.page-about {
  --ab-hair: rgba(74, 100, 112, 0.28);
  --ab-hair-dark: rgba(195, 208, 214, 0.24);
  --ab-orange: var(--signal-orange-600);
  --ab-orange-soft: var(--signal-orange-300);
  background: var(--paper-cream);
  color: var(--fg);
  overflow-x: hidden;
}

.page-about .ab-block {
  padding: clamp(2.5rem, 6.5vw, 5rem) 0;
}

.page-about .ab-block--paper { background: var(--paper-cream); }
.page-about .ab-block--white { background: var(--pure-white); }
.page-about .ab-block--board {
  background: var(--frame-green-900);
  color: var(--paper-cream);
}
.page-about .ab-block--wine {
  background: var(--wine-800);
  color: var(--pure-white);
}

/* ---------- 通用文字元件 ---------- */
.page-about .ab-kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ab-orange);
}
.page-about .ab-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: currentColor;
  flex: none;
}
.page-about .ab-kicker--dark { color: var(--ab-orange-soft); }

.page-about .ab-h2 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 4.6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
}
.page-about .ab-h2--ink { color: var(--pitch-ink-950); }

.page-about .ab-section-head {
  max-width: 46rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}
.page-about .ab-section-head__lede {
  margin: 0;
  max-width: 34rem;
  color: var(--slate-blue-500);
  font-size: 1rem;
  line-height: 1.75;
}
.page-about .ab-section-head__lede--dark { color: rgba(255, 255, 255, 0.82); }

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.5rem, 7vw, 4.5rem);
  background:
    linear-gradient(160deg, var(--frame-green-900) 0%, var(--pitch-ink-950) 100%);
  color: var(--paper-cream);
  overflow: hidden;
}
.page-about .ab-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  top: 12%;
  width: 260px;
  height: 70%;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(255, 138, 76, 0.22) 0 1px,
    transparent 1px 15px
  );
  pointer-events: none;
}
.page-about .ab-hero__inner { position: relative; z-index: 1; }

.page-about .ab-hero__crumb { margin-bottom: clamp(1.5rem, 4vw, 2.5rem); }
.page-about .ab-hero__crumb .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}
.page-about .ab-hero__crumb .breadcrumb__item { display: inline-flex; align-items: center; }
.page-about .ab-hero__crumb .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 0.5rem;
  color: rgba(195, 208, 214, 0.45);
}
.page-about .ab-hero__crumb .breadcrumb__link {
  color: var(--cool-blue-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-about .ab-hero__crumb .breadcrumb__link:hover {
  color: var(--ab-orange-soft);
  border-bottom-color: var(--ab-orange-soft);
}
.page-about .ab-hero__crumb .breadcrumb__current { color: rgba(246, 243, 236, 0.62); }

.page-about .ab-hero__title {
  margin: 0 0 1.1rem;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.2vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--paper-cream);
}
.page-about .ab-hero__lede {
  margin: 0 0 clamp(1.75rem, 4.5vw, 2.75rem);
  max-width: 36rem;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(246, 243, 236, 0.84);
}

.page-about .ab-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ab-hair-dark);
  border-top: 1px solid var(--ab-hair-dark);
  border-bottom: 1px solid var(--ab-hair-dark);
}
.page-about .ab-stats__item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 0.9rem 1.1rem;
  background: var(--frame-green-900);
}
.page-about .ab-stats__num {
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 5vw, 2.3rem);
  font-weight: 600;
  line-height: 1;
  color: var(--ab-orange-soft);
  font-variant-numeric: tabular-nums;
}
.page-about .ab-stats__num small { font-size: 0.6em; }
.page-about .ab-stats__label {
  font-size: 0.82rem;
  line-height: 1.5;
  color: rgba(246, 243, 236, 0.72);
}

/* ---------- 起点 ---------- */
.page-about .ab-origin {
  display: grid;
  gap: 1.75rem;
}
.page-about .ab-slip {
  position: relative;
  padding: 1.25rem 1.35rem 1.35rem;
  background: var(--pure-white);
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-print);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}
.page-about .ab-slip::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 18px;
  height: 18px;
  background: var(--signal-orange-600);
}
.page-about .ab-slip__tag {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--signal-orange-600);
}
.page-about .ab-slip__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--slate-blue-500);
}

