.banner {
  position: relative;
}
.banner .bg {
  width: 100%;
}
.banner-nav {
  position: relative;
  height: 3.2rem;
  width: 100%;
  background-color: #005997;
  text-align: center;
}
.banner-nav .swiper-container {
  height: 100%;
}
.banner-nav .swiper-container .swiper-button-next,
.banner-nav .swiper-container .swiper-button-prev {
  height: 3.2rem;
  width: 2rem;
  background-color: #03416C;
  top: 0;
  margin-top: 0;
  background-image: url("../png/subnav-left.png");
  cursor: pointer;
  z-index: 10;
}
.banner-nav .swiper-container .swiper-button-prev {
  left: 0;
}
.banner-nav .swiper-container .swiper-button-next {
  background-image: url("../png/subnav-right.png");
  right: 0;
}
.banner-nav .swiper-container .swiper-button-next.swiper-button-disabled,
.banner-nav .swiper-container .swiper-button-prev.swiper-button-disabled {
  opacity: 0.75;
}
.banner-nav .item {
  cursor: pointer;
}
.banner-nav .item .icon {
  background-color: #005997;
  margin-top: 0.7rem;
}
.banner-nav .item .icon span {
  display: inline-block;
  width: 0.9rem;
  height: 0.93333333rem;
  background: url("../png/banner_dot.png") no-repeat center center;
  background-size: 100%;
}
.banner-nav .item .txt {
  margin-top: 0.26666667rem;
  font-size: 0.53333333rem;
  color: #fff;
}
.banner-nav .item.active span {
  background-image: url("../png/banner_dot_h.png");
}
.banner-nav .item.active .txt {
  color: #00FFFF;
}
.subnav-content {
  color: #8A8A8A;
}
.chunk-title {
  padding-top: 2rem;
  padding-bottom: 1.33333333rem;
  text-align: center;
}
.chunk-title .title-cn {
  color: #005694;
  font-size: 0.73333333rem;
}
.chunk-title .title-en {
  margin-top: 0.5rem;
  font-size: 0.53333333rem;
}
.subnav-item-understand .chunk-1 {
  width: 45rem;
  margin-left: auto;
  margin-right: auto;
}
.subnav-item-understand .chunk-1 p {
/*  font-size: 0.46666667rem;
*/  margin-bottom: 1rem;
  line-height: 1.13333333rem;
}
.subnav-item-understand .chunk-1 .content-bg {
  width: 100%;
  margin-bottom: 1rem;
}
.subnav-item-understand .chunk-2 {
  background-color: #f2f2f2;
  padding-bottom: 3.33333333rem;
}
.subnav-item-understand .chunk-2 .title-box {
  padding: 2rem 0;
  width: 45rem;
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}
.subnav-item-understand .chunk-2 .title-box .title {
  color: #005694;
  font-size: 0.73333333rem;
  margin-bottom: 1.33333333rem;
}
.subnav-item-understand .chunk-2 .title-box .title span {
  font-size: 1.06666667rem;
}
.subnav-item-understand .chunk-2 .title-box .sub-title {
  margin-top: 0.5rem;
/*  font-size: 0.53333333rem;
*/  line-height: 1.13333333rem;
  text-align: left;
}
.subnav-item-understand .chunk-2 .brand-list {
  width: 1037px;
  margin-right: auto;
  margin-left: auto;
  background-color: #fff;
  border-top: 1px solid #ccc;
  border-left: 1px solid #ccc;
  text-align: left;
}
.subnav-item-understand .chunk-2 .brand-list .item {
  float: left;
  width: 259px;
  height: 140px;
  text-align: center;
  border-bottom: 1px solid #ccc;
  border-right: 1px solid #ccc;
  cursor: pointer;
  overflow: hidden;
}
.subnav-item-understand .chunk-2 .brand-list .item::after {
  display: inline-block;
  content: "";
  height: inherit;
  width: 0;
  vertical-align: middle;
}
.subnav-item-understand .chunk-2 .brand-list .item img {
