@charset "utf-8";
/*轮播*/
.i-banner {
  width: 100%;
  height: 100%;
  position: relative;
  z-index:998;
  overflow: hidden;
}
.i-banner .swiper-container {
  width: 100%;
  height: 100%;
  display: block;
}
.i-banner .swiper-slide {
  position: relative;
}
.i-banner .swiper-slide > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.i-banner .swiper-button-prev,
.i-banner .swiper-button-next {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.8);
  margin-top: -25px;
}
.i-banner .swiper-button-prev {
  left: 3%;
}
.i-banner .swiper-button-next {
  right: 3%;
}
.i-banner .swiper-button-prev:after,
.i-banner .swiper-button-next:after {
  font-size: 1.375rem;
  color: #000;
}
.i-banner .swiper-pagination{
  width:100%;
  bottom:50px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.i-banner .swiper-pagination .swiper-pagination-bullet{
  width:80px;
  height:80px;
  background:none;
  border:2px #fff solid;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  color:#fff;
  opacity:.5;
  margin:0 20px;
  font-size:14px;
}
.i-banner .swiper-pagination .swiper-pagination-bullet img{
  display:block;
}
.i-banner .swiper-pagination .swiper-pagination-bullet-active{
  opacity:1;
}
@media (max-width: 992px) {
  .i-banner,
  .i-banner .swiper-container,
  .i-banner .swiper-slide > img {
    height: auto;
    display: none;
  }
}
@media (max-width: 992px) {
}
@media (max-width: 750px) {
  .i-banner .swiper-button-prev,
  .i-banner .swiper-button-next {
    width: 24px;
    height: 24px;
    margin-top: -12px;
  }
}

.m-banner {
  width: 100%;
  height: 100%;
  position: relative;
  display: none;
  overflow: hidden;
}
.m-banner .swiper-container {
  width: 100%;
  height: 100%;
  display: block;
}
.m-banner .swiper-slide {
  position: relative;
}
.m-banner .swiper-slide > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.m-banner .swiper-button-prev,
.m-banner .swiper-button-next {
  width: 50px;
  height: 50px;
  background: rgba(255, 255, 255, 0.8);
  margin-top: -25px;
}
.m-banner .swiper-button-prev {
  left: 3%;
}
.m-banner .swiper-button-next {
  right: 3%;
}
.m-banner .swiper-button-prev:after,
.m-banner .swiper-button-next:after {
  font-size: 1.375rem;
  color: #000;
}
.m-banner .swiper-pagination{
  width:100%;
  bottom:20px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.m-banner .swiper-pagination .swiper-pagination-bullet{
  background:#fff;
  margin:0 5px;
  width:10px;
  height:10px;
}
@media (max-width: 992px) {
  .m-banner,
  .m-banner .swiper-container,
  .m-banner .swiper-slide > img {
    height: auto;
    display: block;
  }
  .m-banner{
    margin-top:70px;
  }
}
@media (max-width: 992px) {
}
@media (max-width: 750px) {
  .m-banner{
    margin-top:50px;
  }
  .m-banner .swiper-button-prev,
  .m-banner .swiper-button-next {
    width: 24px;
    height: 24px;
    margin-top: -12px;
  }
  .m-banner .swiper-button-prev:after,
  .m-banner .swiper-button-next:after {
    font-size: .75rem;
  }
  .m-banner .swiper-pagination{
    bottom:15px;
  }
  .m-banner .swiper-pagination .swiper-pagination-bullet{
    margin:0 3px;
    width:8px;
    height:8px;
  }
}

