.curpoin {
  cursor: pointer;
}
.hidden {
  display: none;
}
.auto-img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
}
.w {
  width: 100%;
  max-width: 1200px;
  margin: auto;
}
.back-top {
  color: white;
  position: fixed;
  right: 30px;
  bottom: 30px;
  cursor: pointer;
  font-size: 12px;
  color: #000;
  z-index: 10000;
}
.back-top img {
  width: 25px;
  margin-bottom: 5px;
}
.head {
  position: relative;
}
.head .head-video {
  position: relative;
}
.head .head-video .video {
  width: 100%;
  max-height: 570px;
  object-fit: cover;
}
.head .head-img {
  position: relative;
  height: 600px;
}
.head .head-img .head-img-one {
  position: absolute;
  right: 0%;
  bottom: 0;
  width: 423px;
  height: 523px;
  animation: slideInUps 2s;
}
.head .head-img .head-img-two {
  position: absolute;
  right: 336px;
  bottom: 300px;
  width: 116px;
  height: 90px;
}
.head .head-img .head-info {
  position: absolute;
  left: 0;
  bottom: 140px;
}
.head .head-box {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9;
}
.head .head-box .head-box-before {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  transition: all 0.3s ease;
}
.head .head-box .nav-box {
  position: relative;
  z-index: 2;
}
.head .head-box .nav-box .logo {
  height: 33px;
  flex-shrink: 0;
  margin-right: 50px;
}
.head .head-box .nav-box .logo img {
  width: auto;
  height: 100%;
}
.head .head-box .nav-box .nav {
  height: 80px;
  flex: 1;
}
.head .head-box .nav-box .nav .nav-item,
.head .head-box .nav-box .nav .nav-item-a {
  margin-right: 35px;
  color: #A4A4A4;
}
.head .head-box .nav-box .nav .nav-item:last-child,
.head .head-box .nav-box .nav .nav-item-a:last-child {
  margin-right: 0;
}
.head .head-box .nav-box .nav .nav-item .nav-title,
.head .head-box .nav-box .nav .nav-item-a .nav-title {
  font-size: 14px;
  cursor: pointer;
}
.head .head-box .nav-box .nav .nav-item .nav-sub-title,
.head .head-box .nav-box .nav .nav-item-a .nav-sub-title {
  margin-top: 4px;
  font-size: 12px;
  cursor: pointer;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box {
  display: none;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav {
  position: absolute;
  top: 78px;
  left: 50%;
  transform: translateX(-50%);
  padding: 30px 90px 50px 90px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li {
  flex: 1;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-nav-li-two .child-item:nth-child(2n),
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li .child-nav-li-two .child-item:nth-child(2n) {
  /*margin-left: 60px;*/
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-nav-li-one .child-item .img-box,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li .child-nav-li-one .child-item .img-box {
  margin-left: 0;
  margin-right: 20px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li {
  position: relative;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-img,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-img {
  margin-left: 100px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text {
  margin-left: 36px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item {
  display: block;
  position: relative;
  margin-bottom: 50px;
  font-size: 18px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:last-child,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:last-child {
  margin-bottom: 0;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item::after,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item::after {
  content: '';
  width: 55px;
  height: 1px;
  position: absolute;
  top: 12px;
  left: -65px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(1),
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(1) {
  color: #FD947E;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(1)::after,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(1)::after {
  background-color: #FD947E;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(2),
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(2) {
  color: #9AC9E2;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(2)::after,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(2)::after {
  background-color: #9AC9E2;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(3),
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(3) {
  color: #E5DC9D;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(3)::after,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li.child-peijian-li .peijian-text .item:nth-child(3)::after {
