.about-us{
	background: #fff;
}
.about-us .container {
    width: 1200px;
    margin: 0 auto;
}
.about-us .banner {
  position: relative;
  height: 400px;
  overflow: hidden;
  color: #fff;
  text-align: center;
}
.about-us .banner .banner-bg {
  position: absolute;
  top: -72px;
  left: 0;
  width: 100%;
  height: 100%;
  margin-top: 72px;
}
.about-us .banner img {
  filter: blur(7px);
}
.about-us .banner .banner-mask {
  background-image: linear-gradient(0deg, rgba(0, 41, 87, 0.6) 0%, rgba(3, 19, 51, 0.6) 100%);
}
.about-us .banner h2 {
  position: absolute;
  top: 152px;
  left: 50%;
  z-index: 1;
  font-size: 44px;
  line-height: 48px;
  transform: translateX(-50%);
}
.about-us .banner p {
  position: absolute;
  top: 214px;
  left: 50%;
  z-index: 1;
  font-size: 18px;
  line-height: 26px;
  transform: translateX(-50%);
}
.about-us .tab {
  height: 70px;
  background: #f7f9fc;
}
.about-us .tab .container {
  position: relative;
}
.about-us .tab ul {
  height: 70px;
}
.about-us .tab li {
  position: absolute;
  top: 0;
  width: 214px;
  height: 70px;
  color: #1a1b20;
  font-size: 20px;
  line-height: 70px;
  letter-spacing: 0.38px;
  text-align: center;
  cursor: pointer;
}
.about-us .tab li.active {
  color: #0daade;
  border-bottom: solid 4px #0daade;
}
.about-us .tab li:first-child {
  left: 0;
}
.about-us .tab li:nth-child(2) {
  left: 214px;
}
.about-us .tab li:nth-child(3) {
  left: 428px;
}
.about-us .tab li:nth-child(4) {
  left: 642px;
}
.about-us .tab li:nth-child(5) {
  left: 856px;
}
.about-us .tab .tab-line {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 264px;
  height: 4px;
  background: #0daade;
  transition: left 0.3s ease;
}
.about-us .tab-content{
    padding-bottom: 80px;
}
.about-us .tab-content .company-introduction h3 {
  color: #1a1b20;
  font-size: 34px;
  letter-spacing: 0.53px;
}
.about-us .tab-content .company-introduction h4 {
  color: #515767;
  font-size: 20px;
  letter-spacing: 0.62px;
  text-align: justify;
}
.about-us .tab-content .company-introduction .company-profile {
  margin-top: 80px;
}
.about-us .tab-content .company-introduction .company-profile .profile {
  margin-top: 60px;
  color: #515767;
  font-size: 14px;
  line-height: 24px;
  letter-spacing: 0.44px;
  text-align: justify;
}
.about-us .tab-content .company-introduction .company-profile .profile .empty {
  height: 14px;
  line-height: 14px;
}
.about-us .tab-content .company-introduction .company-profile .profile-video {
  width: 1200px;
  height: 640px;
  margin: 24px auto 0 auto;
  background-color: black;
}
.about-us .tab-content .company-introduction .company-profile .profile-video video {
  width: 100%;
  height: 100%;
}
.about-us .tab-content .company-introduction .business-founder {
  margin-top: 160px;
}
.about-us .tab-content .company-introduction .business-founder .honor{
	margin-top: 60px;
}
.about-us .tab-content .company-introduction .business-founder .honor div{
    float:left;
    margin-right:15px;
}
.about-us .tab-content .company-introduction .business-founder .honor div:last-child{
    margin-right:0;
}
.about-us .tab-content .company-introduction .business-founder .honor p{
    line-height: 50px;
    font-size: 24px;
}
.about-us .tab-content .company-introduction .business-founder .ceo-introduction {
  width: 560px;
  height: 460px;
  margin-top: 81px;
  padding: 60px 80px 62px 80px;
  background: url(https://download.qingteng.cn/frontendcdn/assets/images/b325db708abea29c31ceb8722b414c10.png) no-repeat;
  background-size: cover;
}
.about-us .tab-content .company-introduction .business-founder .ceo-introduction .ceo-name {
  color: #1a1b20;
  font-size: 28px;
  letter-spacing: 0.44px;
}
.about-us .tab-content .company-introduction .business-founder .ceo-introduction .ceo-name span {
  margin-left: 12px;
  color: #1a1b20;
  font-size: 14px;
  letter-spacing: 0.22px;
}
