.page-about {
  --about-hair: rgba(143, 166, 178, 0.2);
  --about-hair-strong: rgba(46, 242, 208, 0.32);
  --about-tint: rgba(46, 242, 208, 0.05);
  --about-shadow: 0 18px 40px rgba(4, 26, 21, 0.55);
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏封面 ---------- */
.page-about .about-cover {
  position: relative;
  padding: clamp(26px, 5vw, 56px) 0 clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(43, 42, 110, 0.42) 0%, transparent 58%),
    radial-gradient(90% 80% at 6% 96%, rgba(110, 31, 58, 0.28) 0%, transparent 62%),
    var(--abyss-green);
  isolation: isolate;
}

.page-about .about-cover__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.26;
  pointer-events: none;
}

.page-about .about-cover__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(4, 26, 21, 0.45) 0%, rgba(4, 26, 21, 0.92) 78%, var(--abyss-green) 100%);
}

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

.page-about .about-cover__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-about .about-cover__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 8.4vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.015em;
  color: var(--warm-white);
  margin: 0.32em 0 0;
}

.page-about .about-cover__text {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 46ch;
  font-size: clamp(0.95rem, 1.6vw, 1.06rem);
  line-height: 1.8;
  color: var(--cold-blue-gray);
}

.page-about .about-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-about .about-cover__index {
  align-self: start;
  padding: 18px 18px 16px;
  border: 1px solid var(--about-hair);
  border-left: 2px solid var(--neon-cyan);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(8px);
}

.page-about .about-cover__index-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon-cyan);
  margin: 0 0 12px;
}

.page-about .about-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .about-index-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 4px;
  color: var(--warm-white);
  text-decoration: none;
  font-size: 0.94rem;
  border-bottom: 1px dashed rgba(143, 166, 178, 0.16);
  transition: color 160ms ease, padding-left 160ms ease;
}

.page-about .about-index-list li:last-child a {
  border-bottom: 0;
}

.page-about .about-index-list .num {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cold-blue-gray);
  transition: color 160ms ease;
}

.page-about .about-index-list a:hover,
.page-about .about-index-list a:focus-visible {
  color: var(--signal-orange);
  padding-left: 9px;
}

.page-about .about-index-list a:hover .num,
.page-about .about-index-list a:focus-visible .num {
  color: var(--signal-orange);
}

.page-about .about-cover__index-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--about-hair);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--cold-blue-gray);
}

/* 首屏数据条 */
.page-about .about-figures {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: clamp(14px, 2vw, 20px) 0 0;
  border-top: 1px solid var(--about-hair-strong);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
}

.page-about .about-figures__cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-figures__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1;
  color: var(--warm-white);
}

.page-about .about-figures__cell:nth-child(2) .about-figures__num,
.page-about .about-figures__cell:nth-child(3) .about-figures__num {
  color: var(--neon-cyan);
}

.page-about .about-figures__unit {
  font-size: 0.58em;
  margin-left: 2px;
  color: var(--cold-blue-gray);
}

.page-about .about-figures__label {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--cold-blue-gray);
}

/* ---------- 通用章节骨架 ---------- */
.page-about .about-section {
  padding: clamp(42px, 7vw, 92px) 0;
  border-bottom: 1px solid rgba(143, 166, 178, 0.12);
}

.page-about .about-section--band {
  background: linear-gradient(180deg, rgba(10, 43, 36, 0.72) 0%, rgba(4, 26, 21, 0.2) 100%);
}

.page-about .about-section__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-about .about-h2 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.6rem, 4.2vw, 2.7rem);
  line-height: 1.14;
  letter-spacing: -0.005em;
  color: var(--warm-white);
  margin: 0.5em 0 0;
  max-width: 22ch;
}

.page-about .about-lede {
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--cold-blue-gray);
  max-width: 60ch;
}

.page-about .about-footnote {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--amber);
  background: rgba(255, 200, 87, 0.06);
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--cold-blue-gray);
}

.page-about .about-section__aside {
  display: grid;
  gap: 14px;
  align-content: start;
}

