.page-home {
  --home-gap: clamp(16px, 2.4vw, 28px);
  --home-pad: clamp(18px, 2.2vw, 26px);
  background: var(--rice);
}

/* ============ 首屏暖橘金色域 ============ */

.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(104px, 14vw, 168px) 0 clamp(28px, 4vw, 52px);
  background:
    radial-gradient(115% 85% at 84% 8%, rgba(247, 217, 160, 0.72) 0%, rgba(247, 217, 160, 0) 58%),
    linear-gradient(155deg, var(--apricot) 0%, var(--apricot-deep) 98%);
  border-bottom: var(--bw) solid var(--charcoal);
}

.page-home .home-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
}

.page-home .home-hero__path {
  display: inline-block;
  margin: 0 0 20px;
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: rgba(253, 246, 233, 0.78);
  border: 2px solid var(--charcoal);
  border-radius: var(--r-pill);
}

.page-home .home-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-home .home-hero__lede {
  max-width: 46ch;
  margin: 0 0 28px;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.9;
  color: var(--charcoal);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .home-hero__actions .btn {
  text-decoration: none;
}

.page-home .home-hero__visual {
  position: relative;
  padding: 0;
}

.page-home .home-hero__anchor {
  position: absolute;
  top: clamp(-20px, -1.8vw, -10px);
  left: clamp(-20px, -1.8vw, -10px);
  z-index: 2;
  width: clamp(54px, 7vw, 84px);
  height: clamp(54px, 7vw, 84px);
  border: var(--bw) solid var(--charcoal);
  border-radius: 50% 50% 46% 54% / 56% 54% 46% 44%;
  background:
    linear-gradient(72deg, rgba(20, 16, 12, 0) 47%, rgba(20, 16, 12, 0.28) 48%, rgba(20, 16, 12, 0.28) 51%, rgba(20, 16, 12, 0) 52%),
    radial-gradient(circle at 36% 30%, var(--apricot-soft), var(--apricot) 68%);
}

.page-home .home-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: var(--bw) solid var(--charcoal);
  border-radius: var(--r-lg);
  box-shadow: 12px 12px 0 var(--ink);
}

/* ============ 首屏章节卡组 ============ */

.page-home .chapter-deck {
  margin: clamp(34px, 5vw, 64px) auto 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--home-gap);
}

.page-home .chapter-card {
  display: flex;
}

.page-home .chapter-card > a {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--home-pad);
  color: var(--ink);
  text-decoration: none;
  background: var(--rice);
  border: var(--bw) solid var(--charcoal);
  border-radius: var(--r);
  box-shadow: var(--shadow-hard);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
}

.page-home .chapter-card > a:hover,
.page-home .chapter-card > a:focus-visible {
  transform: translateY(-6px);
  background: #ffffff;
  box-shadow: 8px 8px 0 var(--charcoal), 0 20px 34px rgba(20, 16, 12, 0.18);
}

.page-home .chapter-card__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink);
  background: var(--apricot);
  border: 2px solid var(--charcoal);
  border-radius: 50%;
}

.page-home .chapter-card__name {
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  line-height: 1.35;
}

.page-home .chapter-card__note {
  margin-top: auto;
  font-size: 14px;
  line-height: 1.7;
  color: var(--taupe);
}

/* ============ 账户中心三栏目 ============ */

.page-home .hub-grid {
  display: grid;
  gap: var(--home-gap);
  margin-top: clamp(26px, 3.6vw, 44px);
}

.page-home .hub-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--home-pad);
  background: var(--rice);
  border: var(--bw) solid var(--charcoal);
  border-radius: var(--r);
  box-shadow: var(--shadow-hard);
}

.page-home .hub-card .plaque-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 24px);
  color: var(--ink);
}

.page-home .hub-card .plaque-card__body {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--charcoal);
}

.page-home .hub-card .plaque-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--bamboo);
}

.page-home .hub-card__link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 3px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--apricot);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

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

/* ============ 目录版本与对照表 ============ */

.page-home .catalog-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 42px);
  align-items: start;
  margin-top: clamp(26px, 3.6vw, 44px);
}

.page-home .catalog-figure {
  margin: 0;
  border: var(--bw) solid var(--charcoal);
  border-radius: var(--r);
  overflow: hidden;
  background: linear-gradient(150deg, var(--apricot-soft), var(--apricot));
  box-shadow: var(--shadow-hard);
}

.page-home .catalog-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .catalog-figure figcaption {
  padding: 12px 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--apricot-soft);
  border-top: 2px solid var(--charcoal);
}

.page-home .catalog-body .ledger-wrap {
  overflow-x: auto;
  border: var(--bw) solid var(--charcoal);
  border-radius: var(--r);
  background: #ffffff;
  box-shadow: var(--shadow-hard);
}

.page-home .catalog-body .ledger {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-home .catalog-body .ledger caption {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--ink);
  background: var(--apricot-soft);
  border-bottom: 2px solid var(--charcoal);
}

.page-home .catalog-body .ledger th,
.page-home .catalog-body .ledger td {
  padding: 12px 14px;
  text-align: left;
  line-height: 1.7;
  border-bottom: 1px solid rgba(20, 16, 12, 0.14);
  color: var(--charcoal);
  vertical-align: top;
}

.page-home .catalog-body .ledger thead th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--ink);
  background: rgba(247, 217, 160, 0.45);
  border-bottom: 2px solid var(--charcoal);
  white-space: nowrap;
}

.page-home .catalog-body .ledger td.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  color: var(--wood);
  white-space: nowrap;
}

