.mynav {
  position: fixed;
  top: 0;
  z-index: 1000;
  width: 100%;
  height: 9.5rem;
  background: rgba(42, 138, 156, 0.3);
  border: 1px solid;
  border-image: linear-gradient(90deg, rgba(255, 255, 255, 0), #ffffff, #ffffff, rgba(255, 255, 255, 0)) 1 1;
  padding: 1.625rem 6.25rem 0.8125rem;
  box-sizing: border-box;
}
.mynav.filter {
  backdrop-filter: blur(8px);
}
.mynav .top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 1.75rem;
}
.mynav .top .img {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 24.6875rem;
  height: auto;
  cursor: pointer;
}
.mynav .top .img img {
  width: 100%;
  transition: all 0.5s;
}
.mynav .top .img:hover img {
  transform: scale(1.05);
}
.mynav .top .rightBtn {
  display: flex;
}
.mynav .top .rightBtn .button {
  position: relative;
  z-index: 1;
  cursor: pointer;
  width: 12.25rem;
  height: 2.75rem;
  border-radius: 22px 22px 22px 22px;
  border: 1px solid #226f7d;
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 1.25rem;
  color: #226f7d;
  line-height: 2.625rem;
  text-align: center;
  margin-left: 1.625rem;
}
.mynav .top .rightBtn .button.active img {
  display: block;
  animation: myMapShow 1s ease-in-out forwards;
}
.mynav .top .rightBtn .button img {
  position: absolute;
  left: 50%;
  bottom: -6.875rem;
  transform: translateX(-50%);
  width: 7rem;
  height: 7rem;
  opacity: 0;
  display: none;
}
@keyframes myMapShow {
  0% {
    opacity: 0;
    bottom: -6.875rem;
  }
  100% {
    opacity: 1;
    bottom: -7.5rem;
  }
}
.mynav .navList {
  display: flex;
  justify-content: center;
}
.mynav .navList .navItem {
  position: relative;
  cursor: pointer;
  margin-right: 6.25rem;
  padding-bottom: 1.875rem;
}
.mynav .navList .navItem:last-child {
  margin-right: 0;
}
.mynav .navList .navItem.active .navdt {
  color: #ffffff;
}
.mynav .navList .navItem.active .navdt::before {
  display: block;
}
.mynav .navList .navItem:hover {
  color: #ffffff;
}
.mynav .navList .navItem:hover .navdt {
  color: #ffffff;
}
.mynav .navList .navItem:hover .navdt::before {
  display: block;
}
.mynav .navList .navItem:hover .subNavList {
  display: flex;
}
.mynav .navList .navItem .navdt {
  display: block;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5rem;
  text-align: center;
}
.mynav .navList .navItem .navdt::before {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 5rem;
  min-height: 1.1875rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/active.png) no-repeat center / 100% 100%;
  display: none;
}
.mynav .navList .navItem .subNavList {
  position: absolute;
  top: 3.25rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: max-content;
  background: rgba(42, 138, 156, 0.3);
  border-radius: 0px;
  padding: 10px;
  display: none;
}
.mynav .navList .navItem .subNavList .subNavItem {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-weight: 500;
  font-size: 1.25rem;
  color: #ffffff;
  line-height: 1.75rem;
  text-align: center;
  cursor: pointer;
  margin: 5px 0;
}
.mynav .navList .navItem .subNavList .subNavItem:hover {
  color: #226f7d;
}
.mynav .m_nav {
  display: none;
}
.mynav .m_nav.open_mark::before {
  display: block;
}
.mynav .m_nav::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0px;
  width: 100%;
  height: 100vh;
  display: none;
  background-color: rgba(42, 138, 156, 0.9);
}
.mynav .m_nav .m_nav_top {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* From Uiverse.io by Cevorob */
}
.mynav .m_nav .m_nav_top img {
  width: 65%;
}
.mynav .m_nav .m_nav_top .burger {
  position: relative;
  width: 30px;
  height: 20px;
  background: transparent;
  cursor: pointer;
  display: block;
}
.mynav .m_nav .m_nav_top .burger input {
  display: none;
}
.mynav .m_nav .m_nav_top .burger span {
  display: block;
  position: absolute;
  height: 4px;
  width: 100%;
  background: #fff;
  border-radius: 9px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: 0.25s ease-in-out;
}
.mynav .m_nav .m_nav_top .burger span:nth-of-type(1) {
  top: 0px;
  transform-origin: left center;
}
.mynav .m_nav .m_nav_top .burger span:nth-of-type(2) {
  top: 50%;
  transform: translateY(-50%);
  transform-origin: left center;
}
.mynav .m_nav .m_nav_top .burger span:nth-of-type(3) {
  top: 100%;
  transform-origin: left center;
  transform: translateY(-100%);
}
.mynav .m_nav .m_nav_top .burger input:checked ~ span:nth-of-type(1) {
  transform: rotate(45deg);
  top: 0px;
  left: 5px;
}
.mynav .m_nav .m_nav_top .burger input:checked ~ span:nth-of-type(2) {
  width: 0%;
  opacity: 0;
}
.mynav .m_nav .m_nav_top .burger input:checked ~ span:nth-of-type(3) {
  transform: rotate(-45deg);
  top: 20px;
  left: 5px;
}
.mynav .m_nav .m_nav_list {
