.page-about {
  background: var(--c-paper);
  color: var(--c-graphite);
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-about .about-hero {
  position: relative;
  padding-top: calc(var(--header-h) + 56px);
  padding-bottom: 88px;
  background: var(--c-green);
  color: var(--c-paper);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-gold), transparent);
}

.page-about .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 36px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-moss);
}

.page-about .crumbs a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-about .crumbs a:hover {
  color: var(--c-gold-hi);
}

.page-about .about-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 44px;
}

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

.page-about .about-hero h1 {
  margin: 20px 0 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--fs-h1);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--c-paper);
}

.page-about .about-hero__lead {
  margin: 26px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(246, 241, 231, 0.8);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 38px;
}

.page-about .about-hero__actions .link-arrow {
  color: var(--c-gold-hi);
}

.page-about .about-hero__media {
  margin: 0;
  position: relative;
}

/* ============ 通用布局骨架：左侧竖排展签 + 主体 ============ */
.page-about .about-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-about .about-rail {
  display: none;
}

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

/* ============ 年表 ============ */
.page-about .about-timeline {
  padding-top: 88px;
  padding-bottom: 96px;
  background: var(--c-paper);
}

.page-about .about-timeline .section__title {
  color: var(--c-green);
}

.page-about .about-timeline__intro {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-graphite);
}

.page-about .timeline {
  position: relative;
  margin: 56px 0 0;
  padding: 0 0 0 56px;
  list-style: none;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, rgba(217, 138, 46, 0) 0%, var(--c-gold) 6%, var(--c-gold) 94%, rgba(217, 138, 46, 0) 100%);
}

.page-about .tl-item {
  position: relative;
  padding-bottom: 52px;
}

.page-about .tl-item:last-child {
  padding-bottom: 0;
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: -48px;
  top: 7px;
  width: 11px;
  height: 11px;
  box-sizing: border-box;
  border: 1px solid var(--c-slate);
  border-radius: 50%;
  background: var(--c-paper);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .tl-item:hover::before,
.page-about .tl-item:focus-within::before {
  border-color: var(--c-gold-hi);
  background: var(--c-gold);
  transform: scale(1.2);
}

.page-about .tl-no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--c-gold);
}

.page-about .tl-title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.35;
  color: var(--c-green);
}

.page-about .tl-item--major .tl-title {
  font-size: clamp(28px, 3.4vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-about .tl-desc {
  margin: 12px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-graphite);
}

.page-about .tl-note {
  margin: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-slate);
  transition: max-height 0.3s var(--ease), opacity 0.25s var(--ease), margin-top 0.3s var(--ease);
}

.page-about .tl-item:hover .tl-note,
.page-about .tl-item:focus-within .tl-note {
  max-height: 8em;
  opacity: 1;
  margin-top: 12px;
}

/* ============ 团队 ============ */
.page-about .about-team {
  padding-top: 88px;
  padding-bottom: 96px;
  border-top: 1px solid var(--c-mist);
}

.page-about .about-team .section__title {
  color: var(--c-green);
}

.page-about .about-team__lead {
  margin: 22px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
}

.page-about .about-team__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 48px;
}

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

.page-about .about-team__body p {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.85;
}

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

.page-about .about-rolemap {
  margin: 56px 0 0;
  padding-top: 36px;
  border-top: 1px solid var(--c-mist);
}

.page-about .about-rolemap__scroll {
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-rolemap__scroll svg {
  display: block;
  width: 100%;
  min-width: 640px;
  height: auto;
}

.page-about .about-rolemap__cap {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-about .rm-box {
  fill: var(--c-paper);
  stroke: var(--c-mist);
  stroke-width: 1.5;
  transition: stroke 0.2s var(--ease);
}

.page-about .rm-node:hover .rm-box {
  stroke: var(--c-gold);
}

.page-about .rm-node--core .rm-core-box {
  fill: var(--c-green);
  stroke: var(--c-green);
}

.page-about .rm-label {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  fill: var(--c-green);
}

.page-about .rm-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  fill: var(--c-slate);
}

.page-about .rm-core-label {
  font-family: var(--font-heading);
  font-size: 17px;
  font-weight: 700;
  fill: var(--c-paper);
}

.page-about .rm-link {
  fill: none;
  stroke: var(--c-slate);
  stroke-width: 1;
  transition: stroke 0.2s var(--ease), stroke-width 0.2s var(--ease);
}

