@keyframes zoomInOut {
  0%,
  100% {
    transform: scale(1);
    /* 初始状态和结束状态，元素大小不变 */
  }
  50% {
    transform: scale(1.1);
    /* 动画中间状态，元素放大到1.5倍 */
  }
}
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}
.ctn1 {
  padding: 100px 0 120px;
  background: #f0f5f8;
  overflow: hidden;
}
.ctn1 .ctn-list {
  margin-top: 2.5vw;
}
.ctn1 .ctn-list ul {
  display: flex;
  justify-content: space-between;
}
.ctn1 .ctn-list ul li {
  flex: 1;
  background: url(../img/develop/bg1.jpg) no-repeat;
  background-size: 100% 100%;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  overflow: hidden;
}
.ctn1 .ctn-list ul li .tu {
  height: 296px;
  position: relative;
}
.ctn1 .ctn-list ul li .tu > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
}
.ctn1 .ctn-list ul li .tu .icons {
  position: absolute;
  left: 50%;
  top: 80px;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -moz-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn1 .ctn-list ul li .text {
  height: 296px;
  padding: 70px 30px 0;
  text-align: center;
}
.ctn1 .ctn-list ul li .text .icons {
  display: none;
  margin-bottom: 14px;
}
.ctn1 .ctn-list ul li .text h2 {
  font-weight: 700;
  height: 72px;
  display: flex;
  justify-content: center;
  -webkit-line-clamp: 2;
	display: -webkit-box;
	-webkit-box-orient: vertical;
	text-overflow: ellipsis;
	overflow: hidden;
	line-height:1.5;
	max-height:3em;
}
.ctn1 .ctn-list ul li .text p {
  -webkit-line-clamp: 3;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  text-overflow: ellipsis;
  overflow: hidden;
  line-height: 1.5;
  height: 4.5em;
  margin-top: 10px;
}
.ctn1 .ctn-list ul li:not(:last-child) {
  margin-right: 10px;
}
.ctn1 .ctn-list ul li:hover {
  flex: 1.8;
  background: #fff;
}
.ctn1 .ctn-list ul li:hover .tu > img {
  opacity: 1;
}
.ctn1 .ctn-list ul li:hover .tu .icons {
  opacity: 0;
}
.ctn1 .ctn-list ul li:hover .text {
  padding: 40px 50px 0;
  text-align: left;
}
.ctn1 .ctn-list ul li:hover .text .icons {
  display: block;
}
.ctn1 .ctn-list ul li:hover .text h2{
    height: auto;
    max-height: auto;
      -webkit-line-clamp: inherit;
    justify-content: flex-start;
}
.ctn1 .ctn-list ul li:hover .text p {
  -webkit-line-clamp: inherit;
  height: auto;
}
.ctn2 {
  padding: 100px 0 120px;
  overflow: hidden;
  background: url(../img/develop/bg2.jpg) no-repeat;
  background-size: cover;
}
.ctn2 .ctn-top {
  margin-top: 80px;
  display: flex;
  justify-content: space-between;
}
.ctn2 .ctn-top .left {
  width: 47%;
}
.ctn2 .ctn-top .left h2 {
  font-weight: 500;
}
.ctn2 .ctn-top .left h2 span {
  color: var(--blue);
}
.ctn2 .ctn-top .left ul {
  display: flex;
  flex-wrap: wrap;
  margin-top: 20px;
}
.ctn2 .ctn-top .left ul li {
  width: 170px;
  height: 48px;
  border-radius: 23px;
  border: 1px solid var(--blue);
  background: #f1f5f9;
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--blue);
}
.ctn2 .ctn-top .left ul li:not(:nth-child(3n)) {
  margin-right: 14px;
}
.ctn2 .ctn-top .right {
  width: 47%;
}
.ctn2 .ctn-top .right .swiper-slide {
  overflow: hidden;
}
.ctn2 .ctn-top .right .swiper-slide img {
  width: 100%;
}
.ctn2 .ctn-top .right .swiper-slide:hover img {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
}
.ctn2 .ctn-bottom {
  margin-top: 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.ctn2 .ctn-bottom .left {
  width: 47%;
}
.ctn2 .ctn-bottom .left .swiper-slide {
  overflow: hidden;
}
.ctn2 .ctn-bottom .left .swiper-slide img {
  width: 100%;
}
.ctn2 .ctn-bottom .left .swiper-slide:hover img {