  position: absolute;
  top: 44px;
  left: 0;
  right: 0;
  background-color: rgba(42, 138, 156, 0.9);
  padding: 0 20px;
  max-height: calc(100vh - 45px);
  overflow-y: auto;
  display: none;
}
.mynav .m_nav .m_nav_list .n_nav_item {
  width: 100%;
}
.mynav .m_nav .m_nav_list .n_nav_item:first-child .m_nav_link_wrap::after,
.mynav .m_nav .m_nav_list .n_nav_item:last-child .m_nav_link_wrap::after {
  display: none;
}
.mynav .m_nav .m_nav_list .n_nav_item.show_child .m_nav_link_wrap::after {
  transform: rotate(225deg);
}
.mynav .m_nav .m_nav_list .n_nav_item .m_nav_link_wrap {
  position: relative;
  height: 60px;
  line-height: 60px;
  padding: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  color: #fff;
  border-bottom: 1px solid rgba(243, 237, 224, 0.5);
}
.mynav .m_nav .m_nav_list .n_nav_item .m_nav_link_wrap::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 15px;
  margin-top: -5px;
  width: 10px;
  height: 10px;
  border-width: 0px 2px 2px 0px;
  border-style: solid;
  border-color: rgba(243, 237, 224, 0.5);
  -webkit-transform: rotate(45deg);
  -moz-transform: rotate(45deg);
  -ms-transform: rotate(45deg);
  -o-transform: rotate(45deg);
  transform: rotate(45deg);
  -webkit-transition: transform 0.3s;
  -moz-transition: transform 0.3s;
  -o-transition: transform 0.3s;
  transition: transform 0.3s;
}
.mynav .m_nav .m_nav_list .n_nav_item .m_nav_dropdown {
  display: none;
  padding-left: 15px;
}
.mynav .m_nav .m_nav_list .n_nav_item .m_nav_dropdown a {
  display: block;
  width: 100%;
  height: 60px;
  line-height: 60px;
  padding: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  color: #fff;
  border-bottom: 1px solid rgba(243, 237, 224, 0.5);
}
.backtop {
  position: fixed;
  right: 0;
  bottom: 150px;
  z-index: 99;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 6.25rem;
  height: 6.25rem;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.5rem;
  color: #ffffff;
  line-height: 1.5rem;
  text-shadow: 0px 2px 4px #1b3429;
  text-align: center;
  font-style: normal;
  text-transform: none;
  padding: 0 0.9375rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/backtop.png) no-repeat center / 100% 100%;
  cursor: pointer;
  opacity: 0.6;
  display: none;
}
.backtop:hover {
  opacity: 1;
  transition: opacity 0.3s;
}
.banner {
  width: 100%;
}
.banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.banner .text {
  position: absolute;
  top: 24.5rem;
  left: 12.5rem;
  z-index: 2;
}
.banner .text .h1 {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-weight: bold;
  font-size: 4.375rem;
  color: #2e5042;
  line-height: 4.375rem;
  text-shadow: 0px 4px 8px #6ea28d;
  text-align: left;
  font-style: normal;
  text-transform: none;
  margin-bottom: 2.375rem;
}
.banner .text .desc {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-weight: bold;
  font-size: 1.75rem;
  color: #416757;
  line-height: 1.875rem;
  margin-bottom: 6.25rem;
}
.banner .text .btn {
  width: 12.0625rem;
  height: 3.75rem;
  border-radius: 6px;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.75rem;
  color: #416757;
  line-height: 3.75rem;
  text-align: center;
  font-style: normal;
  text-transform: none;
  border: 1px solid #416757;
  cursor: pointer;
}
.banner .page {
  position: absolute;
  left: 12.5rem;
  bottom: 10.0625rem;
  z-index: 1;
  display: flex;
}
.banner .page .prev,
.banner .page .next {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}
.banner .page .prev img,
.banner .page .next img {
  width: 2.875rem;
}
.banner .page .prev span,
.banner .page .next span {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.25rem;
  color: #224033;
  line-height: 1.75rem;
}
.banner .page .center {
  display: flex;
  padding: 0 1.8125rem;
}
.banner .page .center span {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 2rem;
  color: #224033;
  line-height: 1.75rem;
}
.banner .page .center span:last-child {
  font-size: 1.5rem;
  padding-top: 5px;
}
.about {
  position: relative;
  z-index: 5;
  height: 59rem;
  padding-top: 1.625rem;
  padding-bottom: 1.625rem;
}
.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/section.png) no-repeat;
  background-size: cover;
}
.about .notics {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.875rem;
  background: rgba(87, 160, 174, 0.54);
  border-radius: 10px 10px 10px 10px;
  border: 1px solid #ffffff;
  padding: 0 2.25rem;
  margin-bottom: 6.375rem;
}
.about .notics .left {
  display: flex;
  align-items: center;
  flex: 1;
}
.about .notics .left .title {
  flex: none;
  max-width: 50%;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.75rem;
  color: #ffffff;
  line-height: 1.75rem;
}
