.header-placeholder {
  height: 0;
}

.section1 .swiper {
  height: 100vh;
}

.section1 .swiper .swiper-slide {
  position: relative;
  overflow: hidden;
}

.section1 .swiper .swiper-slide .slide-img,
.section1 .swiper .swiper-slide .slide-video {
  width: inherit;
  height: inherit;
  object-fit: cover;
}

.section1 .swiper .swiper-slide .slide-title {
  position: absolute;
  left: -5.3333vw;
  top: calc(50vh - 31.4vw - 4vw);
  width: 62.8vw;
  height: 62.8vw;
  padding: 0 2vw 0 7vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: rgba(131, 131, 131, 0.7);
  border-radius: 50%;
  z-index: 9999;
}

.section1 .swiper .swiper-slide .slide-title .en {
  font-size: 1.9792vw;
  font-size: clamp(16px, 6.4vw, 48px);
  line-height: 1.2;
  color: #fff;
}

.section1 .swiper .swiper-slide .slide-title .cn {
  margin-top: 1.5625vw;
  font-size: 20px;
  font-size: clamp(14px, 3.6vw, 24px);
  color: #fff;
  line-height: 1.2;
}

.section1 .swiper .swiper-pagination-bullets {
  bottom: 8vw;
}

.section1 .swiper .swiper-pagination-bullets .swiper-pagination-bullet {
  margin: 0;
  width: 10vw;
  height: 3px;
  background-color: #cac9c5;
  border-radius: 0;
}

.section1
  .swiper
  .swiper-pagination-bullets
  .swiper-pagination-bullet.swiper-pagination-bullet-active {
  background-color: #236bb5;
}

.section2 {
  padding: 12vw 4vw 0;
}

.section2 .en-title {
  font-size: clamp(15px, 4vw, 30px);
  color: #071221;
}

.section2 .cn-title {
  margin-top: 2vw;
  font-size: clamp(12px, 2.6667vw, 20px);
  color: #071221;
}

.section2 .items {
  margin-top: 12vw;
  display: flex;
  flex-wrap: wrap;
  gap: 12vw 0;
}

.section2 .items .item {
  width: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section2 .items .item > img {
  width: 12.6667vw;
  height: 12.6667vw;
}

.section2 .items .item .name {
  margin-top: 1vw;
  font-size: clamp(15px, 4vw, 30px);
  font-weight: 600;
  color: #0b0708;
}

.section2 .items .item .desc {
  margin-top: 0.7812vw;
  font-size: clamp(10px, 2.4vw, 18px);
  color: #0b0708;
  text-align: center;
  line-height: 2;
}

.section2 .items .item .desc p {
  margin: 0;
}

.section2 .data-end {
  margin-top: 12vw;
  font-size: clamp(12px, 2.4vw, 18px);
}

.section2 .data-end span {
  width: fit-content;
  display: block;
  transform-origin: left center;
}

.section-brand {
  padding: 24vw 4vw 0;
}

.section-brand .en-title {
  font-size: clamp(15px, 4vw, 30px);
  color: #071221;
}

.section-brand .cn-title {
  margin-top: 2vw;
  font-size: clamp(12px, 2.6667vw, 20px);
  color: #071221;
}

.section-brand .swiper {
  margin-top: 6vw;
}

.section-brand .swiper .swiper-slide {
  width: 34%;
}

.section-brand .swiper .swiper-slide .img {
  overflow: hidden;
}

.section-brand .swiper .swiper-slide .img img {
  width: 100%;
  object-fit: cover;
}

.section-brand .swiper .swiper-slide .title {
  margin-top: 6vw;
  font-size: clamp(15px, 4vw, 30px);
  color: #0b0708;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.section-brand .swiper .swiper-slide .desc {
  margin-top: 4vw;
  font-size: clamp(12px, 2.4vw, 18px);
  line-height: 1.5;
}

.section-brand .swiper .swiper-slide .desc > p {
  margin: 0;
}

.section3 {
  padding: 15vw 4vw 0;
}

.section3 .en-title {
  font-size: clamp(15px, 4vw, 30px);
  color: #071221;
}

.section3 .cn-title {
  margin-top: 2vw;
  font-size: clamp(12px, 2.6667vw, 20px);
  color: #071221;
}

.section3 .flex-info {
  margin-top: 8vw;
  display: flex;
  justify-content: space-between;
}

.section3 .flex-info .tabs {
  flex-shrink: 0;
  padding: 6vw 0 0;
  display: flex;
  flex-direction: column;
  gap: 6vw;
}

.section3 .flex-info .tabs .tab {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.section3 .flex-info .tabs .tab .img {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section3 .flex-info .tabs .tab .img > img {
  width: 8vw;
  height: 8vw;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(239, 239, 239, 0.5);
  border-radius: 50%;
  border: 1px solid #efefef;
  width: inherit;
  opacity: 0.5;
}