  background-color: #E5DC9D;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li:first-child,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li:first-child {
  margin-right: 30px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-title,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li .child-title {
  font-size: 14px;
  color: #A4A4A4;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li .child-item {
  margin-top: 25px;
  margin-right: 35px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item.child-item-two .name-box,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li .child-item.child-item-two .name-box {
  width: 100px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .name-box,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li .child-item .name-box {
  font-size: 16px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .name,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li .child-item .name {
  color: #fff;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .sub-name,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li .child-item .sub-name {
  color: #909095;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .img-box,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li .child-item .img-box {
  margin-left: 20px;
}
.head .head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .img-box .img,
.head .head-box .nav-box .nav .nav-item-a .child-nav-box .child-nav .child-nav-li .child-item .img-box .img {
  width: 72px;
  height: 72px;
}
.head .head-tips-box {
  position: absolute;
  bottom: 30px;
  left: calc((100% - 1200px)/2);
}
.head .head-tips-box.head-info {
  bottom: 140px;
}
.head .head-tips-box.head-info .logo {
  margin-top: 10px;
  height: 51px;
  width: 200px;
}
.head .head-tips-box.head-info .en-tips {
  color: #fff;
  font-size: 46px;
}
.head .head-tips-box.head-info .zh-tips {
  color: #fff;
  font-size: 49px;
}
.head .head-tips-box .logo {
  height: 57px;
}
.head .head-tips-box .logo img {
  width: auto;
  height: 100%;
}
.head .head-tips-box .en-tips {
  font-weight: bold;
  font-size: 35px;
  color: rgba(255, 255, 255, 0.3);
  line-height: 49px;
  text-transform: uppercase;
}
.head .head-tips-box .zh-tips {
  font-size: 24px;
  color: rgba(255, 255, 255, 0.3);
}
.head .mobile-head-box {
  display: none;
}
.xuanwu .head .head-tips-box .zh-tips {
  font-size: 36px;
  font-weight: bold;
}
.xuanwu .head .head-tips-box .en-tips {
  margin-top: 2px;
  color: #F1E4D0;
  font-size: 56px;
  height: 50px;
  line-height: 50px;
}
.xuanwu .head .head-tips-box .logo {
  margin-top: 10px;
}
.xuanwu .head .head-tips-box .logo img {
  width: 100%;
  height: auto;
}
.xuanwu .head .head-img {
  height: 650px;
  background-image: url(../img/xuanwu/head_bg.png);
  background-size: 100% 100%;
}
.xuanwu .head .head-img .head-info {
  bottom: 170px;
}
.xuanwu .head .head-img .w {
  position: absolute;
  bottom: 0;
  left: calc((100% - 750px)/2);
  width: 750px;
  height: 650px;
  overflow: hidden;
}
.xuanwu .head .head-img .w > div {
  position: relative;
  width: 100%;
  height: 100%;
}
.xuanwu .head .head-img .bg {
  width: auto;
  height: auto;
  height: 600px;
}
@keyframes slideInUps {
  0% {
    transform: translateY(60px);
  }
  80% {
    transform: translateY(-5px);
  }
  100% {
    transform: translateY(0);
  }
}
/* 在屏幕宽度小于960px时应用 */
@media only screen and (max-width: 960px) {
  .head {
    width: 100%;
  }
  .head .head-img {
    margin-top: 58px;
    height: auto!important;
  }
  .head .head-img img {
    display: block;
    object-fit: cover;
    height: 240px;
    width: 100%;
  }
  .head .head-box {
    display: none;
  }
  .head .mobile-head-box {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    height: 60px;
    padding: 0 10px;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 999;
  }
  .head .mobile-head-box .logo {
    height: 35px;
  }
  .head .mobile-head-box .logo img {
    width: auto;
    height: 100%;
  }
  .head .mobile-head-box .menu {
    height: 35px;
    width: 35px;
  }
  .head .mobile-head-box .nav-box {
    position: fixed;
    right: -70%;
    top: 59px;
    background-color: rgba(0, 0, 0, 0.9);
    color: #fff;
    width: 70%;
    height: calc(100% - 59px);
    z-index: 99;
  }
  .head .mobile-head-box .nav-box .nav {
    height: 100%;
    overflow-y: auto;
  }
  .head .mobile-head-box .nav-box .nav .nav-item-a {
    padding: 0 10px;
    height: 50px;
    color: #fff;
    font-size: 14px;
    align-items: flex-start;
  }
  .head .mobile-head-box .nav-box .nav .nav-item-a .nav-sub-title {
