.page-about {
  --ax-line: rgba(10, 43, 36, .14);
  --ax-line-soft: rgba(10, 43, 36, .08);
  --ax-glow: rgba(255, 106, 26, .16);
  background: var(--paper);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-about .ax-hero {
  padding: clamp(26px, 4.6vw, 56px) var(--gutter) clamp(38px, 5.6vw, 76px);
  background:
    radial-gradient(120% 88% at 92% 0%, rgba(127, 178, 201, .18), transparent 60%),
    linear-gradient(180deg, #F3EFE4 0%, var(--paper) 70%);
}

.page-about .ax-hero__inner {
  max-width: var(--maxw);
  margin-inline: auto;
}

.page-about .ax-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .ax-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
}

.page-about .ax-hero__copy {
  min-width: 0;
}

.page-about .ax-hero__title {
  margin: 10px 0 0;
  color: var(--ink);
  letter-spacing: .045em;
  line-height: 1.16;
  max-width: 15em;
}

.page-about .ax-hero__lede {
  max-width: 36em;
  margin-top: clamp(14px, 2vw, 20px);
}

.page-about .ax-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(24px, 3.2vw, 36px);
  background: var(--ax-line);
  border: 1px solid var(--ax-line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-about .ax-fact {
  background: var(--paper);
  padding: 15px 16px 17px;
}

.page-about .ax-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(21px, 2.3vw, 28px);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-about .ax-fact__num em {
  font-style: normal;
  font-size: .52em;
  color: var(--gray);
  margin-left: 2px;
  letter-spacing: 0;
}

.page-about .ax-fact__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gray);
  line-height: 1.5;
}

.page-about .ax-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px solid var(--ax-line-soft);
}

.page-about .ax-jump a {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-2);
  text-decoration: none;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--ax-line);
  background: rgba(255, 255, 255, .55);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .ax-jump a:hover,
.page-about .ax-jump a:focus-visible,
.page-about .ax-jump a.is-current {
  color: var(--ink);
  border-color: var(--flame);
  background: rgba(255, 106, 26, .13);
}

.page-about .ax-hero__figure {
  margin: 0;
  min-width: 0;
}

.page-about .ax-hero__frame {
  position: relative;
  aspect-ratio: 7 / 5;
  border-radius: 26px 26px 26px 90px;
  overflow: hidden;
  background: var(--ink-2);
}

.page-about .ax-hero__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about .ax-hero__figure .figure__cap {
  margin-top: 12px;
}

/* ---------- 章节骨架 ---------- */
.page-about .ax-section {
  padding: clamp(42px, 5.6vw, 82px) var(--gutter);
  border-top: 1px solid var(--ax-line-soft);
  scroll-margin-top: 84px;
}

.page-about .ax-section--quiet {
  background: linear-gradient(180deg, rgba(228, 232, 230, .55), rgba(250, 247, 240, 0) 78%);
}

.page-about .ax-section__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 26px);
  max-width: var(--maxw);
  margin-inline: auto;
}

.page-about .ax-section__head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-about .ax-section__node {
  width: 13px;
  height: 13px;
  flex: none;
  border-radius: 50%;
  background: var(--flame);
  box-shadow: 0 0 0 6px var(--ax-glow);
}

.page-about .ax-section__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gray);
}

.page-about .ax-section__body {
  min-width: 0;
}

.page-about .ax-h2 {
  margin: 0 0 clamp(12px, 1.6vw, 18px);
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.24;
  letter-spacing: .045em;
  color: var(--ink);
  max-width: 20em;
}

.page-about .ax-intro {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-about .ax-note {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
  padding-left: 16px;
  border-left: 3px solid var(--flame-soft);
}

/* ---------- 标签墙 ---------- */
.page-about .ax-tagwall {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-about .ax-taggroup {
  border-radius: var(--r-md);
  padding: 20px 20px 22px;
  border: 1px solid var(--ax-line);
  background: var(--paper);
}

.page-about .ax-taggroup--race {
  background: linear-gradient(158deg, rgba(10, 43, 36, .07), rgba(10, 43, 36, 0) 62%);
}

.page-about .ax-taggroup--data {
  background: linear-gradient(158deg, rgba(255, 106, 26, .11), rgba(255, 106, 26, 0) 62%);
}

.page-about .ax-taggroup--span {
  background: linear-gradient(158deg, rgba(127, 178, 201, .18), rgba(127, 178, 201, 0) 62%);
}

.page-about .ax-taggroup__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 15px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--ink-2);
}

.page-about .ax-taggroup__title::before {
  content: "";
  width: 18px;
  height: 3px;
  border-radius: 2px;
  background: var(--ink);
  flex: none;
}

.page-about .ax-taggroup--data .ax-taggroup__title::before {
  background: var(--flame);
}

.page-about .ax-taggroup--span .ax-taggroup__title::before {
  background: var(--ice);
}

.page-about .ax-taggroup__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .ax-tag {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink);
  background: rgba(10, 43, 36, .07);
  border: 1px solid rgba(10, 43, 36, .12);
}

.page-about .ax-taggroup--data .ax-tag {
  background: rgba(255, 106, 26, .13);
  border-color: rgba(255, 106, 26, .26);
}

.page-about .ax-taggroup--span .ax-tag {
  background: rgba(127, 178, 201, .18);
  border-color: rgba(127, 178, 201, .34);
}

/* ---------- 记录流程 ---------- */
.page-about .ax-flow-layout {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-about .ax-flow {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .ax-flow__step {
  position: relative;
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 24px;
}

.page-about .ax-flow__step:last-child {
  padding-bottom: 0;
}

.page-about .ax-flow__step::before {
  content: "";
  position: absolute;
  left: 25px;
  top: 52px;
  bottom: 0;
  width: 2px;
  background: var(--ax-line);
}

