.tongda_history_info {
  position: relative;
  --tongda-history-swiper-height: 48rem;
  padding: 3.4375rem 0px 0.5rem 0px;
  background: #f6f6f6;
  overflow: hidden;
}

.tongda_history_info .container {
  position: relative;
  z-index: 1;
}

.tongda_history_info_layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5rem;
  align-items: center;
}

.tongda_history_info_years {
  position: relative;
  min-width: 0;
  align-self: center;
}

.tongda_history_info_year_circle {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  display: block;
  width: 21.875rem;
  aspect-ratio: 1;
  border: 3px solid #dcdcdc;
  border-radius: 50%;
  background: #f6f6f6;
  pointer-events: none;
  transform: translate(-50%, -63%);
}

.tongda_history_info_active_year {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 3;
  color: var(--color-primary);
  font-family: var(--font-family-orbitron);
  font-size: 9.625rem;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  transform: translate(-75%, -85%);
}

.tongda_history_info_years_swiper {
  height: var(--tongda-history-swiper-height);
  overflow: hidden;
}

.tongda_history_info_years_swiper .swiper-slide {
  height: auto;
  margin-bottom: 6.875rem;
}

.tongda_history_info_year_button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 0;
  color: rgba(233, 233, 233, 1);
  background: transparent;
  border: 0;
  text-align: center;
  cursor: pointer;
  transition: color 0.3s ease;
}

.tongda_history_info_year_text {
  color: inherit;
  font-family: var(--font-family-orbitron);
  font-size: 7.125rem;
  font-weight: 900;
  white-space: nowrap;
  text-transform: uppercase;
  transition:
    color 0.3s ease,
    transform 0.3s ease;
}

.tongda_history_info_year_slide.swiper-slide-active
  .tongda_history_info_year_text {
  color: var(--color-primary);
  transform: translateX(0.25rem);
}

.tongda_history_info_content_wrap {
  position: relative;
  min-width: 0;
  align-self: center;
}

.tongda_history_info_content_wrap::before,
.tongda_history_info_content_wrap::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  z-index: 3;
  height: 7.5rem;
  pointer-events: none;
}

.tongda_history_info_content_wrap::before {
  top: 0;
  background: linear-gradient(180deg, #f6f6f6 0%, rgba(245, 245, 245, 0) 100%);
}

.tongda_history_info_content_wrap::after {
  bottom: 0;
  background: linear-gradient(0deg, #f6f6f6 0%, rgba(245, 245, 245, 0) 100%);
}

.tongda_history_info_content_swiper {
  height: var(--tongda-history-swiper-height);
  overflow: hidden;
}

.tongda_history_info_content_swiper .swiper-wrapper {
  align-items: stretch;
}

.tongda_history_info_content_slide {
  height: auto !important;
  margin-bottom: 2.125rem;
  padding-bottom: 2.125rem;
  border-bottom: solid #d3d3d3 3px;
}

.tongda_history_info_content_slide:last-child {
  border-bottom: 0;
}

.tongda_history_info_card {
  display: flex;
  /* justify-content: center; */
  height: 100%;
}

.tongda_history_info_text {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.tongda_history_info_card_year {
  margin-bottom: 0.625rem;
  color: #9e9e9e;
  font-family: var(--font-family);
  font-size: var(--font-size-22);
  font-weight: 400;
  line-height: 1.5;
  text-transform: capitalize;
}

.tongda_history_info_desc_list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.tongda_history_info_item_desc {
  position: relative;
  color: #9e9e9e;
  font-family: var(--font-family);
  font-size: var(--font-size-18);
  font-weight: 400;
  line-height: 1.55;
}

.tongda_history_info_item_desc::before {
  content: '-';
  left: 0;
  top: 0;
  margin-right: 5px;
}

.tongda_history_info_content_slide.swiper-slide-active
  .tongda_history_info_desc_list {
  color: var(--color-primary);
}

.tongda_history_info_content_slide.swiper-slide-active
  .tongda_history_info_item_desc {
  color: inherit;
}

.tongda_history_info_content_slide .tongda_history_info_text {
  transform: translateY(0px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease;
}

@media screen and (max-width: 1024px) {
  .tongda_history_info {
    --tongda-history-swiper-height: 35rem;
    padding: 3.75rem 0;
  }

  .tongda_history_info_layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .tongda_history_info_years {
    display: none;
  }

  .tongda_history_info_card {
    min-height: 0;
  }
}

@media screen and (max-width: 768px) {
}