.page-about {
  --ab-hairline: rgba(34, 52, 95, .9);
  --ab-hairline-soft: rgba(169, 184, 217, .16);
  --ab-surface: rgba(14, 26, 60, .72);
  --ab-gold-glow: rgba(240, 162, 43, .16);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-about .ab-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(36px, 6vw, 72px);
}

.page-about .ab-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  align-items: end;
}

@media (min-width: 900px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(40px, 6vw, 88px);
  }
}

.page-about .ab-hero__copy {
  border-top: 1px solid var(--ab-hairline);
  padding-top: clamp(20px, 3vw, 32px);
  position: relative;
}

.page-about .ab-hero__copy::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 88px;
  height: 3px;
  background: var(--gold);
}

.page-about .ab-hero__crumbs {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-about .ab-hero__eyebrow {
  margin: 0 0 14px;
}

.page-about .ab-hero__title {
  margin: 0;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--white);
  max-width: 18ch;
}

.page-about .ab-hero__lede {
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 36ch;
}

.page-about .ab-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.5vw, 34px);
}

.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--ab-hairline-soft);
  border: 1px solid var(--ab-hairline-soft);
}

@media (min-width: 640px) {
  .page-about .ab-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .ab-hero__stat {
  background: var(--ink-900);
  padding: 16px 18px 18px;
}

.page-about .ab-hero__stat-value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-about .ab-hero__stat-label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist-dim);
}

.page-about .ab-hero__media {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border: 1px solid var(--ab-hairline);
}

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

/* ---------- 章节头通用 ---------- */

.page-about .ab-head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

/* ---------- 01 赛季时间轴 ---------- */

.page-about .ab-ruler {
  display: flex;
  gap: 0;
  overflow-x: auto;
  border-bottom: 1px solid var(--ab-hairline);
  margin-bottom: clamp(8px, 1.5vw, 16px);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-about .ab-ruler a {
  flex: 0 0 auto;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist-dim);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .24s var(--ease), background-color .24s var(--ease), border-color .24s var(--ease);
}

.page-about .ab-ruler a:hover,
.page-about .ab-ruler a:focus-visible {
  color: var(--gold);
  background: var(--ab-gold-glow);
  border-bottom-color: var(--gold);
}

.page-about .ab-tl {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .ab-tl__item {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 22px 0 22px 20px;
  border-bottom: 1px solid var(--ab-hairline-soft);
  scroll-margin-top: calc(var(--header-h) + 28px);
  transition: background-color .24s var(--ease);
}

.page-about .ab-tl__item::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 1px;
  background: var(--ab-hairline-soft);
  transition: background-color .24s var(--ease);
}

.page-about .ab-tl__item:hover::before,
.page-about .ab-tl__item:target::before {
  background: var(--gold);
}

@media (min-width: 840px) {
  .page-about .ab-tl__item {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 48px;
    padding: 30px 0 30px 26px;
    align-items: start;
  }
}

.page-about .ab-tl__num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--mist-dim);
  transition: color .24s var(--ease);
}

.page-about .ab-tl__item:hover .ab-tl__num,
.page-about .ab-tl__item:target .ab-tl__num {
  color: var(--gold);
}

.page-about .ab-tl__year {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist-dim);
}

.page-about .ab-tl__body h3 {
  margin: 0 0 10px;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.4;
  color: var(--white);
  font-weight: 700;
}

.page-about .ab-tl__body p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 02 季前重排 ---------- */

.page-about .ab-prep__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-about .ab-prep__grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: clamp(36px, 6vw, 72px);
  }
}

.page-about .ab-prep__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--ab-hairline);
}

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

.page-about .ab-prep__lede {
  margin: 0;
  max-width: 42ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .ab-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ab-hairline-soft);
  border: 1px solid var(--ab-hairline-soft);
}

@media (min-width: 720px) {
  .page-about .ab-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .ab-steps li {
  background: var(--ink-900);
  padding: 20px 18px 22px;
}

.page-about .ab-steps__step {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-about .ab-steps h3 {
  margin: 12px 0 10px;
  font-size: 16px;
  line-height: 1.4;
  color: var(--white);
}

.page-about .ab-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 03 四个栏目组 ---------- */

.page-about .ab-groups__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ab-hairline-soft);
  border: 1px solid var(--ab-hairline-soft);
}

