

.right-img {
  position: absolute;
  left: 0;
  z-index: 99;
  display: none;
}

.right-afte {
  position: relative;
}

/* .right-afte:hover .right-img {
  display: block;
} */

.right-img {
  position: absolute;
  left: 0;
  z-index: 99;
  display: none;
}

/******************************右侧浮动栏*******************************/
#tool {
  position: fixed;
  right: 40px;
  bottom: 160px;
  border: 1px solid #9a9a9a;
  z-index: 110;
  background: #ffffff;
}

#tool div {
  width: 48px;
  height: 50px;
  text-align: center;
  line-height: 50px;
}

.tool0 {
  border-bottom: 1px solid #9a9a9a;
}

.tool1 {
  border-bottom: 1px solid #9a9a9a;
}

.tool2 {
  border-bottom: 1px solid #9a9a9a;
}

.tool4 {
  border-top: 0;
  position: absolute;
  background: white;
  border: 1px solid #9a9a9a;
  left: -1px;
  /* top: 202px; */
  cursor: pointer;
}

#tool div i {
  color: #575757;
  font-size: 19px;
}

#tool div:hover {
  background: #d7000f;
}

#tool div:hover i {
  color: white;
}

/* #tool div:hover .redTip {
  display: block;
} */

#tool div:hover .redTip2 {
  display: block;
}

#back-to-top {
  display: none;
}

.tool0 .redTip {
  position: absolute;
  top: -1px;
  left: -141px;
  display: none;
}

.tool1 .redTip {
  position: absolute;
  top: 0px;
  left: -157px;
  display: none;
}

.tool2 .redTip {
  position: absolute;
  top: 102px;
  left: -157px;
  display: none;
}

.tool3 .redTip {
  position: absolute;
  top: 153px;
  left: -157px;
  display: none;
}

/*************************banner*****************************************/
#banner {
  width: 100%;
  height: 500px;
}

#banner .swiper-container {
  height: 500px;
  min-width: 1200px;
  max-width: 1920px;
}

#banner .swiper-slide {
  width: 100%;
  height: 500px;
  position: relative;
}

.bannerBox {
  width: 100%;
  height: 500px;
  position: absolute;
  background-repeat: no-repeat;
}

.banner {
  display: flex;
  justify-content: center;
  align-items: center;
}

/*************************product*****************************************/
#product {
  margin-top: 77px;
  width: 100%;
  height: 413px;
  background: #ffffff;
}

.title {
  margin: 0 auto;
  width: 520px;
  height: 51px;
  position: relative;
}

.title span {
  text-align: center;
  font-size: 26px;
  margin: auto;
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
}

#product .title {
  background: url(../img/PRODUCT.png) no-repeat center center;
}

.redLine {
  width: 41px;
  height: 2px;
  background: #d7000f;
  margin: 18px auto;
}

#product .img {
  width: 135px;
  height: 135px;
}

#product .img img {
  width: 145px;
  height: 145px;
  opacity: 0;
}

#product .img:hover img {
  opacity: 1;
  transition: all 0.5s;
}

.centerUl a {
  color: #2e2e2e;
}

.centerUl li:hover a {
  color: #d7000f;
}

#product li {
  list-style: none;
  margin: 0;
  padding: 0;
  float: left;
}

#product ul li {
  margin-left: 30px;
  height: 164px;
}

#product ul li p {
  margin-top: 13px;
  text-align: center;
  font-size: 16px;
}

.product_bottom {
  margin: 61px auto;
  text-align: center;
  font-size: 14px;
}

.product_bottom a {
  color: #5e5e5e;
}

.product_bottom span:nth-of-type(2) {
  display: inline-block;
  width: 14px;
  height: 14px;
  background: #f00516;
  border-radius: 50%;
  color: #ffffff;
  margin-left: 8px;
}

/*************************case*****************************************/
#case {
  width: 100%;
  background: #ffffff;
  min-width: 1200px;
  max-width: 1920px;
  margin: 0 auto;
}

#case .title {
  background: url(../img/CASE.png) no-repeat center center;
}

.cases {
  margin: 46px 0 113px;
  width: 100%;
  color: white;
}

.cases .caseSmall {
  width: 50%;
  float: left;
  position: relative;
  transition: all 1s;
  overflow: hidden;
}

