/* 关于环球 — 内页（内容来源：环球传动企业宣传册） */

.page-about {
  /* 区块上下统一间距 */
  --about-pad-y: 72px;
  --about-pad-y-tight: 72px;
  /* 相邻区块衔接：上下各一半，合计约等于 --about-pad-y */
  --about-join-y: clamp(32px, 3.5vw, 40px);
  /* 区块内：标题区 ↔ 正文/数据条 */
  --about-inner-y: clamp(44px, 4.6vw, 56px);
  --about-surface: #fff;
  --about-surface-soft: #f6f7f9;
  --about-surface-clients: #f6f7f9;
  --about-surface-mid: #fafbfc;
  --about-blend-h: clamp(52px, 6vw, 88px);
  --about-head-gap: var(--about-inner-y);
  --about-trio-pad-top: var(--about-pad-y);
  --about-trio-pad-bottom: clamp(48px, 5.2vw, 68px);
  --about-trio-bridge: clamp(28px, 3.2vw, 44px);
  font-size: var(--fs-base, 14px);
  color: var(--color-copy, #666);
}

.about-page {
  background: var(--about-surface);
}

.about-section {
  padding: clamp(48px, 5.5vw, 72px) 0;
}

.page-about .about-section {
  padding: var(--about-pad-y) 0;
  scroll-margin-top: 16px;
}

.about-section--soft {
  background: var(--about-surface-soft);
}

.page-about .about-section--soft {
  background: var(--about-surface-soft);
}

.page-about .about-head {
  margin-bottom: var(--about-head-gap);
}

.page-about #about-culture .about-head {
  margin-bottom: var(--about-head-gap);
}

.page-about #about-history .about-head {
  margin-bottom: 0;
}

.page-about .about-eyebrow {
  margin-bottom: 12px;
}

.page-about .about-section__title {
  margin-bottom: 0;
  font-size: var(--inner-section-title-fs);
  font-weight: 700;
  line-height: var(--inner-section-title-lh);
  letter-spacing: 0.02em;
  color: var(--color-title, #333);
}

.page-about .about-section__title:not(.about-section__title--center) {
  margin-bottom: clamp(18px, 2vw, 24px);
}

/* 居中区块头：眉标 → 主标题 → 说明（与「发展历程」一致） */
.page-about .about-head .about-eyebrow--center {
  margin-bottom: clamp(10px, 1.1vw, 12px);
}

.page-about .about-head .about-section__title--center {
  margin-bottom: clamp(10px, 1.15vw, 14px);
}

.page-about .about-head .about-section__title--center:last-child {
  margin-bottom: 0;
}

.page-about .about-head__lead {
  max-width: 42em;
  margin: 0 auto;
  text-align: center;
  font-size: var(--section-lead-fs);
  line-height: var(--section-lead-lh);
  letter-spacing: var(--section-lead-ls);
  color: var(--section-lead-color);
}

/* —— 整页节奏：白 / 灰交替 + 区块间渐变过渡（参考工业 B2B 关于页） —— */
.page-about .about-section {
  background-color: #fff;
}

.page-about .about-section.about-section--soft {
  background-color: var(--about-surface-soft);
}

.page-about .page-bread + .about-section.about-section--intro {
  padding: var(--about-pad-y) 0;
}

.page-about #about-clients.about-section--clients {
  padding: var(--about-pad-y) 0;
  background: var(--about-surface-clients);
}

.page-about #about-culture.about-section--soft {
  position: relative;
  isolation: isolate;
  padding: var(--about-pad-y) 0;
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    var(--about-surface-mid) max(0px, calc(var(--about-blend-h) * 0.35)),
    var(--about-surface-soft) calc(var(--about-blend-h) * 0.75),
    var(--about-surface-soft) 100%
  );
}

.page-about #about-culture.about-section--soft::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 52% 42% at 14% 22%, rgba(230, 0, 18, 0.035) 0%, transparent 62%),
    radial-gradient(ellipse 48% 38% at 88% 76%, rgba(15, 18, 28, 0.04) 0%, transparent 58%);
}

.page-about #about-culture .container {
  position: relative;
  z-index: 1;
}

/* 发展历程 — 纯色标题底；厂区图仅在面板内清晰展示（无白雾叠图） */
.page-about #about-history.about-history-scene {
  --about-history-head-gap: clamp(20px, 2.4vw, 30px);
  --about-history-panel-bg: linear-gradient(
    155deg,
    rgba(22, 26, 34, 0.42) 0%,
    rgba(22, 26, 34, 0.5) 52%,
    rgba(18, 22, 30, 0.46) 100%
  );
  --about-history-panel-border: rgba(255, 255, 255, 0.22);
  position: relative;
  isolation: isolate;
  padding: var(--about-pad-y) 0;
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff 0%, #f4f7fb 100%);
}

.page-about #about-history.about-history-scene::before,
.page-about #about-history.about-history-scene::after {
  content: none;
}

.page-about #about-history.about-history-scene > .container {
  position: relative;
  z-index: 1;
}

.page-about #about-history .about-head__lead {
  max-width: 42em;
  margin-inline: auto;
}

.page-about #about-culture + #about-history .about-head {
  margin-bottom: 0;
}

.page-about #about-culture + #about-history .about-history-carousel {
  margin-top: var(--about-inner-y);
}

.page-about #about-history .about-history-carousel {
  margin-top: var(--about-inner-y);
}

.page-about #about-history .about-head {
  margin-bottom: 0;
}

/* 企业文化 — 圆角横幅 + 三栏（单条底托，非多卡片） */
.page-about #about-culture .about-head--culture {
  margin-bottom: var(--about-inner-y);
}

.page-about #about-culture .about-head--culture .about-section__title {
  margin-top: clamp(4px, 0.5vw, 6px);
}

.page-about #about-culture .about-culture__banner {
  margin: 0 0 clamp(24px, 2.8vw, 32px);
  border-radius: var(--home-card-radius, 12px);
  overflow: hidden;
  box-shadow: 0 10px 40px rgba(15, 18, 28, 0.08);
}

.page-about #about-culture .about-culture__banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1920 / 400;
  object-fit: cover;
  object-position: center 42%;
}

.page-about #about-culture .about-culture-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  max-width: none;
  margin: 0 0 clamp(4px, 0.5vw, 8px);
  padding: clamp(20px, 2.4vw, 28px) clamp(12px, 1.5vw, 20px);
  background: #fff;
  border: 1px solid rgba(15, 18, 28, 0.06);
  border-radius: var(--home-card-radius, 12px);
  box-shadow: 0 8px 32px rgba(15, 18, 28, 0.05);
}

.page-about #about-culture .about-culture-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 0;
  padding: clamp(16px, 2vw, 22px) clamp(16px, 2vw, 24px);
  text-align: center;
  background: transparent;
  border: none;
  border-radius: 10px;
  box-shadow: none;
}

@media (min-width: 901px) {
  .page-about #about-culture .about-culture-card + .about-culture-card {
    border-left: 1px solid rgba(15, 18, 28, 0.08);
  }
}

.page-about #about-culture .about-culture-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: clamp(48px, 4.5vw, 56px);
  height: clamp(48px, 4.5vw, 56px);
  margin-bottom: clamp(14px, 1.6vw, 18px);
  border-radius: 50%;
  color: var(--brand, #e60012);
  background: linear-gradient(
    160deg,
    rgba(230, 0, 18, 0.1) 0%,
    rgba(230, 0, 18, 0.03) 100%
  );
  transition: box-shadow 0.32s ease;
}

.page-about #about-culture .about-culture-card__icon svg,
.page-about #about-culture .about-culture-card__icon img {
  width: clamp(26px, 2.2vw, 30px);
  height: clamp(26px, 2.2vw, 30px);
}

.page-about #about-culture .about-culture-card__title {
  position: relative;
  margin: 0 0 clamp(16px, 1.8vw, 20px);
  padding-bottom: clamp(12px, 1.3vw, 14px);
  font-size: clamp(18px, 1.55vw, 21px);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-title, #333);
}

.page-about #about-culture .about-culture-card__title::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: clamp(28px, 3vw, 36px);
  height: 3px;
  background: var(--brand, #e60012);
  border-radius: 2px;
  transform: translateX(-50%) scaleX(0.72);
  transform-origin: center;
  transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (hover: hover) and (pointer: fine) {
  /* 企业文化：外圈光晕 + 标题下划线伸展（不上浮） */
  .page-about #about-culture .about-culture-card:hover .about-culture-card__icon {
    box-shadow: 0 0 0 4px rgba(230, 0, 18, 0.11);
  }

  .page-about #about-culture .about-culture-card:hover .about-culture-card__title::after {
    transform: translateX(-50%) scaleX(1.15);
  }
}

