.page-about {
  background: var(--ink-green);
  color: var(--white);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-about .about-crumb {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-about .about-crumb .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-about .about-crumb .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--steel);
}

.page-about .about-crumb .breadcrumb a {
  color: var(--sage);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--steel);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-crumb .breadcrumb a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

.page-about .about-crumb .breadcrumb [aria-current="page"] {
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding: clamp(28px, 5vw, 64px) 0 clamp(48px, 8vw, 96px);
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-about .about-hero__kicker {
  display: inline-block;
  margin: 0;
  padding: 7px 13px;
  border: var(--edge) solid var(--steel);
  background: var(--charcoal);
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-about .about-hero h1 {
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(34px, 7.4vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-about .about-hero .lead {
  margin-top: clamp(18px, 2.6vw, 28px);
  color: var(--white);
  opacity: 0.9;
}

.page-about .about-hero__stats {
  display: grid;
  gap: 0;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--edge) solid var(--steel);
}

.page-about .about-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--steel);
}

.page-about .about-hero__stats .numeric {
  flex: 0 0 auto;
  min-width: 78px;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 34px);
  font-weight: 600;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-about .about-hero__stat-label {
  font-size: 14px;
  color: var(--sage);
}

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

.page-about .about-hero__figure .figure__media {
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-2);
  background: var(--slate);
  aspect-ratio: 4 / 5;
  overflow: hidden;
}

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

/* ---------- 非对称图文对 ---------- */
.page-about .about-split {
  display: grid;
  gap: clamp(26px, 4.4vw, 52px);
}

.page-about .about-origin__text p {
  max-width: 62ch;
  margin: 0 0 16px;
  color: var(--white);
  opacity: 0.88;
}

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

.page-about .about-note {
  align-self: start;
  padding: clamp(20px, 3vw, 30px);
  background: var(--linen);
  color: var(--charcoal);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-2);
}

.page-about .about-note__label {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--clay);
}

.page-about .about-note__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-about .about-note__list li {
  padding-left: 14px;
  border-left: 2px solid var(--clay);
  font-size: 15px;
  line-height: 1.7;
}

.page-about .about-note__list strong {
  display: block;
  font-weight: 700;
  color: var(--ink-green);
}

/* ---------- 球队档案 ---------- */
.page-about .about-squad__head {
  max-width: 68ch;
}

.page-about .about-squad__intro {
  margin: 16px 0 0;
  color: var(--white);
  opacity: 0.88;
}

.page-about .about-squad__body {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  margin-top: clamp(28px, 4.6vw, 52px);
}

.page-about .about-fields {
  display: grid;
  gap: 12px;
}

.page-about .about-field {
  border: var(--edge) solid var(--steel);
  background: var(--charcoal);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-field[open] {
  border-color: var(--amber);
  box-shadow: var(--shadow-1);
}

.page-about .about-field > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-about .about-field > summary::-webkit-details-marker {
  display: none;
}

.page-about .about-field > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--sage);
  transition: color 0.2s ease;
}

.page-about .about-field[open] > summary::after {
  content: "\2212";
  color: var(--orange);
}

.page-about .about-field__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-about .about-field__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(17px, 2.4vw, 21px);
  letter-spacing: 0.01em;
}

.page-about .about-field .accordion-body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--slate);
}

.page-about .about-field .accordion-body p {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--white);
  opacity: 0.86;
}

.page-about .about-squad__figure {
  margin: 0;
  padding: clamp(18px, 3vw, 28px);
  background: var(--slate);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-2);
}

.page-about .about-schema {
  display: block;
  width: 100%;
  height: auto;
  max-width: 460px;
  margin: 0 auto;
}

.page-about .about-schema__box rect {
  fill: none;
  stroke: var(--sage);
  stroke-width: 2;
}

.page-about .about-schema__link path {
  fill: none;
  stroke: var(--steel);
  stroke-width: 2;
}

.page-about .about-schema__text text {
  fill: var(--white);
  font-family: var(--font-body);
  font-size: 13px;
}

.page-about .about-squad__figure .figure__caption {
  margin-top: 18px;
}

.page-about .about-squad__foot {
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--slate);
  max-width: 68ch;
  color: var(--white);
  opacity: 0.86;
}

/* ---------- 编辑小组 ---------- */
.page-about .about-desk__figure {
  margin: 0;
}

.page-about .about-desk__figure .figure__media {
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-2);
  background: var(--slate);
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

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

.page-about .about-desk__text p {
  max-width: 64ch;
  margin: 0 0 16px;
  color: var(--white);
  opacity: 0.88;
}

.page-about .about-desk__pipeline {
  display: grid;
  gap: 12px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .about-desk__pipeline li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 16px;
  border: var(--edge) solid var(--ink);
  background: var(--moss);
  color: var(--white);
  font-size: 14px;
}

.page-about .about-desk__pipeline .numeric {
  flex: 0 0 auto;
  min-width: 44px;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

/* ---------- 时间轴 ---------- */
.page-about .about-timeline-section {
  background: var(--charcoal);
  border-top: var(--edge) solid var(--ink);
  border-bottom: var(--edge) solid var(--ink);
}