.about-us .tab-content .company-introduction .business-founder .ceo-introduction p {
  margin-top: 45px;
  color: #515767;
  font-size: 14px;
  line-height: 24px;
  letter-spacing: 0.44px;
  text-align: justify;
}
.about-us .tab-content .company-introduction .business-founder .ceo-introduction .line {
  width: 92px;
  height: 2px;
  margin-top: 40px;
  background: #0daade;
}
.about-us .tab-content .company-introduction .business-founder .ceo-photo {
  width: 640px;
  height: 460px;
  margin-top: 81px;
}
.about-us .tab-content .company-introduction .company-vision {
  height: 228px;
  margin-top: 159px;
  background: url(https://download.qingteng.cn/frontendcdn/assets/images/8511acb08b3addbf32351ce0857f6906.png) no-repeat;
  background-size: cover;
}
.about-us .tab-content .company-introduction .company-vision h3 {
  color: #1a1b20;
  font-size: 34px;
  letter-spacing: 0.53px;
  text-align: center;
}
.about-us .tab-content .company-introduction .company-vision h4 {
  color: #515767;
  font-size: 20px;
  line-height: 28px;
  letter-spacing: 0.62px;
  text-align: center;
}
.about-us .tab-content .company-introduction .company-vision img {
  display: block;
  width: 305px;
  height: 19px;
  margin: 48px auto 0 auto;
}
.about-us .tab-content .company-introduction .company-vision .line {
  width: 160px;
  height: 1px;
  margin: 8px auto 0 auto;
  background: #1a1b20;
}
.about-us .tab-content .company-introduction .company-active {
  margin-top: 160px;
}
.about-us .tab-content .company-introduction .company-active .slider {
  width: 1200px;
  height: 588px;
  margin-top: 80px;
  overflow: hidden;
}
.about-us .tab-content .company-introduction .company-active .slider ul {
  position: relative;
}
.about-us .tab-content .company-introduction .company-active .slider li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-content: space-between;
  float: left;
  width: 1200px;
  height: 588px;
}
.about-us .tab-content .company-introduction .company-active .slider li div:hover img {
  transform: scale(1.1);
  transition: transform 0.5s ease;
}
.about-us .tab-content .company-introduction .company-active .slider li div img {
  transform: scale(1);
  transition: transform 0.5s ease;
}
.about-us .tab-content .company-introduction .company-active .slider .active-info {
  background: #03172f;
}
.about-us .tab-content .company-introduction .company-active .slider .active-info h4 {
  margin-top: 49px;
  color: #fff;
  font-size: 24px;
  letter-spacing: 0.75px;
  text-align: center;
}
.about-us .tab-content .company-introduction .company-active .slider .active-info .line {
  width: 128px;
  height: 1px;
  margin: 0 auto;
  background-color: #fff;
}
.about-us .tab-content .company-introduction .company-active .slider .active-info h5 {
  color: #fff;
  font-size: 14px;
  letter-spacing: 0.44px;
  text-align: center;
}
.about-us .tab-content .company-introduction .company-active .slider .active-info p {
  width: 208px;
  margin: 18px auto 0 auto;
  color: #fff;
  font-size: 12px;
  line-height: 17px;
  letter-spacing: 0.38px;
}
.about-us .tab-content .company-introduction .company-active .slider div {
  width: 288px;
  height: 288px;
  overflow: hidden;
}
.about-us .tab-content .company-introduction .company-active .rect {
  position: relative;
  height: 4px;
  margin-top: 32px;
  margin-bottom: 120px;
}
.about-us .tab-content .company-introduction .company-active .rect ul {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}
.about-us .tab-content .company-introduction .company-active .rect ul li {
  float: left;
  width: 32px;
  height: 4px;
  margin-right: 8px;
  background-color: #e1e4eb;
  cursor: pointer;
}
.about-us .tab-content .company-introduction .company-active .rect ul:last-child {
  margin-right: 0;
}
.about-us .tab-content .company-introduction .company-active .rect ul li.active {

  background-color: #888f9e;
}
.about-us .tab-content .develop-history h2 {