.page-about #about-culture .about-culture-card__text {
  margin: 0;
  max-width: 24em;
  font-size: clamp(15px, 0.98vw, 16px);
  line-height: 1.78;
  color: var(--section-lead-color, #555);
}

.page-about #about-culture .about-culture-card:first-child .about-culture-card__text {
  font-size: clamp(16px, 1.05vw, 17px);
  font-weight: 500;
  color: var(--color-title, #333);
}

@media (max-width: 900px) {
  .page-about #about-culture .about-culture-cards {
    grid-template-columns: 1fr;
    padding: clamp(16px, 2vw, 20px);
  }

  .page-about #about-culture .about-culture-card + .about-culture-card {
    margin-top: clamp(4px, 0.6vw, 8px);
    padding-top: clamp(20px, 2.6vw, 26px);
    border-left: none;
    border-top: 1px solid rgba(15, 18, 28, 0.08);
  }
}

/* 发展历程 — 对齐柯泰克 yongli.html（history_content）尺寸与间距 */
.page-about #about-history .about-yongli-timeline {
  --about-yongli-axis: 50%;
  --about-yongli-brand: var(--brand, #e60012);
  --about-yongli-year-fs: 24px;
  --about-yongli-text-fs: 16px;
  --about-yongli-year-gap: 36px;
  --about-yongli-dot-size: 20px;
  --about-yongli-dot-border: 3px;
  --about-yongli-dot-line: 37px;
  --about-yongli-dot-track: 57px;
  --about-yongli-card-gap: 30px;
  --about-yongli-card-offset: 87px;
  --about-yongli-row-pad: 35px;
  --about-yongli-entry-gap: 30px;
  --about-yongli-edge-inset: clamp(0px, 1.5vw, 16px);
  position: relative;
  list-style: none;
  width: 100%;
  max-width: 100%;
  margin: 55px 0 0;
  padding: 0 var(--about-yongli-edge-inset);
  overflow: visible;
}

.page-about #about-history .about-yongli-timeline::before {
  content: "";
  position: absolute;
  left: var(--about-yongli-axis);
  top: 0;
  bottom: 0;
  width: 1px;
  transform: translateX(-50%);
  background: #d9d9d9;
  pointer-events: none;
}

.page-about #about-history .about-yongli-timeline__item {
  position: relative;
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  padding: var(--about-yongli-row-pad) 0;
  box-sizing: border-box;
  overflow: visible;
}

.page-about #about-history .about-yongli-timeline__item:last-child {
  padding-bottom: 0;
}

.page-about #about-history .about-yongli-timeline__col {
  width: 50%;
  min-width: 0;
  box-sizing: border-box;
}

.page-about #about-history .about-yongli-timeline__col--left {
  text-align: right;
}

.page-about #about-history .about-yongli-timeline__col--right {
  text-align: left;
}

.page-about #about-history .about-yongli-timeline__year {
  display: inline-block;
  font-size: var(--about-yongli-year-fs);
  font-weight: 700;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
  color: #333;
}

.page-about #about-history .about-yongli-timeline__col--left .about-yongli-timeline__year {
  padding-right: var(--about-yongli-year-gap);
}

.page-about #about-history .about-yongli-timeline__col--right .about-yongli-timeline__year {
  padding-left: var(--about-yongli-year-gap);
}

.page-about #about-history .about-yongli-timeline__list {
  margin: 0;
  max-width: 100%;
}

.page-about #about-history .about-yongli-timeline__entry {
  display: flex;
  align-items: flex-start;
  max-width: 100%;
  margin: 0 0 var(--about-yongli-entry-gap);
}

.page-about #about-history .about-yongli-timeline__entry:last-child {
  margin-bottom: 0;
}

.page-about #about-history .about-yongli-timeline__item--flip .about-yongli-timeline__entry {
  flex-direction: row-reverse;
}

.page-about #about-history .about-yongli-timeline__item--flip .about-yongli-timeline__dot {
  flex-direction: row-reverse;
}

.page-about #about-history .about-yongli-timeline__dot {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  width: var(--about-yongli-dot-track);
  margin-top: 8px;
}

.page-about #about-history .about-yongli-timeline__col--right .about-yongli-timeline__dot {
  margin-left: -10px;
}

.page-about #about-history .about-yongli-timeline__col--left .about-yongli-timeline__dot {
  margin-right: -10px;
}

.page-about #about-history .about-yongli-timeline__dot-ring {
  flex-shrink: 0;
  width: var(--about-yongli-dot-size);
  height: var(--about-yongli-dot-size);
  border: var(--about-yongli-dot-border) solid var(--about-yongli-brand);
  border-radius: 50%;
  background: #fff;
  box-sizing: border-box;
}

.page-about #about-history .about-yongli-timeline__dot-line {
  flex-shrink: 0;
  width: var(--about-yongli-dot-line);
  height: 1px;
  background: #999;
}

.page-about #about-history .about-yongli-timeline__card {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 100%;
  padding: 25px;
  background: #fff;
  border: none;
  border-radius: 0;
  box-shadow: 0 3px 14px rgba(15, 18, 28, 0.07);
  box-sizing: border-box;
}

.page-about #about-history .about-yongli-timeline__col--right .about-yongli-timeline__card {
  margin-left: var(--about-yongli-card-gap);
  width: min(100%, calc(100% - var(--about-yongli-card-offset)));
}

.page-about #about-history .about-yongli-timeline__col--left .about-yongli-timeline__card {
  margin-right: var(--about-yongli-card-gap);
  width: min(100%, calc(100% - var(--about-yongli-card-offset)));
}

.page-about #about-history .about-yongli-timeline__text {
  margin: 0;
  font-size: var(--about-yongli-text-fs);
  line-height: 1.875;
  color: var(--color-copy, #666);
}

@media (max-width: 1043px) {
  .page-about #about-history .about-yongli-timeline {
    --about-yongli-year-fs: 22px;
    --about-yongli-text-fs: 15px;
  }

}

@media (max-width: 960px) {
  .page-about #about-history .about-yongli-timeline {
    --about-yongli-year-fs: 20px;
    --about-yongli-text-fs: 14px;
  }
}

@media (max-width: 768px) {
  .page-about #about-history.about-history-scene {
    padding: var(--about-pad-y-tight) 0;
    background-attachment: scroll;
  }

  .page-about #about-history .about-yongli-timeline {
    margin-top: 40px;
    --about-yongli-year-fs: 18px;
    --about-yongli-dot-size: 15px;
    --about-yongli-dot-border: 2px;
    --about-yongli-dot-line: 15px;
    --about-yongli-dot-track: 30px;
    --about-yongli-card-offset: 40px;
    --about-yongli-row-pad: 15px;
    --about-yongli-entry-gap: 20px;
  }

  .page-about #about-history .about-yongli-timeline__col--right .about-yongli-timeline__dot {
    margin-left: -8px;
  }

  .page-about #about-history .about-yongli-timeline__card {
    margin-left: 10px;
    margin-right: 10px;
    width: calc(100% - var(--about-yongli-card-offset));
    padding: 0;
    box-shadow: none;
  }

  .page-about #about-history .about-yongli-timeline__col--left .about-yongli-timeline__card {
    margin-right: 10px;
  }

  .page-about #about-history .about-yongli-timeline__col--right .about-yongli-timeline__card {
    margin-left: 10px;
  }
}

/* 产业布局 — 全球底图 + 轻点阵地图；卡片色对齐首页合作客户深色面板（炭灰，非外包蓝） */
.page-about #about-business.about-business-scene {
  --about-business-card-bg: linear-gradient(
    155deg,
    rgba(56, 62, 74, 0.88) 0%,
    rgba(44, 50, 62, 0.84) 52%,
    rgba(38, 44, 56, 0.86) 100%
  );
  --about-business-card-border: rgba(255, 255, 255, 0.16);
  --about-business-card-muted: rgba(255, 255, 255, 0.78);
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--about-pad-y) 0;
  background: #1a1e28 url("../img/about-bg-global.jpg") center / cover no-repeat;
  background-attachment: fixed;
}

.page-about #about-business .about-business-scene__map {
  position: absolute;
  left: 50%;
  top: 56%;
  z-index: 0;
  width: min(92vw, 980px);
  height: auto;
  opacity: 0.28;
  transform: translate(-50%, -50%);
  pointer-events: none;
  user-select: none;
}

.page-about #about-business.about-business-scene::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(10, 12, 18, 0.4) 0%,
    rgba(12, 14, 20, 0.34) 45%,
    rgba(10, 12, 18, 0.44) 100%
  );
}

.page-about #about-business .about-head__lead {
  max-width: 42em;
  margin-inline: auto;
  color: rgba(255, 255, 255, 0.82);
}

