.page-about {
  --ab-radius-arch: clamp(28px, 6vw, 72px);
  --ab-hair: rgba(216, 207, 188, .32);
}

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  padding-top: clamp(28px, 4vw, 44px);
}

.page-about .ab-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(24px, 3.6vw, 46px);
}

@media (min-width: 960px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
  }
}

.page-about .ab-hero__copy h1 {
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.2;
  color: var(--wy-ink);
  margin: 14px 0 0;
  max-width: 18em;
}

.page-about .ab-hero__lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--wy-graphite);
}

.page-about .ab-hero__note {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--wy-graphite-soft);
}

.page-about .ab-hero__aside {
  background: linear-gradient(160deg, var(--wy-ink) 0%, var(--wy-ink-deep) 100%);
  border-radius: var(--ab-radius-arch) var(--ab-radius-arch) var(--wy-radius-lg) var(--wy-radius-lg);
  padding: clamp(24px, 3.4vw, 40px);
  box-shadow: var(--wy-shadow-float);
}

.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
}

.page-about .ab-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid rgba(201, 162, 74, .55);
}

.page-about .ab-stat__num {
  font-family: var(--wy-font-mono);
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.1;
  color: var(--wy-gold);
  letter-spacing: .02em;
}

.page-about .ab-stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(243, 237, 225, .72);
}

.page-about .ab-hero__aside-note {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px dashed rgba(216, 207, 188, .28);
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(243, 237, 225, .66);
}

/* ---------- 对页骨架 ---------- */
.page-about .ab-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  margin-top: clamp(44px, 6vw, 86px);
  padding-bottom: clamp(40px, 6vw, 80px);
}

@media (min-width: 920px) {
  .page-about .ab-shell {
    grid-template-columns: minmax(170px, 21%) minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 60px);
  }
}

/* ---------- 左侧坐标栏 ---------- */
.page-about .ab-rail {
  min-width: 0;
}

@media (min-width: 920px) {
  .page-about .ab-rail {
    position: sticky;
    top: calc(var(--wy-header-h) + 22px);
    align-self: start;
  }
}

.page-about .ab-rail__label {
  font-family: var(--wy-font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--wy-graphite-soft);
  margin: 0 0 12px;
}

.page-about .ab-rail__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

@media (min-width: 920px) {
  .page-about .ab-rail__nav {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
}

.page-about .ab-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--wy-radius-pill);
  font-size: 14px;
  color: var(--wy-graphite);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background .22s var(--wy-ease), color .22s var(--wy-ease), border-color .22s var(--wy-ease);
}

@media (min-width: 920px) {
  .page-about .ab-rail__link {
    width: 100%;
    border-radius: var(--wy-radius-sm);
    padding: 9px 12px;
  }
}

.page-about .ab-rail__link:hover,
.page-about .ab-rail__link:focus-visible {
  background: var(--wy-paper-lift);
  border-color: var(--wy-mist);
  color: var(--wy-ink);
}

.page-about .ab-rail__link[aria-current="true"] {
  background: var(--wy-ink);
  border-color: var(--wy-ink);
  color: var(--wy-paper);
}

.page-about .ab-rail__num {
  font-family: var(--wy-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--wy-gold-deep);
}

.page-about .ab-rail__link[aria-current="true"] .ab-rail__num {
  color: var(--wy-gold);
}

.page-about .ab-rail__foot {
  margin: 24px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--wy-mist);
  font-family: var(--wy-font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--wy-graphite-soft);
}

/* ---------- 章节容器 ---------- */
.page-about .ab-flow {
  min-width: 0;
}

.page-about .ab-chapter {
  position: relative;
  padding: clamp(26px, 3.6vw, 52px) clamp(20px, 3vw, 46px);
  border-radius: var(--wy-radius-lg);
  margin-bottom: clamp(24px, 3.4vw, 48px);
  scroll-margin-top: calc(var(--wy-header-h) + 28px);
  overflow-wrap: break-word;
}

.page-about .ab-chapter--paper {
  background: var(--wy-paper-lift);
  border: 1px solid var(--wy-mist);
}

