@media screen and (min-width: 1201px) {
  .header .logo,
  .header .nav,
  .header .nav a {
    -webkit-transition: all 0.3s;
    transition: all 0.3s;
  }
  .header .logo {
    -webkit-filter: brightness(0) invert(100%);
            filter: brightness(0) invert(100%);
  }
  .header .nav {
    background-color: transparent;
  }
  .header .nav a {
    color: white;
  }
  .header .menu-dropdown a {
    color: initial;
  }
  .header.active .logo {
    -webkit-filter: initial;
            filter: initial;
  }
  .header.active .nav {
    background-color: white;
  }
  .header.active .nav a {
    color: #333;
  }
  .header.active .header-top {
    background-color: white;
    color: #333;
    border-bottom: 1px solid #f2f2f2;
  }
}
.box1 .box-content {
  position: relative;
  overflow: hidden;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.box1 .content-list {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  position: relative;
}
.box1 .content.active h1,
.box1 .content.active p,
.box1 .content.active a {
  top: 0;
  opacity: 1;
}
.box1 .txt {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  color: white;
  padding-top: 160px;
}
.box1 .txt h1,
.box1 .txt p,
.box1 .txt a {
  position: relative;
  top: 10px;
  opacity: 0;
}
.box1 .txt h1 {
  font-size: 54px;
  font-weight: 300;
  margin-bottom: 40px;
  -webkit-transition: all 0.6s;
  transition: all 0.6s;
}
.box1 .txt p {
  margin-bottom: 130px;
  font-size: 20px;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  line-height:30px;
}
.box1 .txt a {
  color: white;
  height: 60px;
  width: 240px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  font-size: 20px;
  color: #006db8;
  background-color: white;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.box1 .node {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 45px;
}
.box1 .node::before {
  content: "";
  position: absolute;
  top: -25px;
  height: 1px;
  left: 0;
  right: 0;
  background-color: #757575;
}
.box1 .node .main {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.box1 .node-item {
  color: white;
  width: 155px !important;
  height: 45px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  border-radius: 8px;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
  cursor: pointer;
}
.box1 .node-item::after,
.box1 .node-item::before {
  content: "";
  position: absolute;
  top: -32px;
  border-radius: 50px;
  height: 15px;
  width: 15px;
  background-color: #006db8;
}
.box1 .node-item::before {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-shadow: 0 0 0 10px #006db8;
          box-shadow: 0 0 0 10px #006db8;
  -webkit-animation: amap-icon-anim 3s ease-out infinite;
          animation: amap-icon-anim 3s ease-out infinite;
}
.box1 .node-item.swiper-slide-thumb-active,
.box1 .node-item:hover {
  background-color: #006db8;
  color: white;
}
.box1 .node-item.swiper-slide-thumb-active::after,
.box1 .node-item:hover::after {
  background-color: white;
}
.box1 .node-item.swiper-slide-thumb-active::before,
.box1 .node-item:hover::before {
  background-color: white;
  -webkit-box-shadow: 0 0 0 10px white;
          box-shadow: 0 0 0 10px white;
}
@-webkit-keyframes amap-icon-anim {
  0% {
    opacity: 0;
    -webkit-transform: scale(0.1);
            transform: scale(0.1);
  }
  5% {
    opacity: 1;
  }
  to {
    opacity: 0;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
@keyframes amap-icon-anim {
  0% {
    opacity: 0;
    -webkit-transform: scale(0.1);
            transform: scale(0.1);
  }
  5% {
    opacity: 1;
  }
  to {
    opacity: 0;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
.box1 img {
  width: 100%;
}
@media screen and (max-width: 1400px) {
  .box1 .content img {
    height: 360px;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .box1 .txt {
    padding: 20px;
  }
  .box1 .txt h1 {
    font-size: 24px;
    margin-bottom: 20px;
  }
  .box1 .txt p {
    font-size: 12px;
    margin-bottom: 30px;
  }
  .box1 .txt a {
    width: 100px;
    height: initial;
    padding: 10px 0;
    font-size: 12px;
  }
  .box1 .node {
    bottom: 20px;
  }
  .box1 .node-item {
    height: initial;
    padding: 10px 0;
    font-size: 10px;
    border-radius: 50px;
  }
}
.box2 .tabs {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin-bottom: 15px;
}
.box2 .tabs-item {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  padding: 50px 0;
  cursor: pointer;
  text-align: center;
  color: #838383;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.box2 .tabs-item .img {
  height: 45px;
  width: 45px;
  margin: 0 auto;