.page-about #about-business .about-eyebrow {
  color: rgba(255, 255, 255, 0.82);
}

.page-about #about-business .about-eyebrow__mark {
  background: rgba(255, 255, 255, 0.85);
}

.page-about #about-business .about-section__title {
  color: #fff;
}

.page-about #about-honors.about-section--scene {
  padding: var(--about-pad-y) 0;
  background: linear-gradient(
    180deg,
    var(--about-surface-soft) 0%,
    var(--about-surface-mid) max(0px, calc(var(--about-blend-h) * 0.45)),
    #ffffff var(--about-blend-h),
    #ffffff 100%
  );
}

.page-about #about-honors .about-honors-certs {
  scroll-margin-top: clamp(72px, 8vw, 96px);
  margin-top: var(--about-inner-y);
  padding-top: var(--about-join-y);
  border-top: 1px solid rgba(15, 18, 28, 0.08);
}

.page-about #about-honors .about-honors-certs__title {
  margin: 0 0 clamp(10px, 1.2vw, 14px);
  font-size: var(--inner-section-title-fs);
  font-weight: 700;
  line-height: var(--inner-section-title-lh);
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--color-title, #333);
}

.page-about #about-honors .about-honor-certs__lead {
  max-width: 42em;
  margin: 0 auto clamp(20px, 2.4vw, 28px);
  text-align: center;
  font-size: var(--section-lead-fs, 15px);
  line-height: 1.75;
  color: var(--section-lead-color, #666);
}

.page-about #about-honors .about-honor-certs__wrap {
  margin-top: 0;
}

.page-about #about-manufacturing.about-manufacturing-section {
  position: relative;
  isolation: isolate;
  padding-top: clamp(48px, 5.2vw, 68px);
  padding-bottom: clamp(48px, 5.2vw, 68px);
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    var(--about-surface-mid) max(0px, calc(var(--about-blend-h) * 0.55)),
    var(--about-surface-soft) calc(var(--about-blend-h) * 1.05),
    var(--about-surface-soft) 100%
  );
}


.page-about #about-quality.about-section--soft {
  position: relative;
  padding-top: clamp(44px, 4.6vw, 60px);
  background: linear-gradient(
    180deg,
    var(--about-surface-soft) 0%,
    var(--about-surface-mid) max(0px, calc(var(--about-blend-h) * 0.45)),
    #ffffff calc(var(--about-blend-h) * 0.95),
    #ffffff 100%
  );
}

.page-about #about-quality .about-head {
  margin-bottom: clamp(40px, 4.5vw, 56px);
}

.page-about .about-section--scene {
  position: relative;
  isolation: isolate;
}

.page-about .about-section__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  opacity: 0.16;
}

.page-about .about-section__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.82) 0%,
    rgba(255, 255, 255, 0.55) 42%,
    rgba(255, 255, 255, 0.72) 100%
  );
}

.page-about #about-honors .about-section__bg {
  opacity: 0.14;
}

.page-about #about-honors .about-section__bg::after {
  background: linear-gradient(
    180deg,
    rgba(246, 247, 249, 0.92) 0%,
    rgba(255, 255, 255, 0.78) 18%,
    rgba(255, 255, 255, 0.62) 50%,
    rgba(255, 255, 255, 0.88) 100%
  );
}

.page-about .about-section--soft .about-section__bg::after {
  background: linear-gradient(
    180deg,
    rgba(246, 247, 249, 0.88) 0%,
    rgba(246, 247, 249, 0.58) 45%,
    rgba(250, 251, 252, 0.82) 100%
  );
}

.page-about .about-section__bg--honors {
  background-image: url("../img/about-bg-honors.jpg?v=3");
}

.page-about .about-section--scene > .container {
  position: relative;
  z-index: 1;
}

.page-about #about-honors .about-honors-head {
  margin-bottom: clamp(28px, 3.2vw, 40px);
}

.page-about #about-honors .about-honors-head__row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(16px, 2vw, 24px) clamp(20px, 3vw, 32px);
  margin-bottom: clamp(14px, 1.6vw, 20px);
}

.page-about #about-honors .about-honors-head__title {
  margin: 0 0 clamp(14px, 1.6vw, 20px);
  min-width: min(100%, 240px);
}

.page-about #about-honors .about-honors-head__title .about-section__title {
  margin-bottom: 0;
  letter-spacing: 0.02em;
}

.page-about #about-manufacturing .about-section__title,
.page-about #about-intro .about-section__title {
  letter-spacing: 0.02em;
}

.page-about #about-honors .about-honors__intro {
  margin: 0;
  font-size: var(--section-lead-fs);
  line-height: var(--section-lead-lh);
  letter-spacing: var(--section-lead-ls);
  color: var(--section-lead-color);
}

@media (max-width: 767px) {
  .page-about #about-honors .about-honors-head__row {
    flex-direction: column;
    align-items: stretch;
  }

  .page-about #about-honors .about-honors__more {
    align-self: flex-end;
  }

  .page-about #about-honors .about-honors__intro {
    text-align: left;
  }
}

.page-about .about-section--scene .about-timeline__phase,
.page-about .about-section--scene .about-honors__col {
  box-shadow: 0 6px 28px rgba(15, 18, 28, 0.06);
}

.page-about .about-intro__media {
  box-shadow: 0 14px 44px rgba(15, 18, 28, 0.1);
}


.page-about .about-section.about-section--last {
  padding-bottom: var(--about-pad-y);
}

.about-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: var(--inner-eyebrow-fs);
  font-weight: 600;
  letter-spacing: var(--inner-eyebrow-ls);
  color: rgba(230, 0, 18, 0.88);
}

.about-eyebrow--center {
  justify-content: center;
  width: 100%;
}

.about-eyebrow__mark {
  width: 28px;
  height: 2px;
  background: var(--brand, #e60012);
  border-radius: 1px;
}

.about-section__title {
  margin: 0 0 16px;
  padding-left: 0;
  border-left: none;
  font-size: var(--inner-section-title-fs);
  font-weight: 700;
  line-height: var(--inner-section-title-lh);
  color: var(--color-title, #333);
}

/* 覆盖 main.css 永利恺博式标题左竖线，与 strength 内页一致 */
.page-about .about-section__title {
  padding-left: 0;
  border-left: none;
}

.about-section__title--center {
  text-align: center;
}

.about-head {
  margin-bottom: clamp(28px, 3.2vw, 40px);
}

.about-head__lead {
  max-width: 42em;
  margin: 0 auto;
  text-align: center;
  font-size: var(--section-lead-fs);
  line-height: var(--section-lead-lh);
  letter-spacing: var(--section-lead-ls);
  color: var(--section-lead-color);
}

.about-section--intro {
  background: #fff;
}

.page-about #about-intro.about-section--intro {
  position: relative;
  isolation: isolate;
  background: linear-gradient(
    180deg,
    #ffffff 0%,
    #ffffff max(0px, calc(100% - var(--about-blend-h) * 1.35)),
    var(--about-surface-mid) calc(100% - var(--about-blend-h) * 0.55)),
    var(--about-surface-soft) 100%
  );
}

.page-about #about-intro + #about-culture.about-section--soft {
  background: linear-gradient(
    180deg,
    var(--about-surface-soft) 0%,
    var(--about-surface-mid) max(0px, calc(var(--about-blend-h) * 0.4)),
    var(--about-surface-soft) calc(var(--about-blend-h) * 0.9),
    var(--about-surface-soft) 100%
  );
}

.page-about #about-intro + #about-culture.about-section--soft::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 0;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(15, 18, 28, 0.06) 18%,
    rgba(230, 0, 18, 0.12) 50%,
    rgba(15, 18, 28, 0.06) 82%,
    transparent 100%
  );
}

.about-intro {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: clamp(32px, 3.8vw, 52px);
  margin-bottom: 0;
}

.about-intro__media {
  flex: 1 1 42%;
  max-width: 48%;
  margin: 0;
  min-width: min(100%, 280px);
  border-radius: var(--home-card-radius, 12px);
  overflow: hidden;
  box-shadow: var(--home-card-shadow, 0 4px 24px rgba(0, 0, 0, 0.06));
}

.about-intro__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: clamp(280px, 28vw, 360px);
  object-fit: cover;
}

.about-intro__body {
  flex: 1 1 46%;
  min-width: min(100%, 320px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0;
}

.page-about .about-section--intro .about-eyebrow {
  margin-bottom: 12px;
}

.page-about .about-section--intro .about-section__title {
  margin: 0 0 clamp(20px, 2.2vw, 28px);
}

