.page-about {
  background: var(--ink);
  color: var(--text);
  overflow-x: clip;
}

.page-about h2 {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.6vw, 2.35rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 12px 0 16px;
}

.page-about h3 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.35;
}

.page-about p {
  margin: 0 0 14px;
  line-height: 1.85;
}

/* ---------- 面包屑 ---------- */
.page-about .ab-crumb {
  padding-top: clamp(76px, 10vw, 108px);
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  position: relative;
  padding: clamp(14px, 3vw, 28px) 0 clamp(48px, 8vw, 96px);
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  left: -10%;
  right: -10%;
  top: 16%;
  height: 46%;
  background: linear-gradient(96deg, rgba(108, 60, 233, 0.38), rgba(0, 229, 208, 0.12) 58%, transparent 82%);
  transform: skewY(-4.5deg);
  pointer-events: none;
}

.page-about .ab-hero__inner {
  position: relative;
  display: grid;
  gap: 32px;
  align-items: start;
}

.page-about .ab-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(2rem, 6.2vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  margin: 14px 0 18px;
}

.page-about .ab-hero__figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--edge);
  background: var(--violet-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-about .ab-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-about .ab-hero__meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .ab-hero__meta li {
  display: grid;
  gap: 2px;
  padding: 12px 14px;
  border-top: 2px solid var(--phantom);
  background: linear-gradient(180deg, rgba(108, 60, 233, 0.18), transparent);
}

.page-about .ab-hero__meta .hx-mono {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2.6vw, 1.7rem);
  letter-spacing: 0.02em;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-hero__meta li > span:last-child {
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

@media (min-width: 900px) {
  .page-about .ab-hero__inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-about .ab-hero__copy {
    grid-column: 1 / span 6;
  }

  .page-about .ab-hero__figure {
    grid-column: 7 / span 6;
    margin-top: clamp(44px, 6vw, 84px);
  }

  .page-about .ab-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
}

/* ---------- 起点 ---------- */
.page-about .ab-why {
  padding: clamp(46px, 8vw, 92px) 0;
  border-top: 1px solid var(--edge);
}

.page-about .ab-why__grid {
  display: grid;
  gap: 26px;
}

.page-about .ab-why__body > p {
  max-width: 36em;
  color: var(--text-dim);
  font-size: 1.02rem;
}

.page-about .ab-why__duo {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-about .ab-why__card {
  padding: 18px 20px;
  background: var(--violet-deep);
  border-left: 3px solid var(--alert);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-about .ab-why__card h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--text);
}

.page-about .ab-why__card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-dim);
  line-height: 1.7;
}

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

@media (min-width: 900px) {
  .page-about .ab-why__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: clamp(32px, 5vw, 76px);
  }

  .page-about .ab-why__body {
    margin-top: clamp(8px, 3vw, 40px);
  }
}

/* ---------- 时间轴 ---------- */
.page-about .ab-timeline {
  padding: clamp(52px, 8vw, 100px) 0;
  background:
    radial-gradient(120% 62% at 82% 0%, rgba(108, 60, 233, 0.2), transparent 62%),
    var(--ink);
}

.page-about .ab-timeline__lede {
  max-width: 34em;
  color: var(--text-dim);
  font-size: 1.02rem;
}

.page-about .ab-timeline__list {
  list-style: none;
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  max-width: 920px;
}

.page-about .ab-stop {
  position: relative;
  padding-left: 34px;
  padding-bottom: clamp(28px, 4vw, 44px);
}

.page-about .ab-stop:last-child {
  padding-bottom: 0;
}

.page-about .ab-stop::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(0, 229, 208, 0.12);
}

.page-about .ab-stop::after {
  content: "";
  position: absolute;
  left: 10px;
  top: 30px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--edge), rgba(42, 34, 56, 0.25));
}

.page-about .ab-stop:last-child::after {
  display: none;
}

.page-about .ab-stop__card {
  position: relative;
  background: var(--violet-deep);
  border: 1px solid var(--edge);
  border-left: 3px solid var(--phantom);
  padding: clamp(18px, 3vw, 30px) clamp(16px, 3vw, 28px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-about .ab-stop__card > p:last-child {
  margin-bottom: 0;
  color: var(--text-dim);
  font-size: 0.98rem;
}

.page-about .ab-stop__title {
  margin: 8px 0 12px;
  font-size: clamp(1.2rem, 2.6vw, 1.5rem);
  color: var(--text);
}

.page-about .ab-stop__year {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2rem, 5.4vw, 3.2rem);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--phantom-soft);
  margin-bottom: 8px;
  font-variant-numeric: tabular-nums;
}

@media (min-width: 900px) {
  .page-about .ab-stop:nth-child(even) .ab-stop__card {
    margin-left: clamp(0px, 3.5vw, 42px);
  }
}

/* ---------- 奶油纸嵌板 ---------- */
.page-about .ab-paper {
  background: var(--paper);
  color: var(--paper-ink);
  padding: clamp(46px, 7vw, 92px) 0;
  clip-path: polygon(0 22px, 100% 0, 100% 100%, 0 100%);
}

