.anbo_about_journey {
  --journey-arrow-size: 52px;
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}

.anbo_about_journey_bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

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

.anbo_about_journey .container {
  position: relative;
  z-index: 2;
}

.anbo_about_journey_head {
  text-align: center;
}

.anbo_about_journey_title {
  color: #0c0700;
  font-size: 60px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -1.2px;
}

.anbo_about_journey_desc {
  margin-top: 20px;
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
  color: #222;
}

.anbo_about_journey_content {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  margin-top: 60px;
}

.anbo_about_journey_swiper {
  width: 100%;
  flex-shrink: 1;
  min-width: 0;
  margin-left: 0 !important;
  margin-right: 0 !important;
}

.anbo_about_journey_slide {
  height: auto;
}

.anbo_about_journey_image {
  width: calc(604 / 1440 * 100%);
  aspect-ratio: 604 / 340;
  overflow: hidden;
}

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

.anbo_about_journey_info {
  margin-top: 40px;
}

.anbo_about_journey_year {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.2;
  color: #666;
}

.anbo_about_journey_item_title {
  margin-top: 10px;
  font-size: 22px;
  font-weight: 500;
  line-height: 1.2;
  color: #222;
}

.anbo_about_journey_controls {
  position: absolute;
  top: 0;
  left: calc(604 / 1440 * 100% + 40px);
  margin-top: calc(340 / 1440 * 100% - var(--journey-arrow-size));
  z-index: 4;
  display: flex;
  gap: 17px;
}

.anbo_about_journey_arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--journey-arrow-size);
  height: var(--journey-arrow-size);
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--color-primary);
  cursor: pointer;
  transition: background-color 0.25s ease;
}

.anbo_about_journey_arrow:hover {
  background: #B0935B;
}

.anbo_about_journey_arrow.swiper-button-disabled {
  background: rgba(0, 0, 0, 0.08);
  cursor: not-allowed;
}

.anbo_about_journey_arrow svg {
  display: block;
  width: 25%;
  height: 50%;
}

.anbo_about_journey_item_desc {
  margin-top: 10px;
  max-width: calc(1301 / 1440 * 100%);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.2;
  color: #222;
}

.anbo_about_journey_tabs {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 3;
  width: fit-content;
  overflow-y: auto;
  scrollbar-width: none;
}

.anbo_about_journey_tabs::-webkit-scrollbar {
  display: none;
}

.anbo_about_journey_tab {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 0;
  width: 100%;
  height: 108px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.anbo_about_journey_ticks_start {
  position: relative;
  height: 36px;
  pointer-events: none;
}

.anbo_about_journey_ticks_start::before,
.anbo_about_journey_ticks_start::after,
.anbo_about_journey_tab::before,
.anbo_about_journey_tab::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 11px;
  pointer-events: none;
}

.anbo_about_journey_ticks_start::before,
.anbo_about_journey_tab::before {
  width: 2px;
  background: repeating-linear-gradient(to bottom, #cfcfcf 0, #cfcfcf 1px, transparent 1px, transparent 3px);
}

.anbo_about_journey_ticks_start::after,
.anbo_about_journey_tab::after {
  width: 9px;
  background: repeating-linear-gradient(to bottom, #cfcfcf 0, #cfcfcf 1px, transparent 1px, transparent 36px);
}

.anbo_about_journey_tab_year {
  flex-shrink: 0;
  transform: translateY(-50%);
  white-space: nowrap;
  color: #000;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  text-align: left;
  transition: color 0.3s ease;
}

.anbo_about_journey_tick {
  position: relative;
  z-index: 1;
  flex-shrink: 0;
  margin-left: 3px;
  margin-right: 18px;
  width: 20px;
  height: 1px;
  background: #cfcfcf;
  transition: background-color 0.3s ease;
}

.anbo_about_journey_marker {
  flex-shrink: 0;
  width: 0;
  height: 0;
  border-top: 8px solid transparent;
  border-bottom: 8px solid transparent;
  border-left: 8px solid var(--color-primary);
  transform: translateY(-50%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.anbo_about_journey_tab.is-active .anbo_about_journey_marker {
  opacity: 1;
}

.anbo_about_journey_tab.is-active .anbo_about_journey_tab_year {
  color: var(--color-primary);
}

.anbo_about_journey_tab.is-active .anbo_about_journey_tick {
  background: var(--color-primary);
}

@media (hover: hover) and (pointer: fine) {
  .anbo_about_journey_tab:hover .anbo_about_journey_marker {
    opacity: 1;
  }

  .anbo_about_journey_tab:hover .anbo_about_journey_tab_year {
    color: var(--color-primary);
  }

  .anbo_about_journey_tab:hover .anbo_about_journey_tick {
    background: var(--color-primary);
  }
}