.about-section--intro .about-intro__lead:first-of-type {
  margin-top: 0;
}

.about-intro__lead {
  margin: 0 0 0.85em;
  font-size: var(--section-lead-fs);
  line-height: 1.875;
  letter-spacing: var(--section-lead-ls);
  color: var(--section-lead-color);
}

.about-intro__lead:last-child {
  margin-bottom: 0;
}

.page-about .about-section--intro .about-intro__stats.home-about-uni__trust {
  margin: var(--about-inner-y) 0 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  text-align: left;
}

.page-about .about-section--intro .about-intro__stats .home-about-uni__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  gap: clamp(16px, 2vw, 24px) 0;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-top: none;
  border-radius: 0;
  box-shadow: none;
}

.page-about .about-section--intro .about-intro__stats .home-about-uni__stats > li {
  display: flex;
  flex-direction: column;
  flex: 0 1 auto;
  align-items: center;
  justify-content: flex-start;
  text-align: center;
  padding: 0;
}

.page-about .about-section--intro .about-intro__stats .home-about-uni__stats > li + li::before {
  display: none;
  content: none;
}

.page-about .about-section--intro .about-intro__stats .home-about-uni__stat-num {
  font-size: clamp(38px, 3.75vw, 52px);
  font-weight: 600;
  line-height: 1.06;
  text-align: center;
}

.page-about .about-section--intro .about-intro__stats .home-about-uni__stat-side {
  margin-bottom: 0.05em;
  font-size: 0.32em;
}

.page-about .about-section--intro .about-intro__stats .home-about-uni__stat-side--plus {
  font-size: 0.44em;
}

.page-about .about-section--intro .about-intro__stats .home-about-uni__stat-side--duo {
  font-size: 0.32em;
}

.page-about .about-section--intro .about-intro__stats .home-about-uni__stat-label {
  width: 100%;
  margin-top: clamp(10px, 1.1vw, 14px);
  font-size: clamp(15px, 1vw, 16px);
  font-weight: 500;
  line-height: 1.45;
  text-align: center;
  color: #555;
}

@media (max-width: 768px) {
  .page-about .about-section--intro .about-intro__stats .home-about-uni__stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
    row-gap: clamp(22px, 3.5vw, 28px);
    column-gap: clamp(12px, 3vw, 20px);
  }

  .page-about .about-section--intro .about-intro__stats .home-about-uni__stats > li,
  .page-about .about-section--intro .about-intro__stats .home-about-uni__stats > li:first-child,
  .page-about .about-section--intro .about-intro__stats .home-about-uni__stats > li:last-child {
    align-items: center;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .page-about .about-section--intro .about-intro__stats .home-about-uni__stats {
    grid-template-columns: 1fr;
    row-gap: clamp(24px, 6vw, 32px);
  }
}

.about-mvv--strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--home-card-radius, 12px);
  overflow: hidden;
  box-shadow: 0 4px 28px rgba(0, 0, 0, 0.05);
}

.about-mvv__item {
  min-width: 0;
  padding: clamp(24px, 2.8vw, 32px) clamp(22px, 2.4vw, 28px);
  text-align: left;
  border-right: 1px solid rgba(0, 0, 0, 0.06);
}

.about-mvv__item-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(12px, 1.35vw, 16px);
}

.about-mvv__icon {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  color: var(--brand, #e60012);
  background: rgba(230, 0, 18, 0.08);
}

.about-mvv__name {
  margin: 0;
  font-size: var(--inner-card-title-fs);
  font-weight: 700;
  line-height: 1.3;
  color: var(--brand, #e60012);
}

.about-mvv__text {
  margin: 0;
  font-size: var(--inner-body-fs);
  line-height: 1.75;
  color: var(--color-title, #333);
}

.about-timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 24px);
  align-items: start;
}

.about-timeline__phase {
  position: relative;
  padding: clamp(20px, 2.4vw, 26px) clamp(18px, 2vw, 22px) clamp(22px, 2.6vw, 28px);
  padding-left: clamp(22px, 2.4vw, 28px);
  background: #fff;
  border-radius: var(--home-card-radius, 12px);
  border: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 22px rgba(15, 18, 28, 0.05);
}

.about-timeline__phase::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 12px 0 0 12px;
  background: linear-gradient(180deg, var(--brand, #e60012) 0%, rgba(230, 0, 18, 0.35) 100%);
}

.about-timeline__phase-title {
  display: inline-block;
  margin: 0 0 8px;
  padding: 6px 14px;
  font-size: var(--inner-label-fs);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #fff;
  background: var(--brand, #e60012);
  border-radius: 999px;
}

.about-timeline__phase-desc {
  margin: 0 0 14px;
  font-size: var(--inner-meta-fs);
  line-height: 1.5;
  color: var(--text-light, #999);
}

.about-timeline__list {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--inner-label-fs);
  line-height: 1.55;
}

.about-timeline__list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.07);
}

.about-timeline__list li:last-child {
  border-bottom: none;
}

.about-timeline__list time {
  flex: none;
  min-width: 2.75em;
  font-size: var(--inner-meta-fs);
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-title, #333);
}

.about-timeline__event {
  flex: 1;
  min-width: 0;
  color: var(--color-copy, #555);
}

.about-timeline__list li.is-milestone .about-timeline__event {
  font-weight: 600;
  color: var(--brand, #e60012);
}

.about-business {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(12px, 1.6vw, 18px);
  margin: 0;
  padding: 0;
  list-style: none;
  align-items: stretch;
}

.page-about #about-business .about-business {
  counter-reset: about-biz;
}

.about-business__item {
  padding: clamp(18px, 2vw, 22px);
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--home-card-radius, 12px);
  box-shadow: 0 2px 14px rgba(15, 18, 28, 0.04);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.page-about #about-business .about-business {
  position: relative;
  z-index: 1;
}

.page-about #about-business .about-head {
  position: relative;
  z-index: 1;
}

.page-about #about-business .about-business__item {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100%;
  overflow: hidden;
  padding: clamp(22px, 2.2vw, 26px) clamp(14px, 1.5vw, 18px);
  text-align: center;
  background: var(--about-business-card-bg);
  border: 1px solid var(--about-business-card-border);
  border-radius: var(--radius, 8px);
  box-shadow: 0 8px 28px rgba(15, 18, 28, 0.22);
  backdrop-filter: blur(6px);
}

.page-about #about-business .about-business__item::before {
  counter-increment: about-biz;
  content: counter(about-biz, decimal-leading-zero);
  position: relative;
  z-index: 1;
  display: block;
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  margin: 0 auto clamp(10px, 1.2vw, 14px);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 2rem;
  color: rgba(255, 255, 255, 0.88);
  background: rgba(230, 0, 18, 0.2);
  border: none;
  border-radius: 50%;
  transition: color 0.3s ease, background 0.3s ease;
}

.page-about #about-business .about-business__item::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: var(--brand, #e60012);
  opacity: 0;
  transition: opacity 0.35s ease;
}

@media (hover: hover) and (pointer: fine) {
  /* 产业布局：整卡红色铺层（唯一全屏变色，不上浮） */
  .page-about #about-business .about-business__item:hover::after {
    opacity: 1;
  }

  .page-about #about-business .about-business__item:hover::before {
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
  }

  .page-about #about-business .about-business__item:hover .about-business__text {
    color: rgba(255, 255, 255, 0.94);
  }
}

.about-business__name {
  margin: 0 0 10px;
  font-size: var(--inner-card-title-fs);
  font-weight: 700;
  color: var(--color-title, #333);
}

.page-about #about-business .about-business__name {
  position: relative;
  z-index: 1;
  margin: 0 0 clamp(8px, 1vw, 12px);
  padding-bottom: 0;
  border-bottom: none;
  color: #fff;
}

.about-business__text {
  margin: 0;
  font-size: var(--inner-meta-fs);
  line-height: 1.65;
  color: var(--color-copy, #666);
}

.page-about #about-business .about-business__text {
  position: relative;
  z-index: 1;
  flex: 1;
  margin: 0;
  line-height: 1.72;
  color: var(--about-business-card-muted);
  transition: color 0.35s ease;
}

@media (max-width: 768px) {
  .page-about #about-business.about-business-scene {
    background-attachment: scroll;
  }

  .page-about #about-business .about-business-scene__map {
    top: 60%;
    width: 120vw;
    opacity: 0.22;
  }
}

.page-about #about-honors .about-honors {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(14px, 1.8vw, 22px);
  align-items: stretch;
}

.about-honors__col {
  --about-honor-bullet-bg: #fff;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: clamp(20px, 2.2vw, 26px) clamp(16px, 1.8vw, 20px) clamp(22px, 2.4vw, 28px);
  background: #fff;
  border: 1px solid rgba(15, 18, 28, 0.07);
  border-top: 4px solid var(--brand, #e60012);
  border-radius: var(--home-card-radius, 12px);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 8px 28px rgba(15, 18, 28, 0.07);
}