.i-case{
  width:100%;
  padding:100px 0;
  height:836px;
  position:relative;
  overflow:hidden;
}
.i-case .case-bg{
  width:100%;
  height:100%;
  top:0;
  left:0;
  background:url(../images/i-bg2.png) no-repeat top center;
  background-size:cover;
  position:absolute;
  z-index:1;
}
.i-case .case-title{
  text-align:center;
  font-size:48px;
  line-height:48px;
  font-weight:700;
  position:relative;
  z-index:2;
}
.i-case .case-bd{
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: -1;
  width: 550px;
  height: 520px;
  margin-top: -226px;
  margin-left: -280px;
}
.i-case .case-bd img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:none;
}
.i-case .case-bd .active{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.i-case .case-hd{
  width:100%;
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%, -50%);
  z-index:2;
}
.i-case .case-hd .hd{
  position:relative;
  z-index:2;
}
.i-case .case-hd .hd a{
  display: inline-block;
  width: 143px;
  height: 143px;
  margin: 0 10px;
  padding: 20px 14px;
  border: 1px solid #d2d2d2;
  background: #fff;
  border-radius: 15px;
  box-sizing: border-box;
  vertical-align: top;
  cursor: pointer;
  -webkit-transition: all 0.5s ease;
  transition: all 0.5s ease;
}
.i-case .case-hd .hd a:hover{
  color:#fff;
  background:url(../images/i-bg3.png) no-repeat center;
  background-size:cover;
}
.i-case .case-hd .hd .box{
  width:100%;
  height:100%;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
}
.i-case .case-hd .hd .box .image{
  display:flex;
  align-items:center;
  justify-content:center;
}
.i-case .case-hd .hd .box .image i{
  font-size:42px;
  line-height:42px;
  display:block;
  color:#014099;
  -webkit-transition: all 0.5s ease;
  transition: all 0.5s ease;
}
.i-case .case-hd .hd a:hover .box .image i{
  color:#fff;
}
@media (max-width: 1600px) {
  .i-case .case-title{
    font-size:36px;
    line-height:36px;
  }
}
@media (max-width: 992px) {
  .i-case .case-title{
    font-size:32px;
    line-height:32px;
  }
  .i-case .case-hd .hd .right{
    margin-top:4%;
  }
}
@media (max-width: 992px) {
  .i-case .case-title{
    font-size:28px;
    line-height:28px;
  }
}
@media (max-width: 750px) {
  .i-case{
    display:none;
  }
  
}

.mb-case{
  display:none;
}
.mb-case .image img{
  width:100%;
  display:block;
}
.mb-case .list{
  display:flex;
  flex-wrap:wrap;
}
.mb-case .list a{
  width:33.333333%;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  padding:4%;
  border-right:1px #eee solid;
  border-bottom:1px #eee solid;
  text-align:column;
}
.mb-case .list .image i{
  font-size:48px;
  line-height:48px;
  display:block;
  color:#014099;
}
.mb-case .list .image{
  margin-bottom:10px;
}
@media (max-width: 750px) {
  .mb-case{
    display:block;
  }
}