@media (min-width: 760px) {
  .page-about .ab-groups__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1140px) {
  .page-about .ab-groups__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .ab-group {
  background: var(--ink-900);
  padding: 24px 20px 26px;
  transition: background-color .24s var(--ease);
}

.page-about .ab-group:hover,
.page-about .ab-group:focus-within {
  background: var(--ink-800);
}

.page-about .ab-group__dot {
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--jade);
  box-shadow: 0 0 0 4px rgba(63, 169, 123, .14);
  margin-bottom: 18px;
}

.page-about .ab-group__name {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--white);
}

.page-about .ab-group__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .ab-group__more {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist-dim);
}

@media (hover: hover) and (pointer: fine) {
  .page-about .ab-group__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height .3s var(--ease), opacity .3s var(--ease), margin-top .3s var(--ease);
  }

  .page-about .ab-group:hover .ab-group__more,
  .page-about .ab-group:focus-within .ab-group__more {
    max-height: 220px;
    opacity: 1;
    margin-top: 12px;
  }
}

@media (hover: none), (pointer: coarse) {
  .page-about .ab-group__more {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--ab-hairline-soft);
  }
}

/* ---------- 04 赛季档案 ---------- */

.page-about .ab-archive__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

@media (min-width: 960px) {
  .page-about .ab-archive__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(36px, 5vw, 64px);
  }
}

.page-about .ab-archive__media {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--ab-hairline);
}

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

.page-about .ab-archive__tabs {
  border: 1px solid var(--ab-hairline);
  background: var(--ab-surface);
}

.page-about .ab-archive__tabs .tablist {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  background: var(--ink-800);
  border-bottom: 1px solid var(--ab-hairline);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-about .ab-archive__tabs .tab {
  flex: 0 0 auto;
  appearance: none;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--mist-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  padding: 13px 15px;
  cursor: pointer;
  transition: color .24s var(--ease), background-color .24s var(--ease), border-color .24s var(--ease);
}

.page-about .ab-archive__tabs .tab:hover {
  color: var(--white);
  background: rgba(242, 246, 255, .05);
}

.page-about .ab-archive__tabs .tab[aria-selected="true"] {
  color: var(--ink-900);
  background: var(--gold);
  border-bottom-color: var(--gold);
}

.page-about .ab-archive__tabs .tab:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: -3px;
}

.page-about .ab-panel {
  padding: 24px 20px 26px;
}

.page-about .ab-panel__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist-dim);
}

.page-about .ab-panel__count {
  margin: 0;
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-about .ab-panel__num {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.5vw, 44px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-about .ab-panel__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--ab-hairline-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .ab-archive__foot {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist-dim);
}

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

/* ---------- 05 登记信息 ---------- */

.page-about .ab-facts {
  display: grid;
  gap: 1px;
  background: var(--ab-hairline-soft);
  border: 1px solid var(--ab-hairline-soft);
}

@media (min-width: 760px) {
  .page-about .ab-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-about .ab-fact {
  background: var(--ink-900);
  padding: 22px 20px 24px;
}

.page-about .ab-fact__k {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist-dim);
}

.page-about .ab-fact__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
}

.page-about .ab-fact__sub {
  display: inline-block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-dim);
}

/* ---------- 收束 ---------- */

.page-about .ab-next {
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-about .ab-next__frame {
  position: relative;
  padding: clamp(26px, 4vw, 52px) clamp(22px, 4vw, 48px) clamp(30px, 4.5vw, 56px);
  border: 1px solid var(--ab-hairline);
  background: linear-gradient(180deg, rgba(14, 26, 60, .92), rgba(7, 14, 36, .96));
}

.page-about .ab-next__frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 72px;
  height: 3px;
  background: var(--gold);
}

.page-about .ab-next__title {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--white);
  max-width: 22ch;
}

.page-about .ab-next__text {
  margin: clamp(16px, 2.5vw, 22px) 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .ab-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 减弱动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-ruler a,
  .page-about .ab-tl__item,
  .page-about .ab-tl__item::before,
  .page-about .ab-tl__num,
  .page-about .ab-group,
  .page-about .ab-group__more,
  .page-about .ab-archive__tabs .tab {
    transition: none;
  }
}
</style>
<<<END>>>