.page-about .ab-chapter--ink {
  background: linear-gradient(168deg, var(--wy-ink) 0%, var(--wy-ink-deep) 100%);
  border-radius: var(--ab-radius-arch) var(--ab-radius-arch) var(--wy-radius-lg) var(--wy-radius-lg);
  box-shadow: var(--wy-shadow-float);
}

.page-about .ab-chapter__title {
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: clamp(22px, 2.8vw, 34px);
  line-height: 1.3;
  color: var(--wy-ink);
  margin: 12px 0 0;
}

.page-about .ab-chapter__title--light {
  color: var(--wy-paper);
}

.page-about .ab-chapter__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--wy-graphite);
}

.page-about .ab-chapter__lead--light {
  color: rgba(243, 237, 225, .78);
}

.page-about .wy-index--light {
  color: rgba(201, 162, 74, .9);
}

/* ---------- 01 时间轴 ---------- */
.page-about .ab-timeline {
  position: relative;
  list-style: none;
  margin: clamp(26px, 3.4vw, 44px) 0 0;
  padding: 0 0 0 30px;
  display: grid;
  gap: clamp(22px, 3vw, 34px);
}

.page-about .ab-timeline::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--wy-gold) 0%, var(--wy-jade) 100%);
  opacity: .55;
}

.page-about .ab-tl-item {
  position: relative;
}

.page-about .ab-tl-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--wy-gold);
  box-shadow: 0 0 0 5px rgba(201, 162, 74, .16);
}

.page-about .ab-tl-item__time {
  font-family: var(--wy-font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--wy-gold-deep);
  margin: 0 0 4px;
}

.page-about .ab-tl-item__name {
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .03em;
  font-size: 18px;
  line-height: 1.4;
  color: var(--wy-ink);
  margin: 0;
}

.page-about .ab-tl-item__desc {
  margin: 8px 0 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--wy-graphite-soft);
}

/* ---------- 02 团队分工 ---------- */
.page-about .ab-team {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3.2vw, 40px);
}

.page-about .ab-team__row {
  padding: 16px 18px;
  border-radius: var(--wy-radius-md);
  border: 1px solid rgba(216, 207, 188, .22);
  background: rgba(250, 246, 236, .04);
  transition: background .24s var(--wy-ease), border-color .24s var(--wy-ease), transform .24s var(--wy-ease);
}

.page-about .ab-team__row:hover,
.page-about .ab-team__row:focus-visible {
  background: rgba(250, 246, 236, .1);
  border-color: rgba(201, 162, 74, .58);
  transform: translateX(4px);
  outline: none;
}

.page-about .ab-team__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.page-about .ab-team__name {
  margin: 0;
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 17px;
  color: var(--wy-paper);
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}

.page-about .ab-team__count {
  font-family: var(--wy-font-mono);
  font-size: 13px;
  color: var(--wy-gold);
}

.page-about .ab-team__share {
  font-family: var(--wy-font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: rgba(243, 237, 225, .6);
}

.page-about .ab-team__bar {
  height: 8px;
  margin: 12px 0 0;
  border-radius: var(--wy-radius-pill);
  background: rgba(216, 207, 188, .16);
  overflow: hidden;
}

.page-about .ab-team__fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: var(--wy-radius-pill);
  background: linear-gradient(90deg, var(--wy-gold) 0%, var(--wy-jade) 100%);
  transition: width .8s var(--wy-ease);
}

.page-about .ab-team__row:nth-child(1) .ab-team__fill { width: 23.7%; }
.page-about .ab-team__row:nth-child(2) .ab-team__fill { width: 15.8%; }
.page-about .ab-team__row:nth-child(3) .ab-team__fill { width: 28.9%; }
.page-about .ab-team__row:nth-child(4) .ab-team__fill { width: 31.6%; }

.page-about .ab-team__desc {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 237, 225, .74);
}

.page-about .ab-team__row:hover .ab-team__desc,
.page-about .ab-team__row:focus-visible .ab-team__desc {
  color: rgba(243, 237, 225, .94);
}

/* ---------- 03 规则档 ---------- */
.page-about .ab-rules {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(24px, 3.2vw, 40px);
}

@media (min-width: 860px) {
  .page-about .ab-rules {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