.about-honors__col--accent {
  --about-honor-bullet-bg: #fff;
  background: linear-gradient(165deg, rgba(230, 0, 18, 0.07) 0%, #fff 55%);
  border-top-color: rgba(230, 0, 18, 0.85);
}

.about-honors__count {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin: 0 0 6px;
  line-height: 1;
}

.about-honors__count-num {
  font-size: clamp(32px, 3.2vw, 42px);
  font-weight: 700;
  color: var(--brand, #e60012);
  letter-spacing: -0.02em;
}

.about-honors__count-unit {
  font-size: var(--inner-label-fs);
  font-weight: 600;
  color: var(--brand, #e60012);
}

.about-honors__tier {
  margin: 0 0 12px;
  padding-bottom: 10px;
  font-size: var(--inner-body-fs);
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-title, #333);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.about-honors__col--accent .about-honors__tier {
  color: var(--brand, #e60012);
  border-bottom-color: rgba(230, 0, 18, 0.12);
}

.about-honors__list {
  flex: 1;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--inner-meta-fs);
  line-height: 1.65;
  color: var(--color-copy, #555);
}

.about-honors__list li {
  display: flex;
  align-items: center;
  padding: 5px 0;
}

.about-honors__list li.about-honors__list-more {
  padding-left: 0;
  color: var(--color-muted, #999);
  letter-spacing: 0.12em;
}

.about-honors__metrics {
  flex: 1;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-honors__metrics li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(0, 0, 0, 0.07);
}

.about-honors__metrics li:last-child {
  border-bottom: none;
}

.about-honors__metric-num {
  flex: none;
  min-width: 1.6em;
  font-size: var(--inner-stat-num-fs);
  font-weight: 700;
  line-height: 1;
  color: var(--brand, #e60012);
}

.about-honors__metric-label {
  font-size: var(--inner-label-fs);
  line-height: 1.45;
  color: var(--color-copy, #555);
}

.page-about #about-honors .about-honors__more {
  display: inline-flex;
  flex-shrink: 0;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  font-size: var(--inner-label-fs);
  font-weight: 600;
  line-height: 1.35;
  color: var(--brand, #e60012);
  text-decoration: none;
  white-space: nowrap;
  background: #fff;
  border: 1px solid rgba(230, 0, 18, 0.28);
  border-radius: 999px;
  box-shadow: 0 2px 10px rgba(15, 18, 28, 0.04);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s, color 0.2s;
}

.page-about #about-honors .about-honors__more-suffix {
  font-weight: 600;
}

.page-about #about-honors .about-honors__more-arrow {
  font-size: 1.05em;
  line-height: 1;
  transition: transform 0.2s;
}

.page-about #about-honors .about-honors__more:hover {
  color: #fff;
  background: var(--brand, #e60012);
  border-color: var(--brand, #e60012);
  box-shadow: 0 4px 16px rgba(230, 0, 18, 0.22);
}

.page-about #about-honors .about-honors__more:hover .about-honors__more-arrow {
  transform: translateX(3px);
}

@media (max-width: 480px) {
  .page-about #about-honors .about-honors__more {
    white-space: normal;
    text-align: center;
    max-width: 100%;
  }
}

.about-split {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(28px, 3.5vw, 48px);
}

.about-split__main {
  flex: 1 1 48%;
  min-width: min(100%, 320px);
}

.about-split__lead,
.about-split__note {
  font-size: var(--section-lead-fs);
  line-height: var(--section-lead-lh);
  letter-spacing: var(--section-lead-ls);
  color: var(--section-lead-color);
}

.about-split__media {
  flex: 1 1 40%;
  max-width: 46%;
  margin: 0;
  border-radius: 0;
  overflow: hidden;
  box-shadow: none;
}

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

.about-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: clamp(8px, 0.9vw, 10px);
  margin: clamp(18px, 2vw, 24px) 0 clamp(20px, 2.2vw, 26px);
  padding: 0;
  list-style: none;
}

.about-tags li {
  padding: clamp(7px, 0.85vw, 9px) clamp(14px, 1.35vw, 17px);
  font-size: clamp(13px, 0.88vw, 14px);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: rgba(51, 51, 51, 0.92);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 18, 28, 0.07);
  border-radius: 999px;
  box-shadow: 0 1px 2px rgba(15, 18, 28, 0.04);
  transition:
    border-color 0.22s ease,
    background 0.22s ease,
    box-shadow 0.22s ease,
    color 0.22s ease;
}

.page-about #about-manufacturing .about-tags li {
  background: #f0f1f4;
  border-color: rgba(15, 18, 28, 0.06);
  box-shadow: none;
}

@media (hover: hover) and (pointer: fine) {
  /* 智造标签：描边实化 + 字色（无阴影） */
  .page-about #about-manufacturing .about-tags li:hover {
    color: var(--brand, #e60012);
    background: #fff;
    border-color: rgba(230, 0, 18, 0.38);
  }
}

.about-certs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about #about-quality .about-certs {
  margin-top: clamp(12px, 1.4vw, 18px);
  gap: clamp(10px, 1.2vw, 12px);
  padding: 0;
  border: none;
}

.page-about #about-quality .about-certs li {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: clamp(52px, 5vw, 58px);
  padding: clamp(15px, 1.7vw, 18px) clamp(14px, 1.5vw, 16px);
  font-size: clamp(14px, 0.98vw, 16px);
  font-weight: 500;
  line-height: 1.55;
  text-align: center;
  color: var(--brand, #e60012);
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(15, 18, 28, 0.04);
}

.page-about #about-quality .about-certs li::before {
  content: "";
  flex-shrink: 0;
  width: 7px;
  height: 7px;
  margin-top: 0.06em;
  border-radius: 50%;
  background: var(--brand, #e60012);
  opacity: 0.92;
}

@media (max-width: 1200px) {
  .about-business {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about #about-honors .about-honors {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .about-certs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .about-intro__media {
    flex: 1 1 100%;
    max-width: 100%;
  }

  .about-intro__body {
    flex: 1 1 100%;
    justify-content: flex-start;
  }

  .page-about #about-honors .about-honors {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-split__media {
    max-width: 100%;
  }
}

@media (max-width: 640px) {
  .about-business {
    grid-template-columns: 1fr;
  }

  .page-about #about-honors .about-honors {
    grid-template-columns: 1fr;
  }

  .about-certs {
    grid-template-columns: 1fr;
  }
}

/* 我们的客户 — 与首页一致的双行 Logo 跑马灯 */
.page-about #about-clients .about-head {
  margin-bottom: clamp(24px, 2.8vw, 36px);
}

.page-about #about-clients > .home-partners-marquee {
  position: relative;
  z-index: 1;
  gap: clamp(16px, 2vw, 22px);
  padding: clamp(8px, 1vw, 12px) 0 clamp(8px, 1vw, 12px);
}

.page-about #about-clients .home-partners-marquee__row {
  flex: 0 0 auto;
}

.page-about #about-clients .home-partners-marquee__item {
  width: clamp(152px, 14vw, 196px);
  min-height: clamp(72px, 7vw, 88px);
  padding: clamp(12px, 1.2vw, 16px) clamp(14px, 1.4vw, 18px);
  background: #fff;
  border-color: rgba(0, 0, 0, 0.07);
}

.page-about #about-clients .home-partners-marquee__item img {
  display: block;
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
}

@media (max-width: 720px) {
  .page-about #about-clients .home-partners-marquee__item {
    width: clamp(132px, 38vw, 168px);
    min-height: clamp(64px, 18vw, 76px);
    padding: 10px 12px;
  }
}

/* 发展历程 — 横向轮播（参考柯泰克 about-history-list） */
.page-about #about-history .about-history-carousel {
  --about-history-accent: var(--brand, #e60012);
  --about-history-accent-ring: rgba(230, 0, 18, 0.48);
  --about-history-year-color: #fff;
  --about-history-year-bg: rgba(255, 255, 255, 0.16);
  --about-history-year-border: rgba(255, 255, 255, 0.28);
  --about-history-axis: rgba(255, 255, 255, 0.32);
  --about-history-text: rgba(255, 255, 255, 0.92);
  --about-history-bullet-bg: transparent;
  --about-history-nav-bg: rgba(255, 255, 255, 0.14);
  --about-history-nav-border: rgba(255, 255, 255, 0.26);
  --about-history-nav-color: #fff;
  --about-history-year-h: 44px;
  --about-history-arrow-h: 18px;
  --about-history-dot-size: 12px;
  --about-history-dot-ring: 20px;
  --about-history-year-text-gap: clamp(16px, 1.6vw, 22px);
  --about-history-axis-gap: calc(
    var(--about-history-arrow-h) + var(--about-history-dot-size) / 2 + 22px
  );
  --about-history-nav-size: 48px;
  --about-history-nav-inset: clamp(2px, 0.35vw, 8px);
  --about-history-nav-center: calc(var(--about-history-nav-inset) + var(--about-history-nav-size) / 2);
  --about-history-nav-gutter: clamp(64px, 7vw, 88px);
  position: relative;
  isolation: isolate;
  margin: 0;
  padding: clamp(48px, 5vw, 64px) var(--about-history-nav-gutter);
  border-radius: clamp(12px, 1.2vw, 16px);
  border: 1px solid var(--about-history-panel-border, rgba(255, 255, 255, 0.16));
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06) inset,
    0 12px 32px rgba(15, 18, 28, 0.18);
  box-sizing: border-box;
  background-color: #2c323e;
  background-image:
    var(--about-history-panel-bg),
    url("../img/about-bg-history.jpg?v=1");
  background-position: center, center 38%;
  background-size: cover;
  background-repeat: no-repeat;
}

