.page-home {
  --home-shift: var(--space-4);
  --home-bar-min: 120px;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  padding-block: var(--space-6) 0;
}

.page-home .home-hero__head {
  max-width: var(--measure);
}

.page-home .home-hero__title {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 1.05;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  max-width: 14ch;
}

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

/* 深色数字带 */
.page-home .home-stats {
  margin-top: var(--space-6);
  padding-block: var(--space-6);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-home .home-stats__row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) 0;
}

.page-home .home-stat {
  padding-inline: var(--space-3);
  border-left: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 500;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-contrast-accent);
}

.page-home .home-stat__label {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.8;
}

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

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
  object-fit: cover;
}

/* 目录 */
.page-home .home-toc {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .home-toc__title {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-home .home-toc__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-3);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-toc__link {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
}

.page-home .home-toc__link:hover,
.page-home .home-toc__link[aria-current="true"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* ---------- 通用区块 ---------- */
.page-home .home-section {
  position: relative;
  padding-block: var(--section-y);
}

.page-home .home-section--alt::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-surface-alt);
  clip-path: polygon(0 var(--home-shift), 100% 0, 100% 100%, 0 100%);
  z-index: 0;
}

.page-home .home-section--alt > * {
  position: relative;
  z-index: 1;
}

.page-home .home-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

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

.page-home .home-head__note {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 两套读数 ---------- */
.page-home .home-caliber__pair {
  display: grid;
  gap: var(--space-4);
}

.page-home .home-caliber__item {
  padding-top: var(--space-3);
  border-top: 2px solid var(--color-primary);
}

.page-home .home-caliber__badge {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

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

.page-home .home-caliber__text {
  margin: var(--space-2) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  max-width: var(--measure);
}

/* 对照条 */
.page-home .home-split {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface-deep);
}

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

.page-home .home-split__label {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-home .home-split__track {
  position: relative;
  display: block;
  height: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .home-split__span {
  position: absolute;
  inset-block: var(--space-1);
  inset-inline-start: 12%;
  inset-inline-end: 24%;
  display: block;
  background: var(--color-primary-soft);
  border-inline-start: var(--border-thin) solid var(--color-primary);
  border-inline-end: var(--border-thin) solid var(--color-primary);
}

.page-home .home-split__pulses {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .home-split__pulses i {
  flex: 1 1 0;
  display: block;
  background: var(--color-primary);
  opacity: 0.72;
  height: 30%;
}

.page-home .home-split__pulses i:nth-child(2) { height: 44%; }
.page-home .home-split__pulses i:nth-child(3) { height: 36%; }
.page-home .home-split__pulses i:nth-child(4) { height: 62%; }
.page-home .home-split__pulses i:nth-child(5) { height: 52%; }
.page-home .home-split__pulses i:nth-child(6) { height: 78%; }
.page-home .home-split__pulses i:nth-child(7) { height: 66%; }
.page-home .home-split__pulses i:nth-child(8) { height: 92%; background: var(--color-accent); opacity: 1; }

.page-home .home-split__caption {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ---------- 时段轴 ---------- */
.page-home .home-axis__rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  align-items: end;
  margin-bottom: var(--space-6);
}

.page-home .home-axis__tick {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: var(--space-1);
  min-height: var(--home-bar-min);
  padding: var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  text-decoration: none;
  color: var(--color-ink);
}

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

.page-home .home-axis__bar {
  display: block;
  width: 100%;
  height: 18px;
  border-radius: 2px;
  background: var(--color-primary-soft);
  border-top: 2px solid var(--color-primary);
}

.page-home .home-axis__tick:nth-child(2) .home-axis__bar { height: 30px; }
.page-home .home-axis__tick:nth-child(3) .home-axis__bar { height: 44px; }
.page-home .home-axis__tick:nth-child(4) .home-axis__bar { height: 58px; }
.page-home .home-axis__tick:nth-child(5) .home-axis__bar { height: 74px; }
.page-home .home-axis__tick:nth-child(6) .home-axis__bar {
  height: 90px;
  background: var(--color-primary);
  border-top-color: var(--color-accent);
}