.cases a {
  color: white;
}

.cases .caseSmall img {
  width: 100%;
  height: auto;
  transition: all 1s;
}

.cases .caseSmall:hover {
  opacity: 0.8;
}

.cases .caseSmall:hover img {
  transform: scale(1.1);
}

.cases_font h2 {
  font-weight: bold;
  font-size: 20px;
  line-height: 30px;
}

.cases_font span {
  width: 87px;
  height: 20px;
  display: block;
  border-radius: 8px;
  background: #ff0000;
  color: white;
  font-size: 12px;
  line-height: 20px;
  font-weight: bold;
  text-align: center;
}

.cases_font {
  position: absolute;
  top: 41%;
  transition: all 1s;
}

.cases1 .cases_font {
  left: 56%;
}

.cases2 .cases_font {
  left: 20%;
}

.cases3 .cases_font {
  left: 56%;
}

.cases4 .cases_font {
  left: 20%;
}

/*.cases .caseSmall:hover .cases_font{	
	top: 40%
} */

/*************************introduction*****************************************/
#introduction {
  width: 100%;
  padding-bottom: 85px;
  background: #ffffff;
}

#introduction .title {
  background: url(../img/INTRODUCTION.png) no-repeat center center;
}

.introduction_top {
  margin: 62px 0 50px;
  position: relative;
}

.introduction_top img {
  display: inline-block;
  width: 601px;
  height: 324px;
}

.introduction_top span {
  width: 552px;
  font-size: 16px;
  display: block;
  float: right;
  line-height: 28px;
}

.introduction_top a {
  display: block;
  position: absolute;
  right: 0;
  bottom: 0;
}

.introduction_top a img {
  display: block;
}

.introduction_bot ul {
  background: url(../img/introduction-ul.jpg) no-repeat center center;
}

.introduction_bot ul li {
  float: left;
  width: 300px;
  height: 267px;
}

.introduction_bot ul li img {
  opacity: 0;
}

/*.introduction_bot ul li:hover img{
	opacity: 1;
	transition: all 1s; 
}*/

.changeShow {
  opacity: 1 !important;
  transition: all 0.2s;
  /*transform: rotateY(360deg);*/
}

/********************* SEO优化 ******************************/
#introduction2 {
  width: 100%;
  padding-bottom: 5px;
  background: #ffffff;
}

.introduction2_bot ul li {
  float: left;
  width: 240px;
  height: 267px;
}

.introduction2_bot ul li img {
  opacity: 1;
}

/*************************公司动态*****************************************/
#throughput2 {
  height: 500px;
  padding: 81px 0 94px;
  width: 100%;
  background: #f2f2f2;
}

#throughput .title {
  background: url(../img/Throughput.png) no-repeat center center;
}

.introduction2_top {
  margin: 32px 0 50px;
}

.introduction2_text {
  text-indent: 2em;
  line-height: 30px;
}

#company_news {
  width: 100%;
  padding-bottom: 30px;
  background: #ffffff;
}

.company_news_banner {
  margin: 32px 0 10px;
}

.company_news_banner p {
  font-size: 24px;
  font-weight: bold;
  padding-bottom: 22px;
}

.company_news_banner .text {
  text-indent: 2em;
  line-height: 27px;
  padding-bottom: 15px;
}

.company_news_banner .date {
  color: #cccccc;
  font-size: 14px;
}

#certify {
  position: relative;
  width: 1200px;
  margin: 60px auto;
}

#certify .swiper-container {
  padding-bottom: 60px;
}

#certify .swiper-slide {
  width: 520px;
  height: 300px;
  background: #fff;
  box-shadow: 0 8px 30px #ddd;
  border: 8px solid #ffffff;
}

#certify .swiper-slide img {
  display: block;
}

#certify .swiper-slide-active {
  border: 8px solid #d7000f;
}

#certify .swiper-slide p {
  line-height: 98px;
  padding-top: 0;
  text-align: center;
  color: #636363;
  font-size: 1.1em;
  margin: 0;
}

#certify .swiper-pagination {
  width: 100%;
  bottom: 20px;
}

#certify .swiper-pagination-bullets .swiper-pagination-bullet {
  margin: 0 5px;
  border: 3px solid #fff;
  background-color: #d5d5d5;
  width: 10px;
  height: 10px;
  opacity: 1;
}

#certify .swiper-pagination-bullets .swiper-pagination-bullet-active {
  border: 3px solid #00aadc;
  background-color: #fff;
}

