.page-about {
  background: var(--night);
  color: var(--fog);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-about .breadcrumb {
  padding: 18px 0 0;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 6vw, 56px) 0 clamp(44px, 8vw, 92px);
  border-bottom: var(--edge) solid var(--char);
  background:
    radial-gradient(1100px 520px at 88% -12%, rgba(182, 255, 59, 0.16), transparent 62%),
    radial-gradient(700px 420px at 2% 112%, rgba(84, 230, 200, 0.1), transparent 60%),
    linear-gradient(158deg, var(--moss) 0%, var(--night) 58%, var(--night) 100%);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  right: -20%;
  bottom: -30%;
  width: 96%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--lime), var(--cyan), transparent);
  transform: rotate(-22deg);
  opacity: 0.7;
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-about .about-hero .display-title {
  margin: 12px 0 clamp(18px, 3vw, 26px);
}

.page-about .about-hero .lead {
  max-width: 58ch;
  margin: 0;
  color: var(--fog);
  opacity: 0.86;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-about .about-plate {
  align-self: start;
  border: var(--edge) solid var(--char);
  background: linear-gradient(180deg, var(--slate) 0%, var(--moss) 100%);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3vw, 26px);
}

.page-about .about-plate__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-about .about-plate__list li {
  display: grid;
  grid-template-columns: minmax(58px, auto) 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px dashed rgba(143, 163, 156, 0.35);
}

.page-about .about-plate__list li:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-about .about-plate__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 5vw, 36px);
  line-height: 1;
  color: var(--lime);
}

.page-about .about-plate__txt {
  font-size: 14px;
  line-height: 1.65;
  color: var(--grey);
}

/* ---------- 通用章节头 ---------- */
.page-about .about-sec-head {
  max-width: 76ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-about .about-sec-head .section-title {
  margin: 10px 0 14px;
}

.page-about .about-sec-head .lead {
  margin: 0;
  color: var(--grey);
}

.page-about .label {
  color: var(--cyan);
}

/* ---------- 01 品牌起点 ---------- */
.page-about .about-start {
  padding: clamp(46px, 7vw, 88px) 0;
  border-bottom: var(--edge) solid var(--char);
}

.page-about .about-start__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-about .about-start__text .prose p {
  margin: 0 0 16px;
}

.page-about .about-start__text .prose p:last-of-type {
  margin-bottom: 0;
}

.page-about .about-facts {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-facts li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog);
}

.page-about .about-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 10px;
  height: 10px;
  background: var(--lime);
  border: 2px solid var(--char);
}

/* ---------- 02 赛季沿革 ---------- */
.page-about .about-band {
  padding: clamp(46px, 7vw, 88px) 0;
  border-bottom: var(--edge) solid var(--char);
}

.page-about .about-band--moss {
  background:
    radial-gradient(800px 400px at 100% 0%, rgba(84, 230, 200, 0.08), transparent 65%),
    var(--moss);
}

.page-about .about-band--night {
  background: linear-gradient(180deg, var(--night) 0%, var(--moss) 100%);
}

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

.page-about .season-index {
  border: var(--edge) solid var(--char);
  background: var(--slate);
  box-shadow: var(--shadow-hard-sm);
  padding: 16px;
}

.page-about .season-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .season-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .season-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 2px solid var(--char);
  background: var(--moss);
  color: var(--fog);
  font-size: 13px;
  text-decoration: none;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.page-about .season-index__link .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--lime);
  font-size: 14px;
}

.page-about .season-index__link:hover,
.page-about .season-index__link:focus-visible {
  background: var(--lime);
  color: var(--char);
  border-color: var(--char);
}

.page-about .season-index__link:hover .num,
.page-about .season-index__link:focus-visible .num {
  color: var(--char);
}

.page-about .season-nodes {
  display: grid;
  gap: 0;
}

.page-about .season-node {
  position: relative;
  padding: 0 0 30px clamp(18px, 3vw, 30px);
  border-left: 3px solid var(--slate);
  scroll-margin-top: calc(var(--bar-h) + 28px);
}

.page-about .season-node:last-child {
  padding-bottom: 6px;
}

.page-about .season-node::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 6px;
  width: 15px;
  height: 15px;
  background: var(--slate);
  border: 3px solid var(--char);
}

.page-about .season-node:target {
  border-left-color: var(--lime);
}

.page-about .season-node:target::before {
  background: var(--lime);
}

.page-about .season-node__year {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-about .season-node .sub-title {
  margin: 0 0 8px;
}

.page-about .season-node p {
  margin: 0;
  max-width: 62ch;
  color: var(--grey);
  line-height: 1.8;
  font-size: 15px;
}

/* ---------- 03 数据与内容 ---------- */
.page-about .about-data {
  padding: clamp(46px, 7vw, 88px) 0;
  border-bottom: var(--edge) solid var(--char);
}

.page-about .about-data__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-about .about-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-about .flow-step {
  border-left: 3px solid var(--cyan);
  padding-left: 16px;
}

.page-about .flow-step__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 4px;
}

.page-about .flow-step .sub-title {
  margin: 0 0 6px;
}

.page-about .flow-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey);
}

.page-about .about-stats {
  margin-top: 30px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--char);
  border: var(--edge) solid var(--char);
  box-shadow: var(--shadow-hard-sm);
}

.page-about .about-stat {
  background: var(--slate);
  padding: 16px 14px;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  color: var(--lime);
}