  margin-top: 80px;
  color: #1a1b20;
  font-size: 34px;
  letter-spacing: 0.53px;
}
.about-us .tab-content .develop-history .history {
  margin-top: 80px;
  margin-bottom: 50px;
  padding-left: 40px;
}
.about-us .tab-content .develop-history .history-year-content {
  display: flex;
  margin-top: 40px;
  margin-bottom: 64px;
}
.about-us .tab-content .develop-history .history-line {
  position: relative;
  width: 2px;
  margin: 4px 155px 0 39px;
  background: #0daade;
}
.about-us .tab-content .develop-history .history-line::before {
  position: absolute;
  bottom: 0;
  left: 50%;
  display: block;
  width: 12px;
  height: 12px;
  background-color: #0daade;
  border-bottom: 0;
  transform: translateX(-50%);
  content: '';
}
.about-us .tab-content .develop-history .history-year {
  color: #1a1b20;
  font-size: 36px;
  letter-spacing: 0.56px;
}
.about-us .tab-content .develop-history .history-month {
  color: #1a1b20;
  font-size: 28px;
  letter-spacing: 0.44px;
}
.about-us .tab-content .develop-history .history-month span {
  color: #515767;
  font-size: 14px;
  line-height: 24px;
  letter-spacing: 0.44px;
  text-align: justify;
}
.about-us .tab-content .develop-history .history-event {
  margin-bottom: 64px;
}
.about-us .tab-content .develop-history .history-event-content {
  margin-top: 20px;
  color: #1a1b20;
  font-size: 20px;
  letter-spacing: 0.31px;
}
.about-us .tab-content .develop-history .history-event-des {
  margin-top: 4px;
  color: #515767;
  font-size: 14px;
  line-height: 24px;
  letter-spacing: 0.44px;
  text-align: justify;
}
.about-us .tab-content .select-type {
  width: 100%;
  height: 64px;
  margin: 40px 0;
  background: #f7f9fc;
  border-radius: 4px;
}
.about-us .tab-content .select-type a {
  display: inline-block;
  margin-left: 24px;
  font-size: 20px;
  line-height: 64px;
  letter-spacing: 0.31px;
}
.about-us .tab-content .select-type-sign {
  position: relative;
  top: 4px;
  display: inline-block;
  width: 1px;
  height: 24px;
  margin-left: 24px;
  background-color: #9ca1ad;
}
.about-us .tab-content .select-type-text {
  color: #565d6e;
  cursor: pointer;
}
.about-us .tab-content .select-type-text-active {
  color: #0daade;
}
.about-us .tab-content .hide {
  display: none;
}
.about-us .tab-content .company-news h2 {
  margin-top: 80px;
  color: #1a1b20;
  font-size: 34px;
  letter-spacing: 0.53px;
}
.about-us .tab-content .company-news .news li {
  position: relative;
  height: 144px;
  margin-top: 80px;
  padding-left: 320px;
}
.about-us .tab-content .company-news .news li:last-child {
  margin-bottom: 80px;
}
.about-us .tab-content .company-news .news li img {
  position: absolute;
  top: 0;
  left: 0;
  width: 280px;
  height: 144px;
  border: 1px solid #e1e3e6;
}
.about-us .tab-content .company-news .news li a {
  color: #1a1b20;
  font-size: 20px;
  letter-spacing: 0.5px;
}
.about-us .tab-content .company-news .news li a:hover {
  color: #0daade;
}
.about-us .tab-content .company-news .news li dd {
  margin-top: 8px;
  color: #515767;
  font-size: 14px;
  line-height: 24px;
  letter-spacing: 0.44px;
  text-align: justify;
}
.about-us .tab-content .company-news .news li .time {
  margin-top: 12px;
  color: #9ca1ad;
  font-size: 14px;
  line-height: 24px;
  letter-spacing: 0.44px;
  text-align: justify;
}
.about-us .tab-content .contact-us h2 {
  margin-top: 80px;
  color: #1a1b20;
  font-size: 34px;
  letter-spacing: 0.53px;
}
.about-us .tab-content .contact-us .contact-ways {
  display: flex;
  margin-top: 60px;
}
.about-us .tab-content .contact-us .contact-ways li {
  flex: 1;
  width: 276px;
}
.about-us .tab-content .contact-us .contact-ways li img {
  display: block;
  width: 80px;
  height: 80px;
  margin: 0 auto;
}
.about-us .tab-content .contact-us .contact-ways li p {
  margin-top: 24px;
  color: #1a1b20;
  font-size: 20px;
  letter-spacing: 0.5px;
  text-align: center;
}
