/* tab start */
.about_tab {
  font-size: 0;
  text-align: center;
  margin-top: 80px;
  margin-bottom: 60px;
}
.about_tab_item {
  margin: 0 15px;
  cursor: pointer;
  display: inline-block;
  width: 160px;
  height: 50px;
  line-height: 50px;
  background-color: #c6020a;
  font-size: 16px;
  color: #666666;
  background: url(../images/about_tab_bg.png) center center no-repeat;
  background-size: 100% 100%;
}
.about_tab_item:hover,
.about_tab_item.on {
  color: #ffffff;
  background: url(../images/about_tab_bg_on.png) center center no-repeat;
  background-size: 100% 100%;
}
/* tab end */
/* 公司概况 start */
.company_profile {
  margin-bottom: 80px;
}
.company_profile h2 {
  font-size: 20px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 32px;
  letter-spacing: 0px;
  color: #333333;
  margin-bottom: 15px;
}
.company_profile p {
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 32px;
  letter-spacing: 0px;
  color: #666666;
  margin-bottom: 30px;
}
.company_profile .img_wrap {
  font-size: 0;
}
.company_profile .img_wrap img {
  margin-right: 1.675%;
}
.company_profile .img_wrap img.last {
  margin-right: 0;
}
/* 公司概况 end */
/* 企业文化 start */
.culture_wrap {
  font-size: 0;
  margin-bottom: 80px;
}
.culture_wrap img {
  width: 50%;
}
/* 企业文化 end */
/* 企业资质 start */

.certificate_wrap {
  margin-bottom: 80px;
  background: url(../images/certificate_bg.png) center no-repeat;
  background-size: 100% 100%;
  background: none\9;
  filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../images/certificate_bg.png', sizingMethod='scale');
}
.certificate {
  margin: 0 auto;
  margin-bottom: 80px;
  position: relative;
}

.certificate_swiper .swiper-slide {
  transform: scale(0.6);
  z-index: -1;
  width: 60%;
}
.certificate_swiper .swiper-slide-active,
.certificate_swiper .swiper-slide-duplicate-active {
  text-align: center;
  transform: scale(1);
  z-index: 2;
}

.certificate_swiper .swiper-slide-active .swiper_cover {
  display: none;
}

.certificate_swiper .swiper-slide.swiper-slide-next,
.certificate_swiper .swiper-slide.swiper-slide-prev {
  transform: scale(0.8);
  z-index: 1;
}

.certificate_swiper.swiper-container {
  width: 90%;
  margin: 0px auto;
}

.certificate_wrap .swiper-button-next,
.swiper-container-rtl .swiper-button-prev,
.certificate_wrap .swiper-button-prev,
.swiper-container-rtl .swiper-button-next {
  outline: none;
  width: 30px;
  height: 80px;
  background-color: #f2f2f2;
  color: #fff;
  top: 90px;
}
.swiper-container-rtl .swiper-button-prev,
.certificate_wrap .swiper-button-prev {
  background: #f2f2f2 url(../images/about_arrow_left.png) center center
    no-repeat;
}
.certificate_wrap .swiper-button-next,
.swiper-container-rtl .swiper-button-next {
  background: #f2f2f2 url(../images/about_arrow_right.png) center center
    no-repeat;
}
.certificate_wrap .swiper-button-prev,
.certificate_wrap .swiper-container-rtl .swiper-button-next {
  left: 0px !important;
  right: auto;
}

.certificate_wrap .swiper-container-rtl .swiper-button-prev:after,
.certificate_wrap .swiper-button-prev:after {
  content: "";
}
.certificate_wrap .swiper-button-next:after,
.certificate_wrap .swiper-container-rtl .swiper-button-next:after {
  content: "";
}
.certificate_wrap .swiper-button-next:hover,
.swiper-container-rtl .swiper-button-prev:hover,
.certificate_wrap .swiper-button-prev:hover,
.swiper-container-rtl .swiper-button-next:hover {
  background-color: #c6020a;
}

.certificate_wrap .swiper-button-next,
.certificate_wrap .swiper-container-rtl .swiper-button-prev {
  right: 0px !important;
  left: auto;
}

.certificate_wrap .swiper_control {
  margin-top: 30px;
}
/* 企业资质 end */
/* 视频中心 start */
.video_list {
  margin-bottom: 40px;
}
.video_list video {
  outline: none;
  width: 100%;
  height: 240px;
  object-fit: cover;
}
.video_item {
  font-size: 0;
  width: 31%;
  margin-right: 3.5%;
}
.video_item p {
  text-align: center;
  padding: 10px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 30px;
  font-size: 20px;
  font-weight: bold;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #333333;
}
.video_item.last {
  margin-right: 0px;
}
.video_wrap {
  position: relative;
}
.video_start {
  width: 50px;
  height: 50px;
  left: 50%;
  top: 50%;
  margin-left: -25px;
  margin-top: -25px;
  position: absolute;
  cursor: pointer;
}
/* 视频中心 end */
.certificate_swiper .swiper-wrapper ,
.certificate_swiper .swiper-slide {
  height: auto !important;
}

