html, body {
  margin: 0;
  padding: 0;
}
.researchContent {
  width: 100%;
  height: 970px;
  overflow: hidden;
}
.researchContent .titleContent {
  position: relative;
  width: 100%;
  height: 150px;
  display: flex;
  justify-content: center;
  align-items: center;
}
.researchContent .mainContent {
  width: 100%;
  height: calc(100% - 150px);
  overflow: hidden;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url('/static/models-pi/img/research_bg.png');
}
.researchContent .titleContent .titleText {
  width: fit-content;
  height: 46px;
  font-size: 40px;
  font-weight: bold;
  color: #333333;
  line-height: 46px;
  border-bottom: 1px solid var(--pi-color);
  box-sizing: border-box;
}
.researchContent .titleContent .titleMore {
  width: 200px;
  height: 24px;
  position: absolute;
  top: 63px;
  right: calc(50% - 600px);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  cursor: pointer;
}
.researchContent .titleContent .titleMore .titleMoreText {
  width: fit-content;
  height: 24px;
  font-size: 20px;
  font-weight: 500;
  color: var(--pi-color);
  line-height: 24px;
}
.researchContent .titleContent .titleMore .titleMoreImg {
  width: 22px;
  height: 17px;
  margin-left: 11px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url('/static/models-pi/img/title_more.png');
}
/*swiper*/
.researchContent .swiper-container {
  width: 100%;
  height: calc(100% - 50px);
  margin-top: 50px;
  position: relative;
}
.whiteBg {
  width: calc(33.33% - 40px);
  height: 100%;
  position: absolute;
  left: calc(66.67%/2 + 20px);
  top: 0;
  z-index: 0;
  background: #ffffff;
}
.researchContent .swiper-slide {
  background: transparent;
}

@keyframes mymove {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@-webkit-keyframes mymove /*Safari and Chrome*/
{
  0% {
    opacity: 0;
  }
  50% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}

.researchContent .swiper-slide-active .bottomContent{
  display: block;
  animation: mymove .5s;
  -webkit-animation: mymove .5s;
}
.researchContent .bottomContent {
  display: none;
  width: 100%;
  height: 100%;
  background: transparent;
  z-index: 10;
  overflow: hidden;
}
.researchContent .bottomContent .bottomTitle {
  margin-top: 43px;
  width: 100%;
  height: auto;
  min-height: 28px;
  /*max-height: 64px;*/
  font-size: 24px;
  font-weight: bold;
  color: #333333;
  line-height: 32px;
  padding: 0 20px;
  text-align: left;
  box-sizing: border-box;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.researchContent .bottomContent .bottomText {
  width: 100%;
  height: calc(100% - 490px);
  max-height: 240px;
  margin-top: 20px;
  padding: 0 20px;
  box-sizing: border-box;
  font-size: 14px;
  font-weight: 400;
  color: #333333;
  line-height: 24px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 10;
}
.researchContent .imgContent {
  width: 100%;
  height: 300px;
  object-fit: cover;
  position: absolute;
  left: 0;
  bottom: 92px;
  z-index: 20;
}
.researchContent .swiper-button-prev {
  position: absolute;
  width: 35px !important;
  height: 35px !important;
  top: 66%;
  margin-top: 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url('/static/models-pi/img/swiper_pre.png');
  left: 31.9% !important;
}
.researchContent .swiper-button-next {
  position: absolute;
  width: 35px !important;
  height: 35px !important;
  top: 66%;
  margin-top: 0;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-image: url('/static/models-pi/img/swiper_next.png');
  right: 31.9% !important;
}
.researchContent .swiper-button-prev:after, .swiper-rtl .swiper-button-next:after {
  display: none;
}
.researchContent .swiper-button-next:after, .swiper-rtl .swiper-button-prev:after {
  display: none;
}
.researchContent .swiper-horizontal>.swiper-pagination-bullets, .swiper-pagination-bullets.swiper-pagination-horizontal, .swiper-pagination-custom, .swiper-pagination-fraction {
  bottom: 40px;
}
.swiper2{
  display: none;
}
.swiper1{
  display: block;
}

@media screen and (max-width: 1200px) {
  .researchContent .titleContent{
    height: 60px;
  }
  .researchContent .titleContent .titleText{
    height: auto;
    line-height: 1.5;
    font-size: 16px;
    font-weight: 700;
  }
  .swiper2{
    display: block;
  }
  .swiper1{
    display: none;
  }
  .researchContent .bottomContent .bottomTitle{
    margin-top: 20px;
    font-size: 14px;
    color: #ffffff;
  }
  .researchContent .bottomContent .bottomText{
    text-align: justify;
    font-size: 12px;
    color: #ffffff;
    height: auto;
    -webkit-line-clamp: 8;

  }
  .researchContent{
    height: 670px;
  }
  .researchContent .mainContent{
    height: 600px;
  }
  .researchContent .swiper-container{
    height: 600px;
  }
  .researchContent .imgContent{
    width: 94%;
    height: 200px;
    left: 3%;
    bottom: 70px;
  }
}