.page_header_container .nav .content {
  background-color: #ffffff;
}
video::-webkit-media-controls-enclosure {
  display: none;
}
.about-introduction {
  width: 100%;
}
.about-introduction .banner-video {
  width: 100%;
  height: 618px;
  position: relative;
  padding-top: 70px;
  overflow: hidden;
}
.about-introduction .banner-video .video-box {
  width: 2560px;
  height: 548px;
  position: absolute;
  left: 50%;
  top: 70px;
  transform: translateX(-50%);
  overflow: hidden;
}
.about-introduction .banner-video .video-box .text-body {
  width: 1184px;
  height: 100%;
  margin: auto;
  position: relative;
  z-index: 2;
}
.about-introduction .banner-video .video-box .text-body .left-box {
  width: 284px;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
}
.about-introduction .banner-video .video-box .text-body .left-box h1 {
  font-size: 40px;
  font-weight: 500;
  color: white;
  padding-top: 97px;
  padding-left: 23px;
  padding-bottom: 8px;
}
.about-introduction .banner-video .video-box .text-body .left-box .zzm99999 {
  font-size: 40px;
  font-weight: 500;
  color: white;
  padding-top: 97px;
  padding-left: 23px;
  padding-bottom: 8px;
}
.about-introduction .banner-video .video-box .text-body .left-box .btn-play {
  height: 24px;
  border-radius: 14px;
  border: 1px solid white;
  line-height: 24px;
  display: inline-block;
  padding-left: 24px;
  padding-right: 6px;
  background: rgba(0, 164, 197, 0.3) url(https://download5.qingteng.cn/frontendcdn/www/assets/images/fc80569e1bfb1d6fd6e7e3410d9f4272.png) 2px center no-repeat;
  background-size: 18px auto;
  font-size: 12px;
  font-weight: 400;
  color: white;
  cursor: pointer;
  margin-left: 23px;
}
.about-introduction .banner-video .video-box .text-body .left-box .btn-play:hover {
  background-color: #00a4c5;
}
.about-introduction .banner-video .video-box .text-body .left-box dl {
  padding-top: 40px;
}
.about-introduction .banner-video .video-box .text-body .left-box dl dd {
  width: 100%;
  padding-left: 23px;
  box-sizing: border-box;
  height: 76px;
  font-size: 14px;
  font-weight: 500;
  color: white;
  padding-top: 16px;
  line-height: 20px;
  cursor: pointer;
  position: relative;
}
.about-introduction .banner-video .video-box .text-body .left-box dl dd a {
  position: relative;
  z-index: 2;
}
.about-introduction .banner-video .video-box .text-body .left-box dl dd::after {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  background: linear-gradient(90deg, rgba(0, 164, 197, 0.6) 0%, rgba(0, 164, 197, 0) 100%);
  transition: all;
  transition-duration: 0.5s;
}
.about-introduction .banner-video .video-box .text-body .left-box dl dd span {
  font-size: 18px;
  line-height: 24px;
  display: block;
}
.about-introduction .banner-video .video-box .text-body .left-box dl dd:hover::after {
  opacity: 1;
}
.about-introduction .banner-video video {
  width: 2560px;
  height: 200%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.about-introduction .about {
  width: 100%;
  padding-top: 80px;
  height: 608px;
  box-sizing: border-box;
  position: relative;
  overflow: hidden;
}
.about-introduction .about .title {
  position: relative;
  z-index: 2;
  text-align: center;
  font-size: 32px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 46px;
}
.about-introduction .about .container {
  width: 1184px;
  margin: auto;
  position: relative;
  z-index: 2;
  padding-top: 40px;
}
.about-introduction .about .container .text {
  width: 660px;
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 28px;
}
.about-introduction .about .video-box {
  width: 2560px;
  height: 608px;
  position: absolute;
  left: 50%;
  top: 0px;
  transform: translateX(-50%);
  overflow: hidden;
}
.about-introduction .about .video-box video {
  width: 2560px;
  height: 200%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.about-introduction .data {
  width: 100%;
  min-width: 1184px;
  height: 232px;
  background: url(https://download5.qingteng.cn/frontendcdn/www/assets/images/d22a2b876ded87339e3c8b85a6384043.png) center center no-repeat;
  background-size: auto 100%;
