.hengsheng_company_history_main {
  --history-media-gap: 36px;
  --history-image-width: 330px;
  --history-image-active-width: 407px;
  --history-image-column-width: 407px;
  --history-axis-dot-size: 20px;
  --history-axis-top-offset: 90px;
  --history-axis-bottom-offset: 136px;
  --history-header-gap: 197px;
  --history-row-gap: 28px;
  --history-list-max-height: 1100px;
  --history-line-color: rgba(var(--title-text-color-rgb), 0.22);
  padding: var(--component-gap) 0 calc(var(--component-gap) * 2 + 45px);
  background: var(--bg-color);
  overflow: hidden;
}

.hengsheng_company_history_main .container {
  position: relative;
}

.hengsheng_company_history_main .hengsheng_company_history_header {
  margin-bottom: var(--history-header-gap);
  text-align: center;
}

.hengsheng_company_history_main .hengsheng_company_history_title {
  margin: 0;
  color: var(--title-text-color);
  font-family: var(--font-family-bold);
  font-size: 60px;
  font-weight: 700;
  line-height: 1.21667;
}

.hengsheng_company_history_main .hengsheng_company_history_list_wrap {
  position: relative;
}

.hengsheng_company_history_main .hengsheng_company_history_list_axis {
  position: absolute;
  top: calc(var(--history-axis-top-offset) * -1);
  bottom: calc(var(--history-axis-bottom-offset) * -1);
  left: 50%;
  width: 3px;
  background: var(--title-text-color);
  transform: translateX(-50%);
    pointer-events: none;
}

.hengsheng_company_history_main .hengsheng_company_history_list_axis::before,
.hengsheng_company_history_main .hengsheng_company_history_list_axis::after {
  content: "";
  position: absolute;
  left: 50%;
  width: var(--history-axis-dot-size);
  height: var(--history-axis-dot-size);
  border-radius: 50%;
  background: var(--title-text-color);
  transform: translateX(-50%);
}

.hengsheng_company_history_main .hengsheng_company_history_list_axis::before {
  top: 0;
}

.hengsheng_company_history_main .hengsheng_company_history_list_axis::after {
  bottom: 0;
}

.hengsheng_company_history_main .hengsheng_company_history_list {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--history-row-gap);
  max-height: var(--history-list-max-height);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  scrollbar-color: rgba(17, 17, 17, 0.28) transparent;
}

.hengsheng_company_history_main .hengsheng_company_history_list::-webkit-scrollbar {
  width: 6px;
}

.hengsheng_company_history_main .hengsheng_company_history_list::-webkit-scrollbar-track {
  background: transparent;
}

.hengsheng_company_history_main .hengsheng_company_history_list::-webkit-scrollbar-thumb {
  background: rgba(17, 17, 17, 0.28);
  border-radius: 999px;
}

.hengsheng_company_history_main .hengsheng_company_history_row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0;
  align-items: center;
}

.hengsheng_company_history_main .hengsheng_company_history_copy {
  position: relative;
  padding: 0 55px 51px 0;
}

.hengsheng_company_history_main .hengsheng_company_history_row:not(:last-child) .hengsheng_company_history_copy::after {
  content: "";
  position: absolute;
  left: 0;
  right: 18px;
  bottom: 0;
  height: 1px;
  background: var(--title-text-color);
}

.hengsheng_company_history_main .hengsheng_company_history_item_title {
  margin: 0 0 56px;
  color: var(--title-text-color);
  font-family: var(--font-family-semi-bold);
  font-size: 26px;
  font-weight: 600;
  line-height: 1.23;
}

.hengsheng_company_history_main .hengsheng_company_history_item_desc {
  color: var(--text-color);
  font-family: var(--font-family-semi-bold);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.59;
}

.hengsheng_company_history_main .hengsheng_company_history_axis {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 0;
  transform: translateX(-50%);
  pointer-events: none;
}

.hengsheng_company_history_main .hengsheng_company_history_media {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) max-content var(--history-image-column-width);
  column-gap: var(--history-media-gap);
  min-width: 0;
}

.hengsheng_company_history_main .hengsheng_company_history_connector {
  position: relative;
  min-width: 0;
  height: 4px;
  background: var(--title-text-color);
  opacity: 0;
  transform: scaleX(0.2);
  transform-origin: left center;
  transition: opacity 0.32s ease, transform 0.32s ease;
}

.hengsheng_company_history_main .hengsheng_company_history_connector::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: var(--history-axis-dot-size);
  height: var(--history-axis-dot-size);
  border-radius: 50%;
  background: var(--title-text-color);
  transform: translate(50%, -50%);
}

.hengsheng_company_history_main .hengsheng_company_history_row:last-child .hengsheng_company_history_connector::after {
  /* display: none; */
}

.hengsheng_company_history_main .hengsheng_company_history_year {
  position: relative;
  width: max-content;
  min-width: 0;
  color: var(--title-text-color);
  font-family: var(--font-family);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.1875;
  white-space: nowrap;
  text-align: right;
  justify-self: end;
  transition: color 0.32s ease;
}

