.page-home {
  --home-muted: #C9D6CF;
  --home-line: rgba(139, 154, 146, 0.24);
  background:
    radial-gradient(120% 70% at 88% -12%, rgba(43, 228, 192, 0.1), transparent 62%),
    linear-gradient(180deg, var(--pitch-ink) 0%, var(--pitch-ink) 52%, var(--pitch-deep) 100%);
  color: var(--cold-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-home .home-shell {
  padding-block: clamp(16px, 3vw, 30px) clamp(40px, 6vw, 76px);
}

.page-home .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-home .breadcrumb li + li::before {
  content: "—";
  margin-right: 8px;
  color: var(--steel);
}

.page-home .breadcrumb a {
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-home .breadcrumb a:hover,
.page-home .breadcrumb a:focus-visible {
  border-bottom-color: var(--electric);
}

.page-home .eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-home .eyebrow::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 3px;
  background: var(--signal);
}

.page-home h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(34px, 6.4vw, 66px);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--cold-white);
  text-wrap: balance;
}

.page-home h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.06;
  letter-spacing: -0.005em;
  color: var(--cold-white);
  text-wrap: balance;
}

.page-home .copy {
  margin: 0 0 18px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--home-muted);
}

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

.page-home .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: var(--stroke) solid var(--charcoal);
  border-radius: 0;
  background: var(--signal);
  color: var(--pitch-ink);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-decoration: none;
  box-shadow: var(--hard-shadow);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-home .btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 9px 9px 0 var(--charcoal);
}

.page-home .btn:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 3px;
}

.page-home .btn--ghost {
  background: transparent;
  color: var(--cold-white);
  border-color: var(--signal);
  box-shadow: 6px 6px 0 rgba(216, 255, 62, 0.26);
}

.page-home .btn--ghost:hover {
  box-shadow: 9px 9px 0 rgba(216, 255, 62, 0.36);
}

.page-home .link-more {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--electric);
  text-decoration: none;
  border-bottom: 2px solid rgba(43, 228, 192, 0.5);
  padding-bottom: 2px;
}

.page-home .link-more:hover,
.page-home .link-more:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* —— 首屏 —— */
.page-home .hero {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: stretch;
}

.page-home .hero-lede {
  font-size: clamp(15px, 1.5vw, 17px);
  max-width: 48ch;
  margin-bottom: 26px;
}

.page-home .hero-chapters {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--stroke) solid var(--charcoal);
}

.page-home .chapter + .chapter {
  border-top: 1px solid var(--home-line);
}

.page-home .chapter-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 15px 4px;
  color: inherit;
  text-decoration: none;
  border-left: 3px solid transparent;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-home .chapter-link:hover,
.page-home .chapter-link:focus-visible {
  border-left-color: var(--signal);
  background: rgba(216, 255, 62, 0.07);
  transform: translateX(4px);
}

.page-home .chapter-index {
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
}

.page-home .chapter-body {
  display: block;
  min-width: 0;
}

.page-home .chapter-name {
  display: block;
  font-family: var(--font-display);
  font-size: 22px;
  letter-spacing: 0.01em;
}

.page-home .chapter-desc {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

.page-home .hero-foot {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--steel);
}

.page-home .hero-foot a {
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 228, 192, 0.55);
}

.page-home .hero-foot a:hover,
.page-home .hero-foot a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

.page-home .hero-board {
  display: grid;
  grid-template-rows: minmax(170px, 1fr) auto;
  position: relative;
  border: var(--stroke) solid var(--charcoal);
  background: var(--pitch-deep);
  box-shadow: var(--hard-shadow);
  overflow: hidden;
}

.page-home .board-photo {
  position: relative;
  min-height: 170px;
}

.page-home .board-photo img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-home .board-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(7, 19, 14, 0) 34%, rgba(7, 19, 14, 0.94) 100%);
}

.page-home .board-readout {
  padding: 20px 20px 22px;
  border-top: 2px solid var(--signal);
  background: linear-gradient(160deg, rgba(15, 46, 34, 0.96), rgba(7, 19, 14, 0.99));
}

.page-home .board-kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-home .board-note {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .board-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--home-line);
}

