/*body {
  padding-top: 100vh;
}
.fixed-box {
  position: fixed!important;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 100vh;
}*/
/*.fixed-body {
  position: relative;
  z-index: 9;
  background: #fff;
}*/
a.public-more {
  color: #465d49;
  font-size: 16px;
  display: inline-block;
}
a.public-more span {
  margin-right: 5px;
  padding-bottom: 5px;
  display: inline-block;
  position: relative;
}
a.public-more span:before {
  width: 0px;
  position: absolute;
  content: '';
  left: 0;
  height: 1px;
  bottom: 0;
  background-color: #465d49;
  transition: all .3s;
}
a.public-more:hover span:before {
  width: 100%;
}
.session_1 .banner-box {
  height: auto;
  position: relative;
}
.session_1 .banner-box .item-box {
  height: 100vh;
  background-size: cover;
  background-position: center center;
}
.session_1 .banner-box .item-box .block {
  height: 100vh;
  position: relative;
}
.session_1 .banner-box .item-box .txt-box {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  text-align: left;
  width: 670px;
}
.session_1 .banner-box .item-box .txt-box h3 {
  color: #fff;
  font-size: 50px;
}
.session_1 .banner-box .item-box .txt-box h4 {
  color: #fff;
  font-size: 54px;
  margin-bottom: 20px;
}
.session_1 .banner-box .item-box .txt-box p {
  font-size: 28px;
  color: rgba(255, 255, 255, 0.7);
}
.session_1 .banner-box .item-box .txt-box a.public-more {
  color: #fff;
  margin-top: 29px;
}
.session_1 .banner-box .item-box .txt-box a.public-more span:before {
  background-color: #fff;
}
.session_1 .swiper-pagination {
  left: 0;
  right: 0;
  bottom: 20px;
}
.session_1 .swiper-pagination .swiper-pagination-bullet {
  width: 6px;
  height: 6px;
  background: #fff;
  opacity: 1;
  margin-left: 8px;
  margin-right: 8px;
  outline: none;
}
.session_1 .swiper-pagination .swiper-pagination-bullet-active {
  position: relative;
  box-sizing: border-box;
}
.session_1 .swiper-pagination .swiper-pagination-bullet-active:before {
  position: absolute;
  content: '';
  top: -3px;
  left: -3px;
  width: 10px;
  height: 10px;
  border-radius: 100%;
  border: 1px solid #fff;
}
.session_1 img {
  width: 100%;
}
.session_1 .swiper-button-next {
  display: none;
  right: 120px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M27%2C22L27%2C22L5%2C44l-2.1-2.1L22.8%2C22L2.9%2C2.1L5%2C0L27%2C22L27%2C22z'%20fill%3D'%23ffffff'%2F%3E%3C%2Fsvg%3E");
}
.session_1 .swiper-button-prev {
  display: none;
  left: 120px;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2027%2044'%3E%3Cpath%20d%3D'M0%2C22L22%2C0l2.1%2C2.1L4.2%2C22l19.9%2C19.9L22%2C44L0%2C22L0%2C22L0%2C22z'%20fill%3D'%23ffffff'%2F%3E%3C%2Fsvg%3E");
}
.session_1 .swiper-button-next,
.session_1 .swiper-button-prev {
  outline: none;
  border: 1px solid rgba(255, 255, 255, 0.4);
  width: 40px;
  height: 100px;
  margin-top: -50px;
  background-position: center center;
  background-size: 12px auto;
}
.session_1 .swiper-button-next:hover,
.session_1 .swiper-button-prev:hover {
  background-color: rgba(70, 93, 73, 0.8);
  border-color: rgba(70, 93, 73, 0.8);
}
.session_2 {
  position: relative;
  height: 900px;
  background-size: cover;
  background-image: url(../images/img_1.jpg);
}
.session_2 .txt-box {
  position: absolute;
  left: 50%;
  top: 220px;
  transform: translateX(-50%);
}
.session_2 .txt-box h3 {
  color: #555555;
  font-size: 56px;
}
.session_2 .txt-box h4 {
  color: #555555;
  font-size: 32px;
  line-height: 1.8;
}
.session_2 .txt-box p {
  font-size: 16px;
  color: #555555;
  line-height: 1.8;
}
.session_2 .txt-box a.public-more {
  margin-top: 20px;
}
.session_3 {
  position: relative;
  padding-top: 80px;
  padding-bottom: 255px;
}
.session_3 .top-box {
  position: relative;
  overflow: hidden;
  width: 750px;
  height: 337px;
  margin: 0 auto;
}
.session_3 .txt {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: url(../images/icon_2.png) center center no-repeat;
}
.session_3 .bg{
  position:fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: url(../images/banner.jpg) center center no-repeat;
  background-size:100% 100%;
  /*后面改*/
  background-attachment:fixed;
  /*background-position:100% 100%;*/
 /* animation: mysecond 2s 0s linear infinite alternate;*/ /*后面改*/
}
.session_3 .info-box {
  text-align: center;
}
.session_3 .info-box h3 {
  font-size: 40px;
  color: #505050;
}
.session_3 .info-box h4 {
  font-weight: 400;
  font-size: 32px;
  color: rgba(80, 80, 80, 0.3);
}
.session_3 .info-box .bottom-box {
  color: #465d49;
  margin-top: 80px;
}
.session_3 .info-box .bottom-box .public-more {
  margin-right: 10px;
}
.session_3 .bg-box {
  position: absolute;
  bottom: 0;
  left: 8%;
  color: rgba(30, 30, 30, 0.06);
  font-size: 120px;
  line-height: 1;
  font-weight: 700;
  font-family: 'Arial Black';
}
.session_4 {
  position: relative;
  background-color: #121212;
  padding-top: 180px;
  padding-bottom: 180px;
}
.session_4 .bg-box {
