.page-home {
  font-family: var(--font-body);
  color: var(--ink-900);
  overflow-x: clip;
}

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

.page-home .home-sec {
  padding-block: clamp(48px, 8vw, 120px);
}

.page-home > .zone:first-child {
  border-top: 0;
}

.page-home .zone--ink {
  background: var(--ink-900);
  color: var(--porcelain-000);
  border-top: 1px solid var(--hairline-gold);
}

.page-home .zone--deep {
  background: var(--ink-700);
  color: var(--porcelain-000);
  border-top: 1px solid var(--hairline-gold);
}

.page-home .zone--paper {
  background: var(--paper-050);
  color: var(--ink-900);
  border-top: 1px solid var(--hairline-ink);
}

.page-home .zone--paper-2 {
  background: var(--paper-200);
  color: var(--ink-900);
  border-top: 1px solid var(--hairline-ink);
}

.page-home .zone-mark {
  flex: none;
  color: var(--gold-600);
}

.page-home .zone--ink .zone-mark,
.page-home .zone--deep .zone-mark {
  color: var(--gold-300);
}

.page-home .zone-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: clamp(16px, 3vw, 40px);
}

.page-home .zone-head-text {
  max-width: 46rem;
}

.page-home .t-h2 {
  margin-top: 0.35em;
}

.page-home .section-lede {
  max-width: 40em;
  margin-top: 0.9em;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--muted-500);
}

.page-home .zone--ink .section-lede,
.page-home .zone--deep .section-lede {
  color: var(--blue-200);
}

.page-home .home-note {
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted-500);
}

.page-home .zone--ink .home-note,
.page-home .zone--deep .home-note {
  color: var(--blue-200);
}

/* ---------- 首屏目录 ---------- */
.page-home .home-breadcrumb {
  margin-bottom: clamp(18px, 3vw, 32px);
}

.page-home .home-title {
  max-width: 20ch;
  margin-top: 0.4em;
}

.page-home .home-intro-body {
  max-width: 42em;
  margin-top: clamp(16px, 2.4vw, 28px);
}

.page-home .lede {
  font-size: 1.0625rem;
  line-height: 1.9;
}

.page-home .home-toc {
  list-style: none;
  margin: clamp(32px, 5vw, 60px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hairline-ink);
}

.page-home .toc-item {
  display: grid;
  gap: 8px;
  padding: 20px 0 22px;
  background: var(--paper-050);
}

.page-home .toc-no {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--gold-600);
}

.page-home .toc-link {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}

.page-home .toc-link:hover,
.page-home .toc-link:focus-visible {
  color: var(--blue-700);
}

.page-home .toc-note {
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--muted-500);
}

/* ---------- 4127 停顿区 ---------- */
.page-home .halt-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-home .halt-eyebrow {
  color: var(--gold-300);
}

.page-home .halt-detail > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3em 0.45em;
  margin-top: 0.35em;
  list-style: none;
  cursor: pointer;
}

.page-home .halt-detail > summary::-webkit-details-marker {
  display: none;
}

.page-home .stat-figure {
  font-family: var(--font-mono);
  font-size: clamp(4rem, 19vw, 11rem);
  font-weight: 800;
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: var(--gold-300);
}

.page-home .stat-unit {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3vw, 1.6rem);
  letter-spacing: 0.06em;
  color: var(--porcelain-000);
}

.page-home .halt-hint {
  flex-basis: 100%;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--blue-200);
  border-bottom: 1px dashed currentColor;
}

.page-home .halt-detail[open] .halt-hint {
  color: var(--gold-300);
}

.page-home .halt-body {
  margin-top: clamp(20px, 3vw, 32px);
  padding-left: 16px;
  border-left: 3px solid var(--gold-600);
  max-width: 38em;
}

.page-home .halt-body p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--paper-050);
}

.page-home .halt-body p + p {
  margin-top: 0.8em;
}

.page-home .halt-note {
  margin-top: clamp(20px, 3vw, 32px);
}

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

.page-home .halt-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ---------- 改版导读 ---------- */
.page-home .revision-list {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hairline-ink);
  counter-reset: revno;
}

.page-home .revision-list .index-item {
  counter-increment: revno;
  padding: 22px 0 24px;
  background: var(--paper-050);
}

.page-home .revision-list .index-no {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--gold-600);
}

.page-home .revision-list .index-title {
  margin: 0.5em 0 0.4em;
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.page-home .revision-list .index-meta {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--muted-500);
}

.page-home .index-link,
.page-home .path-link,
.page-home .closing-link {
  color: var(--blue-700);
  text-decoration: none;
  border-bottom: 1px solid var(--blue-200);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.page-home .index-link:hover,
.page-home .path-link:hover,
.page-home .closing-link:hover,
.page-home .index-link:focus-visible,
.page-home .path-link:focus-visible,
.page-home .closing-link:focus-visible {
  color: var(--gold-600);
  border-bottom-color: var(--gold-600);
}