.i-about{
  width:100%;
}
.i-about .about-video{
  width:100%;
  height:746px;
  position:relative;
  overflow:hidden;
}
.i-about .about-video .image{
  width:100%;
  height:100%;
  overflow:hidden;
}
.i-about .about-video .image img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.i-about .about-video .play{
  width:100%;
  height:100%;
  position:absolute;
  left:0;
  top:0;
  display:flex;
  align-items:center;
  justify-content:center;
}
.i-about .about-video .play i{
  width:50px;
  height:50px;
  background:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  position:relative;
  z-index:1;
  color:#000;
}
.i-about .about-video .play:before,
.i-about .about-video .play:after{
  content:"";
  border-radius:50%;
  position:absolute;
  width:50px;
  height:50px;
}
.i-about .about-video .play:before{
  background:rgba(255, 255, 255, 1);
  -webkit-transition: .5s;
    -moz-transition: .5s;
    transition: .5s;
    -webkit-animation: ks 2s linear infinite;
    -moz-animation: ks 2s linear infinite;
    animation: ks 2s linear infinite;
}
.i-about .about-video .play:after{
  -webkit-transition: .5s;
    -moz-transition: .5s;
    transition: .5s;
    -webkit-animation: ks 2s linear infinite;
    -moz-animation: ks 2s linear infinite;
    animation: ks 2s linear infinite;
    -webkit-animation-delay: .6s;
    -moz-animation-delay: .6s;
    animation-delay: .6s;
    background:rgba(255, 255, 255, 1);
    background: 0 0;
}
/* 定义@keyframes动画 */
@keyframes ks {
  0% {
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      -ms-transform: scale(1);
      transform: scale(1);
      opacity: 1;
  }
  80% {
      -webkit-transform: scale(1.6);
      -moz-transform: scale(1.6);
      -ms-transform: scale(1.6);
      transform: scale(1.6);
      opacity: .3;
  }
  100% {
      -webkit-transform: scale(1.6);
      -moz-transform: scale(1.6);
      -ms-transform: scale(1.6);
      transform: scale(1.6);
      opacity: 0;
  }
}
.i-about .about-content{
  margin-top:100px;
  background:#fff;
  box-shadow:0 0 6px rgba(0, 0, 0, .15);
  display:flex;
  overflow:hidden;
}
.i-about .about-content .left,
.i-about .about-content .right{
  width:50%;
  padding:80px;
}
.i-about .about-content .left .title h1{
  font-size:46px;
  line-height:46px;
  font-weight:700;
}
.i-about .about-content .left .title h2{
  color:#666666;
  margin-top:10px;
}
.i-about .about-content .left .content ul{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
}
.i-about .about-content .left .content li{
  width:48%;
  display:flex;
  justify-content:flex-start;
  margin-top:50px;
}
.i-about .about-content .left .content .lt .icon{
  font-size:40px;
  display:block;
  color:#014099;
  margin-right:20px;
}
.i-about .about-content .left .content .rt .rt-1 span:nth-child(1){
  font-size:48px;
  line-height:48px;
  font-weight:700;
}
.i-about .about-content .left .content .rt .rt-1 span:nth-child(2){
  font-size:30px;
  line-height:30px;
  font-weight:700;
}
.i-about .about-content .right{
  background:url(../images/i-bg1.jpg) no-repeat right bottom;
  background-size:cover;
  color:#fff;
}
.i-about .about-content .right .title{
  font-size:24px;
  line-height:24px;
  font-weight:700;
}
.i-about .about-content .right .content{
  margin:40px 0;
}
.i-about .about-content .right .more{
  display:flex;
  justify-content:flex-start;
}
.i-about .about-content .right .more a{
  display:flex;
  align-items:center;
  justify-content:center;
  background:#fff;
  border-radius:10px;
  width:200px;
  height:50px;
}
.i-about .about-content .right .more a i{
  display:block;
  margin-left:10px;
}
.i-about .about-content .right .more a:hover{
  background:#000;
  color:#fff;
}
@media (max-width: 1600px) {
  .i-about .about-content .left .title h1{
    font-size:40px;
    line-height:40px;
  }
  .i-about .about-content .left .content .lt .icon{
    font-size:28px;
    margin-right:10px;
  }
  .i-about .about-content .left .content .rt .rt-1 span:nth-child(1){
    font-size:40px;
    line-height:40px;
  }
  .i-about .about-content .left .content .rt .rt-1 span:nth-child(2){
    font-size:24px;
    line-height:24px;
  }
}
@media (max-width: 992px) {
  .i-about .about-video{
    height:54vh;
  }
  .i-about .about-content{
    margin-top:10%;
    flex-direction:column;
  }
  .i-about .about-content .left,
  .i-about .about-content .right{
    width:100%;
    padding:8%;
  }
  .i-about .about-content .left .title h1{
    font-size:32px;
    line-height:32px;
  }
  .i-about .about-content .left .content li{
    margin-top:5%;
  }
  .i-about .about-content .left .content .lt .icon{
    font-size:24px;
  }
  .i-about .about-content .left .content .rt .rt-1 span:nth-child(1){
    font-size:32px;
    line-height:32px;
  }
  .i-about .about-content .left .content .rt .rt-1 span:nth-child(2){
    font-size:20px;
  }
  .i-about .about-content .right .title{
    font-size:20px;
  }
  .i-about .about-content .right .content{
    margin:4% 0;
  }
  .i-about .about-content .right .more a{
    width:142px;
    height:42px;
  }
}
@media (max-width: 992px) {
  .i-about .about-video{
    height:48vh;
  }
  .i-about .about-content .left .title h1{
    font-size:28px;
    line-height:28px;
  }
  .i-about .about-content .left .content .lt .icon{
    font-size:20px;
  }
  .i-about .about-content .left .content .rt .rt-1 span:nth-child(1){
    font-size:28px;
    line-height:28px;
  }
  .i-about .about-content .left .content .rt .rt-1 span:nth-child(2){
    font-size:18px;
  }
}
@media (max-width: 750px) {
  .i-about .about-video{
    height:44vh;
  }
  .i-about .about-content .left .title h1{
    font-size:24px;
    line-height:24px;
  }
  .i-about .about-content .left .content .rt .rt-1 span:nth-child(1){
    font-size:24px;
    line-height:24px;
  }
  .i-about .about-content .left .content .rt .rt-1 span:nth-child(2){
    font-size:16px;
  }
  .i-about .about-content .right .title{
    font-size:18px;
  }
  .i-about .about-content .right .more a{
    width:124px;
    height:32px;
  }
}