.page-about .ab-rules__main {
  min-width: 0;
}

.page-about .ab-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .ab-step {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border-radius: var(--wy-radius-md);
  background: var(--wy-paper);
  border: 1px solid var(--wy-mist);
}

.page-about .ab-step__no {
  font-family: var(--wy-font-mono);
  font-size: 15px;
  line-height: 30px;
  text-align: center;
  color: var(--wy-gold-deep);
  border: 1px solid var(--wy-mist);
  border-radius: var(--wy-radius-sm);
  background: var(--wy-paper-lift);
  -webkit-text-stroke: .4px var(--wy-gold-deep);
}

.page-about .ab-step__name {
  margin: 0;
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .03em;
  font-size: 16px;
  color: var(--wy-ink);
}

.page-about .ab-step__desc {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--wy-graphite-soft);
}

.page-about .ab-rules__figure {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-about .ab-rules__inset {
  margin: 0;
}

@media (min-width: 860px) {
  .page-about .ab-rules__inset {
    margin-top: 56px;
    margin-left: -30px;
    position: relative;
    z-index: 2;
  }
}

.page-about .ab-figure-note {
  font-family: var(--wy-font-mono);
  font-size: 12px;
  color: var(--wy-graphite-soft);
}

/* ---------- 04 赛季 ---------- */
.page-about .ab-schedule {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: clamp(24px, 3.2vw, 40px) 0 0;
  padding: 0;
}

@media (min-width: 760px) {
  .page-about .ab-schedule {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }
}

.page-about .ab-schedule__week {
  padding: 12px 6px;
  text-align: center;
  border-radius: var(--wy-radius-sm);
  font-family: var(--wy-font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--wy-paper);
  background: rgba(79, 179, 154, .18);
  border: 1px solid rgba(79, 179, 154, .42);
}

.page-about .ab-schedule__week--rush {
  background: rgba(123, 92, 224, .24);
  border-color: rgba(123, 92, 224, .62);
  color: #EDE8FF;
}

.page-about .ab-schedule__legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 14px 0 0;
  font-size: 13px;
  color: rgba(243, 237, 225, .68);
}

.page-about .ab-schedule__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--wy-jade);
}

.page-about .ab-schedule__dot--rush {
  background: var(--wy-iris);
}

.page-about .ab-season__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  margin-top: clamp(26px, 3.4vw, 44px);
}

@media (min-width: 880px) {
  .page-about .ab-season__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-about .ab-season__copy {
  min-width: 0;
}

.page-about .ab-season__sub {
  margin: 0 0 12px;
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 18px;
  color: var(--wy-gold);
}

.page-about .ab-season__copy p {
  margin: 0 0 12px;
  max-width: 32em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(243, 237, 225, .78);
}

.page-about .ab-season__figure {
  margin: 0;
}

.page-about .ab-tiers {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
}

.page-about .ab-tiers__item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: var(--wy-radius-pill);
  font-family: var(--wy-font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(243, 237, 225, .82);
  border: 1px solid rgba(216, 207, 188, .2);
  background: rgba(250, 246, 236, .04);
}

.page-about .ab-tiers__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--wy-graphite-soft);
}

.page-about .ab-tiers__item:nth-child(1) .ab-tiers__dot { background: #8C6B47; }
.page-about .ab-tiers__item:nth-child(2) .ab-tiers__dot { background: #B9BEC2; }
.page-about .ab-tiers__item:nth-child(3) .ab-tiers__dot { background: var(--wy-gold); }
.page-about .ab-tiers__item:nth-child(4) .ab-tiers__dot { background: #6FB6C6; }
.page-about .ab-tiers__item:nth-child(5) .ab-tiers__dot { background: var(--wy-jade); }
.page-about .ab-tiers__item:nth-child(6) .ab-tiers__dot { background: #9FD3E8; }
.page-about .ab-tiers__item:nth-child(7) .ab-tiers__dot { background: #E0C57A; }
.page-about .ab-tiers__item:nth-child(8) .ab-tiers__dot { background: var(--wy-vermilion); }
.page-about .ab-tiers__item:nth-child(9) .ab-tiers__dot { background: var(--wy-iris); }

/* ---------- 05 结算 ---------- */
.page-about .ab-receipt {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(24px, 3.2vw, 38px);
}

