.page-home {
  --home-panel-face: color-mix(in srgb, var(--color-surface) 90%, transparent);
  --home-panel-edge: color-mix(in srgb, var(--color-highlight) 72%, transparent);
  --home-panel-edge-strong: color-mix(in srgb, var(--color-highlight) 96%, transparent);
  --home-panel-tint: color-mix(in srgb, var(--color-primary-soft) 42%, transparent);
}

/* ---------- 首屏 ---------- */

.page-home .hero-band {
  padding-top: var(--space-3);
}

.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: clip;
  display: flex;
  align-items: flex-end;
  min-height: clamp(560px, 80vh, 880px);
  background: linear-gradient(158deg, var(--color-accent) 0%, var(--color-primary) 46%, var(--color-contrast-surface) 100%);
}

.page-home .hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 34%;
  filter: saturate(0.78) contrast(1.06) brightness(0.86);
}

.page-home .hero-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--overlay-scrim);
}

.page-home .hero-stack {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-block: var(--space-8) var(--space-6);
  display: grid;
  gap: var(--space-6);
}

.page-home .hero-lead {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--home-panel-edge);
  background: var(--home-panel-face);
  backdrop-filter: blur(16px) saturate(1.12);
  box-shadow: var(--shadow-2);
}

.page-home .hero-kicker {
  margin: 0 0 var(--space-2);
  color: var(--color-ink-muted);
}

.page-home .hero-title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.04;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .hero-lede {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .hero-figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-home .fig {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--home-panel-edge);
  background: var(--home-panel-face);
  backdrop-filter: blur(14px) saturate(1.1);
  box-shadow: var(--shadow-1);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.page-home .fig:hover,
.page-home .fig:focus-within {
  transform: translateY(-3px);
  border-color: var(--home-panel-edge-strong);
  box-shadow: var(--shadow-2);
}

.page-home .fig-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

.page-home .fig--a .fig-num {
  font-size: var(--text-figure);
}

.page-home .fig--b .fig-num {
  font-size: calc(var(--text-figure) * 0.7);
}

.page-home .fig--c .fig-num {
  font-size: calc(var(--text-figure) * 0.52);
}

.page-home .fig-label {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  line-height: 1.4;
}

.page-home .hero-sync {
  margin: 0;
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  color: var(--color-contrast-ink);
}

/* ---------- 赛季索引 ---------- */

.page-home .seasons-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-home .timeline-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 var(--space-4);
  border-left: var(--border-thin) solid var(--color-line);
  display: grid;
  gap: var(--space-2);
}

.page-home .timeline-item {
  position: relative;
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  left: calc(var(--space-4) * -1 - var(--space-1) / 2);
  top: 0.72em;
  width: var(--space-1);
  height: var(--space-1);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.page-home .timeline-item.is-current::before {
  background: var(--color-accent);
  box-shadow: 0 0 0 var(--space-1) color-mix(in srgb, var(--color-accent) 18%, transparent);
}

.page-home .season-link {
  display: grid;
  gap: calc(var(--space-1) / 2);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  border: var(--border-thin) solid transparent;
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-home .season-link:hover,
.page-home .season-link:focus-visible {
  background: var(--color-primary-soft);
  border-color: var(--color-line);
  transform: translateX(0.25rem);
}

.page-home .timeline-item.is-current .season-link {
  background: color-mix(in srgb, var(--color-accent) 8%, transparent);
}

.page-home .season-code {
  color: var(--color-primary);
}

.page-home .timeline-item.is-current .season-code {
  color: var(--color-accent);
}

.page-home .season-note {
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink-soft);
}

.page-home .seasons-aside {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

.page-home .seasons-figure {
  margin: 0;
}

.page-home .seasons-figure img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-home .seasons-note {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 三条主线 ---------- */

.page-home .lanes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.page-home .lane {
  position: relative;
  display: grid;
  gap: var(--space-2);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
  transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
}

.page-home .lane:hover,
.page-home .lane:focus-within {
  transform: translateY(-4px);
  border-color: var(--color-highlight);
  box-shadow: var(--shadow-2);
}

.page-home .lane--plan {
  background: linear-gradient(168deg, var(--color-primary-soft) 0%, var(--color-surface) 62%);
}

.page-home .lane--insight {
  background: linear-gradient(168deg, color-mix(in srgb, var(--color-accent) 12%, var(--color-surface)) 0%, var(--color-surface) 68%);
}

.page-home .lane--data {
  background: var(--color-surface-alt);
}

.page-home .lane-index {
  margin: 0;
  color: color-mix(in srgb, var(--color-primary) 68%, var(--color-surface));
  line-height: 0.86;
}

