.page-home {
  display: block;
  color: var(--paper);
  padding-bottom: 3.5rem;
  background:
    radial-gradient(1100px 620px at 84% -12%, rgba(116, 247, 166, .10), transparent 62%),
    radial-gradient(900px 520px at -8% 26%, rgba(155, 196, 255, .07), transparent 66%);
}

.page-home .home-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  padding-top: 1.5rem;
}

.page-home .chapter-index {
  border-top: 1px solid var(--line);
  padding-top: .85rem;
}

.page-home .chapter-index-title {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-home .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .index-item {
  flex: 0 0 auto;
}

.page-home .index-link {
  display: inline-flex;
  align-items: baseline;
  gap: .4rem;
  padding: .4rem .7rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  color: var(--paper-70);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-home .index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
}

.page-home .index-link:hover,
.page-home .index-link:focus-visible {
  color: var(--ink-900);
  background: var(--lime);
  border-color: var(--lime);
}

.page-home .index-link:hover .index-num,
.page-home .index-link:focus-visible .index-num {
  color: var(--ink-900);
}

.page-home .home-crumb {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--paper-55);
}

.page-home .home-crumb span {
  color: var(--clay);
  padding: 0 .35rem;
}

.page-home .hero-copy h1 {
  margin: .55rem 0 0;
  font-size: clamp(1.9rem, 6.2vw, 3.4rem);
  line-height: 1.1;
  font-weight: 900;
  letter-spacing: -.02em;
  max-width: 18em;
}

.page-home .hero-lede {
  margin: 1rem 0 0;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--paper-82);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.35rem;
}

.page-home .hero-figure {
  position: relative;
  margin: 1.6rem 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-700);
}

.page-home .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: brightness(.84) contrast(1.12) saturate(.95);
}

.page-home .hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 11, 24, .12), rgba(5, 11, 24, .62)),
    repeating-linear-gradient(0deg, rgba(116, 247, 166, .055) 0 1px, transparent 1px 4px);
}

.page-home .hero-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: .7rem .9rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--paper-70);
  background: linear-gradient(0deg, rgba(1, 4, 10, .85), transparent);
  z-index: 1;
}

.page-home .section {
  margin-top: 3.25rem;
}

.page-home .section-head {
  max-width: 60ch;
  margin-bottom: 1.6rem;
}

.page-home .section-head h2 {
  margin: .35rem 0 .55rem;
  font-size: clamp(1.42rem, 4vw, 2.2rem);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.015em;
}

.page-home .section-sub {
  margin: 0;
  font-size: .95rem;
  line-height: 1.75;
  color: var(--paper-70);
}

/* 章节预览 */
.page-home .preview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .85rem;
}

.page-home .preview-card {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: 1.1rem 1rem 1.15rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--lime);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, rgba(11, 27, 51, .94), rgba(5, 11, 24, .94));
  color: var(--paper);
  text-decoration: none;
  transition: transform .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-home .preview-card:hover,
.page-home .preview-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--lime);
  box-shadow: 0 10px 26px rgba(1, 4, 10, .55);
}

.page-home .preview-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--moss);
}

.page-home .preview-title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 800;
  line-height: 1.35;
}

.page-home .preview-text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.65;
  color: var(--paper-70);
}

.page-home .preview-meta {
  margin-top: auto;
  padding-top: .5rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ice);
}

/* 数据看板 */
.page-home .board-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 1.5rem 1.1rem 1.6rem;
  background:
    radial-gradient(120% 100% at 100% 0%, rgba(116, 247, 166, .14), transparent 56%),
    var(--ink-700);
}

.page-home .board-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  filter: saturate(1.3) contrast(1.2);
  pointer-events: none;
}

.page-home .board-inner {
  position: relative;
  z-index: 1;
}

.page-home .board-panel h2 {
  margin: .35rem 0 .6rem;
  font-size: clamp(1.35rem, 3.9vw, 2.05rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.015em;
  max-width: 22em;
}

