.page-about {
  --about-line: rgba(10, 42, 74, 0.14);
  --about-line-soft: rgba(10, 42, 74, 0.08);
  --about-band: #EFE6D6;
  --about-celadon-deep: #3E797B;
  --about-gold-soft: rgba(212, 175, 55, 0.16);
  background: var(--cg-shell);
  color: var(--cg-body-ink);
  overflow-x: clip;
}

/* ---------- 首屏封面 ---------- */
.page-about .about-cover {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.25rem, 3vw, 2.25rem) clamp(3rem, 7vw, 5.5rem);
  background:
    radial-gradient(115% 85% at 88% -12%, rgba(95, 158, 160, 0.34), transparent 62%),
    linear-gradient(155deg, #0A2A4A 0%, #123A5E 54%, #0A2A4A 100%);
  color: var(--cg-shell);
}

.page-about .about-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(246, 241, 231, 0.05) 0 1px, transparent 1px 96px);
}

.page-about .about-crumb {
  position: relative;
  z-index: 1;
  color: rgba(246, 241, 231, 0.6);
  font-size: 0.8rem;
}

.page-about .about-crumb a {
  color: rgba(246, 241, 231, 0.85);
  text-decoration: none;
}

.page-about .about-crumb a:hover,
.page-about .about-crumb a:focus-visible {
  color: var(--cg-gold);
}

.page-about .about-cover__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3rem);
  margin-top: clamp(1.5rem, 4vw, 2.75rem);
}

.page-about .about-cover__eyebrow {
  margin: 0 0 1rem;
  color: var(--cg-gold);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
}

.page-about .about-cover__title {
  margin: 0;
  max-width: 16ch;
  font-family: var(--cg-serif);
  font-weight: 700;
  font-size: clamp(2.1rem, 6vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: #FFFFFF;
  text-wrap: balance;
}

.page-about .about-cover__text {
  margin: clamp(1rem, 2.5vw, 1.5rem) 0 0;
  max-width: 46ch;
  font-size: clamp(0.98rem, 1.05vw, 1.06rem);
  line-height: 1.88;
  color: rgba(246, 241, 231, 0.82);
}

.page-about .about-cover__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.2rem, 4vw, 3rem);
  margin: clamp(1.6rem, 4vw, 2.5rem) 0 0;
  padding: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  border-top: 1px solid rgba(246, 241, 231, 0.16);
}

.page-about .about-cover__facts li {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  color: rgba(246, 241, 231, 0.66);
}

.page-about .about-cover__facts .cg-num {
  font-family: var(--cg-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1;
  color: var(--cg-gold);
  letter-spacing: 0;
}

.page-about .about-cover__figure {
  margin: 0;
  padding: 9px;
  border: 1px solid rgba(212, 175, 55, 0.38);
  background: rgba(246, 241, 231, 0.04);
}

.page-about .about-cover__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-about .about-cover__figure-cap {
  margin-top: 0.7rem;
  padding-left: 0.15rem;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: rgba(246, 241, 231, 0.55);
}

.page-about .about-cover__note {
  margin: 0;
  font-size: 0.74rem;
  line-height: 1.9;
  letter-spacing: 0.14em;
  color: rgba(246, 241, 231, 0.45);
}

@media (min-width: 1080px) {
  .page-about .about-cover__grid {
    grid-template-columns: 2.2rem minmax(0, 1.25fr) minmax(0, 1fr);
    align-items: end;
    column-gap: clamp(2rem, 4.5vw, 4.5rem);
  }

  .page-about .about-cover__lead {
    grid-column: 2;
    grid-row: 1;
  }

  .page-about .about-cover__figure {
    grid-column: 3;
    grid-row: 1;
  }

  .page-about .about-cover__note {
    grid-column: 1;
    grid-row: 1;
    writing-mode: vertical-rl;
    align-self: end;
    padding-bottom: 0.5rem;
  }
}

/* ---------- 时间线 ---------- */
.page-about .about-chron {
  padding-block: clamp(3.25rem, 8vw, 6.5rem);
  background: var(--cg-shell);
}

.page-about .about-chron__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-about .about-chron__heading {
  margin: 0.65rem 0 0;
  font-family: var(--cg-serif);
  font-weight: 700;
  font-size: var(--cg-h2);
  line-height: 1.16;
  color: var(--cg-navy);
}

.page-about .about-chron__intro {
  margin: 0;
  max-width: 46ch;
  font-size: var(--cg-body);
  line-height: 1.9;
  color: var(--cg-muted);
}

.page-about .about-chron__list {
  --chron-pad: clamp(1.4rem, 4vw, 3rem);
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--chron-pad);
}

.page-about .about-chron__list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 1px;
  background: linear-gradient(180deg, var(--cg-gold) 0%, rgba(212, 175, 55, 0.34) 58%, rgba(212, 175, 55, 0) 100%);
}