.page-about .about-stat__unit {
  font-size: 0.5em;
  margin-left: 2px;
  color: var(--fog);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--grey);
}

/* ---------- 04 团队 ---------- */
.page-about .team-grid {
  display: grid;
  gap: 16px;
}

.page-about .team-card {
  position: relative;
  border: var(--edge) solid var(--char);
  background: var(--slate);
  box-shadow: var(--shadow-hard-sm);
  padding: 20px;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease), border-color 200ms var(--ease);
}

.page-about .team-card__role {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lime);
}

.page-about .team-card .sub-title {
  margin: 0 0 8px;
  font-size: clamp(20px, 2.4vw, 26px);
}

.page-about .team-card__line {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}

.page-about .team-card__more {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

.page-about .team-card:hover,
.page-about .team-card:focus-within {
  border-color: var(--lime);
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

/* ---------- 05 导航 ---------- */
.page-about .about-nav {
  padding: clamp(46px, 7vw, 88px) 0;
  border-bottom: var(--edge) solid var(--char);
}

.page-about .about-nav__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-about .about-nav__text p {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
  max-width: 68ch;
}

.page-about .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .path-chip {
  border: 2px solid var(--lime);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 6px 12px;
  background: rgba(182, 255, 59, 0.06);
}

.page-about .about-nav__tip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px dashed rgba(143, 163, 156, 0.35);
  color: var(--fog) !important;
  font-size: 14px !important;
}

/* ---------- 06 合作 ---------- */
.page-about .about-partners {
  padding: clamp(46px, 7vw, 88px) 0;
  border-bottom: var(--edge) solid var(--char);
  background: linear-gradient(180deg, var(--moss) 0%, var(--night) 100%);
}

.page-about .partner-grid {
  display: grid;
  gap: 16px;
}

.page-about .partner-card {
  border: var(--edge) solid var(--char);
  border-top: 4px solid var(--slate);
  background: var(--slate);
  box-shadow: var(--shadow-hard-sm);
  padding: 20px;
}

.page-about .partner-card--gold {
  border-top-color: var(--gold);
  background: linear-gradient(180deg, rgba(243, 197, 107, 0.14), var(--slate) 60%);
}

.page-about .partner-card__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
  color: var(--gold);
  margin: 0 0 10px;
}

.page-about .partner-card .sub-title {
  margin: 0 0 8px;
  font-size: clamp(19px, 2.2vw, 24px);
}

.page-about .partner-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey);
}

/* ---------- 07 VIP ---------- */
.page-about .about-vip {
  padding: clamp(46px, 7vw, 88px) 0;
  border-bottom: var(--edge) solid var(--char);
  background:
    radial-gradient(720px 360px at 90% 0%, rgba(243, 197, 107, 0.12), transparent 66%),
    var(--night);
}

.page-about .vip-grid {
  display: grid;
  gap: 16px;
}

.page-about .vip-card {
  border: var(--edge) solid var(--char);
  background: var(--slate);
  box-shadow: var(--shadow-hard-sm);
  padding: 22px;
}

.page-about .vip-card--gold {
  background: linear-gradient(180deg, rgba(243, 197, 107, 0.18), var(--slate) 62%);
  box-shadow: var(--shadow-hard-sm), inset 0 3px 0 var(--gold);
}

.page-about .vip-card .sub-title {
  margin: 14px 0 10px;
  font-size: clamp(19px, 2.2vw, 24px);
}

.page-about .vip-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey);
}

.page-about .about-vip__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 36px);
}

/* ---------- 结尾入口 ---------- */
.page-about .about-next {
  padding: clamp(44px, 7vw, 84px) 0;
  background: var(--moss);
  border-top: 3px solid var(--gold);
}

.page-about .about-next__inner {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-about .about-next .section-title {
  margin: 10px 0 12px;
}

.page-about .about-next__lead {
  margin: 0;
  color: var(--grey);
  font-size: 15px;
}

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

.page-about .about-next__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 16px;
  border: 2px solid var(--char);
  background: var(--night);
  color: var(--fog);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  box-shadow: var(--shadow-hard-sm);
  transition: background 160ms var(--ease), color 160ms var(--ease), transform 160ms var(--ease);
}

.page-about .about-next__link .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--lime);
}

.page-about .about-next__link:hover,
.page-about .about-next__link:focus-visible {
  background: var(--lime);
  color: var(--char);
  transform: translate(-2px, -2px);
}

.page-about .about-next__link:hover .num,
.page-about .about-next__link:focus-visible .num {
  color: var(--char);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-about .about-start__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-data__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-about .about-nav__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

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

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

@media (min-width: 900px) {
  .page-about .about-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
    align-items: end;
  }

  .page-about .about-timeline {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-about .season-index {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-about .season-index__list {
    flex-direction: column;
    gap: 6px;
  }

  .page-about .season-index__link {
    width: 100%;
  }

  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .vip-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-about .team-card__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height 240ms var(--ease), opacity 200ms var(--ease), margin-top 240ms var(--ease);
  }

  .page-about .team-card:hover .team-card__more,
  .page-about .team-card:focus-within .team-card__more {
    max-height: 260px;
    opacity: 1;
    margin-top: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .team-card,
  .page-about .team-card__more,
  .page-about .about-next__link,
  .page-about .season-index__link {
    transition: none;
  }

  .page-about .team-card:hover,
  .page-about .team-card:focus-within,
  .page-about .about-next__link:hover,
  .page-about .about-next__link:focus-visible {
    transform: none;
  }
}

Done.