/* ---------- 时间线与刻度尺 ---------- */
.page-about .season-scale {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 22px 0 8px;
}

.page-about .season-scale .tick {
  stroke: rgba(143, 166, 178, 0.34);
  stroke-width: 1;
}

.page-about .season-scale .tick--major {
  stroke: var(--neon-cyan);
  stroke-width: 1.6;
}

.page-about .season-scale .lbl {
  fill: var(--cold-blue-gray);
  font-family: var(--font-mono);
  font-size: 7px;
  letter-spacing: 0.12em;
}

.page-about .timeline {
  list-style: none;
  margin: 18px 0 0;
  padding: 0 0 0 20px;
  border-left: 1px solid var(--about-hair);
  display: grid;
  gap: 12px;
}

.page-about .timeline__item {
  position: relative;
  padding: 16px 16px 18px;
  border: 1px solid var(--about-hair);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(10, 43, 36, 0.9) 0%, rgba(16, 59, 49, 0.62) 100%);
  transition: transform 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

.page-about .timeline__item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 22px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 0 4px rgba(46, 242, 208, 0.12);
}

.page-about .timeline__item:hover {
  transform: translateX(4px);
  border-color: var(--about-hair-strong);
  box-shadow: var(--about-shadow);
}

.page-about .timeline__tag {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal-orange);
}

.page-about .timeline__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.15rem, 2.4vw, 1.4rem);
  line-height: 1.3;
  color: var(--warm-white);
  margin: 8px 0 0;
}

.page-about .timeline__text {
  margin: 10px 0 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--cold-blue-gray);
}

/* 旁注卡 */
.page-about .about-aside-card {
  padding: 18px;
  border: 1px solid var(--about-hair);
  border-left: 2px solid var(--neon-cyan);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-about .about-aside-card--warm {
  border-left-color: var(--signal-orange);
  background: linear-gradient(160deg, rgba(110, 31, 58, 0.5) 0%, rgba(10, 43, 36, 0.9) 100%);
}

.page-about .about-aside-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 5vw, 2.9rem);
  line-height: 1;
  color: var(--neon-cyan);
}

.page-about .about-aside-card__label {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--warm-white);
}

.page-about .about-aside-card__text {
  margin: 10px 0 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--cold-blue-gray);
}

.page-about .about-aside-card .btn {
  margin-top: 14px;
}

/* ---------- 图与编辑流程 ---------- */
.page-about .about-figure {
  margin: 0;
  border: 1px solid var(--about-hair);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

.page-about .about-figure--tall img {
  aspect-ratio: 4 / 3;
}

.page-about .about-figure__caption {
  padding: 10px 14px;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--cold-blue-gray);
  border-top: 1px solid var(--about-hair);
  background: rgba(4, 26, 21, 0.6);
}

.page-about .about-editorial {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-about .steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid rgba(143, 166, 178, 0.14);
}

.page-about .steps__item:last-child {
  border-bottom: 1px solid rgba(143, 166, 178, 0.14);
}

.page-about .steps__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--neon-cyan);
  padding-top: 4px;
}

.page-about .steps__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.1rem;
  line-height: 1.35;
  color: var(--warm-white);
}

.page-about .steps__text {
  margin: 8px 0 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--cold-blue-gray);
}

.page-about .steps__text a {
  color: var(--neon-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .steps__text a:hover {
  color: var(--signal-orange);
}

/* ---------- 赛事覆盖 ---------- */
.page-about .league-classes {
  margin: 24px 0 0;
  display: grid;
  gap: 10px;
}

.page-about .league-class {
  position: relative;
  padding: 14px 16px 16px 46px;
  border: 1px solid var(--about-hair);
  border-radius: var(--radius);
  background: rgba(10, 43, 36, 0.66);
  transition: border-color 180ms ease, background 180ms ease;
}

.page-about .league-class:hover {
  border-color: var(--about-hair-strong);
  background: rgba(16, 59, 49, 0.86);
}

.page-about .league-class__key {
  position: absolute;
  left: 14px;
  top: 15px;
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--signal-orange);
}