.page-about .about-chron__item {
  position: relative;
  padding-bottom: clamp(2rem, 4.5vw, 3.25rem);
}

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

.page-about .about-chron__item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--chron-pad) - 3px);
  top: 0.7rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cg-gold);
  box-shadow: 0 0 0 4px var(--about-gold-soft);
  transition: box-shadow 200ms ease;
}

.page-about .about-chron__item:hover::before {
  box-shadow: 0 0 0 6px var(--about-gold-soft);
}

.page-about .about-chron__stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.85rem;
  margin: 0 0 0.6rem;
}

.page-about .about-chron__year {
  font-family: var(--cg-serif);
  font-size: clamp(1.7rem, 4.4vw, 2.6rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cg-navy);
  font-variant-numeric: tabular-nums;
  transition: color 200ms ease;
}

.page-about .about-chron__item:hover .about-chron__year {
  color: var(--about-celadon-deep);
}

.page-about .about-chron__phase {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--about-celadon-deep);
  border: 1px solid rgba(95, 158, 160, 0.5);
  border-radius: 999px;
  padding: 0.2rem 0.65rem;
}

.page-about .about-chron__title {
  margin: 0 0 0.55rem;
  font-family: var(--cg-serif);
  font-weight: 600;
  font-size: clamp(1.1rem, 1.7vw, 1.32rem);
  line-height: 1.5;
  color: var(--cg-navy);
}

.page-about .about-chron__text {
  margin: 0;
  max-width: 62ch;
  font-size: var(--cg-body);
  line-height: 1.9;
  color: var(--cg-body-ink);
}

.page-about .about-rhythm {
  margin-top: clamp(2rem, 5vw, 3.25rem);
  padding-top: clamp(1.1rem, 3vw, 1.6rem);
  border-top: 1px solid var(--about-line);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 2.5rem;
}

.page-about .about-rhythm__item {
  margin: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: var(--cg-navy);
  letter-spacing: 0.03em;
}

.page-about .about-rhythm__item .cg-num {
  font-family: var(--cg-serif);
  font-size: 1.35rem;
  color: var(--cg-gold);
}

.page-about .about-rhythm__note {
  margin: 0;
  flex: 1 1 14rem;
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--cg-muted);
}

@media (min-width: 900px) {
  .page-about .about-chron__head {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: end;
    column-gap: clamp(2rem, 6vw, 5rem);
  }
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  padding-block: clamp(3.25rem, 8vw, 6.5rem);
  background: var(--cg-paper);
  border-top: 1px solid var(--about-line-soft);
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-team__head {
  max-width: 62ch;
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}

.page-about .about-team__heading {
  margin: 0.65rem 0 0;
  font-family: var(--cg-serif);
  font-weight: 700;
  font-size: var(--cg-h2);
  line-height: 1.16;
  color: var(--cg-navy);
}

.page-about .about-team__lead {
  margin: 1rem 0 0;
  font-size: var(--cg-body);
  line-height: 1.9;
  color: var(--cg-body-ink);
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3.5rem);
}

.page-about .about-team__roles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--about-line-soft);
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-team__role {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  align-items: start;
  gap: 0.9rem;
  padding: 1.25rem 0.25rem;
  background: var(--cg-paper);
}

.page-about .about-team__num {
  font-family: var(--cg-serif);
  font-size: clamp(1.8rem, 3.4vw, 2.4rem);
  line-height: 1;
  color: var(--about-celadon-deep);
  font-variant-numeric: tabular-nums;
}

.page-about .about-team__role-title {
  margin: 0 0 0.4rem;
  font-family: var(--cg-serif);
  font-weight: 600;
  font-size: 1.08rem;
  letter-spacing: 0.02em;
  color: var(--cg-navy);
}

.page-about .about-team__role-text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--cg-body-ink);
}

.page-about .about-team__figure {
  margin: 0;
  align-self: start;
}

.page-about .about-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--about-line);
  box-shadow: var(--cg-shadow-s);
}

.page-about .about-team__figure figcaption {
  margin-top: 0.75rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--cg-gold);
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--cg-muted);
}

@media (min-width: 900px) {
  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-about .about-team__figure {
    margin-top: clamp(0rem, 2vw, 2.5rem);
  }
}

/* ---------- 服务原则 ---------- */
.page-about .about-principles {
  padding-block: clamp(3.25rem, 8vw, 6.5rem);
  background: var(--about-band);
}

.page-about .about-principles__head {
  max-width: 60ch;
}

.page-about .about-principles__heading {
  margin: 0.65rem 0 0;
  font-family: var(--cg-serif);
  font-weight: 700;
  font-size: var(--cg-h2);
  line-height: 1.16;
  color: var(--cg-navy);
}