.page-about #about-history .about-history-carousel::after {
  content: none;
}

.page-about #about-history .about-history-carousel::before {
  content: "";
  position: absolute;
  top: 50%;
  right: var(--about-history-nav-center);
  left: var(--about-history-nav-center);
  border-top: 1px solid var(--about-history-axis);
  pointer-events: none;
  z-index: 1;
}

.page-about #about-history .about-history-carousel__swiper.about-history-list {
  position: relative;
  overflow: hidden;
  z-index: 2;
}

.page-about #about-history .about-history-slide {
  position: relative;
  height: clamp(360px, 34vw, 408px);
  box-sizing: border-box;
}

.page-about #about-history .about-history-slide::before,
.page-about #about-history .about-history-slide::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.page-about #about-history .about-history-slide::before {
  width: var(--about-history-dot-ring);
  height: var(--about-history-dot-ring);
  background: var(--about-history-accent-ring);
}

.page-about #about-history .about-history-slide::after {
  width: var(--about-history-dot-size);
  height: var(--about-history-dot-size);
  background: var(--about-history-accent);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.95);
}

.page-about #about-history .about-history-slide__item {
  position: absolute;
  left: 0;
  width: 100%;
  transition: transform 0.22s ease;
}

.page-about #about-history .about-history-slide:nth-child(odd) .about-history-slide__item {
  top: calc(50% + var(--about-history-axis-gap));
  bottom: 0;
  padding-top: var(--about-history-year-h);
}

.page-about #about-history .about-history-slide:nth-child(even) .about-history-slide__item {
  top: 0;
  bottom: calc(50% + var(--about-history-axis-gap));
  padding-bottom: var(--about-history-year-h);
}

.page-about #about-history .about-history-slide__year {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: var(--about-history-year-h);
  margin: 0;
  padding: 0 8px;
  font-size: clamp(16px, 1.35vw, 20px);
  font-weight: 700;
  line-height: var(--about-history-year-h);
  text-align: center;
  color: var(--about-history-year-color, var(--color-title, #333));
  background: var(--about-history-year-bg);
  border: 1px solid var(--about-history-year-border);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.22);
  box-sizing: border-box;
}

.page-about #about-history .about-history-slide__year::before {
  content: "";
  position: absolute;
  bottom: 100%;
  left: 50%;
  margin-left: -9px;
  border: 0 solid transparent;
  border-width: 0 9px 18px;
  border-bottom-color: var(--about-history-year-bg);
}

.page-about #about-history .about-history-slide__text {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 120px;
  padding: 0 clamp(6px, 0.65vw, 10px) 10px;
  box-sizing: border-box;
}

.page-about #about-history .about-history-slide__desc {
  margin-top: 8px;
  font-size: clamp(14px, 1.02vw, 15px);
  line-height: 1.68;
  color: var(--about-history-text);
}

.page-about #about-history .about-history-slide__desc p {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 0;
}

.page-about #about-history .about-history-slide__desc p::before {
  content: "";
  flex: 0 0 5px;
  width: 5px;
  height: 5px;
  margin-top: calc((1.68em - 8px) / 2);
  border: 1.5px solid currentColor;
  border-radius: 50%;
  background: var(--about-history-bullet-bg);
  box-sizing: border-box;
  opacity: 0.75;
}

.page-about #about-history .about-history-slide__desc p + p {
  margin-top: 10px;
}

.page-about #about-history .about-history-slide:nth-child(odd) .about-history-slide__text {
  justify-content: flex-start;
  padding: var(--about-history-year-text-gap) clamp(6px, 0.65vw, 10px) 0;
}

.page-about #about-history .about-history-slide:nth-child(odd) .about-history-slide__desc {
  margin-top: 0;
}

.page-about #about-history .about-history-slide:nth-child(even) .about-history-slide__text {
  padding-bottom: var(--about-history-year-text-gap);
}

.page-about #about-history .about-history-slide:nth-child(even) .about-history-slide__year {
  top: auto;
  bottom: 0;
}

.page-about #about-history .about-history-slide:nth-child(even) .about-history-slide__year::before {
  top: 100%;
  bottom: auto;
  border-width: 18px 9px 0;
  border-bottom-color: transparent;
  border-top-color: var(--about-history-year-bg);
}

.page-about #about-history .about-history-carousel__nav {
  position: absolute;
  top: 50%;
  z-index: 3;
  width: var(--about-history-nav-size);
  height: var(--about-history-nav-size);
  margin: calc(var(--about-history-nav-size) / -2) 0 0;
  padding: 0;
  border: none;
  border-radius: 50%;
  color: var(--about-history-nav-color, var(--color-title, #333));
  background: var(--about-history-nav-bg);
  border: 1px solid var(--about-history-nav-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease,
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    color 0.2s ease;
}

.page-about #about-history .about-history-carousel__nav::after {
  font-size: 16px;
  font-weight: 700;
}

.page-about #about-history .about-history-carousel__nav--prev {
  left: var(--about-history-nav-inset);
  right: auto;
}

.page-about #about-history .about-history-carousel__nav--next {
  right: var(--about-history-nav-inset);
  left: auto;
}

.page-about #about-history .about-history-carousel__nav.swiper-button-disabled {
  opacity: 0.35;
  cursor: default;
  pointer-events: none;
}

@media (hover: hover) and (pointer: fine) {
  .page-about #about-history .about-history-carousel__nav:not(.swiper-button-disabled):hover {
    transform: scale(1.04);
    background: #fff;
    border-color: rgba(230, 0, 18, 0.28);
    color: var(--brand, #e60012);
    box-shadow: 0 6px 20px rgba(15, 18, 28, 0.1);
  }
}

/* 769–1024：保留 PC「轴上一段 / 轴下一段」交替，加高 slide 避免裁切 */
@media (max-width: 1024px) and (min-width: 769px) {
  .page-about #about-history .about-history-carousel {
    --about-history-nav-gutter: clamp(56px, 7vw, 80px);
    --about-history-year-text-gap: clamp(14px, 1.5vw, 20px);
    padding: clamp(44px, 4.8vw, 56px) var(--about-history-nav-gutter);
  }

  .page-about #about-history .about-history-slide {
    height: clamp(420px, 44vw, 480px);
  }

  .page-about #about-history .about-history-slide__text {
    min-height: 108px;
  }

  .page-about #about-history .about-history-slide__desc {
    font-size: 14px;
    line-height: 1.66;
  }

  .page-about #about-history .about-history-slide__desc p + p {
    margin-top: 8px;
  }
}

/* ≤768：改为年份在上、正文均在轴下（手机更易读） */
@media (max-width: 768px) {
  .page-about #about-history .about-history-carousel {
    --about-history-nav-gutter: clamp(48px, 12vw, 56px);
    --about-history-year-text-gap: clamp(12px, 3vw, 16px);
    --about-history-axis-gap: calc(
      var(--about-history-arrow-h) + var(--about-history-dot-size) / 2 + 16px
    );
    margin-top: clamp(22px, 5vw, 28px);
    padding: clamp(32px, 8vw, 40px) var(--about-history-nav-gutter);
    --about-history-nav-size: 38px;
    --about-history-year-h: 36px;
    --about-history-arrow-h: 14px;
    --about-history-dot-size: 10px;
    --about-history-dot-ring: 18px;
  }

  .page-about #about-history .about-history-carousel__nav {
    width: var(--about-history-nav-size);
    height: var(--about-history-nav-size);
    margin-top: calc(var(--about-history-nav-size) / -2);
  }

  .page-about #about-history .about-history-slide {
    height: clamp(220px, 58vw, 280px);
  }

