.page-about {
  --about-rail: 76px;
  --about-hairline: var(--frost);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumb {
  padding-top: 32px;
  font-size: 13px;
}
.page-about .about-crumb {
  color: var(--track);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-about .about-crumb:hover {
  color: var(--sky);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 40px 0 72px;
}
.page-about .about-hero__grid {
  display: grid;
  gap: 32px;
}
.page-about .about-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 4rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--space);
}
.page-about .about-hero__hl {
  position: relative;
  color: var(--sky);
  display: inline-block;
}
.page-about .about-hero__hl::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.08em;
  height: 8px;
  background: linear-gradient(90deg, var(--ice), rgba(214, 231, 250, 0));
  border-radius: 4px;
  z-index: -1;
}
.page-about .about-hero__main .lede {
  margin-top: 22px;
}
.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-about .about-hero__panel {
  padding: 26px 24px;
  border-radius: var(--r-lg);
  align-self: start;
}
.page-about .about-hero__panel-kicker {
  margin: 0 0 16px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sky);
  text-transform: uppercase;
}
.page-about .about-facts {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
}
.page-about .about-facts__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--frost);
}
.page-about .about-facts__row:first-child {
  padding-top: 0;
}
.page-about .about-facts__k {
  font-size: 13px;
  color: var(--track);
  flex: none;
}
.page-about .about-facts__v {
  font-size: 14px;
  font-weight: 700;
  color: var(--space);
  text-align: right;
}

.page-about .about-hero__sweep {
  height: 3px;
  margin-top: 56px;
  background: linear-gradient(90deg, var(--sky) 0%, rgba(24, 118, 224, .12) 42%, rgba(255, 106, 43, 0) 100%);
  border-radius: 2px;
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  padding: 24px 0 8px;
}
.page-about .about-timeline__lede {
  margin-top: 16px;
}
.page-about .about-timeline__body {
  margin-top: 8px;
}

.page-about .about-stage {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 30px 0;
  border-top: 1px solid var(--about-hairline);
}
.page-about .about-stage--last {
  border-bottom: 1px solid var(--about-hairline);
}
.page-about .about-stage__rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.page-about .about-stage__num {
  font-size: 15px;
  font-weight: 700;
  color: var(--sky);
  background: var(--ice);
  border-radius: 999px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  flex: none;
}
.page-about .about-stage--last .about-stage__num {
  background: var(--orange);
  color: var(--paper);
}
.page-about .about-stage__line {
  flex: 1;
  width: 1px;
  min-height: 28px;
  background: linear-gradient(180deg, var(--frost), rgba(226, 232, 240, 0));
}
.page-about .about-stage__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  line-height: 1.28;
  color: var(--space);
}
.page-about .about-stage__text {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--track);
  max-width: 38em;
}
.page-about .about-stage__keys {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .38s var(--ease), opacity .3s var(--ease);
  opacity: 0;
  margin-top: 0;
}
.page-about .about-stage:hover .about-stage__keys,
.page-about .about-stage:focus-within .about-stage__keys {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: 14px;
}
.page-about .about-stage__keys-inner {
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  padding-top: 56px;
  padding-bottom: 56px;
}
.page-about .about-team__grid {
  display: grid;
  gap: 32px;
}
.page-about .about-team__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}
.page-about .about-team__figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-about .about-team__body .section-title {
  margin-top: 12px;
}
.page-about .about-team__body .prose {
  margin-top: 16px;
}
.page-about .about-roles {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}
.page-about .about-roles__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding-top: 18px;
  border-top: 1px solid var(--frost);
}
.page-about .about-roles__idx {
  font-size: 13px;
  font-weight: 700;
  color: var(--sky);
  padding-top: 3px;
}
.page-about .about-roles__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--space);
}
.page-about .about-roles__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--track);
}

/* ---------- 专家网络 ---------- */
.page-about .about-experts {
  padding-top: 64px;
  padding-bottom: 64px;
}
.page-about .about-experts__title {
  color: var(--paper);
  margin-top: 12px;
}
.page-about .about-experts__lede {
  color: rgba(247, 249, 252, .78);
  margin-top: 16px;
}
.page-about .about-experts__grid {
  margin-top: 40px;
}
.page-about .about-expert-card {
  grid-column: span 4;
  padding: 24px 22px 26px;
  border-radius: var(--r-md);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-about .about-expert-card__num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--gold);
}
.page-about .about-expert-card__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--paper);
}
.page-about .about-expert-card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(247, 249, 252, .72);
}
.page-about .about-experts__foot {
  margin: 34px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(247, 249, 252, .74);
}

