.banner-container {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 800px;
}
.banner-container .banner-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  cursor: pointer;
}
.banner-container .banner-slide.active {
  opacity: 1;
}
.banner-container .banner-slide img {
  object-fit: cover;
  position: absolute;
  height: 100%;
  /* 高度铺满 */
  width: auto;
  /* 宽度自动按比例缩放 */
  top: 0;
  /* 纵向从0开始 */
  right: 0;
  /* 横向从最右边开始 */
  min-width: 100%;
  min-height: 100%;
}
.banner-container .banner-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 5%;
  background: linear-gradient(to right, rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.3));
}
.banner-container .banner-indicators {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.banner-container .banner-indicator {
  width: 120px;
  height: 4px;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}
.banner-container .banner-indicator.active {
  background-color: #f4b01a;
}
.product-section {
  padding: 120px 0;
  /* 宽度铺满，高度自适应 */
}
.product-section.h-840 {
  min-height: 840px;
  background: url(../imgs/index/middle.png) center no-repeat;
  background-size: cover;
}
.product-section.h-800 {
  min-height: 800px;
  background: url(../imgs/index/bottom.png) center no-repeat;
  background-size: cover;
}
.product-section .section-title {
  font-weight: 500;
  font-size: 56px;
  line-height: 64px;
  text-align: center;
  color: #FFFFFF;
  max-width: 1200px;
  margin: auto;
}
.product-section .section-desc {
  font-weight: 300;
  font-size: 24px;
  line-height: 32px;
  text-align: center;
  color: #FFFFFF;
  margin: 24px auto 0;
  max-width: 1200px;
}
.product-section .item-container {
  width: 1200px;
  margin: 48px auto 0;
}
.product-section .item-container .desc-item {
  flex-grow: 1;
  width: 23%;
  padding: 24px 48px 0;
}
.product-section .item-container .desc-item + .desc-item {
  border-left: 1px solid #F4B01A;
}
.product-section .item-container .item-icon {
  width: 56px;
}
.product-section .item-container .item-title {
  font-weight: 300;
  font-size: 20px;
  text-align: center;
  color: #FFFFFF;
  margin-top: 24px;
}
.product-section .item-container .item-content {
  font-weight: 200;
  font-size: 14px;
  line-height: 2.4;
  color: #FFFFFF;
  margin-top: 32px;
  text-align: justify;
}
.product-section .item-container .item-content.eng-part {
  line-height: 20px;
  text-align: left;
}
.product-section .service-btn {
  width: 186px;
  height: 48px;
  border-radius: 4px;
  margin: 48px auto 0;
  font-weight: 500;
}
.product-section .service-btn.eng-part {
  width: 251px;
}
.product-section .service-desc {
  text-align: center;
  font-weight: 200;
  font-size: 16px;
  line-height: 22px;
  color: #EEEEEE;
  margin-top: 10px;
}
.news-container {
  width: 1200px;
  margin: 48px auto 0;
}
.section-title-chn {
  font-weight: 500;
  font-size: 40px;
  line-height: 56px;
  text-align: center;
  color: #231815;
}
.section-title-line {
  width: 32px;
  height: 4px;
  background-color: #F4B01A;
  margin: 12px auto 0;
}
.news-img {
  width: 600px;
  height: 450px;
  flex-shrink: 0;
}
.news-img img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
.news-list {
  padding: 0 48px;
  row-gap: 24px;
}
.news-list .news-item {
  gap: 24px;
}
.news-list .news-item + .news-item {
  margin-top: 24px;
}
.news-list .news-item .desc-content {
  display: none;
  transition: all 300ms linear;
}
.news-list .news-item.news-active .desc-content {
  display: block;
}
.news-list .news-item.news-active .arrow-up {
  display: block;
}
.news-list .news-item.news-active .arrow-down {
  display: none;
}
.news-list .news-item .arrow-down {
  display: block;
}
.news-list .news-item .arrow-up {
  display: none;
}
.news-list .news-item:hover {
  cursor: pointer;
}
.news-list .news-item .news-title {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  letter-spacing: 1.2px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  box-orient: vertical;
}
.news-list .news-item .news-desc {
  margin-top: 4px;
  font-weight: 300;
  font-size: 14px;
  line-height: 20px;
  letter-spacing: 1.2px;
  color: #666666;
  width: 448px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-list .news-item .news-more {
  font-weight: 300;
  font-size: 16px;
  line-height: 24px;
  letter-spacing: 1.2px;
  color: #F4B01A;
  margin-top: 4px;
}
.news-list .news-item .news-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
}
.news-list .button-more {
  width: 146px;
  height: 40px;
  border: 1px solid #F4B01A;
  outline: none;
  border-radius: 5px;
  color: #000000;
  gap: 4px;
}
.news-list .button-more.eng-flex {
  width: 161px;
}
.news-list .button-more .chevron-right {
  width: 16px;
  height: 16px;
}
.culture-section {
  padding-top: 258px;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #FFFFFF;
