.page-about {
  --about-cut: clamp(28px, 6vw, 64px);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  background: var(--sand);
  padding: clamp(34px, 6.5vw, 72px) 0 clamp(32px, 5vw, 58px);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: -14% -24% 34% 30%;
  background: linear-gradient(135deg, rgba(15, 92, 140, 0.18), rgba(228, 99, 42, 0.2));
  clip-path: polygon(22% 0, 100% 0, 100% 76%, 0 100%);
  pointer-events: none;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34%;
  height: 6px;
  background: var(--sunset);
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-about .about-hero__lead {
  max-width: 40ch;
}

.page-about .about-hero__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.05rem, 6.6vw, 4rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 12px 0 0;
  text-wrap: balance;
}

.page-about .about-hero__lede {
  margin: 18px 0 0;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.75;
  color: var(--ink);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-about .about-hero__panel {
  position: relative;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-left: 8px solid var(--lake);
  box-shadow: var(--shadow-paper);
  padding: clamp(18px, 3vw, 26px);
}

.page-about .about-hero__panel-label {
  margin: 0 0 16px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--lake);
  text-transform: uppercase;
}

.page-about .about-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}

.page-about .about-hero__stats li {
  border-top: 2px solid var(--rule);
  padding-top: 8px;
}

.page-about .about-hero__num {
  display: block;
  font-size: clamp(1.7rem, 4vw, 2.1rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--lake);
  letter-spacing: -0.02em;
}

.page-about .about-hero__stat-key {
  display: block;
  margin-top: 2px;
  font-size: 0.82rem;
  color: var(--ink);
}

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

.page-about .about-origin__grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-about .about-origin__aside {
  max-width: 42ch;
}

.page-about .origin-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-about .origin-jump__link {
  display: inline-block;
  padding: 6px 12px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--lake-deep);
  background: var(--sand);
  border: 1px solid var(--rule);
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .origin-jump__link:hover,
.page-about .origin-jump__link:focus-visible {
  background: var(--lake);
  color: var(--cream);
  transform: translateY(-2px);
}

.page-about .origin-track {
  list-style: none;
  margin: 0;
  padding: 4px 0 4px 26px;
  border-left: 2px solid var(--rule);
  display: grid;
  gap: clamp(24px, 3.4vw, 38px);
  max-width: 62ch;
}

.page-about .origin-track__item {
  position: relative;
}

.page-about .origin-track__item::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 8px;
  width: 12px;
  height: 12px;
  background: var(--sunset);
  border: 2px solid var(--cream);
  transform: rotate(45deg);
}

.page-about .origin-track__stage {
  margin: 0 0 8px;
}

.page-about .origin-track__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  line-height: 1.3;
  color: var(--ink);
}

.page-about .origin-track__text {
  margin: 8px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
}

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

.page-about .about-team__figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
  background: var(--cream);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-paper);
  padding: 10px;
}

.page-about .about-team__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: linear-gradient(120deg, var(--sand), var(--cream));
}

.page-about .about-team__caption {
  padding: 10px 6px 4px;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-about .about-team__cards {
  display: grid;
  gap: clamp(20px, 2.6vw, 28px);
  margin-top: clamp(30px, 4.4vw, 48px);
}

.page-about .about-team__card {
  position: relative;
  background: var(--cream);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-paper);
  padding: clamp(22px, 3vw, 30px) clamp(18px, 2.6vw, 26px) clamp(18px, 2.6vw, 24px);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-about .about-team__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--lake);
}

.page-about .about-team__card--design::before {
  background: var(--sunset);
}

.page-about .about-team__card--service::before {
  background: var(--barley);
}

.page-about .about-team__role {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--lake);
}

.page-about .about-team__card--design .about-team__role {
  color: var(--clay);
}

.page-about .about-team__card--service .about-team__role {
  color: var(--barley);
}

.page-about .about-team__count {
  display: block;
  margin: 10px 0 0;
  font-size: clamp(2.4rem, 6vw, 3.2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  letter-spacing: -0.03em;
}

.page-about .about-team__text {
  margin: 14px 0 0;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-about .about-team__more {
  margin: 16px 0 0;
  padding: 12px 14px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--ink);
  background: var(--sand);
  border-left: 3px solid var(--rule);
  transition: background-color 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-about .about-team__card:hover .about-team__more,
.page-about .about-team__card:focus-within .about-team__more {
  background: var(--sunset-soft);
  border-left-color: var(--sunset);
}

.page-about .about-team__more-key {
  display: inline-block;
  margin-right: 6px;
  font-weight: 700;
  color: var(--lake-deep);
}

/* ---------- 六大分类 ---------- */
.page-about .about-cats {
  padding: clamp(44px, 7vw, 88px) 0;
}

.page-about .cat-band {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-about .cat-band__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no title"
    ". text";
  column-gap: 14px;
  row-gap: 8px;
  align-items: start;
  background: var(--cream);
  border: 1px solid var(--rule);
  border-left: 8px solid var(--lake);
  padding: 20px 20px 22px;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-about .cat-band__item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
}

.page-about .cat-band__item--event { border-left-color: var(--sunset); }
.page-about .cat-band__item--account { border-left-color: var(--clay); }
.page-about .cat-band__item--tool { border-left-color: var(--barley); }
.page-about .cat-band__item--special { border-left-color: var(--lake-deep); }
.page-about .cat-band__item--help { border-left-color: var(--sunset-soft); }