#certify .swiper-button-prev {
  left: -30px;
  top: 150px;
  width: 28px;
  height: 51px;
  background: url(../img/index_tab_l.png) no-repeat top center;
}

#certify .swiper-button-next {
  right: -30px;
  top: 150px;
  width: 28px;
  height: 51px;
  background: url(../img/index_tab_r.png) no-repeat;
}

/*************************development*****************************************/
#development {
  padding-top: 88px;
  width: 100%;
  height: 477px;
  background: #f2f2f2;
}

#development .title {
  background: url(../img/DEVELOPMENT.png) no-repeat center center;
}

#development ul {
  margin-top: 45px;
}

#development ul li {
  float: left;
  width: 282px;
  height: 282px;
  margin: 0 8px;
  border-radius: 50%;
  background: #d7000f;
  position: relative;
}

#development ul li img {
  opacity: 0;
  position: absolute;
  top: 0px;
  left: 0px;
}

#development ul li:nth-of-type(1) {
  background: url(../img/index/development-concept/development_concept_grey_1.jpg) no-repeat;
  background-position: center;
  background-size: 282px 282px;
}

#development ul li:nth-of-type(2) {
  background: url(../img/index/development-concept/development_concept_grey_2.jpg) no-repeat;
  background-position: center;
  background-size: 282px 282px;
}

#development ul li:nth-of-type(3) {
  background: url(../img/index/development-concept/development_concept_grey_3.jpg) no-repeat;
  background-position: center;
  background-size: 282px 282px;
}

#development ul li:nth-of-type(4) {
  background: url(../img/index/development-concept/development_concept_grey_4.jpg) no-repeat;
  background-position: center;
  background-size: 282px 282px;
}

#development ul li:hover img {
  transition: all 0.2s;
  opacity: 1;
  width: 282px;
  height: 282px;
}

/*************************news*****************************************/
#news {
  padding-top: 80px;
  width: 100%;
  height: 723px;
  background: #ffffff;
}

#news .title {
  background: url(../img/NEWS.png) no-repeat center center;
}

.newsList {
  margin-top: 53px;
}

.newsList_l {
  float: left;
  width: 750px;
}

.newsList_l img {
  width: 740px;
  height: 400px;
  display: block;
  margin-left: 10px;
  margin-bottom: 21px;
}

.newsList_l span {
  font-size: 20px;
  line-height: 20px;
  margin-left: 45px;
}

.newsList_r {
  width: 450px;
  height: 450px;
  float: right;
}

/*右侧滚动*/
.scrollbox {
  width: 380px;
  margin: 0 auto;
  overflow: hidden;
}

#scrollDiv {
  width: 380px;
  height: 402px;
  overflow: hidden;
}

/*这里的高度和超出隐藏是必须的*/

#scrollDiv li {
  height: 134px;
  width: 340px;
  padding: 0 20px;
  overflow: hidden;
  vertical-align: bottom;
  zoom: 1;
}

#scrollDiv .newActive {
  background-color: #d7000f;
}

#scrollDiv .newActive h3 {
  color: #ffffff;
}

#scrollDiv .newActive div {
  color: #ffffff;
}

#scrollDiv .newActive p {
  color: #ffffff;
}

#scrollDiv li h3 {
  padding-top: 22px;
  font-size: 18px;
  font-weight: bold;
  line-height: 24px;
  width: 340px;
  color: #000000;
  text-decoration: none;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

#scrollDiv li div {
  width: 340px;
  font-size: 14px;
  height: 36px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 18px;
  letter-spacing: 0px;
  color: #000000;
  margin: 9px 0 13px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

#scrollDiv li p {
  color: #676767;
  font-size: 18px;
  line-height: 24px;
  text-decoration: none;
}

.scroltit {
  height: 30px;
  line-height: 30px;
  margin-top: 10px;
}

.scroltit img {
  margin-left: 79%;
}

/*.scroltit h3 {
	width: 100px;
	float: left;
}

.scroltit .updown {
	float: right;
	width: 32px;
	height: 22px;
	margin-left: 14px
}

#but_up {
	width: 29px;
	height: 29px;
	background: url(../img/up.png) no-repeat 0 0;
	text-indent: -9999px
}

#but_down {
	width: 29px;
	height: 29px;
	background: url(../img/down.png) no-repeat 0 0;
	text-indent: -9999px
}*/

