.page-about {
  background: var(--snow);
  color: var(--body-ink);
  font-family: var(--font-body);
  line-height: 1.75;
  min-width: 0;
}

.page-about h1,
.page-about h2,
.page-about h3 {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0;
  color: inherit;
}

.page-about p {
  margin: 0 0 18px;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  position: relative;
  padding: 18px 0 52px;
  color: var(--snow);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(46, 125, 209, 0.22), transparent 62%),
    linear-gradient(158deg, var(--ink-blue) 0%, var(--deep-green) 100%);
  border-bottom: 1px solid var(--line-dark);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
  opacity: 0.55;
}

.page-about .about-crumb {
  padding: 0;
  margin: 0 0 26px;
  font-size: 0.82rem;
}

.page-about .about-crumb .breadcrumb__link,
.page-about .about-crumb .breadcrumb__item span,
.page-about .about-crumb .breadcrumb__sep {
  color: var(--grid-blue);
}

.page-about .about-hero__grid {
  display: grid;
  gap: 32px;
  min-width: 0;
}

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

.page-about .about-hero__text .eyebrow {
  color: var(--orange-soft);
  letter-spacing: 0.14em;
}

.page-about .about-hero h1 {
  font-size: clamp(1.95rem, 6vw, 3.3rem);
  margin: 14px 0 18px;
  max-width: 16em;
}

.page-about .about-hero__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(244, 247, 250, 0.86);
  max-width: 34em;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 28px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid rgba(244, 247, 250, 0.22);
}

.page-about .about-hero__fact dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grid-blue);
}

.page-about .about-hero__fact dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.02rem;
  color: var(--snow);
}

.page-about .about-hero__fact dd .num {
  color: var(--orange-soft);
  font-weight: 700;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-about .about-hero__actions .btn--outline {
  color: var(--snow);
  border-color: rgba(244, 247, 250, 0.46);
}

.page-about .about-hero__actions .btn--outline:hover {
  border-color: var(--orange);
  color: var(--orange-soft);
}

.page-about .about-hero__media {
  margin: 0;
  border: 1px solid rgba(244, 247, 250, 0.24);
  min-width: 0;
}

.page-about .about-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  max-width: 100%;
}

.page-about .about-hero__media figcaption {
  padding: 10px 12px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grid-blue);
  border-top: 1px solid rgba(244, 247, 250, 0.16);
}

/* ---------- 正文骨架 ---------- */
.page-about .about-body {
  padding: 40px 0 60px;
}

.page-about .about-layout {
  display: grid;
  gap: 32px;
  min-width: 0;
}

.page-about .about-index {
  background: var(--deep-green);
  color: var(--snow);
  border: 1px solid var(--line-dark);
  padding: 16px 16px 18px;
  min-width: 0;
}

.page-about .about-index__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--flag-yellow);
}

.page-about .about-index__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  scrollbar-width: thin;
}

.page-about .about-index__list li {
  flex: 0 0 auto;
}

.page-about .about-index__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  font-size: 0.86rem;
  white-space: nowrap;
  color: rgba(244, 247, 250, 0.9);
  text-decoration: none;
  border: 1px solid rgba(244, 247, 250, 0.22);
  transition: border-color 0.2s var(--ease-out), color 0.2s var(--ease-out);
}

.page-about .about-index__list a .num {
  color: var(--orange-soft);
  font-size: 0.78rem;
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  border-color: var(--orange);
  color: var(--orange-soft);
}

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

/* ---------- 章节 ---------- */
.page-about .about-chapter {
  padding-bottom: 34px;
  margin-bottom: 34px;
  border-bottom: 1px solid var(--line-light);
  scroll-margin-top: 96px;
}

.page-about .about-chapter:last-of-type {
  border-bottom: 0;
}

.page-about .about-chapter__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-about .about-chapter__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange);
  flex: 0 0 auto;
}

.page-about .about-chapter h2 {
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  max-width: 22em;
}

.page-about .about-chapter h3 {
  font-size: 1.05rem;
  margin: 0 0 8px;
}

.page-about .about-chapter p {
  font-size: 0.98rem;
  color: var(--body-soft);
  max-width: 42em;
}

.page-about .about-note {
  margin: 22px 0;
  padding: 6px 0 6px 16px;
  border-left: 3px solid var(--orange);
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--deep-green);
  background: linear-gradient(90deg, rgba(240, 90, 40, 0.08), transparent 70%);
}

.page-about .about-figure {
  margin: 22px 0;
}

.page-about .about-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border: 1px solid var(--line-light);
}