  .page-about #about-history .about-history-slide:nth-child(odd) .about-history-slide__item,
  .page-about #about-history .about-history-slide:nth-child(even) .about-history-slide__item {
    top: calc(50% + var(--about-history-axis-gap));
    bottom: 0;
    padding-top: var(--about-history-year-h);
    padding-bottom: 0;
  }

  .page-about #about-history .about-history-slide__year,
  .page-about #about-history .about-history-slide:nth-child(even) .about-history-slide__year {
    top: 0;
    bottom: auto;
    height: var(--about-history-year-h);
    line-height: var(--about-history-year-h);
  }

  .page-about #about-history .about-history-slide:nth-child(even) .about-history-slide__year::before {
    top: auto;
    bottom: 100%;
    border-width: 0 9px 18px;
    border-top-color: transparent;
    border-bottom-color: var(--about-history-year-bg);
  }

  .page-about #about-history .about-history-slide__text,
  .page-about #about-history .about-history-slide:nth-child(even) .about-history-slide__text {
    justify-content: flex-start;
    min-height: 0;
    padding: 0 clamp(4px, 1.2vw, 8px);
  }

  .page-about #about-history .about-history-slide:nth-child(odd) .about-history-slide__text {
    padding-top: var(--about-history-year-text-gap);
    padding-bottom: 8px;
  }

  .page-about #about-history .about-history-slide:nth-child(even) .about-history-slide__text {
    padding-top: var(--about-history-year-text-gap);
    padding-bottom: 8px;
  }
}

/* 无 JS：保留原竖向时间轴 */
.page-about #about-history .about-yongli-timeline--source {
  margin-top: clamp(40px, 4.5vw, 55px);
}

.page-about #about-history .about-history-carousel.is-ready + .about-yongli-timeline--source {
  display: none;
}

/* 关于环球 — Pad / 手机大板块（>1024 PC 保持 --about-pad-y: 72px 等不变） */
@media (max-width: 1024px) {
  .page-about {
    --about-block-gap: 55px;
    --about-pad-y: var(--about-block-gap);
    --about-pad-y-tight: var(--about-block-gap);
    --about-inner-y: clamp(28px, 3vw, 40px);
    --about-head-gap: clamp(24px, 2.5vw, 36px);
    --about-join-y: clamp(22px, 2.4vw, 28px);
    --about-blend-h: clamp(40px, 4.5vw, 56px);
  }

  body.page-about .page-banner.page-banner--has-bg {
    min-height: clamp(260px, 32vw, 360px);
    padding-top: var(--about-block-gap);
    padding-bottom: var(--about-block-gap);
  }

  /* 993–1024 仍显示左锚点：与 PC 同高 80px（勿压成 12px 内边距） */
  body.page-about .page-bread--with-anchors .page-bread__inner {
    min-height: 80px;
    padding-block: 0;
    align-items: stretch;
  }

  body.page-about .page-bread + .about-section.about-section--intro {
    padding-top: var(--about-block-gap);
  }

  body.page-about .about-section.about-section--last {
    padding-bottom: var(--about-block-gap);
  }
}

@media (max-width: 640px) {
  .page-about {
    --about-block-gap: 30px;
    --about-pad-y: var(--about-block-gap);
    --about-pad-y-tight: var(--about-block-gap);
    --about-inner-y: 22px;
    --about-head-gap: 20px;
    --about-join-y: 16px;
    --about-blend-h: 28px;
  }

  body.page-about .page-banner.page-banner--has-bg {
    min-height: clamp(200px, 50vw, 260px);
    padding-top: var(--about-block-gap);
    padding-bottom: var(--about-block-gap);
  }

  body.page-about .page-banner-lead {
    font-size: 14px;
  }

  body.page-about .about-section > .container {
    width: 100%;
    max-width: 100%;
    padding-inline: 14px;
    box-sizing: border-box;
  }

  body.page-about .about-section {
    scroll-margin-top: calc(var(--header-h, 82px) + 12px);
  }

  body.page-about .about-head {
    margin-bottom: var(--about-head-gap);
  }

  body.page-about .about-head__lead {
    font-size: 14px;
    line-height: 1.75;
  }

  body.page-about .about-intro {
    gap: 18px;
  }

  body.page-about .about-intro__media {
    box-shadow: 0 8px 28px rgba(15, 18, 28, 0.08);
  }

  body.page-about .about-intro__media img {
    min-height: clamp(200px, 52vw, 260px);
  }

  body.page-about .about-intro__lead {
    font-size: 14px;
    line-height: 1.75;
  }

  /* 关键数据：对齐技术实力页 .strength-kpi（2 列卡片；第 5 项占左格，框不居中） */
  body.page-about .about-section--intro .about-intro__stats.home-about-uni__trust {
    margin-top: 18px;
  }

  body.page-about .about-section--intro .about-intro__stats .home-about-uni__stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    width: 100%;
  }

  body.page-about .about-section--intro .about-intro__stats .home-about-uni__stats > li {
    box-sizing: border-box;
    min-width: 0;
    align-items: center;
    text-align: center;
    padding: 11px 8px 12px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 8px;
  }

  body.page-about .about-section--intro .about-intro__stats .home-about-uni__stat-num {
    font-size: clamp(22px, 6vw, 26px);
    font-weight: 700;
    line-height: 1.1;
    text-align: center;
    color: var(--brand, #e60012);
  }

  body.page-about .about-section--intro .about-intro__stats .home-about-uni__stat-value {
    font-variant-numeric: tabular-nums;
  }

  body.page-about .about-section--intro .about-intro__stats .home-about-uni__stat-side {
    font-size: 0.55em;
    font-weight: 700;
  }

  body.page-about .about-section--intro .about-intro__stats .home-about-uni__stat-side--plus {
    font-size: 0.65em;
  }

  body.page-about .about-section--intro .about-intro__stats .home-about-uni__stat-label {
    margin-top: 4px;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.35;
    text-align: center;
    white-space: normal;
    color: var(--color-copy, #666);
  }

  body.page-about #about-culture .about-head--culture {
    margin-bottom: var(--about-inner-y);
  }

  body.page-about #about-culture .about-culture__banner {
    margin-bottom: 14px;
    border-radius: 8px;
  }

  body.page-about #about-culture .about-culture-cards {
    padding: 14px;
    border-radius: 10px;
  }

  body.page-about #about-history .about-head__lead {
    font-size: 14px;
  }

  body.page-about #about-history .about-history-carousel {
    margin-top: var(--about-inner-y);
  }

  body.page-about #about-honors .about-honors__intro {
    font-size: 14px;
    line-height: 1.75;
  }

  body.page-about #about-honors .about-honors-certs {
    margin-top: var(--about-inner-y);
    padding-top: var(--about-join-y);
  }

  body.page-about #about-business .about-head {
    margin-bottom: var(--about-head-gap);
  }

  body.page-about #about-business .about-business__name {
    font-size: clamp(16px, 4.2vw, 18px);
  }

  body.page-about #about-business .about-business__text {
    font-size: 13px;
    line-height: 1.65;
  }

  body.page-about #about-clients .about-head {
    margin-bottom: 18px;
  }

  body.page-about #about-clients > .home-partners-marquee {
    gap: 12px;
    padding: 6px 0 8px;
  }

  body.page-about .about-section.about-section--last {
    padding-bottom: var(--about-block-gap);
  }

  body.page-about .page-bread + .about-section.about-section--intro {
    padding-top: var(--about-block-gap);
  }

  body.page-about .about-eyebrow {
    font-size: 13px;
    margin-bottom: 10px;
  }

  body.page-about .about-eyebrow__mark {
    width: 22px;
  }

  body.page-about .about-section__title {
    font-size: clamp(18px, 5.2vw, 22px);
    line-height: 1.35;
  }

  body.page-about .about-section__title:not(.about-section__title--center) {
    margin-bottom: 14px;
  }

  body.page-about .about-section--intro .about-section__title {
    font-size: clamp(19px, 5.4vw, 22px);
  }

  body.page-about .about-intro__body {
    min-width: 0;
  }

  body.page-about #about-culture .about-culture__banner img {
    aspect-ratio: auto;
    height: clamp(160px, 42vw, 220px);
  }

  body.page-about #about-culture .about-culture-card {
    padding: 14px 10px;
  }

  body.page-about #about-culture .about-culture-card__icon {
    width: 44px;
    height: 44px;
    margin-bottom: 10px;
  }

  body.page-about #about-culture .about-culture-card__icon svg {
    width: 24px;
    height: 24px;
  }

  body.page-about #about-culture .about-culture-card__title {
    font-size: 16px;
    margin-bottom: 8px;
  }

  body.page-about #about-culture .about-culture-card__text {
    font-size: 14px;
    line-height: 1.72;
  }