.about .notics .left .text {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.25rem;
  color: #ffffff;
  line-height: 1.75rem;
}
.about .notics .time {
  flex: none;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.25rem;
  color: #ffffff;
  line-height: 1.75rem;
  margin-left: 2.5rem;
}
.about .htitle {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 3.125rem;
  color: #ebdaa8;
  line-height: 3.125rem;
  letter-spacing: 5px;
  text-align: center;
  margin-bottom: 1.75rem;
}
.about .htitle::before {
  content: '';
  width: 4.375rem;
  height: 2.3125rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/home1.png) no-repeat;
  background-size: cover;
  margin-right: 1.125rem;
}
.about .htitle::after {
  content: '';
  width: 4.375rem;
  height: 2.3125rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/home2.png) no-repeat;
  background-size: cover;
  margin-left: 1.125rem;
}
.about .htext {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.75rem;
  color: #ffffff;
  line-height: 1.75rem;
  text-align: center;
  margin-bottom: 2.875rem;
}
.about .mtitle {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 2rem;
  color: #ffffff;
  line-height: 2rem;
  text-align: center;
  margin-bottom: 3.5rem;
}
.about .desc {
  margin-bottom: 4.6875rem;
}
.about .desc p {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.25rem;
  color: #ffffff;
  line-height: 2.25rem;
  text-align: left;
  font-style: normal;
  text-transform: none;
  text-indent: 2em;
}
.about .moreBtn {
  display: block;
  width: 13.25rem;
  height: 3.75rem;
  margin: 0 auto;
}
.about .moreBtn:hover div {
  transform: translateY(-4px);
  filter: drop-shadow(0px 5px 10px rgba(255, 255, 255, 0.5));
  transition: all 0.5s;
}
.about .moreBtn div {
  width: 100%;
  height: 100%;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.75rem;
  color: #613a15;
  line-height: 3.75rem;
  text-align: center;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/btn_bgc.png) no-repeat center / 100% 100%;
  cursor: pointer;
  transition: all 0.5s;
}
.browsing {
  position: relative;
  z-index: 4;
  height: 76.5625rem;
  margin-top: -6.875rem;
  padding-top: 10.8125rem;
}
.browsing::before {
  content: '';
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/section1.png) no-repeat;
  background-size: cover;
}
.browsing.culture .list {
  margin-top: 0;
  transform: scale(1);
  transition: all 1.5s ease-out 0s;
}
.browsing.current .reel {
  opacity: 1;
  transition: all 1s ease-in 1s, height 1s ease-in 1.5s, opacity 1s linear 1.5s;
  overflow: visible;
}
.browsing .titles {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-weight: bold;
  font-size: 3.125rem;
  color: #2e5042;
  line-height: 3.125rem;
  letter-spacing: 5px;
  margin-bottom: 1.75rem;
}
.browsing .titles::before {
  content: '';
  width: 4.375rem;
  height: 2.3125rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/home3.png) no-repeat;
  background-size: cover;
  margin-right: 1.125rem;
}
.browsing .titles::after {
  content: '';
  width: 4.375rem;
  height: 2.3125rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/home4.png) no-repeat;
  background-size: cover;
  margin-left: 1.125rem;
}
.browsing .desc {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.75rem;
  color: #1d2129;
  line-height: 1.75rem;
  text-align: center;
  font-style: normal;
  text-transform: none;
}
.browsing .reel {
  overflow: hidden;
  width: 100%;
  opacity: 1;
}
.browsing .content_wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 0;
  height: 34.25rem;
  overflow: hidden;
  padding: 0 4.1875rem;
  margin: 0 auto;
  transform: translate(0, 0);
  transition: width 0.5s ease-out, transform 1s ease-in 1.5s;
}
.browsing .content_wrap.open {
  width: 100%;
  transition: width 1.7s;
}
.browsing .content_wrap.open .content .textbox {
  transform: translate(-49.9%, -50%);
  opacity: 1;
  transition: all 1s ease-in 0.1s;
}
.browsing .content_wrap .content {
  position: relative;
  z-index: 1;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/jzbgc.png) repeat center left;
  background-size: 100% 100%;
  width: 86.625rem;
  height: 26.375rem;
  overflow: hidden;
}
.browsing .content_wrap .content img {
  position: absolute;
  z-index: -1;
  left: 50%;
  top: 50%;
  transform: translate(-49.9%, -50%);
  width: 84.9375rem;
  height: 23.5rem;
}
.browsing .content_wrap .content .textbox {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-49.9%, -35%);
  width: 84.9375rem;
  opacity: 0;
  transition: all 0.1s ease-in-out 0.4s;
}
.browsing .content_wrap .content h2 {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-weight: bold;
  font-size: 2.5rem;
  color: #ffffff;
  line-height: 2.5rem;
