.page-about {
  --about-hair: rgba(247, 244, 236, .16);
  --about-hair-ink: rgba(16, 23, 26, .14);
  --about-cut: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  background: var(--table);
  color: var(--ivory);
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-about .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(18px, 3vw, 28px);
  font-size: var(--fs-note);
  color: rgba(247, 244, 236, .62);
}
.page-about .breadcrumbs__link {
  color: rgba(247, 244, 236, .72);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-about .breadcrumbs__link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.page-about .breadcrumbs__sep { color: rgba(247, 244, 236, .34); }
.page-about .breadcrumbs__current { color: var(--ivory); }

/* ---------- 首屏 ---------- */
.page-about .about-hero { padding-bottom: clamp(30px, 5vw, 58px); }

.page-about .about-hero__frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-bottom-left-radius: var(--r-card);
  border-bottom-right-radius: var(--r-card);
}
.page-about .about-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 43, 36, .2) 0%, rgba(11, 43, 36, .78) 74%, var(--table) 100%);
  pointer-events: none;
}
.page-about .about-hero__frame img {
  display: block;
  width: 100%;
  height: clamp(200px, 33vw, 430px);
  object-fit: cover;
}

.page-about .about-hero__body { padding-top: clamp(24px, 4vw, 46px); }
.page-about .about-hero__grid { row-gap: 26px; align-items: end; }

.page-about .eyebrow {
  margin: 0;
  font-size: var(--fs-note);
  letter-spacing: .16em;
  color: var(--orange);
}

.page-about .about-hero__title {
  margin: 12px 0 0;
  font-size: var(--fs-hero);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: .02em;
  color: var(--ivory);
}
.page-about .about-hero__title::after {
  content: "";
  display: block;
  width: 82px;
  height: 8px;
  margin-top: 22px;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
}

.page-about .about-hero__aside .lede {
  margin: 0;
  padding-left: 18px;
  border-left: 3px solid var(--orange);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: rgba(247, 244, 236, .86);
}

/* ---------- 通用区块头 ---------- */
.page-about .about-head { margin-bottom: clamp(26px, 4vw, 44px); }
.page-about .about-head--wide { display: grid; gap: 24px; }
.page-about .about-head__lede {
  max-width: 62ch;
  margin: 14px 0 0;
  color: rgba(247, 244, 236, .78);
}
.page-about .about-head__note {
  max-width: 60ch;
  margin: 14px 0 0;
  font-size: var(--fs-note);
  line-height: 1.85;
  color: rgba(247, 244, 236, .72);
}

/* ---------- 我们做什么 ---------- */
.page-about .about-what { background: var(--grass); }
.page-about .about-what__grid { row-gap: 30px; }
.page-about .about-what__title { margin: 12px 0 0; }
.page-about .about-what__prose p {
  margin: 0;
  color: rgba(247, 244, 236, .86);
  line-height: 1.85;
}
.page-about .about-what__prose p + p { margin-top: 16px; }

.page-about .about-what__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding: 1px;
  border-radius: 16px;
  background: var(--about-hair);
  overflow: hidden;
}
.page-about .about-what__fact {
  padding: 16px 18px;
  background: rgba(11, 43, 36, .78);
}
.page-about .about-what__fact dt {
  font-size: var(--fs-note);
  letter-spacing: .08em;
  color: rgba(247, 244, 236, .62);
}
.page-about .about-what__fact dd {
  margin: 6px 0 0;
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--ivory);
  font-variant-numeric: tabular-nums;
}
.page-about .about-what__num { color: var(--orange); }

/* ---------- 发展历程时间线 ---------- */
.page-about .about-history { background: var(--table); }

.page-about .about-time {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-about .about-time::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(247, 244, 236, .5) 0%, var(--orange) 58%, var(--cyan) 100%);
}

.page-about .about-time__item {
  position: relative;
  padding-left: 52px;
}
.page-about .about-time__item + .about-time__item { margin-top: 14px; }

.page-about .about-time__node {
  border: 1px solid var(--about-hair);
  border-radius: 14px;
  background: rgba(20, 81, 63, .38);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.page-about .about-time__node[open] {
  border-color: rgba(255, 106, 43, .5);
  background: rgba(20, 81, 63, .72);
}