  transform: scale(1.05);
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
}
.ctn2 .ctn-bottom .right {
  width: 47%;
}
.ctn2 .ctn-bottom .right h2 {
  font-weight: 500;
}
.ctn2 .ctn-bottom .right ul {
  display: flex;
  margin-top: 14px;
}
.ctn2 .ctn-bottom .right ul li {
  padding: 0 50px;
  position: relative;
}
.ctn2 .ctn-bottom .right ul li:after {
  content: '';
  width: 1px;
  height: 58px;
  background: rgba(0, 0, 0, 0.1);
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.ctn2 .ctn-bottom .right ul li h3 {
  font-weight: 700;
  color: var(--blue);
}
.ctn2 .ctn-bottom .right ul li:first-child {
  padding-left: 0;
}
.ctn2 .ctn-bottom .right ul li:last-child {
  padding-right: 0;
}
.ctn2 .ctn-bottom .right ul li:last-child:after {
  display: none;
}
.ctn2 .ctn-bottom .right .text {
  margin-top: 20px;
}
.ctn2 .ctn-bottom .right .text p {
  line-height: 1.8;
}
.ctn2 .swiper-pagination {
  bottom: 14px;
}
.ctn2 .swiper-pagination .swiper-pagination-bullet {
  background: #fff;
  opacity: 1;
}
.ctn2 .swiper-pagination .swiper-pagination-bullet-active {
  background: var(--blue);
}
.ctn3 {
  padding: 100px 0 120px;
  background: #f0f5f8;
  overflow: hidden;
}
.ctn3 .ctn-list{
     margin-top:40px;
}
.ctn3 .ctn-list .tu img{
    width: 100%;
}
.ctn3 .ctn-list h3{
    text-align: center;
   margin-top:20px;
}
.ctn3 .content {
  margin-top: 40px;
}
.ctn3 .content .tu {
  margin: 0 auto;
  position: relative;
  width: 819px;
}
.ctn3 .content .tu > img {
  width: 100%;
  position: relative;
  z-index: 2;
}
.ctn3 .content .tu > .yuan {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  animation: zoomInOut 5s infinite;
}
.ctn3 .content .tu > h2 {
  position: absolute;
  left: 50%;
  top: 47%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  font-weight: 700;
  color: #fff;
  text-align: center;
  line-height: 1.3;
  z-index: 5;
}
.ctn3 .content .tu ul {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  z-index: 3;
}
.ctn3 .content .tu ul li {
  position: absolute;
  width: 154px;
  left: 12%;
  top: 0;
}
.ctn3 .content .tu ul li .icons img {
  width: 100%;
}
.ctn3 .content .tu ul li .icons img.quan {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  animation: rotate 5s linear infinite;
}
.ctn3 .content .tu ul li h2 {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  -webkit-transform: translate(-50%, -50%);
  -moz-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  font-weight: 700;
  color: #3991db;
  text-align: center;
  line-height: 1.2;
}
.ctn3 .content .tu ul li dl {
  position: absolute;
  width: 158px;
  left: -178px;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.ctn3 .content .tu ul li dl dd {
  width: 100%;
  height: 48px;
  border: 1px dashed #3991db;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ctn3 .content .tu ul li dl dd:not(:first-child) {
  margin-top: 8px;
}
.ctn3 .content .tu ul li:nth-child(2) {
  left: auto;
  right: 17%;
}
.ctn3 .content .tu ul li:nth-child(2) dl {
  left: auto;
  right: -178px;
}
.ctn3 .content .tu ul li:nth-child(3) {
  left: 0;
  top: 48%;
}
.ctn3 .content .tu ul li:nth-child(4) {
  left: auto;
  right: 0;
  top: 47%;
}
.ctn3 .content .tu ul li:nth-child(4) dl {
  left: auto;
  right: -178px;
}
.ctn3 .content .tu ul li:nth-child(5) {
  top: auto;
  bottom: 0;
  left: 40.5%;
}
.ctn3 .content .tu ul li:nth-child(5) dl {
  width: auto;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  height: 170px;
  justify-content: center;
}
.ctn3 .content .tu ul li:nth-child(5) dl dd {
  width: 158px;
}