.section3 .flex-info .tabs .tab.active .img > img {
  background-color: rgba(239, 239, 239, 1);
  border: 1px solid #4f4c4d;
  opacity: 1;
}

.section3 .flex-info .tabs .tab .name {
  margin-top: 1.2vw;
  font-weight: 500;
  font-size: clamp(12px, 2.4vw, 18px);
  color: #0b0708;
}

.section3 .flex-info .tabs .tab::after {
  content: "";
  width: 0;
  height: 1px;
  background-color: #0b0708;
  transition: all 0.5s;
}

.section3 .flex-info .tabs .tab.active::after {
  width: 8vw;
}

.section3 .flex-info .swiper {
  width: 64vw;
  margin-left: 3.2vw;
  margin-right: 0;
}

.section3 .flex-info .swiper-slide .slide-img {
  width: 64vw;
  height: 64vw;
  border-radius: 40px;
  object-fit: cover;
}

.section3 .flex-info .swiper-slide .slide-info {
  padding: 2.5vw 0 1.25vw 3vw;
  display: flex;
  flex-direction: column;
}

.section3 .flex-info .swiper-slide .slide-info .slide-title {
  font-weight: 500;
  font-size: clamp(16px, 4.2667vw, 32px);
  color: #0b0708;
}

.section3 .flex-info .swiper-slide .slide-info .slide-desc {
  margin-top: 4vw;
  font-size: clamp(12px, 2.4vw, 18px);
  line-height: 1.5;
}

.section3 .flex-info .swiper-slide .slide-info .btn-more {
  margin-top: 10vw;
  width: fit-content;
  height: 5.3333vw;
  padding: 0 4vw;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #4e4d4d;
  border-radius: 25px;
  font-size: clamp(12px, 2.6667vw, 20px);
  color: #4e4d4d;
}

.section3 .flex-info .swiper-slide .slide-info .btn-more:hover {
  background-color: #4e4d4d;
  color: #fff;
}

.section4 {
  padding: 20vw 4vw 0;
}

.section4 .news-title {
  font-size: clamp(24px, 6vw, 45px);
}

.section4 .news-class {
  margin-top: 8vw;
  display: flex;
  gap: 0 3.2vw;
}

.section4 .news-class .item {
  height: 7.2vw;
  padding: 0 6vw;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #4e4d4d;
  border-radius: 25px;
  font-size: clamp(12px, 3.2vw, 24px);
  color: #4e4d4d;
  cursor: pointer;
}

.section4 .news-class .item.active {
  background-color: #4e4d4d;
  color: #fff;
}

.section4 .news-list {
  margin-top: 8vw;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.section4 .news-list .item {
  width: 42.6667vw;
  margin-bottom: 10vw;
}

.section4 .news-list .item:nth-child(n + 7) {
  display: none;
}

.section4 .news-list .item .img {
  overflow: hidden;
}

.section4 .news-list .item .img img {
  width: 100%;
  aspect-ratio: 320 / 204;
  object-fit: cover;
}

.section4 .news-list .item .title {
  margin-top: 2vw;
  font-size: clamp(16px, 3.2vw, 24px);
  color: #0b0708;
  font-family: SourceHanSansSC-Medium;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.section4 .news-list .item .desc {
  margin-top: 2vw;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  font-size: clamp(12px, 2.4vw, 18px);
  line-height: 1.5;
}

.section5 {
  padding: 16vw 4vw 0;
}

.section5 .apps {
  height: 32vw;
  padding: 6vw 10vw;
  background-color: #f7f7f7;
}

.section5 .apps .name {
  font-size: clamp(12px, 2.4vw, 18px);
  color: #4e4d4d;
}

.section5 .apps .imgs {
  margin-top: 8vw;
  display: flex;
  align-items: center;
  gap: 4vw;
}

.section5 .apps .imgs .img {
  position: relative;
}

.section5 .apps .imgs .img > img {
  width: 8vw;
  height: 8vw;
}

.section5 .apps .imgs .img:hover .popover {
  display: block;
}

.section5 .apps .imgs .img .qrcode {
  width: 120px;
  height: 120px;
  padding: 10px;
}

.section5 .apps .imgs .img .qrcode img {
  width: 100px;
  height: 100px;
}

.popover {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-10px);
  background-color: #fff;
  box-shadow: 0 6px 16px 0 rgba(0, 0, 0, 0.08),
    0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
  display: none;
}

.popover::before {
  content: "";
  width: 10px;
  height: 10px;
  position: absolute;
  top: calc(100% - 5px);
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  background-color: inherit;
}

.video-js .vjs-tech{
	object-fit: cover !important;
	outline: none !important;
}