.slide-1 > a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 65px;
  height: 65px;
  margin-top: -32px;
  font-size: 30px;
  color: #fff;
  border: 1px solid #fff;
  position: absolute;
  top: 50%;
}
.slide-1 > a:before {
  content: "";
  width: 0;
  height: 100%;
  background: #5689ff;
  position: absolute;
  left: 0;
  top: 0;
  transition: .3s;
}
.slide-1 > a:hover {
  border: 1px solid #5689ff;
}
.slide-1 > a:hover:before {
  width: 100%;
}
.slide-1 .left {
  left: 48px;
}
.slide-1 .right {
  right: 48px;
}
.slide-1 .carousel-caption {
  bottom: 32%;
}
.slide-1 .carousel-caption h3 {
  font-size: 58px;
}
.slide-1 .carousel-caption p {
  margin-top: 20px;
  font-size: 22px;
}
.business {
  width: 100%;
  padding-top: 60px;
  padding-bottom: 100px;
  background: #fff;
}
.business .title {
  text-align: center;
  font-size: 36px;
  color: #4c4c4c;
}
.business .describe {
  text-align: center;
  margin-top: 20px;
  font-size: 18px;
  color: #808080;
}
.business .b-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 40px;
  -webkit-perspective: 500;
  -moz-perspective: 500;
  -ms-perspective: 500;
  perspective: 500;
  transform-style: preserve-3d;
}
.business .b-list li {
  width: 272px;
  height: 224px;
  margin: 10px;
  padding: 0;
  background: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}
.business .b-list li .first,
.business .b-list li .second {
  width: 100%;
  height: 100%;
  background: #fff;
  position: absolute;
  top: 0;
  left: 0;
}
.business .b-list li .first {
  z-index: 2;
}
.business .b-list li .second {
  z-index: 1;
  transform: rotateY(180deg);
}
.business .b-list li a {
  display: block;
  width: 100%;
  height: 100%;
  transition: transform 1s;
  transform-style: preserve-3d;
}
.business .b-list li:hover a {
  transform: rotateY(180deg);
}
.business .b-list li:hover .first {
  z-index: 1;
}
.business .b-list li:hover .second {
  z-index: 2;
}
.business .b-list li .pic {
  display: flex;
  justify-content: center;
  width: 100%;
  height: 130px;
}
.business .b-list li .pic-img {
  width: 100%;
  height: 100%;
}
.business .b-list li .pic-icon {
  position: absolute;
  top: 35px;
}
.business .b-list li .first-text {
  text-align: center;
}
.business .b-list li .first-text p {
  margin-top: 25px;
  font-size: 20px;
  color: #333;
}
.business .b-list li .first-text span {
  display: block;
  width: 30px;
  height: 2px;
  margin: 0 auto;
  background: #5689ff;
}
.business .b-list li .second {
  padding: 0 15px;
  text-align: center;
}
.business .b-list li .second-text {
  height: 190px;
}
.business .b-list li .second-text h3 {
  padding-top: 25px;
  font-size: 22px;
  color: #333;
}
.business .b-list li .second-text p {
  line-height: 30px;
  margin-top: 10px;
  font-size: 14px;
  color: #999;
}
.business .b-list li .second-more {
  display: flex;
  justify-content: center;
  align-items: center;
}
.business .b-list li .second-more em {
  width: 70px;
  height: 2px;
  background: #e6e6e6;
}
.business .b-list li .second-more span {
  margin: 0 15px;
  font-size: 14px;
  color: #5689ff;
}
.project {
  padding-top: 70px;
  padding-bottom: 130px;
  background: #f7f7f7;
}
.project .title {
  text-align: center;
  font-size: 36px;
  color: #4c4c4c;
}
.project .describe {
  text-align: center;
  margin-top: 20px;
  font-size: 18px;
  color: #808080;
}
.project .tab {
  padding: 0 32px;
  margin-top: 35px;
  border-bottom: 1px solid #e6e6e6;
  position: relative;
}
.project .tab ul {
  display: flex;
  justify-content: space-around;
}
.project .tab li {
  padding: 15px 40px;
  margin: 0 5px;
  font-size: 22px;
  color: #333;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.project .tab li:after {
  content: "";
  width: 0;
  height: 4px;
  background: #5689ff;
  transition: .3s;
  position: absolute;
  left: 0;
  bottom: 0;
}
.project .tab .active:after {
  width: 100%;
}
.project .tab li:hover:after {
  width: 100%;
}
.project .more {
  display: flex;
  justify-content: center;
  margin-top: 60px;
}
.project .more a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 160px;
  height: 40px;
  font-size: 18px;
  color: #5689ff;
  border: 1px solid #5689ff;
  border-radius: 5px;
  position: relative;
}
.project .more a:before {
  content: "";
  width: 0%;
  height: 100%;
  background: #5689ff;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  transition: .3s;
}
.project .more a:hover span {
  color: #fff;
  z-index: 2;
}
.project .more a:hover:before {
  width: 100%;
}
@media (max-width: 991px) {
  .slide-1 .carousel-caption h3 {
    font-size: 30px;
  }
  .slide-1 .carousel-caption p {
    font-size: 18px;
  }
}
@media (max-width: 767px) {
  .slide-1 > a {
    width: 30px;
    height: 30px;
    margin-top: -15px;
    font-size: 15px;
  }
  .slide-1 .left {
    left: 5px;
  }
  .slide-1 .right {
    right: 5px;
  }
  .slide-1 .carousel-caption {
    bottom: 20%;
  }
  .slide-1 .carousel-caption h3 {
    font-size: 18px;
  }
  .slide-1 .carousel-caption p {
    margin-top: 10px;
    font-size: 12px;
  }
  .business {
    padding-top: 30px;
    padding-bottom: 60px;
  }
  .business .title {
    font-size: 24px;
  }
  .business .describe {
    font-size: 14px;
  }
  .business .list {
    margin-top: 20px;
  }
  .project {
    padding-top: 30px;
    padding-bottom: 60px;
  }
  .project .title {
    font-size: 24px;
  }
  .project .describe {
    font-size: 14px;
  }
  .project .tab {
    margin-top: 20px;
  }
  .project .tab ul {
    display: block;
  }
  .project .tab li {
    display: flex;
    justify-content: center;
    font-size: 18px;
  }
}