.page-home {
  --hm-cyan-soft: rgba(53, 242, 214, .14);
  --hm-coral-soft: rgba(255, 107, 74, .14);
  --hm-gold-soft: rgba(232, 199, 122, .18);
  --hm-surface: rgba(14, 39, 64, .58);
  --hm-surface-deep: rgba(3, 11, 22, .62);
  overflow-x: clip;
}

/* ---------- 01 首屏：章节预览式签表开场 ---------- */

.page-home .hero-board {
  position: relative;
  padding: var(--sp-4) 0 var(--sp-5);
  background:
    radial-gradient(122% 96% at 80% 0%, rgba(15, 58, 84, .96) 0%, rgba(15, 58, 84, 0) 62%),
    linear-gradient(180deg, var(--c-grad) 0%, var(--c-deep) 70%, var(--c-deep) 100%);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
}

.page-home .hero-rail {
  display: none;
}

.page-home .hero-copy .display-title {
  margin: 8px 0 var(--sp-2);
}

.page-home .hero-points {
  list-style: none;
  margin: var(--sp-3) 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .hero-point {
  background: var(--hm-surface-deep);
  padding: var(--sp-2);
  display: grid;
  gap: 4px;
}

.page-home .hero-point-num {
  font-size: 24px;
  line-height: 1.1;
  color: var(--c-gold);
  letter-spacing: -.01em;
}

.page-home .hero-point-label {
  font-size: var(--fs-micro);
  line-height: 1.55;
  color: var(--c-text-soft);
}

.page-home .mini-tree-wrap {
  margin-top: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  background: rgba(3, 11, 22, .38);
}

.page-home .mini-tree-caption {
  margin: 0 0 6px;
  font-size: var(--fs-micro);
  letter-spacing: .24em;
  color: var(--c-mist);
}

.page-home .mini-tree {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
}

.page-home .mt-line {
  fill: none;
  stroke: var(--c-line-2);
  stroke-width: 1;
}

.page-home .mt-line--live {
  stroke: var(--c-gold);
  stroke-opacity: .7;
}

.page-home .mt-node {
  stroke: var(--c-deep);
  stroke-width: 2;
}

.page-home .mt-node--home { fill: var(--c-cyan); }
.page-home .mt-node--away { fill: var(--c-coral); }
.page-home .mt-node--gold { fill: var(--c-gold); }

.page-home .season-picker {
  margin-top: var(--sp-3);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-home .season-picker-label {
  margin-right: 4px;
  font-size: var(--fs-micro);
  letter-spacing: .28em;
  color: var(--c-mist);
}

.page-home .season-chip {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-line);
  background: var(--hm-surface);
  color: var(--c-mist);
  font-size: var(--fs-small);
  text-decoration: none;
  transition:
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-home .season-chip:hover,
.page-home .season-chip:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-white);
}

.page-home .season-chip[data-active] {
  border-color: var(--c-cyan);
  background: var(--c-cyan);
  color: var(--c-deep);
}

.page-home .hero-visual {
  position: relative;
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--hm-surface-deep);
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .hero-readout {
  padding: var(--sp-2) var(--sp-3);
  border-top: 1px solid var(--c-line-soft);
  background: rgba(3, 11, 22, .78);
}

.page-home .hero-readout-title {
  margin: 0;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--c-white);
}

.page-home .hero-readout-meta {
  margin: 4px 0 0;
  font-size: var(--fs-micro);
  color: var(--c-mist);
}

/* ---------- 02 色标读法：放空的单行说明 ---------- */

.page-home .legend-strip {
  padding: var(--sp-5) 0;
  background: var(--c-deep);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-home .legend-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
}

.page-home .legend-rail {
  display: none;
}

.page-home .legend-lede {
  margin: var(--sp-2) 0 0;
  max-width: 62ch;
  color: var(--c-text-soft);
}

.page-home .legend-items {
  list-style: none;
  margin: var(--sp-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--sp-2);
}

