.page-about {
  --ab-cut: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 26px) 100%, 0 100%);
  --ab-node: rgba(198, 255, 61, 0.42);
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-about .ab-hero {
  position: relative;
  isolation: isolate;
  padding-top: calc(var(--hdr-h) + 24px);
  padding-bottom: clamp(36px, 6vw, 72px);
  border-bottom: 1px solid var(--line-strong);
}

.page-about .ab-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  z-index: -2;
}

.page-about .ab-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(118deg, rgba(11, 43, 36, 0.97) 0%, rgba(11, 43, 36, 0.82) 48%, rgba(31, 58, 95, 0.62) 100%),
    repeating-linear-gradient(90deg, rgba(143, 184, 168, 0.09) 0 1px, transparent 1px 96px);
}

.page-about .ab-hero__inner {
  position: relative;
}

.page-about .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .ab-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
  grid-template-columns: 1fr;
}

.page-about .ab-hero__lead h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 7vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
  font-weight: 800;
  margin: 12px 0 18px;
  text-wrap: balance;
}

.page-about .ab-hero__lead .lead {
  max-width: 46ch;
  color: var(--paper-85);
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.8;
}

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

.page-about .ab-hero__stats {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-about .ab-stat {
  border: 2px solid var(--line-strong);
  background: rgba(18, 59, 49, 0.86);
  padding: 18px 20px 20px;
  box-shadow: var(--shadow-hard);
  clip-path: var(--ab-cut);
}

.page-about .ab-stat--lime {
  background: var(--lime);
  color: var(--char);
  border-color: var(--lime);
  box-shadow: var(--shadow-hard);
}

.page-about .ab-stat__num {
  font-size: clamp(2rem, 6vw, 2.9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  margin: 0;
}

.page-about .ab-stat__label {
  margin: 8px 0 6px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-about .ab-stat__note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--paper-70);
}

.page-about .ab-stat--lime .ab-stat__note {
  color: rgba(42, 47, 44, 0.78);
}

/* ---------- 赛季时间轴 ---------- */

.page-about .ab-time {
  background:
    linear-gradient(180deg, rgba(31, 58, 95, 0.22), transparent 42%),
    var(--ink-900);
}

.page-about .ab-time__head {
  margin-bottom: clamp(26px, 4vw, 42px);
}

.page-about .ab-time__layout {
  display: grid;
  gap: clamp(22px, 4vw, 46px);
  grid-template-columns: 1fr;
}

.page-about .ab-time__index {
  border: 2px solid var(--line-strong);
  background: var(--ink-800);
  padding: 18px 18px 20px;
  align-self: start;
}

.page-about .ab-index__title {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--mist);
  margin: 0 0 14px;
}

.page-about .ab-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: seasonidx;
}

.page-about .ab-index__link {
  display: block;
  color: var(--paper-85);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 8px 10px;
  border-left: 3px solid var(--line-strong);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-about .ab-index__link:hover,
.page-about .ab-index__link:focus-visible {
  border-left-color: var(--lime);
  color: var(--ink-900);
  background: var(--lime);
  outline: none;
}

.page-about .ab-index__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .ab-track {
  list-style: none;
  margin: 0;
  padding: 0 0 0 22px;
  position: relative;
  display: grid;
  gap: 18px;
}

.page-about .ab-track::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--ab-node), rgba(143, 184, 168, 0.18));
}

.page-about .ab-stage {
  position: relative;
  border: 2px solid var(--line);
  background: rgba(18, 59, 49, 0.55);
  padding: 20px 18px 22px;
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-about .ab-stage::before {
  content: "";
  position: absolute;
  left: -23px;
  top: 26px;
  width: 12px;
  height: 12px;
  background: var(--ink-900);
  border: 2px solid var(--mist);
  transform: rotate(45deg);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-about .ab-stage.is-current {
  border-color: var(--lime);
  background: rgba(22, 69, 58, 0.92);
}

.page-about .ab-stage.is-current::before {
  border-color: var(--lime);
  background: var(--lime);
}

.page-about .ab-stage .chapter__index {
  display: inline-block;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--lime);
}

