.neibanner {
  max-width: 1600px;
  height: 590px;
  margin: 0 auto;
  background-image: url(../../img/aboutCertificate/neibannerbg.png);
  background-repeat: no-repeat;
  background-size: 1600px 100%;
  background-position: center;
}
#preImage {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
#preImage img {
  width: 998px;
  height: 683px;
}
.business-wrapper {
  padding-top: 135px;
  padding-bottom: 110px;
}
.business-wrapper > .title {
  position: relative;
}
.business-wrapper > .title .top {
  font-weight: normal;
  line-height: 1;
  font-size: 36px;
  color: #333333;
  padding-bottom: 34px;
  position: relative;
  text-align: center;
}
.business-wrapper > .title .top::after {
  content: '';
  display: block;
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  border-bottom: 5px solid #106fd8;
  width: 35px;
}
.business-wrapper > .title .bg {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -35px;
  font-weight: normal;
  line-height: 1;
  font-size: 60px;
  color: rgba(125, 154, 185, 0.15);
  z-index: -1;
}
.business-wrapper .business {
  width: 1005px;
  margin: 0 auto;
  padding-top: 110px;
  display: flex;
}
.business-wrapper .business .left-wrapper {
  margin-right: 175px;
  width: 185px;
}
.business-wrapper .business .left-wrapper .item {
  width: 185px;
  height: 50px;
  line-height: 1;
  font-size: 24px;
  color: #666666;
  margin-top: 25px;
  padding-top: 12px;
  position: relative;
  cursor: pointer;
}
.business-wrapper .business .left-wrapper .item.active {
  color: #2a5bff;
}
.business-wrapper .business .left-wrapper .item.active::after {
  width: 100%;
}
.business-wrapper .business .left-wrapper .item:first-child {
  margin-top: 0;
}
.business-wrapper .business .left-wrapper .item::after {
  content: '';
  display: block;
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  border-bottom: 2px solid #2a5bff;
  transition: all 0.5s;
}
.business-wrapper .business .left-wrapper .item:hover {
  color: #2a5bff;
}
.business-wrapper .business .left-wrapper .item:hover::after {
  width: 100%;
}
.business-wrapper .business .right-wrapper {
  width: 645px;
  height: 635px;
  display: none;
}
.business-wrapper .business .right-wrapper.active {
  display: block;
}
.business-wrapper .business .right-wrapper .swiper {
  width: 100%;
  height: 100%;
}
.business-wrapper .business .right-wrapper .swiper .swiper-wrapper {
  width: 100%;
  height: 580px;
}
.business-wrapper .business .right-wrapper .swiper .swiper-wrapper .swiper-slide {
  width: 100%;
  height: 100%;
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
}
.business-wrapper .business .right-wrapper .swiper .swiper-wrapper .swiper-slide .business-item {
  width: 322.5px;
  height: 290px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.business-wrapper .business .right-wrapper .swiper .swiper-wrapper .swiper-slide .business-item:hover .box .top > .icon-chakan {
  opacity: 1;
}
.business-wrapper .business .right-wrapper .swiper .swiper-wrapper .swiper-slide .business-item .box {
  width: 285px;
  height: 260px;
  box-shadow: 0px 0px 17px 3px #d8d8d8;
}
.business-wrapper .business .right-wrapper .swiper .swiper-wrapper .swiper-slide .business-item .box .top {
  height: 195px;
  position: relative;
  overflow: hidden;
}
.business-wrapper .business .right-wrapper .swiper .swiper-wrapper .swiper-slide .business-item .box .top > img {
  display: block;
  width: 100%;
  height: 100%;
}
.business-wrapper .business .right-wrapper .swiper .swiper-wrapper .swiper-slide .business-item .box .top > .icon-chakan {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(10, 22, 82, 0.5);
  color: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 55px;
  user-select: none;
  z-index: 2;
  opacity: 0;
  transition: all 0.5s;
}
.business-wrapper .business .right-wrapper .swiper .swiper-wrapper .swiper-slide .business-item .box > .title {
  height: 70px;
  text-align: center;
  font-size: 13px;
  color: #666666;
  padding-top: 25px;
  line-height: 1;
}
.business-wrapper .business .right-wrapper .swiper .swiper-pagination .swiper-pagination-bullet {
  width: 12px;
  height: 12px;
  background-color: #2a5bff;
  margin-right: 12px;
  opacity: 0.3;
  transition: all 0.5s;
  border-radius: 6px;
}
.business-wrapper .business .right-wrapper .swiper .swiper-pagination .swiper-pagination-bullet:last-child {
  margin-right: 0;
}
.business-wrapper .business .right-wrapper .swiper .swiper-pagination .swiper-pagination-bullet.swiper-pagination-bullet-active {
  width: 63px;
  opacity: 1;
}