.ctn3 .content .tu ul li:nth-child(5) dl dd:nth-child(n+4) {
  margin-left: 194px;
}
.ctn3 .bottom {
  display: none;
}
.ctn4 {
  padding: 100px 0 120px;
  overflow: hidden;
}
.ctn4 .tu {
  margin-top: 60px;
  position: relative;
}
.ctn4 .tu img {
  width: 100%;
}
.ctn4 .tu .right {
  position: absolute;
  right: 120px;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.ctn4 .tu .right ul {
  display: flex;
}
.ctn4 .tu .right ul li {
  padding: 0 50px;
  position: relative;
}
.ctn4 .tu .right ul li:after {
  content: '';
  width: 1px;
  height: 58px;
  background: rgba(0, 0, 0, 0.1);
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.ctn4 .tu .right ul li .num {
  display: flex;
  font-weight: 700;
  color: var(--blue);
}
.ctn4 .tu .right ul li:first-child {
  padding-left: 0;
}
.ctn4 .tu .right ul li:last-child {
  padding-right: 0;
}
.ctn4 .tu .right ul li:last-child:after {
  display: none;
}
.ctn4 .tu .right .text {
  margin: 40px 0 30px;
}
.ctn4 .tu .right .text p {
  line-height: 1.8;
}
.ctn4 .tu .right .mores a {
  display: flex;
  width: 184px;
  height: 60px;
  border-radius: 30px;
  background: var(--blue);
  justify-content: center;
  align-items: center;
  color: #fff;
  font-weight: 500;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.ctn4 .tu .right .mores a:hover {
  background: #024c95;
}
@media screen and (max-width: 1600px) {
  .ctn1 {
    padding: 5vw 0 6vw;
  }
  .ctn1 .ctn-list ul li .tu {
    height: 260px;
  }
  .ctn1 .ctn-list ul li .text {
    padding: 3.5vw 1.5vw 0;
    height: 270px;
  }
  .ctn1 .ctn-list ul li .text h2{
       height: 66px;
  }
  .ctn1 .ctn-list ul li:hover .text {
    padding: 2vw 2.5vw 0;
  }
  .ctn2 {
    padding: 5vw 0 6vw;
  }
  .ctn2 .ctn-top {
    margin-top: 4vw;
  }
  .ctn2 .ctn-bottom {
    margin-top: 3vw;
  }
  .ctn2 .ctn-bottom .right ul li {
    padding: 0 2.5vw;
  }
  .ctn3 {
    padding: 5vw 0 6vw;
  }
  .ctn4 {
    padding: 5vw 0 6vw;
  }
  .ctn4 .tu {
    margin-top: 3vw;
  }
  .ctn4 .tu .right {
    right: 6vw;
  }
  .ctn4 .tu .right ul li {
    padding: 0 2.5vw;
  }
  .ctn4 .tu .right .text {
    margin: 2vw 0 1.5vw;
  }
  .ctn4 .tu .right .mores a {
    width: 168px;
    height: 52px;
  }
}
@media screen and (max-width: 1440px) {
  .ctn1 .ctn-list ul li .tu {
    height: 234px;
  }
     .ctn1 .ctn-list ul li .text h2{
       height: 60px;
  }
  .ctn1 .ctn-list ul li .tu .icons img {
    width: 48px;
  }
  .ctn1 .ctn-list ul li .text .icons img {
    width: 48px;
  }
  .ctn2 .ctn-top .left ul li {
    width: 140px;
  }
  .ctn4 .tu .right{
      width: 55%;
      right:3vw;
  }
}
@media screen and (max-width: 1200px) {
  .ctn1 .ctn-list ul li .tu {
    height: 200px;
  }
  .ctn1 .ctn-list ul li .text {
    height: 280px;
  }
    .ctn1 .ctn-list ul li .text h2{
       height: 54px;
       font-size: 16px;
  }
  .ctn2 .ctn-top .left ul li {
    width: 130px;
    font-size: 14px;
    margin-top: 14px;
  }
  .ctn2 .ctn-top .left ul li:not(:nth-child(3n)) {
    margin-right: 10px;
  }
  .ctn3 .content .tu {
    width: 700px;
  }
  .ctn3 .content .tu ul li {
    width: 132px;
  }
  .ctn3 .content .tu ul li h2 {
    font-size: 14px;
  }
  .ctn3 .content .tu ul li dl {
    width: 134px;
    left: -148px;
  }
  .ctn3 .content .tu ul li dl dd {
    height: 42px;
  }
  .ctn3 .content .tu ul li:nth-child(2) dl {
    right: -148px;
  }
  .ctn3 .content .tu ul li:nth-child(4) dl {
    right: -148px;
  }
  .ctn3 .content .tu ul li:nth-child(5) dl {
    height: 160px;
  }
  .ctn3 .content .tu ul li:nth-child(5) dl dd {
