.page-about {
  position: relative;
  overflow: clip;
  padding: 32px 0 72px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.75;
}

.page-about::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 560px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(1100px 300px at 82% 4%, rgba(182, 242, 74, .09), transparent 64%),
    radial-gradient(880px 280px at 6% 0%, rgba(14, 107, 99, .30), transparent 62%);
}

.page-about .about-shell {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

/* —— 左侧赛季刻度索引 —— */
.page-about .about-index {
  min-width: 0;
}

.page-about .about-index__kicker {
  margin: 0 0 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-about .about-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-index__list li {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.page-about .about-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--hair);
  border-radius: var(--pill);
  background: rgba(15, 59, 46, .45);
  color: var(--mist);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: color .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
}

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

.page-about .about-index__num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--teal);
}

.page-about .about-index__link:hover .about-index__num,
.page-about .about-index__link:focus-visible .about-index__num {
  color: var(--lime);
}

/* —— 内容流 —— */
.page-about .about-flow {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.page-about .about-hero {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 4px;
}

.page-about .about-hero__title {
  margin: 0;
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--paper);
  max-width: 18ch;
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--mist);
  font-size: 16px;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 16px;
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, rgba(20, 82, 62, .55), rgba(11, 15, 13, .2));
}

.page-about .about-hero__num {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(26px, 5.4vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--flare);
}

.page-about .about-hero__key {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* —— 草皮过渡带（斜切） —— */
.page-about .pitch-band {
  height: 34px;
  background:
    repeating-linear-gradient(90deg,
      var(--deep) 0 34px,
      #0d4634 34px 68px);
  clip-path: polygon(0 0, 100% 30%, 100% 100%, 0 70%);
  opacity: .75;
}

/* —— 通用区块 —— */
.page-about .about-block {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.page-about .about-block__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 64ch;
}

.page-about .about-h2 {
  margin: 0;
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(24px, 4.6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-about .about-block--compact .about-h2 {
  font-size: clamp(22px, 3.6vw, 34px);
}

.page-about .about-block__head .lede {
  margin: 0;
  color: var(--mist);
}

.page-about .about-block .prose p {
  margin: 0 0 16px;
  color: var(--paper);
}

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

/* —— 左右错位分栏 —— */
.page-about .about-split {
  display: grid;
  gap: 26px;
  min-width: 0;
}

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

.page-about .about-split__media {
  margin: 0;
  min-width: 0;
}

.page-about .about-split__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-xl);
  object-fit: cover;
  border: 1px solid var(--hair);
}

.page-about .about-split__media .media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* —— 品牌主张 —— */
.page-about .about-claim {
  margin: 4px 0 0;
  padding: 22px 24px;
  border-left: 3px solid var(--lime);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  background: linear-gradient(100deg, rgba(15, 59, 46, .78), rgba(11, 15, 13, .3));
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(18px, 2.6vw, 26px);
  line-height: 1.5;
  color: var(--paper);
}

/* —— 团队 —— */
.page-about .about-team {
  display: grid;
  gap: 26px;
  min-width: 0;
}

.page-about .about-team__chart {
  margin: 0;
  min-width: 0;
}

.page-about .team-ring {
  display: block;
  width: 100%;
  max-width: 300px;
  height: auto;
  margin: 0 auto;
}

.page-about .team-ring__seg {
  transition: opacity .22s var(--ease), stroke-width .22s var(--ease);
}

.page-about .team-ring__num {
  font-family: var(--f-display);
  font-size: 40px;
  font-weight: 700;
  fill: var(--flare);
  letter-spacing: -0.02em;
}

.page-about .team-ring__unit {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: .12em;
  fill: var(--mist);
}

.page-about .about-team__chart .media__cap {
  display: block;
  margin-top: 8px;
  text-align: center;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-about .about-team__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-about .team-card {
  position: relative;
  padding: 20px 22px;
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, rgba(20, 82, 62, .5), rgba(11, 15, 13, .25));
  transition: transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-about .team-card:hover,
.page-about .team-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--lime);
  box-shadow: 0 14px 34px rgba(0, 0, 0, .45), 0 0 0 1px var(--halo);
}

.page-about .team-card__num {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-about .team-card--data .team-card__num {
  color: #35b6ab;
}

.page-about .team-card--doc .team-card__num {
  color: var(--mist);
}

.page-about .team-card__name {
  margin: 6px 0 6px;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .team-card__desc {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.75;
}

/* —— 四阶段分段控件 —— */
.page-about .about-phase-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .phase-card {
  padding: 22px 22px 24px;
  border: 1px solid var(--hair);
  border-radius: var(--r-xl);
  background: linear-gradient(140deg, rgba(15, 59, 46, .6), rgba(11, 15, 13, .3));
}

.page-about .phase-card__tag {
  margin: 0 0 10px;
}

.page-about .phase-card__title {
  margin: 0 0 8px;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: clamp(18px, 2.8vw, 22px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .phase-card__body {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-phase-panels {
  display: grid;
  gap: 14px;
  min-width: 0;
}

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

.page-about .about-phase-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-xl);
  object-fit: cover;
  border: 1px solid var(--hair);
}

.page-about .about-phase-media .media__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* —— 流程链 —— */
.page-about .flow-chain {
  margin: 0;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 1px solid var(--teal);
  min-width: 0;
}

.page-about .flow-node {
  position: relative;
  padding: 0 0 24px 20px;
}

.page-about .flow-node:last-child {
  padding-bottom: 0;
}

.page-about .flow-node::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--lime);
}

.page-about .flow-node__idx {
  display: block;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime);
}

.page-about .flow-node__title {
  margin: 4px 0 4px;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .flow-node__text {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
}

/* —— 发展刻度 —— */
.page-about .about-scale {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .scale-item {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--hair);
}

