body {
  position: relative;
}
.test {
  height: 1500px;
}
.page_banner {
  position: relative;
  color: #fff;
  height: 400px;
  overflow: hidden;
  width: 100%;
  background-size: cover;
}
.page_banner .banner-video {
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}
.page_banner .banner-video .banner-background img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}
.page_banner .banner-video .background-video {
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  /*z-index: -1;*/
  opacity: 0.5;
}
.page_banner .breadcrumb {
  margin-top: 60px;
  padding-inline: 0;
}
@media (min-width: 1200px) {
  .page_banner .breadcrumb {
    margin-top: 88px;
  }
}
.page_banner .breadcrumb .iconfont {
  font-size: 20px;
}
.page_banner h2 {
  font-size: 32px;
  margin-bottom: 24px;
  margin-top: 20px;
}
.page_banner p {
  font-size: 16px;
  margin-bottom: 45px;
}
.page_banner .btn-default {
  font-size: 16px;
  color: #80a1ff;
  padding: 15px 40px;
}
@media screen and (min-width: 992px) {
  .page_banner {
    background-size: initial;
  }
  .page_banner h2 {
    font-size: 44px;
    margin-bottom: 40px;
    margin-top: 40px;
  }
  .page_banner p {
    font-size: 16px;
  }
  .page_banner .btn-default {
    font-size: 16px;
    color: #80a1ff;
    padding: 20px 60px;
  }
}
.sub_title {
  width: 100%;
  height: 60px;
  background: #1a1a1a;
}
.sub_title .nav {
  font-size: 0;
  line-height: 60px;
  text-align: center;
  background: #1a1a1a;
  height: 60px;
  display: flex;
  justify-content: center;
}
.sub_title .nav li {
  height: 100%;
  margin: 0 20px;
}
.sub_title .nav li a {
  display: block;
  height: 100%;
  padding: 0 20px;
  font-size: 16px;
  color: #fff;
  text-align: center;
  position: relative;
}
.sub_title .nav li a .bg {
  width: 100%;
  height: 3px;
  position: absolute;
  left: 0;
  bottom: 0;
  background: #80a1ff;
  transform-origin: center center;
  transform: scaleX(0);
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}
.sub_title .nav li a .txt {
  display: block;
  position: relative;
  z-index: 10;
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}
.sub_title .nav li a:hover .txt {
  color: #80a1ff;
}
.sub_title .nav li a:hover .bg {
  transform-origin: center center;
  transform: scaleX(1);
}
.sub_nav {
  width: 100%;
  height: 60px;
  background: #1a1a1a;
  position: -webkit-sticky;
  position: sticky;
  top: 60px;
  z-index: 1020;
}
@media (min-width: 1200px) {
  .sub_nav {
    top: 88px;
  }
}
.sub_nav .navbar-toggle {
  padding: 0;
  margin: 0;
  line-height: 60px;
}
.sub_nav .navbar-toggle .icon-moreunfold {
  display: none;
}
.sub_nav .navbar-toggle .icon-less {
  display: inline-block;
}
.sub_nav .navbar-toggle.collapsed .icon-moreunfold {
  display: inline-block;
}
.sub_nav .navbar-toggle.collapsed .icon-less {
  display: none;
}
.sub_nav .navbar-toggle .iconfont {
  font-size: 24px;
  vertical-align: middle;
}
.sub_nav .navbar-collapse .nav {
  font-size: 0;
  height: auto;
  line-height: 60px;
  text-align: center;
  display: block;
  background-color: #6a6a6a;
}
.sub_nav .navbar-collapse .nav li {
  height: 100%;
  margin: 0 20px;
}
.sub_nav .navbar-collapse .nav li a {
  display: block;
  height: 100%;
  padding: 0 20px;
  font-size: 16px;
  color: #fff;
  text-align: center;
  position: relative;
}
.sub_nav .navbar-collapse .nav li a .bg {
  width: 100%;
  height: 3px;
  position: absolute;
  left: 0;
  bottom: 0;
  background: #80a1ff;
  transform-origin: center center;
  transform: scaleX(0);
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}
