.page-about {
  --about-rail-w: 226px;
  --about-gap: clamp(24px, 4vw, 52px);
}

/* 面包屑（页面内布局补充） */
.page-about .crumbs {
  padding-top: clamp(18px, 3vw, 30px);
}
.page-about .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
}
.page-about .crumbs a {
  color: var(--indigo);
  text-decoration: none;
}
.page-about .crumbs a:hover,
.page-about .crumbs a:focus-visible {
  color: var(--amber);
}

/* ============ 首屏拼贴 ============ */
.page-about .about-hero {
  display: grid;
  gap: clamp(16px, 2.6vw, 28px);
  margin-top: clamp(20px, 3vw, 34px);
}

.page-about .about-hero__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4.6vw, 60px);
  border-radius: var(--radius-l) var(--radius-l) var(--radius-l) 6px;
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(217, 154, 43, .22) 0%, rgba(217, 154, 43, 0) 58%),
    linear-gradient(152deg, var(--indigo) 0%, var(--ink) 100%);
  color: var(--paper);
}
.page-about .about-hero__panel::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(242, 208, 138, .34);
  border-radius: 50%;
  pointer-events: none;
}

.page-about .about-hero__coords {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-about .about-hero h1 {
  margin: 0 0 20px;
  line-height: 1.02;
  color: var(--paper);
}

.page-about .about-hero__lede {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(16px, 1.4vw, 17.5px);
  line-height: 1.85;
  color: rgba(245, 240, 230, .8);
}

.page-about .about-hero__cta {
  margin-top: clamp(22px, 3vw, 32px);
  gap: 12px;
}

.page-about .about-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}
.page-about .about-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.page-about .about-hero__fact dt {
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(245, 240, 230, .58);
}
.page-about .about-hero__fact dd {
  margin: 0;
  font-size: 18px;
  color: var(--gold);
}

.page-about .about-hero__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: 6px var(--radius-l) var(--radius-l) var(--radius-l);
  background: linear-gradient(140deg, var(--indigo), var(--ink));
  aspect-ratio: 9 / 7;
}
.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-about .about-hero__cap {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 6px 10px;
  border-radius: 3px;
  background: rgba(14, 20, 32, .74);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}

/* ============ 侧栏 + 正文骨架 ============ */
.page-about .about-shell {
  display: grid;
  gap: var(--about-gap);
  align-items: start;
  padding-top: clamp(30px, 5vw, 64px);
  padding-bottom: clamp(30px, 5vw, 64px);
}

.page-about .about-rail__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--slate);
}
.page-about .about-rail__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}
.page-about .about-rail__item {
  flex: 0 0 auto;
}
.page-about .about-rail__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-bottom: 2px solid transparent;
  color: var(--ink-soft);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}
.page-about .about-rail__no {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--amber);
}
.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  color: var(--indigo);
  border-bottom-color: var(--amber);
  background: rgba(217, 154, 43, .08);
}

.page-about .about-block + .about-block,
.page-about .about-block + .about-cta {
  margin-top: clamp(34px, 5vw, 68px);
}
.page-about .about-block {
  padding-top: clamp(26px, 3.6vw, 44px);
  border-top: 1px solid var(--line);
}
.page-about .about-block__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(16px, 2.2vw, 24px);
}
.page-about .about-block__head .secnum {
  font-size: 12px;
  letter-spacing: .12em;
}
.page-about .about-block__head h2 {
  margin: 0;
  color: var(--indigo);
}
.page-about .about-block__lede {
  margin-top: 0;
  color: var(--ink-soft);
}
.page-about .prose {
  max-width: 74ch;
}
.page-about .prose + .prose {
  margin-top: 14px;
}
.page-about .about-links {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
}

.page-about .about-quote {
  margin: clamp(24px, 3.2vw, 36px) 0 0;
  padding: clamp(22px, 3vw, 34px) clamp(22px, 3vw, 36px);
  border-left: 4px solid var(--amber);
  border-radius: var(--radius-m);
  background: var(--ink);
  color: var(--paper);
}
.page-about .about-quote p {
  max-width: 48ch;
  margin: 0;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.7;
  color: rgba(245, 240, 230, .92);
}