}
.about-introduction .data dl {
  width: 1184px;
  margin: auto;
  display: flex;
  flex-direction: row;
  padding-top: 46px;
}
.about-introduction .data dl dd {
  height: 136px;
  width: 14.3%;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
  padding-top: 24px;
  box-sizing: border-box;
  cursor: pointer;
}
.about-introduction .data dl dd:last-child {
  border-right: none;
}
.about-introduction .data dl dd:hover {
  transform: translateY(-4px);
}
.about-introduction .data dl dd:hover span {
  opacity: 1;
}
.about-introduction .data dl dd span {
  display: block;
  font-size: 40px;
  font-weight: 600;
  color: white;
  line-height: 56px;
  opacity: 0.8;
}
.about-introduction .data dl dd span i {
  font-size: 24px;
  font-style: normal;
}
.about-introduction .data dl dd span:nth-child(2) {
  font-size: 14px;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 20px;
}
.about-introduction .whoQT {
  width: 100%;
  background-color: #F9FAFB;
  padding: 80px 0;
}
.about-introduction .whoQT .title {
  text-align: center;
  font-size: 32px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 46px;
}
.about-introduction .whoQT .list {
  display: flex;
  flex-direction: row;
  width: 1184px;
  margin: auto;
  padding-top: 40px;
}
.about-introduction .whoQT .list .item {
  width: 224px;
  background-color: white;
  margin-right: 16px;
  padding: 32px 0;
  border-radius: 8px;
  cursor: pointer;
}
.about-introduction .whoQT .list .item img {
  width: 64px;
  height: 64px;
  display: block;
  margin: auto;
}
.about-introduction .whoQT .list .item h1 {
  width: 100%;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 24px;
  padding-bottom: 14px;
  padding-top: 24px;
}
.about-introduction .whoQT .list .item .zzm99999 {
  width: 100%;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 24px;
  padding-bottom: 14px;
  padding-top: 24px;
}
.about-introduction .whoQT .list .item span {
  padding: 0 16px;
  display: block;
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 24px;
}
.about-introduction .whoQT .list .item:last-child {
  margin-right: 0;
}
.about-introduction .whoQT .list .item:hover {
  box-shadow: 0px 10px 20px 0px #F3F3F3;
  transform: translateY(-4px);
}
.about-introduction .boos {
  width: 100%;
  height: 730px;
  background: white url(https://download5.qingteng.cn/frontendcdn/www/assets/images/b63d1a11311fcaa1a824a3f4c5533c7f.png) center 47px no-repeat;
  background-size: auto 637px;
  position: relative;
}
.about-introduction .boos::after {
  content: "";
  width: 100%;
  height: 64px;
  background: linear-gradient(45deg, #32E5ED 0%, #00A4C5 69%, #0078E4 100%);
  position: absolute;
  left: 0;
  bottom: 0;
}
.about-introduction .boos .boos-body {
  width: 1184px;
  display: flex;
  flex-direction: row;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 2;
}
.about-introduction .boos .pic {
  width: 472px;
  height: 648px;
}
.about-introduction .boos .pic img {
  width: 100%;
  display: block;
}
.about-introduction .boos .info {
  width: 702px;
  padding: 0 32px 0 30px;
  box-sizing: border-box;
}
.about-introduction .boos .info .info-title {
  width: 100%;
  padding-bottom: 40px;
  font-size: 32px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 46px;
}
.about-introduction .boos .info .name {
  display: flex;
  justify-content: flex-start;
  flex-direction: column;
  align-items: center;
  padding-bottom: 8px;
}
.about-introduction .boos .info .name span {
  width: 100%;
  font-weight: 400;
  color: #1A1B20;
}
.about-introduction .boos .info .name span:nth-child(1) {
  font-size: 24px;
  line-height: 34px;
  padding-bottom: 16px;
}
.about-introduction .boos .info .name span:nth-child(2) {
  font-size: 14px;
  line-height: 20px;
}
.about-introduction .boos .info .desc {
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 28px;
  padding-bottom: 24px;
}
.about-introduction .boos .info .video .vbox {
  width: 272px;
  height: 154px;
  position: relative;
  overflow: hidden;
  border-radius: 8px;
}
.about-introduction .boos .info .video .vbox img {
  width: 100%;
  display: block;