.about-us .tab-content .contact-us .contact-ways li p:last-child {
  margin-top: 8px;
  color: #515767;
  font-size: 14px;
  line-height: 24px;
  letter-spacing: 0.44px;
}
.about-us .tab-content .contact-us .company-address h2 {
  margin-top: 160px;
  color: #1a1b20;
  font-size: 34px;
  letter-spacing: 0.53px;
}
.about-us .tab-content .contact-us .company-address ul {
  margin-top: 80px;
}
.about-us .tab-content .contact-us .company-address ul li {
  height: 300px;
  margin-bottom: 48px;
}
.about-us .tab-content .contact-us .company-address ul li:last-child {
  margin-bottom: 160px;
}
.about-us .tab-content .contact-us .company-address ul li .map {
  width: 560px;
  height: 300px;
  overflow: hidden;
}
.about-us .tab-content .contact-us .company-address ul li .map:hover img {
  transform: scale(1.1);
  transition: all 0.5s ease;
}
.about-us .tab-content .contact-us .company-address ul li img {
  display: block;
  width: 560px;
  height: 300px;
  transition: all 0.5s ease;
}
.about-us .tab-content .contact-us .company-address ul li .address {
  margin-top: 90px;
  margin-left: 160px;
}
.about-us .tab-content .contact-us .company-address ul li .address p {
  color: #1a1b20;
  font-size: 20px;
  letter-spacing: 0.5px;
}
.about-us .tab-content .contact-us .company-address ul li .address p:nth-child(2) {
  margin-top: 20px;
  color: #515767;
  font-size: 14px;
  line-height: 24px;
  letter-spacing: 0.44px;
  text-align: justify;
}
.about-us .tab-content .contact-us .company-address ul li .address p:nth-child(3) {
  margin-top: 8px;
  color: #515767;
  font-size: 14px;
  line-height: 24px;
  letter-spacing: 0.44px;
  text-align: justify;
}
.about-us .news {
  width: 1200px;
  margin: 80px auto 24px auto;
}
.about-us .news-title {
  padding-bottom: 8px;
  color: #1a1b20;
  font-size: 34px;
  line-height: 48px;
  border-bottom: 1px solid #cfcfcf;
}
.about-us .news-message {
  display: flex;
  margin-top: 14px;
  margin-bottom: 48px;
  color: #565d6e;
  font-size: 14px;
  line-height: 28px;
}
.about-us .news-time {
  width: 100px;
}
.about-us .news-source-link:hover {
  color: #0daade;
}
.about-us .news-content {
  margin-bottom: 80px;
  color: #414652;
}
.about-us .news-content h2,
.about-us .news-content h4,
.about-us .news-content h3 {
  margin-bottom: 18px;
  padding-top: 4px;
  color: #1d0022;
  line-height: 28px;
}
.about-us .news-content h2 {
  font-size: 20px;
}
.about-us .news-content h3 {
  font-size: 18px;
}
.about-us .news-content h4 {
  font-size: 16px;
}
.about-us .news-content p {
  margin-bottom: 24px;
  font-size: 14px;
  line-height: 24px;
}
.about-us .news-content img {
  margin-bottom: 34px;
  padding-top: 16px;
}
.about-us .news-content .alignleft {
  text-align: left;
}
.about-us .news-content .aligncenter {
  text-align: center;
}
.about-us .news-content .alignright {
  text-align: right;
}
.about-us .news-content .ql-align-left {
  text-align: left;
}
.about-us .news-content .ql-align-center {
  text-align: center;
}
.about-us .news-content .ql-align-right {
  text-align: right;
}
.about-us .news-content .ql-video {
  display: block;
  max-width: 100%;
}
.about-us .news-content .ql-video.ql-align-center {
  margin: 0 auto;
}
.about-us .view-more {
  display: flex;
  margin: 40px 0 100px 240px;
  color: #0daade;
  font-size: 20px;
  line-height: 10px;
  cursor: pointer;
}
.about-us .view-more i {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 4px;
}
.about-us .view-more i.more {
  background: url(https://download.qingteng.cn/frontendcdn/assets/images/79a794965b60d0a6f553d003e4fe82ef.png) top center / cover no-repeat;
}
.about-us .view-more i.collapse {
  background: url(https://download.qingteng.cn/frontendcdn/assets/images/68c19dbe004fdb5c37012f3ccb38ea8f.png) top center / cover no-repeat;
}
.about-us .hidden {
  display: none;
}
.about-us .company-vision-max-height {
  max-height: 2170px;
  overflow: hidden;
}