.sub_nav .navbar-collapse .nav li a .txt {
  display: block;
  position: relative;
  z-index: 10;
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}
.sub_nav .navbar-collapse .nav li a:hover .txt {
  color: #80a1ff;
}
.sub_nav .navbar-collapse .nav li a:hover .bg {
  transform-origin: center center;
  transform: scaleX(1);
}
@media (min-width: 992px) {
  .sub_nav .navbar-collapse .nav {
    background: #1a1a1a;
    height: 60px;
    display: flex;
    justify-content: center;
  }
}
.page_space {
  height: 48px;
  width: 100%;
}
.page_vertical_gradient {
  display: flex;
  flex-flow: column;
  justify-content: center;
  width: 100%;
  position: relative;
}
.page_vertical_gradient.page_vertical_gradient_top {
  position: absolute;
  top: 0;
}
.page_vertical_gradient.page_vertical_gradient_bottom {
  position: absolute;
  bottom: 0;
}
.page_vertical_gradient .page_vertical_gradient_pic img {
  width: 100%;
  height: auto;
}
.page_back {
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
}
.page_back .page_back_pic img {
  height: 100%;
  object-fit: cover;
  width: 100%;
}
.page_a {
  position: relative;
  background-color: #000;
}
.page_a .page_a_con {
  display: flex;
  justify-content: center;
  text-align: center;
}
.page_a .page_a_con h2 {
  padding-bottom: 14px;
}
.page_a .page_a_video .row {
  width: 100%;
  display: flex;
  justify-content: center;
}
.page_a .page_a_video .row video {
  width: 100%;
}
.page_a .page_con {
  width: auto;
  word-wrap: break-word;
  white-space: normal;
}
.page_a .page_con [class*="col-"] {
  margin: 0 auto;
  float: none;
}
.page_a .page_con h1,
.page_a .page_con h2 {
  padding-bottom: 14px;
}
.page_a .page_con h3,
.page_a .page_con h4 {
  padding-bottom: 10px;
}
.page_a .page_con img {
  max-width: 100%;
}
.page_a .page_con video {
  max-width: 100%;
}
@media (min-width: 992px) {
  .page_a .page_con {
    width: 80%;
    margin: 0 auto;
  }
}
.page_b {
  background-color: #000;
}
.page_b .page_b_con {
  display: block;
}
.page_b .page_b_con .nav-tabs {
  border: none;
  border-bottom: 1px solid #fff;
}
.page_b .page_b_con .nav-tabs li {
  width: auto;
  float: left;
  display: block;
  height: 50px;
  line-height: 50px;
}
.page_b .page_b_con .nav-tabs li a {
  border: none;
  display: block;
  height: 48px;
}
.page_b .page_b_con .nav-tabs li a::after {
  content: '';
  position: absolute;
  height: 3px;
  width: 100%;
  background-color: #fff;
  right: 0;
  bottom: 0;
  transform-origin: center center;
  transform: scaleX(0);
  transition: transform 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}
.page_b .page_b_con .nav-tabs li a:hover {
  border: none;
}
.page_b .page_b_con .nav-tabs li a:hover::after {
  transform-origin: center center;
  transform: scaleX(1);
}
.page_b .page_b_con .nav-tabs li.active a {
  color: #80a1ff;
}
.page_b .page_b_con .nav-tabs li.active a::after {
  transform-origin: center center;
  transform: scaleX(1);
}
.page_b .page_b_con .tab-content {
  padding: 25px 25px;
}
.page_b .page_b_con .tab-content .page_b_top h5 {
  font-size: 24px;
  padding-bottom: 10px;
}
.page_b .page_b_con .tab-content .page_b_img img {
  width: 100%;
}
@media (min-width: 992px) {
  .page_b .page_b_con {
    display: flex;
    justify-content: space-between;
  }
  .page_b .page_b_con .nav-tabs {
    flex-basis: 25%;
    flex-shrink: 0;
    flex-grow: 0;
    border: none;
    border-right: 1px solid #fff;
    padding-left: 20px;
  }
  .page_b .page_b_con .nav-tabs li {
    width: 100%;