.page-home .board-stats div {
  min-width: 0;
}

.page-home .board-stats dt {
  margin-bottom: 4px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-home .board-stats dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--cold-white);
}

.page-home .board-stats .num {
  color: var(--signal);
  font-size: 15px;
}

/* —— 轮次轨道 —— */
.page-home .rounds {
  position: relative;
  margin-top: clamp(46px, 7vw, 92px);
  padding: clamp(26px, 4vw, 44px) clamp(16px, 3vw, 36px) clamp(20px, 3vw, 30px);
  background: var(--pitch-deep);
  border: var(--stroke) solid var(--charcoal);
  box-shadow: var(--hard-shadow);
}

.page-home .rounds::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--signal) 0 18px, transparent 18px 32px);
}

.page-home .rounds-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-bottom: 22px;
}

.page-home .rounds-lede {
  margin-bottom: 14px;
  max-width: 52ch;
}

.page-home .rounds-visual {
  position: relative;
  margin-bottom: 20px;
  aspect-ratio: 16 / 9;
  border: 2px solid var(--charcoal);
  background: var(--charcoal);
  overflow: hidden;
}

.page-home .rounds-visual img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.78;
}

.page-home .track {
  display: flex;
  gap: 14px;
  padding: 4px 2px 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 2px;
  scrollbar-width: thin;
  scrollbar-color: var(--signal) rgba(139, 154, 146, 0.22);
}

.page-home .track:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: 4px;
}

.page-home .track::-webkit-scrollbar {
  height: 8px;
}

.page-home .track::-webkit-scrollbar-track {
  background: rgba(139, 154, 146, 0.18);
}

.page-home .track::-webkit-scrollbar-thumb {
  background: var(--signal);
}

.page-home .track-item {
  flex: 0 0 78%;
  min-width: 0;
  display: grid;
  gap: 8px;
  padding: 16px;
  scroll-snap-align: start;
  background: var(--pitch-ink);
  border: 2px solid rgba(139, 154, 146, 0.3);
  border-left: 4px solid var(--signal);
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-home .track-item:hover,
.page-home .track-item:focus-within {
  border-color: var(--signal);
  transform: translateY(-3px);
  box-shadow: 6px 6px 0 rgba(20, 28, 24, 0.9);
}

.page-home .track-round {
  margin: 0;
  font-family: var(--font-display);
  font-size: 25px;
  line-height: 1.1;
  color: var(--cold-white);
}

.page-home .track-round .num {
  color: var(--signal);
}

.page-home .track-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--steel);
}

.page-home .track-link {
  justify-self: start;
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-home .track-link:hover,
.page-home .track-link:focus-visible {
  color: var(--signal);
}

/* —— 主客场与红黄牌 —— */
.page-home .matchup {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(44px, 6vw, 80px);
}

.page-home .versus {
  margin: 22px 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .versus-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  align-items: center;
  padding: 13px 14px;
  border: 2px solid var(--charcoal);
  background: rgba(244, 247, 241, 0.03);
  transition: background-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-home .versus-item--home {
  border-left: 6px solid var(--signal);
}

.page-home .versus-item--away {
  border-left: 6px solid var(--electric);
}

.page-home .versus-item:hover,
.page-home .versus-item:focus-within {
  background: rgba(216, 255, 62, 0.09);
  transform: translateX(3px);
}

.page-home .versus-label {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cold-white);
}

.page-home .versus-desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--home-muted);
}

.page-home .versus-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--electric);
  opacity: 0;
  transition: opacity 0.18s var(--ease);
}

.page-home .versus-item:hover .versus-hint,
.page-home .versus-item:focus-within .versus-hint {
  opacity: 1;
}

.page-home .matchup-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--charcoal);
  box-shadow: var(--hard-shadow);
  filter: saturate(0.9);
}

.page-home .card-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
}

.page-home .tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border: 2px solid var(--charcoal);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.page-home .tag--red {
  background: var(--red-card);
  color: var(--cold-white);
}

.page-home .tag--amber {
  background: var(--amber);
  color: var(--charcoal);
}

.page-home .tag--signal {
  background: var(--signal);
  color: var(--charcoal);
}