.page-about .ab-stage__era {
  margin: 10px 0 4px;
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-about .ab-stage__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.4vw, 1.72rem);
  line-height: 1.2;
  font-weight: 800;
}

.page-about .ab-stage p {
  margin: 0 0 14px;
  color: var(--paper-70);
  line-height: 1.8;
  font-size: 0.95rem;
}

.page-about .ab-stage__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- 团队分工 ---------- */

.page-about .ab-team {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .ab-team__layout {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  grid-template-columns: 1fr;
}

.page-about .ab-team__figure {
  margin: 0;
  border: 2px solid var(--line-strong);
}

.page-about .ab-team__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .ab-team__bands {
  display: grid;
  gap: 12px;
}

.page-about .ab-band {
  border: 2px solid var(--line-strong);
  border-left-width: 8px;
  background: var(--ink-900);
  padding: 16px 18px;
  display: grid;
  gap: 4px;
}

.page-about .ab-band--edit { border-left-color: var(--lime); }
.page-about .ab-band--data { border-left-color: var(--yellow); }
.page-about .ab-band--tech { border-left-color: var(--indigo); }
.page-about .ab-band--cs { border-left-color: var(--red); }

.page-about .ab-band__role {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-about .ab-band__num {
  margin: 0;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--paper);
}

.page-about .ab-band__num span {
  font-size: 0.82rem;
  font-weight: 500;
  margin-left: 4px;
  color: var(--paper-55);
  letter-spacing: 0.08em;
}

.page-about .ab-band__desc {
  margin: 6px 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--paper-70);
}

.page-about .ab-review {
  margin-top: clamp(24px, 4vw, 40px);
  border: 2px solid var(--lime);
  background: rgba(198, 255, 61, 0.06);
  padding: 0;
}

.page-about .ab-review__summary {
  cursor: pointer;
  padding: 16px 18px;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--lime);
  line-height: 1.6;
  list-style: none;
}

.page-about .ab-review__summary::-webkit-details-marker { display: none; }

.page-about .ab-review__summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  font-family: var(--font-mono);
  color: var(--lime);
}

.page-about .ab-review[open] .ab-review__summary::before { content: "−"; }

.page-about .ab-review__body {
  padding: 0 18px 20px;
}

.page-about .ab-review__list {
  margin: 0 0 12px;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  color: var(--paper-70);
  line-height: 1.75;
  font-size: 0.94rem;
}

.page-about .ab-review__list strong { color: var(--paper); }

.page-about .ab-review__body p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--paper-55);
  line-height: 1.75;
}

/* ---------- 合作生态 ---------- */

.page-about .ab-partners {
  background: var(--ink-900);
}

.page-about .ab-partners__layout {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-about .ab-partners__text p {
  color: var(--paper-70);
  line-height: 1.85;
  font-size: 0.96rem;
  margin: 0 0 18px;
}

.page-about .ab-partners__points {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .ab-partners__points li {
  position: relative;
  padding-left: 20px;
  font-size: 0.93rem;
  line-height: 1.75;
  color: var(--paper-70);
}

.page-about .ab-partners__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--lime);
  transform: rotate(45deg);
}

.page-about .ab-partners__points strong {
  color: var(--paper);
  display: block;
  margin-bottom: 2px;
}

.page-about .ab-partners__figure {
  margin: 0;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}

.page-about .ab-partners__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 荣誉 ---------- */

.page-about .ab-honor {
  background: linear-gradient(180deg, rgba(31, 58, 95, 0.28), transparent 55%), var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-about .ab-honor__rail {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  padding: 6px var(--gutter) 18px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-about .ab-honor__card {
  flex: 0 0 82%;
  scroll-snap-align: start;
  border: 2px solid var(--line-strong);
  background: var(--ink-900);
  padding: 20px 18px 22px;
  box-shadow: var(--shadow-hard);
  clip-path: var(--ab-cut);
}

.page-about .ab-honor__card--lime {
  background: var(--lime);
  color: var(--char);
  border-color: var(--lime);
}