.page-about .ax-flow__step:last-child::before {
  display: none;
}

.page-about .ax-flow__idx {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ink);
  background: var(--cool);
  border: 1px solid var(--ax-line);
  position: relative;
  z-index: 1;
}

.page-about .ax-flow__step:last-child .ax-flow__idx {
  background: var(--flame);
  border-color: var(--flame);
  box-shadow: 0 0 0 6px var(--ax-glow);
}

.page-about .ax-flow__body {
  min-width: 0;
  padding-top: 6px;
}

.page-about .ax-flow__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--ink);
}

.page-about .ax-flow__desc {
  margin: 0;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-about .ax-flow__figure {
  margin: clamp(24px, 3vw, 32px) 0 0;
}

.page-about .ax-flow__frame {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-2);
  aspect-ratio: 3 / 2;
}

.page-about .ax-flow__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 发展脉络 ---------- */
.page-about .ax-growth {
  margin-top: clamp(20px, 3vw, 32px);
}

.page-about .ax-timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
  position: relative;
}

.page-about .ax-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--flame) 0%, var(--ink-2) 40%, var(--ink-2) 100%);
}

.page-about .ax-tl-item {
  position: relative;
  padding-bottom: clamp(22px, 3vw, 32px);
}

.page-about .ax-tl-item:last-child {
  padding-bottom: 0;
}

.page-about .ax-tl-item__mark {
  position: absolute;
  left: -30px;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--paper);
  border: 3px solid var(--ink-2);
  box-sizing: border-box;
}

.page-about .ax-tl-item:first-child .ax-tl-item__mark {
  border-color: var(--flame);
}

.page-about .ax-tl-item:last-child .ax-tl-item__mark {
  background: var(--flame);
  border-color: var(--flame);
  box-shadow: 0 0 0 5px var(--ax-glow);
}

.page-about .ax-tl-item__stage {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gray);
}

.page-about .ax-tl-item__title {
  margin: 0 0 7px;
  font-size: clamp(17px, 2.1vw, 21px);
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--ink);
}

.page-about .ax-tl-item__desc {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-about .ax-growth__figure {
  margin: clamp(26px, 3.4vw, 36px) 0 0;
}

.page-about .ax-growth__frame {
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-2);
  aspect-ratio: 10 / 7;
}

.page-about .ax-growth__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 团队与伙伴 ---------- */
.page-about .ax-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .ax-team__card {
  border-radius: var(--r-md);
  padding: clamp(20px, 2.6vw, 30px);
}

.page-about .ax-team__card--ink {
  background: var(--ink);
  color: #E7EFEB;
}

.page-about .ax-team__card--light {
  background: var(--cool);
  color: var(--text);
  border: 1px solid var(--ax-line);
}

.page-about .ax-team__title {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--flame);
}

.page-about .ax-team__card--light .ax-team__title {
  color: var(--ink-2);
}

.page-about .ax-mini {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(250, 247, 240, .16);
}

.page-about .ax-mini--dark {
  border-bottom-color: rgba(10, 43, 36, .14);
}

.page-about .ax-team__card--light .ax-mini:last-of-type {
  border-bottom: none;
}

.page-about .ax-mini__num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.1;
  color: #FFFFFF;
  flex: none;
  min-width: 4.6em;
}

.page-about .ax-mini--dark .ax-mini__num {
  color: var(--ink);
}

.page-about .ax-mini__txt {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(231, 239, 235, .8);
}

.page-about .ax-mini--dark .ax-mini__txt {
  color: var(--text-2);
}

.page-about .ax-team__text {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(231, 239, 235, .82);
  max-width: 34em;
}

.page-about .ax-team__card--light .ax-team__text {
  color: var(--text-2);
}

/* ---------- 选择理由 ---------- */
.page-about .ax-reasons {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
}

.page-about .ax-reason {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 18px;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--ax-line-soft);
}

.page-about .ax-reason:first-child {
  border-top: 1px solid var(--ax-line-soft);
}

.page-about .ax-reason__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--flame);
  padding-top: 6px;
}

.page-about .ax-reason__body {
  min-width: 0;
}

.page-about .ax-reason__title {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.1vw, 20px);
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--ink);
}

.page-about .ax-reason__desc {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ---------- 尾部入口 ---------- */
.page-about .ax-cta {
  background: var(--ink);
  padding: clamp(42px, 5.6vw, 76px) var(--gutter);
}

.page-about .ax-cta__inner {
  max-width: var(--maxw);
  margin-inline: auto;
}

.page-about .ax-cta__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--flame);
}

.page-about .ax-cta__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.22;
  letter-spacing: .045em;
  color: var(--paper);
  max-width: 16em;
}

.page-about .ax-cta__text {
  margin: 0 0 clamp(22px, 3vw, 30px);
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(250, 247, 240, .78);
}

.page-about .ax-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .ax-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-about .ax-tagwall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-about .ax-team {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .ax-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 0 clamp(32px, 5vw, 64px);
    align-items: end;
  }

  .page-about .ax-section__inner {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 0 clamp(28px, 4vw, 56px);
  }

  .page-about .ax-section__head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding-top: 10px;
  }

  .page-about .ax-section__head::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 36px;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, var(--ax-line), rgba(10, 43, 36, 0));
  }

  .page-about .ax-hero__frame {
    border-radius: 30px 30px 30px 130px;
  }
}

@media (min-width: 1000px) {
  .page-about .ax-flow-layout {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-about .ax-flow__figure {
    margin-top: 4px;
    position: sticky;
    top: 92px;
  }

  .page-about .ax-growth {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-about .ax-growth__figure {
    margin-top: 4px;
    position: sticky;
    top: 92px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ax-jump a {
    transition: none;
  }
}
</