.page-about {
  --about-line: rgba(10, 26, 43, .14);
  --about-moss-soft: #E2EDE6;
  --about-tint: #EFEDE3;
  background: var(--as-cream);
  color: var(--as-deep);
  overflow-x: clip;
}

.page-about .about-top {
  padding-top: calc(var(--as-header-h) + 18px);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  padding: 22px 0 0;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 30px;
}

.page-about .about-hero__kicker,
.page-about .as-kicker {
  font-family: var(--as-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--as-grass-deep);
  margin: 0;
}

.page-about .about-hero__title {
  font-family: var(--as-font-head);
  font-weight: 900;
  font-size: clamp(34px, 8.6vw, 72px);
  line-height: 1.05;
  letter-spacing: -0.022em;
  margin: 14px 0 20px;
  color: var(--as-deep);
}

.page-about .about-hero__lede {
  max-width: 60ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: rgba(10, 26, 43, .84);
  margin: 0;
}

.page-about .about-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__figure {
  margin: 0;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--as-radius-l) var(--as-radius-l) var(--as-radius-l) 6px;
}

.page-about .about-hero__cap {
  margin-top: 10px;
  font-family: var(--as-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--as-rock);
}

/* ---------- 规模条 ---------- */

.page-about .about-strip {
  margin-top: 44px;
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
  padding: 22px 0;
}

.page-about .about-strip__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 22px;
}

.page-about .about-strip__cell {
  min-width: 0;
}

.page-about .about-strip__num {
  display: block;
  font-family: var(--as-font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(26px, 7vw, 38px);
  line-height: 1.05;
  color: var(--as-grass-deep);
}

.page-about .about-strip__unit {
  font-size: .48em;
  margin-left: 3px;
  color: var(--as-clay);
}

.page-about .about-strip__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--as-rock);
}

/* ---------- 章节跳转 ---------- */

.page-about .about-jump {
  position: sticky;
  top: calc(var(--as-header-h) + 6px);
  z-index: 15;
  margin-top: 34px;
}

.page-about .about-jump__inner {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 7px 8px;
  background: rgba(244, 241, 232, .94);
  border: 1px solid var(--about-line);
  border-radius: 999px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-jump__inner::-webkit-scrollbar {
  display: none;
}

.page-about .about-jump a {
  flex: none;
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.2;
  color: var(--as-deep);
  text-decoration: none;
  white-space: nowrap;
  transition: background .25s var(--as-ease), color .25s var(--as-ease);
}

.page-about .about-jump a:hover,
.page-about .about-jump a:focus-visible {
  background: var(--as-grass);
  color: var(--as-cream);
}

/* ---------- 通用章节骨架 ---------- */

.page-about .about-sec {
  padding: 62px 0;
}

.page-about .about-sec--tint {
  background: var(--about-tint);
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}

.page-about .about-sec--deep {
  background: var(--as-deep);
  color: var(--as-cream);
}

.page-about .about-sec--deep .as-kicker {
  color: var(--as-amber);
}

.page-about .about-sec h2 {
  font-family: var(--as-font-head);
  font-weight: 900;
  font-size: clamp(25px, 6.2vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.012em;
  margin: 12px 0 0;
  max-width: 24ch;
}

.page-about .about-sec--deep h2 {
  color: var(--as-cream);
}

.page-about .about-intro {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.76;
  color: rgba(10, 26, 43, .8);
}

.page-about .about-sec--deep .about-intro {
  color: rgba(244, 241, 232, .82);
}

.page-about .about-prose {
  margin-top: 20px;
}

.page-about .about-prose p {
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(10, 26, 43, .86);
  margin: 0 0 16px;
}

.page-about .about-prose p:last-child {
  margin-bottom: 0;
}

.page-about .about-sec--deep .about-prose p {
  color: rgba(244, 241, 232, .86);
}

.page-about .about-prose a {
  color: var(--as-grass-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-about .about-prose a:hover {
  color: var(--as-clay);
}

.page-about .about-sec--deep .about-prose a {
  color: var(--as-amber);
}

/* ---------- 主内容 + 旁注 ---------- */

.page-about .about-split {
  display: grid;
  gap: 28px;
}

.page-about .about-split__main {
  min-width: 0;
}

.page-about .about-split__side {
  min-width: 0;
}

.page-about .about-note {
  background: var(--about-moss-soft);
  border-radius: var(--as-radius-m) var(--as-radius-m) var(--as-radius-m) 6px;
  padding: 22px 20px;
}

.page-about .about-note--plain {
  background: var(--as-white);
  border: 1px solid var(--about-line);
}

.page-about .about-note__title {
  display: block;
  font-family: var(--as-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--as-grass-deep);
  margin-bottom: 12px;
}

.page-about .about-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(10, 26, 43, .84);
}