.page-home .board-sub {
  margin: 0;
  max-width: 58ch;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--paper-82);
}

.page-home .board-metrics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .9rem;
  margin-top: 1.5rem;
}

.page-home .metric {
  padding: .85rem .9rem;
  border: 1px solid rgba(42, 52, 66, .9);
  border-radius: 12px;
  background: rgba(1, 4, 10, .45);
}

.page-home .metric-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.85rem, 6vw, 2.9rem);
  font-weight: 600;
  line-height: 1;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
  text-shadow: 0 0 22px rgba(116, 247, 166, .35);
}

.page-home .metric-unit {
  margin: .3rem 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper-55);
}

.page-home .metric-label {
  margin: .25rem 0 0;
  font-size: .86rem;
  color: var(--paper-82);
}

.page-home .board-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem;
  margin-top: 1.4rem;
}

.page-home .board-note {
  margin: 0;
  font-size: .82rem;
  color: var(--paper-55);
}

/* 周末赛程 */
.page-home .schedule-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-home .seg-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--line);
}

.page-home .seg-tab {
  appearance: none;
  cursor: pointer;
  padding: .48rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--paper-70);
  font-family: var(--font-display);
  font-size: .9rem;
  font-weight: 600;
  transition: color .2s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
}

.page-home .seg-tab:hover {
  color: var(--paper);
  border-color: var(--moss);
}

.page-home .seg-tab[aria-selected="true"] {
  color: var(--ink-900);
  background: var(--lime);
  border-color: var(--lime);
}

.page-home .seg-tab:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}

.page-home .seg-panel {
  padding-top: 1.1rem;
}

.page-home .panel-caption {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--moss);
}

.page-home .timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.15rem;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: .55rem;
  bottom: .55rem;
  width: 1px;
  background: linear-gradient(180deg, var(--moss), rgba(95, 125, 99, .12));
}

.page-home .timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: .8rem;
  padding: .65rem 0;
  align-items: start;
}

.page-home .timeline-node {
  position: absolute;
  left: -1.15rem;
  top: 1rem;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--moss);
}

.page-home .timeline-item--now .timeline-node {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 61, .16);
}

.page-home .timeline-time {
  font-family: var(--font-mono);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-home .timeline-title {
  margin: 0;
  font-size: .94rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .timeline-note {
  margin: .2rem 0 0;
  font-size: .85rem;
  line-height: 1.6;
  color: var(--paper-55);
}

.page-home .schedule-aside {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-700);
}

.page-home .schedule-aside img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: brightness(.85) contrast(1.1);
}

.page-home .schedule-aside figcaption {
  padding: .8rem .9rem;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--paper-70);
  border-top: 1px solid var(--line);
}

/* 资料库 */
.page-home .ref-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
}

.page-home .ref-card {
  position: relative;
  padding: 1.3rem 1.1rem 1.35rem;
  border: 1px solid var(--stone);
  border-radius: var(--radius-card);
  background: var(--paper);
  color: var(--ink-900);
  box-shadow: 6px 6px 0 rgba(42, 52, 66, .85);
}

.page-home .ref-card--alt {
  background: #EFE6D7;
}

.page-home .ref-label {
  margin: 0 0 .5rem;
  display: inline-block;
  padding: .18rem .55rem;
  border: 1px solid var(--moss);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--moss);
}

.page-home .ref-label--clay {
  border-color: var(--clay);
  color: var(--clay);
}

.page-home .ref-title {
  margin: 0 0 .6rem;
  font-size: 1.16rem;
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink-900);
}

.page-home .ref-text {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: #2A3442;
}

.page-home .ref-points {
  list-style: none;
  margin: .9rem 0 0;
  padding: 0;
  display: grid;
  gap: .35rem;
}

.page-home .ref-points li {
  position: relative;
  padding-left: 1rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .02em;
  color: #050B18;
}

.page-home .ref-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5em;
  width: 8px;
  height: 1px;
  background: var(--clay);
}

.page-home .ref-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: .86rem;
  font-weight: 700;
  color: var(--ink-900);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 2px;
}

