.tiansheng_about_history_main {
  padding: 3.125rem 0 6.25rem;
}

.tiansheng_about_history_main .tiansheng-about-history-title {
  font-weight: 600;
  font-size: var(--font-60);
  line-height: normal;
  text-transform: capitalize;
  color: #262626;
  margin-bottom: 1.5rem;
  max-width: 60.9375rem;
}

.tiansheng_about_history_main .tiansheng-about-history-body {
  display: flex;
  align-items: flex-start;
  gap: 5.3125rem;
}

.tiansheng_about_history_main .tiansheng-about-history-years {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  overflow: hidden;
}

.tiansheng_about_history_main .tiansheng-about-history-years-list {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.tiansheng_about_history_main .tiansheng-about-history-years-track {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: transform 0.4s ease;
}

.tiansheng_about_history_main .tiansheng-about-history-year-btn {
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  transition: all 0.3s ease;
}

.tiansheng_about_history_main .tiansheng-about-history-year-label {
  font-weight: 600;
  font-size: var(--font-60);
  line-height: normal;
  color: rgba(0, 0, 0, 0.12);
  transition: all 0.3s ease;
  background: none;
  -webkit-background-clip: initial;
  -webkit-text-fill-color: rgba(0, 0, 0, 0.12);
  background-clip: initial;
}

.tiansheng_about_history_main .tiansheng-about-history-year-btn.is-active .tiansheng-about-history-year-label {
  background: linear-gradient(180deg, #003894 8.29%, #72A7FF 94%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tiansheng_about_history_main .tiansheng-about-history-arrow {
  flex-shrink: 0;
  width: max(3.125rem, 30px);
  height: max(3.125rem, 30px);
  border-radius: 50%;
  transition: all 0.3s ease;
}

.tiansheng_about_history_main .tiansheng-about-history-arrow svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.tiansheng_about_history_main .tiansheng-about-history-arrow:hover svg circle {
  fill: var(--color-primary);
}

.tiansheng_about_history_main .tiansheng-about-history-arrow:hover svg path {
  stroke: #fff;
}


.tiansheng_about_history_main .tiansheng-about-history-content {
  width: 45%;
  position: relative;
  border-radius: 1.25rem;
}

.tiansheng_about_history_main .tiansheng-about-history-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.tiansheng_about_history_main .tiansheng-about-history-panel.is-active {
  opacity: 1;
  visibility: visible;
  position: relative;
}

.tiansheng_about_history_main .tiansheng-about-history-panel-images {
  position: relative;
  width: 100%;
  aspect-ratio: 89 / 78;
  border-radius: 1.25rem;
  overflow: hidden;
}

.tiansheng_about_history_main .tiansheng-about-history-panel-images img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 89 / 78;
  object-fit: cover;
}

.tiansheng_about_history_main .tiansheng-about-history-panel-main {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tiansheng_about_history_main .tiansheng-about-history-panel-sub {
  position: absolute;
  right: 1.5rem;
  top: 1.5rem;
  width: 30%;
  max-width: 12rem;
  border-radius: 0.75rem;
  z-index: 2;
  box-shadow: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.25);
  object-fit: cover;
}

.tiansheng_about_history_main .tiansheng-about-history-panel-text {
  width: 100%;
  margin-top: 1rem;
  border-radius: 0.625rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.90) 62.64%, rgba(255, 255, 255, 0.72) 135.66%);
  box-shadow: 0 0.25rem 1.25rem 0 rgba(0, 56, 148, 0.25), 0 0 0.625rem 0 #FFF inset;
  backdrop-filter: blur(3.125rem);
  padding: 1.75rem 2.5rem;
  font-weight: 400;
  font-size: var(--font-16);
  line-height: normal;
  color: #000;
}

.tiansheng-about-history-years button:hover {
  cursor: pointer;
}

@media screen and (min-width: 768px) {
  .tiansheng_about_history_main {
    min-height: calc(100vh - 85px);
    box-sizing: border-box;
    display: flex;
    align-items: center;
  }

  .tiansheng_about_history_main .container-mini {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .tiansheng_about_history_main .tiansheng-about-history-title {
    flex-shrink: 0;
  }

  .tiansheng_about_history_main .tiansheng-about-history-body {
    flex: 1;
    min-height: 0;
    align-items: flex-start;
  }

  .tiansheng_about_history_main .tiansheng-about-history-content {
    max-height: none;
  }

  .tiansheng_about_history_main .tiansheng-about-history-panel.is-active {
    height: auto;
  }

  .tiansheng_about_history_main .tiansheng-about-history-panel-images img {
    height: 100%;
    aspect-ratio: 89 / 78;
    object-position: top;
  }
}

@media screen and (max-width: 992px) {
  .tiansheng_about_history_main .tiansheng-about-history-year-label {
    font-size: var(--font-40);
  }
}

@media screen and (max-width: 576px) {
  .tiansheng_about_history_main {
    padding: 2.5rem 0;
  }

  .tiansheng_about_history_main .tiansheng-about-history-title {
    margin-bottom: 1.5rem;
  }

  .tiansheng_about_history_main .tiansheng-about-history-body {
    flex-direction: column;
    gap: 3rem;
  }

  .tiansheng_about_history_main .tiansheng-about-history-content {
    width: 100%;
  }

  .tiansheng_about_history_main .tiansheng-about-history-panel-text {
    width: 100%;
    margin-top: 1rem;
    padding: 1rem;
  }

  .tiansheng_about_history_main .tiansheng-about-history-years {
    width: 100%;
    flex-direction: row;
    align-items: center;
    height: auto !important;
    max-height: none !important;
  }

  .tiansheng_about_history_main .tiansheng-about-history-years-list {
    flex: 1;
    min-width: 0;
    min-height: auto;
    overflow: hidden;
  }

  .tiansheng_about_history_main .tiansheng-about-history-years-track {
    flex-direction: row;
    gap: 1.5rem;
  }

  .tiansheng_about_history_main .tiansheng-about-history-year-label {
    font-size: var(--font-24);
    white-space: nowrap;
  }

  .tiansheng_about_history_main .tiansheng-about-history-arrow-prev {
    transform: rotate(-90deg);
  }

  .tiansheng_about_history_main .tiansheng-about-history-arrow-next {
    transform: rotate(-90deg);
  }
}