  display: inline-block;
  vertical-align: middle;
  -webkit-transition-duration: 2s;
       -o-transition-duration: 2s;
          transition-duration: 2s;
}
.subnav-item-advantage .chunk-1 {
 /* padding-bottom: 2rem;
  border-bottom: 1px solid #666;*/
}
.subnav-item-advantage .chunk-1 .chunk-box {
  width: 40.5rem;
  margin-left: auto;
  margin-right: auto;
}
.subnav-item-advantage .chunk-1 .video {
  width: 40.5rem;
  height: 22.76666667rem;
  margin-bottom: 1.33333333rem;
}
.subnav-item-advantage .chunk-1 .video img {
  width: 100%;
}
.subnav-item-advantage .chunk-1 .title {
  color: #005694;
  font-size: 1.2rem;
  margin-bottom: 1.4rem;
}
.subnav-item-advantage .chunk-1 .sub-title {
  font-size: 0.6rem;
  margin-bottom: 1.66666667rem;
}
.subnav-item-advantage .chunk-1 .list .item {
  display: inline-block;
  width: 49.5%;
  vertical-align: top;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding-right: 2rem;
  font-size: 0.53333333rem;
  line-height: 36px;
  position: relative;
  padding-left: 0.66666667rem;
}
.subnav-item-advantage .chunk-1 .list .item .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 0.5rem;
  border-radius: 50%;
  background-color: #666666;
  position: absolute;
  left: 0;
  top: 16px;
}
.subnav-item-advantage .chunk-2 {
/*  padding-top: 2rem;
*/  padding-bottom: 2rem;
  position: relative;
}
.subnav-item-advantage .chunk-2 .bg {
  background-color: #f2f2f2;
  height: 10.66666667rem;
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 2;
}
.subnav-item-advantage .chunk-2 .chunk-box {
  position: relative;
  z-index: 20;
}
.subnav-item-advantage .chunk-2 .pic {
  z-index: 10;
  width: 21rem;
  padding-top: 2rem;
  padding-left: 0.4rem;
}
.subnav-item-advantage .chunk-2 .pic img {
  width: 100%;
}
.subnav-item-advantage .chunk-2 .content {
  z-index: 10;
  width: 23.33333333rem;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding-left: 1.2rem;
}
.subnav-item-advantage .chunk-2 .content .title {
  padding-top: 1rem;
  color: #005694;
  font-size: 0.8rem;
  margin-bottom: 1.4rem;
}
.subnav-item-advantage .chunk-2 .content .sub-title {
/*  font-size: 0.6rem;
*/ /* margin-bottom: 1rem;*/
  line-height: 1.06666667rem;
}
.subnav-item-advantage .chunk-2 .content .list .item {
  padding-top: 5px;
  vertical-align: top;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
/*  font-size: 0.53333333rem;
*/  position: relative;
  padding-left: 0.66666667rem;
  margin-bottom: 0.33333333rem;
}
.subnav-item-advantage .chunk-2 .content .list .item .dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 0.5rem;
  border-radius: 50%;
  background-color: #666666;
  position: absolute;
  left: 0;
  top: 10px;
}
.subnav-item-advantage .chunk-3 {
  padding-bottom: 2rem;
}
.subnav-item-advantage .chunk-3 .title {
  padding-top: 1rem;
  color: #005694;
  font-size: 0.8rem;
  margin-bottom: 1.4rem;
  text-align: center;
}
.subnav-item-advantage .chunk-3 .list {
  padding: 0 2rem;
  text-align: center;
}
.subnav-item-advantage .chunk-3 .list .item {
  display: inline-block;
  vertical-align: top;
  width: 13.33333333rem;
  margin-bottom: 1.5rem;
}
.subnav-item-advantage .chunk-3 .list .item img {
  display: inline-block;
  width: 3.33333333rem;
}