  opacity: 1;
  position: relative;
  z-index: 2;
}
.about-introduction .boos .info .video .vbox video {
  width: 100%;
  height: 200%;
  position: absolute;
  z-index: 1;
  top: 50%;
  transform: translateY(-50%);
}
.about-introduction .boos .info .video .vbox a {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 10;
}
.about-introduction .boos .info .video .vbox a span {
  width: 36px;
  height: 36px;
  right: 16px;
  bottom: 16px;
  opacity: 0.8;
  position: absolute;
}
.about-introduction .boos .info .video .vbox .bg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
  background-color: black;
  opacity: 0.3;
}
.about-introduction .boos .info .video .vbox:hover span {
  width: 54px;
  height: 54px;
  right: 50%;
  bottom: 50%;
  transform: translate(50%, 50%);
  opacity: 1;
}
.about-introduction .boos .info .video .vbox:hover .bg {
  opacity: 0;
}
.about-introduction .boos .info .video .vbox:hover video {
  display: block;
}
.about-introduction .boos .info .video .vbox:hover > img {
  opacity: 0;
}
.about-introduction .boos .info .video .vtitle {
  font-size: 14px;
  font-weight: 400;
  color: #1A1B20;
  line-height: 20px;
  width: 272px;
  text-align: center;
  padding-top: 8px;
}
.about-introduction .lingyu {
  width: 100%;
  background-color: #F9FAFB;
  padding: 80px 0;
}
.about-introduction .lingyu .title {
  text-align: center;
  font-size: 32px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 46px;
}
.about-introduction .lingyu .pic {
  width: 1184px;
  margin: auto;
  padding-top: 40px;
}
.about-introduction .lingyu .pic img {
  width: 100%;
  display: block;
}
.about-introduction .honor {
  width: 100%;
  background: url(https://download5.qingteng.cn/frontendcdn/www/assets/images/a125e857a87397b240004b9b79934b91.png) center center no-repeat;
  background-size: auto 100%;
  padding: 80px 0;
}
.about-introduction .honor .title {
  text-align: center;
  font-size: 32px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 46px;
}
.about-introduction .honor .list {
  display: flex;
  flex-direction: row;
  width: 1168px;
  margin: auto;
  padding-top: 40px;
}
.about-introduction .honor .list ul {
  width: 50%;
  display: flex;
  flex-direction: column;
}
.about-introduction .honor .list ul:first-child li:nth-child(1) {
  margin-left: 56px;
}
.about-introduction .honor .list ul:first-child li:nth-child(3) {
  margin-left: 20px;
}
.about-introduction .honor .list ul:first-child li:nth-child(4) {
  margin-left: 70px;
}
.about-introduction .honor .list ul:last-child li {
  margin-left: auto;
}
.about-introduction .honor .list ul:last-child li:nth-child(1) {
  margin-right: 50px;
}
.about-introduction .honor .list ul:last-child li:nth-child(3) {
  margin-right: 20px;
}
.about-introduction .honor .list ul:last-child li:nth-child(4) {
  margin-right: 70px;
}
.about-introduction .honor .list ul li {
  width: 290px;
  height: 86px;
  position: relative;
  margin-bottom: 34px;
  cursor: pointer;
}
.about-introduction .honor .list ul li .left {
  width: 90px;
  height: 100%;
  background: url(https://download5.qingteng.cn/frontendcdn/www/assets/images/560ed96bc99333e1179065b970f2a0b2.png) left center no-repeat;
  background-size: auto 100%;
  position: absolute;
  left: 0;
  top: 0;
  opacity: 0.8;
}
.about-introduction .honor .list ul li .right {
  width: 90px;
  height: 100%;
  background: url(https://download5.qingteng.cn/frontendcdn/www/assets/images/560ed96bc99333e1179065b970f2a0b2.png) right center no-repeat;
  background-size: auto 100%;
  position: absolute;
  right: 0;
  top: 0;
  opacity: 0.8;
}
.about-introduction .honor .list ul li .center {
  width: 110px;
  height: 100%;
  background: url(https://download5.qingteng.cn/frontendcdn/www/assets/images/560ed96bc99333e1179065b970f2a0b2.png) center center no-repeat;
  background-size: auto 100%;
  position: absolute;
  left: 90px;
  top: 0;
  opacity: 0.8;
}
.about-introduction .honor .list ul li .name {
  display: block;
  text-align: center;
  font-size: 18px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 24px;
  margin-top: -8px;
}