  margin-bottom: 15px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.box2 .tabs-item:hover,
.box2 .tabs-item.swiper-slide-thumb-active {
  background-color: #006db8;
  color: white;
}
.box2 .tabs-item:hover img,
.box2 .tabs-item.swiper-slide-thumb-active img {
  -webkit-filter: brightness(0) invert(100%);
          filter: brightness(0) invert(100%);
}
.box2 .box-content {
  position: relative;
  overflow: hidden;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.box2 .case {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 30px;
}
.box2 .case-list {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  position: relative;
}
.box2 .case-list li{
 list-style:none;margin-right:20px;
}
.box2 .case .img {
  position: relative;
}
.box2 .case .img > img {
  width:308px;height:210px;
}
.box2 .case .mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  background-color: rgba(0, 109, 184, 0.2);
  opacity: 0;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.box2 .case-item {
  display: none;
}
.box2 .case-item:first-child {
  display: block;
}

.box2 .case-item:hover .case-info {
  border-color: #006db8;
  border-top-color: #dedede;
}
.box2 .case-item:hover .mask {
  opacity: 1;
}
.box2 .case-info {
  padding: 15px 30px;
  border: 1px solid #dedede;
}
.box2 .case-title {
  font-size: 28px;
  margin-bottom: 10px;
  color: initial;
}
.box2 .case-desc {
  font-size: 18px;
  color: #999999;
}
@media screen and (max-width: 1400px) {
  .box2 .tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
  }
  .box2 .tabs-item {
    width: initial !important;
    padding: 10px 0;
  }
  .box2 .case {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
    padding: 0 20px;
  }
  .box2 .case-info {
    padding: 10px;
  }
  .box2 .case-title {
    font-size: 16px;
  }
  .box2 .case-desc {
    font-size: 12px;
  }
}
.box3 {
  background-color: #f7f7f7;
}
.box3 .box-content {
  position: relative;
  overflow: hidden;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.box3 .product {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  position: relative;
}
.box3 .product-list {
  display: grid;
  gap: 30px;
  grid-template-columns: repeat(4, 1fr);
}
.box3 .product-item {
  padding: 30px;
  background-color: white;
  border: 1px solid #eee;
  text-align: center;
}
.box3 .product-item .img {
  overflow: hidden;  
}
.box3 .product-item img {
  -webkit-transition: all 0.3s;
  transition: all 0.3s;width:250px;
  height:250px;
  
}
.box3 .product-item:hover img {
  -webkit-transform: scale(1.2);
          transform: scale(1.2);
}
.box3 .product-title {
  font-size: 18px;
  margin-top: 30px;
}
.box3 .product-pager {
  margin-top: 30px;
  padding: 30px 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 120px;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.box3 .product-pager-item {
  height: 14px;
  width: 14px;
  border-radius: 10px;
  border: 3px solid transparent;
  position: relative;
  cursor: pointer;
  border-color: #f7f7f7;
  -webkit-box-shadow: 0 0 0 1px #f7f7f7;
          box-shadow: 0 0 0 1px #f7f7f7;
  background-color: #CCC;
}
.box3 .product-pager-item + .product-pager-item::before {
  content: "";
  position: absolute;
  width: 100px;
  right: 20px;
  bottom: 4px;
  height: 1px;
  background-color: #CCC;
}
.box3 .product-pager-item.active {
  height: 14px;
  width: 14px;
  border-color: white;
  -webkit-box-shadow: 0 0 0 1px #006db8;
          box-shadow: 0 0 0 1px #006db8;
  background-color: #006db8;
}
@media screen and (max-width: 1400px) {
  .box3 .product-list {
    display: grid;
    gap: 20px;
    padding: 0 20px;
    grid-template-columns: repeat(2, 1fr);
  }
  .box3 .product-item {
    padding: 10px;
  }
  .box3 .product-title {
    font-size: 14px;
  }
  .box3 .product img {
    width: 100%;height:auto;
  }
}
.box4 {
  background-color: #e8eff3;
}
.box4 .box-content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.box4 .tabs {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 20px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.box4 .tabs div {
  width: 140px;
  height: 45px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  background-color: white;
  border-radius: 4px;
  cursor: pointer;
}
.box4 .tabs div.active {
  background-color: #006db8;
  color: white;
}
.box4 .tabs a {
  margin-left: auto;
  padding: 10px;
  background-color: white;
  border-radius: 4px;
}
.box4 .news {
  display: none;
}
.box4 .news.active {
  display: block;
}
.box4 .news-cover {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin: 60px 0;
}
.box4 .news-cover img {