.page-about .about-time__sum {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}
.page-about .about-time__sum::-webkit-details-marker { display: none; }
.page-about .about-time__era {
  font-size: var(--fs-note);
  letter-spacing: .1em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}
.page-about .about-time__label {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ivory);
}
.page-about .about-time__dot {
  position: absolute;
  left: -43px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ivory);
  box-shadow: 0 0 0 5px rgba(247, 244, 236, .1);
}
.page-about .about-time__item--now .about-time__dot {
  background: var(--orange);
  box-shadow: 0 0 0 5px rgba(255, 106, 43, .2);
}

.page-about .about-time__panel { padding: 0 18px 18px; }
.page-about .about-time__panel p {
  margin: 0;
  font-size: .9688rem;
  line-height: 1.85;
  color: rgba(247, 244, 236, .78);
}

/* ---------- 赛区分布 ---------- */
.page-about .about-zones-band { background: var(--grass); }

.page-about .about-zones__map {
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(169, 198, 240, .22);
}
.page-about .about-zones__map img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-about .about-zones__map .media-frame__cap {
  padding: 10px 14px;
  font-size: var(--fs-note);
  color: rgba(247, 244, 236, .7);
  background: rgba(11, 43, 36, .7);
}

.page-about .about-zones {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.page-about .about-zone {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 126px;
  padding: 14px 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(169, 198, 240, .26);
  background: linear-gradient(155deg, rgba(31, 90, 191, .92) 0%, rgba(31, 90, 191, .5) 56%, rgba(20, 81, 63, .68) 100%);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}
.page-about .about-zone:hover {
  transform: translateY(-3px);
  border-color: rgba(169, 198, 240, .72);
}
.page-about .about-zone__abbr {
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--ivory);
}
.page-about .about-zone__city {
  font-size: var(--fs-note);
  letter-spacing: .1em;
  color: var(--blue-soft);
}
.page-about .about-zone__pop {
  margin-top: auto;
  font-size: var(--fs-note);
  line-height: 1.65;
  color: rgba(247, 244, 236, .7);
  transition: color .2s var(--ease);
}
.page-about .about-zone:hover .about-zone__pop { color: var(--ivory); }

/* ---------- 季票与球迷组织 ---------- */
.page-about .about-pass {
  background: var(--ivory);
  color: var(--ink);
}
.page-about .about-pass .eyebrow { color: var(--blue); }
.page-about .about-pass .sec-title { color: var(--ink); }
.page-about .about-pass__lede {
  margin: 14px 0 0;
  max-width: 60ch;
  color: rgba(16, 23, 26, .78);
  line-height: 1.85;
}
.page-about .about-pass__grid { display: grid; gap: clamp(26px, 4vw, 52px); }
.page-about .about-pass__media {
  margin: 0;
  border-radius: 18px;
  overflow: hidden;
  align-self: start;
}
.page-about .about-pass__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .about-passes {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-about .about-pass__card {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--about-hair-ink);
  background: rgba(16, 23, 26, .05);
  transition: background .22s var(--ease), transform .22s var(--ease);
}
.page-about .about-pass__card:hover {
  transform: translateY(-3px);
  background: rgba(31, 90, 191, .09);
}
.page-about .about-pass__spec {
  margin: 0;
  font-size: var(--fs-note);
  letter-spacing: .12em;
  color: var(--blue);
  font-variant-numeric: tabular-nums;
}
.page-about .about-pass__name {
  margin: 8px 0 0;
  font-size: var(--fs-h3);
  font-weight: 800;
  color: var(--ink);
}
.page-about .about-pass__text {
  margin: 10px 0 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(16, 23, 26, .74);
}

.page-about .about-pass__note {
  margin: clamp(24px, 3vw, 34px) 0 0;
  padding: 18px 20px;
  border-left: 4px solid var(--orange);
  border-radius: 0 14px 14px 0;
  background: rgba(255, 106, 43, .09);
  font-size: .9688rem;
  line-height: 1.85;
  color: rgba(16, 23, 26, .84);
}

/* ---------- 团队构成 ---------- */
.page-about .about-team-band { background: var(--table); }