    font-size: 12px;
  }
  .head .mobile-head-box .nav-box .nav .nav-item {
    position: relative;
    padding: 0 10px;
    width: 100%;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .nav-item-text {
    width: 100%;
    height: 50px;
    color: white;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .nav-item-text .nav-title {
    font-size: 14px;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .nav-item-text .nav-sub-title {
    font-size: 12px;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .nav-item-text .icon {
    width: 18px;
    transition: all 0.3s ease;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .nav-item-text .icon.active {
    transform: rotate(90deg);
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box {
    display: none;
    width: 100%;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav {
    width: 100%;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-title {
    margin: 10px 0;
    font-size: 18px;
    font-weight: bold;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li {
    width: 100%;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-nav-li-one {
    width: 100%;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-nav-li-one .child-item {
    flex-direction: row;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-nav-li-one .child-item .img-box {
    flex-shrink: 0;
    margin-left: 0px;
    margin-right: 10px;
    height: 40px;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-nav-li-one .child-item .img-box .img {
    height: 40px;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item {
    height: 40px;
    width: 100%;
    color: #fff;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 5px;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .name-box {
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item.child-item-two {
    justify-content: space-between;
    flex-direction: row;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .name {
    width: 100%;
    font-size: 14px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .sub-name {
    width: 100%;
    font-size: 12px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .img-box {
    margin-left: 15px;
    width: 40px;
    height: 40px;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .img-box .img {
    height: 40px;
    width: 40px;
  }
  .head .mobile-head-box .nav-box .nav .nav-item .child-nav-box .child-nav .child-nav-li .child-item .img-box .img img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
  }
  .xuanwu .head .head-img {
    height: 300px!important;
    background-position:center;
  }
  .xuanwu .head .head-img .w {
    left: 0;
    width: 100%;
    height: 300px;
  }
  .xuanwu .head .head-img .head-img-one,
  .xuanwu .head .head-img .head-img-two {
    height: auto;
  }
  .xuanwu .head .head-img .head-img-one {
    width: 56.4%;
  }
  .xuanwu .head .head-img .head-img-two {
    width: 15.46%;
    bottom: 53%;
    right: 44%;
  }
  .xuanwu .head .head-img .head-tips-box {
    position: absolute;
    width: 100%;
    bottom: 10px;
    overflow-x: hidden;
  }
  .xuanwu .head .head-img .head-tips-box.head-info {
    bottom: 20%;
    left: 3%;
  }
  .xuanwu .head .head-img .head-tips-box.head-info .logo {
    width: 30%;
    height: auto;
  }
  .xuanwu .head .head-img .head-tips-box.head-info .en-tips {
    color: #F1E4D0;
    font-size: 22px;
    line-height: 30px;
    height: 30px;
  }
  .xuanwu .head .head-img .head-tips-box.head-info .zh-tips {
    color: #fff;
    font-size: 24px;
    line-height: 30px;
  }
  .xuanwu .head .head-img .head-tips-box .logo {
    height: 44px;
  }
  .xuanwu .head .head-img .head-tips-box .en-tips {
    font-size: 22px;
    line-height: 49px;
  }
  .xuanwu .head .head-img .head-tips-box .zh-tips {
    font-size: 24px;
  }
}

.sub-nav-top{
  margin-bottom: 60px;
}
.sub-nav-top .sub-nav-item{
  background: #313131;
  padding: 10px 20px;
  margin-right: 30px;
  border-radius: 20px;
}

.sub-nav-top .active{
  background: #fff;
  color: #000;
}

.nav-item:hover .nav-title {
  color: #fff;
}
.nav-item-a:hover .nav-title {
  color: #fff;
}

.nav-item:hover .nav-sub-title {
  color: #fff;
}

.nav-item-a:hover .nav-sub-title{
  color: #fff;
}
.nav-item-a{
  position: relative;
}
.nav-item-a-sub {
  position: absolute;
  top: 80px;
  width: 200px;
  background: #eeeeee;
  border-radius: 20px;
  padding: 10px 20px;
  display: none;
}
.nav-item-a-sub .nav-item-en{
  color: #000;
  margin-bottom: 10px;
}