}
.culture-section .culture-title {
  font-weight: 300;
  font-size: 32px;
  line-height: 40px;
}
.culture-section .large-text {
  font-weight: 500;
  font-size: 48px;
  line-height: 56px;
}
.culture-section .small-text {
  font-weight: 300;
  font-size: 18px;
  line-height: 26px;
}
.culture-section .small-text.eng-part {
  margin-left: 12px;
}
.culture-section .culture-desc {
  font-weight: 200;
  font-size: 16px;
  line-height: 32px;
  margin-top: 24px;
  width: 560px;
}
.culture-section .button-container {
  margin-top: 24px;
  gap: 20px;
}
.culture-section .more-button {
  width: 180px;
  height: 44px;
  border-radius: 5px;
  border: 1px solid #FFFFFF;
  gap: 12px;
  cursor: pointer;
}
.culture-section .more-button.videoButton.eng-flex {
  width: 211px;
}
.culture-section .more-button img {
  width: 22px;
}
.culture-section .more-button img.arrow-icon {
  width: 14px;
  margin-left: -4px;
}
.mam-part.eng-flex {
  flex-direction: column;
  align-items: start;
}
.mobile-news-container {
  display: none;
  margin-top: 24px;
  /* 指示器 */
}
.mobile-news-container .news-slider-container {
  position: relative;
  width: 100%;
  height: 353px;
  overflow: hidden;
  background-color: #ffffff;
}
.mobile-news-container .news-slider {
  display: flex;
  height: 100%;
  transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.mobile-news-container .news-slide {
  min-width: 100%;
  height: 100%;
  position: relative;
}
.mobile-news-container .news-slide-img {
  width: 100%;
  height: 246px;
  object-fit: cover;
}
.mobile-news-container .news-slide-title {
  padding: 16px 16px 4px;
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
  letter-spacing: 1.2px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  box-orient: vertical;
}
.mobile-news-container .news-slide-more {
  color: #F4B01A;
  padding: 0 16px;
}
.mobile-news-container .news-indicators {
  display: flex;
  justify-content: center;
  margin-top: 24px;
  gap: 8px;
  padding: 16px;
}
.mobile-news-container .news-indicator {
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background-color: #ffffff;
  cursor: pointer;
  transition: all 0.3s ease;
}
.mobile-news-container .news-indicator.active {
  background-color: #F4B01A;
  width: 80px;
}
@media (max-width: 1199px) {
  .banner-container {
    height: 480px;
  }
  .product-section {
    padding-top: 96px;
  }
  .product-section.h-810 {
    padding: 48px 24px;
    background-color: #eeeeee !important;
  }
  .product-section.h-800 {
    min-height: 644px;
  }
  .product-section.culture-section {
    padding: 144px 24px 0;
  }
  .product-section.culture-section .eng-flex .large-text {
    line-height: 50px;
  }
  .product-section.culture-section .eng-flex .small-text {
    line-height: 20px;
  }
  .product-section.culture-section .culture-desc {
    width: auto;
    text-align: justify;
  }
  .product-section.culture-section .culture-desc.eng-part {
    text-align: left;
    line-height: 22px;
    margin-top: 30px;
  }
  .product-section.culture-section .button-container {
    flex-direction: column;
  }
  .product-section.culture-section .button-container .more-button {
    width: 100%;
  }
  .product-section .section-title {
    padding: 0 24px;
    font-size: 24px;
    line-height: 32px;
  }
  .product-section .section-desc {
    font-size: 16px;
    line-height: 24px;
    margin: 24px 24px 0;
  }
  .product-section .section-desc.chn-part {
    margin-top: 12px;
  }
  .product-section .item-container {
    width: 100%;
    flex-direction: column;
    margin-top: 24px;
    padding: 0 24px;
  }
  .product-section .item-container .desc-item {
    width: 100%;
    padding: 16px;
  }
  .product-section .item-container .desc-item + .desc-item {
    border: none;
  }
  .product-section .item-container .item-content {
    line-height: 24px;
    font-size: 16px;
  }
  .product-section .service-btn {
    margin-top: 24px;
  }
  .product-section .news-container {
    flex-direction: column;
    display: none !important;
  }
  .news-img {
    width: 100%;
    height: auto;
  }
  body.chn .news-list,
  body.eng .news-list {
    padding: 16px;
    background-color: #FFFFFF;
  }
  body.chn .new-list-root,
  body.eng .new-list-root {
    display: flex;
    flex-wrap: nowrap;
    overflow: hidden;
  }
  body.chn .new-list-root .news-item,
  body.eng .new-list-root .news-item {
    width: 100%;
    flex-shrink: 0;
  }
  body.chn .new-list-root .news-item .news-title,
  body.eng .new-list-root .news-item .news-title {
    color: #333333;
  }
  body.chn .new-list-root .news-item .news-icon,
  body.eng .new-list-root .news-item .news-icon {
    display: none;
  }
  body.chn .button-more,
  body.eng .button-more {
    display: none !important;
  }
  .mobile-news-container {
    display: block;
    width: 100%;
  }
}