.page-about {
  background: var(--cream);
  color: var(--graphite);
  font-family: var(--font-body);
  overflow-x: clip;
}

.page-about img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-about .mono {
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  color: var(--cream);
  padding: clamp(20px, 4vw, 34px) 0 clamp(44px, 7vw, 88px);
  background:
    radial-gradient(90% 120% at 88% -10%, rgba(31, 158, 138, 0.26), transparent 62%),
    linear-gradient(160deg, var(--hall-2) 0%, var(--hall) 52%, var(--ink) 100%);
}

.page-about .about-hero__slice {
  position: absolute;
  z-index: -1;
  right: -14%;
  top: -26%;
  width: 62%;
  height: 140%;
  background: linear-gradient(150deg, var(--terra) 0%, var(--terra-deep) 100%);
  opacity: 0.82;
  transform: rotate(-9deg);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
  padding-top: clamp(14px, 3vw, 26px);
}

.page-about .about-hero .crumbs {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: rgba(247, 242, 232, 0.66);
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: clamp(14px, 2.4vw, 24px);
}

.page-about .about-hero .crumbs a {
  color: var(--lake-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t) var(--ease), color var(--t) var(--ease);
}

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

.page-about .about-hero .crumbs [aria-current="page"] {
  color: var(--gold);
}

.page-about .about-hero__kicker {
  display: inline-block;
  margin: 0 0 12px;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--lake-soft);
  border: 1px solid rgba(191, 227, 239, 0.34);
  border-radius: 999px;
}

.page-about .about-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 7vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--cream);
  text-wrap: balance;
}

.page-about .about-hero__intro {
  margin: 0 0 26px;
  max-width: 52ch;
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(247, 242, 232, 0.86);
}

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

.page-about .about-hero__figure {
  margin: 0;
  position: relative;
}

.page-about .about-hero__shot {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-dark);
  box-shadow: 0 34px 64px -34px rgba(0, 0, 0, 0.8);
}

.page-about .about-hero__shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-hero__cap {
  margin-top: 10px;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(247, 242, 232, 0.6);
}

/* ---------- 章节抬头 ---------- */

.page-about .section-head__kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--terra-deep);
}

.page-about .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--hall);
}

/* ---------- 时间线 ---------- */

.page-about .about-timeline {
  padding: clamp(44px, 7vw, 92px) 0 clamp(28px, 4vw, 44px);
  background: var(--cream);
}

.page-about .about-timeline__lead {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(43, 47, 51, 0.82);
}

.page-about .about-index {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--hall);
  border: 1px solid var(--line-dark);
}

.page-about .about-index__label {
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-about .about-index__link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--lake-soft);
  text-decoration: none;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

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

.page-about .timeline {
  position: relative;
  list-style: none;
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-about .timeline__item {
  position: relative;
  display: grid;
  gap: 8px;
  padding-left: 26px;
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: calc(-1 * clamp(26px, 4vw, 40px));
  width: 2px;
  background: linear-gradient(180deg, var(--terra) 0%, rgba(217, 95, 43, 0.12) 100%);
}

.page-about .timeline__item:last-child::before {
  bottom: 12px;
}

.page-about .timeline__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cream);
  border: 2px solid var(--gold);
}

.page-about .timeline__item--now::after {
  border-color: var(--peacock);
  box-shadow: 0 0 0 4px rgba(31, 158, 138, 0.16);
}

.page-about .timeline__year {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6.4vw, 2.8rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--stone);
}

@supports (-webkit-text-stroke: 1px #000) {
  .page-about .timeline__year {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--terra-deep);
  }
}

.page-about .timeline__meta {
  margin: 0 0 6px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--lake);
}

.page-about .timeline__body h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  line-height: 1.3;
  color: var(--hall);
}

.page-about .timeline__body p {
  margin: 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(43, 47, 51, 0.86);
}

.page-about .about-workbench {
  margin: clamp(32px, 5vw, 56px) 0 0;
  display: grid;
  gap: 12px;
}

.page-about .about-workbench__frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
}

.page-about .about-workbench__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-about .about-workbench figcaption {
  padding-left: 12px;
  border-left: 3px solid var(--peacock);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(43, 47, 51, 0.74);
}

/* ---------- 材质过渡带 ---------- */

.page-about .about-texture {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: flex;
  align-items: center;
  margin-top: clamp(36px, 6vw, 76px);
  min-height: clamp(200px, 32vw, 340px);
  background: var(--hall);
}

.page-about .about-texture__img {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  mix-blend-mode: multiply;
  opacity: 0.78;
}

.page-about .about-texture::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(5, 13, 11, 0.94) 0%, rgba(5, 13, 11, 0.6) 58%, rgba(5, 13, 11, 0.24) 100%);
}

.page-about .about-texture__inner {
  padding-top: clamp(34px, 6vw, 62px);
  padding-bottom: clamp(34px, 6vw, 62px);
  color: var(--cream);
}

.page-about .about-texture__kicker {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-about .about-texture__text {
  margin: 0;
  max-width: 26ch;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.6vw, 2.15rem);
  line-height: 1.4;
  color: var(--cream);
}

/* ---------- 规模数字 ---------- */

.page-about .about-scale {
  padding: clamp(44px, 7vw, 88px) 0;
  background: var(--cream);
}

.page-about .scale-grid {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .scale-grid__item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--stone);
  transition: background var(--t) var(--ease);
}

