.image-title {
  width: 179px;
  height: 77px;
  margin-bottom: 50px;
}
.common-title-box {
  margin-bottom: 70px;
}
.common-title-box .common-title-text {
  font-size: 26px;
  font-weight: bold;
  color: #333333;
  text-align: center;
  margin-bottom: 8px;
}
.common-title-box .common-title-color {
  width: 51px;
  height: 6px;
  background: #EC6F3F;
  margin: 0 auto;
}
.bannerVideo {
  position: relative;
  width: 100%;
}
.bannerVideo .video-bg {
  width: 100%;
}
.bannerVideo .mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.bannerVideo .mask .mask-text {
  font-weight: bold;
  font-size: 61px;
  color: #FFFFFF;
  margin-bottom: 36px;
}
.bannerVideo .mask .mask-button {
  width: 204px;
  height: 67px;
  line-height: 67px;
  text-align: center;
  font-size: 24px;
  color: #FFFFFF;
  background: rgba(255,255,255,0.3);
  border-radius: 7px 7px 7px 7px;
  vertical-align: middle;
  user-select: none;
}
.bannerVideo .mask .mask-button:hover {
  cursor: pointer;
  background: rgba(255,255,255,0.4);
  transition: 0.2s;
}
.bannerVideo .mask .mask-button img {
  width: 30px;
  height: 30px;
  vertical-align: -7px;
}
.videoModal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  display: none;
}
.videoModal .modal-body {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.videoModal .modal-body .modal-content {
  width: 1452px;
  position: relative;
}
.videoModal .modal-body .video-fullscreen {
  width: 1452px;
}
.videoModal .modal-body .close-icon {
  width: 36px;
  height: 36px;
  position: absolute;
  right: -54px;
  top: 0;
  cursor: pointer;
  user-select: none;
}
.companyDesc {
  background: url("/images/index/index-bg1.png") no-repeat;
  background-size: cover;
  padding-top: 80px;
  padding-bottom: 70px;
}
.companyDesc-content {
  display: flex;
  justify-content: space-between;
  margin-bottom: 70px;
}
.companyDesc-content img {
  width: 571px;
  height: 374px;
}
.companyDesc-content-text-box {
  width: 600px;
  line-height: 31px;
  color: #333333;
}
.companyDesc-data {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.companyDesc-data-left {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 580px;
}
.companyDesc-data-item-box {
  display: flex;
  align-items: center;
  width: 280px;
  height: 140px;
  background: #f6f6f6;
  border-radius: 8px;
  padding: 28px 24px;
  box-sizing: border-box;
  margin-bottom: 16px;
}
.companyDesc-data-item-box img {
  width: 86px;
  height: 86px;
  margin-right: 16px;
}
.companyDesc-data-item-box .data-number {
  font-weight: bold;
  font-size: 40px;
  color: #1a1a1a;
}
.companyDesc-data-item-box .data-unit {
  font-size: 24px;
  color: #1a1a1a;
}
.companyDesc-data-item-box .data-name {
  font-size: 14px;
  color: #666666;
  margin-top: 10px;
}
.companyDesc-data-right {
  width: 606px;
  height: 425px;
}
.businessSector {
  background: #f6f6f6;
  padding: 80px 0 120px;
}
.businessSector .sector-box {
  display: flex;
  justify-content: space-between;
}
.businessSector .sector-box .sector-item {
  width: 380px;
  height: 424px;
  background: #ffffff;
  box-shadow: 0px 3px 6px 1px rgba(0, 0, 0, 0.11);
  border-radius: 8px;
  padding: 40px 34px;
  box-sizing: border-box;
}
.businessSector .sector-box .sector-item:hover {
  top: -2px;
  transition: 0.2s;
}
.sector-item img {
  width: 198px;
  height: 68px;
  display: block;
  margin: 0 auto 24px;
}
.sector-item .sector-item-text {
  font-size: 16px;
  color: #333333;
  line-height: 28px;
}
.RDCenter {
  padding: 80px 0 120px;
}
.RDCenter .RDTeam-box {
  display: flex;
  justify-content: space-between;
  margin-bottom: 70px;
}
.RDCenter .RDTeam-box img {
  width: 387px;
  height: 258px;
}
.RDCenter-text {
  text-align: center;
  line-height: 32px;
  color: #333333;
  margin-bottom: 110px;
}
.RDCenter-part2 {
  background: #F6F6F6;
  margin-bottom: 80px;
}
.RDCenter-part2 img {
  width: 1200px;
  height: 628px;
}
.coreAchievements-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.coreAchievements-box .achievements-list {
  width: 520px;
  height: 418px;
  overflow-y: hidden;
  position: relative;
}
.coreAchievements-box .achievements-list li {
  font-weight: bold;
  color: #333333;
}
/* 除最后一个元素，其他元素都有margin-bottom */
.coreAchievements-box .achievements-list li:not(:last-child) {
  margin-bottom: 20px;
}
.achievements-video video {
  width: 667px;
}
.cooperativePartner {
  background: #F7F7F7;
  padding: 0 0 24px;
  position: relative;
  height: 671px;
}
.cooperativePartner .image-title {
  position: absolute;
  top: 70px;
  z-index: 1;
}
.cooperativePartner .bg-img {
  width: 1200px;
  height: 671px;
  left: 50%;
  margin-left: -600px;
  position: absolute;
}