.research-index {
  width: 100%;
}
.research-index .w1200 .top h2 {
  font-size: 30px;
  color: #333333;
  padding: 80px 0 30px;
}
.research-index .w1200 .top p {
  font-size: 16px;
  color: #999999;
  line-height: 1.6;
}
.research-index .w1200 .development {
  overflow: hidden;
}
.research-index .w1200 .development li {
  float: left;
  border-right: 1px solid #eeeeee;
  padding: 0 65px;
  margin: 50px 0 90px;
}
.research-index .w1200 .development li h2 {
  font-size: 60px;
  color: #76c619;
  text-align: center;
}
.research-index .w1200 .development li h2 span {
  font-size: 20px;
  vertical-align: initial;
}
.research-index .w1200 .development li p {
  font-size: 20px;
  color: #666666;
  text-align: center;
}
.research-index .w1200 .development li:first-of-type {
  padding-left: 0;
}
.research-index .w1200 .development li:last-of-type {
  padding-right: 0;
  border-right: none;
}
.research-index .w1200 .development1 {
  display: flex;
  justify-content: center;
  align-items: baseline;
  margin-top: 50px;
}
.research-index .w1200 .development1 li {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 20%;
  padding: 0;
  margin: 0;
  margin-bottom: 50px;
  border-right: 1px solid #eeeeee;
}
.research-index .w1200 .development1 li:nth-child(3) {
  border-right: none;
}
.research-index .w1200 .development1 li:nth-child(5) {
  border-right: none;
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul {
  overflow: hidden;
  padding: 20px 0 80px;
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul li {
  position: relative;
  width: 280px;
  height: 398px;
  margin-right: 7px;
  float: left;
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul li:last-of-type {
  margin-right: 0;
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul li .img {
  display: block;
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul li .img .mask {
  display: none;
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  z-index: 99;
  width: 100%;
  height: 100%;
  background: rgba(123, 189, 38, 0.75);
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul li .img .mask p {
  width: 90%;
  margin: 0 auto;
  font-size: 20px;
  color: #ffffff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul li .img:hover .mask {
  display: block;
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul li #img-div {
  position: relative;
  display: block;
  width: 333px;
  height: 194px;
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul li #img-div .mask-div {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 99;
  width: 100%;
  height: 100%;
  background: rgba(123, 189, 38, 0.75);
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul li #img-div .mask-div p {
  width: 90%;
  margin: 0 auto;
  font-size: 20px;
  color: #ffffff;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}
.research-index .w1200 .swiper-container .swiper-slide .swiper-ul li #img-div:first-of-type {
  margin-bottom: 10px;
}
.research-index .w1200 .swiper-container .swiper-pagination-bullet {
  width: 14px !important;
  height: 14px !important;
}
.research-index .w1200 .swiper-container .swiper-pagination-bullet-active {
  background: #aec546 !important;
}
.research-index .w1200 .research-foot h2 {
  font-size: 30px;
  color: #333333;
  padding: 100px 0 30px;
}
.research-index .w1200 .research-foot p {
  font-size: 16px;
  color: #999999;
  padding-bottom: 50px;
}
.research-index .w1200 .research-foot ul {
  overflow: hidden;
  padding-bottom: 100px;
}
.research-index .w1200 .research-foot ul li {
  float: left;
}
.research-index .w1200 .research-foot ul li:first-of-type {
  margin-right: 20px;
}
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