.page-home .ref-link:hover,
.page-home .ref-link:focus-visible {
  border-bottom-color: var(--ink-900);
}

/* 球队收藏 */
.page-home .collect-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.page-home .collect-copy h2 {
  margin: .35rem 0 .6rem;
  font-size: clamp(1.38rem, 4vw, 2.1rem);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.015em;
}

.page-home .collect-sub {
  margin: 0;
  max-width: 56ch;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--paper-82);
}

.page-home .collect-steps {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
  counter-reset: step;
}

.page-home .collect-steps li {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: .7rem;
  align-items: start;
  padding: .65rem .8rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(11, 27, 51, .72);
}

.page-home .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--orange);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

.page-home .step-text {
  font-size: .89rem;
  line-height: 1.65;
  color: var(--paper-82);
}

.page-home .collect-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.25rem;
}

.page-home .collect-visual {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--ink-700);
}

.page-home .collect-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: brightness(.88) contrast(1.08);
}

.page-home .collect-caption {
  padding: .75rem .9rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--paper-70);
  border-top: 1px solid var(--line);
}

/* 更新与反馈 */
.page-home .update-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.1rem;
  padding: 1.3rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-home .update-cell {
  padding-left: .9rem;
  border-left: 2px solid var(--moss);
}

.page-home .update-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--moss);
}

.page-home .update-value {
  margin: .35rem 0 .4rem;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 3.4vw, 1.4rem);
  font-weight: 600;
  color: var(--ice);
  letter-spacing: -.01em;
}

.page-home .update-text {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--paper-70);
}

.page-home .update-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1.4rem;
}

@media (min-width: 720px) {
  .page-home .preview-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

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

  .page-home .hero-lede {
    font-size: 1.05rem;
  }
}

@media (min-width: 960px) {
  .page-home .home-hero {
    grid-template-columns: 184px minmax(0, 1fr);
    gap: 3.25rem;
    padding-top: 2.6rem;
  }

  .page-home .chapter-index {
    position: sticky;
    top: 6.5rem;
    align-self: start;
    border-top: none;
    border-left: 1px solid var(--line);
    padding: .25rem 0 .25rem 1rem;
  }

  .page-home .index-list {
    flex-direction: column;
    overflow: visible;
    gap: .45rem;
  }

  .page-home .index-link {
    border-color: transparent;
    padding: .3rem .55rem;
    font-size: 13.5px;
  }

  .page-home .index-link:hover,
  .page-home .index-link:focus-visible {
    border-color: var(--lime);
  }

  .page-home .hero-figure {
    margin-top: 2rem;
  }

  .page-home .section {
    margin-top: 4.5rem;
  }

  .page-home .home-preview .section-head,
  .page-home .home-schedule .section-head,
  .page-home .home-library .section-head,
  .page-home .home-updates .section-head {
    margin-left: 12.5rem;
  }

  .page-home .board-panel {
    padding: 2.4rem 2.2rem 2.5rem;
  }

  .page-home .schedule-layout {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    gap: 2rem;
    align-items: start;
  }

  .page-home .collect-layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 2.5rem;
    align-items: center;
  }

  .page-home .preview-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .timeline-item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 1.1rem;
  }
}

@media (min-width: 1180px) {
  .page-home .hero-copy h1 {
    max-width: 16em;
  }

  .page-home .board-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
    column-gap: 2.5rem;
    align-items: start;
  }

  .page-home .board-panel .eyebrow,
  .page-home .board-panel h2,
  .page-home .board-panel .board-sub,
  .page-home .board-panel .board-actions {
    grid-column: 1;
  }

  .page-home .board-metrics {
    grid-column: 2;
    grid-row: 1 / span 4;
    grid-template-columns: minmax(0, 1fr);
    margin-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .preview-card,
  .page-home .index-link,
  .page-home .seg-tab {
    transition: none;
  }

  .page-home .preview-card:hover,
  .page-home .preview-card:focus-visible {
    transform: none;
  }
}