  letter-spacing: 4px;
  text-align: center;
  margin-bottom: 1.75rem;
}
.browsing .content_wrap .content .time {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.5rem;
  color: #ffffff;
  line-height: 1.75rem;
  text-align: center;
  margin-bottom: 0.75rem;
}
.browsing .content_wrap .content .desc {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.5rem;
  color: #ffffff;
  line-height: 1.75rem;
  text-align: center;
  margin-bottom: 3.6875rem;
}
.browsing .content_wrap .content .moreBtn {
  display: block;
  width: 13.25rem;
  height: 3.75rem;
  margin: 0 auto;
}
.browsing .content_wrap .content .moreBtn:hover div {
  transform: translateY(-4px);
  filter: drop-shadow(0px 5px 10px rgba(255, 255, 255, 0.5));
  transition: all 0.5s;
}
.browsing .content_wrap .content .moreBtn div {
  width: 100%;
  height: 100%;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.75rem;
  color: #613a15;
  line-height: 3.75rem;
  text-align: center;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/btn_bgc.png) no-repeat center / 100% 100%;
  cursor: pointer;
  transition: all 0.5s;
}
.browsing .content_wrap .border {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 10;
  width: 4.1875rem;
  border-radius: 5px;
  overflow: hidden;
  transition: all 0.5s;
}
.browsing .content_wrap .border.left {
  left: 0;
}
.browsing .content_wrap .border.right {
  right: 0;
}
.browsing .list {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  position: relative;
  padding: 0 7.6875rem;
  transition: all 0s linear 1s;
}
.browsing .list .item_wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: all 1s ease-in 0.5s;
  cursor: pointer;
}
.browsing .list .item_wrap:last-child .title::after {
  content: '';
  right: -8.9375rem;
  width: 7.6875rem;
  border-bottom: 1px dashed #507e68;
  margin-left: 1.25rem;
}
.browsing .list .item_wrap .item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 10.3125rem;
  height: 10.3125rem;
  border-radius: 100%;
  position: relative;
  transition: none;
  margin-bottom: 1.75rem;
}
.browsing .list .item_wrap .item::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 9.375rem;
  height: 9.375rem;
  border-radius: 50%;
  border: 1px solid #507e68;
  opacity: 1;
}
.browsing .list .item_wrap .item::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-radius: 50%;
  opacity: 0;
}
.browsing .list .item_wrap .item .thumb {
  width: 8.125rem;
  display: block;
}
.browsing .list .item_wrap .item .line_dot {
  opacity: 0;
  width: 0;
  height: 0;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.browsing .list .item_wrap .item .line_dot img {
  width: 26px;
}
.browsing .list .item_wrap .title {
  position: relative;
  display: flex;
  align-items: center;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.875rem;
  color: #1d2129;
  line-height: 1.875rem;
  text-align: center;
  transition: all 1s ease-out;
}
.browsing .list .item_wrap .title::before,
.browsing .list .item_wrap .title::after {
  position: absolute;
}
.browsing .list .item_wrap .title::before {
  content: '';
  left: -8.9375rem;
  width: 7.6875rem;
  border-bottom: 1px dashed #507e68;
}
.browsing .list .cur .item,
.browsing .list .item_wrap:hover .item {
  transition: all 0.5s ease-out 0s;
  background-size: 100% 100%;
  animation: reverse_rotate 20s forwards linear 0.1s infinite;
}
.browsing .list .cur .item::before,
.browsing .list .item_wrap:hover .item::before {
  border: none;
}
.browsing .list .cur .item::after,
.browsing .list .item_wrap:hover .item::after {
  content: '';
  width: 100%;
  height: 100%;
  opacity: 1;
  transition: all 0.5s ease-out 0s;
  background: url('https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/cur_bg_new.png') no-repeat center / cover;
}
.browsing .list .cur .item .thumb,
.browsing .list .item_wrap:hover .item .thumb {
  position: relative;
  animation: forward_rotate 20s forwards linear 0.1s infinite;
}
.browsing .list .cur .item .line_dot,
.browsing .list .item_wrap:hover .item .line_dot {
  transition: all 0.5s ease-out 0s;
  opacity: 1;
  position: absolute;
  content: ' ';
  border: 1px solid #f7edd2;
  border-radius: 100%;
  width: 7.5rem;
  height: 7.5rem;
}
.browsing .list .cur .item .line_dot img,
.browsing .list .item_wrap:hover .item .line_dot img {
  width: 100%;
}
.browsing .list .cur .title,
.browsing .list .item_wrap:hover .title {
  color: #2e5042;
}
@keyframes culture_cur_line_dot {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}
.exhibit {
  position: relative;
  z-index: 3;
  height: 59.625rem;
  margin-top: -9.0625rem;
  padding-top: 18.0625rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/section2.png) no-repeat top / cover;
}
