.page-home {
  --home-edge: 1px solid color-mix(in srgb, var(--color-primary) 55%, transparent);
  --home-glow-soft: 0 0 30px color-mix(in srgb, var(--color-primary) 22%, transparent);
  --home-glow-accent: 0 0 16px color-mix(in srgb, var(--color-accent) 55%, transparent);
}

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

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: var(--space-6) var(--space-8);
}

.page-home .hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-home .hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: grayscale(0.3) contrast(1.06);
}

.page-home .hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(130% 105% at 6% 0%, color-mix(in srgb, var(--color-primary) 36%, transparent) 0%, transparent 58%),
    radial-gradient(110% 90% at 102% 96%, color-mix(in srgb, var(--color-accent) 18%, transparent) 0%, transparent 60%),
    linear-gradient(180deg, color-mix(in srgb, var(--color-surface) 76%, transparent) 0%, color-mix(in srgb, var(--color-surface) 92%, transparent) 54%, var(--color-surface) 96%);
}

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

.page-home .hero__context {
  margin: 0 0 var(--space-4);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-home .hero__rail {
  margin-bottom: var(--space-8);
}

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

.page-home .hero__grid > * {
  min-width: 0;
}

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

.page-home .hero__title-brand {
  display: block;
  color: var(--color-primary);
  text-shadow: 0 0 46px color-mix(in srgb, var(--color-primary) 58%, transparent);
}

.page-home .hero__title-line {
  display: block;
  color: var(--color-ink);
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .hero__stat {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-2);
}

.page-home .hero__stat::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 26px;
  height: 2px;
  background: var(--color-accent);
  box-shadow: var(--home-glow-accent);
}

.page-home .hero__stat-num {
  font-size: clamp(var(--text-lg), 8vw, calc(var(--text-figure) * 0.56));
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--color-ink);
}

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

.page-home .hero__lede {
  max-width: 62ch;
  margin: var(--space-6) 0 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 通用分栏覆盖（仅本页） ---------- */

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

.page-home .mainline > *,
.page-home .cadence__body > * {
  min-width: 0;
}

/* ---------- 三条主线 ---------- */

.page-home .mainlines__intro {
  max-width: 56ch;
  margin-bottom: var(--space-8);
}

.page-home .mainline {
  padding-block: var(--space-8);
}

.page-home .mainline__index {
  display: inline-block;
  padding-bottom: var(--space-1);
  border-bottom: 2px solid color-mix(in srgb, var(--color-primary) 62%, transparent);
  font-size: var(--text-sm);
  letter-spacing: 0.14em;
  color: var(--color-primary);
}

.page-home .mainline__title {
  margin: var(--space-3) 0 var(--space-2);
  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 .mainline__desc {
  max-width: 46ch;
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .mainline__link {
  display: inline-block;
  padding-bottom: 2px;
  border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 55%, transparent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  transition: color 200ms ease-out, border-color 200ms ease-out;
}

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

.page-home .field-list {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .entry__index {
  font-size: var(--text-sm);
  color: var(--color-primary);
}

.page-home .entry__title {
  margin: 0 0 var(--space-1);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

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

.page-home .channel-map {
  display: block;
  width: 100%;
  max-width: 520px;
  height: auto;
}

.page-home .channel-map__tier {
  fill: color-mix(in srgb, var(--color-surface-deep) 80%, transparent);
  stroke: color-mix(in srgb, var(--color-primary) 52%, transparent);
  stroke-width: 1;
}

.page-home .channel-map__label {
  fill: var(--color-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.page-home .channel-map__links line {
  stroke: var(--color-accent);
  stroke-width: 2;
  stroke-linecap: round;
}

.page-home .channel-map__cross path {
  fill: none;
  stroke: color-mix(in srgb, var(--color-primary) 78%, transparent);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

/* ---------- 更新节奏 ---------- */

.page-home .cadence__head {
  max-width: 58ch;
  margin-bottom: var(--space-8);
}

.page-home .timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .timeline__minute {
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: 0.06em;
}

.page-home .timeline__text p {
  margin: 0 0 var(--space-1);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .timeline__text .title-sm {
  margin-bottom: var(--space-1);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-home .cadence__away,
.page-home .cadence__aside {
  align-self: start;
}

.page-home .cadence__figure {
  margin-top: var(--space-8);
}

/* ---------- 读者路径 ---------- */

.page-home .paths__head {
  max-width: 58ch;
  margin-bottom: var(--space-8);
}

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

.page-home .path-card {
  position: relative;
  padding-left: var(--space-4);
  border-radius: var(--radius-md);
  transition: box-shadow 240ms ease-out;
}

.page-home .path-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
}

.page-home .path-card:hover,
.page-home .path-card:focus-within {
  box-shadow: var(--home-edge) inset, var(--home-glow-soft);
}

.page-home .path-card__link {
  display: inline-block;
  margin-top: var(--space-2);
  padding-bottom: 2px;
  border-bottom: 1px solid color-mix(in srgb, var(--color-accent) 50%, transparent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  transition: color 200ms ease-out, border-color 200ms ease-out;
}

.page-home .path-card__link:hover,
.page-home .path-card__link:focus-visible {
  color: var(--color-focus);
  border-color: var(--color-focus);
}

/* ---------- 收口 ---------- */

.page-home .closing {
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 6vw, var(--space-8));
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-home .closing__eyebrow {
  color: var(--color-contrast-accent);
}

.page-home .closing__title {
  margin: var(--space-3) 0 var(--space-4);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-home .closing__text {
  max-width: var(--measure);
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-home .closing__text a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-home .closing__text a:hover,
.page-home .closing__text a:focus-visible {
  color: var(--color-primary);
}

.page-home .closing__facts {
  margin: var(--space-6) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-contrast-accent);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-home .paths__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-8) var(--space-6);
  }

  .page-home .hero__stats {
    gap: var(--space-6) var(--space-4);
  }
}

@media (min-width: 900px) {
  .page-home .hero {
    padding-block: var(--space-8) var(--section-y);
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(260px, 0.95fr);
    align-items: end;
    gap: var(--space-8);
  }

  .page-home .hero__rail {
    margin-bottom: var(--space-8);
  }

  .page-home .mainline {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-home .cadence__body {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-home .hero__title {
    max-width: 14ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .mainline__link,
  .page-home .path-card,
  .page-home .path-card__link {
    transition: none;
  }
}