.page-about {
  --about-gap: clamp(20px, 4vw, 56px);
  --about-tilt: 2deg;
  --about-ice-veil: rgba(63, 169, 245, 0.16);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-block: clamp(24px, 4vw, 44px) clamp(40px, 6vw, 80px);
}

.page-about .about-hero .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-h1);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 0.18em 0 0.5em;
}

.page-about .about-hero__mark {
  color: var(--ice);
  box-shadow: inset 0 -0.18em 0 rgba(255, 183, 3, 0.55);
}

.page-about .about-hero__lead {
  max-width: 34em;
  color: rgba(244, 247, 246, 0.82);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-about .about-hero__panel {
  padding: clamp(18px, 3vw, 30px);
  background: rgba(244, 247, 246, 0.05);
  border: 1px solid var(--line-dark);
  border-top: 2px solid var(--ice);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-about .about-hero__panel-label {
  margin: 0 0 18px;
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  color: var(--ice-soft);
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 16px;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 1px solid var(--line-dark);
}

.page-about .about-stat__num {
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
}

.page-about .about-stat__label {
  font-size: var(--fs-note);
  color: rgba(244, 247, 246, 0.66);
}

.page-about .about-hero__panel-note {
  margin: 20px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
  font-size: var(--fs-label);
  letter-spacing: 0.08em;
  color: var(--ice-soft);
}

/* ---------- 通用小件 ---------- */
.page-about .about-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-bottom: clamp(20px, 3vw, 36px);
}

.page-about .about-head .section-index {
  color: var(--ice);
}

.page-about .about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-prose p {
  max-width: 34em;
  margin: 0 0 1.1em;
}

.page-about .about-prose p:last-child {
  margin-bottom: 0;
}

.page-about .about-split__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-about .about-note {
  padding: 4px 0 4px 14px;
  border-left: 2px solid var(--ice);
}

.page-about .about-note p {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.75;
  color: var(--gray);
}

.page-about .about-note__title {
  margin-bottom: 6px !important;
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  color: var(--char);
}

.page-about .about-note--dark {
  border-left-color: var(--gold);
  background: rgba(244, 247, 246, 0.04);
  padding: 14px 16px 14px 18px;
}

.page-about .about-note--dark p {
  color: rgba(244, 247, 246, 0.72);
}

.page-about .about-note--dark .about-note__title {
  color: var(--ice-soft);
}

.page-about .link-arrow--on-dark {
  color: var(--ice-soft);
}

/* ---------- 校对 ---------- */
.page-about .about-proof__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .about-proof__figure {
  margin: 0;
}

.page-about .about-proof__figure img,
.page-about .about-history__figure img,
.page-about .about-creed__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-proof__lead {
  margin-top: 0;
  font-size: var(--fs-lead);
  line-height: 1.7;
  color: var(--char);
  max-width: 32em;
}

.page-about .proof-list {
  list-style: none;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-about .proof-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--line-light);
}

.page-about .proof-item__num {
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  color: var(--ice);
  padding-top: 4px;
}

.page-about .proof-item__title {
  margin: 0 0 6px;
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--char);
}

.page-about .proof-item p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--gray);
  max-width: 34em;
}

.page-about .about-proof__foot {
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: var(--fs-body);
  color: var(--char);
}

/* ---------- 团队 ---------- */
.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .team-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-about .team-row {
  padding: 14px 16px 16px;
  background: rgba(244, 247, 246, 0.035);
  border-left: 2px solid rgba(244, 247, 246, 0.14);
  transition: background-color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-about .team-row:hover,
.page-about .team-row:focus-within {
  background: rgba(63, 169, 245, 0.1);
  border-left-color: var(--gold);
}

.page-about .team-row__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-about .team-row__name {
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--frost);
}

.page-about .team-row__num {
  font-size: var(--fs-note);
  color: var(--gold);
}

.page-about .team-row__bar {
  position: relative;
  height: 8px;
  margin: 12px 0 10px;
  background: rgba(244, 247, 246, 0.1);
  overflow: hidden;
}

.page-about .team-row__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--ice), var(--ice-soft));
  transition: background 0.25s var(--ease);
}