.subnav-item-advantage .chunk-3 .list .item .txt {
  margin-top: 0.66666667rem;
  margin-left: auto;
  margin-right: auto;
  width: 8.66666667rem;
}
.subnav-item-advantage .chunk-4 {
  background-color: #f2f2f2;
  padding-top: 1rem;
  padding-bottom: 2rem;
}
.subnav-item-advantage .chunk-4 .title {
  padding-top: 1rem;
  color: #005694;
  font-size: 0.8rem;
  margin-bottom: 1.4rem;
  text-align: center;
}
.subnav-item-advantage .chunk-4 .swiper-container {
  width: 45rem;
  padding-bottom: 2rem;
}
.subnav-item-advantage .chunk-4 .swiper-container .swiper-button-next,
.subnav-item-advantage .chunk-4 .swiper-container .swiper-button-prev {
  border-radius: 0.33333333rem;
  height: 3rem;
  width: 1.5rem;
  background-color: #E6E6E6;
  top: 2.66666667rem;
  margin-top: 0;
  background-image: url("../png/subnav-left.png");
  z-index: 10;
  cursor: pointer;
}
.subnav-item-advantage .chunk-4 .swiper-container .swiper-button-prev {
  left: 0;
}
.subnav-item-advantage .chunk-4 .swiper-container .swiper-button-next {
  background-image: url("../png/subnav-right.png");
  right: 0;
}
.subnav-item-advantage .chunk-4 .swiper-container .swiper-button-next.swiper-button-disabled,
.subnav-item-advantage .chunk-4 .swiper-container .swiper-button-prev.swiper-button-disabled {
  opacity: 0.95;
}
.subnav-item-advantage .chunk-4 .swiper-container .item {
  width: 14.2rem;
  /*height: 9.66666667rem;*/
  margin-left: auto;
  margin-right: auto;
  border: 1px solid #808080;
  background-color: #fff;
}
.subnav-item-advantage .chunk-4 .swiper-container .item .pic {
  height: 8rem;
  width: 100%;
  text-align: center;
}
.subnav-item-advantage .chunk-4 .swiper-container .item .pic::after {
  height: 100%;
  width: 0;
  display: inline-block;
  content: "";
  vertical-align: middle;
}
.subnav-item-advantage .chunk-4 .swiper-container .item .pic img {
  width: 10rem;
  height: 6.5rem;
  display: inline-block;
  vertical-align: middle;
  -webkit-box-shadow: 0 0 10px #999;
          box-shadow: 0 0 10px #999;
  cursor: pointer;
}
.subnav-item-advantage .chunk-4 .swiper-container .item .txt {
  border-top: 1px solid #808080;
  padding-top: 0.33333333rem;
  text-align: center;
  color: #005694;
  height: 3.3rem;
}
.subnav-item-culture .chunk-1 .pic-box {
/*  width: 40.6rem;
*/  margin: 0 auto;
  padding-bottom: 2rem;
  border-bottom: 1px dashed #ccc;
}
.subnav-item-culture .chunk-1 .pic-box .pic-item {
  width: 22.4rem;
  position: relative;
}
.subnav-item-culture .chunk-1 .pic-box .pic-item img {
  width: 100%;
}
.subnav-item-culture .chunk-1 .pic-box .pic-item .pic-info {
  background: #0078C8;
  opacity: .8;
  position: absolute;
  color: #fff;
  width: 21rem;
  height: 5.2rem;
  left: 0.7rem;
  bottom: 1rem;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0.66666667rem 0.8rem;
}
.subnav-item-culture .chunk-1 .pic-box .pic-item .pic-info .info-title {
  font-size: 0.66666667rem;
  margin-bottom: 3px;
}
.subnav-item-culture .chunk-1 .pic-box .pic-item .pic-info .info-txt {
/*  font-size: 0.53333333rem;
*/  line-height: 1.06666667rem;
}
.subnav-item-culture .chunk-2 .list {
  margin: 0 auto;
  padding-bottom: 2rem;
}
.subnav-item-culture .chunk-2 .list .list-item {
  float: left;
  width: 11.2rem;
  text-align: center;
}
.subnav-item-culture .chunk-2 .list .list-item .circle {
