.page-about {
  --about-pad-y: clamp(2.6rem, 7vw, 5rem);
  --about-gap: clamp(1.2rem, 3.6vw, 2.4rem);
  --about-card-pad: clamp(1.15rem, 3vw, 1.6rem);
  color: var(--c-white);
  background: var(--c-deep);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* 面包屑 */
.page-about .breadcrumbs {
  padding-block: 1.4rem 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--c-stone);
}
.page-about .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .breadcrumbs li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--c-slate);
}
.page-about .breadcrumbs a {
  color: var(--c-stone);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}
.page-about .breadcrumbs a:hover,
.page-about .breadcrumbs a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

/* 通用文字元素（页面内） */
.page-about .eyebrow {
  margin: 0;
  color: var(--c-cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.page-about .section-title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.7rem, 5.2vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-white);
  max-width: 22ch;
}
.page-about .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* 首屏 */
.page-about .about-hero {
  padding: clamp(1.6rem, 4.5vw, 2.8rem) 0 clamp(2.4rem, 6vw, 4.2rem);
}
.page-about .about-hero__title {
  margin: 0.7rem 0 clamp(1.4rem, 4vw, 2.4rem);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 10vw, 6rem);
  line-height: 0.97;
  letter-spacing: -0.03em;
  max-width: 15ch;
}
.page-about .about-hero__title-em {
  display: block;
  color: var(--c-cyan);
}
.page-about .about-hero__grid {
  display: grid;
  gap: var(--about-gap);
}
.page-about .about-hero__lead {
  font-size: 1.0625rem;
}
.page-about .about-hero__lead p {
  margin: 0 0 0.95rem;
  color: var(--c-stone);
}
.page-about .about-hero__lead p:first-child {
  color: var(--c-white);
  font-size: clamp(1.05rem, 2.2vw, 1.18rem);
}
.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}
.page-about .about-hero__figure {
  margin: 0;
  border-radius: var(--r-organic);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--c-moss);
}
.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 14 / 9;
}
.page-about .media-caption {
  margin: 0;
  padding: 0.6rem 0.75rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--c-stone);
  background: var(--c-moss);
}

/* 数据条 */
.page-about .about-stats {
  padding-block: clamp(1.5rem, 4vw, 2.4rem);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--c-ink);
}
.page-about .about-stats__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-about .about-stats__list li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-left: 0.85rem;
  border-left: 2px solid var(--c-cyan);
  min-width: 0;
}
.page-about .about-stats__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-cyan);
}
.page-about .about-stats__label {
  font-size: 0.8rem;
  color: var(--c-stone);
  letter-spacing: 0.03em;
}

/* 编辑流程 */
.page-about .about-flow {
  padding-block: var(--about-pad-y);
}
.page-about .about-flow__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: clamp(1.6rem, 4vw, 2.6rem);
}
.page-about .about-flow__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--c-stone);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.35rem;
}
.page-about .about-flow__body {
  display: grid;
  gap: var(--about-gap);
}
.page-about .about-flow__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.2rem;
}
.page-about .about-flow__step {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.9rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
  transition: border-color var(--t-med);
}
.page-about .about-flow__step:hover {
  border-top-color: var(--c-cyan);
}
.page-about .about-flow__step-num {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--c-orange);
  letter-spacing: 0.04em;
}
.page-about .about-flow__step h3,
.page-about .about-team__card h3,
.page-about .about-timeline__body h3,
.page-about .about-flow__callout h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.35;
  color: var(--c-white);
  letter-spacing: 0.01em;
}
.page-about .about-flow__step p,
.page-about .about-team__card p,
.page-about .about-timeline__body p,
.page-about .about-flow__callout p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--c-stone);
}
.page-about .about-flow__aside {
  display: grid;
  gap: 1.1rem;
  align-content: start;
}
.page-about .about-flow__figure {
  margin: 0;
  border-radius: var(--r-organic);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--c-moss);
}
.page-about .about-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 8;
}
.page-about .about-flow__callout {
  padding: var(--about-card-pad);
  background: var(--c-moss);
  border: 1px solid var(--line);
  border-radius: var(--r-organic);
}
.page-about .about-flow__callout .link-underline {
  display: inline-block;
  margin-top: 0.8rem;
  font-size: 0.88rem;
  color: var(--c-cyan);
}

/* 覆盖版图 */
.page-about .about-coverage {
  position: relative;
  padding-block: var(--about-pad-y);
  background: var(--c-moss);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.page-about .about-coverage__bg {
  position: absolute;
  inset: 0;
  opacity: 0.13;
  pointer-events: none;
}
.page-about .about-coverage__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-about .about-coverage .container {
  position: relative;
  z-index: 1;
}
.page-about .about-coverage__intro {
  margin: 0.9rem 0 0;
  max-width: 56ch;
  font-size: 0.96rem;
  color: var(--c-stone);
}