.page-about .prose p {
  margin: 0 0 1rem;
  max-width: 36em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--fg);
}
.page-about .prose p:last-child { margin-bottom: 0; }

/* ---------- 团队 ---------- */
.page-about .ab-team {
  display: grid;
  gap: 2rem;
}
.page-about .ab-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .ab-card {
  position: relative;
  padding: 1.1rem 1.15rem 1.2rem;
  background: var(--paper-cream);
  border: 1px solid var(--line-strong);
  box-shadow: 3px 3px 0 rgba(11, 43, 36, 0.09);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-about .ab-card:hover,
.page-about .ab-card:focus-within {
  border-color: var(--signal-orange-600);
  transform: translate(2px, -2px);
  box-shadow: 5px 5px 0 rgba(224, 82, 27, 0.16);
}
.page-about .ab-card__tag {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--slate-blue-500);
}
.page-about .ab-card__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  color: var(--board-green-700);
  font-variant-numeric: tabular-nums;
}
.page-about .ab-card__title {
  margin: 0.35rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--pitch-ink-950);
}
.page-about .ab-card__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--slate-blue-500);
}

/* ---------- 阶段轴 ---------- */
.page-about .ab-seasons__banner { margin-bottom: clamp(1.5rem, 4vw, 2.5rem); }
.page-about .ab-seasons__banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  border: 1px solid var(--line-strong);
}

.page-about .ab-jump {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 2rem;
  padding: 0 0 0.35rem;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-about .ab-jump a {
  display: inline-block;
  padding: 0.45rem 0.8rem;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--board-green-700);
  text-decoration: none;
  background: var(--pure-white);
  border: 1px solid var(--line-strong);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-about .ab-jump a:hover,
.page-about .ab-jump a:focus-visible {
  background: var(--frame-green-900);
  border-color: var(--frame-green-900);
  color: var(--pure-white);
}

.page-about .ab-track {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .ab-track::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0.75rem;
  bottom: 0.75rem;
  width: 2px;
  background: linear-gradient(180deg, var(--signal-orange-600), var(--cool-blue-200));
}
.page-about .ab-track__item {
  position: relative;
  padding: 0 0 1.9rem 2.35rem;
}
.page-about .ab-track__item:last-child { padding-bottom: 0; }
.page-about .ab-track__dot {
  position: absolute;
  left: 0;
  top: 0.3rem;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--paper-cream);
  border: 2px solid var(--signal-orange-600);
  transition: box-shadow var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-about .ab-track__item:hover .ab-track__dot {
  background: var(--signal-orange-600);
  box-shadow: 0 0 0 5px rgba(224, 82, 27, 0.16);
}
.page-about .ab-track__meta {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--signal-orange-600);
}
.page-about .ab-track__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  font-weight: 800;
  color: var(--pitch-ink-950);
}
.page-about .ab-track__text {
  margin: 0;
  max-width: 40em;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--slate-blue-500);
}

/* ---------- 复核 ---------- */
.page-about .ab-review {
  display: grid;
  gap: 2rem;
}
.page-about .ab-review__lede {
  margin: 0 0 1.5rem;
  max-width: 32rem;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(246, 243, 236, 0.8);
}
.page-about .ab-gates {
  display: grid;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .ab-gate {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  background: rgba(22, 69, 58, 0.86);
  border-left: 2px solid var(--signal-orange-600);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-about .ab-gate:hover { background: var(--board-green-700); }
.page-about .ab-gate__no {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ab-orange-soft);
  font-variant-numeric: tabular-nums;
}
.page-about .ab-gate__title {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--paper-cream);
}
.page-about .ab-gate p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(246, 243, 236, 0.76);
}
.page-about .ab-review__foot {
  margin: 1.4rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--ab-hair-dark);
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--cool-blue-200);
}

/* ---------- 图 ---------- */
.page-about .ab-figure {
  margin: 0;
}
.page-about .ab-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-strong);
  filter: saturate(0.82) contrast(1.04);
}
.page-about .ab-figure--tall img {
  max-height: 420px;
  object-fit: cover;
}
.page-about .ab-figure__cap {
  margin: 0.7rem 0 0;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--slate-blue-500);
}
.page-about .ab-figure__cap--dark { color: rgba(195, 208, 214, 0.8); }