.exhibit::before {
  content: '';
  position: absolute;
  z-index: -1;
  bottom: -2.75rem;
  left: 0;
  width: 100%;
  height: 6.5625rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/section_abs.png) no-repeat top / cover;
  background-size: cover;
}
.exhibit::after {
  content: '';
  position: absolute;
  z-index: -1;
  top: 38.125rem;
  left: 0;
  width: 120rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.exhibit .exhibitSwiper .swiper-wrapper {
  z-index: 2;
}
.exhibit .exhibitSwiper .swiper-slide {
  z-index: 2;
  display: flex;
  justify-content: space-between;
  padding-top: 10px;
}
.exhibit .exhibitSwiper .swiper-slide .left {
  width: 43rem;
}
.exhibit .exhibitSwiper .swiper-slide .left .title {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-weight: bold;
  font-size: 3.75rem;
  color: #ffffff;
  line-height: 3.75rem;
  margin-bottom: 3rem;
}
.exhibit .exhibitSwiper .swiper-slide .left p {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.5rem;
  color: #ffffff;
  line-height: 2.25rem;
}
.exhibit .exhibitSwiper .swiper-slide .image {
  position: relative;
  width: 34.875rem;
  height: 34.875rem;
  opacity: 0;
  transition: all 1.2s;
}
.exhibit .exhibitSwiper .swiper-slide .image:hover img {
  transform: scale(1.1);
}
.exhibit .exhibitSwiper .swiper-slide .image img {
  position: relative;
  z-index: 2;
  width: 33.75rem;
  height: 33.75rem;
  transition: all 1.2s;
}
.exhibit .exhibitSwiper .bgcimg {
  position: absolute;
  z-index: 1;
  right: 0;
  top: 50%;
  border-radius: 50%;
  transform: translateY(-50%);
  width: 34.875rem;
  height: 34.875rem;
  background-color: #4398a7;
  animation: reverse_rotate1 20s forwards linear 0.1s infinite;
}
.exhibit .exhibitSwiper .swiper-slide-active .image,
.exhibit .exhibitSwiper .swiper-slide-duplicate-active .image {
  opacity: 1;
}
@keyframes reverse_rotate1 {
  0% {
    transform: translateY(-50%) rotate(0deg);
  }
  100% {
    transform: translateY(-50%) rotate(-360deg);
  }
}
.exhibit .exhibitSwiper .page {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
}
.exhibit .exhibitSwiper .page .prev,
.exhibit .exhibitSwiper .page .next {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}
.exhibit .exhibitSwiper .page .prev img,
.exhibit .exhibitSwiper .page .next img {
  width: 2.875rem;
}
.exhibit .exhibitSwiper .page .prev span,
.exhibit .exhibitSwiper .page .next span {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.25rem;
  color: #ffffff;
  line-height: 1.75rem;
}
.exhibit .exhibitSwiper .page .center {
  display: flex;
  padding: 0 1.8125rem;
}
.exhibit .exhibitSwiper .page .center span {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 2rem;
  color: #ffffff;
  line-height: 1.75rem;
}
.exhibit .exhibitSwiper .page .center span:last-child {
  font-size: 1.5rem;
  padding-top: 0.3125rem;
}
.news {
  position: relative;
  z-index: 2;
  height: 87.3125rem;
  margin-top: -4rem;
  padding-top: 13.125rem;
}
.news::before {
  content: '';
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/section3.png) no-repeat top / cover;
  background-size: cover;
}
.news .jianzhu {
  position: absolute;
  z-index: -1;
  top: 9.0625rem;
  left: 0px;
  width: 100%;
  animation-timing-function: ease-in-out;
}
@keyframes my-fade-in-up {
  0% {
    opacity: 0;
    transform: translateY(7vh);
  }
  100% {
    opacity: 1;
    transform: none;
  }
}
.news .titles {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-weight: bold;
  font-size: 3.125rem;
  color: #2e5042;
  line-height: 3.125rem;
  letter-spacing: 5px;
  margin-bottom: 1.75rem;
}
.news .titles::before {
  content: '';
  width: 4.375rem;
  height: 2.3125rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/home3.png) no-repeat;
  background-size: cover;
  margin-right: 1.125rem;
}
.news .titles::after {
  content: '';
  width: 4.375rem;
  height: 2.3125rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/home4.png) no-repeat;
  background-size: cover;
  margin-left: 1.125rem;
}
.news .desc {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.75rem;
  color: #1d2129;
  line-height: 1.75rem;
  text-align: center;
  margin-bottom: 5.375rem;
}
.news .timebox {
  position: relative;
  height: 3rem;
  margin-bottom: 5rem;
}
.news .timebox::before {
  content: '';
  position: absolute;
  left: 58.25rem;
  width: 3.6875rem;
  height: 3.6875rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/nicon.png) no-repeat center / 100% 100%;
  animation: forward_rotate 10s linear 0s infinite;
}
.news .timebox::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/lien_bgc.png) no-repeat center / 100% 100%;
}
.news .timebox .div {
  position: absolute;
  top: 4.375rem;