  position: absolute;
  bottom: 0;
  left: 8%;
  color: rgba(255, 255, 255, 0.06);
  font-size: 120px;
  line-height: 1;
  font-weight: 700;
  font-family: 'Arial Black';
}
.session_4 .swiper-button-white {
  bottom: 185px;
  top: auto;
  background-size: 14px auto;
  outline: none;
}
.session_4 .centent-box {
  position: relative;
  padding-left: 70px;
}
.session_4 .centent-box:before {
  position: absolute;
  content: '';
  left: 70px;
  right: 70px;
  height: 1px;
  bottom: 25px;
  background-color: rgba(255, 255, 255, 0.4);
}
.session_4 .swiper-container {
  padding-bottom: 25px;
}
.session_4 .item-box {
  cursor: pointer;
}
.session_4 .item-box .img-box {
  position: relative;
  overflow: hidden;
}
.session_4 .item-box .img-box > img {
  width: 100%;
  filter: grayscale(100%);
  filter: gray;
  transition: all .3s;
}
.session_4 .item-box .img-box .icon-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.session_4 .item-box .img-box .icon-box img {
  position: relative;
}
.session_4 .item-box .img-box .icon-box:before {
  position: absolute;
  content: '';
  width: 76px;
  height: 76px;
  left: 50%;
  top: 50%;
  margin-left: -38px;
  margin-top: -38px;
  border: 2px solid #fff;
  border-radius: 100%;
  box-sizing: border-box;
  transform: scale3d(0.3, 0.3, 1);
  transition: .5s all;
}
.session_4 .item-box .img-box .icon-box:after {
  position: absolute;
  content: '';
  width: 90px;
  height: 90px;
  left: 50%;
  top: 50%;
  margin-left: -45px;
  margin-top: -45px;
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 100%;
  box-sizing: border-box;
  transform: scale3d(0.3, 0.3, 1);
  transition: .8s all;
}
.session_4 .item-box .txt-box {
  line-height: 75px;
  text-align: center;
  padding-bottom: 40px;
  color: #fff;
  position: relative;
}
.session_4 .item-box .txt-box:before {
  position: absolute;
  content: '';
  width: 1px;
  height: 0px;
  background-color: #fff;
  bottom: 25px;
  transition: all .3s;
}
.session_4 .item-box .txt-box span {
  position: absolute;
  background-color: #121212;
  width: 70px;
  height: 30px;
  left: 50%;
  margin-left: -35px;
  bottom: -15px;
}
.session_4 .item-box .txt-box span em {
  display: inline-block;
  width: 26px;
  height: 26px;
  border-radius: 100%;
  vertical-align: top;
  position: relative;
}
.session_4 .item-box .txt-box span em:before {
  position: absolute;
  content: '';
  width: 6px;
  height: 6px;
  background-color: #fff;
  top: 50%;
  left: 50%;
  margin-top: -3px;
  margin-left: -3px;
  border-radius: 100%;
}
.session_4 .item-box:hover .img-box > img {
  filter: grayscale(0);
  filter: none;
  transform: scale3d(1.05, 1.05, 1);
}
.session_4 .item-box:hover .img-box .icon-box:after,
.session_4 .item-box:hover .img-box .icon-box:before {
  transform: scale3d(1, 1, 1);
}
.session_4 .item-box:hover .txt-box:before {
  height: 30px;
}
.session_4 .item-box:hover .txt-box span em {
  border: 1px solid #fff;
}
.session_5 {
  position: relative;
  padding-top: 160px;
  padding-bottom: 200px;
}
.session_5 .centent-box {
  position: relative;
}
.session_5 .centent-box .swiper-button-next {
  right: -45px;
}
.session_5 .centent-box .swiper-button-prev {
  left: -45px;
}
.session_5 .centent-box .swiper-button-black {
  background-size: 20px auto;
  outline: none;
}
.session_5 .bg-box {
  position: absolute;
  bottom: 0;
  left: 8%;
  color: rgba(30, 30, 30, 0.06);
  font-size: 120px;
  line-height: 1;
  font-weight: 700;
  font-family: 'Arial Black';
}
.session_5 .item-box .txt-box {
  margin-bottom: 40px;
  min-height: 95px;
}
.session_5 .item-box .txt-box h3 {
  font-size: 18px;
  font-weight: 400;
  color: #3b3b3b;
  margin-bottom: 20px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.session_5 .item-box .txt-box p {
  font-size: 14px;
  color: #646464;
  line-height: 1.8;
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.session_5 .item-box .img-box {
  overflow: hidden;
}
.session_5 .item-box .img-box img {
  width: 100%;
  transition: all .3s;
}
.session_5 .item-box .time-box {
  margin-top: 30px;
  font-size: 24px;
  color: #4f4f4f;
  transition: all .3s;
}
.session_5 .item-box .time-box span {
  font-size: 14px;
  color: #4f4f4f;
  margin-left: 10px;
}
.session_5 .item-box:hover .img-box img {
  transform: scale3d(1.1, 1.1, 1);
}
.session_5 .item-box:hover .time-box {
  color: #1e2e53;
  margin-left: 10px;
}
.video-pop {
  display: none;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999999999;
}
.video-pop .pop-bg {
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  cursor: pointer;
}
.video-pop .video-box {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 9;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
.video-pop .video-box video {
  outline: none;
  width: 750px;
  height: auto;
}
@keyframes mysecond {
  0% {
    transform: scale(0.8);
  }
  100% {
    transform: scale(1.2);
  }
}
/*# sourceMappingURL=index.css.map */