html {
  box-sizing: border-box;
  font-size: 62.5%;
}

html *, html ::before, html ::after {
  box-sizing: inherit;
}

* {
  margin: 0px;
  padding: 0px;
  list-style-type: none;
}
a {
  text-decoration: none;
}

a {
  text-decoration: none !important;
}
body {
  background: url(https://www.impc.com.cn/resource/img/body_bj.jpg) 0% 0% / cover no-repeat;
  overflow-x: hidden;
}
.banner{
  background: url(https://www.impc.com.cn/resource/img/banner.png) no-repeat;
  background-size: 100%;
}
.banner >img{
  opacity: 0;
}

.puzzle {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 1323px;
  margin: 30px auto;
  margin-top: -127px;
}
.card__thumb img{
  width: 100%;
  height: 73%;
}
.container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: 100%;
}

.title {
  position: absolute;
  left: 40px;
  bottom: 80px;
  color: rgb(255, 255, 255);
}

.title .card__title {
  text-shadow: rgba(0, 137, 101, 0.5) -1px 4px 2px;
}

.title .card__titles {
  text-shadow: none;
  font-weight: 100;
  line-height: 40px;
  font-size: 18px;
}

.container .card:hover .title {
  opacity: 0;
}

.container > div:nth-child(2) .title {
  right: 70px;
  bottom: 150px;
  text-align: right;
}

.container > div:nth-child(2) .title .card__title, .container > div:nth-child(4) .title .card__title {
  text-align: right;
}

.container > div:nth-child(4) .title {
  right: 70px;
}

.container > div:nth-child(1) {
  width: 56.1%;
  margin-right: -7%;
}

.container > div:nth-child(2) .card__caption {
  padding: 0px 50px 0px 98px;
  margin-top: -39px;
}

.container > div:nth-child(3) .card__caption {
  padding: 100px 84px 0px 50px;
  margin-top: 35px;
}

.container > div:nth-child(4) .card__caption {
  padding: 64px 5px 0px 160px;
  margin-top: 35px;
}

.container > div:nth-child(2) .card__title {
}

.container > div:nth-child(3) {
  margin-top: -12.9%;
}

.container > div:nth-child(3) .card__snippet {
  margin: 84px 0px 0px 55px;
  padding: 0px;
}

.container > div:nth-child(4) {
  margin-top: -6.85%;
  margin-left: -6.6%;
  width: 56%;
}

.card {
  width: 50%;
}

.card:hover .card__caption {
  top: 40.5%;
  transform: translateY(-50%);
  padding-top: 100px;
}

.container > div:nth-child(2):hover .card__caption {
  top: 48.1%;
  transform: translateY(-50%);
}

.card:hover .card__image {
}

.card:hover .card__thumb::after {
  top: -15px;
  left: 3px;
}

.container > div:nth-child(2):hover .card__thumb::after {
  top: -13px;
  left: 8px;
}

.container > div:nth-child(3):hover .card__thumb::after {
  top: -11px;
  left: 7px;
}

.container > div:nth-child(4):hover .card__thumb::after {
  top: -11px;
  left: 8px;
}
.container>div:nth-child(3) .card__thumb img{
  height: 653px;
}
.card:hover .card__snippet {
  margin: 10px 0px;
}

.card__thumb {
  position: relative;
  overflow: hidden;
}

.card__thumb::after {
  position: absolute;
  top: 0px;
  display: block;
  content: "";
  width: 100%;
  height: 100%;
  transition: all 0.3s ease 0s;
}

.container > div:nth-child(1) .card__thumb::after {
  background: url("https://www.impc.com.cn/resource/img/enterprise_01_bj.png") no-repeat;
  background-size: 98% 102%;
}

.container > div:nth-child(2) .card__thumb::after {
  background: url("https://www.impc.com.cn/resource/img/enterprise_02_bj.png") no-repeat;
  background-size: 98% 103%;
}

.container > div:nth-child(3) .card__thumb::after {
  background: url("https://www.impc.com.cn/resource/img/enterprise_03_bj.png") no-repeat;
  background-size: 98% 104%;
}

.container > div:nth-child(4) .card__thumb::after {
  background: url("https://www.impc.com.cn/resource/img/enterprise_04_bj.png") no-repeat;
  background-size: 98% 105%;
}

@media (min-width: 1024px) {
  .card__thumb::after {
      top: calc(100% - 4px);
  }
}

.card__image {
  transition: all 0.5s ease-in-out 0s;
}

.card__caption {
  position: absolute;
  top: 50%;
  z-index: 1;
  color: white;
  transform: translateY(-50%);
  text-align: center;
  transition: all 0.3s ease 0s;
  padding: 0px 129px 0px 50px;
}

@media (min-width: 1024px) {
  .card__caption {
      top: calc(100% + 30px);
      transform: unset;
  }
}

