.page-about {
  background: var(--night-blue);
  color: var(--body-ink);
  padding-bottom: 56px;
}

/* ============ 首屏 ============ */
.page-about .about-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 36px;
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(130% 95% at 86% -6%, rgba(198, 242, 78, .1), transparent 62%),
    radial-gradient(90% 70% at 4% 108%, rgba(178, 58, 46, .16), transparent 66%),
    repeating-linear-gradient(90deg, rgba(58, 74, 88, .22) 0 1px, transparent 1px 92px);
}

.page-about .about-hero .content,
.page-about .breadcrumb,
.page-about .title-xl,
.page-about .lede,
.page-about .hero-facts {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-about .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

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

.page-about .breadcrumb__sep {
  color: var(--line);
}

.page-about .eyebrow {
  display: block;
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-about .title-xl {
  margin: 12px 0 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(29px, 8vw, 58px);
  line-height: 1.06;
  letter-spacing: -.015em;
  color: var(--cream);
}

.page-about .lede {
  margin: 18px 0 0;
  max-width: 44ch;
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.85;
  color: var(--soft-ink);
}

.page-about .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-about .hero-fact {
  background: var(--lamp-green-deep);
  padding: 14px 14px 16px;
}

.page-about .hero-fact__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--neon);
}

.page-about .hero-fact__unit {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  color: var(--soft-ink);
}

.page-about .hero-fact__label {
  display: block;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--mist);
}

/* ============ 布局 ============ */
.page-about .about-layout {
  padding-top: 30px;
}

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

/* ============ 赛季刻度轨道 ============ */
.page-about .season-rail {
  margin-bottom: 28px;
}

.page-about .season-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-about .season-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-about .season-rail__list::-webkit-scrollbar {
  display: none;
}

.page-about .season-rail__item {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  background: var(--lamp-green-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
  color: var(--soft-ink);
}

.page-about .season-rail__num {
  color: var(--neon);
  font-weight: 600;
}

/* ============ 画板 ============ */
.page-about .plate {
  position: relative;
  margin-bottom: 20px;
  padding: 22px 16px 26px 22px;
  background: var(--cream);
  color: var(--cream-ink);
  border: 1px solid var(--brown-black);
  box-shadow: var(--shadow-panel);
}

.page-about .plate::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--press-red);
}

.page-about .plate--night {
  background: var(--lamp-green);
  color: var(--body-ink);
  border-color: var(--line);
}

.page-about .plate--night::before {
  background: var(--neon);
}

.page-about .plate__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--cream-line);
}

.page-about .plate--night .plate__head {
  border-bottom-color: var(--line);
}

.page-about .plate__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--press-red);
  text-decoration: none;
  transition: color .18s var(--ease);
}

.page-about .plate__index:hover {
  color: var(--brown-black);
}

.page-about .plate--night .plate__index {
  color: var(--neon);
}

.page-about .plate--night .plate__index:hover {
  color: var(--cream);
}

.page-about .title-lg {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(19px, 5.2vw, 29px);
  line-height: 1.18;
  letter-spacing: -.01em;
  color: var(--cream-ink);
}

.page-about .plate--night .title-lg {
  color: var(--cream);
}

.page-about .title-md {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--cream-ink);
}

.page-about .prose {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.82;
  color: var(--cream-ink);
}

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

.page-about .plate--night .prose {
  color: var(--soft-ink);
}

.page-about .plate__note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--cream-line);
  color: var(--cream-muted);
}

/* ============ 图片 ============ */
.page-about .media {
  margin: 0;
}

.page-about .media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-about .media--slant img {
  clip-path: polygon(0 2.5%, 100% 0, 100% 97.5%, 0 100%);
  border: 0;
}

.page-about .media__caption {
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.65;
  color: var(--cream-muted);
}

.page-about .plate--night .media__caption {
  color: var(--mist);
}

/* ============ 01 我们在做的事 ============ */
.page-about .plate__split {
  display: grid;
  gap: 20px;
}

.page-about .plate__figure img {
  max-height: 320px;
}

/* ============ 02 团队分工 ============ */
.page-about .plate__cols {
  display: grid;
  gap: 14px;
}

.page-about .duty {
  padding: 16px 14px 18px;
  background: rgba(255, 255, 255, .38);
  border: 1px solid var(--cream-line);
  border-top: 3px solid var(--press-red);
}

.page-about .duty__num {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--press-red);
}

.page-about .duty__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--cream-muted);
}

/* ============ 03 流程 ============ */
.page-about .flow {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .flow__step {
  position: relative;
  padding: 0 0 22px 0;
}

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

.page-about .flow__title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  color: var(--cream);
}

.page-about .flow__num {
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  background: var(--neon);
  color: var(--night-blue);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  clip-path: polygon(0 0, 100% 0, 100% 76%, 76% 100%, 0 100%);
  transition: box-shadow .2s var(--ease);
}