  left: 50%;
  transform: translateX(-50%);
}
.news .timebox .div div {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.75rem;
  color: #2e5042;
  line-height: 1.875rem;
  text-align: center;
}
.news .newSwiper {
  width: 100%;
}
.news .newSwiper .swiper-slide {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition: 300ms;
  transform: scale(0.7);
  cursor: pointer;
}
.news .newSwiper .swiper-slide .img {
  width: 46.375rem;
  height: 34.3125rem;
  overflow: hidden;
  margin-bottom: 2.5rem;
}
.news .newSwiper .swiper-slide .img:hover img {
  transform: scale(1.15);
}
.news .newSwiper .swiper-slide img {
  width: 46.375rem;
  height: 34.3125rem;
  object-fit: cover;
  transition: all 1.5s;
}
.news .newSwiper .swiper-slide .ntitle {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.75rem;
  color: #2e5042;
  line-height: 2rem;
  text-align: center;
  margin-bottom: 1.125rem;
  opacity: 0;
  transform: translateX(50px);
}
.news .newSwiper .swiper-slide .ndesc {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.25rem;
  color: #2e5042;
  line-height: 1.625rem;
  text-align: center;
  opacity: 0;
  transform: translateX(50px);
}
.news .newSwiper .swiper-slide-active,
.news .newSwiper .swiper-slide-duplicate-active {
  transform: scale(1);
}
.news .newSwiper .swiper-slide-active .ndesc,
.news .newSwiper .swiper-slide-duplicate-active .ndesc,
.news .newSwiper .swiper-slide-active .ntitle,
.news .newSwiper .swiper-slide-duplicate-active .ntitle {
  opacity: 1;
  transition: all 1s ease-in-out;
  transform: translateX(0);
}
.footer {
  position: relative;
  min-height: 58.5rem;
  margin-top: -19.5625rem;
  padding-top: 20.9375rem;
  padding-bottom: 1.25rem;
}
.footer::before {
  content: '';
  position: absolute;
  z-index: -1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/footer-bg.png) no-repeat;
  background-size: cover;
}
.footer .codeinfo {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #2e5042;
  margin: 0 -12.5rem;
  padding: 0 22.5rem;
  margin-bottom: 4.4375rem;
}
.footer .codeinfo .item {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-bottom: 1.6875rem;
  cursor: pointer;
}
.footer .codeinfo .item::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  width: 2rem;
  height: 2rem;
  background: url(https://wechatbwg.oss-cn-beijing.aliyuncs.com/PC/front/image/ficon.png) no-repeat center / 100% 100%;
}
.footer .codeinfo .item:hover .code {
  opacity: 1;
  transform: translateY(0);
}
.footer .codeinfo .item .code {
  position: absolute;
  top: -7.9375rem;
  width: 7rem;
  height: 7rem;
  background: #ffffff;
  border-radius: 1.125rem;
  opacity: 0;
  transform: translateY(-1vw);
  transition: ease 1s;
}
.footer .codeinfo .item .icon {
  width: 3.5rem;
  height: 3.5rem;
  margin-bottom: 0.75rem;
}
.footer .codeinfo .item .text {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.25rem;
  color: #2e5042;
  line-height: 1.625rem;
  text-align: center;
  font-style: normal;
  text-transform: none;
}
.footer .menu {
  display: flex;
  justify-content: space-between;
  padding: 0 12.125rem;
  margin-bottom: 1.0625rem;
}
.footer .menu dl {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
}
.footer .menu dl a {
  display: block;
}
.footer .menu dl dt {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-size: 1.5rem;
  color: #2e5042;
  line-height: 1.5rem;
  text-align: left;
  font-style: normal;
  text-transform: none;
  margin-bottom: 1.25rem;
}
.footer .menu dl dt a {
  color: #2e5042;
}
.footer .menu dl dd {
  font-family: Source Han Serif SC, Source Han Serif SC;
  font-weight: 400;
  font-size: 1.25rem;
  color: rgba(105, 105, 105, 0.88);
  line-height: 1.5rem;
  text-align: left;
  font-style: normal;
  text-transform: none;
  margin-bottom: 1.25rem;
}
.footer .menu dl dd:hover a {
  color: #2e5042;
}
.footer .menu dl dd a {
  color: rgba(105, 105, 105, 0.88);
}
.footer .friendlink {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.footer .friendlink span {
  position: relative;
  width: 12.0625rem;
  border-bottom: 1px dashed #2e5042;
}
.footer .friendlink span::before {
  content: '';
  position: absolute;
  top: -4px;
  right: 0;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background-color: #2e5042;
}
.footer .friendlink span:last-of-type::before {
  left: 0;
  right: inherit;
}
.footer .friendlink .center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer .friendlink .center a {
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 1rem;
  color: #4e5969;
  line-height: 1rem;
  margin-right: 1.5625rem;
}
.footer .friendlink .center a:last-child {
  margin-right: 0;
}
.footer .friendlink .center a:hover {
  color: #2e5042;