.page-about .cat-band__no {
  grid-area: no;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--rule);
  letter-spacing: 0.06em;
  line-height: 1.4;
}

.page-about .cat-band__title {
  grid-area: title;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.4vw, 1.3rem);
  color: var(--ink);
  line-height: 1.4;
}

.page-about .cat-band__text {
  grid-area: text;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--ink);
}

.page-about .cadence {
  margin-top: clamp(32px, 5vw, 54px);
  background: var(--lake-deep);
  color: var(--cream);
  padding: clamp(24px, 3.6vw, 38px);
}

.page-about .cadence__heading {
  margin: 0 0 22px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.1rem, 2.6vw, 1.4rem);
  color: var(--cream);
  letter-spacing: 0.02em;
}

.page-about .cadence__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-about .cadence__item {
  border-top: 2px solid rgba(252, 247, 238, 0.35);
  padding-top: 12px;
}

.page-about .cadence__num {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--sunset-soft);
  letter-spacing: 0.08em;
}

.page-about .cadence__title {
  margin: 8px 0 0;
  font-weight: 700;
  font-size: 1rem;
  color: var(--cream);
}

.page-about .cadence__text {
  margin: 6px 0 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--cream);
}

/* ---------- 本地合作 ---------- */
.page-about .about-partner {
  padding: clamp(44px, 7vw, 88px) 0;
  background: var(--cream);
}

.page-about .about-partner__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-about .about-partner__text > p {
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
  max-width: 52ch;
}

.page-about .about-partner__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 52ch;
}

.page-about .about-partner__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--ink);
}

.page-about .about-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  background: var(--barley);
  transform: rotate(45deg);
}

.page-about .about-partner__text .btn {
  margin-top: 26px;
}

.page-about .about-partner__figure {
  margin: 0;
  background: var(--sand);
  border: 1px solid var(--rule);
  box-shadow: var(--shadow-paper);
  padding: 10px;
}

.page-about .about-partner__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  background: linear-gradient(160deg, var(--sand), var(--cream));
}

.page-about .about-partner__caption {
  padding: 10px 6px 4px;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 里程碑 ---------- */
.page-about .about-milestones {
  padding: clamp(44px, 7vw, 88px) 0;
  background: var(--sand);
}

.page-about .about-milestones__banner {
  margin: clamp(26px, 4vw, 40px) 0 clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  background: var(--lake-deep);
}

.page-about .about-milestones__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
}

.page-about .miles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-about .miles__item {
  position: relative;
  background: var(--cream);
  border: 1px solid var(--rule);
  padding: 20px 20px 22px;
}

.page-about .miles__item::before {
  content: "";
  position: absolute;
  top: -9px;
  left: 20px;
  width: 14px;
  height: 14px;
  background: var(--sunset);
  border: 2px solid var(--sand);
  transform: rotate(45deg);
}

.page-about .miles__phase {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--lake);
}

.page-about .miles__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.08rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-about .miles__text {
  margin: 8px 0 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 继续了解 ---------- */
.page-about .about-more {
  padding: clamp(44px, 7vw, 84px) 0 clamp(52px, 8vw, 96px);
  background: var(--cream);
}

.page-about .about-more__grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(24px, 3.6vw, 36px);
}

.page-about .about-more__card {
  display: block;
  text-decoration: none;
  background: var(--sand);
  border: 1px solid var(--rule);
  border-top: 6px solid var(--lake);
  padding: 22px 20px 24px;
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), background-color 0.28s var(--ease);
}

.page-about .about-more__card:nth-child(2) {
  border-top-color: var(--sunset);
}

.page-about .about-more__card:nth-child(3) {
  border-top-color: var(--barley);
}

.page-about .about-more__card:hover,
.page-about .about-more__card:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lift);
  background: var(--cream);
}

.page-about .about-more__label {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--lake-deep);
}

.page-about .about-more__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-about .about-more__text {
  margin: 8px 0 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-about .cat-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .cadence__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-about .about-more__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .miles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.82fr);
    align-items: end;
    gap: clamp(34px, 5vw, 76px);
  }

  .page-about .about-hero__panel {
    transform: translateY(10px) rotate(-0.5deg);
  }

  .page-about .about-origin__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.5fr);
    gap: clamp(36px, 5vw, 84px);
  }

  .page-about .about-team__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-about .about-team__card:nth-child(2) {
    margin-top: 36px;
  }

  .page-about .about-team__card:nth-child(3) {
    margin-top: 68px;
  }

  .page-about .about-partner__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: clamp(34px, 5vw, 72px);
  }

  .page-about .about-partner__figure {
    transform: translateY(-18px);
  }

  .page-about .miles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 1040px) {
  .page-about .cat-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__card,
  .page-about .cat-band__item,
  .page-about .about-more__card,
  .page-about .origin-jump__link,
  .page-about .about-team__more {
    transition: none;
  }

  .page-about .about-team__card:hover,
  .page-about .cat-band__item:hover,
  .page-about .about-more__card:hover,
  .page-about .origin-jump__link:hover {
    transform: none;
  }
}
<<<END>>>