  width: 5.5rem;
  height: 5.5rem;
  border: 1px solid #666;
  overflow: hidden;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
}
.subnav-item-culture .chunk-2 .list .list-item .circle .title-cn {
  margin-top: 2.2rem;
  margin-bottom: 0.8rem;
  font-size: 0.6rem;
}
.subnav-item-culture .chunk-2 .list .list-item .circle .title-en {
  font-size: 0.46666667rem;
}
.subnav-item-culture .chunk-2 .list .list-item .txt {
  width: 9rem;
  text-align: left;
  margin: 0 auto;
  margin-top: 0.66666667rem;
  margin-left: 1.8rem;
}
.subnav-item-culture .chunk-2 .list .list-item.active {
  color: #11659E;
}
.subnav-item-culture .chunk-2 .list .list-item.active .circle {
  border-color: #11659E;
}
.subnav-item-culture .chunk-3 {
  background: #f2f2f2;
  padding-bottom: 1rem;
}
.subnav-item-culture .chunk-3 .content {
  margin: 0 auto;
  width: 44rem;
}
.subnav-item-culture .chunk-3 .content .pic {
  width: 22.8rem;
}
.subnav-item-culture .chunk-3 .content .pic img {
  width: 100%;
}
.subnav-item-culture .chunk-3 .content .info {
  width: 21.2rem;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding-left: 1.5rem;
}
.subnav-item-culture .chunk-3 .content .info .item {
  margin-bottom: 1.7rem;
}
.subnav-item-culture .chunk-3 .content .info .item .title {
  color: #005694;
  font-size: 0.66666667rem;
  margin-bottom: 0.5rem;
}
.subnav-item-culture .chunk-3 .content .info .item .txt {
  line-height: 1.13333333rem;
/*  font-size: 0.46666667rem;
*/}
.subnav-item-history .chunk-1 {
  padding: 5rem 0rem 5rem 5rem;
  overflow: hidden;
}
.subnav-item-history .chunk-1 .dot-box .list {
/*  width: 3.66666667rem;
*/  position: relative;
}
.subnav-item-history .chunk-1 .dot-box .list .item {
  margin-bottom: 3rem;
  font-size: 0.66666667rem;
  position: relative;
  padding-left: 1.66666667rem;
}
.subnav-item-history .chunk-1 .dot-box .list .item.active {
  color: #005694;
  font-size: 0.8rem;
}
.subnav-item-history .chunk-1 .dot-box .list .item.active .circle-b {
  border-color: #005694 ;
}
.subnav-item-history .chunk-1 .dot-box .list .item.active .circle-s {
  background: #005694;
}
.subnav-item-history .chunk-1 .dot-box .list .circle-b {
  position: absolute ;
  top: 0.16666667rem;
  left: 0;
  z-index: 50;
  background: #fff;
  display: inline-block;
  width: 0.86666667rem;
  height: 0.86666667rem;
  border-radius: 50%;
  cursor: pointer;
  border: 1px solid #666;
  text-align: center;
  overflow: hidden;
}
.subnav-item-history .chunk-1 .dot-box .list .circle-s {
  display: inline-block;
  width: 0.53333333rem;
  height: 0.53333333rem;
  border-radius: 50%;
  background: #666;
  margin-top: -0.3rem;
  position: absolute;
  top: 0.43333333rem;
  left: 0.13333333rem;
}
.subnav-item-history .chunk-1 .dot-box .list .line {
  width: 1px;
  height: 16.33333333rem;
  background: #666;
  position: absolute;
  top: 0.2rem;
  left: 0.43333333rem;
  z-index: 10;
}
.subnav-item-history .chunk-1 .content-box {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  width: 23rem;
  padding-left: 1.6rem;
}
.subnav-item-history .chunk-1 .content-box .content-item p {
/*  font-size: 0.53333333rem;
*/  line-height: 1rem;
  margin-bottom: 1.33333333rem;
}
.txt-uppercase {
  text-transform: uppercase !important;
}