.subnav__wrapper {
  position: absolute;
  top: 60px;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.5);
  z-index: 333;
}

.subnav__list {
  display: flex;
  max-height: 86px;
  flex-wrap: wrap;
  padding: 0 50px 0 170px;
  font-size: 18px;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.expandable__btn--collapse {
  display: none;
}
.expandable-wrapper.expanded .expandable-panel {
  max-height: 200px;
}
.expandable-wrapper.expanded .expandable__btn--expand {
  display: none;
}
.expandable-wrapper.expanded .expandable__btn--collapse {
  display: block;
}


.subnav__item {
  box-sizing: content-box;
  width: 130px;
  height: 50px;
  padding: 18px 0;
}

.subnav__item a {
  display: block;
  height: 100%;
  border-right: 1px solid var(--color-text-primary);
  text-align: center;
  line-height: 50px;
  font-size: 18px;
}
.subnav__item:nth-child(6n) a {
  border-right: none;
}
.subnav__item a:hover {
  color: var(--color-primary);
}
.subnav__toggle {
  position: absolute;
  right: 70px;
  top: 30px;
}
.subnav__toggle .iconfont {
  font-size: 24px;
  cursor: pointer;
}

.subnav__toggle .iconfont:hover {
  color: var(--color-primary);
}

.thumb-slide {
  position: relative;
  height: 750px;
  overflow: hidden;
}

.thumb-slide__slides {
  position: relative;
  width: 100%;
  height: 600px;
}

.thumb-slide__item {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  /* opacity: 0; */
  transition: all 0.4s ease;
  overflow: hidden;
}
.thumb-slide__item.active {
  /* opacity: 1; */
  z-index: 1;
}

.thumb-slide__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


.thumb-slide__indicators {
  display: flex;
  justify-content: space-between;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 310px;
  border-top: 1px solid var(--color-text-on-dark);
  z-index: 99;
}

.thumb-slide__indicator {
  position: relative;
  width: 350px;
}

.thumb-slide__indicator-line {
  position: absolute;
  top: -2px;
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-text-on-dark);
  visibility: hidden;
}

.thumb-slide__indicators
  .thumb-slide__indicator:nth-child(1)
  .thumb-slide__indicator-line {
  width: 365px;
}
.thumb-slide__indicators
  .thumb-slide__indicator:nth-child(2)
  .thumb-slide__indicator-line {
  width: 380px;
  left: -15px;
}
.thumb-slide__indicators
  .thumb-slide__indicator:nth-child(3)
  .thumb-slide__indicator-line {
  width: 365px;
  left: -15px;
}
.thumb-slide__indicator-line--active {
  visibility: visible;
}

.thumb-slide__indicator-title {
  height: 70px;
  padding-top: 30px;
  font-size: 20px;
  font-weight: normal;
  color: var(--color-text-on-dark);
}


.thumb-slide__indicator-img {
  display: block;
  width: 100%;
  height: 220px;
  border-radius: var(--border-radius-base);
  overflow: hidden;
  transition: var(--transition-shadow);
}
.thumb-slide__indicator.active .thumb-slide__indicator-img {
  box-shadow: var(--color-shadow-default);
}
.thumb-slide__indicator-img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: var(--transition-transform);
}
.thumb-slide__indicator.active img {
  transform: scale(var(--scale-ratio));
}

/* sectin */
.section__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.section__title {
  font-size: 30px;
  font-weight: bold;
  color: var(--color-text-primary);
}

.section__more {
  display: flex;
  width: 20px;
  height: 20px;
  padding-left: 2px;
  justify-content: center;
  align-items: center;
  color: var(--color-text-on-dark);
  background-color: var(--color-primary);
  border-radius: 50%;
}

.section__more .iconfont {
  font-size: 14px;
}

.grid-news {
  display: flex;
  justify-content: space-between;
}

.grid-news__left {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-content: space-between;
  width: 730px;
}

.tadnews-card {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: var(--color-bg-surface);
  border-radius: var(--border-radius-base);
  box-shadow: var(--color-shadow-default);
  height: 130px;
  padding: 20px;
}

.tadnews-card__title {
  font-size: 20px;
}

.tadnews-card__desc {
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.tnews-card {
  /*display: flex;*/
  /*flex-direction: column;*/
  /*justify-content: space-between;*/
  width: 350px;
  height: 380px;
  background-color: var(--color-bg-surface);
  border-radius: var(--border-radius-base);
  box-shadow: var(--color-shadow-default);
  font-size: 16px;
  padding: 20px;
}

