.page-about {
  --about-on-dark: rgba(255, 255, 255, .78);
  --about-hairline: rgba(255, 255, 255, .16);
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

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

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 1.4rem 0 2.6rem;
  overflow: hidden;
}

.page-about .about-hero__wash {
  position: absolute;
  top: -24vw;
  right: -34vw;
  width: 92vw;
  height: 92vw;
  max-width: 720px;
  max-height: 720px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 38%, rgba(200, 16, 46, .20), rgba(242, 140, 40, .12) 52%, rgba(255, 255, 255, 0) 72%);
  pointer-events: none;
}

.page-about .about-hero__grid {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__title {
  margin: .7rem 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2rem, 9.2vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--ink);
  max-width: 22ch;
}

.page-about .about-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 48ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.6rem;
}

.page-about .about-hero__media {
  margin: 2rem 0 0;
}

.page-about .about-hero__media .media-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-float);
}

/* ---------- 数据条 ---------- */
.page-about .about-facts {
  list-style: none;
  margin: 2.4rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem 1.2rem;
}

.page-about .about-facts li {
  border-top: 2px solid var(--sand);
  padding-top: .7rem;
}

.page-about .about-facts li:nth-child(1) { border-color: var(--red); }
.page-about .about-facts li:nth-child(2) { border-color: var(--jade); }
.page-about .about-facts li:nth-child(3) { border-color: var(--gold); }
.page-about .about-facts li:nth-child(4) { border-color: var(--tangerine); }

.page-about .about-fact__num {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.45rem, 6.2vw, 2rem);
  line-height: 1.05;
  color: var(--ink);
}

.page-about .about-fact__label {
  display: block;
  margin-top: .35rem;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ink-3);
}

/* ---------- 时间线 ---------- */
.page-about .about-timeline {
  padding: 3rem 0 1rem;
}

.page-about .about-line {
  list-style: none;
  margin: 2.4rem 0 0;
  padding: 0 0 0 1.4rem;
  position: relative;
  display: grid;
  gap: 1.4rem;
}

.page-about .about-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5rem;
  bottom: .5rem;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--red), var(--gold) 52%, var(--jade));
  opacity: .45;
}

.page-about .about-line--tail {
  margin-top: 1.4rem;
}

.page-about .about-line__item {
  position: relative;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius-lg);
  padding: 1.05rem 1.15rem 1.25rem;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-about .about-line__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-pill);
}

.page-about .about-line__item::before {
  content: "";
  position: absolute;
  left: -1.4rem;
  top: 1.7rem;
  width: .6rem;
  height: .6rem;
  border-radius: 50%;
  background: var(--red);
  transform: translateX(-50%);
  box-shadow: 0 0 0 5px rgba(200, 16, 46, .1);
}

.page-about .about-line__item:nth-child(even)::before {
  background: var(--jade);
  box-shadow: 0 0 0 5px rgba(15, 139, 141, .12);
}

.page-about .about-line__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .35rem;
}

.page-about .about-line__year {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 11vw, 3.2rem);
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--red);
}

.page-about .about-line__item:nth-child(even) .about-line__year {
  color: var(--jade);
}

.page-about .about-line__item p {
  margin: .55rem 0 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--ink-2);
}

.page-about .about-line__figure {
  margin: 1.6rem 0 0;
}

.page-about .about-line__figure .media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-line__figure .figure-caption {
  margin-top: .6rem;
  font-size: .78rem;
  letter-spacing: .03em;
  color: var(--ink-3);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  position: relative;
  margin: 3.4rem 0 0;
  padding: 3.2rem 0 3.4rem;
  background: linear-gradient(142deg, var(--deep-red) 0%, #4a1620 48%, var(--ink) 100%);
  color: var(--white);
  overflow: hidden;
}

.page-about .about-team__weave {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(245, 179, 1, .16) 0, rgba(245, 179, 1, .16) 2px, transparent 2px, transparent 18px);
  opacity: .5;
  pointer-events: none;
}

.page-about .about-team__grid {
  position: relative;
  z-index: 1;
}

.page-about .about-team .eyebrow {
  color: var(--gold);
}

.page-about .about-team .section-title {
  color: var(--white);
}

.page-about .about-team__copy p {
  margin: 1rem 0 0;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--about-on-dark);
  max-width: 52ch;
}

.page-about .about-team__list {
  list-style: none;
  margin: 1.7rem 0 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-about .about-team__list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: .95rem;
  line-height: 1.65;
  color: var(--about-on-dark);
}

