.page-about {
  --about-rail: 168px;
  --about-gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-bottom: var(--sp-6);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  margin-top: var(--sp-4);
  padding: clamp(1.75rem, 5vw, 3.75rem);
  border-radius: var(--r-lg);
  border: var(--edge-lime);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(198, 255, 61, .16), transparent 58%),
    linear-gradient(155deg, var(--panel-deep) 0%, var(--ink-green) 64%, var(--charcoal) 100%);
  box-shadow: var(--shadow-panel);
}

.page-about .about-hero__ghost {
  position: absolute;
  right: -.05em;
  bottom: -.22em;
  font-family: var(--font-mono);
  font-size: clamp(6rem, 26vw, 15rem);
  font-weight: 900;
  line-height: .78;
  letter-spacing: -.05em;
  color: rgba(198, 255, 61, .08);
  pointer-events: none;
  user-select: none;
}

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

.page-about .about-hero__title {
  margin: var(--sp-3) 0 var(--sp-3);
  font-size: clamp(1.95rem, 6.2vw, 4rem);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -.025em;
  color: var(--mist);
}

.page-about .about-hero__lead {
  max-width: 58ch;
  font-size: var(--fs-lead);
  line-height: 1.9;
  color: var(--sage);
}

.page-about .about-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: var(--sp-5);
  border: var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(58, 90, 76, .55);
}

.page-about .about-figures .stat-row {
  background: rgba(11, 31, 26, .72);
  padding: var(--sp-3);
  min-width: 0;
}

.page-about .about-figures .stat-row__label {
  display: block;
  font-size: var(--fs-micro);
  color: var(--sage);
  margin-bottom: var(--sp-1);
}

.page-about .about-figures .stat-row__value {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 3.4vw, 1.6rem);
  font-weight: 700;
  color: var(--lime);
  line-height: 1.15;
}

/* ---------- 主结构：左刻度 + 右正文 ---------- */
.page-about .about-ledger {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap);
  margin-top: var(--sp-6);
}

.page-about .about-rail__label {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .16em;
  color: var(--sage);
  margin-bottom: var(--sp-2);
  text-transform: uppercase;
}

.page-about .about-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
}

.page-about .about-rail__link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem .85rem;
  border-radius: var(--r-pill);
  border: var(--line);
  background: var(--panel-deep);
  color: var(--mist);
  font-size: var(--fs-micro);
  text-decoration: none;
  transition: border-color .25s ease, color .25s ease, background .25s ease;
}

.page-about .about-rail__link:hover,
.page-about .about-rail__link:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: var(--panel-gray);
}

.page-about .about-rail__num {
  font-family: var(--font-mono);
  font-size: .6875rem;
  color: var(--lime);
}

/* ---------- 章节 ---------- */
.page-about .about-chapter {
  padding-top: var(--sp-4);
  border-top: var(--line);
}

.page-about .about-chapter + .about-chapter {
  margin-top: var(--sp-6);
}

.page-about .about-copy {
  max-width: 62ch;
  color: var(--mist);
  line-height: 1.9;
}

.page-about .about-copy p + p {
  margin-top: var(--sp-3);
}

.page-about .about-copy a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-media {
  margin: var(--sp-4) 0;
  border-radius: var(--r-lg);
  border: var(--line);
  overflow: hidden;
  background: var(--panel-deep);
}

.page-about .about-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 数据态度卡 ---------- */
.page-about .about-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.page-about .about-card {
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: var(--line);
  background: var(--panel-deep);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.page-about .about-card:hover {
  transform: translateY(-4px);
  border-color: var(--lime);
  box-shadow: 0 16px 36px -24px rgba(198, 255, 61, .5);
}

.page-about .about-card__num {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 6vw, 2.6rem);
  font-weight: 900;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-card__num small {
  font-size: .34em;
  margin-left: .35em;
  color: var(--sage);
  letter-spacing: .04em;
}

.page-about .about-card__title {
  margin: var(--sp-2) 0 var(--sp-2);
  font-size: var(--fs-h3);
  color: var(--mist);
}

.page-about .about-card p {
  color: var(--sage);
  line-height: 1.85;
  font-size: var(--fs-body);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-3);
}

.page-about .about-team .about-media {
  margin: 0;
}

.page-about .about-crew {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.page-about .about-crew__card {
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: var(--line);
  background: var(--panel-deep);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease, background .28s ease;
}

.page-about .about-crew__card:hover,
.page-about .about-crew__card:focus-within {
  transform: translateY(-4px);
  border-color: var(--lime);
  background: var(--panel-gray);
  box-shadow: 0 18px 40px -26px rgba(198, 255, 61, .6);
}

.page-about .about-crew__tag {
  display: inline-block;
  margin-bottom: var(--sp-2);
}

.page-about .about-crew__role {
  font-size: var(--fs-h3);
  color: var(--mist);
  margin-bottom: var(--sp-2);
}

.page-about .about-crew__duty {
  color: var(--sage);
  line-height: 1.85;
  font-size: var(--fs-body);
  transition: color .28s ease;
}

.page-about .about-crew__card:hover .about-crew__duty {
  color: var(--mist);
}

.page-about .about-crew__note {
  margin-top: var(--sp-3);
  padding-left: var(--sp-3);
  border-left: 2px solid var(--gold);
  font-size: var(--fs-micro);
  color: var(--sage);
}