.page-about .scale-grid__item:hover {
  background: var(--cream);
}

.page-about .scale-grid__num {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  line-height: 1.05;
  color: var(--hall);
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px;
}

.page-about .scale-grid__num small {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--terra-deep);
}

.page-about .scale-grid__label {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.65;
  color: rgba(43, 47, 51, 0.8);
}

.page-about .about-scale__note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: 64ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: rgba(43, 47, 51, 0.82);
}

/* ---------- 色彩 ---------- */

.page-about .about-palette {
  padding: clamp(44px, 7vw, 88px) 0;
  background: var(--hall);
  color: var(--cream);
}

.page-about .about-palette .section-head__kicker {
  color: var(--gold);
}

.page-about .about-palette .section-head__title {
  color: var(--cream);
}

.page-about .about-palette__lead {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(247, 242, 232, 0.78);
}

.page-about .palette-strip {
  list-style: none;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.page-about .palette-strip__item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius);
  background: rgba(247, 242, 232, 0.04);
  transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-about .palette-strip__item:hover,
.page-about .palette-strip__item:focus-within {
  border-color: var(--gold);
  background: rgba(247, 242, 232, 0.09);
}

.page-about .palette-strip__swatch {
  display: block;
  height: 54px;
  border-radius: 8px;
  border: 1px solid rgba(247, 242, 232, 0.14);
}

.page-about .palette-strip__item--terra .palette-strip__swatch {
  background: var(--terra);
}

.page-about .palette-strip__item--lake .palette-strip__swatch {
  background: var(--lake);
}

.page-about .palette-strip__item--peacock .palette-strip__swatch {
  background: var(--peacock);
}

.page-about .palette-strip__item--hall .palette-strip__swatch {
  background: var(--hall-2);
}

.page-about .palette-strip__item--gold .palette-strip__swatch {
  background: var(--gold);
}

.page-about .palette-strip__name {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--cream);
}

.page-about .palette-strip__use {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(247, 242, 232, 0.72);
}

/* ---------- 团队 ---------- */

.page-about .about-team {
  padding: clamp(44px, 7vw, 88px) 0;
  background: var(--cream);
}

.page-about .team-drawers {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: clamp(24px, 4vw, 40px);
}

.page-about .team-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 18px 20px;
  background: var(--stone);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-about .team-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--terra);
  transition: background var(--t) var(--ease);
}

.page-about .team-card:hover,
.page-about .team-card:focus-within {
  background: var(--cream);
  border-color: var(--terra);
  transform: translateY(-2px);
}

.page-about .team-card:hover::before {
  background: var(--peacock);
}

.page-about .team-card__idx {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--lake);
}

.page-about .team-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--hall);
}

.page-about .team-card__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--terra-deep);
  display: flex;
  align-items: baseline;
  gap: 3px;
}

.page-about .team-card__count span {
  font-family: var(--font-display);
  font-size: 1.7rem;
  line-height: 1;
  color: var(--hall);
}

.page-about .team-card__duty {
  margin: 4px 0 0;
  font-size: 0.875rem;
  line-height: 1.78;
  color: rgba(43, 47, 51, 0.82);
}

.page-about .about-team__rhythm {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--peacock);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--lake-soft);
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--hall);
}

.page-about .about-team__rhythm a {
  color: var(--terra-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: color var(--t) var(--ease);
}

.page-about .about-team__rhythm a:hover,
.page-about .about-team__rhythm a:focus-visible {
  color: var(--hall);
}

/* ---------- 下一站 ---------- */

.page-about .about-next {
  padding: clamp(44px, 7vw, 84px) 0;
  background: linear-gradient(155deg, var(--hall) 0%, var(--ink) 100%);
  color: var(--cream);
}

.page-about .about-next__inner {
  display: grid;
  gap: 16px;
  max-width: 700px;
}

.page-about .about-next__kicker {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-about .about-next h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.6vw, 2.25rem);
  line-height: 1.28;
  color: var(--cream);
}

.page-about .about-next p {
  margin: 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(247, 242, 232, 0.8);
}

.page-about .about-next__cta {
  justify-self: start;
  margin-top: 4px;
}

.page-about .about-next__aside {
  font-size: 0.875rem;
  color: rgba(247, 242, 232, 0.66);
}

.page-about .about-next__aside a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-about .about-next__aside a:hover,
.page-about .about-next__aside a:focus-visible {
  color: var(--lake-soft);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-about .about-hero__shot {
    aspect-ratio: 16 / 10;
  }

  .page-about .about-texture__text {
    max-width: 30ch;
  }
}

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

  .page-about .about-hero__figure {
    margin-top: clamp(10px, 3vw, 40px);
  }

  .page-about .timeline {
    gap: 44px;
  }

  .page-about .timeline::before {
    content: "";
    position: absolute;
    left: 210px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: linear-gradient(180deg, var(--terra) 0%, rgba(217, 95, 43, 0.12) 100%);
  }

  .page-about .timeline__item {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 40px;
    padding-left: 0;
    align-items: start;
  }

  .page-about .timeline__item::before {
    display: none;
  }

  .page-about .timeline__item::after {
    left: 204px;
    top: 8px;
  }

  .page-about .timeline__year {
    text-align: right;
    padding-right: 4px;
  }

  .page-about .about-workbench {
    margin-left: 230px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-about .team-card:hover,
  .page-about .team-card:focus-within {
    transform: none;
  }
}
<<<END>>>