}
.footer .contactinfo {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.footer .contactinfo .item {
  display: flex;
  align-items: center;
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 1rem;
  color: #1d2129;
  line-height: 1rem;
  text-align: left;
  font-style: normal;
  text-transform: none;
  cursor: pointer;
  margin-right: 6.4375rem;
}
.footer .contactinfo .item:last-child {
  margin-right: 0;
}
.footer .contactinfo .item:hover {
  color: #2e5042;
}
.footer .contactinfo .item img {
  width: 1.375rem;
  height: 1.375rem;
  margin-right: 3px;
}
.footer .copyright {
  display: block;
  font-family: PingFang SC, PingFang SC;
  font-weight: 400;
  font-size: 0.875rem;
  color: #1d2129;
  line-height: 1rem;
  text-align: center;
  font-style: normal;
  text-transform: none;
}
@keyframes forward_rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes reverse_rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(-360deg);
  }
}
@media screen and (max-width: 768px) {
  .mynav {
    position: fixed;
    padding: 10px;
    height: 45px;
  }
  .mynav .p_nav {
    display: none;
  }
  .mynav .top img {
    width: 200px;
  }
  .mynav .m_nav {
    display: block;
  }
  .banner {
    height: 287px;
  }
  .banner img {
    object-fit: cover;
  }
  .banner .text {
    top: 100px;
    left: 15px;
  }
  .banner .text .h1 {
    font-size: 16px;
    line-height: normal;
  }
  .banner .text .desc {
    font-size: 12px;
    line-height: normal;
  }
  .banner .text .btn {
    width: 70px;
    height: 26px;
    font-size: 12px;
    line-height: 26px;
  }
  .banner .page {
    right: 12.5rem;
    align-items: center;
    justify-content: center;
  }
  .banner .page .prev img,
  .banner .page .next img {
    width: 28px;
  }
  .banner .page .prev span,
  .banner .page .next span {
    font-size: 13px;
  }
  .banner .page .center {
    justify-content: center;
    align-items: center;
  }
  .banner .page .center span {
    font-size: 16px;
  }
  .banner .page .center span:last-child {
    font-size: 14px;
  }
  .about {
    height: auto;
    padding: 20px 15px 40px;
  }
  .about::before {
    background-position: center;
  }
  .about .notics {
    height: 40px;
  }
  .about .notics .left .title {
    font-size: 14px;
    line-height: inherit;
  }
  .about .notics .left .text {
    font-size: 12px;
    line-height: inherit;
  }
  .about .notics .time {
    font-size: 12px;
    line-height: inherit;
  }
  .about .htitle {
    font-size: 25px;
    line-height: inherit;
    margin-bottom: 14px;
  }
  .about .htitle::before,
  .about .htitle::after {
    width: 35px;
    height: 18.5px;
  }
  .about .htitle::before {
    margin-right: 8px;
  }
  .about .htext {
    font-size: 14px;
    line-height: inherit;
    margin-bottom: 23px;
  }
  .about .mtitle {
    font-size: 16px;
    line-height: normal;
    margin-bottom: 28px;
  }
  .about .desc {
    margin-bottom: 37.5px;
  }
  .about .desc p {
    font-size: 10px;
    line-height: inherit;
  }
  .about .moreBtn {
    width: 106px;
    height: 30px;
    font-size: 14px;
    line-height: 30px;
  }
  .about .moreBtn div {
    font-size: 14px;
    line-height: 30px;
  }
  .browsing {
    height: auto;
    margin-top: -72px;
    padding: 0 15px;
    padding-top: 90px;
    padding-bottom: 80px;
  }
  .browsing::before {
    background-position: center;
    background-size: cover;
  }
  .browsing .titles {
    font-size: 25px;
    margin-bottom: 15px;
  }
  .browsing .titles::before,
  .browsing .titles::after {
    width: 35px;
    height: 18.5px;
  }
  .browsing .titles::before {
    margin-right: 8px;
  }
  .browsing .desc {
    font-size: 14px;
    line-height: normal;
  }
  .browsing .content_wrap {
    height: 274px;
    padding: 0 33.5px;
  }
  .browsing .content_wrap .content {
    width: 693px;
    height: 211px;
  }
  .browsing .content_wrap .content img {
    width: 679px;
    height: 188px;
  }
  .browsing .content_wrap .content .textbox {
    width: none;
  }
  .browsing .content_wrap .content h2 {
    font-size: 20px;
    margin-bottom: 14px;
  }
  .browsing .content_wrap .content .time {
    margin-bottom: 6px;
  }
  .browsing .content_wrap .content .desc,
  .browsing .content_wrap .content .time {
    font-size: 12px;
    line-height: normal;
  }
  .browsing .content_wrap .content .moreBtn {
    width: 106px;
    height: 30px;
    font-size: 14px;
    line-height: 30px;
  }
  .browsing .content_wrap .content .moreBtn div {
    font-size: 14px;
    line-height: 30px;
  }
  .browsing .content_wrap .border {
    width: 33.5px;
  }
  .browsing .list {
    flex-wrap: wrap;
    padding: 0px;
  }
  .browsing .list .item_wrap {
    --w: 60px;
