.index-title {
  text-align: center;
}
.index-title h2 {
  color: #333;
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
  -webkit-animation-duration: 0.8s;
  animation-duration: 0.8s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-name: fadeInUp;
  animation-name: fadeInUp;
}
.index-title .line {
  width: 104px;
  height: 4px;
  background: #0667cc;
  margin: 16px auto;
  -webkit-animation-delay: 0.3s;
  animation-delay: 0.3s;
  -webkit-animation-duration: 0.8s;
  animation-duration: 0.8s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-name: fadeInUp;
  animation-name: fadeInUp;
}
.index-title p {
  color: #4b4b4b;
  font-size: 16px;
  line-height: 1;
  -webkit-animation-delay: 0.4s;
  animation-delay: 0.4s;
  -webkit-animation-duration: 0.8s;
  animation-duration: 0.8s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-name: fadeInUp;
  animation-name: fadeInUp;
}
.index-1 {
  padding: 60px 0;
  background-color: #f3f5f5;
}
.index-1 .cont {
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
}
.index-1 .cont ul {
  display: flex;
  flex-wrap: wrap;
  margin-top: 40px;
}
.index-1 .cont ul li {
  margin-right: 15px;
  margin-top: 27px;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
  -webkit-animation-duration: 0.8s;
  animation-duration: 0.8s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-name: zoomIn;
  animation-name: zoomIn;
}
.index-1 .cont ul li:nth-child(3n) {
  margin-right: 0;
}
.index-1 .cont ul li .pic {
  display: block;
  width: 390px;
  height: 221px;
  margin-bottom: 20px;
}
.index-1 .cont ul li .pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.index-1 .cont ul li .tit {
  color: #454545;
  font-size: 18px;
  line-height: 1;
}
.index-1 .cont ul li p {
  color: #454545;
  font-size: 16px;
  line-height: 1;
  margin: 20px 0;
}
.index-1 .cont ul li .cate {
  color: #666666;
  font-size: 16px;
  line-height: 1;
}
.index-1 .cont ul li a {
  -webkit-transition: all 0.33s linear;
  -o-transition: all 0.33s linear;
  transition: all 0.33s linear;
}
.index-1 .cont ul li a:hover {
  color: #0667cc;
}
.index-2 .case {
  height: 902px;
  width: 100%;
  position: relative;
}
.index-2 .case .view {
  height: 100%;
  width: 100%;
}
.index-2 .case .view .swiper-container {
  height: 100%;
  width: 100%;
}
.index-2 .case .view .swiper-container .swiper-wrapper {
  -webkit-transform: translate3d(0, 0, 0);
  transform: translate3d(0, 0, 0);
}
.index-2 .case .view .swiper-container .swiper-wrapper .swiper-slide {
  width: 100%;
  height: 100%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-flow: column;
  -ms-flex-flow: column;
  flex-flow: column;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  overflow: hidden;
  -webkit-transition-property: opacity;
  -o-transition-property: opacity;
  transition-property: opacity;
}
.index-2 .case .view .swiper-container .swiper-wrapper .swiper-slide .case-background {
  background-size: cover;
  background-position: center;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  top: 0;
  z-index: 0;
  -webkit-transition: 1s 0s;
  -o-transition: 1s 0s;
  transition: 1s 0s;
  -webkit-transform: perspective(1000px) translate3d(0, 0, 100px);
  transform: perspective(1000px) translate3d(0, 0, 100px);
}
.index-2 .case .view .swiper-container .swiper-wrapper .swiper-slide .case-text {
  width: 1200px;
  margin: 0 auto;
}
.index-2 .case .view .swiper-container .swiper-wrapper .swiper-slide .case-text .small-title {
  color: #fff;
  font-size: 28px;
  text-transform: uppercase;
  transition-delay: transform 2s, opacity 0s;
  transition-duration: 2s;
  transform: translate3d(0, 80px, 0);
  opacity: 0;
  margin-bottom: 20px;
  text-shadow: 2px 2px 2px rgba(0, 0, 0, 0.8);
}
.index-2 .case .view .swiper-container .swiper-wrapper .swiper-slide .case-text .cn {
  display: block;
  color: #fff;
  font-size: 20px;
  line-height: 1.5;
  margin-bottom: 20px;
  transition-delay: transform 2s, opacity 0s;
  transition-duration: 2s;
  transform: translate3d(0, 80px, 0);
  opacity: 0;
  text-shadow: 2px 2px 2px rgba(0, 0, 0, 0.8);
}
.index-2 .case .view .swiper-container .swiper-wrapper .swiper-slide .case-text .more {
  color: #fff;
  font-size: 18px;
  line-height: 1;
  display: inline-block;
  border: 1px solid #fff;
  padding: 0.75em 2em;
  transition-delay: transform 2s, opacity 0s;
  transition-duration: 2s;
  transform: translate3d(0, 80px, 0);
  opacity: 0;
  text-shadow: 2px 2px 2px rgba(0, 0, 0, 0.8);
}
.index-2 .case .view .swiper-container .swiper-wrapper .swiper-slide.swiper-slide-active .case-background {
  -webkit-transition: 5s 0s;
  -o-transition: 5s 0s;
  transition: 5s 0s;
  -webkit-transform: perspective(1000px) translate3d(0, 0, 0px);
  transform: perspective(1000px) translate3d(0, 0, 0px);
}
.index-2 .case .view .swiper-container .swiper-wrapper .swiper-slide.swiper-slide-active .case-text .small-title {
  transition-delay: 0.5s;
  transform: translate3d(0, 0px, 0);
  opacity: 1;
}
.index-2 .case .view .swiper-container .swiper-wrapper .swiper-slide.swiper-slide-active .case-text .cn {