.hengsheng_company_history_main .hengsheng_company_history_image_wrap {
  width: var(--history-image-width);
  overflow: hidden;
  background: rgba(var(--title-text-color-rgb), 0.04);
  aspect-ratio: 33 / 26;
  justify-self: end;
  transition: width 0.45s ease;
}

.hengsheng_company_history_main .hengsheng_company_history_image_wrap img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

/* .hengsheng_company_history_main .hengsheng_company_history_row.is-active .hengsheng_company_history_axis_dot {
  transform: scale(1.15);
} */

.hengsheng_company_history_main .hengsheng_company_history_row.is-active .hengsheng_company_history_connector {
  opacity: 1;
  transform: scaleX(1);
  margin-top: 15px;
}

.hengsheng_company_history_main .hengsheng_company_history_row.is-active .hengsheng_company_history_image_wrap {
  width: var(--history-image-active-width);
}

@media (min-width: 1400px) and (max-width: 1500px) {
  .hengsheng_company_history_main .hengsheng_company_history_year {
    font-size: 28px;
  }

  .hengsheng_company_history_main {
    --history-media-gap: 18px;
  }

}

@media screen and (max-width: 1400px) {
  .hengsheng_company_history_main {
    --history-media-gap: 18px;
    --history-image-width: 290px;
    --history-image-active-width: 350px;
    --history-image-column-width: 350px;
    --history-axis-top-offset: 72px;
    --history-axis-bottom-offset: 108px;
    --history-header-gap: 150px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_title {
    font-size: 38px;
  }
}

@media screen and (max-width: 1200px) {
  .hengsheng_company_history_main {
    --history-media-gap: 16px;
    --history-image-width: 248px;
    --history-image-active-width: 300px;
    --history-image-column-width: 300px;
    --history-axis-top-offset: 56px;
    --history-axis-bottom-offset: 84px;
    --history-header-gap: 100px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_title {
    font-size: 34px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_copy {
    padding-right: 36px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_item_title {
    margin-bottom: 14px;
    font-size: 18px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_item_desc {
    font-size: 14px;
    line-height: 1.7;
  }

  .hengsheng_company_history_main .hengsheng_company_history_media {
    gap: 10px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_year {
    font-size: 19px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_row.is-active .hengsheng_company_history_connector {
    margin-top: 10px;
  }
}

@media screen and (max-width: 992px) {
  .hengsheng_company_history_main {
    --history-media-gap: 14px;
    --history-image-width: 210px;
    --history-image-active-width: 252px;
    --history-image-column-width: 252px;
    --history-axis-top-offset: 40px;
    --history-axis-bottom-offset: 60px;
    --history-header-gap: 56px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_title {
    font-size: 30px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_copy {
    padding-right: 24px;
    padding-bottom: 22px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_row.is-active .hengsheng_company_history_connector {
    margin-top: 8px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_year {
    font-size: 16px;
  }
}

@media screen and (max-width: 768px) {
  .hengsheng_company_history_main {
    --history-row-gap: 24px;
    --history-axis-top-offset: 28px;
    --history-axis-bottom-offset: 42px;
    --history-header-gap: 30px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_list_wrap {
    position: relative;
  }

  .hengsheng_company_history_main .hengsheng_company_history_list {
    max-height: var(--history-list-max-height);
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 8px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_title {
    font-size: 28px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_list_axis {
    left: 13px;
    transform: none;
  }

  .hengsheng_company_history_main .hengsheng_company_history_row {
    grid-template-columns: 28px minmax(0, 1fr);
    column-gap: 20px;
    row-gap: 14px;
    align-items: start;
  }

  .hengsheng_company_history_main .hengsheng_company_history_axis {
    position: relative;
    left: auto;
    top: auto;
    bottom: auto;
    width: 28px;
    transform: none;
    grid-column: 1;
    grid-row: 1 / span 2;
    min-height: 100%;
    align-self: stretch;
  }

  .hengsheng_company_history_main .hengsheng_company_history_media,
  .hengsheng_company_history_main .hengsheng_company_history_copy {
    grid-column: 2;
  }

  .hengsheng_company_history_main .hengsheng_company_history_media {
    display: flex;
    grid-row: 1;
    gap: 14px;
    padding-left: 0;
    flex-direction: column;
    align-items: flex-start;
  }

  .hengsheng_company_history_main .hengsheng_company_history_copy {
    grid-row: 2;
    padding: 0 0 24px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_row:not(:last-child) .hengsheng_company_history_copy::after {
    right: 0;
  }

  .hengsheng_company_history_main .hengsheng_company_history_connector {
    display: none;
  }

  .hengsheng_company_history_main .hengsheng_company_history_year {
    width: auto;
    font-size: 18px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_image_wrap {
    max-width: 100%;
  }
}

@media screen and (max-width: 576px) {
  .hengsheng_company_history_main .hengsheng_company_history_title {
    font-size: 24px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_item_title {
    margin-bottom: 12px;
    font-size: 17px;
  }

  .hengsheng_company_history_main .hengsheng_company_history_item_desc {
    font-size: 14px;
    line-height: 1.65;
  }

  .hengsheng_company_history_main .hengsheng_company_history_year {
    font-size: 17px;
  }
}