.page-about {
  --about-edge: rgba(168, 240, 250, 0.2);
  --about-measure: 68ch;
  display: block;
  padding-bottom: clamp(64px, 10vw, 120px);
}

.page-about .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-about .prose {
  max-width: var(--about-measure);
  min-width: 0;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.8;
}

.page-about .prose p {
  margin: 0 0 1.15em;
}

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

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

.page-about .breadcrumbs {
  padding-top: clamp(18px, 3vw, 28px);
  font-size: 0.8125rem;
}

.page-about .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  color: var(--graphite);
}

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

.page-about .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-about .breadcrumbs a:hover {
  color: var(--cyan);
}

.page-about .breadcrumbs [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */

.page-about .about-hero {
  position: relative;
  padding: clamp(34px, 6vw, 76px) 0 clamp(34px, 5vw, 60px);
  border-bottom: 1px solid var(--divider);
  overflow: hidden;
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: min(680px, 78vw);
  height: min(680px, 78vw);
  background:
    radial-gradient(circle at 62% 38%, rgba(255, 107, 26, 0.2), transparent 60%),
    radial-gradient(circle at 32% 68%, rgba(34, 211, 238, 0.18), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero > * {
  position: relative;
  z-index: 1;
}

.page-about .about-hero__eyebrow {
  margin: 0 0 18px;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-about .about-hero__title {
  margin: 0 0 22px;
  max-width: 20ch;
  font-size: clamp(2rem, 6.4vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-hero__lede {
  margin: 0;
  max-width: var(--about-measure);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-hero__lede .mono {
  color: var(--neon-hi);
  font-weight: 700;
}

.page-about .about-hero__facts {
  list-style: none;
  margin: 38px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 16px;
}

.page-about .about-hero__facts li {
  min-width: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--graphite);
}

.page-about .about-hero__facts .mono {
  display: block;
  margin-bottom: 4px;
  font-size: clamp(1.5rem, 4.4vw, 2.125rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--neon);
}

@media (min-width: 800px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin-top: 46px;
  }

  .page-about .about-hero__facts li {
    padding-left: 22px;
    border-left: 1px solid var(--about-edge);
  }

  .page-about .about-hero__facts li:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

/* ---------- 章节骨架 ---------- */

.page-about .about-chapter {
  display: grid;
  gap: 16px;
  margin-top: clamp(56px, 9vw, 108px);
}

.page-about .about-chapter__index {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.25rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--neon);
  opacity: 0.7;
}

.page-about .about-chapter__body {
  min-width: 0;
  border-left: 1px solid var(--about-edge);
  padding-left: clamp(16px, 3.4vw, 30px);
}

.page-about .about-chapter .section__title {
  margin: 0 0 16px;
  max-width: 22ch;
  font-size: clamp(1.5rem, 3.6vw, 2.25rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .section__lede {
  margin: 0 0 8px;
  max-width: var(--about-measure);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 940px) {
  .page-about .about-chapter {
    grid-template-columns: 106px minmax(0, 1fr);
    column-gap: 0;
    align-items: start;
  }
}

/* ---------- 图文分栏 ---------- */

.page-about .about-split {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

@media (min-width: 900px) {
  .page-about .about-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 44px;
    align-items: start;
  }
}

.page-about .about-figure {
  margin: 0;
  min-width: 0;
}

.page-about .about-figure .media {
  border: 1px solid var(--about-edge);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel-deep);
  box-shadow: var(--stack);
}

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

.page-about .about-figure--wide {
  margin-top: 30px;
}

.page-about .about-figure--wide .media {
  aspect-ratio: 8 / 3;
}

.page-about .about-figure__cap {
  margin: 10px 0 0;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--graphite);
}

/* ---------- 分工卡片 ---------- */

.page-about .about-roles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 26px;
}

@media (min-width: 620px) {
  .page-about .about-roles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-about .about-roles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-about .about-role {
  position: relative;
  min-width: 0;
  padding: 26px 20px 24px;
  background: var(--panel);
  border: 1px solid var(--about-edge);
  border-radius: var(--radius);
  box-shadow: var(--stack);
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease),
    box-shadow 0.28s var(--ease);
}