    --befW: 55px;
  }
  .browsing .list .item_wrap:last-child .title::after {
    display: none;
  }
  .browsing .list .item_wrap:hover .item .line_dot {
    width: 35px;
    height: 35px;
  }
  .browsing .list .item_wrap .item {
    width: var(--w);
    height: var(--w);
  }
  .browsing .list .item_wrap .item::before {
    width: var(--befW);
    height: var(--befW);
  }
  .browsing .list .item_wrap .item .thumb {
    width: 45px;
  }
  .browsing .list .item_wrap .item .line_dot img {
    width: 45px;
  }
  .browsing .list .item_wrap .title {
    font-size: 15px;
    line-height: normal;
  }
  .browsing .list .item_wrap .title::before {
    display: none;
    left: 71.5px;
    width: 61.5px;
  }
  .browsing .list .cur .item .line_dot {
    width: 45px;
    height: 45px;
  }
  .exhibit {
    height: auto;
    padding-top: 60px;
    margin-top: -77px;
    padding-bottom: 50px;
    background-size: cover;
  }
  .exhibit::before {
    bottom: -19px;
    height: 52.5px;
  }
  .exhibit .exhibitSwiper .swiper-slide .left {
    width: 60%;
  }
  .exhibit .exhibitSwiper .swiper-slide .left .title {
    font-size: 20px;
    line-height: normal;
  }
  .exhibit .exhibitSwiper .swiper-slide .left p {
    font-size: 12px;
    line-height: normal;
  }
  .exhibit .exhibitSwiper .swiper-slide .image {
    width: 162px;
    height: 162px;
  }
  .exhibit .exhibitSwiper .swiper-slide .image img {
    width: 100%;
    height: auto;
  }
  .exhibit .exhibitSwiper .bgcimg {
    width: 162px;
    height: 162px;
  }
  .exhibit .exhibitSwiper .page .prev img,
  .exhibit .exhibitSwiper .page .next img {
    width: 23px;
  }
  .exhibit .exhibitSwiper .page .prev span,
  .exhibit .exhibitSwiper .page .next span {
    font-size: 10px;
    line-height: normal;
  }
  .exhibit .exhibitSwiper .page .center span {
    font-size: 16px;
    line-height: normal;
  }
  .exhibit .exhibitSwiper .page .center span:last-child {
    font-size: 14px;
  }
  .news {
    height: auto;
    padding-bottom: 60px;
    padding-top: 60px;
    margin-top: -20px;
  }
  .news .jianzhu {
    top: 52px;
  }
  .news .titles {
    font-size: 25px;
    line-height: normal;
    margin-bottom: 14px;
  }
  .news .titles::before,
  .news .titles::after {
    width: 35px;
    height: 18.5px;
  }
  .news .titles::before {
    margin-right: 8px;
  }
  .news .desc {
    font-size: 14px;
    line-height: normal;
  }
  .news .timebox {
    height: 24px;
    margin-bottom: 40px;
  }
  .news .timebox::before {
    width: 29.5px;
    height: 29.5px;
    left: 46.5%;
    transform: translateX(-50%);
  }
  .news .timebox::after {
    background-size: cover;
  }
  .news .timebox .div {
    top: 40px;
  }
  .news .timebox .div div {
    top: 35px;
    font-size: 14px;
  }
  .news .newSwiper .swiper-slide img {
    width: 255px;
    height: 170px;
  }
  .news .newSwiper .swiper-slide .ntitle {
    font-size: 14px;
    line-height: normal;
  }
  .news .newSwiper .swiper-slide .ndesc {
    font-size: 10px;
    line-height: normal;
  }
  .news .newSwiper .swiper-slide-active,
  .news .newSwiper .swiper-slide-duplicate-active {
    z-index: 1;
  }
  .footer {
    height: auto;
    margin-top: -75px;
    padding-top: 90px;
  }
  .footer .codeinfo {
    margin: 0 -15px;
    padding: 0 30px;
    margin-bottom: 30px;
  }
  .footer .codeinfo .item {
    padding-bottom: 13.5px;
  }
  .footer .codeinfo .item::after {
    width: 16px;
    height: 16px;
    bottom: -8px;
  }
  .footer .codeinfo .item .icon {
    width: 28px;
    height: 28px;
    margin-bottom: 6px;
  }
  .footer .codeinfo .item .text {
    font-size: 10px;
    line-height: normal;
  }
  .footer .codeinfo .item .code {
    top: -60px;
    width: 50px;
    height: 50px;
  }
  .footer .menu {
    display: none;
    padding: 0px;
  }
  .footer .menu dl dt {
    font-size: 12px;
    line-height: normal;
    margin-bottom: 10px;
  }
  .footer .menu dl dd {
    font-size: 12px;
    line-height: normal;
    margin-bottom: 10px;
  }
  .footer .friendlink {
    margin-bottom: 10px;
  }
  .footer .friendlink span {
    display: none;
  }
  .footer .friendlink .center {
    flex-wrap: wrap;
  }
  .footer .friendlink .center a {
    font-size: 12px;
    line-height: normal;
  }
  .footer .contactinfo {
    flex-wrap: wrap;
    margin-bottom: 10px;
  }
  .footer .contactinfo .item {
    line-height: normal;
    font-size: 12px;
    margin-right: 0;
  }
  .footer .contactinfo .item img {
    width: 14px;
    height: 14px;
  }
  .footer .copyright {
    font-size: 12px;
    line-height: normal;
  }
  .backtop {
    width: 60px;
    height: 60px;
    font-size: 16px;
    line-height: 18px;
    padding: 0 10px;
  }
}