.page-about .about-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-about .about-team__cell {
  position: relative;
  padding: 22px 20px 20px;
  border: 1px solid var(--about-hair);
  background: linear-gradient(160deg, rgba(20, 81, 63, .88) 0%, rgba(11, 43, 36, .94) 100%);
  clip-path: var(--about-cut);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}
.page-about .about-team__cell:hover {
  transform: translateY(-4px);
  border-color: rgba(53, 224, 200, .45);
}
.page-about .about-team__idx {
  display: block;
  font-size: var(--fs-note);
  letter-spacing: .18em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}
.page-about .about-team__name {
  margin: 10px 0 0;
  font-size: var(--fs-h3);
  font-weight: 800;
  color: var(--ivory);
}
.page-about .about-team__desc {
  margin: 10px 0 0;
  font-size: .9375rem;
  line-height: 1.82;
  color: rgba(247, 244, 236, .76);
}
.page-about .about-team__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
}
.page-about .about-team__tags li {
  padding: 4px 12px;
  border-radius: var(--r-chip);
  border: 1px solid rgba(53, 224, 200, .28);
  background: rgba(53, 224, 200, .1);
  font-size: var(--fs-note);
  color: var(--cyan);
  transition: background .2s var(--ease);
}
.page-about .about-team__cell:hover .about-team__tags li { background: rgba(53, 224, 200, .2); }

/* ---------- 合作与沉淀 ---------- */
.page-about .about-partner { background: var(--grass); }

.page-about .about-partner__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-about .about-partner__col {
  padding: 24px 22px;
  border-radius: 18px;
  border: 1px solid var(--about-hair);
  border-top: 3px solid var(--orange);
  background: rgba(11, 43, 36, .62);
}
.page-about .about-partner__col:nth-child(2) { border-top-color: var(--cyan); }
.page-about .about-partner__col:nth-child(3) { border-top-color: var(--blue-soft); }

.page-about .about-partner__num {
  margin: 0;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 900;
  line-height: 1;
  color: var(--ivory);
  font-variant-numeric: tabular-nums;
}
.page-about .about-partner__unit {
  display: block;
  margin-top: 10px;
  font-size: .9375rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--orange);
}
.page-about .about-partner__col:nth-child(2) .about-partner__unit { color: var(--cyan); }
.page-about .about-partner__col:nth-child(3) .about-partner__unit { color: var(--blue-soft); }
.page-about .about-partner__text {
  margin: 12px 0 0;
  font-size: .9375rem;
  line-height: 1.82;
  color: rgba(247, 244, 236, .76);
}
.page-about .about-partner__foot {
  max-width: 80ch;
  margin: clamp(26px, 4vw, 38px) 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--about-hair);
  font-size: .9688rem;
  line-height: 1.85;
  color: rgba(247, 244, 236, .8);
}

/* ---------- 结尾入口 ---------- */
.page-about .about-cta { padding-bottom: clamp(56px, 8vw, 96px); }
.page-about .about-cta__inner {
  display: grid;
  gap: 24px;
  padding: clamp(26px, 4vw, 42px);
  border-radius: 22px;
  border: 1px solid var(--about-hair);
  background: linear-gradient(120deg, rgba(31, 90, 191, .3) 0%, rgba(255, 106, 43, .18) 100%);
}
.page-about .about-cta__lede { margin: 14px 0 0; color: rgba(247, 244, 236, .82); }
.page-about .about-cta__actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-about .about-zones { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-about .about-team { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-about .about-what__facts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 860px) {
  .page-about .about-head--wide {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    align-items: end;
    gap: 44px;
  }
  .page-about .about-pass__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }
  .page-about .about-passes { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-about .about-partner__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.25fr) auto;
    align-items: center;
    gap: 40px;
  }
}

@media (min-width: 1080px) {
  .page-about .about-zones { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-about .about-team { gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-zone,
  .page-about .about-pass__card,
  .page-about .about-team__cell,
  .page-about .about-time__node {
    transition: none;
  }
  .page-about .about-zone:hover,
  .page-about .about-pass__card:hover,
  .page-about .about-team__cell:hover {
    transform: none;
  }
}