.page-home .legend-item {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: var(--sp-2);
  padding: var(--sp-2);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  background: var(--hm-surface);
  transition: border-color var(--dur) var(--ease);
}

.page-home .legend-item:hover {
  border-color: var(--c-line-2);
}

.page-home .legend-item .swatch {
  display: block;
  width: 12px;
  min-height: 100%;
  border-radius: 3px;
}

.page-home .swatch--home { background: var(--c-cyan); }
.page-home .swatch--away { background: var(--c-coral); }
.page-home .swatch--gold { background: var(--c-gold); }

.page-home .legend-item--gold {
  background: linear-gradient(180deg, var(--hm-gold-soft), transparent 70%), var(--hm-surface);
}

.page-home .legend-key {
  margin: 0;
  font-size: var(--fs-small);
  font-weight: 600;
  color: var(--c-white);
}

.page-home .legend-desc {
  margin: 4px 0 0;
  font-size: var(--fs-micro);
  line-height: 1.65;
  color: var(--c-text-soft);
}

.page-home .legend-media {
  margin: 0;
}

.page-home .legend-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line-soft);
}

/* ---------- 03 赛季区间与版本推进 ---------- */

.page-home .arc-section {
  padding: var(--sp-5) 0;
  background: var(--c-deep);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-home .arc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
}

.page-home .arc-lede {
  margin: var(--sp-2) 0 var(--sp-3);
  max-width: 46ch;
  color: var(--c-text-soft);
}

.page-home .arc-track {
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  background: var(--hm-surface-deep);
  padding: var(--sp-3);
}

.page-home .arc-track .timeline {
  margin: 0;
}

.page-home .arc-track .timeline-item {
  padding-left: var(--sp-2);
  border-left: 1px solid var(--c-line);
}

.page-home .arc-track .timeline-item[data-state="live"] {
  border-left-color: var(--c-gold);
}

.page-home .arc-track .timeline-item[data-state="live"] .timeline-time {
  color: var(--c-gold);
}

.page-home .arc-track .timeline-time {
  color: var(--c-mist);
  letter-spacing: .06em;
}

.page-home .arc-media {
  margin: var(--sp-4) 0 0;
}

.page-home .arc-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--c-line-soft);
  opacity: .88;
}

/* ---------- 04 两级分类索引 ---------- */

.page-home .index-section {
  padding: var(--sp-5) 0;
  background: var(--c-panel-2);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-home .index-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
  margin-top: var(--sp-3);
}

.page-home .index-panel {
  padding: var(--sp-3);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(7, 26, 47, .74);
}

.page-home .index-panel-head {
  display: flex;
  align-items: baseline;
  gap: var(--sp-1);
  padding-bottom: var(--sp-2);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-home .index-num {
  font-size: var(--fs-micro);
  letter-spacing: .24em;
  color: var(--c-gold);
}

.page-home .index-panel-title {
  margin: 0;
  font-size: var(--fs-h3);
  color: var(--c-white);
}

.page-home .index-rows {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
}

.page-home .index-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: 11px 0;
  border-bottom: 1px dashed var(--c-line-soft);
  font-size: var(--fs-small);
  color: var(--c-text-soft);
}

.page-home .index-row:last-child {
  border-bottom: 0;
}

.page-home .index-row-val {
  font-size: 20px;
  color: var(--c-gold);
}

.page-home .round-leaves {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-home .index-panel-note {
  margin: var(--sp-2) 0 0;
  font-size: var(--fs-micro);
  line-height: 1.65;
  color: var(--c-text-soft);
}

.page-home .index-media {
  margin: 0;
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
  min-height: 200px;
}

.page-home .index-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.page-home .route-grid {
  margin-top: var(--sp-4);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-2);
}