@media (min-width: 640px) {
  .page-about .ab-receipt {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-about .ab-receipt {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .ab-receipt__item {
  padding: 18px 16px;
  border-radius: var(--wy-radius-md);
  background: var(--wy-paper);
  border: 1px solid var(--wy-mist);
  border-top: 3px solid var(--wy-gold);
}

.page-about .ab-receipt__idx {
  font-family: var(--wy-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--wy-gold-deep);
}

.page-about .ab-receipt__name {
  margin: 10px 0 0;
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 17px;
  color: var(--wy-ink);
}

.page-about .ab-receipt__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--wy-graphite-soft);
}

.page-about .ab-replay {
  margin-top: clamp(26px, 3.4vw, 44px);
  padding: clamp(20px, 2.6vw, 30px);
  border-radius: var(--wy-radius-lg);
  background: linear-gradient(140deg, rgba(79, 179, 154, .1) 0%, rgba(201, 162, 74, .12) 100%);
  border: 1px solid var(--wy-mist);
}

.page-about .ab-replay__sub {
  margin: 0 0 14px;
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 18px;
  color: var(--wy-ink);
}

.page-about .ab-replay__list {
  margin: 0;
  padding: 0 0 0 18px;
  display: grid;
  gap: 10px;
}

.page-about .ab-replay__list li {
  font-size: 15px;
  line-height: 1.85;
  color: var(--wy-graphite);
}

.page-about .ab-replay__list strong {
  font-family: var(--wy-font-mono);
  font-weight: 700;
  color: var(--wy-ink);
}

.page-about .ab-replay__foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px dashed var(--wy-mist);
  font-size: 14px;
  line-height: 1.8;
  color: var(--wy-graphite-soft);
}

/* ---------- 06 合作 ---------- */
.page-about .ab-partners {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: clamp(24px, 3.2vw, 40px);
}

@media (min-width: 780px) {
  .page-about .ab-partners {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .ab-partner {
  padding: 22px 20px;
  border-radius: var(--wy-radius-md);
  background: rgba(250, 246, 236, .05);
  border: 1px solid rgba(216, 207, 188, .2);
  transition: border-color .24s var(--wy-ease), background .24s var(--wy-ease);
}

.page-about .ab-partner:hover {
  background: rgba(250, 246, 236, .09);
  border-color: rgba(201, 162, 74, .5);
}

.page-about .ab-partner__name {
  margin: 14px 0 0;
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 17px;
  color: var(--wy-paper);
}

.page-about .ab-partner__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: rgba(243, 237, 225, .74);
}

.page-about .ab-cta {
  margin-top: clamp(24px, 3.2vw, 38px);
  padding-top: clamp(20px, 2.6vw, 28px);
  border-top: 1px dashed rgba(216, 207, 188, .26);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.page-about .ab-cta__text {
  margin: 0;
  max-width: 40em;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(243, 237, 225, .76);
}

/* ---------- 延伸阅读 ---------- */
.page-about .ab-next {
  padding: clamp(22px, 3vw, 34px) 0 0;
  border-top: 1px solid var(--wy-mist);
}

.page-about .ab-next__title {
  margin: 0 0 18px;
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--wy-ink);
}

.page-about .ab-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

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

.page-about .ab-next__card {
  display: grid;
  gap: 6px;
  padding: 18px;
  border-radius: var(--wy-radius-md);
  background: var(--wy-paper-lift);
  border: 1px solid var(--wy-mist);
  text-decoration: none;
  transition: transform .22s var(--wy-ease), border-color .22s var(--wy-ease), box-shadow .22s var(--wy-ease);
}

.page-about .ab-next__card:hover,
.page-about .ab-next__card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--wy-gold);
  box-shadow: var(--wy-shadow-card);
}

.page-about .ab-next__idx {
  font-family: var(--wy-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--wy-gold-deep);
}

.page-about .ab-next__name {
  font-family: var(--wy-font-display);
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 16px;
  color: var(--wy-ink);
}

.page-about .ab-next__desc {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--wy-graphite-soft);
}

/* ---------- 图片收口 ---------- */
.page-about .wy-figure img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-team__row,
  .page-about .ab-team__fill,
  .page-about .ab-next__card {
    transition: none;
  }
}
<<<END>>>