.about_us {
  width: 100%;
  height: 360px;
  background: url('https://www.chaojigongshi.com/oss/home_v2/v2/img/about_us/about_us.png') no-repeat;
  background-size: cover;
  background-position: center center;
}
.about_us h3 {
  padding-top: 175px;
  text-align: center;
  font-size: 40px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 56px;
  text-shadow: 0px 2px 2px rgba(64, 74, 202, 0.5);
}
.about_us_center {
  padding-top: 100px;
  height: 453px;
  background: #F5F6FA;
}
.about_us_center .company_introduction {
  display: flex;
  justify-content: space-between;
}
.about_us_center .copywriting_box {
  flex: 1;
  margin-top: -20px;
}
.about_us_center .copywriting_box .title_t_p {
  margin-bottom: -16px;
  width: 125px;
  height: 33px;
  font-size: 24px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;
  color: rgba(0, 0, 0, 0.85);
  line-height: 33px;
  opacity: 0.1;
}
.about_us_center .copywriting_box .title_b {
  display: flex;
  flex-direction: column;
}
.about_us_center .copywriting_box .title_b .title {
  font-size: 24px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.85);
  line-height: 33px;
}
.about_us_center .copywriting_box .title_b .border {
  width: 48px;
  height: 4px;
  background: #007AFF;
  margin: 20px 0;
}
.about_us_center .copywriting_box .copywriting {
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #4C525F;
  line-height: 28px;
  text-indent: 2em;
}
.about_us_center .video_b {
  margin-left: 84px;
  width: 420px;
  height: 273px;
  background: #007AFF;
  box-shadow: 0px 4px 32px 4px rgba(0, 122, 255, 0.4);
  position: relative;
}
.about_us_center .video_b .video_cen {
  position: absolute;
  top: -20px;
  left: -20px;
  width: 420px;
  height: 273px;
}
.about_us_center .video-js .vjs-big-play-button {
  font-size: 2.5em;
  line-height: 2.3em;
  height: 2.5em;
  width: 2.5em;
  -webkit-border-radius: 2.5em;
  -moz-border-radius: 2.5em;
  border-radius: 2.5em;
  background-color: #73859f;
  background-color: rgba(115, 133, 159, 0.5);
  border-width: 0.15em;
  margin-top: -1.25em;
  margin-left: -1.2em;
}
.qualification_honor_moudel {
  height: 575px;
  padding-top: 80px;
}
.qualification_honor_moudel .qualification_cen {
  text-align: center;
}
.qualification_honor_moudel .qualification_cen .qualification_title {
  font-size: 32px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.85);
  line-height: 45px;
}
.qualification_honor_moudel .qualification_cen .center {
  margin-top: 64px;
  display: flex;
  align-content: center;
  justify-content: center;
}
.qualification_honor_moudel .qualification_cen .center .qualification_honor1 {
  margin-left: 41px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.qualification_honor_moudel .qualification_cen .center .qualification_honor1 .img_box {
  width: 326px;
  height: 240px;
  overflow: hidden;
}
.qualification_honor_moudel .qualification_cen .center .qualification_honor1 img {
  width: 100%;
  height: 100%;
  transition: transform 0.5s;
}
.qualification_honor_moudel .qualification_cen .center .qualification_honor1 .img_box:hover {
  box-shadow: 0px 4px 12px 0px rgba(9, 38, 86, 0.04), 0px 2px 8px 0px rgba(9, 38, 86, 0.04);
}
.qualification_honor_moudel .qualification_cen .center .qualification_honor1 .img_box:hover img {
  transform: translateZ(0) scale(1.2, 1.2);
}
.qualification_honor_moudel .qualification_cen .center .qualification_honor1 .title {
  margin-top: 24px;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #4C525F;
  line-height: 20px;
}
.keep_record_moudel {
  padding-top: 40px;
  height: 264px;
  background: url('https://www.chaojigongshi.com/oss/home_v2/v2/img/about_us/my_record_background.png') no-repeat;
  background-size: cover;
}
.keep_record_moudel .center {
  text-align: center;
}
.keep_record_moudel .center .title {
  margin: 0 !important;
  font-size: 20px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.85);
}
.keep_record_moudel .center .keep_record1 {
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #4C525F;
  line-height: 20px;
}
.keep_record_moudel .center .cla_p {
  margin: 24px 0 8px 0 !important;
}
.keep_record_moudel .center .cla_b {
  margin-bottom: 8px !important;
}
.corporate_culture_moudel {
  height: 419px;
  padding-top: 80px;
  text-align: center;
}
.corporate_culture_moudel .corporate_culture_title {
  font-size: 32px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.85);
  line-height: 45px;
}
.corporate_culture_moudel .center_box_new {
  padding: 0 83px;
  margin-top: 69px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.corporate_culture_moudel .center_box_new .corporate_culture1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.corporate_culture_moudel .center_box_new .corporate_culture1 img {
  width: 56px;
  height: 56px;
}
.corporate_culture_moudel .center_box_new .corporate_culture1 .copywriting {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.corporate_culture_moudel .center_box_new .corporate_culture1 .copywriting .copywriting_title {
  font-size: 20px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: rgba(0, 0, 0, 0.85);
  line-height: 28px;
}
.corporate_culture_moudel .center_box_new .corporate_culture1 .copywriting .copywriting_det {
  margin-top: 12px !important;
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #4C525F;
  line-height: 22px;
}
.corporate_culture_moudel .center_box_new .corporate_culture1:nth-child(1),
.corporate_culture_moudel .center_box_new .corporate_culture1:nth-child(3) {
  width: 160px;
}