.page-about {
  --about-note-top: calc(var(--space-8) + var(--space-6));
  --about-gap-lg: calc(var(--space-4) + var(--space-2));
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: calc(var(--space-8) + var(--space-6));
  padding-bottom: var(--space-6);
}

.page-about .breadcrumb {
  margin-bottom: calc(var(--space-6) + var(--space-2));
}

.page-about .about-kicker {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-primary);
}

.page-about .about-title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 20ch;
}

.page-about .about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-about .about-lede {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-about .about-scale {
  margin: calc(var(--space-8) + var(--space-2)) 0 0;
  color: var(--color-primary);
}

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

.page-about .about-scale figcaption {
  margin-top: var(--space-2);
  color: var(--color-ink-muted);
}

.page-about .about-hero-rule {
  margin-top: var(--space-8);
}

/* ---------- 章节骨架 ---------- */
.page-about .about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--about-gap-lg);
}

.page-about .about-index {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-about .about-chapter-body p {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

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

.page-about .about-chapter-body a {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-highlight);
  transition: border-color 180ms ease, color 180ms ease;
}

.page-about .about-chapter-body a:hover {
  border-bottom-color: var(--color-accent);
}

.page-about .about-note {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-about .about-note p {
  margin: var(--space-3) 0 0;
}

.page-about .about-note p:first-child {
  margin-top: 0;
}

/* ---------- 图版 ---------- */
.page-about .about-plate {
  margin: 0;
}

.page-about .about-plate .meta {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-ink-muted);
}

.page-about .media-frame {
  overflow: hidden;
  border-radius: var(--radius-md);
}

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

.page-about .about-figure-wide {
  aspect-ratio: 1020 / 420;
}

.page-about .about-figure-team {
  aspect-ratio: 8 / 5;
}

/* ---------- 时段小表 ---------- */
.page-about .about-hours {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-about .about-hours li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--space-1) / 2);
  padding-block: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-about .about-hours li:first-child {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-about .about-hour-time {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.page-about .about-hour-text {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  line-height: var(--leading-body);
}

/* ---------- 深色分节 ---------- */
.page-about .about-band {
  padding-block: calc(var(--space-8) + var(--space-4));
}

.page-about .about-band .section-title,
.page-about .about-band .about-band-text,
.page-about .about-band .about-node-title,
.page-about .about-band .about-role-name,
.page-about .about-band .about-role-desc,
.page-about .about-band .about-node-note p {
  color: var(--color-contrast-ink);
}

.page-about .about-band .about-index {
  color: var(--color-contrast-accent);
}

.page-about .about-band .meta {
  color: var(--color-contrast-ink);
  opacity: 0.68;
}

.page-about .about-band-head {
  max-width: var(--measure);
}

.page-about .about-band-text {
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  opacity: 0.82;
}

.page-about .about-band .about-plate {
  margin-top: var(--space-6);
}

/* 赛季时间轴 */
.page-about .about-nodes {
  list-style: none;
  position: relative;
  margin: var(--space-6) 0 0;
  padding: 0;
  max-width: var(--measure);
}

.page-about .about-nodes::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: var(--border-thin);
  background: var(--color-contrast-line);
}

.page-about .about-node {
  position: relative;
  padding: var(--space-3) 0 var(--space-3) var(--space-4);
}

.page-about .about-node::before {
  content: "";
  position: absolute;
  box-sizing: border-box;
  top: calc(var(--space-3) + 0.55em);
  left: calc(-0.5 * var(--space-1) + 0.5 * var(--border-thin));
  width: var(--space-1);
  height: var(--space-1);
  border: var(--border-thin) solid var(--color-contrast-accent);
  border-radius: 50%;
  background: var(--color-contrast-surface);
  transition: background-color 200ms ease, border-color 200ms ease;
}

.page-about .about-node:hover::before,
.page-about .about-node:focus-within::before {
  background: var(--color-contrast-accent);
}

.page-about .about-node-title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
}

.page-about .about-node-note {
  display: grid;
  grid-template-rows: 1fr;
  margin-top: var(--space-1);
  transition: grid-template-rows 200ms ease, opacity 200ms ease;
}

.page-about .about-node-note > div {
  overflow: hidden;
  min-height: 0;
}

.page-about .about-node-note p {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  opacity: 0.72;
}

/* 团队 */
.page-about .about-team {
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-about .about-team-head {
  max-width: var(--measure);
}

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

.page-about .about-role {
  padding-block: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-about .about-role:first-child {
  padding-top: 0;
}

.page-about .about-role-name {
  margin: 0 0 var(--space-1);
  font-size: var(--text-base);
  letter-spacing: var(--tracking-heading);
}

.page-about .about-role-desc {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  opacity: 0.74;
}

/* ---------- 收口 ---------- */
.page-about .about-outro-lede {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-about .about-outro-list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-about .about-outro-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding-block: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-about .about-outro-link {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-line);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-about .about-outro-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-about .about-outro-text {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 860px) {
  .page-about .about-hero {
    padding-top: calc(var(--space-8) + var(--space-8));
    padding-bottom: var(--space-8);
  }

  .page-about .about-title {
    font-size: var(--text-4xl);
  }

  .page-about .about-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: end;
    margin-top: var(--space-8);
  }

  .page-about .about-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.8fr) minmax(0, 0.95fr);
    gap: var(--space-6);
  }

  .page-about .about-chapter-head {
    padding-top: var(--space-1);
  }

  .page-about .about-note {
    position: sticky;
    top: var(--about-note-top);
    align-self: start;
  }

  .page-about .about-hours li {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
  }

  .page-about .about-team {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-about .about-team-head {
    grid-column: 1 / -1;
  }

  .page-about .about-team .about-plate {
    margin: 0;
  }

  .page-about .about-outro-list li {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.9fr);
    gap: var(--space-6);
    align-items: baseline;
  }
}

@media (min-width: 860px) and (hover: hover) {
  .page-about .about-node-note {
    grid-template-rows: 0fr;
    opacity: 0.999;
  }

  .page-about .about-node:hover .about-node-note,
  .page-about .about-node:focus-within .about-node-note {
    grid-template-rows: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-node-note,
  .page-about .about-node::before,
  .page-about .about-outro-link,
  .page-about .about-chapter-body a {
    transition: none;
  }
}
<<<END>>>