/************************footer栏***************************************/
#footer {
  width: 100%;
  height: 380px;
  background: #333333;
}

.foot_l {
  margin-top: 61px;
  width: 288px;
  float: left;
}

.logo2 {
  width: 120px;
  height: 50px;
  margin-bottom: 34px;
}

.logo2 img {
  width: 100%;
  height: 100%;
}

.foot_l_text span {
  font-weight: bold;
  color: #ffffff;
  display: block;
}

.foot_l_text span:nth-of-type(1) {
  font-size: 12px;
  margin-bottom: 4px;
}

.foot_l_text span:nth-of-type(2) {
  font-size: 17px;
}

.QRcode {
  width: 88px;
}

.QRcode img {
  margin: 0 auto;
  width: 80px;
  height: 80px;
}

.QRcode p {
  color: white;
  font-size: 12px;
  text-align: center;
  margin-top: 10px;
}

.imow {
  text-align: center;
  width: 160px;
  cursor: pointer;
}

.imow img {
  margin: 0 auto;
  width: 122px;
  height: 80px;
}

.imow p {
  color: white;
  font-size: 12px;
  text-align: center;
  margin-top: 10px;
}

.foot_r {
  float: left;
}

.foot_menu {
  /*float: right; */
  margin-top: 50px;
  width: 881px;
  height: 240px;
  border-bottom: 1px solid white;
  padding-bottom: 32px;
  display: flex;
}

.whiteLine {
  width: 34px;
  height: 2px;
  background: #ffffff;
}

/* 设置ul和li的样式 */
.foot_menu ul {
  list-style: none;
}

.foot_menu ul li {
  float: left;
  position: relative;
  margin-right: 118px;
}

/* 一级菜单 */
.foot_menu>ul>li>a {
  color: #ffffff;
  text-align: center;
  display: block;
  font: bold 16px/38px "微软雅黑";
}

/* 二级菜单*/
.foot_menu>ul>li>ul {
  position: absolute;
  left: -8px;
  top: 46px;
  width: 110px;
}

/* 设置二级菜单的li的样式 */
.foot_menu>ul>li>ul>li {
  float: none;
  padding: 0 10px;
}

.foot_menu>ul>li>ul>li>a {
  width: 105px;
  line-height: 22px;
  color: #ffffff;
  text-align: left;
  border-top: none;
  display: block;
  font-size: 12px;
}

.foot_bottom span {
  font-size: 12px;
  color: #ffffff;
  line-height: 26px;
}

.foot_menu_right {
  float: right;
}

.foot_menu_right a {
  color: #ffffff;
  text-align: center;
  display: inline-block;
  font: bold 16px/38px "微软雅黑";
  margin-right: 62px;
  margin-bottom: 68px;
}

.bottomUl {
  height: 194px;
  overflow: hidden;
}

.marketCarousel {
  width: 1200px;
  margin: 0 auto;
  padding: 10px 0;
  box-sizing: border-box;
  margin-top: 70px;
  ;
  /* background-color: skyblue; */
  position: relative;
}

.marketCarousel .swiper-container {
  width: 1120px;
  /* background-color: red; */
}

.marketCarousel .swiper-container {
  position: static;
  width: 1100px;
}

.marketCarousel .swiper-slide {
  width: 100% !important;
}

.marketCarousel .swiper-slide img {
  float: left;
}

.marketCarousel .swiper-slide img:last-child {
  margin-right: 0;
}

/* 左右按钮 */
.marketCarousel .swiper-button-prev,
.marketCarousel .swiper-button-next {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid #7b7c7d;
  background-repeat: no-repeat;
  background-size: 100%;
  border: none;
}

.marketCarousel .swiper-button-prev {
  background-image: url(../img/index/milestone/arrow_circle_left_grey.png);
  left: 2px;

}

.marketCarousel .swiper-button-next {
  background-image: url(../img/index/milestone/arrow_circle-right_red.png);
  right: 2px;
}

.milestone-wrapper {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
}

.milestone-wrapper div {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 10px;
}

.milestone-wrapper div.grey {
  background-color: #EFEFEF;
}

.milestone-wrapper div img {
  width: 100%;
}

.milestone-wrapper div h3 {
  font-size: 20px;
  font-weight: bold;
  margin-top: 12px;
}

.milestone-wrapper div p {
  font-size: 16px;
  margin-top: 5px;
}