.page-about .about-tabs {
  position: relative;
  margin-top: clamp(1.4rem, 4vw, 2rem);
}
.page-about .about-tabs__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-about .about-tabs__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-about .about-tabs__label {
  display: inline-block;
  padding: 0.5rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--c-stone);
  background: transparent;
  cursor: pointer;
  user-select: none;
  transition: color var(--t-fast), background var(--t-fast), border-color var(--t-fast);
}
.page-about .about-tabs__label:hover {
  color: var(--c-white);
  border-color: var(--c-slate);
}
.page-about #tab-sport:checked ~ .about-tabs__labels .about-tabs__label[for="tab-sport"],
.page-about #tab-league:checked ~ .about-tabs__labels .about-tabs__label[for="tab-league"],
.page-about #tab-zone:checked ~ .about-tabs__labels .about-tabs__label[for="tab-zone"] {
  color: var(--c-ink);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}
.page-about #tab-sport:focus-visible ~ .about-tabs__labels .about-tabs__label[for="tab-sport"],
.page-about #tab-league:focus-visible ~ .about-tabs__labels .about-tabs__label[for="tab-league"],
.page-about #tab-zone:focus-visible ~ .about-tabs__labels .about-tabs__label[for="tab-zone"] {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}
.page-about .about-tabs__panels {
  margin-top: 1.1rem;
}
.page-about .about-tabs__panel {
  display: none;
  padding: var(--about-card-pad);
  background: rgba(6, 16, 12, 0.66);
  border: 1px solid var(--line);
  border-radius: var(--r-organic);
}
.page-about #tab-sport:checked ~ .about-tabs__panels .about-tabs__panel--sport,
.page-about #tab-league:checked ~ .about-tabs__panels .about-tabs__panel--league,
.page-about #tab-zone:checked ~ .about-tabs__panels .about-tabs__panel--zone {
  display: block;
}
.page-about .about-tabs__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0 0 0.9rem;
  padding: 0;
  list-style: none;
}
.page-about .about-tabs__panel p {
  margin: 0;
  max-width: 62ch;
  font-size: 0.95rem;
  color: var(--c-white);
}

.page-about .about-dots {
  display: block;
  width: 100%;
  height: auto;
  margin-top: clamp(1.4rem, 4vw, 2.2rem);
  color: rgba(77, 107, 102, 0.6);
}
.page-about .about-dots__lines path {
  fill: none;
  stroke: var(--c-cyan);
  stroke-width: 1;
  stroke-dasharray: 3 6;
  opacity: 0.6;
}
.page-about .about-dots__marks circle {
  fill: var(--c-orange);
}
.page-about .about-dots__marks circle:nth-child(2n) {
  fill: var(--c-cyan);
}

/* 编辑台与伙伴 */
.page-about .about-team {
  padding-block: var(--about-pad-y);
}
.page-about .about-team__inner {
  display: grid;
  gap: var(--about-gap);
}
.page-about .about-team__intro {
  margin: 0.9rem 0 0;
  font-size: 0.96rem;
  color: var(--c-stone);
  max-width: 40ch;
}
.page-about .about-team__figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-team__figures li {
  padding: 0.85rem 0.9rem;
  background: var(--c-moss);
  border-radius: var(--r-soft);
  border-left: 2px solid var(--c-clay);
}
.page-about .about-team__figures .num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 4.2vw, 2rem);
  line-height: 1;
  color: var(--c-cyan);
}
.page-about .about-team__figures li span:last-child {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.78rem;
  color: var(--c-stone);
}
.page-about .about-team__main {
  align-content: start;
}
.page-about .about-team__card {
  padding: var(--about-card-pad);
  background: var(--c-moss);
  border: 1px solid var(--line);
  border-radius: var(--r-organic);
  transition: border-color var(--t-med), transform var(--t-med);
}
.page-about .about-team__card:hover {
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}
.page-about .about-team__card .link-underline {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.86rem;
  color: var(--c-cyan);
}

/* 里程碑时间轴 */
.page-about .about-timeline {
  padding-block: var(--about-pad-y);
  border-top: 1px solid var(--line);
}
.page-about .about-timeline__track {
  margin: clamp(1.4rem, 4vw, 2.4rem) 0 0;
  padding: 0;
  list-style: none;
}
.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 clamp(1.5rem, 4vw, 2.1rem) 1.6rem;
  border-left: 1px solid var(--line);
  transition: border-color var(--t-med);
}
.page-about .about-timeline__item:last-child {
  padding-bottom: 0;
}
.page-about .about-timeline__item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.5rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-deep);
  border: 1px solid var(--c-slate);
  transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast);
}
.page-about .about-timeline__item:hover {
  border-left-color: var(--c-cyan);
}
.page-about .about-timeline__item:hover::before,
.page-about .about-timeline__item:focus-within::before {
  background: var(--c-cyan);
  border-color: var(--c-cyan);
  transform: scale(1.3);
}
.page-about .about-timeline__year {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 3vw, 1.4rem);
  letter-spacing: 0.06em;
  color: var(--c-orange);
}

/* 收尾入口 */
.page-about .about-cta {
  padding-block: clamp(2rem, 6vw, 3.6rem) clamp(2.8rem, 7vw, 4.5rem);
}
.page-about .about-cta__inner {
  display: grid;
  gap: 1.4rem;
  padding: clamp(1.4rem, 4vw, 2.6rem);
  background: var(--c-moss);
  border: 1px solid var(--line);
  border-radius: var(--r-organic);
}
.page-about .about-cta__text p {
  margin: 0.8rem 0 0;
  max-width: 52ch;
  font-size: 0.95rem;
  color: var(--c-stone);
}
.page-about .about-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-content: start;
}

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

@media (min-width: 860px) {
  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 6.5rem minmax(0, 1fr);
    gap: clamp(1rem, 3vw, 2rem);
    padding-left: 2rem;
  }
  .page-about .about-timeline__year {
    margin: 0;
    padding-top: 0.1rem;
  }
}

@media (min-width: 920px) {
  .page-about .about-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.35fr);
    align-items: end;
  }
  .page-about .about-flow__body {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-about .about-team__inner {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.5fr);
    align-items: start;
  }
  .page-about .about-cta__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-team__card:hover {
    transform: none;
  }
  .page-about .about-timeline__item:hover::before,
  .page-about .about-timeline__item:focus-within::before {
    transform: none;
  }
}
<<<END>>>