/* ============ 横向时间线 ============ */
.page-about .about-track {
  margin-top: clamp(18px, 2.4vw, 26px);
  padding: 6px 4px 18px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.page-about .about-track:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
  border-radius: var(--radius-m);
}
.page-about .about-track__list {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .about-stage {
  flex: 0 0 min(300px, 76vw);
  scroll-snap-align: start;
  padding: 22px 22px 24px;
  border-top: 3px solid var(--amber);
  border-radius: var(--radius-m);
  background: var(--white);
  box-shadow: var(--shadow-1);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}
.page-about .about-stage:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}
.page-about .about-stage__no {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--vermilion);
}
.page-about .about-stage__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 400;
  line-height: 1.25;
  color: var(--indigo);
}
.page-about .about-stage__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ============ 团队与流程 ============ */
.page-about .about-team {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}
.page-about .about-team__text p {
  margin-top: 0;
  color: var(--ink-soft);
}
.page-about .about-team__figure {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-l) 6px var(--radius-l) var(--radius-l);
  background: var(--paper-warm);
}
.page-about .about-team__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}
.page-about .about-team__cap,
.page-about .about-eco__cap {
  display: block;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--slate);
  background: var(--paper-warm);
}

.page-about .about-flow {
  counter-reset: about-step;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-flow li {
  position: relative;
  counter-increment: about-step;
  padding-left: 44px;
  margin-bottom: 14px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink-soft);
}
.page-about .about-flow li:last-child {
  margin-bottom: 0;
}
.page-about .about-flow li::before {
  content: counter(about-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--paper-warm);
  color: var(--indigo);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
}

/* ============ 五大栏目 ============ */
.page-about .about-catalog {
  display: grid;
  gap: 14px;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-cat {
  position: relative;
  padding: 22px 22px 24px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--paper-warm);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms var(--ease);
}
.page-about .about-cat::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  border-radius: 3px;
  background: var(--celadon);
}
.page-about .about-cat:hover {
  transform: translateY(-3px);
  border-color: rgba(217, 154, 43, .55);
  box-shadow: var(--shadow-1);
}
.page-about .about-cat__no {
  display: block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--slate);
}
.page-about .about-cat__title {
  margin: 0 0 8px;
  font-family: var(--font-ui);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--indigo);
}
.page-about .about-cat__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ============ 合作生态 ============ */
.page-about .about-eco__figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
  overflow: hidden;
  border-radius: var(--radius-l);
  background: var(--paper-warm);
}
.page-about .about-eco__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-about .about-badges {
  display: grid;
  gap: 14px;
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-badge {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--white);
  box-shadow: var(--shadow-1);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms var(--ease);
}
.page-about .about-badge:hover,
.page-about .about-badge:focus-within {
  transform: translateY(-3px);
  border-color: var(--amber);
  box-shadow: var(--shadow-2);
}
.page-about .about-badge:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}
.page-about .about-badge__year {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--vermilion);
}
.page-about .about-badge__name {
  font-family: var(--font-ui);
  font-size: 16px;
  font-weight: 600;
  color: var(--indigo);
}
.page-about .about-badge__more {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
  transition: max-height 220ms var(--ease), opacity 220ms var(--ease), margin-top 220ms var(--ease);
}
.page-about .about-badge:hover .about-badge__more,
.page-about .about-badge:focus-within .about-badge__more {
  max-height: 8em;
  opacity: 1;
  margin-top: 6px;
}

/* ============ 结尾行动区 ============ */
.page-about .about-cta {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(38px, 5vw, 70px);
  padding: clamp(28px, 4.4vw, 56px);
  border-radius: var(--radius-l) var(--radius-l) 6px var(--radius-l);
  background:
    radial-gradient(90% 140% at 6% 0%, rgba(91, 140, 123, .28) 0%, rgba(91, 140, 123, 0) 60%),
    var(--indigo-deep);
  color: var(--paper);
}
.page-about .about-cta .eyebrow {
  color: var(--gold);
}
.page-about .about-cta h2 {
  margin: 8px 0 14px;
  color: var(--paper);
}
.page-about .about-cta p {
  max-width: 58ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 240, 230, .8);
}
.page-about .about-cta__links {
  gap: 12px;
  align-self: end;
}

/* ============ 断点 ============ */
@media (min-width: 700px) {
  .page-about .about-catalog {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-about .about-badges {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-shell {
    grid-template-columns: var(--about-rail-w) minmax(0, 1fr);
  }
  .page-about .about-rail {
    position: sticky;
    top: 104px;
  }
  .page-about .about-rail__label {
    margin-bottom: 16px;
  }
  .page-about .about-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-about .about-rail__item {
    flex: 1 1 auto;
  }
  .page-about .about-rail__link {
    border-bottom: 0;
    border-left: 2px solid transparent;
    padding: 10px 0 10px 14px;
    white-space: normal;
  }
  .page-about .about-rail__link:hover,
  .page-about .about-rail__link:focus-visible {
    border-left-color: var(--amber);
    border-bottom-color: transparent;
  }
  .page-about .about-team {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
  .page-about .about-catalog {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-about .about-cta {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: end;
  }
}

@media (min-width: 1080px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    align-items: stretch;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</｜｜DSML｜｜ invoke>