.edition_tips {
  width: 100%;
  height: 240px;
  box-sizing: border-box;
  padding: 30px;
  position: relative;
  border: 1px solid #f7f7f7;
  display: none;
  color: #666;
  font-size: 16px;
}

.edition_tips span {
  position: absolute;
  width: 80%;
  height: 60px;
  text-align: center;
  line-height: 30px;
  top: 0px;
  bottom: 0px;
  right: 0px;
  left: 0px;
  margin: auto;
}
.layer_video_pop_up {
  width: 1280px;
  height: 720px;
}
#video_pop_up {
  max-height: 720px;
}
.layer_video_pop_up_content {
  font-size: 0;
}
.layer_video_pop_up_content video{
  width: 100%;
  height: 100%;
}
@media (max-width: 768px) {
  .layer_video_pop_up {
    width: 100%;
    height: 3.6rem;
  }
  #video_pop_up {
    max-height: 3.6rem;
  }
  .layer_video_pop_up_content {
    font-size: 0;
  }
  .layer_video_pop_up_content video{
    width: 100%;
    height: 100%;
  }
  /* tab start */
  .about_tab {
    font-size: 0;
    margin: 0.8rem 4% 0.6rem;
  }
  .about_tab_item {

    width: 48%;
    margin: 0;
    margin-right: 4%;
    height: 0.7rem;
    line-height: 0.7rem;
    font-size: 0.28rem;
    margin-bottom: 4%;
  }
  .about_tab_item:nth-child(2n) {
    margin-right: 0;
  }

  .about_tab_item:hover {
    color: #666666;
    background: url(../images/about_tab_bg.png) center center no-repeat;
    background-size: 100% 100%;
  }
  /* tab end */
  /* 公司概况 start */
  .company_profile {
    margin-bottom: 0.8rem;
  }
  .company_profile h2 {
    font-size: 0.28rem;
    line-height: 0.4rem;
    margin-bottom: 0.15rem;
  }
  .company_profile p {
    font-size: 0.24rem;
    line-height: 0.4rem;
    margin-bottom: 0.3rem;
  }
  .company_profile .img_wrap img {
    margin-right: 0.2rem;
  }
  .company_profile .img_wrap img:nth-child(1) {
    width: 100% !important;
    margin-bottom: 4%;
  }
  .company_profile .img_wrap img:nth-child(2) {
    width: 48% !important;
    margin-right: 4%;
  }
  .company_profile .img_wrap img:nth-child(3) {
    width: 48% !important;
    margin-right: 0;
  }
  /* 公司概况 end */
  /* 企业文化 start */
  .culture_wrap {
    margin-bottom: 0.8rem;
  }
  .culture_wrap img {
    width: 100%;
  }
  /* 企业文化 end */
  /* 企业资质 start */

  .certificate_wrap {
    padding-top: 0.8rem;
    margin-bottom: 0.8rem;
    background: #fafafa;
  }
  .certificate {
    margin-bottom: 0.8rem;
  }
  .certificate_swiper.swiper-container {
    width: 86%;
  }
  .certificate_swiper .swiper-slide {
    width: 60%;
  }

  .certificate_wrap .swiper-button-next,
  .swiper-container-rtl .swiper-button-prev,
  .certificate_wrap .swiper-button-prev,
  .swiper-container-rtl .swiper-button-next {
    outline: none;
    width: 0.3rem;
    height: 0.8rem;
    background-color: #f2f2f2;
    color: #fff;
    top: 1.5rem;
  }

  .certificate_wrap .swiper_control {
    margin-top: 0.3rem;
  }
  /* 企业资质 end */
  /* 视频中心 start */
  .video_list {
    margin-bottom: 0.4rem;
  }
  .video_list video {
    outline: none;
    width: 100%;
    height: 2.4rem;
  }
  .video_item {
    font-size: 0;
    width: 48%;
    margin-right: 4% !important;
  }
  .video_item:nth-child(2n) {
    margin-right: 0 !important;
  }
  .video_item p {
    padding: 0.1rem 0;
    margin-bottom: 0.3rem;
    font-size: 0.24rem;
  }
  .video_item.last {
    margin-right: 0px;
  }
  .video_start {
    width: 0.5rem;
    height: 0.5rem;
    margin-left: -0.25rem;
    margin-top: -0.25rem;
  }
}