.page-about {
  --ab-rail: 96px;
  --ab-line: var(--grid);
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

.page-about .ab-shell {
  width: min(100%, var(--maxw));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-about .ab-crumbwrap {
  padding-top: calc(var(--header-h) + 18px);
}

.page-about .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 12px;
  letter-spacing: .08em;
}

.page-about .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  text-transform: uppercase;
}

.page-about .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin: 0 10px;
  color: var(--grid);
}

.page-about .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.page-about .breadcrumb a:hover,
.page-about .breadcrumb a:focus-visible {
  color: var(--signal);
}

.page-about .breadcrumb [aria-current] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-about .ab-hero {
  position: relative;
  padding-block: clamp(30px, 5vw, 74px) clamp(46px, 8vw, 104px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(53, 240, 174, .13), transparent 62%),
    linear-gradient(180deg, transparent, rgba(17, 48, 42, .6));
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(30, 66, 57, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 66, 57, .5) 1px, transparent 1px);
  background-size: 86px 86px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .55), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .55), transparent 88%);
  pointer-events: none;
}

.page-about .ab-hero .ab-shell {
  position: relative;
  z-index: 1;
}

.page-about .ab-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-about .ab-eyebrow {
  margin: 0 0 12px;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-about .ab-flag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--signal);
}

.page-about .ab-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 8.4vw, 92px);
  line-height: 1.03;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .ab-hero .lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.6;
  color: var(--muted);
}

.page-about .ab-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .ab-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 18px 20px;
  background: var(--ink-2);
}

.page-about .ab-hero__stats .stat__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1;
  color: var(--signal);
}

.page-about .ab-hero__stats .stat__label {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 通用区块 ---------- */
.page-about .ab-block {
  padding-block: clamp(48px, 8vw, 108px);
}

.page-about .ab-block--tint {
  background: var(--ink-2);
  border-block: 1px solid var(--grid);
}

.page-about .ab-block--index {
  background: linear-gradient(180deg, var(--indigo-deep) 0%, var(--ink) 76%);
  border-block: 1px solid rgba(108, 99, 255, .3);
}

.page-about .ab-block--partner {
  background:
    radial-gradient(90% 70% at 10% 0%, rgba(53, 240, 174, .1), transparent 65%),
    var(--ink);
  border-top: 1px solid var(--grid);
}

.page-about .ab-head {
  padding-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--grid);
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-about .ab-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(27px, 4.4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.005em;
  color: var(--paper);
}

/* ---------- 宽窄两栏长文 ---------- */
.page-about .ab-prose {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
}

.page-about .ab-prose__wide p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.68;
  color: var(--paper);
}

.page-about .ab-prose__wide .lede {
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.6;
  color: var(--mint);
}

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

.page-about .ab-note {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted);
}

.page-about .ab-note:last-child {
  margin-bottom: 0;
}

/* ---------- 团队配图 ---------- */
.page-about .ab-split {
  display: grid;
  gap: clamp(24px, 3vw, 44px);
}

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

.page-about .ab-figure img,
.page-about .ab-index__fig img,
.page-about .ab-city img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.page-about .ab-figure img {
  border: 1px solid var(--grid);
}

.page-about .ab-figcap {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.55;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-about .ab-split__text p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.68;
  color: var(--paper);
}

.page-about .ab-split__text .lede {
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.6;
  color: var(--mint);
}

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

/* ---------- 流程四步 ---------- */
.page-about .ab-flow {
  list-style: none;
  margin: clamp(28px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .ab-flow__step {
  background: var(--ink);
  padding: 22px 20px 24px;
  outline: none;
  transition: background-color .2s ease, box-shadow .2s ease;
}

.page-about .ab-flow__step:hover {
  background: #163A32;
}

.page-about .ab-flow__step:focus-visible {
  background: #163A32;
  box-shadow: inset 0 0 0 2px var(--signal);
}

.page-about .ab-flow__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--signal);
}

.page-about .ab-flow__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-about .ab-flow__desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.62;
  color: var(--muted);
}

.page-about .ab-flow__out {
  margin: 0;
  padding-top: 11px;
  border-top: 1px dashed var(--grid);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mint);
}

/* ---------- 三层索引 ---------- */
.page-about .ab-index {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-about .ab-index__text p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.68;
  color: var(--paper);
}

.page-about .ab-index__text .lede {
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.6;
  color: var(--mint);
}

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

.page-about .ab-layer {
  list-style: none;
  margin: 26px 0;
  padding: 0;
  border-top: 1px solid var(--grid);
}

.page-about .ab-layer__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--grid);
}

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

.page-about .ab-layer__v {
  font-size: 15px;
  line-height: 1.62;
  color: var(--paper);
}