.about-introduction .honor .list ul li .desc {
  display: flex;
  height: 50px;
  align-items: center;
}
.about-introduction .honor .list ul li .desc span {
  width: 100%;
  font-size: 12px;
  font-weight: 400;
  color: #666666;
  line-height: 18px;
  text-align: center;
  display: block;
  padding: 0 34px;
}
.about-introduction .honor .list ul li:hover .left {
  transform: translateX(-4px);
  opacity: 1;
}
.about-introduction .honor .list ul li:hover .right {
  transform: translateX(4px);
  opacity: 1;
}
.about-introduction .honor .list ul li:hover .center {
  opacity: 1;
}
.about-introduction .honor .list ul li:hover .name {
  color: #00A4C5;
}
.about-introduction .honor .list ul li:hover .desc span {
  color: #1A1B20;
}
.about-introduction .technology {
  width: 100%;
  padding: 80px 0;
  background-color: white;
}
.about-introduction .technology .title {
  text-align: center;
  font-size: 32px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 46px;
}
.about-introduction .technology .list {
  width: 1184px;
  margin: auto;
  display: flex;
  flex-direction: row;
  padding-top: 40px;
}
.about-introduction .technology .list ul {
  background: #f9fafb;
  border-radius: 16px;
  padding: 32px 32px 0 32px;
}
.about-introduction .technology .list ul:nth-child(1) {
  width: 484px;
  margin-right: 16px;
}
.about-introduction .technology .list ul:nth-child(2) {
  width: 684px;
}
.about-introduction .technology .list ul h1 {
  font-size: 18px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 24px;
  padding-bottom: 20px;
}
.about-introduction .technology .list ul .zzm99999 {
  font-size: 18px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 24px;
  padding-bottom: 20px;
}
.about-introduction .technology .list ul li {
  background: #FFFFFF;
  box-shadow: 0px 10px 20px 0px #F3F3F3;
  border-radius: 100px;
  border: 1px solid #00A4C5;
  width: 100%;
  height: 32px;
  display: flex;
  flex-direction: row;
  overflow: hidden;
  margin-bottom: 24px;
}
.about-introduction .technology .list ul li span {
  line-height: 32px;
  font-size: 14px;
  font-weight: 400;
  color: #00A4C5;
  text-align: center;
}
.about-introduction .technology .list ul li span:nth-child(1) {
  width: 160px;
  height: 100%;
  background: linear-gradient(270deg, #E7F6FA 0%, #FFFFFF 100%);
  border-right: 1px solid #00A4C5;
}
.about-introduction .technology .list ul li span:nth-child(2) {
  flex: 1;
}
.about-introduction .technology .list ul div.pic {
  width: 100%;
  padding-top: 8px;
}
.about-introduction .technology .list ul div.pic img {
  width: 100%;
  display: block;
  display: none;
}
.about-introduction .memorabilia {
  width: 100%;
  height: 666px;
  background: url(https://download5.qingteng.cn/frontendcdn/www/assets/images/f16a84043ff2508d61e7095ef49138c1.png) center center no-repeat;
  background-size: auto 100%;
}
.about-introduction .memorabilia .memorabilia-body {
  width: 1184px;
  margin: auto;
  display: flex;
  flex-direction: row;
  height: 100%;
}
.about-introduction .memorabilia .memorabilia-body .date {
  width: 292px;
  height: 100%;
}
.about-introduction .memorabilia .memorabilia-body .date > a {
  width: 32px;
  height: 20px;
  margin: auto;
  display: block;
  background: url(https://download5.qingteng.cn/frontendcdn/www/assets/images/57af4d1c6942c2db5dd2b5c45d18171d.png) center center no-repeat;
  background-size: cover;
  cursor: pointer;
}
.about-introduction .memorabilia .memorabilia-body .date > a:hover {
  background-image: url(https://download5.qingteng.cn/frontendcdn/www/assets/images/e74508d5f573da21eca1bdcb2763055c.png);
}
.about-introduction .memorabilia .memorabilia-body .date .icon-up {
  margin-top: 166px;
}
.about-introduction .memorabilia .memorabilia-body .date .icon-down {
  transform: rotate(180deg);
}
.about-introduction .memorabilia .memorabilia-body .date .list {
  height: 380px;
  overflow: hidden;
  box-sizing: border-box;
  position: relative;
}
.about-introduction .memorabilia .memorabilia-body .date .list .list-body {
  position: absolute;
  width: 100%;
  left: 0;
}