    width: 134px;
  }
  .ctn3 .content .tu ul li:nth-child(5) dl dd:nth-child(n+4) {
    margin-left: 160px;
  }
}
@media screen and (max-width: 768px) {
  .ctn1 {
    padding: 40px 0;
  }
  .ctn1 .ctn-list {
    margin-top: 0;
  }
  .ctn1 .ctn-list ul {
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .ctn1 .ctn-list ul li {
    flex: none!important;
    width: 100%;
    margin-top: 20px;
    background: #fff;
    margin-right: 0!important;
  }
  .ctn1 .ctn-list ul li .tu > img {
    opacity: 1;
  }
  .ctn1 .ctn-list ul li .tu .icons {
    opacity: 0;
  }
  .ctn1 .ctn-list ul li .text {
    padding: 20px!important;
    text-align: left;
    height: auto;
  }
  .ctn1 .ctn-list ul li .text .icons {
    display: block;
  }
  .ctn1 .ctn-list ul li .text .icons img {
    width: 42px;
  }
.ctn1 .ctn-list ul li .text h2{
     -webkit-line-clamp: inherit;
       height: auto;
       max-height: auto;
     justify-content: flex-start;
  }
  .ctn1 .ctn-list ul li .text p {
    -webkit-line-clamp: inherit;
    height: auto;
  }
  .ctn2 {
    padding: 40px 0;
  }
  .ctn2 .ctn-top {
    margin-top: 24px;
    flex-wrap: wrap;
  }
  .ctn2 .ctn-top .left {
    width: 100%;
  }
  .ctn2 .ctn-top .left ul {
    margin-top: 4px;
  }
  .ctn2 .ctn-top .left ul li {
    height: 34px;
    margin-right: 10px!important;
  }
  .ctn2 .ctn-top .right {
    width: 100%;
    margin-top: 20px;
  }
  .ctn2 .ctn-bottom {
    margin-top: 30px;
    flex-wrap: wrap;
  }
  .ctn2 .ctn-bottom .left {
    width: 100%;
    order: 2;
    margin-top: 20px;
  }
  .ctn2 .ctn-bottom .right {
    width: 100%;
  }
     .ctn4 .tu .right h3{
       font-size: 12px;
       margin-bottom:10px;
   }
  .ctn2 .ctn-bottom .right ul li {
    padding: 0 20px;
  }
  .ctn3 {
    padding: 40px 0;
  }
  .ctn3 .ctn-list{
      margin-top:30px;
  }
  .ctn3 .ctn-list h3{
      margin-top:10px;
      font-size: 12px;
  }
  .ctn3 .content {
    margin-top: 30px;
  }
  .ctn3 .content .tu {
    width: 100%;
  }
  .ctn3 .content .tu > h2 {
    font-size: 12px;
  }
  .ctn3 .content .tu ul li {
    width: 80px;
    left: 10%;
    top: -6px;
  }
  .ctn3 .content .tu ul li h2 {
    font-size: 12px;
  }
  .ctn3 .content .tu ul li dl {
    display: none!important;
  }
  .ctn3 .content .tu ul li:nth-child(2) {
    right: 13%;
  }
  .ctn3 .content .tu ul li:nth-child(3) {
    left: -14px;
    top: 43%;
  }
  .ctn3 .content .tu ul li:nth-child(4) {
    right: -13px;
    top: 44%;
  }
  .ctn3 .content .tu ul li:nth-child(5) {
    bottom: -14px;
    left: 37.5%;
  }
  .ctn3 .bottom {
    margin-top: 40px;
    display: block;
  }
  .ctn3 .bottom ul li {
    margin-top: 30px;
  }
  .ctn3 .bottom ul li h2 {
    font-weight: 500;
    color: var(--blue);
    font-size: 16px;
    text-align: center;
    line-height: 1.3;
  }
  .ctn3 .bottom ul li dl {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 6px;
  }
  .ctn3 .bottom ul li dl dd {
    padding: 4px 10px;
    border: 1px dashed var(--blue);
    border-radius: 4px;
    margin-right: 10px;
    margin-top: 10px;
  }
  .ctn4 {
    padding: 40px 0;
  }
  .ctn4 .tu {
    margin-top: 30px;
  }
  .ctn4 .tu .right {
    right: 0;
    position: relative;
    top: 0;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    margin-top: 30px;
  }
  .ctn4 .tu .right ul li {
    padding: 0 25px;
  }
  .ctn4 .tu .right ul li:after {
    height: 40px;
  }
  .ctn4 .tu .right .text {
    margin: 20px 0;
  }
  .ctn4 .tu .right .mores a {
    width: 154px;
    height: 42px;
    font-size: 14px;
  }
}