/* ---------- 规模 ---------- */
.page-about .about-scale {
  padding-top: 64px;
  padding-bottom: 64px;
  background:
    radial-gradient(circle at 1px 1px, rgba(24, 118, 224, .16) 1px, transparent 1.6px) 0 0 / 22px 22px,
    var(--cloud);
}
.page-about .about-scale__figure {
  margin: 32px 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}
.page-about .about-scale__figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}
.page-about .about-scale__grid {
  margin-top: 34px;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--frost);
}
.page-about .about-scale__item {
  padding: 24px 0;
  border-bottom: 1px solid var(--frost);
}
.page-about .about-scale__num {
  display: block;
  font-size: clamp(2.4rem, 9vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--space);
}
.page-about .about-scale__suffix {
  font-size: 0.42em;
  font-weight: 700;
  margin-left: 4px;
  color: var(--sky);
  letter-spacing: 0;
}
.page-about .about-scale__unit {
  display: block;
  margin-top: 10px;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.page-about .about-scale__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--track);
  max-width: 32em;
}

/* ---------- 合作 ---------- */
.page-about .about-coop {
  padding-top: 64px;
  padding-bottom: 64px;
}
.page-about .about-coop__grid {
  display: grid;
  gap: 34px;
}
.page-about .about-coop__body .section-title {
  margin-top: 12px;
}
.page-about .about-coop__body .prose {
  margin-top: 16px;
}
.page-about .about-coop__list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}
.page-about .about-coop__item {
  padding: 18px 0 0;
  border-top: 2px solid var(--ice);
}
.page-about .about-coop__title {
  margin: 0;
  font-size: 16px;
  font-weight: 900;
  color: var(--space);
}
.page-about .about-coop__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--track);
}
.page-about .about-coop__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}
.page-about .about-coop__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}
.page-about .about-coop__figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* ---------- 联络 ---------- */
.page-about .about-contact {
  padding-top: 64px;
  padding-bottom: 72px;
}
.page-about .about-contact__lede {
  margin-top: 16px;
}
.page-about .about-contact__grid {
  margin-top: 36px;
  display: grid;
  gap: 18px;
}
.page-about .about-contact__item {
  padding: 24px 22px 26px;
  border-radius: var(--r-md);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.page-about .about-contact__label {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sky);
}
.page-about .about-contact__value {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--space);
  word-break: break-word;
}
.page-about .about-contact__value--text {
  font-family: var(--font-sans);
}
.page-about .about-contact__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--track);
}
.page-about .about-contact__item .copy-btn {
  margin-top: 4px;
}

/* ---------- 内联链接 ---------- */
.page-about .about-inline-link {
  color: var(--sky);
  text-decoration: none;
  border-bottom: 1px solid rgba(24, 118, 224, .35);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-about .about-inline-link:hover {
  color: var(--sky-deep);
  border-bottom-color: var(--sky-deep);
}

/* ---------- 响应式 ---------- */
@media (max-width: 599px) {
  .page-about .about-stage__keys {
    grid-template-rows: 1fr;
    opacity: 1;
    margin-top: 14px;
  }
  .page-about .about-expert-card {
    grid-column: span 4;
  }
}

@media (min-width: 600px) {
  .page-about .about-scale__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }
  .page-about .about-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 64px 0 96px;
  }
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.9fr);
    gap: 60px;
    align-items: end;
  }
  .page-about .about-hero__panel {
    padding: 30px 28px;
  }

  .page-about .about-stage {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    gap: 40px;
    padding: 48px 0;
    min-height: clamp(320px, 54vh, 500px);
    align-items: start;
  }
  .page-about .about-stage__num {
    width: 46px;
    height: 46px;
    font-size: 16px;
  }

  .page-about .about-team {
    padding-top: 88px;
    padding-bottom: 88px;
  }
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 56px;
    align-items: start;
  }
  .page-about .about-team__figure {
    margin-top: 36px;
  }

  .page-about .about-scale {
    padding-top: 88px;
    padding-bottom: 88px;
  }
  .page-about .about-scale__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-about .about-coop {
    padding-top: 88px;
    padding-bottom: 88px;
  }
  .page-about .about-coop__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.75fr);
    gap: 60px;
    align-items: center;
  }

  .page-about .about-contact {
    padding-top: 88px;
    padding-bottom: 96px;
  }
  .page-about .about-contact__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-stage {
    grid-template-columns: var(--about-rail) minmax(0, 1fr) minmax(0, 0.34fr);
    gap: 0 48px;
  }
  .page-about .about-stage__rail {
    grid-column: 1;
    align-items: flex-start;
  }
  .page-about .about-stage__body {
    grid-column: 2;
  }
  .page-about .about-stage__keys {
    grid-column: 3;
    grid-row: 1;
    margin-top: 6px;
    opacity: 1;
  }
  .page-about .about-stage:hover .about-stage__keys,
  .page-about .about-stage:focus-within .about-stage__keys {
    grid-template-rows: 1fr;
    margin-top: 6px;
  }
  .page-about .about-stage__keys-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (min-width: 1200px) {
  .page-about .about-scale__grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-stage__keys,
  .page-about .about-inline-link,
  .page-about .about-crumb {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</output>