.page-about .about-role:hover,
.page-about .about-role:focus-within {
  border-color: var(--edge-strong);
  transform: translateY(-2px);
  box-shadow: var(--stack-hover);
}

.page-about .about-role__count {
  position: absolute;
  top: -11px;
  right: 16px;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--neon);
  color: var(--ink);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-about .about-role__name {
  margin: 0 0 10px;
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-role p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--graphite);
}

/* ---------- 赛季时间线 ---------- */

.page-about .about-timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 16px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(246px, 82%);
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--divider) transparent;
}

.page-about .about-timeline > li {
  scroll-snap-align: start;
}

.page-about .about-timeline__node {
  min-width: 0;
  padding: 26px 20px 24px;
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-deep) 100%);
  border: 1px solid var(--about-edge);
  border-radius: var(--radius);
  transition: border-color 0.28s var(--ease), transform 0.28s var(--ease);
}

.page-about .about-timeline__node:hover,
.page-about .about-timeline__node:focus-within {
  border-color: var(--edge-strong);
  transform: translateY(-2px);
}

.page-about .about-timeline__season {
  display: inline-block;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--neon), rgba(34, 211, 238, 0.2)) 1;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-about .about-timeline__node h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-timeline__node p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--graphite);
}

@media (min-width: 1040px) {
  .page-about .about-timeline {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: visible;
    padding-bottom: 0;
  }
}

/* ---------- 流程步骤 ---------- */

.page-about .about-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-about .about-step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-top: 1px solid var(--divider);
}

.page-about .about-step:last-child {
  border-bottom: 1px solid var(--divider);
}

.page-about .about-step__num {
  padding-top: 3px;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--neon);
}

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

.page-about .about-step__body h3 {
  margin: 0 0 7px;
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-step__body p {
  margin: 0;
  max-width: 58ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 760px) {
  .page-about .about-step {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 24px;
    padding: 26px 0;
  }

  .page-about .about-step__num {
    font-size: 1.0625rem;
  }
}

/* ---------- 坐标 ---------- */

.page-about .about-place {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

@media (min-width: 900px) {
  .page-about .about-place {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    gap: 46px;
    align-items: center;
  }
}

.page-about .about-figure--square .media {
  aspect-ratio: 1 / 1;
}

.page-about .about-note {
  margin: 26px 0 0;
  padding: 4px 0 4px 18px;
  border-left: 2px solid var(--cyan);
  max-width: 46ch;
}

.page-about .about-note p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 计划 ---------- */

.page-about .about-plans {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-plans li {
  min-width: 0;
  padding: 22px 20px 22px;
  border-top: 2px solid var(--cyan);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--panel-deep);
}

.page-about .about-plans h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 800;
  color: var(--paper);
}

.page-about .about-plans p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--graphite);
}

@media (min-width: 860px) {
  .page-about .about-plans {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

/* ---------- 结尾入口 ---------- */

.page-about .about-cta {
  margin-top: clamp(58px, 9vw, 110px);
  padding: clamp(30px, 5vw, 54px);
  border: 1px solid var(--about-edge);
  border-radius: var(--radius);
  box-shadow: var(--stack);
  background:
    radial-gradient(120% 150% at 6% 0%, rgba(255, 107, 26, 0.18), transparent 58%),
    radial-gradient(120% 140% at 94% 100%, rgba(34, 211, 238, 0.16), transparent 60%),
    var(--panel-deep);
}

.page-about .about-cta__title {
  margin: 0 0 14px;
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-cta__lede {
  margin: 0 0 26px;
  max-width: 52ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-about .about-cta__actions .btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 420px) {
  .page-about .about-cta__actions {
    flex-direction: column;
  }

  .page-about .about-cta__actions .btn {
    width: 100%;
  }
}

.page-about :focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-role,
  .page-about .about-timeline__node {
    transition: none;
  }

  .page-about .about-role:hover,
  .page-about .about-role:focus-within,
  .page-about .about-timeline__node:hover,
  .page-about .about-timeline__node:focus-within {
    transform: none;
  }
}
<<<END>>>