.page-home .home-axis__name {
  font-size: var(--text-sm);
  font-weight: 600;
}

.page-home .home-axis__strength {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

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

.page-home .home-axis__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
  object-fit: cover;
}

.page-home .home-axis__notes {
  display: grid;
  gap: var(--space-3);
}

.page-home .home-axis__note {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  scroll-margin-top: var(--space-8);
}

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

.page-home .home-axis__noteText {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 十二档比率 ---------- */
.page-home .home-tier__figure {
  margin: 0 0 var(--space-6);
}

.page-home .home-tier__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
  object-fit: cover;
}

.page-home .home-tier__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .home-tier__item {
  display: grid;
  grid-template-columns: 2.75rem minmax(0, 1fr);
  grid-template-areas:
    "tier name"
    "tier desc"
    "tier when";
  column-gap: var(--space-3);
  row-gap: var(--space-1);
  padding-block: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .home-tier__item:nth-child(odd) {
  background: var(--color-surface-alt);
}

.page-home .home-tier__tier {
  grid-area: tier;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
  padding-top: 2px;
}

.page-home .home-tier__name {
  grid-area: name;
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .home-tier__desc {
  grid-area: desc;
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .home-tier__when {
  grid-area: when;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 九类玩法 ---------- */
.page-home .home-modes {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-mode {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  border-left: 3px solid var(--color-primary);
}

.page-home .home-mode__mark {
  display: block;
  width: 20px;
  height: 20px;
  margin-bottom: var(--space-2);
  border: var(--border-thin) solid var(--color-primary);
  border-radius: 0;
  background: var(--color-primary-soft);
}

.page-home .home-mode__name {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

/* ---------- 四个入口 ---------- */
.page-home .home-entry__figure {
  margin: 0 0 var(--space-6);
}

.page-home .home-entry__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 0;
  object-fit: cover;
}

.page-home .home-entry__grid {
  display: grid;
  gap: var(--space-3);
}

.page-home .home-entry__card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border-top: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-1);
  text-decoration: none;
  color: var(--color-ink);
}

.page-home .home-entry__card:hover,
.page-home .home-entry__card:focus-visible {
  box-shadow: var(--shadow-2);
  border-top-color: var(--color-accent);
}

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

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

.page-home .home-entry__inline {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .home-entry__go {
  margin-top: auto;
  padding-top: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
}

/* ---------- 联系 ---------- */
.page-home .home-reach__grid {
  display: grid;
  gap: 0 var(--space-6);
}

.page-home .home-reach__item {
  padding-block: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .home-reach__label {
  display: block;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-home .home-reach__value {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
  word-break: break-word;
}

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

.page-home .home-reach__more {
  margin: var(--space-6) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-home .home-reach__link,
.page-home .home-outro__link {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收束 ---------- */
.page-home .home-outro {
  padding-block: var(--section-y-lg) var(--space-6);
}

.page-home .home-outro__box {
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-home .home-outro__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

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

.page-home .home-outro__text--minor {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

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

.page-home .home-footnote {
  margin: 0 0 var(--space-6);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .home-reach__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 768px) {
  .page-home .home-stats {
    padding-block: var(--space-8);
  }

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

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

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

  .page-home .home-axis__rail {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: var(--space-3);
  }

  .page-home .home-entry__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

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

@media (min-width: 900px) {
  .page-home .home-axis__notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .home-tier__item {
    grid-template-columns: 3.5rem minmax(0, 18ch) minmax(0, 1fr) 8.5rem;
    grid-template-areas: "tier name desc when";
    align-items: baseline;
    padding-inline: var(--space-2);
  }

  .page-home .home-tier__when {
    text-align: right;
  }
}

@media (min-width: 1024px) {
  .page-home .home-modes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-entry__card,
  .page-home .home-axis__note {
    transition: none;
  }
}