.card__title {
  display: -webkit-box;
  max-height: 85px;
  overflow: hidden;
  font-size: 50px;
  text-overflow: ellipsis;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  text-align: left;
}

.card__titles {
  font-size: 30px;
}

.card__snippet {
  display: -webkit-box;
  max-height: 195px;
  margin: 20px 0px;
  /* overflow: hidden; */
  margin-bottom: 10px;
  font-family: Roboto, sans-serif;
  font-size: 16px;
  text-overflow: ellipsis;
  transition: all 0.5s ease-in-out 0s;
  /* -webkit-line-clamp: 6; */
  -webkit-box-orient: vertical;
  padding: 0px 10px;
  line-height: 36px;
  text-align: left;
  text-indent: 2em;
}

@media (min-width: 1024px) {
  .card__snippet {
      margin: 105px 0px;
  }

  .container > div:nth-child(2) .card__snippet {
      margin: 180px 0px;
  }

  .container > div:nth-child(2):hover .card__snippet {
      margin: 20px 0px;
  }
}

.card__button {
  display: inline-block;
  padding: 10px 20px;
  color: white;
  border: 1px solid white;
  font-family: Roboto, sans-serif;
  font-size: 12px;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.3s ease 0s;
}

.card__button:hover {
  color: black;
  background-color: white;
}

.flipover {
  display: flex;
  justify-content: center;
  align-items: center;
  padding-top: 52px;
  width: 1300px;
  margin: 0px auto;
}

.flipover .box {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  transform-style: preserve-3d;
}

.flipover .box .items {
  position: relative;
  width: 406.6px;
  height: 810px;
  margin-right: 40px;
  margin-bottom: 40px;
}

.flipover .box .items .img {
  height: 550px;
  width: 100%;
  overflow: hidden;
  z-index: 1;
}

.flipover .box .items .img img {
  width: 100%;
}

.flipover .box .items .text {
  height: 260px;
  width: 100%;
  overflow: hidden;
  z-index: 1;
  transition: height 0.5s ease 0s;
  background: rgb(255, 255, 255);
  display: flex;
    justify-content: center;
    align-items: center;
}
.flipover .box .items .text > div{
  width: 335px;
}

.flipover .box > div:nth-child(7) .text {
  padding: 2px 37px 0px;
}

.flipover .box > div:nth-child(7) .text > p > span {
  font-weight: 700;
}

.flipover .box .items .text h3 {
  font-size: 48px;
  color: rgb(0, 137, 102);

}

.flipover .box .items .text p {
  font-size: 25px;
  color: rgb(51, 51, 51);
  line-height: 45px;
}
.flipover .box .items .text p span{
  font-weight: 700;
}
.flipover .box > div:nth-child(3n) {
  margin-right: 0px;
}

.flipover .box .items .details {
  position: absolute;
  width: 1200px;
  height: 580px;
  background: linear-gradient(to right, rgba(4, 35, 158, 0.86), rgba(52, 190, 150, 0.88));
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9;
  transition: transform 1s ease 0s;
  padding: 0px 30px;
  color: rgb(255, 255, 255);
}

.flipover .box .items .details h3 {
  font-size: 30px;
  line-height: 50px;
}

.flipover .box .items .details div p {
  text-indent: 2em;
  font-size: 16px;
  line-height: 24px;
}

.flipover .box > :nth-child(1) .details, .flipover .box > :nth-child(4) .details, .flipover .box > :nth-child(7) .details {
  left: -376%;
  top: 50%;
  transform: translateY(-50%);
  width: 1300px;
}

.flipover .box > :nth-child(2) .details, .flipover .box > :nth-child(5) .details, .flipover .box > :nth-child(8) .details {
  left: -109.7%;
  top: -50%;
  transform: translateY(-50%);
  width: 1300px;
}

.flipover .box > :nth-child(5) .details {
  left: -454%;
  top: 50%;
  transform: translateY(-50%);
  width: 1300px;
}

.flipover .box > :nth-child(8) .details {
  left: -110%;
  top: 145%;
  transform: translateY(-50%);
  width: 1300px;
}

.flipover .box > :nth-child(3) .details, .flipover .box > :nth-child(6) .details, .flipover .box > :nth-child(9) .details {
  right: -379%;
  top: 50%;
  transform: translateY(-50%);
  width: 1300px;
}

.flipover .box > div:nth-child(1) .hover_bj, .flipover .box > div:nth-child(3) .hover_bj, .flipover .box > div:nth-child(4) .hover_bj, .flipover .box > div:nth-child(6) .hover_bj, .flipover .box > div:nth-child(7) .hover_bj, .flipover .box > div:nth-child(9) .hover_bj {
  position: absolute;
  left: 0px;
  top: 0px;
  width: 100%;
  height: 100%;
  transition: opacity 0.5s ease;
  opacity: 0;
  /* transition: height 0.5s ease 0s; */
}