.page-about .about-timeline-section__head {
  max-width: 68ch;
}

.page-about .about-timeline-section__intro {
  margin: 16px 0 0;
  color: var(--white);
  opacity: 0.86;
}

.page-about .about-timeline-wrap {
  margin-top: clamp(26px, 4.2vw, 46px);
}

.page-about .about-timeline {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  padding-bottom: 16px;
  scrollbar-color: var(--amber) var(--slate);
  scrollbar-width: thin;
}

.page-about .about-timeline:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
}

.page-about .about-timeline__track {
  display: flex;
  gap: clamp(14px, 2vw, 22px);
  margin: 0;
  padding: 6px 2px 10px;
  list-style: none;
  width: max-content;
}

.page-about .about-timeline__card {
  position: relative;
  flex: 0 0 clamp(250px, 76vw, 322px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: clamp(18px, 2.6vw, 26px);
  background: var(--ink-green);
  border: var(--edge) solid var(--steel);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-about .about-timeline__card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--clay);
}

.page-about .about-timeline__node {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  background: var(--clay);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-1);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.page-about .about-timeline__card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(18px, 2.6vw, 22px);
  line-height: 1.25;
  color: var(--white);
}

.page-about .about-timeline__card > p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--white);
  opacity: 0.82;
}

.page-about .about-timeline__detail {
  margin-top: auto;
  border-top: 1px solid var(--slate);
}

.page-about .about-timeline__detail > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0 4px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-about .about-timeline__detail > summary::-webkit-details-marker {
  display: none;
}

.page-about .about-timeline__detail > summary::after {
  content: "+";
  margin-left: auto;
  font-size: 16px;
  color: var(--sage);
}

.page-about .about-timeline__detail[open] > summary {
  color: var(--orange);
}

.page-about .about-timeline__detail[open] > summary::after {
  content: "\2212";
  color: var(--orange);
}

.page-about .about-timeline__detail .accordion-body ul {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-about .about-timeline__detail .accordion-body li {
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--white);
  opacity: 0.86;
}

.page-about .about-timeline__hint {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sage);
}

/* ---------- 合作生态 ---------- */
.page-about .about-partners__hero {
  margin: 0 0 clamp(28px, 4.6vw, 52px);
}

.page-about .about-partners__hero .figure__media {
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-2);
  background: var(--slate);
  aspect-ratio: 16 / 7;
  overflow: hidden;
}

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

.page-about .about-partners__head {
  max-width: 68ch;
}

.page-about .about-partners__intro {
  margin: 16px 0 0;
  color: var(--white);
  opacity: 0.86;
}

.page-about .about-partners__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.page-about .about-partners__tags a {
  padding: 8px 14px;
  border: var(--edge) solid var(--steel);
  background: var(--charcoal);
  color: var(--linen);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-partners__tags a:hover {
  border-color: var(--orange);
  color: var(--orange);
  box-shadow: var(--shadow-1);
}

.page-about .about-partners__grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 26px);
  margin-top: clamp(26px, 4vw, 44px);
}

.page-about .about-partner {
  padding: clamp(20px, 3vw, 28px);
  background: var(--linen);
  color: var(--charcoal);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-partner:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2), 4px 4px 0 0 var(--clay);
}

.page-about .about-partner__tag {
  margin: 0 0 14px;
  display: inline-block;
  padding: 5px 10px;
  background: var(--clay);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-about .about-partner h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(18px, 2.6vw, 22px);
  line-height: 1.3;
  color: var(--ink-green);
}

.page-about .about-partner p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--charcoal);
}

.page-about .about-partner a {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 2px solid var(--clay);
}

.page-about .about-partner a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

/* ---------- 加入 ---------- */
.page-about .about-join__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(28px, 4.6vw, 52px);
  background: var(--charcoal);
  border: var(--edge) solid var(--ink);
  box-shadow: var(--shadow-2);
}

.page-about .about-join__text p {
  max-width: 66ch;
  margin: 16px 0 0;
  color: var(--white);
  opacity: 0.88;
}

.page-about .about-join__text a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
}

.page-about .about-join__text a:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.page-about .about-join__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  align-content: start;
}

.page-about .about-join__actions .btn {
  text-decoration: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: var(--edge) solid var(--steel);
  }

  .page-about .about-hero__stats li {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 18px 18px 18px 0;
    border-bottom: 0;
    border-right: 1px solid var(--steel);
  }

  .page-about .about-hero__stats li:last-child {
    border-right: 0;
  }

  .page-about .about-hero__stats .numeric {
    min-width: 0;
  }

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

  .page-about .about-desk__pipeline li {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

  .page-about .about-join__inner {
    grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-join__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: clamp(40px, 5vw, 72px);
  }

  .page-about .about-hero__figure {
    margin-top: clamp(12px, 3vw, 40px);
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-split--rev {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.65fr);
    align-items: center;
  }

  .page-about .about-squad__body {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(32px, 4.4vw, 56px);
    align-items: start;
  }

  .page-about .about-squad__figure {
    position: sticky;
    top: 24px;
  }
}
<<<END>>>