/* ---------- 六栏 ---------- */
.page-home .col-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-home .col-list {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  border-top: 1px solid var(--hairline-gold);
  counter-reset: colno;
}

.page-home .col-item {
  counter-increment: colno;
  border-bottom: 1px solid var(--hairline-gold);
}

.page-home .col-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  row-gap: 6px;
  padding: 18px 0;
  color: inherit;
  text-decoration: none;
  transition: background-color var(--dur-fast) var(--ease);
}

.page-home .col-link::before {
  content: "C-0" counter(colno);
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--gold-300);
  padding-top: 0.35em;
}

.page-home .col-name {
  grid-column: 2;
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--porcelain-000);
}

.page-home .col-note {
  grid-column: 2;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--blue-200);
  transition: max-height var(--dur-mid) var(--ease), opacity var(--dur-mid) var(--ease);
}

.page-home .col-link:hover .col-name,
.page-home .col-link:focus-visible .col-name {
  color: var(--gold-300);
}

.page-home .col-link:hover .col-note,
.page-home .col-link:focus-visible .col-note {
  max-height: 4em;
  opacity: 1;
}

.page-home .col-footnote {
  margin-top: clamp(20px, 3vw, 32px);
}

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

.page-home .porcelain-media img {
  width: 100%;
  aspect-ratio: 5 / 6;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* ---------- 条款与版本 ---------- */
.page-home .version-grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

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

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

.page-home .code-list {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-home .code-row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--hairline-ink);
}

.page-home .code-term {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--gold-600);
}

.page-home .code-desc {
  margin: 0;
  max-width: 38em;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink-900);
}

.page-home .num {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--blue-700);
}

.page-home .disclosure-list {
  margin-top: clamp(24px, 4vw, 40px);
}

.page-home .disclosure {
  border-top: 1px solid var(--hairline-ink);
  padding: 4px 0;
}

.page-home .disclosure:last-child {
  border-bottom: 1px solid var(--hairline-ink);
}

.page-home .disclosure > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 18px 0 18px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.4;
  border-left: 3px solid transparent;
  transition: border-color var(--dur-fast) var(--ease), padding-left var(--dur-mid) var(--ease), color var(--dur-fast) var(--ease);
}

.page-home .disclosure > summary::-webkit-details-marker {
  display: none;
}

.page-home .disclosure > summary:hover {
  color: var(--blue-700);
}

.page-home .disclosure[open] > summary {
  border-left-color: var(--gold-600);
  padding-left: 14px;
}

.page-home .disclosure-no {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--gold-600);
  flex: none;
  padding-top: 0.35em;
}

.page-home .disclosure-body {
  padding: 0 0 20px 14px;
}

.page-home .disclosure-body p {
  max-width: 38em;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--muted-500);
}

/* ---------- 回访路径 ---------- */
.page-home .desk-media {
  margin: 0 0 clamp(36px, 6vw, 64px);
}

.page-home .desk-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-home .paths-head {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-home .path-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hairline-gold);
}

.page-home .path-item {
  display: grid;
  gap: 8px;
  padding: 22px 0 24px;
  background: var(--ink-900);
}

.page-home .path-no {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--gold-300);
}

.page-home .path-title {
  margin: 0;
  font-family: var(--font-title);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--porcelain-000);
}

.page-home .path-note {
  max-width: 36em;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--blue-200);
}

.page-home .path-link {
  color: var(--gold-300);
  border-bottom-color: var(--hairline-gold);
}

.page-home .path-link:hover,
.page-home .path-link:focus-visible {
  color: var(--porcelain-000);
  border-bottom-color: var(--porcelain-000);
}

/* ---------- 收束 ---------- */
.page-home .home-closing {
  padding-block: clamp(72px, 13vw, 190px);
}

.page-home .closing-line {
  max-width: 24em;
  font-family: var(--font-title);
  font-size: clamp(1.4rem, 4.4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--ink-900);
}

.page-home .closing-note {
  max-width: 40em;
  margin-top: clamp(20px, 3vw, 32px);
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--muted-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 780px) {
  .page-home .home-toc {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
  }

  .page-home .toc-item {
    padding: 22px 24px 26px;
  }

  .page-home .toc-item:first-child {
    padding-left: 0;
  }

  .page-home .revision-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 48px);
    background: none;
  }

  .page-home .revision-list .index-item {
    background: var(--paper-050);
    border-top: 1px solid var(--hairline-ink);
  }

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

@media (min-width: 900px) {
  .page-home .halt-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

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

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

@media (min-width: 1040px) {
  .page-home .media-frame--offset-right {
    width: 112%;
    max-width: none;
    margin-right: -12%;
  }

  .page-home .ticket-media {
    width: 108%;
    max-width: none;
    margin-left: -8%;
  }
}

@media (hover: none) {
  .page-home .col-note {
    max-height: none;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .col-note,
  .page-home .disclosure > summary,
  .page-home .col-link,
  .page-home .toc-link,
  .page-home .index-link,
  .page-home .path-link,
  .page-home .closing-link {
    transition: none;
  }
}