.page-about .about-rolemap:has(.rm-node--edit:hover) .rm-link--edit,
.page-about .about-rolemap:has(.rm-node--write:hover) .rm-link--write,
.page-about .about-rolemap:has(.rm-node--sub:hover) .rm-link--sub {
  stroke: var(--c-gold);
  stroke-width: 2;
}

/* ============ 教练履历 ============ */
.page-about .about-resume {
  padding-top: 88px;
  padding-bottom: 96px;
  background: var(--c-green-deep);
}

.page-about .about-resume .section__title {
  color: var(--c-paper);
}

.page-about .about-resume .eyebrow {
  color: var(--c-gold-hi);
}

.page-about .about-resume__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin: 44px 0 0;
}

.page-about .about-resume .stat__num {
  color: var(--c-gold-hi);
}

.page-about .about-resume .stat__label {
  color: rgba(246, 241, 231, 0.72);
}

.page-about .about-resume__body {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(246, 241, 231, 0.18);
}

.page-about .about-resume__body p {
  margin: 0 0 20px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(246, 241, 231, 0.86);
}

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

/* ============ 合作共建 ============ */
.page-about .about-partners {
  padding-top: 88px;
  padding-bottom: 96px;
  background: var(--c-paper);
}

.page-about .about-partners .section__title {
  color: var(--c-green);
}

.page-about .about-partners .section__head p {
  margin: 22px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
}

.page-about .about-partners__list {
  margin: 44px 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-partners__list li {
  padding: 30px 0;
  border-top: 1px solid var(--c-mist);
}

.page-about .about-partners__list li:last-child {
  border-bottom: 1px solid var(--c-mist);
}

.page-about .about-partners__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-gold);
}

.page-about .about-partners__list h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-size: 21px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--c-green);
}

.page-about .about-partners__list p:last-child {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
}

.page-about .about-partners__foot {
  margin: 32px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-slate);
}

/* ============ 服务覆盖 ============ */
.page-about .about-reach {
  position: relative;
  padding-top: 96px;
  padding-bottom: 96px;
  background: var(--c-green);
  color: var(--c-paper);
  overflow: hidden;
}

.page-about .about-reach__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-reach__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
}

.page-about .about-reach > .wrap {
  position: relative;
  z-index: 1;
}

.page-about .about-reach .section__title {
  color: var(--c-paper);
}

.page-about .about-reach .eyebrow {
  color: var(--c-gold-hi);
}

.page-about .about-reach__body {
  margin-top: 32px;
}

.page-about .about-reach__body p {
  margin: 0 0 20px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(246, 241, 231, 0.84);
}

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

.page-about .about-reach__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 36px;
}

.page-about .about-reach__actions .link-arrow {
  color: var(--c-gold-hi);
}

/* ============ 结尾引导 ============ */
.page-about .about-cta {
  padding-top: 88px;
  padding-bottom: 96px;
  background: var(--c-paper);
}

.page-about .about-cta__inner {
  padding-top: 40px;
  border-top: 1px solid var(--c-gold);
}

.page-about .about-cta__title {
  margin: 18px 0 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--fs-h2);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-green);
}

.page-about .about-cta__text {
  margin: 22px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 34px;
}

/* ============ 响应式 ============ */
@media (max-width: 760px) {
  .page-about .tl-note {
    max-height: none;
    opacity: 1;
    margin-top: 12px;
  }
}

@media (min-width: 720px) {
  .page-about .about-resume__stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 56px;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding-top: calc(var(--header-h) + 72px);
    padding-bottom: 112px;
  }

  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 64px;
    align-items: end;
  }

  .page-about .about-team__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-about .about-timeline,
  .page-about .about-team,
  .page-about .about-resume,
  .page-about .about-partners,
  .page-about .about-cta {
    padding-top: 112px;
    padding-bottom: 120px;
  }

  .page-about .about-reach {
    padding-top: 128px;
    padding-bottom: 128px;
  }
}

@media (min-width: 1120px) {
  .page-about .about-layout {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 56px;
  }

  .page-about .about-rail {
    display: block;
  }

  .page-about .about-rail__no {
    position: sticky;
    top: 120px;
    display: block;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.3em;
    color: var(--c-slate);
  }

  .page-about .about-resume .about-rail__no,
  .page-about .about-reach .about-rail__no {
    color: var(--c-moss);
  }

  .page-about .timeline {
    padding-left: 64px;
  }

  .page-about .timeline::before {
    left: 16px;
  }

  .page-about .tl-item::before {
    left: -53px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .tl-item::before,
  .page-about .tl-note,
  .page-about .rm-box,
  .page-about .rm-link {
    transition: none;
  }
}
<<<END>>>