.page-about {
  --about-axis: 168px;
  --about-gold-grad: linear-gradient(135deg, var(--gold) 0%, var(--flare) 100%);
}

.page-about .about-crumb-sep {
  padding: 0 .45rem;
  color: var(--sand-deep);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: clamp(2rem, 7vw, 4.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  overflow: hidden;
}

.page-about .about-hero__grid {
  display: grid;
  gap: 2rem;
  margin-top: 1.5rem;
  min-width: 0;
}

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

.page-about .about-hero h1 {
  margin: .5rem 0 1rem;
  font-size: clamp(2.1rem, 7vw, 4.25rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--ink);
}

.page-about .about-hero__lede {
  max-width: 46ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: var(--ink);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  margin-top: 1.75rem;
}

.page-about .about-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  min-width: 0;
}

.page-about .about-hero__stats .stat {
  border: var(--line) solid var(--ink);
  background: var(--warm);
  box-shadow: var(--shadow-hard-sm);
  padding: 1rem .9rem 1.1rem;
  min-width: 0;
}

.page-about .about-hero__stats .stat__value {
  font-size: clamp(1.6rem, 6vw, 2.6rem);
}

.page-about .about-hero__stats .stat__label {
  display: block;
  margin-top: .35rem;
  font-size: var(--fs-small);
  line-height: 1.45;
  color: var(--ink);
  opacity: .78;
}

/* ---------- 通用小标题 ---------- */
.page-about .about-h2 {
  margin: .6rem 0 1rem;
  font-size: var(--fs-h2);
  line-height: 1.18;
  letter-spacing: -.015em;
  font-weight: 900;
}

.page-about .about-lede {
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--ink);
  opacity: .88;
}

.page-about .about-link {
  color: var(--glacier-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 赛季档案 / 年份轴 ---------- */
.page-about .about-archive__head {
  margin-bottom: 2rem;
}

.page-about .about-track {
  display: grid;
  gap: 1.5rem;
  min-width: 0;
}

.page-about .about-track > * {
  min-width: 0;
}

.page-about .about-years {
  display: flex;
  gap: .6rem;
  overflow-x: auto;
  padding-bottom: .5rem;
  scrollbar-width: thin;
}

.page-about .about-years__link {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .03em;
  padding: .55rem .95rem;
  border: 2px solid var(--ink);
  background: var(--warm);
  color: var(--ink);
  text-decoration: none;
  box-shadow: 3px 3px 0 var(--ink);
  transition: background .18s var(--ease), transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-about .about-years__link:hover,
.page-about .about-years__link:focus-visible {
  background: var(--gold);
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--ink);
}

.page-about .about-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.75rem;
  min-width: 0;
}

.page-about .about-node {
  position: relative;
  border: var(--line) solid var(--ink);
  background: var(--warm);
  box-shadow: var(--shadow-hard);
  padding: 1.35rem 1.35rem 1.5rem;
  scroll-margin-top: 6rem;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-about .about-node:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0 var(--ink);
}

.page-about .about-node__no {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 12vw, 3.8rem);
  line-height: .9;
  font-weight: 700;
  letter-spacing: -.03em;
  background: var(--about-gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-about .about-node__no {
    color: var(--gold);
  }
}

.page-about .about-node__kicker {
  margin: .5rem 0 .35rem;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--glacier-deep);
  font-weight: 700;
}

.page-about .about-node__title {
  margin: 0 0 .7rem;
  font-size: var(--fs-h3);
  line-height: 1.3;
  font-weight: 800;
}

.page-about .about-node__text {
  margin: 0 0 1rem;
  font-size: var(--fs-body);
  line-height: 1.78;
  max-width: 60ch;
}

.page-about .about-node__meta {
  margin: 0;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: 700;
  padding: .3rem .7rem;
  border: 2px solid var(--ink);
  background: var(--sand);
  color: var(--ink);
}

/* ---------- 团队 ---------- */
.page-about .about-two-col {
  display: grid;
  gap: 2rem;
  min-width: 0;
}

.page-about .about-two-col > * {
  min-width: 0;
}

.page-about .about-roles {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.page-about .about-role {
  border-left: 5px solid var(--gold);
  padding: .15rem 0 .15rem 1rem;
}

.page-about .about-role__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  line-height: 1;
  font-weight: 700;
  color: var(--ink);
}

.page-about .about-role__name {
  display: block;
  margin-top: .25rem;
  font-weight: 800;
  font-size: 1rem;
}

.page-about .about-role__desc {
  margin: .3rem 0 0;
  font-size: var(--fs-small);
  line-height: 1.65;
  opacity: .82;
}

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

/* ---------- 服务地区 ---------- */
.page-about .about-region__grid {
  display: grid;
  gap: 2rem;
  min-width: 0;
}

.page-about .about-region__grid > * {
  min-width: 0;
}

.page-about .about-region .about-h2 {
  color: var(--warm);
}

.page-about .about-region .eyebrow {
  color: var(--gold);
}

.page-about .about-region__text {
  max-width: 60ch;
  font-size: var(--fs-body);
  line-height: 1.82;
  color: var(--warm);
  opacity: .88;
}

.page-about .about-region__stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--gap);
  margin-top: 2rem;
}