    float: none;
  }
  .page_b .page_b_con .nav-tabs li a::after {
    height: 100%;
    width: 3px;
    top: 0;
    transform: scaleY(0);
  }
  .page_b .page_b_con .nav-tabs li a:hover::after {
    transform: scaleY(1);
  }
  .page_b .page_b_con .nav-tabs li.active a::after {
    transform: scaleY(1);
  }
  .page_b .page_b_con .tab-content {
    padding: 5px 50px;
  }
}
.page_c {
  background-color: #000;
}
.page_c .page_c_con {
  overflow: hidden;
}
.page_c .page_c_con .swiper-wrapper .swiper-slide {
  height: 100%;
  display: block;
}
.page_c .page_c_con .swiper-wrapper .swiper-slide .page_c_img {
  width: 100%;
  padding: 0 15px 15px;
}
.page_c .page_c_con .swiper-wrapper .swiper-slide .page_c_img img {
  width: 100%;
}
.page_c .page_c_con .swiper-wrapper .swiper-slide .page_c_txt {
  padding: 0 25px;
}
.page_c .page_c_con .swiper-wrapper .swiper-slide .page_c_txt figure {
  font-size: 24px;
  border-left: 5px solid #80a1ff;
  padding-bottom: 10px;
  padding-left: 20px;
}
.page_c .page_c_con .swiper-wrapper .swiper-slide .page_c_txt figcaption {
  font-size: 16px;
  padding-left: 20px;
  color: #9d9fa2;
}
.page_c .page_c_con .swiper-pagination {
  position: relative;
  bottom: 0;
  display: flex;
  justify-content: center;
  margin-top: 30px;
}
.page_c .page_c_con .swiper-pagination .swiper-pagination-bullet {
  background-color: #fff;
  width: 12px;
  height: 12px;
  opacity: 0.8;
  margin: 0 5px;
}
.page_c .page_c_con .swiper-pagination .swiper-pagination-bullet-active {
  background-color: #80a1ff;
}
@media (min-width: 768px) {
  .page_c .page_c_con {
    overflow: hidden;
  }
  .page_c .page_c_con .swiper-wrapper .swiper-slide {
    display: flex;
    justify-content: space-between;
  }
  .page_c .page_c_con .swiper-wrapper .swiper-slide .page_c_img {
    width: 33.33333333%;
    padding: 0 15px;
    flex-shrink: 0;
    flex-grow: 0;
  }
}
.page_d {
  background-color: #000;
}
.page_d .page_d_con .page_d_col {
  margin-bottom: 48px;
}
.page_d .page_d_con .page_d_col img {
  display: block;
  width: 90%;
  margin: 0 auto 24px;
}
@media (min-width: 992px) {
  .page_d .page_d_con .page_d_col img {
    width: 100%;
  }
}
.page_d .page_d_con .page_d_col h4 {
  font-size: 22px;
  margin-bottom: 15px;
  margin-top: 0;
}
.page_d .page_d_con .page_d_col p {
  font-size: 16px;
  margin-bottom: 15px;
}
.page_e {
  background-color: #000;
}
.page_e .page_e_con .page_e_col {
  margin-bottom: 48px;
}
.page_e .page_e_con .page_e_col img {
  display: block;
  width: 90%;
  margin: 0 auto 24px;
}
@media (min-width: 992px) {
  .page_e .page_e_con .page_e_col img {
    width: 100%;
  }
}
.page_e .page_e_con .page_e_col h4 {
  font-size: 22px;
  margin-bottom: 15px;
  margin-top: 0;
}
.page_e .page_e_con .page_e_col p {
  font-size: 16px;
  margin-bottom: 15px;
  word-break: break-all;
}
.page_e .page_e_con .page_e_col i {
  text-style: normal;
  font-size: 14px;
  color: #e6e6e6;
}
.page_f {
  position: relative;
  height: 650px;
  margin-top: 48px;
  background-color: #000;
}
.page_f .page_back .page_back_pic img {
  object-fit: cover;
}
.page_f .page_f_con {
  text-align: center;
  margin: 0 auto;
  width: 90%;
  padding: 150px 0;
}
.page_f .page_f_con h2 {
  font-size: 32px;
  margin-bottom: 24px;
}
.page_f .page_f_con p {
  font-size: 16px;
  margin-bottom: 45px;
}
.page_f .page_f_con .btn-default {
  font-size: 16px;
  padding: 15px 40px;
  background-color: transparent;
  border: 1px solid #9e9e9e;
  color: #fff;
  margin-top: 10px;
}
.page_f .page_f_con .btn-default:hover {