.page-home .route-card {
  position: relative;
  display: grid;
  gap: 6px;
  padding: var(--sp-3);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: rgba(7, 26, 47, .6);
  color: inherit;
  text-decoration: none;
  overflow: hidden;
  transition:
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-home .route-card::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 2px;
  background: var(--c-cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.page-home .route-card:hover,
.page-home .route-card:focus-visible {
  border-color: var(--c-cyan);
  background: rgba(14, 39, 64, .88);
}

.page-home .route-card:hover::after,
.page-home .route-card:focus-visible::after {
  transform: scaleY(1);
}

.page-home .route-card-title {
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--c-white);
}

.page-home .route-card-desc {
  font-size: var(--fs-micro);
  line-height: 1.65;
  color: var(--c-text-soft);
}

/* ---------- 05 核对与更新节奏 ---------- */

.page-home .cadence-section {
  padding: var(--sp-5) 0;
  background: var(--c-deep);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-home .cadence-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
}

.page-home .cadence-intro p {
  margin: var(--sp-2) 0 0;
  max-width: 46ch;
  color: var(--c-text-soft);
}

.page-home .cadence-list {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-home .cadence-item {
  display: grid;
  grid-template-columns: minmax(0, 88px) minmax(0, 1fr);
  gap: var(--sp-2);
  align-items: baseline;
  padding: var(--sp-2) var(--sp-3);
  background: var(--hm-surface-deep);
}

.page-home .cadence-num {
  font-size: 22px;
  color: var(--c-gold);
  letter-spacing: -.01em;
}

.page-home .cadence-note {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--c-text-soft);
}

/* ---------- 06 观察摘要折叠卡 ---------- */

.page-home .digest-section {
  padding: var(--sp-5) 0 var(--sp-5);
  background: var(--c-deep);
}

.page-home .digest-grid {
  margin-top: var(--sp-3);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-2);
}

.page-home .digest-card {
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--hm-surface);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-home .digest-card[data-open],
.page-home .digest-card:hover {
  border-color: var(--c-line-2);
}

.page-home .digest-card .fold-head {
  align-items: center;
  gap: var(--sp-2);
}

.page-home .digest-toggle {
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: var(--c-white);
  font: inherit;
  font-size: var(--fs-h3);
  font-weight: 600;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
}

.page-home .digest-toggle:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-home .digest-card .fold-body p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--c-text-soft);
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 640px) {
  .page-home .hero-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-home .cadence-item {
    grid-template-columns: minmax(0, 110px) minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-home .index-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, .9fr);
  }

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

  .page-home .cadence-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: var(--sp-4);
    align-items: start;
  }

  .page-home .legend-grid {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: var(--sp-4);
  }

  .page-home .legend-rail {
    display: block;
    padding-top: 6px;
  }

  .page-home .legend-media {
    grid-column: 2 / 3;
  }
}

@media (min-width: 960px) {
  .page-home .hero-board {
    padding: var(--sp-5) 0 var(--sp-5);
  }

  .page-home .hero-grid {
    grid-template-columns: 64px minmax(0, 5fr) minmax(0, 6fr);
    gap: var(--sp-4);
    align-items: start;
  }

  .page-home .hero-rail {
    display: block;
    padding-top: 10px;
  }

  .page-home .hero-copy .display-title {
    font-size: clamp(38px, 4.4vw, 62px);
    margin-top: var(--sp-2);
  }

  .page-home .hero-visual {
    position: sticky;
    top: 108px;
  }

  .page-home .hero-readout {
    position: absolute;
    left: var(--sp-2);
    right: var(--sp-2);
    bottom: var(--sp-2);
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    background: rgba(3, 11, 22, .74);
    backdrop-filter: blur(8px);
  }

  .page-home .arc-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: var(--sp-4);
    align-items: start;
  }

  .page-home .arc-media {
    margin-top: var(--sp-5);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .season-chip,
  .page-home .legend-item,
  .page-home .route-card,
  .page-home .route-card::after,
  .page-home .digest-card {
    transition: none;
  }
}