.page-about .flow__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--soft-ink);
  transition: color .2s var(--ease);
}

.page-about .flow__step:hover .flow__num {
  box-shadow: 0 0 0 4px rgba(198, 242, 78, .2);
}

.page-about .flow__step:hover .flow__text {
  color: var(--cream);
}

.page-about .flow__figure {
  margin-top: 22px;
}

.page-about .flow__figure img {
  max-height: 300px;
}

/* ============ 04 覆盖赛事 ============ */
.page-about .league-split {
  display: grid;
  gap: 1px;
  margin-top: 4px;
  background: var(--cream-line);
  border: 1px solid var(--cream-line);
}

.page-about .league-col {
  padding: 16px 14px 18px;
  background: var(--cream);
}

.page-about .league-col--focus {
  background: var(--lamp-green-deep);
}

.page-about .league-col__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--press-red);
}

.page-about .league-col--focus .league-col__tag {
  color: var(--neon);
}

.page-about .league-col__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--cream-muted);
}

.page-about .league-col--focus .league-col__text {
  color: var(--soft-ink);
}

/* ============ 05 赛季刻度 ============ */
.page-about .season-track {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .season-track > li {
  border-top: 1px solid var(--cream-line);
}

.page-about .season-track > li:last-child {
  border-bottom: 1px solid var(--cream-line);
}

.page-about .disclosure__trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 14px 2px;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  font: inherit;
  color: var(--cream-ink);
}

.page-about .disclosure__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--press-red);
}

.page-about .season-step__name {
  flex: 0 0 auto;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  color: var(--cream-ink);
}

.page-about .season-step__tag {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 12px;
  color: var(--cream-muted);
}

.page-about .disclosure__mark {
  position: relative;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
}

.page-about .disclosure__mark::before,
.page-about .disclosure__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--press-red);
  transform: translate(-50%, -50%);
}

.page-about .disclosure__mark::before {
  width: 12px;
  height: 1px;
}

.page-about .disclosure__mark::after {
  width: 1px;
  height: 12px;
  transition: transform .2s var(--ease);
}

.page-about .disclosure__trigger[aria-expanded="true"] .disclosure__mark::after {
  transform: translate(-50%, -50%) scaleY(0);
}

.page-about .disclosure__panel {
  padding: 0 2px 16px 30px;
}

.page-about .disclosure__panel p {
  margin: 0;
  padding-left: 10px;
  border-left: 2px solid var(--press-red);
  font-size: 14px;
  line-height: 1.82;
  color: var(--cream-muted);
}

.page-about .season-track__figure {
  margin-top: 24px;
}

.page-about .season-track__figure img {
  max-height: 420px;
  object-position: center top;
}

/* ============ 06 长期做法 ============ */
.page-about .habit-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .habit {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--cream-line);
}

.page-about .habit:first-child {
  border-top: 1px solid var(--cream-line);
}

.page-about .habit__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--press-red);
}

.page-about .habit__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--cream-muted);
}

.page-about .plate__foot {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--cream-line);
}

.page-about .plate__foot p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--cream-muted);
}

.page-about .plate__foot a {
  color: var(--press-red);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .18s var(--ease);
}

.page-about .plate__foot a:hover {
  color: var(--brown-black);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-about .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .plate__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-about .habit {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-about .plate__split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 24px;
    align-items: start;
  }

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

@media (min-width: 900px) {
  .page-about .plate {
    padding: 28px 32px 32px 38px;
    margin-bottom: 24px;
  }

  .page-about .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 26px;
  }

  .page-about .flow__step {
    position: relative;
    padding: 22px 0 0;
    border-top: 1px solid var(--line);
  }

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

  .page-about .flow__step::before {
    content: "";
    position: absolute;
    left: 0;
    top: -4px;
    width: 7px;
    height: 7px;
    background: var(--neon);
  }

  .page-about .flow__figure {
    margin-top: 26px;
  }
}

@media (min-width: 1000px) {
  .page-about .about-layout {
    display: grid;
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    padding-top: 36px;
  }

  .page-about .season-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    margin-bottom: 0;
  }

  .page-about .season-rail__list {
    display: block;
    overflow: visible;
    padding: 4px 0 4px 20px;
    border-left: 1px solid var(--line);
  }

  .page-about .season-rail__item {
    position: relative;
    display: block;
    padding: 0 0 20px;
    border: 0;
    background: transparent;
    font-size: 12px;
    color: var(--soft-ink);
  }

  .page-about .season-rail__item:last-child {
    padding-bottom: 4px;
  }

  .page-about .season-rail__item::before {
    content: "";
    position: absolute;
    left: -24.5px;
    top: 4px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--neon);
    box-shadow: 0 0 0 3px rgba(198, 242, 78, .16);
  }

  .page-about .season-rail__num {
    display: inline-block;
    margin-right: 6px;
    font-size: 11px;
  }
}
<<<END>>>