.page-about {
  --ab-body-ink: rgba(232, 240, 236, .84);
  --ab-rule: rgba(55, 224, 200, .30);
  --ab-side-w: 168px;
  position: relative;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-about .bw-crumbs {
  margin-top: clamp(18px, 3vw, 28px);
}

/* ---------- 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;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

@media (min-width: 900px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: end;
  }
}

.page-about .ab-hero__title {
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: clamp(32px, 7.2vw, 72px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.022em;
  color: var(--bw-fog);
  text-wrap: balance;
}

.page-about .ab-hero__lede {
  margin-top: clamp(16px, 2.5vw, 26px);
  max-width: 46ch;
}

.page-about .ab-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 3vw, 44px);
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding-top: clamp(16px, 2.5vw, 24px);
  border-top: 1px solid var(--bw-line);
}

.page-about .ab-hero__facts > div {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-about .ab-hero__facts dt {
  font-family: var(--bw-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--bw-sage);
}

.page-about .ab-hero__facts dd {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--bw-fog);
}

.page-about .ab-hero__fig {
  margin: 0;
  aspect-ratio: 4 / 3;
}

/* ---------- 章节骨架 ---------- */

.page-about .ab-band {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.5vw, 24px);
  padding-block: clamp(40px, 7vw, 80px);
}

.page-about .ab-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--bw-line-2) 16%, var(--bw-line-2) 60%, transparent);
}

@media (min-width: 860px) {
  .page-about .ab-band {
    grid-template-columns: var(--ab-side-w) minmax(0, 1fr);
    column-gap: clamp(28px, 5vw, 72px);
    row-gap: 0;
  }
}

.page-about .ab-band--full > .ab-body {
  grid-column: 1 / -1;
}

.page-about .ab-side {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

@media (min-width: 860px) {
  .page-about .ab-side {
    display: block;
    position: sticky;
    top: 128px;
    align-self: start;
  }
}

.page-about .ab-side__year {
  display: block;
  font-family: var(--bw-mono);
  font-size: clamp(26px, 4.6vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--bw-amber);
}

.page-about .ab-side__tag {
  display: block;
  margin-top: 0;
  font-family: var(--bw-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--bw-sage);
}

@media (min-width: 860px) {
  .page-about .ab-side__tag {
    margin-top: 12px;
  }

  .page-about .ab-side::before {
    content: "";
    display: block;
    width: 26px;
    height: 2px;
    margin-bottom: 16px;
    border-radius: 2px;
    background: var(--bw-cyan);
  }
}

.page-about .ab-h2 {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-size: clamp(23px, 3.5vw, 38px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: -.012em;
  color: var(--bw-fog);
}

.page-about .ab-sub {
  margin: clamp(36px, 5vw, 56px) 0 0;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--bw-cyan);
}

.page-about .ab-body > p {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ab-body-ink);
}

.page-about .ab-body > p:last-child {
  margin-bottom: 0;
}

/* ---------- 赛季节奏 ---------- */

.page-about .ab-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(22px, 3vw, 32px);
}

@media (min-width: 960px) {
  .page-about .ab-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
}

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

.page-about .ab-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-top: 1px solid var(--bw-line);
}

.page-about .ab-stage:first-child {
  border-top: 0;
  padding-top: 0;
}

@media (min-width: 720px) {
  .page-about .ab-stage {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 32px);
    align-items: start;
  }
}

.page-about .ab-stage__key {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-about .ab-stage__no {
  font-family: var(--bw-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--bw-cyan);
}

.page-about .ab-stage__name {
  font-size: 16px;
  font-weight: 700;
  color: var(--bw-fog);
}

.page-about .ab-stage__text {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ab-body-ink);
}

.page-about .ab-fig-34 {
  margin: 0;
  aspect-ratio: 4 / 3;
}

/* ---------- 团队分工 ---------- */

.page-about .ab-roles {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 clamp(22px, 3vw, 32px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 18px);
}

@media (min-width: 760px) {
  .page-about .ab-roles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-about .ab-role {
  padding: clamp(18px, 2.4vw, 26px);
  border-radius: var(--bw-r-md);
  border: 1px solid var(--bw-line);
  background: linear-gradient(180deg, rgba(20, 52, 44, .72), rgba(16, 19, 18, .78));
  transition: transform .3s var(--bw-ease), border-color .3s var(--bw-ease);
}

.page-about .ab-role:hover {
  transform: translateY(-3px);
  border-color: var(--bw-cyan-16);
}

.page-about .ab-role p {
  margin: 16px 0 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ab-body-ink);
}

/* ---------- 数字与时间线 ---------- */

.page-about .ab-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(146px, 1fr));
  gap: clamp(18px, 3vw, 32px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-about .ab-stat {
  padding-bottom: 12px;
  border-bottom: 3px solid var(--ab-rule);
}

.page-about .ab-stat__n {
  display: block;
  font-family: var(--bw-mono);
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--bw-amber);
}

.page-about .ab-stat__l {
  display: block;
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--bw-sage);
}

.page-about .ab-line {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: clamp(24px, 3vw, 32px);
  border-top: 1px solid var(--bw-line-2);
}

.page-about .ab-line__item {
  position: relative;
  padding-top: 26px;
}

.page-about .ab-line__item::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--bw-cyan);
  box-shadow: 0 0 0 4px rgba(55, 224, 200, .14);
}

.page-about .ab-line__year {
  display: block;
  font-family: var(--bw-mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--bw-fog);
}

.page-about .ab-line__chip {
  display: inline-block;
  margin-top: 10px;
}

.page-about .ab-line__item p {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--bw-sage);
}

/* ---------- 辽宁本地 ---------- */

.page-about .ab-wide-fig {
  margin: clamp(20px, 3vw, 32px) 0 clamp(22px, 3vw, 30px);
  aspect-ratio: 16 / 7;
}

@media (max-width: 640px) {
  .page-about .ab-wide-fig {
    aspect-ratio: 3 / 2;
  }
}

/* ---------- 结尾 ---------- */

.page-about .ab-cta {
  padding: clamp(28px, 4.5vw, 52px);
  border-radius: var(--bw-r-lg);
  border: 1px solid var(--bw-line);
  background:
    radial-gradient(120% 160% at 8% 0%, rgba(55, 224, 200, .12), transparent 58%),
    linear-gradient(180deg, rgba(20, 52, 44, .85), rgba(16, 19, 18, .9));
}

.page-about .ab-cta__lede {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ab-body-ink);
}

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

@media (max-width: 420px) {
  .page-about .ab-cta__links .bw-btn {
    flex: 1 1 100%;
    text-align: center;
  }
}