.page-about .league-class__name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.08rem;
  color: var(--warm-white);
}

.page-about .league-class__text {
  margin: 7px 0 0;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--cold-blue-gray);
}

/* ---------- 团队矩阵 ---------- */
.page-about .team-matrix {
  margin: 26px 0 0;
  display: grid;
  gap: 12px;
}

.page-about .team-cell {
  position: relative;
  padding: 20px 18px;
  border: 1px solid var(--about-hair);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(10, 43, 36, 0.95) 0%, rgba(4, 26, 21, 0.82) 100%);
  overflow: hidden;
  transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.page-about .team-cell::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--neon-cyan);
  transform: translateY(-100%);
  transition: transform 260ms ease;
}

.page-about .team-cell:hover,
.page-about .team-cell:focus-within {
  transform: translateY(-3px);
  border-color: var(--about-hair-strong);
  box-shadow: var(--about-shadow);
}

.page-about .team-cell:hover::after,
.page-about .team-cell:focus-within::after {
  transform: translateY(0);
}

.page-about .team-cell__count {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
  line-height: 1;
  color: var(--warm-white);
}

.page-about .team-cell__count span {
  font-size: 0.46em;
  margin-left: 3px;
  color: var(--cold-blue-gray);
}

.page-about .team-cell__name {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.12rem;
  color: var(--neon-cyan);
}

.page-about .team-cell__desc {
  margin: 9px 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--cold-blue-gray);
}

.page-about .partner-strip {
  margin-top: 16px;
  padding: 20px;
  border: 1px solid var(--about-hair);
  border-radius: var(--radius);
  background: rgba(43, 42, 110, 0.24);
  display: grid;
  gap: 18px;
}

.page-about .partner-strip__num {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.7rem, 4vw, 2.2rem);
  line-height: 1;
  color: var(--signal-orange);
}

.page-about .partner-strip__label {
  margin: 6px 0 0;
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--warm-white);
}

.page-about .partner-strip__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: var(--cold-blue-gray);
  border-left: 1px solid var(--about-hair-strong);
  padding-left: 16px;
}

/* ---------- 荣誉与下一步 ---------- */
.page-about .honors-grid {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
}

.page-about .honors-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-about .honors-list__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 15px 0;
  border-top: 1px solid rgba(143, 166, 178, 0.16);
}

.page-about .honors-list__item:last-child {
  border-bottom: 1px solid rgba(143, 166, 178, 0.16);
}

.page-about .honors-list__key {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-about .honors-list__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--cold-blue-gray);
}

.page-about .honors-cta {
  padding: 22px 20px;
  border: 1px solid var(--about-hair-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(46, 242, 208, 0.12) 0%, transparent 60%),
    linear-gradient(160deg, rgba(16, 59, 49, 0.95) 0%, rgba(4, 26, 21, 0.92) 100%);
}

.page-about .honors-cta__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--neon-cyan);
}

.page-about .honors-cta__text {
  margin: 12px 0 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--warm-white);
}

.page-about .honors-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-about .about-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .honors-list__item {
    grid-template-columns: minmax(110px, 140px) minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }

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

@media (min-width: 900px) {
  .page-about .about-cover__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: end;
  }

  .page-about .team-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .about-editorial {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-about .about-figure--tall img {
    aspect-ratio: 3 / 4;
  }

  .page-about .honors-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-about .about-cover__index {
    position: sticky;
    top: calc(var(--masthead-h) + 24px);
  }

  .page-about .about-section__aside {
    position: sticky;
    top: calc(var(--masthead-h) + 24px);
  }

  .page-about .timeline {
    padding-left: 24px;
  }

  .page-about .timeline__item::before {
    left: -29px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .timeline__item,
  .page-about .team-cell,
  .page-about .team-cell::after,
  .page-about .about-index-list a,
  .page-about .league-class {
    transition: none;
  }

  .page-about .timeline__item:hover,
  .page-about .team-cell:hover,
  .page-about .team-cell:focus-within {
    transform: none;
  }
}
<<<END>>>