.page-about .about-figure figcaption {
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grid-blue);
}

/* ---------- 关系图 ---------- */
.page-about .about-map-wrap {
  margin: 24px 0 28px;
  padding: 12px;
  background-color: var(--ink-blue);
  background-image:
    linear-gradient(rgba(143, 163, 184, 0.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 163, 184, 0.16) 1px, transparent 1px);
  background-size: 36px 36px;
  border: 1px solid var(--line-dark);
}

.page-about .about-map {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-map__node {
  fill: rgba(46, 125, 209, 0.14);
  stroke: rgba(244, 247, 250, 0.42);
  stroke-width: 1;
}

.page-about .about-map__node--core {
  fill: var(--orange);
  stroke: none;
}

.page-about .about-map__link {
  stroke: var(--grid-blue);
  stroke-width: 1;
  stroke-dasharray: 4 4;
}

.page-about .about-map__label {
  fill: var(--snow);
  font-family: var(--font-body);
  font-size: 15px;
}

.page-about .about-map__label--core {
  fill: var(--ink-blue);
  font-weight: 700;
}

.page-about .about-map__hint {
  fill: var(--grid-blue);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

/* ---------- 标签页 ---------- */
.page-about .about-tabs {
  position: relative;
  border: 1px solid var(--line-light);
  background: #fff;
}

.page-about .about-tabs__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
}

.page-about .about-tabs__nav {
  display: flex;
  overflow-x: auto;
  background: rgba(11, 27, 51, 0.04);
  border-bottom: 1px solid var(--line-light);
  scrollbar-width: thin;
}

.page-about .about-tabs__label {
  flex: 0 0 auto;
  padding: 12px 16px;
  font-size: 0.92rem;
  color: var(--body-soft);
  white-space: nowrap;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.page-about .about-tabs__label:hover {
  color: var(--ink-blue);
}

.page-about #about-tab-1:checked ~ .about-tabs__nav [for="about-tab-1"],
.page-about #about-tab-2:checked ~ .about-tabs__nav [for="about-tab-2"],
.page-about #about-tab-3:checked ~ .about-tabs__nav [for="about-tab-3"],
.page-about #about-tab-4:checked ~ .about-tabs__nav [for="about-tab-4"] {
  color: var(--ink-blue);
  font-weight: 700;
  border-bottom-color: var(--orange);
  background: rgba(240, 90, 40, 0.08);
}

.page-about #about-tab-1:focus-visible ~ .about-tabs__nav [for="about-tab-1"],
.page-about #about-tab-2:focus-visible ~ .about-tabs__nav [for="about-tab-2"],
.page-about #about-tab-3:focus-visible ~ .about-tabs__nav [for="about-tab-3"],
.page-about #about-tab-4:focus-visible ~ .about-tabs__nav [for="about-tab-4"] {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-about .about-tabs__panel {
  display: none;
  padding: 20px 16px 22px;
}

.page-about #about-tab-1:checked ~ .about-tabs__panels > #about-panel-1,
.page-about #about-tab-2:checked ~ .about-tabs__panels > #about-panel-2,
.page-about #about-tab-3:checked ~ .about-tabs__panels > #about-panel-3,
.page-about #about-tab-4:checked ~ .about-tabs__panels > #about-panel-4 {
  display: block;
}

.page-about .about-tabs__panel p {
  margin: 0 0 12px;
  font-size: 0.95rem;
  color: var(--body-soft);
}

.page-about .about-tabs__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-tabs__list li {
  position: relative;
  padding-left: 16px;
  margin: 8px 0;
  font-size: 0.92rem;
  color: var(--body-soft);
}

.page-about .about-tabs__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

/* ---------- 联赛标签图例 ---------- */
.page-about .about-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 20px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-light);
}

.page-about .about-legend li {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--body-soft);
}

.page-about .about-legend__dot {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
}

.page-about .about-legend__dot--blue { background: var(--flag-blue); }
.page-about .about-legend__dot--white { background: var(--snow); border: 1px solid var(--grid-blue); }
.page-about .about-legend__dot--red { background: var(--flag-red); }
.page-about .about-legend__dot--green { background: var(--flag-green); }
.page-about .about-legend__dot--yellow { background: var(--flag-yellow); }

/* ---------- 团队 ---------- */
.page-about .about-team {
  display: grid;
  gap: 24px;
  margin: 22px 0 20px;
}

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

.page-about .about-team__media {
  margin: 0;
  border: 1px solid var(--line-light);
}