.page-about .ab-paper h2 {
  color: var(--paper-ink);
}

.page-about .ab-paper p {
  color: rgba(26, 20, 36, 0.8);
  max-width: 34em;
}

/* ---------- 阵容核对 ---------- */
.page-about .ab-lineup__inner {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-about .ab-lineup__figure {
  margin: 0;
  overflow: hidden;
  background: var(--paper-ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

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

.page-about .ab-shifts {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .ab-shifts__row {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(26, 20, 36, 0.06);
  border-left: 3px solid var(--phantom);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-about .ab-shifts__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-about .ab-shifts__name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--paper-ink);
}

.page-about .ab-shifts__desc {
  font-size: 0.86rem;
  line-height: 1.6;
  color: rgba(26, 20, 36, 0.68);
}

@media (max-width: 479px) {
  .page-about .ab-shifts__row {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .page-about .ab-shifts__desc {
    grid-column: 2;
  }
}

@media (min-width: 900px) {
  .page-about .ab-lineup__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    column-gap: clamp(32px, 5vw, 64px);
  }
}

/* ---------- 覆盖范围 ---------- */
.page-about .ab-scale {
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-about .ab-scale__body {
  display: grid;
  gap: 30px;
  margin-top: 30px;
}

.page-about .ab-scale__lvl {
  border: 1px solid var(--edge);
  padding: clamp(12px, 2.4vw, 22px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-about .ab-scale__lvl--a {
  background: rgba(108, 60, 233, 0.2);
  border-color: rgba(185, 163, 255, 0.35);
}

.page-about .ab-scale__lvl--b {
  margin-top: 10px;
  background: rgba(0, 229, 208, 0.12);
  border-color: rgba(0, 229, 208, 0.35);
}

.page-about .ab-scale__lvl--c {
  margin-top: 10px;
  background: rgba(198, 255, 61, 0.1);
  border-color: rgba(198, 255, 61, 0.32);
}

.page-about .ab-scale__cap {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-about .ab-scale__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-about .ab-scale__stats li {
  display: grid;
  gap: 2px;
  padding: 14px 16px;
  background: var(--violet-deep);
  border-left: 2px solid var(--cyan);
}

.page-about .ab-scale__num {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  line-height: 1.1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-about .ab-scale__note {
  margin: 22px 0 0;
  max-width: 34em;
  color: var(--text-dim);
  font-size: 0.96rem;
}

@media (min-width: 640px) {
  .page-about .ab-scale__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .ab-scale__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    column-gap: clamp(32px, 5vw, 64px);
    align-items: center;
  }
}

/* ---------- 赛季观察 ---------- */
.page-about .ab-report__inner {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-about .ab-report__list {
  list-style: none;
  margin: 4px 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .ab-report__list li {
  position: relative;
  padding-left: 22px;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(26, 20, 36, 0.82);
}

.page-about .ab-report__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 10px;
  height: 2px;
  background: var(--phantom);
}

.page-about .ab-report__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(26, 20, 36, 0.18);
  font-size: 0.9rem;
  color: rgba(26, 20, 36, 0.7);
}

.page-about .ab-report__figure {
  margin: 0;
  overflow: hidden;
  background: var(--paper-ink);
  clip-path: polygon(0 18px, 100% 0, 100% 100%, 0 100%);
}

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

@media (min-width: 900px) {
  .page-about .ab-report__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    column-gap: clamp(32px, 5vw, 64px);
  }
}

/* ---------- 接下来一年 ---------- */
.page-about .ab-next {
  padding: clamp(52px, 8vw, 100px) 0;
}

.page-about .ab-next__list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
}

.page-about .ab-next__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--edge);
}

.page-about .ab-next__item:last-child {
  border-bottom: 1px solid var(--edge);
}

.page-about .ab-next__idx {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-about .ab-next__txt h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: var(--text);
}

.page-about .ab-next__txt p {
  margin: 0;
  max-width: 40em;
  font-size: 0.96rem;
  color: var(--text-dim);
  line-height: 1.8;
}

/* ---------- 行动区 ---------- */
.page-about .ab-cta {
  padding: clamp(44px, 8vw, 92px) 0 clamp(56px, 9vw, 104px);
}

.page-about .ab-cta__inner {
  padding: clamp(28px, 5vw, 52px);
  background: linear-gradient(118deg, var(--phantom), var(--violet-deep) 88%);
  clip-path: polygon(0 24px, 100% 0, 100% 100%, 0 100%);
}

.page-about .ab-cta__inner h2 {
  color: #FFFFFF;
  margin-top: 0;
}

.page-about .ab-cta__inner p {
  max-width: 40em;
  color: rgba(244, 235, 217, 0.88);
  font-size: 0.98rem;
}

.page-about .ab-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .ab-hero::before {
    transform: skewY(-4.5deg);
  }
}
<<<END>>>