.page-home .lane-kicker {
  margin: 0;
  color: var(--color-ink-muted);
}

.page-home .lane-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .lane-text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .lane-list {
  margin: 0;
  padding-left: var(--space-3);
  display: grid;
  gap: calc(var(--space-1) / 2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-home .lane-list li::marker {
  color: var(--color-primary);
}

.page-home .lane .btn {
  justify-self: start;
  margin-top: var(--space-1);
}

/* ---------- 周更脉冲 ---------- */

.page-home .pulse-bed {
  display: grid;
  gap: var(--space-6);
  padding: var(--space-8) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  overflow: clip;
}

.page-home .pulse-head {
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
}

.page-home .pulse-head .section-kicker {
  color: var(--color-contrast-accent);
}

.page-home .pulse-head .section-title {
  color: var(--color-contrast-ink);
}

.page-home .pulse-lede {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

.page-home .pulse-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  align-items: start;
}

.page-home .pulse-metrics {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-home .metric {
  display: grid;
  gap: calc(var(--space-1) / 2);
  padding-block: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .metric:first-child {
  padding-top: 0;
}

.page-home .metric-name {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: 0.01em;
  color: var(--color-contrast-ink);
}

.page-home .metric-note {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 72%, transparent);
}

.page-home .pulse-figure {
  margin: 0;
}

.page-home .pulse-figure img {
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
  object-fit: cover;
}

.page-home .pulse-figure .media-caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-contrast-ink) 64%, transparent);
}

.page-home .pulse-curve {
  display: block;
  width: 100%;
  height: 96px;
}

.page-home .pulse-curve path {
  fill: none;
  stroke: var(--color-contrast-accent);
  stroke-width: 2;
  stroke-linejoin: round;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
  animation: home-pulse-breathe 4.8s ease-in-out infinite;
}

@keyframes home-pulse-breathe {
  0%,
  100% {
    opacity: 0.58;
  }
  50% {
    opacity: 1;
  }
}

/* ---------- 版本摘要 ---------- */

.page-home .patch-figure {
  margin: 0 0 var(--space-6);
}

.page-home .patch-figure img {
  display: block;
  width: 100%;
  border-radius: var(--radius-lg);
  object-fit: cover;
}

.page-home .patch-figure .media-caption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-home .patch-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: patch;
  display: grid;
  gap: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .patch-item {
  display: grid;
  gap: var(--space-2);
  padding-block: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .patch-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-home .patch-code {
  color: var(--color-ink-muted);
}

.page-home .patch-text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-home .patch-meta {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.02em;
  color: var(--color-ink-muted);
}

.page-home .patch-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-home .patch-link {
  border-color: var(--color-line);
}

/* ---------- 维护与纠错 ---------- */

.page-home .maintain-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-6);
}

.page-home .maintain-col {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-home .maintain-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .maintain-text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .maintain-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-1) 0 0;
}

.page-home .inline-link {
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 38%, transparent);
  padding-bottom: 2px;
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

/* ---------- 焦点与动效降级 ---------- */

.page-home a:focus-visible,
.page-home .season-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  .page-home .fig,
  .page-home .lane,
  .page-home .season-link,
  .page-home .pulse-curve path {
    transition: none;
    animation: none;
    transform: none;
    opacity: 1;
  }
}

/* ---------- 平板 ---------- */

@media (min-width: 720px) {
  .page-home .hero-stack {
    padding-block: var(--space-8);
  }

  .page-home .pulse-bed {
    padding: var(--space-8);
  }

  .page-home .maintain-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
  }

  .page-home .maintain-col + .maintain-col {
    border-left: var(--border-thin) solid var(--color-line);
    padding-left: var(--space-6);
  }
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-home .hero-figures {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-4);
    align-items: start;
  }

  .page-home .fig--a {
    grid-column: 1 / span 4;
  }

  .page-home .fig--b {
    grid-column: 6 / span 3;
    margin-top: var(--space-6);
  }

  .page-home .fig--c {
    grid-column: 9 / span 4;
    margin-top: calc(var(--space-8) * 1.4);
  }

  .page-home .seasons-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
  }

  .page-home .seasons-rail {
    grid-column: 1 / span 5;
  }

  .page-home .seasons-aside {
    grid-column: 7 / span 6;
    margin-top: var(--space-6);
  }

  .page-home .lanes {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
  }

  .page-home .lane--plan {
    grid-column: 1 / span 7;
  }

  .page-home .lane--insight {
    grid-column: 8 / span 5;
    margin-top: var(--space-6);
  }

  .page-home .lane--data {
    grid-column: 3 / span 8;
    margin-top: var(--space-2);
  }

  .page-home .pulse-body {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-8);
  }

  .page-home .pulse-metrics {
    padding-right: var(--space-4);
  }

  .page-home .patch-list {
    max-width: 100%;
  }

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