.page-about .ab-honor__kind {
  margin: 0 0 10px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--yellow);
}

.page-about .ab-honor__card--lime .ab-honor__kind { color: rgba(42, 47, 44, 0.7); }

.page-about .ab-honor__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.24rem;
  line-height: 1.3;
  font-weight: 800;
}

.page-about .ab-honor__card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--paper-70);
}

.page-about .ab-honor__card--lime p { color: rgba(42, 47, 44, 0.8); }

/* ---------- 服务原则 ---------- */

.page-about .ab-principles {
  background: var(--ink-900);
}

.page-about .ab-principles__grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-about .ab-principle {
  border: 2px solid var(--line-strong);
  background: var(--ink-800);
  padding: 20px 18px 22px;
}

.page-about .ab-principle--wide {
  border-color: var(--lime);
  background: rgba(198, 255, 61, 0.07);
}

.page-about .ab-principle--note {
  border-style: dashed;
  border-color: var(--line-strong);
  background: transparent;
}

.page-about .ab-principle__idx {
  margin: 0 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--lime);
}

.page-about .ab-principle h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 1.4rem;
  line-height: 1.2;
  font-weight: 800;
}

.page-about .ab-principle p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--paper-70);
}

.page-about .ab-principle a {
  color: var(--lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .ab-principle__link {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--lime) !important;
  text-decoration: none !important;
  border-bottom: 2px solid var(--line-lime);
  padding-bottom: 2px;
}

.page-about .ab-principle__link:hover,
.page-about .ab-principle__link:focus-visible {
  border-bottom-color: var(--lime);
}

.page-about .ab-cta {
  margin-top: clamp(26px, 4vw, 44px);
  border: 3px solid var(--lime);
  background: var(--ink-800);
  box-shadow: var(--shadow-lime);
  padding: clamp(20px, 4vw, 34px);
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
  align-items: center;
}

.page-about .ab-cta__text h2 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  line-height: 1.2;
  font-weight: 800;
}

.page-about .ab-cta__text p {
  margin: 0;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--paper-70);
}

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

/* ---------- 动效 ---------- */

.page-about [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-about [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-about [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-about .ab-stage {
    transition: none;
  }
}

/* ---------- 平板 ---------- */

@media (min-width: 720px) {
  .page-about .ab-hero__stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .ab-hero__stats .ab-stat:nth-child(2) {
    transform: translateY(-10px);
  }

  .page-about .ab-team__bands {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .ab-principles__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .ab-principle--wide,
  .page-about .ab-principle--note {
    grid-column: span 2;
  }

  .page-about .ab-honor__card {
    flex-basis: 52%;
  }

  .page-about .ab-cta {
    grid-template-columns: 1.5fr 1fr;
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 1000px) {
  .page-about .ab-hero__grid {
    grid-template-columns: 1.35fr 1fr;
    align-items: end;
  }

  .page-about .ab-hero__lead h1 {
    max-width: 15ch;
  }

  .page-about .ab-time__layout {
    grid-template-columns: 250px 1fr;
    align-items: start;
  }

  .page-about .ab-time__index {
    position: sticky;
    top: calc(var(--hdr-h) + 24px);
  }

  .page-about .ab-track {
    padding-left: 30px;
    gap: 22px;
  }

  .page-about .ab-stage {
    padding: 26px 28px 28px;
  }

  .page-about .ab-stage::before {
    left: -31px;
    top: 32px;
  }

  .page-about .ab-team__layout {
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
  }

  .page-about .ab-team__figure {
    position: sticky;
    top: calc(var(--hdr-h) + 24px);
  }

  .page-about .ab-partners__layout {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
  }

  .page-about .ab-honor__rail {
    padding-inline: max(var(--gutter), calc((100vw - var(--container)) / 2));
  }

  .page-about .ab-honor__card {
    flex-basis: 31%;
  }

  .page-about .ab-principles__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .ab-principle--wide {
    grid-column: span 2;
  }

  .page-about .ab-principle--note {
    grid-column: span 4;
  }
}
<<<PAGE_CSS_END>>>