@media screen and (max-width: 1499px) {
  .anbo_about_journey {
    padding: 80px 0;
  }

  .anbo_about_journey_title {
    font-size: 52px;
  }

  .anbo_about_journey_desc {
    margin-top: 18px;
    font-size: 18px;
  }

  .anbo_about_journey_content {
    margin-top: 48px;
  }

  .anbo_about_journey_info {
    margin-top: 24px;
  }

  .anbo_about_journey_year {
    font-size: 18px;
  }

  .anbo_about_journey_item_title {
    font-size: 20px;
  }

  .anbo_about_journey_item_desc {
    font-size: 18px;
  }

  .anbo_about_journey_controls {
    gap: 16px;
  }
}

@media screen and (max-width: 1279px) {
  .anbo_about_journey {
    --journey-arrow-size: 48px;
    padding: 72px 0;
  }

  .anbo_about_journey_title {
    font-size: 48px;
  }

  .anbo_about_journey_content {
    gap: 24px;
    margin-top: 40px;
  }

  .anbo_about_journey_item_title {
    font-size: 20px;
  }
}

@media screen and (max-width: 1199px) {
  .anbo_about_journey {
    --journey-arrow-size: 44px;
    padding: 64px 0;
  }

  .anbo_about_journey_title {
    font-size: 44px;
  }

  .anbo_about_journey_desc {
    margin-top: 16px;
    font-size: 16px;
  }

  .anbo_about_journey_content {
    margin-top: 36px;
  }

  .anbo_about_journey_info {
    margin-top: 20px;
  }

  .anbo_about_journey_year {
    font-size: 16px;
  }

  .anbo_about_journey_item_title {
    font-size: 18px;
  }

  .anbo_about_journey_item_desc {
    font-size: 16px;
    line-height: 1.5;
  }

  .anbo_about_journey_controls {
    gap: 12px;
  }
}

@media screen and (max-width: 991px) {
  .anbo_about_journey {
    --journey-arrow-size: 40px;
    padding: 56px 0;
  }

  .anbo_about_journey_title {
    font-size: 40px;
  }

  .anbo_about_journey_content {
    gap: 20px;
    margin-top: 32px;
  }

  .anbo_about_journey_item_title {
    font-size: 18px;
  }

  .anbo_about_journey_item_desc {
    max-width: calc(100% - 90px);
  }
}

@media screen and (max-width: 767px) {
  .anbo_about_journey {
    --journey-arrow-size: 36px;
    padding: 48px 0;
  }

  .anbo_about_journey_title {
    font-size: 34px;
  }

  .anbo_about_journey_desc {
    margin-top: 14px;
    font-size: 15px;
  }

  .anbo_about_journey_content {
    gap: 16px;
    margin-top: 28px;
  }

  .anbo_about_journey_image {
    width: 100%;
  }

  .anbo_about_journey_controls {
    left: 0;
    margin-top: calc(340 / 604 * 100% + 16px);
  }

  .anbo_about_journey_info {
    margin-top: calc(16px + var(--journey-arrow-size) + 14px);
  }

  .anbo_about_journey_year {
    font-size: 15px;
  }

  .anbo_about_journey_item_title {
    margin-top: 8px;
  }

  .anbo_about_journey_item_desc {
    font-size: 12px;
    line-height: 1.5;
  }
}

@media screen and (max-width: 575px) {
  .anbo_about_journey {
    --journey-arrow-size: 32px;
    padding: 40px 0;
  }

  .anbo_about_journey_title {
    font-size: 28px;
  }

  .anbo_about_journey_desc {
    margin-top: 12px;
    font-size: 12px;
  }

  .anbo_about_journey_content {
    gap: 12px;
    margin-top: 24px;
  }

  .anbo_about_journey_info {
    margin-top: calc(16px + var(--journey-arrow-size) + 12px);
  }

  .anbo_about_journey_year {
    font-size: 14px;
  }

  .anbo_about_journey_item_title {
    font-size: 16px;
  }

  .anbo_about_journey_item_desc {
    font-size: 12px;
    max-width: 100%;
  }

  .anbo_about_journey_controls {
    gap: 10px;
  }
}

/* 年份导航刻度响应式 */
@media screen and (max-width: 991px) {
  .anbo_about_journey_tab {
    height: 72px;
  }

  .anbo_about_journey_tab_year {
    font-size: 14px;
  }

  .anbo_about_journey_marker {
    border-top-width: 6px;
    border-bottom-width: 6px;
    border-left-width: 6px;
  }

  .anbo_about_journey_ticks_start::before,
  .anbo_about_journey_ticks_start::after,
  .anbo_about_journey_tab::before,
  .anbo_about_journey_tab::after {
    left: 9px;
  }
}

@media screen and (max-width: 575px) {
  .anbo_about_journey_tabs {
    display: none;
  }
}