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

.page-about .ab-index__fig img {
  border: 1px solid rgba(108, 99, 255, .42);
}

/* ---------- 赛季时间轴 ---------- */
.page-about .ab-timeline {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-about .ab-timeline__rail ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-about .ab-timeline__rail ol::-webkit-scrollbar {
  display: none;
}

.page-about .ab-timeline__rail a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  color: var(--muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  white-space: nowrap;
  transition: color .2s ease;
}

.page-about .ab-timeline__rail a:hover,
.page-about .ab-timeline__rail a:focus-visible {
  color: var(--paper);
  outline: none;
}

.page-about .ab-dot {
  width: 10px;
  height: 10px;
  flex: none;
  border-radius: 50%;
  background: var(--ink);
  box-shadow: inset 0 0 0 1px var(--grid);
  transition: background-color .2s ease, box-shadow .2s ease;
}

.page-about .ab-timeline__rail a:hover .ab-dot,
.page-about .ab-timeline__rail a:focus-visible .ab-dot {
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(53, 240, 174, .18);
}

.page-about .ab-era {
  padding: 0 0 clamp(24px, 3.4vw, 38px);
  margin-bottom: clamp(24px, 3.4vw, 38px);
  border-bottom: 1px solid var(--grid);
  scroll-margin-top: calc(var(--header-h) + 32px);
}

.page-about .ab-era:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-about .ab-era__kicker {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--signal);
}

.page-about .ab-era__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.2;
  color: var(--paper);
}

.page-about .ab-era p {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.68;
  color: var(--muted);
}

.page-about .ab-city {
  margin: clamp(34px, 5vw, 60px) 0 0;
}

.page-about .ab-city img {
  border: 1px solid var(--grid);
}

/* ---------- 内容原则 ---------- */
.page-about .ab-block--rules {
  background: linear-gradient(180deg, rgba(122, 31, 61, .22) 0%, var(--ink) 66%);
  border-block: 1px solid rgba(122, 31, 61, .42);
}

.page-about .ab-rules {
  display: grid;
  gap: clamp(20px, 3vw, 30px);
}

.page-about .ab-rule {
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--amber);
}

.page-about .ab-rule__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.24;
  color: var(--paper);
}

.page-about .ab-rule p {
  margin: 0;
  font-size: 16px;
  line-height: 1.68;
  color: var(--muted);
}

/* ---------- 合作 ---------- */
.page-about .ab-partner {
  display: grid;
  gap: clamp(24px, 3.4vw, 44px);
}

.page-about .ab-partner__text p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.68;
  color: var(--paper);
}

.page-about .ab-partner__text .lede {
  font-size: clamp(17px, 1.5vw, 19px);
  line-height: 1.6;
  color: var(--mint);
}

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

.page-about .ab-partner__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 收尾 ---------- */
.page-about .ab-close {
  padding-block: clamp(44px, 7vw, 88px);
  background: var(--ink-2);
  border-top: 1px solid var(--grid);
}

.page-about .ab-close__title {
  margin: 0 0 20px;
  max-width: 26ch;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.14;
  color: var(--paper);
}

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

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

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

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

@media (min-width: 900px) {
  .page-about .ab-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .75fr);
    align-items: end;
  }

  .page-about .ab-prose {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .7fr);
    align-items: start;
  }

  .page-about .ab-prose__side {
    border-left: 1px solid var(--grid);
    padding-left: clamp(18px, 2vw, 28px);
  }

  .page-about .ab-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-about .ab-index {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: start;
  }

  .page-about .ab-partner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .8fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-about .ab-timeline {
    grid-template-columns: var(--ab-rail) minmax(0, 1fr);
  }

  .page-about .ab-timeline__rail {
    position: sticky;
    top: calc(var(--header-h) + 30px);
    align-self: start;
  }

  .page-about .ab-timeline__rail ol {
    position: relative;
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-left: 0;
  }

  .page-about .ab-timeline__rail ol::before {
    content: "";
    position: absolute;
    left: 4.5px;
    top: 14px;
    bottom: 14px;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--grid) 14%, var(--grid) 86%, transparent);
  }

  .page-about .ab-timeline__rail a {
    position: relative;
    display: flex;
    padding: 9px 0 9px 22px;
  }

  .page-about .ab-timeline__rail .ab-dot {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
  }
}

@media (min-width: 1180px) {
  .page-about .ab-flow {
    grid-template-columns: 1.12fr 1fr .96fr 1.06fr;
  }
}
</｜｜DSML｜｜ parameter>
</｜｜DSML｜｜ invoke>
</｜｜DSML｜｜ calls>