.flipover .box > div:nth-child(2) .hover_bj, .flipover .box > div:nth-child(5) .hover_bj, .flipover .box > div:nth-child(8) .hover_bj {
  position: absolute;
  left: 0px;
  bottom: 0px;
  width: 100%;
  height: 68%;
  opacity: 0;
  /* transition: height 0.5s ease 0s; */
  transition: opacity 0.5s ease;
}

.flipover .box .items:hover .hover_bj {
  height: 100%;
}

.flipover .box > :nth-child(1):hover .details, .flipover .box > :nth-child(4):hover .details, .flipover .box > :nth-child(7):hover .details {
  transform: translate(117.6%, -50%);
}

.flipover .box > :nth-child(2):hover .details, .flipover .box > :nth-child(5):hover .details {
  transform: translate(0%, 89.6%);
}

.flipover .box > :nth-child(5):hover .details {
  transform: translate(107.6%, -50%);
}

.flipover .box > :nth-child(8):hover .details {
  transform: translate(0%, -182.8%);
}

.flipover .box > :nth-child(3):hover .details, .flipover .box > :nth-child(6):hover .details, .flipover .box > :nth-child(9):hover .details {
  transform: translate(-118.5%, -50%);
}

.flipover .box > :nth-child(1):hover .details {
  transform: translate(118.2%, -50%);
}

.flipover .box > :nth-child(1):hover .details {
  animation: 1s ease 0s 1 normal forwards running fadeIn;
  transform: translate(117.6%, -50%);
}
.flipover .box >div .hover_bj{
  background-size: 100%;
}
.flipover .box > :nth-child(1) .hover_bj {
  background: url(https://www.impc.com.cn/resource/img/mdfl-glln.jpg) center top  no-repeat;
}

.flipover .box > :nth-child(2) .hover_bj {
  background: url(https://www.impc.com.cn/resource/css/mdfl-aqln.jpg) center top  no-repeat;
}

.flipover .box > :nth-child(3) .hover_bj {
  background: url(https://www.impc.com.cn/resource/img/mdfl-jyln.jpg) center top no-repeat;
}

.flipover .box > :nth-child(4) .hover_bj {
  background: url(https://www.impc.com.cn/resource/img/mdfl-fwln.jpg) center top no-repeat;
}

.flipover .box > :nth-child(5) .hover_bj {
  background: url(https://www.impc.com.cn/resource/img/mdfl-rcln.jpg) center top no-repeat;
}

.flipover .box > :nth-child(6) .hover_bj {
  background: url(https://www.impc.com.cn/resource/img/mdfl-ljln.jpg) center top no-repeat;
}

.flipover .box > :nth-child(7) .hover_bj {
  /* background: url("https://www.impc.com.cn/resource/img/flipover_07.jpg") center top / 131% no-repeat; */
  background: url(https://www.impc.com.cn/resource/img/mdfl-ygxwzz.jpg) center top  no-repeat;
  /* background: #eee; */
}

.flipover .box > :nth-child(8) .hover_bj {
  /* background: url("https://www.impc.com.cn/resource/img/flipover_08.jpg") center top / 131% no-repeat; */
  background: url(https://www.impc.com.cn/resource/img/mdfl-yglygf.jpg) center top  no-repeat;
}

.flipover .box > :nth-child(9) .hover_bj {
  /* background: url("https://www.impc.com.cn/resource/img/flipover_09.jpg") center top / 131% no-repeat; */
  background: url(https://www.impc.com.cn/resource/img/mdfl-gtkh.jpg) center top  no-repeat;
}

.details_item span {
  font-weight: 700;
}

.flipover .box .items:hover .hover_bj {
  opacity: 1;
}

@keyframes fadeIn {
  0% {
      opacity: 0;
  }

  100% {
      opacity: 1;
  }
}

ul, li {
  padding: 0px;
  margin: 0px;
}

.relevant {
  width: 1300px;
  margin: 0px auto 30px;
}

.relevant .relevant_title {
  height: 90px;
  width: 1400px;
  text-align: center;
}

.relevant ul {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  transform-style: preserve-3d;
}

.relevant ul li {
  width: 44%;
  margin: 20px 0px;
}

.relevant ul li h3 {
  font-size: 26px;
  color: rgb(0, 137, 101);
  line-height: 45px;
}

.relevant ul li p {
  font-size: 16px;
  text-indent: 2em;
  color: rgb(51, 51, 51);
  line-height: 30px;
}

.footer {
  padding-top: 81px;
  width: 100%;
  height: 500px;
  background: url("https://www.impc.com.cn/resource/img/footer_bj.jpg") center top no-repeat;
}

.footer {
}

.footer p {
  text-align: center;
  font-size: 24px;
  line-height: 44px;
  color: rgb(255, 255, 255);
}