  body.page-about #about-culture .about-culture-card + .about-culture-card {
    padding-top: 16px;
    margin-top: 4px;
  }

  body.page-about #about-history.about-history-scene {
    padding-top: var(--about-block-gap);
    padding-bottom: var(--about-block-gap);
  }

  body.page-about #about-history .about-history-carousel {
    border-radius: 10px;
    --about-history-nav-size: 32px;
    --about-history-nav-inset: 2px;
    --about-history-nav-gutter: 34px;
    --about-history-year-h: 32px;
    --about-history-arrow-h: 12px;
    --about-history-dot-size: 9px;
    --about-history-dot-ring: 16px;
    --about-history-year-text-gap: 8px;
    --about-history-axis-gap: calc(
      var(--about-history-arrow-h) + var(--about-history-dot-size) / 2 + 10px
    );
    margin-top: 18px;
    padding: 20px var(--about-history-nav-gutter) 16px;
  }

  body.page-about #about-history .about-history-carousel__nav {
    width: var(--about-history-nav-size);
    height: var(--about-history-nav-size);
    margin-top: calc(var(--about-history-nav-size) / -2);
  }

  body.page-about #about-history .about-history-slide {
    height: clamp(320px, 92vw, 400px);
    min-width: 0;
  }

  body.page-about #about-history .about-history-slide__item {
    min-width: 0;
  }

  body.page-about #about-history .about-history-slide__year {
    font-size: 15px;
    border-radius: 4px;
  }

  body.page-about #about-history .about-history-slide__text,
  body.page-about #about-history .about-history-slide:nth-child(odd) .about-history-slide__text,
  body.page-about #about-history .about-history-slide:nth-child(even) .about-history-slide__text {
    min-width: 0;
    padding-inline: 0;
    padding-top: var(--about-history-year-text-gap);
    padding-bottom: 4px;
  }

  body.page-about #about-history .about-history-slide__desc {
    min-width: 0;
    margin-top: 4px;
    font-size: 13px;
    line-height: 1.65;
    overflow-wrap: break-word;
  }

  /* 避免 flex 段落把长句裁成单行 */
  body.page-about #about-history .about-history-slide__desc p {
    display: block;
    position: relative;
    min-width: 0;
    padding-left: 13px;
    overflow-wrap: break-word;
  }

  body.page-about #about-history .about-history-slide__desc p::before {
    position: absolute;
    left: 0;
    top: 0.52em;
    margin-top: 0;
  }

  body.page-about #about-history .about-history-slide__desc p + p {
    margin-top: 7px;
  }

  /* ≤640 竖排时间轴（保留源 HTML，不启用 Swiper） */
  body.page-about #about-history .about-history-carousel.is-vertical {
    padding: 18px 10px 20px;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-history-carousel__nav {
    display: none;
  }

  body.page-about #about-history .about-history-carousel.is-vertical::before {
    content: none;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-history-carousel__swiper {
    overflow: visible;
  }

  /* 竖排 + 中线左右交错（沿用 flip 结构） */
  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline {
    --about-yongli-axis: 50%;
    --about-yongli-year-fs: 15px;
    --about-yongli-text-fs: 13px;
    /* 年份/卡片与中线间距（勿低于 12px，否则贴轴） */
    --about-yongli-year-gap: 14px;
    --about-yongli-dot-size: 10px;
    --about-yongli-dot-border: 2px;
    --about-yongli-dot-line: 12px;
    --about-yongli-dot-track: 24px;
    --about-yongli-card-gap: 10px;
    --about-yongli-card-offset: 34px;
    --about-yongli-row-pad: 13px;
    --about-yongli-entry-gap: 10px;
    --about-yongli-edge-inset: 0;
    margin: 0;
    padding: 4px 0 2px;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline::before {
    left: var(--about-yongli-axis);
    transform: translateX(-50%);
    width: 1px;
    background: rgba(255, 255, 255, 0.32);
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__item {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: flex-start;
    padding: var(--about-yongli-row-pad) 0;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__item:first-child {
    padding-top: 8px;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__item:last-child {
    padding-bottom: 6px;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__list {
    margin: 0;
    padding: 0;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__col {
    width: 50%;
    min-width: 0;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__col--left {
    text-align: right;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__col--right {
    text-align: left;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__year {
    display: inline-block;
    margin-top: 2px;
    padding: 4px 10px;
    font-size: var(--about-yongli-year-fs);
    font-weight: 700;
    line-height: 1.3;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.02em;
    color: #fff;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.26);
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.12);
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__col--left .about-yongli-timeline__year {
    margin-right: var(--about-yongli-year-gap);
    padding-right: 0;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__col--right .about-yongli-timeline__year {
    margin-left: var(--about-yongli-year-gap);
    padding-left: 0;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__entry {
    display: flex;
    align-items: flex-start;
    max-width: 100%;
    margin-bottom: var(--about-yongli-entry-gap);
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__item--flip .about-yongli-timeline__entry {
    flex-direction: row-reverse;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__item--flip .about-yongli-timeline__dot {
    flex-direction: row-reverse;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__dot {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    width: var(--about-yongli-dot-track);
    margin-top: 6px;
  }

  /* 圆环中心落在中轴（50%）上；年份/卡片仍靠 --about-yongli-year-gap、--about-yongli-card-gap 留白 */
  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__col--right .about-yongli-timeline__dot {
    margin-left: calc(-1 * (var(--about-yongli-dot-size) / 2 + var(--about-yongli-dot-border)));
    margin-right: 0;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__col--left .about-yongli-timeline__dot {
    margin-right: calc(-1 * (var(--about-yongli-dot-size) / 2 + var(--about-yongli-dot-border)));
    margin-left: 0;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__dot-line {
    display: block;
    background: rgba(255, 255, 255, 0.35);
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__dot-ring {
    width: var(--about-yongli-dot-size);
    height: var(--about-yongli-dot-size);
    border-width: var(--about-yongli-dot-border);
    border-color: #fff;
    background: var(--about-yongli-brand);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.85);
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__card {
    flex: 0 1 auto;
    min-width: 0;
    padding: 8px 9px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 6px;
    box-shadow: none;
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__col--right .about-yongli-timeline__card {
    margin-left: var(--about-yongli-card-gap);
    margin-right: 0;
    width: min(100%, calc(100% - var(--about-yongli-card-offset)));
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__col--left .about-yongli-timeline__card {
    margin-right: var(--about-yongli-card-gap);
    margin-left: 0;
    width: min(100%, calc(100% - var(--about-yongli-card-offset)));
  }

  body.page-about #about-history .about-history-carousel.is-vertical .about-yongli-timeline__text {
    font-size: var(--about-yongli-text-fs);
    line-height: 1.62;
    color: rgba(255, 255, 255, 0.92);
  }

  body.page-about #about-honors.about-section--scene {
    padding-top: var(--about-block-gap);
    padding-bottom: var(--about-block-gap);
  }

  body.page-about #about-honors .about-honors-head {
    margin-bottom: var(--about-head-gap);
  }

  body.page-about #about-honors .about-honors-head__row {
    gap: 12px;
  }

  body.page-about #about-honors .about-honors {
    gap: 10px;
  }

  body.page-about #about-honors .about-honors__col {
    padding: 16px 14px 18px;
    border-radius: 10px;
  }

  body.page-about #about-honors .about-honors__count-num {
    font-size: clamp(28px, 8vw, 34px);
  }

  body.page-about #about-honors .about-honors__tier {
    font-size: 14px;
    margin-bottom: 10px;
    padding-bottom: 8px;
  }

  body.page-about #about-honors .about-honors__list,
  body.page-about #about-honors .about-honors__metrics {
    font-size: 13px;
    line-height: 1.65;
  }

  body.page-about #about-honors .about-honors__more {
    width: 100%;
    justify-content: center;
    padding: 10px 16px;
    font-size: 13px;
    white-space: normal;
    text-align: center;
  }

  body.page-about #about-honors .about-honors-certs__title {
    font-size: clamp(17px, 4.8vw, 20px);
  }

  body.page-about #about-honors .about-honor-certs__lead {
    font-size: 14px;
    line-height: 1.75;
  }

  body.page-about #about-business.about-business-scene {
    padding-top: var(--about-block-gap);
    padding-bottom: var(--about-block-gap);
  }

  body.page-about #about-business .about-business {
    gap: 12px;
  }

  body.page-about #about-business .about-business__item {
    padding: 16px 14px;
    border-radius: 10px;
    min-width: 0;
  }

  body.page-about #about-clients.about-section--clients {
    padding-top: var(--about-block-gap);
    padding-bottom: var(--about-block-gap);
  }

  body.page-about #about-clients .about-head__lead {
    font-size: 14px;
    line-height: 1.75;
  }
}