.tnews-card__item {
    margin-bottom: 13px;
}

.tnews-card__item:last-child {
    margin-bottom: 0;
}

.tnews-card .tnews-card__item:nth-child(4n) {
  font-size: 18px;
  font-weight: bold;
}
.tnews-card__link:hover {
  color: var(--color-primary);
}

.spnew-card {
  width: 350px;
  height: 380px;
  background-color: var(--color-bg-surface);
  border-radius: var(--border-radius-base);
  box-shadow: var(--color-shadow-default);
  overflow: hidden;
}

.spnew-card__link {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  
}

.spnew-card__pic {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spnew-card__title {
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  width: 100%;
  height: 76px;
  padding: 0 35px 0 15px;
  color: var(--color-text-on-dark);
  background-color: var(--color-bg-overlay);
  border-radius: var(--border-radius-base);
}

.spnew-card__title .iconfont {
  font-size: 36px;
  position: absolute;
  right: 5px;
  top: 20px;
  color: var(--color-text-on-dark);
}

.grid-news__right {
  width: 350px;
}

/* 水平图文卡片 */
.hnews-card {
  height: 530px;
  padding: 15px;
  background-color: var(--color-bg-surface);
  border-radius: var(--border-radius-base);
  box-shadow: var(--color-shadow-default);
}

.hnews-card__item {
  width: 320px;
  height: 110px;
  margin-bottom: 20px;
}
.hnews-card__item:last-child {
    margin-bottom: 0;
}

.hnews-card__link {
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 100%;
}

.hnews-card__pic {
  display: block;
  width: 160px;
  height: 100%;
  border-radius: var(--border-radius-base);
  overflow: hidden;
}

.hnews-card__pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hnews-card__title {
  width: 150px;
  padding-top: 10px;
  line-height: 18px;
}

/* 图文遮罩卡片 */
.overnews-card {
  /*display: flex;*/
  height: 230px;
  /*justify-content: space-between;*/
}

.overnews-card__item {
  width: 350px;
  height: 100%;
  margin-right: 30px;
}

.overnews-card__item:last-child {
    margin-right: 0;
}

.overnews-card__link {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: var(--border-radius-base);
  box-shadow: var(--color-shadow-default);
  overflow: hidden;
}

.overnews-card__pic {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.overnews-card__pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.overnews-card__title {
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  width: 100%;
  height: 76px;
  padding: 0 35px 0 15px;
  line-height: 20px;
  color: var(--color-text-on-dark);
  background-color: var(--color-bg-overlay);
  border-radius: var(--border-radius-base);
}

.overnews-card__title .iconfont {
  font-size: 36px;
  position: absolute;
  right: 5px;
  top: 20px;
  color: var(--color-text-on-dark);
}

.full-banner {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 600px;
  overflow: hidden;
  z-index: 3;
}

.video-card {
  position: relative;
  z-index: 5;
}

.video-card__title {
  height: 120px;
  padding-left: 15px;
  line-height: 120px;
  font-size: 24px;
  font-weight: bold;
  color: var(--color-text-on-dark);
}
.video-card__video {
  border-radius: var(--border-radius-base);
  background: #000;
  overflow: hidden;
  width: 1110px;
  height: 680px;
}

.text-card {
  display: flex;
  flex-wrap: wrap;
  height: 540px;
  gap: 30px;
}

.text-card__item {
  width: 255px;
  height: 255px;
}

.text-card__link {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;

  border-radius: var(--border-radius-base);
  box-shadow: var(--color-shadow-default);
  position: relative;
}

.text-card__info {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-surface);
  border-radius: var(--border-radius-base);
}

.text-card__text {
  font-size: 24px;
  font-weight: bold;
  color: var(--color-text-link);
}

.text-card__line {
  width: 120px;
  height: 10px;
  margin-top: 10px;
  background-color: var(--color-primary);
}

.text-card__pic {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
}

.text-card__pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.text-card__desc {
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  width: 100%;
  height: 76px;
  padding: 0 35px 0 15px;
  color: var(--color-text-on-dark);
  background-color: var(--color-bg-overlay);
  border-radius: var(--border-radius-base);
}

.text-card__link:hover {
  box-shadow: var(--color-shadow-hover);
}

.text-card__link:hover .text-card__info {
  background-color: transparent;
  border: 2px solid var(--color-primary);
}