  transition-delay: 0.7s;
  transform: translate3d(0, 0px, 0);
  opacity: 1;
}
.index-2 .case .view .swiper-container .swiper-wrapper .swiper-slide.swiper-slide-active .case-text .more {
  transition-delay: 0.9s;
  transform: translate3d(0, 0px, 0);
  opacity: 1;
}
.index-2 .case .preview {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 184px;
  width: 80%;
  max-width: 1536px;
  min-width: 1200px;
  margin: 0 auto;
}
.index-2 .case .preview .swiper-container {
  height: 100%;
  width: 100%;
}
.index-2 .case .preview .swiper-container .swiper-wrapper .swiper-slide {
  height: 100%;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  cursor: pointer;
  position: relative;
  -webkit-box-align: center;
  -webkit-align-items: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -webkit-flex-direction: column;
  -ms-flex-direction: column;
  flex-direction: column;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
  -ms-flex-pack: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.51);
}
.index-2 .case .preview .swiper-container .swiper-wrapper .swiper-slide::after {
  position: absolute;
  content: "";
  width: 0;
  height: 100%;
  top: 0;
  right: 0;
  z-index: 1;
  -webkit-transition: all 0.5s ease;
  -o-transition: all 0.5s ease;
  transition: all 0.5s ease;
}
.index-2 .case .preview .swiper-container .swiper-wrapper .swiper-slide img {
  position: relative;
  z-index: 2;
}
.index-2 .case .preview .swiper-container .swiper-wrapper .swiper-slide h3 {
  color: #fff;
  font-size: 16px;
  position: relative;
  z-index: 2;
  line-height: 1;
  margin-top: 1.5em;
}
.index-2 .case .preview .swiper-container .swiper-wrapper .swiper-slide.active-nav::after {
  background-color: #0667cc;
  left: 0;
  width: 100%;
}
.index-2 .case .preview .swiper-container .swiper-wrapper .swiper-slide.active-nav .icon1 {
  position: absolute;
  top: 0;
  left: 60px;
}
.index-2 .case .preview .swiper-container .swiper-wrapper .swiper-slide.active-nav .icon2 {
  position: absolute;
  top: 0;
  left: 0;
}
.index-2 .case .preview .swiper-container .swiper-wrapper .swiper-slide:nth-child(2) .iconfont {
  font-size: 48px;
}
.index-3 {
  padding: 60px 0;
}
.index-3 .cont ul {
  display: flex;
  flex-wrap: wrap;
  margin-top: 40px;
}
.index-3 .cont ul li {
  width: 232px;
  height: 120px;
  margin-top: 10px;
  margin-right: 10px;
  -webkit-animation-delay: 0.2s;
  animation-delay: 0.2s;
  -webkit-animation-duration: 0.8s;
  animation-duration: 0.8s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  -webkit-animation-name: zoomIn;
  animation-name: zoomIn;
}
.index-3 .cont ul li .pic {
  display: block;
  width: 100%;
  height: 100%;
}
.index-3 .cont ul li .pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.index-3 .cont ul li:nth-child(5n) {
  margin-right: 0;
}
.index-4 {
  padding: 60px 0;
  background-color: #f3f5f5;
}
.index-4 .list {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  margin-top: 70px;
}
.index-4 .list .top {
  position: relative;
  width: 495px;
  height: 334px;
  overflow: hidden;
}
.index-4 .list .top .pic {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.index-4 .list .top .pic img {
  width: 100%;
  height: 100%;
  transition: all 0.5s linear;
  -o-transition: all 0.5s linear;
  -ms-transition: all 0.5s linear;
  -webkit-transition: all 0.5s linear;
  -moz-transition: all 0.5s linear;
}
.index-4 .list .top .tit {
  position: absolute;
  width: 100%;
  height: 50px;
  background-color: rgba(0, 0, 0, 0.7);
  bottom: 0;
  display: flex;
  align-items: center;
  color: #ffffff;
  font-size: 16px;
  padding: 0 18px;
}
.index-4 .list .top .tit span {
  color: #f98f00;
  font-size: 16px;
  margin-right: 18px;
}
.index-4 .list .top .tit a {
  margin-left: auto;
  line-height: 22px;
  border: 2px solid #80878e;
  border-radius: 13px;
  color: #ffffff;
  font-size: 14px;
  padding: 0 18px;
}
.index-4 .list .top:hover .pic img {
  transform: scale(1.1);
  -o-transform: scale(1.1);
  -ms-transform: scale(1.1);
  -moz-transform: scale(1.1);
  -webkit-transform: scale(1.1);
}
.index-4 .list ul {
  margin-left: 45px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.index-4 .list ul li {
  display: flex;
}
.index-4 .list ul li .date {
  width: 105px;
  text-align: center;
}
.index-4 .list ul li .date p {
  color: #888888;
  font-size: 32px;
  font-weight: bold;
  line-height: 1;
}
.index-4 .list ul li .date .line {
  width: 100%;
  height: 1px;
  margin: 12px 0;
  background-color: #d2d2d2;
}
.index-4 .list ul li .date span {
  color: #acacac;
  font-size: 22px;
  line-height: 1;
}
.index-4 .list ul li .info {
  flex: 1;
  margin-left: 32px;
}
.index-4 .list ul li .info a {
  color: #333333;
  font-size: 18px;
  line-height: 1;
  transition: all 0.5s linear;
  -o-transition: all 0.5s linear;
  -ms-transition: all 0.5s linear;
  -webkit-transition: all 0.5s linear;
  -moz-transition: all 0.5s linear;
}
.index-4 .list ul li .info p {
  color: #555555;
  font-size: 14px;
  line-height: 24px;
  margin-top: 14px;
}
.index-4 .list ul li:hover .info a {
  color: #046aee;
}