.i-news{
  width:100%;
  padding:100px 0;
  margin-top:100px;
  background:#f9f9f9;
  overflow:hidden;
}
.i-news .news-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.i-news .news-title .left{
  color:#014099;
  font-weight:700;
  font-size:48px;
  line-height:48px;
}
.i-news .news-list{
  margin-top:50px;
}
.i-news .news-list .swiper-slide{
  padding:6px;
}
.i-news .news-list a{
  background:#fff;
  display:block;
}
.i-news .news-list a:hover{
  box-shadow: 0 0 6px rgba(0, 0, 0, .15);
}
.i-news .news-list .image{
  overflow:hidden;
}
.i-news .news-list .image img{
  width:100%;
  display:block;
  -webkit-transition: all 0.5s ease;
  transition: all 0.5s ease;
}
.i-news .news-list a:hover .image img{
  transform:scale(1.05);
}
.i-news .news-list .word{
  padding:20px;
}
.i-news .news-list .word .word-1{
  display:flex;
  align-items:center;
  color:#666;
}
.i-news .news-list .word .word-1 .icon{
  color:#014099;
  margin-right:5px;
  display:block;
}
.i-news .news-list .word .word-2{
  font-size:24px;
  line-height:24px;
  margin:10px 0;
  font-weight:500;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
  word-break: break-all;
}
.i-news .news-list .word .word-3{
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}
.i-news .news-list .word .word-4{
  border-top:1px #eee solid;
  margin-top:10px;
  padding-top:10px;
  display:flex;
  align-items:center;
}
.i-news .news-list .word .word-4 .icon{
  font-size:18px;
  color:#999;
  display:block;
  margin-left:5px;
  -webkit-transition: all 0.5s ease;
}
.i-news .news-list a:hover .word .word-4 .icon{
  color:#014099;
}
@media (max-width: 1600px) {
  .i-news .news-title .left{
    font-size:36px;
    line-height:36px;
  }
  .i-news .news-list .word .word-2{
    font-size:20px;
  }
}
@media (max-width: 992px) {
  .i-news{
    padding:10% 0;
    margin-top:10%;
  }
  .i-news .news-title{
    flex-direction:column;
    justify-content:center;
  }
  .i-news .news-title .left{
    font-size:32px;
    line-height:32px;
  }
  .i-news .news-title .right{
    margin-top:2%;
    text-align:center;
  }
  .i-news .news-list{
    margin-top:4%;
  }
  .i-news .news-list .word .word-2{
    font-size:18px;
    margin:2% 0;
  }
}
@media (max-width: 992px) {
  .i-news .news-title .left{
    font-size:28px;
    line-height:28px;
  }
}
@media (max-width: 750px) {
  .i-news .news-title .left{
    font-size:24px;
    line-height:24px;
  }
  .i-news .news-list .word .word-2{
    font-size:16px;
  }
}

.i-world{
  width:100%;
  position:relative;
  overflow:hidden;
}
.i-world .world{
  height:694px;
  background:#000;
  overflow:hidden;
}
.i-world .world video{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.i-world .content{
  width:40%;
  position:absolute;
  left:50%;
  top:50%;
  transform:translate(-50%, -50%);
  color:#fff;
  text-align:center;
}
.i-world .content .content-1{
  font-size:30px;
  line-height:30px;
  font-weight:500;
}
.i-world .content .content-2{
  font-size:60px;
  line-height:60px;
  font-weight:700;
  margin-top:30px;
}
.i-world .content .content-3{
  margin-top:40px;
}
.i-world .content .content-4{
  display:flex;
  justify-content:center;
  align-items:column;
  margin-top:50px;
}
.i-world .content .content-4 a{
  display:block;
  background:#fff;
  padding:0 20px;
  line-height:46px;
}
.i-world .content .content-4 a:hover{
  background:#014099;
  color:#fff;
}
@media (max-width: 1600px) {
  .i-world .content .content-1{
    font-size:24px;
    line-height:24px;
  }
  .i-world .content .content-2{
    font-size:50px;
    line-height:50px;
    margin-top:20px;
  }
  .i-world .content .content-3{
    margin-top:30px;
  }
  .i-world .content .content-4{
    margin-top:40px;
  }
}
@media (max-width: 992px) {
  .i-world .world{
    height:54vh;
  }
  .i-world .content{
    width:94%;
  }
  .i-world .content .content-1{
    font-size:20px;
  }
  .i-world .content .content-2{
    font-size:36px;
    line-height:36px;
    margin-top:2%;
  }
  .i-world .content .content-3{
    margin-top:3%;
  }
  .i-world .content .content-4{
    margin-top:4%;
  }
  .i-world .content .content-4 a{
    line-height:36px;
    padding:0 2%;
  }
}
@media (max-width: 992px) {
  .i-world .content .content-2{
    font-size:32px;
    line-height:32px;
  }
}
@media (max-width: 750px) {
  .i-world .world{
    height:48vh;
  }
  .i-world .content .content-1{
    font-size:16px;
  }
  .i-world .content .content-2{
    font-size:24px;
    line-height:24px;
  }
  .i-world .content .content-4 a{
    padding:0 4%;
  }
}