.about-introduction .memorabilia .memorabilia-body .date .list .list-body a {
  display: block;
  text-align: center;
  cursor: pointer;
  height: 76px;
  line-height: 76px;
  font-weight: 600;
  color: #C1C1C1;
}
.about-introduction .memorabilia .memorabilia-body .date .list .list-body a.c1 {
  font-size: 32px;
  opacity: 0.3;
}
.about-introduction .memorabilia .memorabilia-body .date .list .list-body a.c2 {
  font-size: 40px;
  opacity: 0.6;
}
.about-introduction .memorabilia .memorabilia-body .date .list .list-body a.c3 {
  font-size: 64px;
  color: #00A4C5;
  opacity: 1;
  font-weight: bold;
}
.about-introduction .memorabilia .memorabilia-body .text {
  flex: 1;
  padding-top: 80px;
}
.about-introduction .memorabilia .memorabilia-body .text .title {
  padding-left: 190px;
  font-size: 32px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 46px;
}
.about-introduction .memorabilia .memorabilia-body .text .node {
  height: 420px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-top: 40px;
}
.about-introduction .memorabilia .memorabilia-body .text .list {
  display: none;
}
.about-introduction .memorabilia .memorabilia-body .text .list dl {
  display: flex;
  flex-direction: row;
  padding-bottom: 16px;
}
.about-introduction .memorabilia .memorabilia-body .text .list dl dt {
  width: 116px;
  text-align: right;
  font-size: 14px;
  font-weight: 400;
  color: #1A1B20;
  line-height: 20px;
}
.about-introduction .memorabilia .memorabilia-body .text .list dl dd {
  flex: 1;
  padding-left: 44px;
}
.about-introduction .memorabilia .memorabilia-body .text .list dl dd a {
  display: block;
  font-size: 14px;
  font-weight: 400;
  color: #666666;
  line-height: 20px;
  padding-left: 28px;
  position: relative;
  margin-bottom: 8px;
  cursor: pointer;
}
.about-introduction .memorabilia .memorabilia-body .text .list dl dd a::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  background: #C1C1C1;
}
.about-introduction .memorabilia .memorabilia-body .text .list dl dd a:hover {
  color: #00A4C5;
}
.about-introduction .memorabilia .memorabilia-body .text .list dl dd a:hover::after {
  background: #00A4C5;
}
.about-introduction .memorabilia .memorabilia-body .text .list .more {
  padding-left: 188px;
  padding-top: 16px;
  font-size: 14px;
  font-weight: 400;
  color: #C1C1C1;
  line-height: 20px;
}
.about-introduction .memorabilia .memorabilia-body .text .list:first-child {
  display: block;
}
.about-introduction .custom {
  width: 100%;
  background-color: #F9FAFB;
  padding: 80px 0 56px 0;
}
.about-introduction .custom .title {
  text-align: center;
  font-size: 32px;
  font-weight: 500;
  color: #1A1B20;
  line-height: 46px;
}
.about-introduction .custom .list {
  display: flex;
  justify-content: flex-start;
  align-content: flex-start;
  flex-wrap: wrap;
  width: 1184px;
  margin: auto;
  padding-top: 40px;
}
.about-introduction .custom .list a {
  width: 184px;
  margin-right: 16px;
  margin-bottom: 24px;
  cursor: pointer;
}
.about-introduction .custom .list a img {
  width: 100%;
  display: block;
}
.about-introduction .custom .list a:nth-child(6n) {
  margin-right: 0;
}
.about-introduction .custom .list a:hover {
  box-shadow: 0px 10px 20px 0px #F3F3F3;
  transform: translateY(-4px);
}
/*滚动条*/
.content-box {
  position: relative;
}
.content-box .scroll-bar {
  height: 100%;
  width: 10px;
  position: absolute;
  top: 0px;
  right: 0px;
}
.content-box .scroll-bar .scroll-bg {
  height: 100%;
  width: 6px;
  background-color: #666666;
  opacity: 0.1;
  position: absolute;
  top: 0;
  left: 2px;
  border-radius: 6px;
}
.content-box .scroll-bar .scroll-prominent {
  width: 6px;
  height: 0px;
  position: absolute;
  top: 0;
  left: 2px;
  /* background-color:#00A4C5; */
  border-radius: 10px 10px 0 0;
}
.content-box .scroll-bar .scroll-icon {
  height: 30px;
  width: 6px;
  background-color: #00A4C5;
  position: absolute;
  top: 0;
  left: 2px;
  border-radius: 4px;
}
.content-box .box-mask {
  height: 100%;
  overflow: hidden;
  position: relative;
}
.content-box .box-mask .box-content {
  position: absolute;
  top: 0;
}