.page-about .about-principles__lead {
  margin: 1rem 0 0;
  font-size: var(--cg-body);
  line-height: 1.9;
  color: var(--cg-body-ink);
}

.page-about .about-principles__coast {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(1.75rem, 4vw, 2.75rem);
}

.page-about .about-principles__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2rem);
}

.page-about .about-principles__item {
  padding-top: 1.1rem;
  border-top: 1px solid rgba(10, 42, 74, 0.22);
}

.page-about .about-principles__index {
  display: block;
  font-family: var(--cg-serif);
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  color: var(--about-celadon-deep);
}

.page-about .about-principles__title {
  margin: 0.5rem 0 0.55rem;
  font-family: var(--cg-serif);
  font-weight: 600;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  color: var(--cg-navy);
}

.page-about .about-principles__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--cg-body-ink);
}

@media (min-width: 800px) {
  .page-about .about-principles__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.5rem, 3.5vw, 3rem);
  }

  .page-about .about-principles__item:nth-child(2) {
    margin-top: 1.75rem;
  }

  .page-about .about-principles__item:nth-child(3) {
    margin-top: 3.5rem;
  }
}

/* ---------- 合作与认可 ---------- */
.page-about .about-partners {
  padding-block: clamp(3.25rem, 8vw, 6.5rem);
  background: var(--cg-shell);
}

.page-about .about-partners__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 3.5rem);
  align-items: start;
}

.page-about .about-partners__heading {
  margin: 0.65rem 0 0;
  font-family: var(--cg-serif);
  font-weight: 700;
  font-size: var(--cg-h2);
  line-height: 1.16;
  color: var(--cg-navy);
}

.page-about .about-partners__lead {
  margin: 1rem 0 0;
  max-width: 48ch;
  font-size: var(--cg-body);
  line-height: 1.9;
  color: var(--cg-body-ink);
}

.page-about .about-partners__types {
  list-style: none;
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-about .about-partners__types li {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--about-line);
  border-radius: 999px;
  background: var(--cg-paper);
  font-size: 0.82rem;
  color: var(--cg-navy);
}

.page-about .about-partners__types .cg-num {
  font-family: var(--cg-serif);
  font-size: 1rem;
  color: var(--cg-gold);
}

.page-about .about-partners__honor {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--cg-gold);
  font-size: 0.92rem;
  line-height: 1.9;
  color: var(--cg-body-ink);
}

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

.page-about .about-partners__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border: 1px solid var(--about-line);
  box-shadow: var(--cg-shadow-s);
}

.page-about .about-partners__figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--cg-muted);
}

@media (min-width: 900px) {
  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: clamp(2rem, 6vw, 4.5rem);
  }

  .page-about .about-partners__figure {
    margin-top: 1.5rem;
  }
}

/* ---------- 下一页入口 ---------- */
.page-about .about-next {
  padding-block: clamp(2.75rem, 7vw, 5rem);
  background: linear-gradient(160deg, #0A2A4A 0%, #123A5E 100%);
  color: var(--cg-shell);
}

.page-about .about-next__head {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-about .about-next__eyebrow {
  margin: 0;
  color: var(--cg-gold);
  font-size: 0.76rem;
  letter-spacing: 0.18em;
}

.page-about .about-next__heading {
  margin: 0.75rem 0 0;
  font-family: var(--cg-serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.22;
  color: #FFFFFF;
}

.page-about .about-next__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(246, 241, 231, 0.14);
  border-top: 1px solid rgba(246, 241, 231, 0.14);
  border-bottom: 1px solid rgba(246, 241, 231, 0.14);
}

.page-about .about-next__link {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.1rem 0.25rem;
  background: transparent;
  text-decoration: none;
  color: inherit;
  transition: background-color 180ms ease, padding-left 180ms ease;
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  background: rgba(212, 175, 55, 0.1);
  padding-left: 0.6rem;
}

.page-about .about-next__link-title {
  font-family: var(--cg-serif);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #FFFFFF;
}

.page-about .about-next__link:hover .about-next__link-title,
.page-about .about-next__link:focus-visible .about-next__link-title {
  color: var(--cg-gold);
}

.page-about .about-next__link-text {
  font-size: 0.85rem;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.66);
}

@media (min-width: 800px) {
  .page-about .about-next__links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
  }

  .page-about .about-next__link {
    padding: 1.4rem 1.1rem 1.4rem 0.9rem;
    min-height: 8.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-chron__item::before,
  .page-about .about-chron__year,
  .page-about .about-next__link {
    transition: none;
  }

  .page-about .about-next__link:hover,
  .page-about .about-next__link:focus-visible {
    padding-left: 0.25rem;
  }
}
<<<END>>>