.page-home .catalog-body .ledger tbody tr[data-state="highlight"] {
  background: rgba(194, 64, 46, 0.07);
  box-shadow: inset 4px 0 0 var(--cinnabar);
}

.page-home .catalog-body .ledger tbody tr:last-child th,
.page-home .catalog-body .ledger tbody tr:last-child td {
  border-bottom: 0;
}

.page-home .catalog-foot {
  margin: clamp(16px, 2.2vw, 24px) 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--taupe);
}

.page-home .catalog-foot a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--apricot);
}

.page-home .catalog-foot a:hover,
.page-home .catalog-foot a:focus-visible {
  color: var(--cinnabar);
  border-bottom-color: var(--cinnabar);
}

/* ============ 深底速览区 ============ */

.page-home .section--ink .eyebrow {
  color: var(--apricot-soft);
}

.page-home .section--ink .section-title {
  color: var(--rice);
}

.page-home .section--ink .lede {
  color: rgba(253, 246, 233, 0.8);
}

.page-home .tablet-grid {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  align-items: start;
  margin-top: clamp(26px, 3.6vw, 44px);
}

.page-home .metric-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-home .metric-card {
  display: grid;
  grid-template-columns: minmax(104px, auto) 1fr;
  gap: 4px 18px;
  align-items: center;
  padding: var(--home-pad);
  border: var(--bw) solid var(--apricot);
  border-radius: var(--r);
  background: linear-gradient(140deg, rgba(247, 217, 160, 0.14), rgba(247, 217, 160, 0));
}

.page-home .metric-card__value {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(19px, 2.6vw, 28px);
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: var(--apricot-soft);
}

.page-home .metric-card__label {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(17px, 1.8vw, 20px);
  color: var(--rice);
}

.page-home .metric-card__note {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(253, 246, 233, 0.76);
}

.page-home .tablet-figure {
  margin: 0;
  border: var(--bw) solid var(--apricot);
  border-radius: var(--r);
  overflow: hidden;
  background: linear-gradient(150deg, var(--ink-2), var(--ink));
}

.page-home .tablet-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .tablet-cta {
  margin: clamp(22px, 3vw, 34px) 0 0;
}

.page-home .tablet-cta .btn {
  text-decoration: none;
}

/* ============ 入口指引 ============ */

.page-home .route-list {
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--bw) solid var(--charcoal);
}

.page-home .route-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 20px;
  padding: clamp(18px, 2.4vw, 28px) 0;
  border-bottom: 2px solid rgba(20, 16, 12, 0.14);
  transition: background 0.25s var(--ease);
}

.page-home .route-item:hover {
  background: rgba(232, 150, 60, 0.08);
}

.page-home .route-item__letter {
  grid-row: span 2;
  align-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--ink);
  background: var(--apricot-soft);
  border: 2px solid var(--charcoal);
  border-radius: 50%;
}

.page-home .route-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.5;
  color: var(--ink);
}

.page-home .route-item__body {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--charcoal);
}

.page-home .route-cta {
  margin: clamp(22px, 3vw, 32px) 0 0;
}

.page-home .route-cta .btn {
  text-decoration: none;
}

/* ============ 底部全站目录 ============ */

.page-home .section--apricot .eyebrow {
  color: var(--ink);
}

.page-home .section--apricot .section-title,
.page-home .section--apricot .lede {
  color: var(--ink);
}

.page-home .basket-figure {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  border: var(--bw) solid var(--charcoal);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(150deg, var(--apricot-soft), var(--apricot-deep));
  box-shadow: var(--shadow-hard);
}

.page-home .basket-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
}

.page-home .index-band {
  margin-top: clamp(24px, 3.4vw, 38px);
  padding: clamp(18px, 2.4vw, 30px);
  background: var(--rice);
  border: var(--bw) solid var(--charcoal);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-hard);
}

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

.page-home .index-list li {
  border-bottom: 1px solid rgba(20, 16, 12, 0.16);
}

.page-home .index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 8px;
  font-size: 15.5px;
  color: var(--ink);
  text-decoration: none;
  border-left: 4px solid transparent;
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-home .index-list a .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--wood);
}

.page-home .index-list a:hover,
.page-home .index-list a:focus-visible {
  background: rgba(194, 64, 46, 0.08);
  border-left-color: var(--cinnabar);
}

/* ============ 响应式 ============ */

@media (min-width: 640px) {
  .page-home .chapter-deck {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-home .index-list {
    grid-template-columns: repeat(2, 1fr);
    column-gap: clamp(18px, 3vw, 44px);
  }
}

@media (min-width: 900px) {
  .page-home .home-hero__inner {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-home .catalog-grid {
    grid-template-columns: 5fr 7fr;
  }

  .page-home .tablet-grid {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

@media (min-width: 1020px) {
  .page-home .hub-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-home .index-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1080px) {
  .page-home .chapter-deck {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-home .chapter-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-home .chapter-card:nth-child(3) {
    margin-top: -12px;
  }

  .page-home .chapter-card:nth-child(4) {
    margin-top: 30px;
  }
}

@media (max-width: 640px) {
  .page-home .metric-card {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .page-home .metric-card__value {
    grid-row: auto;
  }

  .page-home .metric-card__note {
    grid-column: 1;
  }

  .page-home .home-hero__img {
    box-shadow: 8px 8px 0 var(--ink);
  }

  .page-home .ratio-list,
  .page-home .index-list a {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .chapter-card > a,
  .page-home .hub-card__link,
  .page-home .route-item,
  .page-home .index-list a {
    transition: none;
  }

  .page-home .chapter-card > a:hover,
  .page-home .chapter-card > a:focus-visible {
    transform: none;
  }
}