.text-card__link:hover .text-card__text {
  position: absolute;
  left: 0;
  top: 30px;
  width: 90px;
  height: 30px;
  text-align: center;
  line-height: 28px;
  font-size: 18px;
  font-weight: normal;
  color: var(--color-text-on-dark);
  background-color: var(--color-primary);
  border-top-right-radius: 15px;
  border-bottom-right-radius: 15px;
}

.text-card__link:hover .text-card__line {
  visibility: hidden;
}

.image-card {
  display: flex;
  align-items: center;
  height: 320px;
  padding: 30px 0;
}

.image-card__item {
  width: 277.5px;
  height: 260px;
}

.image-card__link {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-surface);
  border-radius: var(--border-radius-base);
  overflow: hidden;
}

.image-card__pic {
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.image-card__pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-card__info {
  position: relative;
  padding: 10px;
  z-index: 100;
}

.image-card__icon {
  display: flex;
  height: 100px;
  align-items: center;
  justify-content: center;
  
}
.image-card__title {
  width: 100%;
  font-size: 24px;
  text-align: center;
}

.image-card__line {
  display: block;
  width: 40px;
  height: 2px;
  margin: 20px auto 0;
  background-color: var(--color-primary);
}

.image-card__desc {
  margin-top: 20px;
  margin-bottom: 10px;
  height: 60px;
  font-size: 16px;
  line-height: 20px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  /* color: var(--color-text-secondary); */
}


.image-card__link:hover {
  transform: scale(1.15);
  background-color: var(--color-secondary);
  box-shadow: var(--color-shadow-hover);
  z-index: 99;
}

.image-card__link:hover .image-card__pic {
  display: block;
}

.image-card__link:hover .image-card__title {
  padding-top: 160px;
  font-size: 30px;
  font-weight: bold;
  color: var(--color-text-on-dark);
}

.image-card__link:hover .image-card__line {
  width: 136px;
  height: 6px;
  margin-top: 10px;
  background-color: var(--color-text-on-dark);
}

.image-card__link:hover .image-card__icon, .image-card__link:hover .image-card__desc {
  display: none;
}

/* 手风琴卡片 */
.accordion-card {
  display: flex;
  height: 540px;
}

.accordion-card__item {
  flex: 1;
  position: relative;
  overflow: hidden;
  border-radius: var(--border-radius-base);
  cursor: pointer;
  transition: flex 0.6s ease;
  
}

.accordion-card__item:not(:first-child) {
  margin-left: -30px;
}

/* 展开状态 */
.accordion-card__item.active {
  flex: 6;
}

/* 折叠状态 */
.accordion-card__item:not(.active) {
  flex: 1;
}

.accordion-card__link {
  display: block;
  width: 100%;
  height: 100%;
}

.accordion-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.accordion-card__item:hover .accordion-card__img {
  transform: scale(1.1);
}

/* 文字内容 */
.accordion-card__title {
  position: absolute;
  left: 0;
  bottom: 0;
  font-size: 30px;
  font-weight: normal;
  color: var(--color-text-on-dark);
}

/* 折叠状态 - 文字竖排居中 */
.accordion-card__item:not(.active) .accordion-card__title {
  width: 160px;
  height: 100%;
  padding: 100px 90px 0 30px;
  background-color: rgba(0, 0, 0, 0.6);
  opacity: 0.8;
}

/* 展开状态 - 文字横排 */
.accordion-card__item.active .accordion-card__title {
  position: absolute;
  display: flex;
  align-items: center;
  width: 100%;
  height: 80px;
  padding: 0 35px 0 15px;
  background-color: var(--color-bg-overlay);
  border-radius: var(--border-radius-base);
}

.accordion-card__item .accordion-card__title h3 {
  font-size: 20px;
  margin: 0;
}

.elevator-nav {
    position: fixed;
    width: 58px;    
    top: 50%;
    transform: translateY(-50%);
    right: 100px;
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius-base);
    background-color: var(--color-bg-base);
    box-shadow: var(--color-shadow-default);
    overflow: hidden;
    z-index: 999;
}
.elevator-nav_2 {
  width: 80px;
}
.elevator-nav__list {
    padding: 5px 0;
}
.elevator-nav__link {
  display: block;
  width: 100%;
  padding: 5px 14px;
}

.elevator-nav__link:hover {
  color: var(--color-primary);
}

.elevator-nav__item.active .elevator-nav__link {
  background-color: var(--color-primary);
  color: var(--color-text-on-dark);
}

.elevator-nav__totop {
    height: 50px;
    justify-content: center;
    background-color: var(--color-primary);
    color: var(--color-text-on-dark);
}

.elevator-nav__totop .icon-dayuhao{
  font-size: 42px;
}