.page-home .tag--outline {
  background: transparent;
  color: var(--electric);
  border-color: var(--electric);
}

.page-home .legend-note {
  flex: 1 1 100%;
  margin: 2px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--home-muted);
}

/* —— 关注与约场 —— */
.page-home .follow {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: center;
  margin-top: clamp(44px, 6vw, 80px);
}

.page-home .follow-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--charcoal);
  box-shadow: var(--hard-shadow);
}

.page-home .steps {
  margin: 20px 0 24px;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 10px;
}

.page-home .steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 14px;
  line-height: 1.75;
  color: var(--home-muted);
}

.page-home .steps li::before {
  content: counter(step, decimal-leading-zero);
  padding: 3px 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--signal);
  border: 2px solid rgba(216, 255, 62, 0.42);
}

/* —— 轮次简报 —— */
.page-home .briefs {
  margin-top: clamp(44px, 6vw, 80px);
}

.page-home .briefs-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-home .brief-list {
  margin-top: 22px;
  border-top: var(--stroke) solid var(--charcoal);
}

.page-home .brief {
  border-bottom: 2px solid var(--home-line);
  background: rgba(244, 247, 241, 0.02);
}

.page-home .brief summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 54px 16px 16px;
  position: relative;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.35;
  color: var(--cold-white);
}

.page-home .brief summary::-webkit-details-marker {
  display: none;
}

.page-home .brief summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--signal);
}

.page-home .brief[open] summary::after {
  content: "–";
}

.page-home .brief summary:hover {
  background: rgba(216, 255, 62, 0.06);
}

.page-home .brief summary:focus-visible {
  outline: 2px solid var(--electric);
  outline-offset: -4px;
}

.page-home .brief p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--home-muted);
}

/* —— 联系短栏 —— */
.page-home .contact-strip {
  margin-top: clamp(44px, 6vw, 80px);
  padding: clamp(22px, 4vw, 36px);
  border: var(--stroke) solid var(--signal);
  background: linear-gradient(135deg, rgba(216, 255, 62, 0.14), rgba(43, 228, 192, 0.08) 56%, transparent);
  box-shadow: 8px 8px 0 var(--charcoal);
}

.page-home .contact-list {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-home .contact-list li {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding-left: 12px;
  border-left: 3px solid rgba(216, 255, 62, 0.5);
}

.page-home .contact-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-home .contact-value {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--cold-white);
  overflow-wrap: anywhere;
}

.page-home .contact-note {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.85;
  color: var(--home-muted);
}

.page-home .contact-note a {
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 228, 192, 0.55);
}

.page-home .contact-note a:hover,
.page-home .contact-note a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

@media (min-width: 640px) {
  .page-home .track-item {
    flex-basis: 46%;
  }
}

@media (min-width: 900px) {
  .page-home .hero {
    grid-template-columns: 62fr 38fr;
  }

  .page-home .matchup {
    grid-template-columns: 55fr 45fr;
    align-items: start;
  }

  .page-home .follow {
    grid-template-columns: 40fr 60fr;
  }

  .page-home .rounds-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    gap: 8px 30px;
    align-items: end;
  }

  .page-home .rounds-head .eyebrow {
    grid-column: 1 / -1;
  }

  .page-home .rounds-head h2 {
    grid-column: 1;
    margin-bottom: 0;
  }

  .page-home .rounds-lede {
    grid-column: 2;
    margin: 0;
  }

  .page-home .rounds-head .link-more {
    grid-column: 2;
    margin-top: 12px;
  }

  .page-home .rounds-visual {
    aspect-ratio: 21 / 6;
  }

  .page-home .track-item {
    flex-basis: 252px;
  }

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

@media (min-width: 1120px) {
  .page-home .hero-brief {
    padding-right: 12px;
  }

  .page-home .hero-chapters {
    margin-top: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .btn,
  .page-home .chapter-link,
  .page-home .track-item,
  .page-home .versus-item,
  .page-home .versus-hint {
    transition: none;
  }

  .page-home .btn:hover,
  .page-home .chapter-link:hover,
  .page-home .track-item:hover,
  .page-home .versus-item:hover {
    transform: none;
  }
}