.page-about .team-row:hover .team-row__fill,
.page-about .team-row:focus-within .team-row__fill {
  background: linear-gradient(90deg, var(--gold), #ffd166);
}

.page-about .team-row__fill--editor { width: 38.9%; }
.page-about .team-row__fill--data { width: 27.8%; }
.page-about .team-row__fill--fe { width: 22.2%; }
.page-about .team-row__fill--bi { width: 11.1%; }

.page-about .team-row__desc {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.7;
  color: rgba(244, 247, 246, 0.7);
  max-width: 38em;
}

.page-about .about-team__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

/* ---------- 时间线 ---------- */
.page-about .about-history__figure {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-about .about-ruler {
  margin: 0 0 clamp(20px, 3vw, 32px);
}

.page-about .about-ruler__svg {
  display: block;
  width: 100%;
  height: 26px;
}

.page-about .about-ruler__list {
  display: flex;
  justify-content: space-between;
  gap: 6px;
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
}

.page-about .about-ruler__list a {
  display: inline-block;
  padding: 2px 0;
  font-family: var(--font-mono);
  font-size: var(--fs-label);
  letter-spacing: 0.06em;
  color: var(--gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-ruler__list a:hover,
.page-about .about-ruler__list a:focus-visible {
  color: var(--char);
  border-bottom-color: var(--gold);
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 34px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--ice) 0%, rgba(63, 169, 245, 0.12) 100%);
  transform: rotate(var(--about-tilt));
  transform-origin: top left;
}

.page-about .tl-item {
  position: relative;
  padding: 0 0 clamp(22px, 3.4vw, 34px);
  scroll-margin-top: 96px;
}

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

.page-about .tl-item__dot {
  position: absolute;
  left: -30px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(255, 183, 3, 0.16);
}

.page-about .tl-item__year {
  margin: 0 0 4px;
  font-size: var(--fs-label);
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-about .tl-item__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: var(--fs-h4);
  font-weight: 800;
  color: var(--char);
  line-height: 1.25;
}

.page-about .tl-item__text {
  margin: 0;
  max-width: 36em;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--gray);
}

/* ---------- 伙伴 ---------- */
.page-about .about-partners__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.page-about .about-partner {
  padding: clamp(18px, 3vw, 30px);
  background: var(--ink-deep);
}

.page-about .about-partner__num {
  margin: 0 0 10px;
  font-size: var(--fs-h2);
  font-weight: 700;
  line-height: 1;
  color: var(--ice);
}

.page-about .about-partner__title {
  margin: 0 0 8px;
  font-size: var(--fs-h4);
  font-weight: 700;
  color: var(--frost);
}

.page-about .about-partner p {
  margin: 0;
  font-size: var(--fs-note);
  line-height: 1.75;
  color: rgba(244, 247, 246, 0.7);
}

/* ---------- 六条 ---------- */
.page-about .about-creed__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
}

.page-about .creed-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-about .creed-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line-light);
}

.page-about .creed-item:last-child {
  border-bottom: 1px solid var(--line-light);
}

.page-about .creed-item__no {
  padding-top: 3px;
  font-size: var(--fs-label);
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-about .creed-item p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--char);
  max-width: 30em;
}

.page-about .about-creed__figure {
  margin: 0;
}

.page-about .about-close {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 28px;
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(18px, 3vw, 28px);
  background: var(--ink);
  border-left: 4px solid var(--gold);
}

.page-about .about-close__text {
  margin: 0;
  max-width: 34em;
  font-size: var(--fs-body);
  line-height: 1.7;
  color: rgba(244, 247, 246, 0.84);
}

.page-about .about-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-about .about-partners__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .about-timeline {
    padding-left: 44px;
  }

  .page-about .tl-item:nth-child(even) {
    margin-left: clamp(0px, 4vw, 56px);
  }

  .page-about .tl-item__dot {
    left: -40px;
  }
}

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

  .page-about .about-split {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .page-about .about-proof__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: start;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-about .about-creed__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-about .about-split__aside,
  .page-about .about-team__aside {
    padding-top: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-row,
  .page-about .team-row__fill,
  .page-about .about-ruler__list a {
    transition: none;
  }

  .page-about .about-timeline::before {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>