.page-about {
  --about-idx-width: 200px;
  --about-content-width: 760px;
  --about-grid-line: rgba(30, 70, 58, 0.38);
  background-color: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
}

.page-about img {
  max-width: 100%;
  height: auto;
}

/* ---------- 页首 ---------- */
.page-about .about-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, var(--about-grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--about-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  padding-block: clamp(22px, 4vw, 40px) clamp(32px, 5vw, 60px);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(115% 85% at 82% 0%, rgba(61, 242, 206, 0.16), transparent 62%);
  pointer-events: none;
}

.page-about .about-hero__inner {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-about .breadcrumb__link {
  color: var(--muted);
  text-decoration: none;
}

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

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

.page-about .breadcrumb__here {
  color: var(--white);
}

.page-about .eyebrow {
  display: inline-block;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.16;
  margin: 14px 0 0;
  max-width: 20ch;
}

.page-about .about-hero .lede {
  margin: 18px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
}

.page-about .about-hero__stats {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .about-stat {
  background: var(--turf);
  padding: 16px 18px;
}

.page-about .about-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 3.8vw, 38px);
  line-height: 1.05;
  color: var(--white);
}

.page-about .about-stat__num--warm {
  color: var(--orange);
}

.page-about .about-stat__label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 页首横幅 ---------- */
.page-about .about-banner {
  margin: 0;
  border-bottom: 1px solid var(--line);
  padding-block: clamp(24px, 4vw, 44px);
}

.page-about .about-banner__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.page-about .about-banner__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

/* ---------- 主体两栏 ---------- */
.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
  padding-block: clamp(28px, 5vw, 64px) clamp(40px, 7vw, 96px);
}

.page-about .about-index__label {
  margin: 0 0 12px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-about .about-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  white-space: nowrap;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-about .about-index__link:hover,
.page-about .about-index__link:focus-visible {
  color: var(--white);
  border-color: var(--cyan);
  background: var(--turf);
}

.page-about .about-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-about .about-content {
  min-width: 0;
  max-width: var(--about-content-width);
}

.page-about .chapter {
  padding-block: clamp(28px, 4vw, 48px);
  scroll-margin-top: 96px;
}

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

.page-about .chapter__head {
  display: flex;
  align-items: flex-end;
  gap: clamp(12px, 2vw, 20px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-about .chapter__num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(46px, 8vw, 84px);
  line-height: 0.78;
  color: var(--line);
  transition: color 0.4s var(--ease);
}

.page-about .chapter:target .chapter__num {
  color: var(--cyan);
}

.page-about .chapter__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.35;
  margin: 0 0 4px;
  color: var(--white);
}

.page-about .chapter__body {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.78;
}

.page-about .chapter__body p {
  margin: 0 0 1.1em;
}

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

/* ---------- 场景卡 ---------- */
.page-about .scene-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .scene {
  background: var(--turf);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
}

.page-about .scene h3 {
  margin: 0 0 8px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

.page-about .scene p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 赛事覆盖 ---------- */
.page-about .coverage-grid {
  list-style: none;
  margin: 4px 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .coverage-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px;
  background: linear-gradient(158deg, var(--turf), rgba(19, 48, 40, 0) 78%);
}

.page-about .coverage-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 34px;
  line-height: 1;
  color: var(--cyan);
}

.page-about .coverage-card__title {
  margin: 14px 0 8px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

.page-about .coverage-card__text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 数据章节 ---------- */
.page-about .chapter__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-about .possess {
  margin-top: 24px;
  padding: 18px 20px 20px;
  background: var(--turf);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-about .possess__head,
.page-about .possess__foot {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.page-about .possess__foot {
  margin-top: 10px;
}

.page-about .possess__team {
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-about .possess__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 5vw, 42px);
  line-height: 1;
  color: var(--cyan);
}

.page-about .possess__value--away {
  color: var(--orange);
}

.page-about .possess-bar {
  display: flex;
  height: 12px;
  border-radius: var(--radius-pill);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-about .possess-bar__home {
  background: var(--cyan);
}

.page-about .possess-bar__away {
  background: var(--orange);
}

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

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

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

.page-about .about-figure__cap {
  margin-top: 10px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 团队 ---------- */
.page-about .role-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-about .role {
  background: var(--ink);
  padding: 20px;
}

.page-about .role h3 {
  margin: 12px 0 8px;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
}

.page-about .role p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.page-about .role .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-about .chapter#team > .chapter__body:last-child {
  margin-top: 22px;
}

/* ---------- 赛季时间轴 ---------- */
.page-about .season-track {
  position: relative;
  margin-top: 28px;
  padding-top: 18px;
}

.page-about .season-track__line {
  display: block;
  width: 100%;
  height: 40px;
  color: var(--cyan);
  opacity: 0.65;
}

.page-about .season-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0 0 10px;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .season {
  position: relative;
  flex: 0 0 auto;
  width: 236px;
  padding: 18px 16px;
  background: var(--ink-deep);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-about .season::before {
  content: "";
  position: absolute;
  top: -25px;
  left: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(61, 242, 206, 0.18);
}

.page-about .season .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.08em;
  background: var(--amber);
  color: var(--ink-deep);
}

.page-about .season h3 {
  margin: 12px 0 6px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-about .season p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 访问体验 ---------- */
.page-about .access-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 22px;
}

.page-about .access-card {
  background: var(--turf);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 20px;
}

.page-about .access-card__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 34px);
  line-height: 1;
  color: var(--amber);
}

.page-about .access-card h3 {
  margin: 12px 0 8px;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  color: var(--white);
}

.page-about .access-card p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 延伸入口 ---------- */
.page-about .chapter--next .chapter__head {
  border-bottom-color: var(--cyan);
}

.page-about .next-links {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .next-link {
  display: block;
  height: 100%;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-deep);
  color: var(--white);
  text-decoration: none;
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-about .next-link:hover,
.page-about .next-link:focus-visible {
  border-color: var(--cyan);
  background: var(--turf);
  transform: translateY(-2px);
}

.page-about .next-link__title {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
}

.page-about .next-link__text {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.72;
}

.page-about .next-link__go {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-about .about-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-about .coverage-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .role-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .access-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 880px) {
  .page-about .chapter__split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
  }
}

@media (min-width: 960px) {
  .page-about .about-body {
    grid-template-columns: var(--about-idx-width) minmax(0, 1fr);
    column-gap: clamp(32px, 5vw, 72px);
  }

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

  .page-about .about-index__list {
    flex-direction: column;
    overflow: visible;
  }

  .page-about .about-index__link {
    border-color: transparent;
    border-radius: var(--radius-pill);
    padding: 9px 14px;
  }

  .page-about .season-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .season {
    width: auto;
  }

  .page-about .next-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}