.page-about .scale-item:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-about .scale-item__year {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(20px, 3.4vw, 30px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--flare);
}

.page-about .scale-item__body {
  min-width: 0;
}

.page-about .scale-item__title {
  margin: 0 0 6px;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .scale-item__body p {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
}

/* —— 规模数字 —— */
.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 18px 18px 20px;
  border-radius: var(--r-lg);
  border: 1px solid transparent;
  background:
    linear-gradient(var(--ink), var(--ink)) padding-box,
    linear-gradient(140deg, rgba(182, 242, 74, .55), rgba(14, 107, 99, .45)) border-box;
  transition: transform .24s var(--ease), box-shadow .24s var(--ease);
}

.page-about .about-stat:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .4);
}

.page-about .about-stat .stat__num {
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(24px, 4.4vw, 34px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-about .about-stat .stat__key {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* —— 合作生态 —— */
.page-about .about-partners {
  gap: 14px;
}

.page-about .about-partner {
  padding: 22px;
  border-radius: var(--r-lg);
}

.page-about .about-partner__title {
  margin: 0 0 8px;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 17px;
  color: var(--lime);
}

.page-about .about-partner__text {
  margin: 0;
  color: var(--mist);
  font-size: 15px;
  line-height: 1.78;
}

.page-about .about-honor {
  padding: 22px 24px;
  border-radius: var(--r-lg);
  background: linear-gradient(115deg, rgba(14, 107, 99, .34), rgba(11, 15, 13, .2));
  border: 1px solid var(--hair);
}

.page-about .about-honor__label {
  margin: 0 0 8px;
}

.page-about .about-honor__text {
  margin: 0;
  color: var(--paper);
  font-size: 15px;
  line-height: 1.8;
}

/* —— 收尾 —— */
.page-about .about-end {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 66ch;
}

.page-about .about-end__text {
  margin: 0;
  color: var(--mist);
}

.page-about .about-end__copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.page-about .about-end__copykey {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-about .about-end__mail {
  font-family: var(--f-mono);
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--lime);
  word-break: break-all;
}

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

.page-about .about-door {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx name"
    "idx desc";
  align-items: center;
  column-gap: 14px;
  padding: 18px 20px;
  border: 1px solid var(--hair);
  border-radius: var(--r-lg);
  background: linear-gradient(140deg, rgba(15, 59, 46, .5), rgba(11, 15, 13, .2));
  text-decoration: none;
  transition: transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease);
}

.page-about .about-door:hover,
.page-about .about-door:focus-visible {
  transform: translateY(-3px);
  border-color: var(--lime);
  box-shadow: 0 16px 34px rgba(0, 0, 0, .48);
}

.page-about .about-door__idx {
  grid-area: idx;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--teal);
}

.page-about .about-door:hover .about-door__idx,
.page-about .about-door:focus-visible .about-door__idx {
  color: var(--lime);
}

.page-about .about-door__name {
  grid-area: name;
  font-family: var(--f-head);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-door__desc {
  grid-area: desc;
  font-size: 14px;
  color: var(--mist);
}

/* —— 平板 —— */
@media (min-width: 720px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: start;
    gap: 34px;
  }

  .page-about .about-split--reverse .about-split__media {
    order: 2;
  }

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

  .page-about .about-team__list {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .page-about .team-card {
    flex: 1 1 220px;
  }

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

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

/* —— 桌面：悬挂刻度索引 + 画册式错位 —— */
@media (min-width: 1080px) {
  .page-about {
    padding: 48px 0 96px;
  }

  .page-about .about-shell {
    grid-template-columns: 172px minmax(0, 1fr);
    column-gap: 60px;
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: calc(var(--bar) + 30px);
    align-self: start;
  }

  .page-about .about-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-index__list li {
    width: 100%;
  }

  .page-about .about-index__link {
    display: flex;
    width: 100%;
    justify-content: flex-start;
    border: 0;
    border-left: 1px solid var(--hair);
    border-radius: 0;
    background: transparent;
    padding: 9px 0 9px 14px;
    color: var(--mist);
  }

  .page-about .about-index__link:hover,
  .page-about .about-index__link:focus-visible {
    border-left-color: var(--lime);
    background: linear-gradient(90deg, var(--halo), transparent 80%);
    color: var(--lime);
  }

  .page-about .about-flow {
    gap: 60px;
  }

  .page-about .about-hero__title {
    max-width: 16ch;
  }

  .page-about .about-block--origin .about-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 52px;
  }

  .page-about .about-team {
    grid-template-columns: 260px minmax(0, 1fr);
    column-gap: 44px;
    align-items: start;
  }

  .page-about .about-team__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-about .team-card {
    flex: 0 0 auto;
  }

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

  .page-about .phase-card {
    padding: 26px 26px 28px;
  }

  .page-about .about-phase-media {
    margin-left: auto;
    width: min(760px, 82%);
  }

  .page-about .flow-chain {
    padding-left: 26px;
  }

  .page-about .flow-node {
    padding-left: 26px;
    padding-bottom: 30px;
  }

  .page-about .flow-node::before {
    left: -31px;
  }

  /* 交错错位：相邻区块左右拉开 */
  .page-about .about-block--compact .about-block__head {
    max-width: 54ch;
  }

  .page-about .about-block--end {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    column-gap: 56px;
    align-items: start;
  }

  .page-about .about-block--end .about-end {
    max-width: none;
  }

  .page-about .about-doors {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .page-about .about-door {
    padding: 16px 18px;
  }
}

@media (min-width: 1320px) {
  .page-about .about-scale {
    padding-right: 8%;
  }

  .page-about .about-stats {
    padding-right: 4%;
  }
}
<<<END>>>