.page-about {
  --about-measure: 36em;
}

/* ---------- 首屏 ---------- */
.page-about .about-hero {
  padding-top: clamp(22px, 4vw, 44px);
}

.page-about .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-about .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--ink-600);
}

.page-about .breadcrumbs__item a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-about .eyebrow {
  margin: clamp(20px, 3vw, 32px) 0 0.7em;
  color: var(--orange);
}

.page-about .about-hero__title {
  margin: 0 0 0.42em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.3rem, 7vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  color: var(--mist);
}

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

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--ink-600);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about .about-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 16px;
  background: var(--ink-800);
}

.page-about .about-hero__facts .mono {
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-about .about-hero__facts li > span:last-child {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--slate);
}

.page-about .about-hero__figure {
  margin: clamp(26px, 4vw, 46px) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-hero__figure img {
  display: block;
  width: 100%;
  height: clamp(190px, 34vw, 430px);
  object-fit: cover;
}

/* ---------- 正文轨道 ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 52px);
  padding-block: clamp(34px, 6vw, 76px);
}

.page-about .about-track {
  display: none;
}

.page-about .about-track__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-600);
}

.page-about .about-track__list {
  margin: 0;
  padding: 0 0 0 14px;
  list-style: none;
  border-left: 1px solid var(--ink-600);
}

.page-about .about-track__link {
  display: block;
  padding: 7px 0;
  font-size: 13px;
  line-height: 1.3;
  text-decoration: none;
  color: var(--slate);
  transition: color 0.2s var(--ease);
}

.page-about .about-track__link .mono {
  display: block;
  margin-bottom: 2px;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ink-600);
}

.page-about .about-track__link:hover,
.page-about .about-track__link:focus-visible {
  color: var(--mist);
}

.page-about .about-track__link--active {
  color: var(--orange);
}

.page-about .about-track__link--active .mono {
  color: var(--orange);
}

/* ---------- 章节 ---------- */
.page-about .about-section {
  position: relative;
  padding-block: clamp(28px, 4.6vw, 54px);
  scroll-margin-top: 92px;
}

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

.page-about .about-section + .about-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: repeating-linear-gradient(
    90deg,
    var(--ink-600) 0 1px,
    transparent 1px 9px
  );
  opacity: 0.85;
}

.page-about .index-label {
  margin: 0 0 12px;
  color: var(--ink-600);
  letter-spacing: 0.14em;
}

.page-about .about-section__title {
  margin: 0 0 0.7em;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 4vw, 2.6rem);
  line-height: 1.08;
  letter-spacing: -0.005em;
  color: var(--mist);
}

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

.page-about .about-prose p {
  margin: 0 0 1.05em;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

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

.page-about .about-prose--lead {
  margin: 0 0 clamp(18px, 3vw, 28px);
  max-width: var(--about-measure);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--slate);
}

/* ---------- 版本时间线 ---------- */
.page-about .tl {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .tl::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(180deg, var(--cyan), var(--ink-600) 72%, transparent);
}

.page-about .tl__item {
  position: relative;
  padding: 0 0 clamp(18px, 2.6vw, 26px) 32px;
}

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--ink-600);
}

.page-about .tl__item--key::before {
  left: -1px;
  top: 4px;
  width: 18px;
  height: 18px;
  background: var(--orange);
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 47, 0.14);
}

.page-about .tl__ver {
  display: inline-block;
  margin-bottom: 4px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-about .tl__item--key .tl__ver {
  color: var(--orange);
}

.page-about .tl__title {
  margin: 0 0 5px;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--mist);
}

.page-about .tl__desc {
  margin: 0;
  max-width: 34em;
  font-size: 0.93rem;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 团队 ---------- */
.page-about .about-team {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 40px);
  align-items: start;
}

.page-about .about-steps {
  margin: 1.3em 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 14px;
}

.page-about .about-steps li {
  position: relative;
  counter-increment: step;
  padding-left: 40px;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-about .about-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  padding: 1px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  background: rgba(255, 122, 47, 0.13);
  border-radius: var(--radius-pill);
}

.page-about .about-team__figure,
.page-about .about-coverage__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.page-about .about-team__figure .figure__figcaption,
.page-about .about-coverage__figure .figure__figcaption {
  padding: 10px 4px 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 专题分类 ---------- */
.page-about .about-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: clamp(18px, 3vw, 28px) 0 clamp(22px, 3.4vw, 32px);
  padding: 0;
  list-style: none;
}

.page-about .about-cats li {
  padding: 18px 20px;
  background: var(--ink-800);
  border-left: 3px solid var(--ink-600);
  border-radius: var(--radius-md);
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-about .about-cats li:hover {
  background: var(--ink-700);
  border-left-color: var(--orange);
  transform: translateY(-3px);
}

.page-about .about-cats__name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.28rem;
  line-height: 1.2;
  color: var(--mist);
}

.page-about .about-cats__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--slate);
}

/* ---------- 赛季节奏 ---------- */
.page-about .about-season {
  display: grid;
  gap: 1px;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--ink-600);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-about .about-season li {
  display: grid;
  gap: 4px;
  padding: 14px 18px;
  background: var(--ink-800);
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-season .mono {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

/* ---------- 数字概览 ---------- */
.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
  list-style: none;
}

.page-about .about-stats__item {
  display: flex;
  flex-direction: column;
  background: var(--ink-800);
  border-radius: var(--radius-md);
  border-bottom: 2px solid transparent;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-about .about-stats__item > .about-stats__num,
.page-about .about-stats__item > .about-stats__cap {
  padding-inline: 14px;
}

.page-about .about-stats__item > .about-stats__num {
  padding-top: 14px;
}

.page-about .about-stats__item > .about-stats__cap {
  padding-bottom: 14px;
}

.page-about .about-stats__link {
  display: flex;
  flex-direction: column;
  padding: 0;
  text-decoration: none;
  color: inherit;
}

.page-about .about-stats__item:has(.about-stats__link):hover {
  background: var(--ink-700);
  border-bottom-color: var(--cyan);
}

.page-about .about-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.5rem, 3.6vw, 2.1rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-about .about-stats__num--lime {
  align-self: flex-start;
  margin: 0 14px 2px;
  padding: 3px 7px;
  color: var(--lime);
  background: rgba(184, 242, 92, 0.1);
  border-radius: 8px;
  font-size: clamp(1.28rem, 3vw, 1.72rem);
}

.page-about .about-stats__cap {
  display: block;
  font-size: 12px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* ---------- 结尾行动区 ---------- */
.page-about .about-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(22px, 3.6vw, 36px);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--ink-800), var(--ink-700));
}

.page-about .about-cta p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-about .about-prose p,
  .page-about .about-prose--lead {
    font-size: 1.0625rem;
  }

  .page-about .about-season li {
    grid-template-columns: 168px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 860px) {
  .page-about .about-team {
    grid-template-columns: minmax(0, 1.28fr) minmax(0, 0.72fr);
  }

  .page-about .about-stats {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-about .about-body {
    grid-template-columns: 156px minmax(0, 1fr);
  }

  .page-about .about-track {
    display: block;
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-about .about-section + .about-section::before {
    right: 4%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-cats li:hover {
    transform: none;
  }

  .page-about .about-cats li,
  .page-about .about-stats__item,
  .page-about .about-track__link,
  .page-about .breadcrumbs__item a {
    transition: background 0.01ms, color 0.01ms, border-color 0.01ms;
  }
}
<<<END>>>