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

.page-about .about-note__list li {
  font-size: 14.5px;
  line-height: 1.6;
  color: rgba(10, 26, 43, .84);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--about-line);
}

.page-about .about-note__list li:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.page-about .about-note__list .as-mono {
  display: block;
  font-family: var(--as-font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 20px;
  color: var(--as-clay);
  margin-bottom: 4px;
}

/* ---------- 时间线 ---------- */

.page-about .about-tl {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
}

.page-about .about-tl__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
}

.page-about .about-tl__rail {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-about .about-tl__dot {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--as-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 700;
  color: #FFFFFF;
  background: linear-gradient(150deg, var(--as-grass), var(--as-orange));
  box-shadow: 0 0 0 7px rgba(30, 122, 78, .1);
}

.page-about .about-tl__line {
  flex: 1 1 auto;
  width: 2px;
  min-height: 34px;
  margin-top: 10px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--as-grass), var(--as-orange) 62%, rgba(255, 107, 44, 0));
}

.page-about .about-tl__item:last-child .about-tl__line {
  display: none;
}

.page-about .about-tl__body {
  padding-bottom: 38px;
  min-width: 0;
}

.page-about .about-tl__stage {
  display: block;
  font-family: var(--as-font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--as-amber);
}

.page-about .about-tl__title {
  font-family: var(--as-font-head);
  font-size: clamp(20px, 5vw, 28px);
  font-weight: 800;
  line-height: 1.32;
  margin: 8px 0 12px;
  color: var(--as-cream);
  max-width: 26ch;
}

.page-about .about-tl__text {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(244, 241, 232, .84);
}

.page-about .about-tl__note {
  display: grid;
  grid-template-rows: 1fr;
}

.page-about .about-tl__notecard {
  overflow: hidden;
  margin-top: 16px;
  padding: 15px 18px;
  border-left: 3px solid var(--as-orange);
  background: rgba(244, 241, 232, .07);
  border-radius: 0 var(--as-radius-s) var(--as-radius-s) 0;
  transition: padding .4s var(--as-ease), border-color .3s var(--as-ease);
}

.page-about .about-tl__notetitle {
  display: block;
  font-family: var(--as-font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--as-amber);
  margin-bottom: 8px;
}

.page-about .about-tl__notecard p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(244, 241, 232, .88);
}

.page-about .about-tl__figure {
  margin: 22px 0 0;
}

.page-about .about-tl__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--as-radius-m) var(--as-radius-m) var(--as-radius-m) 6px;
}

.page-about .about-tl__figure figcaption {
  margin-top: 10px;
  font-family: var(--as-font-mono);
  font-size: 12px;
  color: rgba(244, 241, 232, .58);
}

/* ---------- 覆盖条带 ---------- */

.page-about .about-belt {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
}

.page-about .about-belt__item {
  flex: 1 1 200px;
  min-width: 0;
  background: var(--as-white);
  border: 1px solid var(--about-line);
  border-left: 3px solid var(--as-moss);
  border-radius: var(--as-radius-s) var(--as-radius-m) var(--as-radius-m) var(--as-radius-s);
  padding: 20px 18px;
  transition: border-color .25s var(--as-ease), transform .25s var(--as-ease), box-shadow .25s var(--as-ease);
}

.page-about .about-belt__item--accent {
  border-left-color: var(--as-orange);
}

.page-about .about-belt__item:hover {
  border-color: var(--as-orange);
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(10, 26, 43, .09);
}

.page-about .about-belt__num {
  display: block;
  font-family: var(--as-font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(28px, 7vw, 40px);
  line-height: 1;
  color: var(--as-deep);
  transition: color .25s var(--as-ease);
}

.page-about .about-belt__item:hover .about-belt__num {
  color: var(--as-orange);
}

.page-about .about-belt__label {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--as-deep);
}

.page-about .about-belt__desc {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.62;
  color: var(--as-rock);
}

/* ---------- 球员数据表 ---------- */

.page-about .about-fields {
  margin-top: 32px;
  background: var(--as-white);
  border: 1px solid var(--about-line);
  border-radius: var(--as-radius-m);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-fields__cap {
  caption-side: top;
  text-align: left;
  padding: 16px 18px 0;
  font-family: var(--as-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--as-rock);
}

.page-about .about-fields table {
  width: 100%;
  min-width: 580px;
  border-collapse: collapse;
}

.page-about .about-fields th,
.page-about .about-fields td {
  text-align: left;
  padding: 16px 18px;
  font-size: 15px;
  line-height: 1.64;
  border-bottom: 1px solid var(--about-line);
  vertical-align: top;
}

.page-about .about-fields thead th {
  font-family: var(--as-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--as-grass-deep);
  background: #EBF1EC;
  white-space: nowrap;
}