  color: #fff;
  border: 1px solid #fff;
}
@media (min-width: 992px) {
  .page_f {
    height: 760px;
  }
  .page_f .page_back .page_back_pic img {
    object-fit: cover;
  }
  .page_f .page_f_con {
    width: 50%;
    padding: 200px 0;
  }
}
@media (min-width: 1919px) {
  .page_f .page_back .page_back_pic img {
    object-fit: contain;
  }
  .page_f .page_f_con {
    width: 40%;
  }
}
.page_g .page_back {
  height: 100%;
  left: 0;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: -1;
}
.page_g .page_back .page_back_pic img {
  object-position: top;
  left: 0;
  position: fixed;
  top: 0;
  height: 100%;
  object-fit: cover;
  width: 100%;
  z-index: -1;
}
.page_g .page_g_con {
  width: 80%;
  text-align: center;
  margin: 0 auto 0;
  padding: 80px 0;
}
.page_g .page_g_con h2 {
  font-size: 32px;
  margin-bottom: 24px;
}
.page_g .page_g_con p {
  font-size: 16px;
  margin-bottom: 45px;
}
.page_g .page_g_con .btn-default {
  font-size: 16px;
  padding: 15px 40px;
  background-color: transparent;
  border: 1px solid #9e9e9e;
  color: #fff;
  margin-top: 10px;
}
.page_g .page_g_con .btn-default:hover {
  color: #fff;
  border: 1px solid #fff;
}
@media (min-width: 992px) {
  .page_g .page_g_con {
    width: 50%;
    padding: 100px 0;
  }
}
@media (min-width: 1200px) {
  .page_g .page_g_con {
    width: 40%;
  }
}
.grid:before,
.grid:after {
  content: " ";
  display: table;
}
.grid:after {
  clear: both;
}
.grid .grid-item {
  padding: 15px 10px;
}
.grid .grid-item .grid-item-content .grid-top {
  overflow: hidden;
  margin: 0 auto 24px;
}
.grid .grid-item .grid-item-content .grid-top img {
  display: block;
  width: 100%;
}
.grid .grid-item .grid-item-content .grid-con {
  padding: 0 15px;
}
.grid .grid-item .grid-item-content .grid-con h4 {
  font-size: 22px;
  margin-bottom: 15px;
  margin-top: 0;
}
.grid .grid-item .grid-item-content .grid-con p {
  font-size: 16px;
  margin-bottom: 15px;
}
.grid .grid-item .grid-item-content .grid-con i {
  text-style: normal;
  font-size: 14px;
  color: #e6e6e6;
}
@media (min-width: 768px) {
  .grid .grid-item .grid-item-content.grid-item-list .grid-top {
    height: 290px;
  }
}
@media (min-width: 992px) {
  .grid .grid-item .grid-item-content.grid-item-list .grid-top {
    height: 290px;
  }
}
.grid .grid-item .grid-item-content.grid-item-list .grid-top img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
.grid .grid-item .grid-item-content.grid-item-list .grid-con {
  padding: 0 15px;
}
.grid .grid-item .grid-item-content.grid-item-list .grid-con h4 {
  height: 24px;
  font-size: 22px;
  margin-bottom: 15px;
  margin-top: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.grid .grid-item .grid-item-content.grid-item-list .grid-con p {
  height: 85px;
  font-size: 16px;
  margin-bottom: 15px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}
.grid .grid-item .grid-item-content.grid-item-list .grid-con i {
  height: 18px;
  text-style: normal;
  font-size: 14px;
  color: #e6e6e6;
}
.grid-more {
  text-align: center;
}
.grid-more button {
  font-size: 16px;
  color: #80a1ff;
  padding: 20px 60px;
}
.grid-more p {
  display: none;
  font-size: 20px;
  color: #fff;
  padding: 20px 60px;
}
.icon-rotate {
  position: relative;
  display: inline-block;
  font-size: 20px;
}
.icon-rotate:before {
  display: inline-block;
  margin-right: 10px;
  animation-name: rotate;
  animation-duration: 2s;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}
@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(360deg);
  }
}