  height: 160px;
  width: 280px;
}
.box4 .news-cover-info {
  margin-left: 30px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 20px;
  color: #999;
}
.box4 .news-cover-title {
  font-size: 20px;
  color: initial;
}
.box4 .news-cover-desc {
  line-height: 30px;
}
.box4 .news-list {
  border-top: 1px dashed #ccc;
}
.box4 .news-list a {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 66px;
  border-bottom: 1px dashed #ccc;
}
.box4 .news-list a::before {
  content: "";
  display: inline-block;
  height: 8px;
  width: 8px;
  background-color: #006db8;
  margin-right: 10px;
}
.box4 .news-date {
  margin-left: auto;
}
.box4 .right {
  width: 470px;
  margin-left: 85px;
}
.box4 .question {
  margin-top: 30px;
  line-height: 25px;
  padding-left: 35px;
}
.box4 .question-item {
  margin-bottom: 10px;
}
.box4 .question .q{margin-bottom:20px;font-weight:500px;}
.box4 .question .a{font-size:14px;}
.box4 .question .q::before,
.box4 .question .a::before {
  content: "Q";
  background-color: #006db8;
  color: white;
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  height: 25px;
  width: 25px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  border-radius: 4px;
  margin-left: -35px;
  margin-right: 10px;
}
.box4 .question .a::before {
  content: "A";
  background-color: #CCC;
}
@media screen and (max-width: 1400px) {
  .box4 .box-content {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .box4 .tabs {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 20px;
    padding: 20px;
  }
  .box4 .tabs a {
    width: 140px;
    height: 45px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    background-color: white;
    border-radius: 4px;
  }
  .box4 .news-cover {
    display: block;
    padding: 10px;
    margin: 20px;
  }
  .box4 .news-cover img {
    width: 100%;
  }
  .box4 .news-cover-info {
    margin-left: auto;
  }
  .box4 .news-cover-title {
    margin-top: 20px;
  }
  .box4 .news-list {
    margin: 20px;
  }
  .box4 .left,
  .box4 .right {
    width: 100%;
  }
  .box4 .right {
    margin-left: 0;
    padding: 20px;
  }
}
.box5 {
  padding: 60px 0;
}
.box5 .intro {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.box5 .intro-info {
  margin-left: 50px;
}
.box5 .intro h1 {
  font-size: 40px;
  font-weight: 300;
  margin-bottom: 10px;
}
.box5 .intro h3 {
  font-size: 42px;
  font-weight: 500;
  margin-bottom: 30px;
}
.box5 .intro p {
  font-size: 18px;
  line-height: 25px;
  margin-bottom: 50px;
}
.box5 .intro a {
  height: 45px;
  width: 170px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  background-color: #006db8;
  border-radius: 50px;
  color: white;
}
.box5 .data {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 15px;
  margin-top: 20px;
}
.box5 .data-item {
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  text-align: center;
  padding: 25px;
  background-color: #f4f4f4;
  cursor: pointer;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.box5 .data-item:hover {
  background-color: #006db8;
  color: white;
}
.box5 .data-item:hover .img img {
  -webkit-filter: none;
          filter: none;
}
.box5 .data-item .img {
  height: 105px;
  width: 105px;
  margin: 0 auto;
  margin-bottom: 30px;
  border: 2px solid white;
  border-radius: 50%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.box5 .data-item .img img {
  -webkit-filter: brightness(0.5);
          filter: brightness(0.5);
}
.box5 .data-item span {
  font-size: 46px;
  padding-right: 5px;
}
.box5 .data-item p {
  margin-top: 10px;
}
@media screen and (max-width: 1400px) {
  .box5 .intro {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
  .box5 .intro img {
    width: 100%;
  }
  .box5 .intro-info {
    margin-left: 0;
    padding: 20px;
  }
  .box5 .intro h1 {
    font-size: 24px;
  }
  .box5 .intro h3 {
    font-size: 16px;
    margin-bottom: 20px;
  }
  .box5 .intro p {
    font-size: 12px;
    line-height: 20px;
    margin-bottom: 30px;
  }
  .box5 .data {
    display: grid;
    padding: 20px;
    gap: 20px;
    grid-template-columns: repeat(2, 1fr);
  }
}
.box6 .box-content {
  overflow: hidden;
}
.box6 .img {
  overflow: hidden;
}
.box6 .img-wrapper {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.box6 .img-slide {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 15px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}
.box6 .img:hover img {
  -webkit-transform: scale(1.2);
          transform: scale(1.2);
}
.box6 img {
  width: 100%;
  height: auto;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}



@media screen and (max-width: 750px){




}