.page-about .about-team__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-about .about-team__media figcaption {
  padding: 8px 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--grid-blue);
  border-top: 1px solid var(--line-light);
}

.page-about .about-fold {
  border-top: 1px solid var(--line-light);
}

.page-about .about-fold:last-of-type {
  border-bottom: 1px solid var(--line-light);
}

.page-about .about-fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 2px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--ink-blue);
  cursor: pointer;
  list-style: none;
}

.page-about .about-fold__summary::-webkit-details-marker {
  display: none;
}

.page-about .about-fold__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--orange);
  line-height: 1;
}

.page-about .about-fold[open] .about-fold__summary::after {
  content: "−";
}

.page-about .about-fold__summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-about .about-fold__body {
  padding: 0 2px 14px;
}

.page-about .about-fold__body p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--body-soft);
}

/* ---------- 赛季时间线 ---------- */
.page-about .about-timeline {
  margin: 22px 0 0;
  padding: 0 0 0 22px;
  list-style: none;
  border-left: 1px solid var(--line-light);
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 26px;
}

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

.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--orange);
}

.page-about .about-timeline__item:nth-child(2)::before { background: var(--flag-blue); }
.page-about .about-timeline__item:nth-child(3)::before { background: var(--flag-green); }
.page-about .about-timeline__item:nth-child(4)::before { background: var(--flag-yellow); }
.page-about .about-timeline__item:nth-child(5)::before { background: var(--flag-red); }

.page-about .about-timeline__stage {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grid-blue);
}

.page-about .about-timeline__item p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--body-soft);
}

/* ---------- 价值观 ---------- */
.page-about .about-values {
  display: grid;
  margin: 22px 0 20px;
  border-top: 1px solid var(--line-light);
}

.page-about .about-values__item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-about .about-values__item h3 {
  color: var(--ink-blue);
  letter-spacing: 0.02em;
}

.page-about .about-values__item p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--body-soft);
}

.page-about .about-foot-note {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line-light);
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--grid-blue);
}

/* ---------- 收束入口 ---------- */
.page-about .about-next {
  background: var(--ink-blue);
  color: var(--snow);
  padding: 42px 0 48px;
}

.page-about .about-next h2 {
  font-size: clamp(1.35rem, 4.2vw, 1.9rem);
}

.page-about .about-next__list {
  display: grid;
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  background: rgba(244, 247, 250, 0.2);
  border: 1px solid rgba(244, 247, 250, 0.2);
}

.page-about .about-next__list li {
  background: var(--ink-blue);
  min-width: 0;
}

.page-about .about-next__list a {
  display: block;
  padding: 16px 16px 18px;
  text-decoration: none;
  color: var(--snow);
  transition: background 0.2s var(--ease-out);
}

.page-about .about-next__list a:hover,
.page-about .about-next__list a:focus-visible {
  background: var(--deep-green);
}

.page-about .about-next__list strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.page-about .about-next__list span {
  display: block;
  margin-top: 6px;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--grid-blue);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero {
    padding: 22px 0 64px;
  }

  .page-about .about-hero__lead {
    font-size: 1.06rem;
  }

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

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

  .page-about .about-values__item {
    padding: 24px 20px 24px 0;
    border-bottom: 0;
  }

  .page-about .about-values__item + .about-values__item {
    padding-left: 20px;
    border-left: 1px solid var(--line-light);
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: end;
    gap: 44px;
  }

  .page-about .about-hero__media {
    grid-column: 1;
    grid-row: 1;
  }

  .page-about .about-hero__text {
    grid-column: 2;
    grid-row: 1;
    padding-bottom: 8px;
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
    gap: 32px;
  }
}

@media (min-width: 960px) {
  .page-about .about-body {
    padding: 56px 0 72px;
  }

  .page-about .about-layout {
    grid-template-columns: 210px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: 96px;
    padding: 20px 18px 22px;
  }

  .page-about .about-index__list {
    display: block;
    overflow: visible;
  }

  .page-about .about-index__list li + li {
    margin-top: 8px;
  }

  .page-about .about-index__list a {
    display: flex;
    width: 100%;
    border-color: transparent;
    border-left: 2px solid rgba(244, 247, 250, 0.24);
    padding: 6px 10px;
  }

  .page-about .about-index__list a:hover,
  .page-about .about-index__list a:focus-visible {
    border-left-color: var(--orange);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
    background: rgba(244, 247, 250, 0.06);
  }

  .page-about .about-legend {
    gap: 10px 24px;
  }
}
<<<END>>>