/* ---------- 生态 ---------- */
.page-about .ab-table-wrap {
  overflow-x: auto;
  border-top: 1px solid var(--ab-hair-dark);
}
.page-about .ab-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.page-about .ab-table__caption {
  caption-side: top;
  padding: 0.75rem 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.6);
}
.page-about .ab-table th {
  padding: 0.7rem 0.75rem;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.68);
  border-bottom: 1px solid var(--ab-hair-dark);
}
.page-about .ab-table td {
  padding: 0.9rem 0.75rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  vertical-align: top;
}
.page-about .ab-table tbody tr {
  transition: background var(--dur) var(--ease);
}
.page-about .ab-table tbody tr:hover { background: rgba(255, 255, 255, 0.08); }
.page-about .ab-table__num {
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.05rem;
  white-space: nowrap;
  color: var(--signal-orange-300);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-honor {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.25rem;
  align-items: start;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
  padding: 1.25rem 0 0;
  border-top: 2px solid var(--signal-orange-600);
}
.page-about .ab-honor__year {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 600;
  line-height: 1;
  color: var(--signal-orange-300);
  font-variant-numeric: tabular-nums;
}
.page-about .ab-honor__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 3vw, 1.45rem);
  font-weight: 800;
  color: var(--pure-white);
}
.page-about .ab-honor__body p {
  margin: 0;
  max-width: 34rem;
  font-size: 0.9rem;
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.78);
}

/* ---------- 准则 ---------- */
.page-about .ab-rules {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--ab-hair);
  border: 1px solid var(--ab-hair);
}
.page-about .ab-rule {
  padding: 1.25rem 1.15rem;
  background: var(--paper-cream);
  border-left: 3px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-about .ab-rule:hover {
  background: var(--pure-white);
  border-left-color: var(--signal-orange-600);
}
.page-about .ab-rule__title {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--pitch-ink-950);
}
.page-about .ab-rule p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--slate-blue-500);
}

/* ---------- 收尾 ---------- */
.page-about .ab-block--cta {
  background:
    repeating-linear-gradient(90deg, var(--cool-blue-200) 0 1px, transparent 1px 42px),
    var(--paper-cream);
  border-top: 2px solid var(--frame-green-900);
}
.page-about .ab-cta {
  display: grid;
  gap: 1.5rem;
}
.page-about .ab-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .ab-cta__links .btn {
  display: inline-block;
  padding: 0.72rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: 1px solid var(--frame-green-900);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-about .ab-cta__links .btn--signal {
  background: var(--signal-orange-600);
  border-color: var(--signal-orange-600);
  color: var(--pure-white);
}
.page-about .ab-cta__links .btn--signal:hover { background: var(--frame-green-900); border-color: var(--frame-green-900); }
.page-about .ab-cta__links .btn--ghost {
  background: transparent;
  color: var(--frame-green-900);
}
.page-about .ab-cta__links .btn--ghost:hover {
  background: var(--frame-green-900);
  color: var(--pure-white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 680px) {
  .page-about .ab-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .ab-rules { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .ab-figure--tall img { max-height: 520px; }
}

@media (min-width: 900px) {
  .page-about .ab-origin {
    grid-template-columns: 3fr 8fr;
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: start;
  }
  .page-about .ab-slip { position: sticky; top: 6rem; }

  .page-about .ab-team {
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: center;
  }
  .page-about .ab-figure--team { transform: translateY(-1.25rem); }

  .page-about .ab-review {
    grid-template-columns: 0.78fr 1.22fr;
    gap: clamp(2rem, 5vw, 3.5rem);
    align-items: start;
  }
  .page-about .ab-review__body { padding-top: 0.5rem; }

  .page-about .ab-track { padding-left: 0.5rem; }
  .page-about .ab-cta {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: end;
    gap: 2rem;
  }
  .page-about .ab-cta__links { justify-content: flex-end; }
}

@media (min-width: 1100px) {
  .page-about .ab-hero__title { max-width: 17em; }
  .page-about .ab-seasons__banner img { max-height: 380px; }
}
<<<END>>>