.page-about .about-fields td:first-child {
  font-family: var(--as-font-mono);
  font-weight: 700;
  color: var(--as-deep);
  white-space: nowrap;
}

.page-about .about-fields tbody td:nth-child(3) {
  color: rgba(10, 26, 43, .78);
}

.page-about .about-fields tbody tr:hover {
  background: #FCF6EC;
}

.page-about .about-fields tbody tr:last-child td {
  border-bottom: none;
}

.page-about .about-fields__tip {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--as-rock);
}

/* ---------- 合作横幅 ---------- */

.page-about .about-band {
  margin: 0 0 46px;
}

.page-about .about-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
  border-radius: var(--as-radius-l) 6px var(--as-radius-l) var(--as-radius-l);
  filter: saturate(.92);
}

/* ---------- 下一步卡片 ---------- */

.page-about .about-next {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.page-about .about-next__card {
  background: var(--as-white);
  border: 1px solid var(--about-line);
  border-radius: var(--as-radius-m);
  padding: 22px 20px;
  transition: border-color .25s var(--as-ease), transform .25s var(--as-ease);
}

.page-about .about-next__card:hover {
  border-color: var(--as-orange);
  transform: translateY(-2px);
}

.page-about .about-next__idx {
  font-family: var(--as-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--as-orange);
}

.page-about .about-next__card h3 {
  font-family: var(--as-font-head);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.38;
  margin: 10px 0 9px;
  color: var(--as-deep);
}

.page-about .about-next__card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(10, 26, 43, .78);
}

/* ---------- 结尾行动区 ---------- */

.page-about .about-cta {
  position: relative;
  margin-top: 20px;
  padding: 58px 0 66px;
  background: linear-gradient(122deg, var(--as-night) 0%, var(--as-deep) 52%, #14324B 100%);
  color: var(--as-cream);
  overflow: hidden;
}

.page-about .about-cta::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -80px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 194, 75, .32), rgba(255, 194, 75, 0) 68%);
  pointer-events: none;
}

.page-about .about-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.page-about .about-cta h2 {
  font-family: var(--as-font-head);
  font-weight: 900;
  font-size: clamp(25px, 6vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.012em;
  margin: 0 0 14px;
  color: var(--as-cream);
  max-width: 22ch;
}

.page-about .about-cta p {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.74;
  color: rgba(244, 241, 232, .8);
}

.page-about .about-cta__acts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-about .about-cta__link {
  font-size: 14px;
  color: var(--as-amber);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(255, 194, 75, .45);
  transition: border-color .25s var(--as-ease), color .25s var(--as-ease);
}

.page-about .about-cta__link:hover {
  color: var(--as-cream);
  border-color: var(--as-cream);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-about .about-strip__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px 26px;
  }

  .page-about .about-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-tl__item {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 24px;
  }

  .page-about .about-tl__dot {
    width: 54px;
    height: 54px;
    font-size: 15px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: center;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .about-split--band {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
  }

  .page-about .about-split__side {
    position: sticky;
    top: calc(var(--as-header-h) + 78px);
  }

  .page-about .about-split--band .about-split__side {
    position: static;
  }

  .page-about .about-sec {
    padding: 96px 0;
  }

  .page-about .about-tl__body {
    padding-bottom: 54px;
  }

  .page-about .about-tl__note {
    grid-template-rows: 0fr;
    transition: grid-template-rows .46s var(--as-ease), opacity .3s var(--as-ease);
    opacity: 0;
  }

  .page-about .about-tl__notecard {
    margin-top: 0;
    padding-top: 0;
    padding-bottom: 0;
    border-left-color: rgba(255, 107, 44, .3);
  }

  .page-about .about-tl__item:hover .about-tl__note,
  .page-about .about-tl__item:focus-within .about-tl__note {
    grid-template-rows: 1fr;
    opacity: 1;
  }

  .page-about .about-tl__item:hover .about-tl__notecard,
  .page-about .about-tl__item:focus-within .about-tl__notecard {
    margin-top: 18px;
    padding-top: 15px;
    padding-bottom: 15px;
    border-left-color: var(--as-orange);
  }

  .page-about .about-belt__item {
    flex: 1 1 0;
  }

  .page-about .about-belt__item:nth-child(1) { flex-grow: 1.5; }
  .page-about .about-belt__item:nth-child(2) { flex-grow: 1; }
  .page-about .about-belt__item:nth-child(3) { flex-grow: 1.3; }
  .page-about .about-belt__item:nth-child(4) { flex-grow: .95; }
  .page-about .about-belt__item:nth-child(5) { flex-grow: 1.7; }

  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 48px;
  }
}

@media (min-width: 1100px) {
  .page-about .about-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-belt__item,
  .page-about .about-next__card,
  .page-about .about-jump a {
    transition: none;
  }
}
<<<END>>>