/* ---------- 里程碑时间轴 ---------- */
.page-about .about-beats {
  list-style: none;
  margin: var(--sp-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-3);
}

.page-about .about-beat {
  position: relative;
  padding-left: var(--sp-4);
  border-left: 2px solid rgba(58, 90, 76, .8);
}

.page-about .about-beat::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 1.15rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(11, 31, 26, .95);
}

.page-about .about-beat__head {
  margin: 0;
  font-size: var(--fs-body);
}

.page-about .about-beat__trigger {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-pill);
  border: var(--line);
  background: var(--panel-gray);
  color: var(--mist);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color .25s ease, background .25s ease;
}

.page-about .about-beat__trigger:hover,
.page-about .about-beat__trigger:focus-visible {
  border-color: var(--lime);
  background: var(--panel-deep);
}

.page-about .about-beat__round {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  color: var(--lime);
}

.page-about .about-beat__name {
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-about .about-beat__panel {
  margin-top: var(--sp-2);
}

.page-about .about-beat__panel .accordion__inner {
  padding: var(--sp-3) var(--sp-3) var(--sp-3) 0;
  color: var(--sage);
  line-height: 1.9;
  font-size: var(--fs-body);
}

.page-about .about-beat__panel .accordion__inner a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 青训 ---------- */
.page-about .about-youth {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
  margin-top: var(--sp-3);
}

.page-about .about-youth .about-media {
  margin: 0;
}

.page-about .about-youth__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1px;
  margin-top: var(--sp-4);
  border: var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(58, 90, 76, .5);
}

.page-about .about-fact {
  background: rgba(28, 46, 40, .92);
  padding: var(--sp-4) var(--sp-3);
}

.page-about .about-fact__num {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  font-weight: 900;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-fact__num small {
  font-size: .34em;
  margin-left: .3em;
  color: var(--sage);
}

.page-about .about-fact__label {
  margin-top: var(--sp-2);
  font-size: var(--fs-micro);
  color: var(--sage);
}

/* ---------- 荣誉 ---------- */
.page-about .about-honors {
  list-style: none;
  margin: var(--sp-4) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
}

.page-about .about-honor {
  position: relative;
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: var(--line);
  background: linear-gradient(140deg, var(--panel-deep), var(--charcoal));
  transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}

.page-about .about-honor:hover {
  transform: translateY(-3px);
  border-color: var(--gold);
  box-shadow: 0 18px 40px -26px rgba(242, 193, 78, .55);
}

.page-about .about-honor__year {
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  letter-spacing: .12em;
  color: var(--gold);
  margin-bottom: var(--sp-2);
}

.page-about .about-honor__title {
  font-size: var(--fs-h3);
  color: var(--mist);
  margin-bottom: var(--sp-2);
}

.page-about .about-honor__desc {
  color: var(--sage);
  line-height: 1.85;
  font-size: var(--fs-body);
}

/* ---------- 合作同行 ---------- */
.page-about .about-partners {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
  margin-top: var(--sp-4);
}

.page-about .about-partner {
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: var(--line);
  background: var(--panel-deep);
}

.page-about .about-partner__num {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 5vw, 2.2rem);
  font-weight: 900;
  line-height: 1;
  color: var(--gold);
}

.page-about .about-partner__num small {
  font-size: .36em;
  margin-left: .3em;
  color: var(--sage);
}

.page-about .about-partner__name {
  margin: var(--sp-2) 0 var(--sp-2);
  font-size: var(--fs-h3);
  color: var(--mist);
}

.page-about .about-partner p {
  color: var(--sage);
  line-height: 1.85;
  font-size: var(--fs-body);
}

.page-about .about-partners__note {
  margin-top: var(--sp-4);
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  margin-top: var(--sp-6);
  padding: clamp(1.5rem, 4.5vw, 3rem);
  border-radius: var(--r-lg);
  border: var(--edge-lime);
  background:
    linear-gradient(115deg, rgba(198, 255, 61, .12), transparent 42%),
    linear-gradient(300deg, rgba(242, 193, 78, .1), transparent 46%),
    var(--panel-deep);
  box-shadow: var(--shadow-panel);
}

.page-about .about-cta__title {
  font-size: var(--fs-h2);
  letter-spacing: -.02em;
  color: var(--mist);
}

.page-about .about-cta__lead {
  max-width: 52ch;
  margin-top: var(--sp-3);
  color: var(--sage);
  line-height: 1.9;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 900px) {
  .page-about .about-ledger {
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
  }

  .page-about .about-rail {
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }

  .page-about .about-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-about .about-rail__link {
    width: 100%;
    justify-content: flex-start;
  }

  .page-about .about-team,
  .page-about .about-youth {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }

  .page-about .about-youth {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-card,
  .page-about .about-crew__card,
  .page-about .about-honor,
  .page-about .about-rail__link,
  .page-about .about-beat__trigger {
    transition: none;
  }

  .page-about .about-card:hover,
  .page-about .about-crew__card:hover,
  .page-about .about-honor:hover {
    transform: none;
  }
}
<<<END>>>