.page-about .about-region__stats .stat {
  border: 2px solid rgba(247, 244, 239, .35);
  padding: .9rem .85rem;
  min-width: 0;
}

.page-about .about-region__stats .stat__value {
  font-size: clamp(1.5rem, 5.5vw, 2.3rem);
}

.page-about .about-region__stats .stat__label {
  display: block;
  margin-top: .3rem;
  font-size: var(--fs-small);
  line-height: 1.45;
  color: var(--warm);
  opacity: .75;
}

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

/* ---------- 主客场方法 ---------- */
.page-about .about-method__head {
  margin-bottom: 2rem;
}

.page-about .about-method__grid {
  display: grid;
  gap: 2rem;
  min-width: 0;
}

.page-about .about-method__grid > * {
  min-width: 0;
}

.page-about .about-duo {
  display: flex;
  border: var(--line) solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
  overflow: hidden;
}

.page-about .about-duo__seg {
  flex: 1 1 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 64px;
  padding: .5rem .6rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  text-align: center;
  color: var(--ink);
}

.page-about .about-duo__seg--home {
  background: var(--gold);
}

.page-about .about-duo__seg--away {
  background: var(--glacier);
}

.page-about .about-method__cap {
  margin: .9rem 0 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  opacity: .82;
}

.page-about .about-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-about .about-point {
  border: 2px solid var(--ink);
  background: var(--warm);
  padding: 1rem 1.1rem;
}

.page-about .about-point__title {
  margin: 0 0 .4rem;
  font-size: 1.02rem;
  font-weight: 800;
}

.page-about .about-point p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  opacity: .84;
}

.page-about .about-method__more {
  margin: 2rem 0 0;
  font-size: var(--fs-small);
  line-height: 1.8;
}

/* ---------- 更新节奏 ---------- */
.page-about .about-rhythm {
  display: grid;
  gap: 2rem;
  min-width: 0;
}

.page-about .about-rhythm > * {
  min-width: 0;
}

.page-about .about-table-wrap {
  margin-top: 1.5rem;
  overflow-x: auto;
  border: var(--line) solid var(--ink);
  background: var(--warm);
  box-shadow: var(--shadow-hard-sm);
}

.page-about .about-table-wrap .data-table {
  width: 100%;
  min-width: 320px;
}

.page-about .about-table-cap {
  caption-side: top;
  text-align: left;
  padding: .85rem 1rem .2rem;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: .05em;
  color: var(--glacier-deep);
  font-weight: 700;
}

.page-about .about-rhythm__side {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-about .about-rhythm__side .media {
  margin: 0;
}

.page-about .about-version {
  border: var(--line) solid var(--ink);
  background: var(--night);
  color: var(--warm);
  box-shadow: var(--shadow-hard-sm);
  padding: 1.15rem 1.1rem 1.25rem;
}

.page-about .about-version__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: .06em;
  color: var(--glacier);
  font-weight: 700;
}

.page-about .about-version__v {
  margin: .35rem 0 .6rem;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  line-height: 1;
  font-weight: 700;
  color: var(--gold);
}

.page-about .about-version__d {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: var(--warm);
  opacity: .82;
}

/* ---------- 合作与认可 ---------- */
.page-about .about-acc {
  margin-top: 1.75rem;
}

.page-about .about-acc .accordion__trigger {
  width: 100%;
  text-align: left;
}

.page-about .about-note {
  margin: 1.75rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  letter-spacing: .02em;
  color: var(--glacier-deep);
  font-weight: 700;
}

/* ---------- 收尾 ---------- */
.page-about .about-cta {
  display: grid;
  gap: 1.5rem;
  border: var(--line) solid var(--ink);
  background: var(--warm);
  box-shadow: var(--shadow-hard);
  padding: clamp(1.4rem, 4vw, 2.5rem);
  min-width: 0;
}

.page-about .about-cta__title {
  margin: .5rem 0 .75rem;
  font-size: clamp(1.4rem, 4.4vw, 2.1rem);
  line-height: 1.22;
  font-weight: 900;
}

.page-about .about-cta__text {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.8;
  opacity: .88;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
    gap: 3rem;
  }

  .page-about .about-hero__stats {
    align-self: end;
  }

  .page-about .about-track {
    grid-template-columns: var(--about-axis) minmax(0, 1fr);
    gap: 2.75rem;
  }

  .page-about .about-years {
    flex-direction: column;
    overflow: visible;
    position: sticky;
    top: 2.5rem;
    align-self: start;
    padding-bottom: 0;
    gap: .75rem;
  }

  .page-about .about-years__link {
    text-align: left;
  }

  .page-about .about-node {
    padding: 1.75rem 2rem 1.9rem;
  }

  .page-about .about-node__title {
    font-size: 1.5rem;
  }

  .page-about .about-two-col {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
  }

  .page-about .about-region__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: center;
  }

  .page-about .about-method__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-about .about-rhythm {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, .9fr);
    gap: 3rem;
    align-items: start;
  }

  .page-about .about-cta {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
    gap: 2.5rem;
  }
}

@media (min-width: 1200px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-node__text {
    font-size: 1.0625rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-node,
  .page-about .about-years__link {
    transition: none;
  }

  .page-about .about-node:hover,
  .page-about .about-years__link:hover {
    transform: none;
  }
}