.page-about .about-team__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: .42rem;
  height: .42rem;
  border-radius: 50%;
  background: var(--gold);
}

.page-about .about-team__figure {
  margin: 1.9rem 0 0;
}

.page-about .about-team__figure .media-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--about-hairline);
}

/* ---------- 地域灵感 ---------- */
.page-about .about-root {
  padding: 3rem 0 1rem;
}

.page-about .about-root__grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.page-about .about-root__card {
  position: relative;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.2rem 1.3rem 1.6rem;
  transition: transform var(--dur) var(--ease);
}

.page-about .about-root__card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: .45rem;
  background: var(--accent, var(--red));
}

.page-about .about-root__card:hover {
  transform: translateY(-3px);
}

.page-about .about-root__card--red { --accent: var(--red); }
.page-about .about-root__card--jade { --accent: var(--jade); }
.page-about .about-root__card--orange { --accent: var(--tangerine); }
.page-about .about-root__card--gold { --accent: var(--gold); }

.page-about .about-root__name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-about .about-root__name span {
  display: block;
  margin-top: .25rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--ink-3);
}

.page-about .about-root__card p {
  margin: .7rem 0 0;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--ink-2);
}

/* ---------- 合作与荣誉 ---------- */
.page-about .about-partners {
  padding: 2.6rem 0 1rem;
}

.page-about .about-partners__grid {
  display: grid;
  gap: 1.2rem;
  margin-top: 2rem;
}

.page-about .about-partners__card {
  background: var(--white);
  border: 1px solid var(--sand);
  border-radius: var(--radius-xl);
  padding: 1.5rem 1.4rem 1.6rem;
}

.page-about .about-partners__num {
  display: block;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.4rem, 12vw, 3.4rem);
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--red);
}

.page-about .about-partners__card--alt .about-partners__num {
  color: var(--jade);
}

.page-about .about-partners__card .card-title {
  margin: .55rem 0 0;
}

.page-about .about-partners__card p {
  margin: .7rem 0 0;
  font-size: .94rem;
  line-height: 1.72;
  color: var(--ink-2);
}

/* ---------- 收尾入口 ---------- */
.page-about .about-next {
  position: relative;
  overflow: hidden;
  margin-top: 3.4rem;
  padding: 3rem 0 3.6rem;
  background: linear-gradient(160deg, var(--pink) 0%, var(--cream) 62%);
}

.page-about .about-next::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 179, 1, .38), rgba(245, 179, 1, 0) 70%);
  pointer-events: none;
}

.page-about .about-next__inner {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.page-about .about-next__inner p {
  margin: 1rem 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-about .about-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.7rem;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 2rem 0 3rem;
  }

  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.3rem;
    margin-top: 2.8rem;
  }

  .page-about .about-timeline {
    padding: 3.6rem 0 1.4rem;
  }

  .page-about .about-line {
    gap: 1.6rem;
  }

  .page-about .about-line__item {
    padding: 1.4rem 1.6rem 1.5rem;
  }

  .page-about .about-line__item::before {
    top: 2rem;
  }

  .page-about .about-line__figure {
    margin-top: 1.9rem;
  }

  .page-about .about-root__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.2rem;
  }

  .page-about .about-partners__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.4rem;
    align-items: start;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-about .about-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    gap: 3.4rem;
    align-items: center;
  }

  .page-about .about-hero__media {
    margin-top: 0;
  }

  .page-about .about-hero__title {
    max-width: 20ch;
  }

  .page-about .about-line__item {
    padding: 1.5rem 1.9rem 1.6rem;
  }

  .page-about .about-line__head {
    justify-content: flex-start;
    gap: 1.4rem;
  }

  .page-about .about-line__item p {
    max-width: 62ch;
  }

  .page-about .about-team {
    margin-top: 4rem;
    padding: 4.2rem 0 4.4rem;
  }

  .page-about .about-team__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, .88fr);
    gap: 3.2rem;
    align-items: center;
  }

  .page-about .about-team__figure {
    margin-top: 0;
  }

  .page-about .about-root {
    padding: 4rem 0 1.4rem;
  }

  .page-about .about-partners {
    padding: 3rem 0 1.4rem;
  }

  .page-about .about-partners__card--alt {
    transform: translateY(2.4rem);
  }

  .page-about .about-next {
    margin-top: 5.4rem;
    padding: 3.8rem 0 4.4rem;
  }
}
<<<END>>>