.page-home {
  --home-soft: rgba(242, 237, 227, 0.82);
  --home-faint: rgba(242, 237, 227, 0.58);
  --home-veil: rgba(11, 27, 43, 0.58);
  --home-ink-soft: rgba(11, 27, 43, 0.76);
  --home-gap: clamp(56px, 9vw, 140px);
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

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

.page-home h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.55rem, 3.6vw, 2.4rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 14px 0 0;
}

.page-home h3 {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.0625rem;
  color: inherit;
  margin: 0 0 10px;
}

.page-home p {
  margin: 0;
  line-height: 1.85;
}

.page-home .eyebrow {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--amber);
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(28px, 4vw, 48px) 0 clamp(56px, 8vw, 112px);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--line-stone) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-stone) 1px, transparent 1px);
  background-size: var(--grid-unit) var(--grid-unit);
  -webkit-mask-image: radial-gradient(130% 100% at 72% 26%, #000 8%, transparent 74%);
  mask-image: radial-gradient(130% 100% at 72% 26%, #000 8%, transparent 74%);
  opacity: 0.7;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--amber), transparent);
  opacity: 0.45;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 6vw, 64px);
  align-items: center;
}

.page-home .hero-narrative .breadcrumb {
  margin-bottom: 20px;
}

.page-home .hero h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2rem, 6.4vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--white);
  margin: 16px 0 0;
  overflow-wrap: anywhere;
}

.page-home .h1-sub {
  display: block;
  margin-top: 0.5em;
  font-size: 0.5em;
  line-height: 1.4;
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-home .hero-lead {
  margin-top: clamp(20px, 3vw, 28px);
  max-width: 34em;
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  color: var(--home-soft);
}

.page-home .hero-sub {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--home-faint);
}

.page-home .hero-actions {
  margin-top: clamp(26px, 4vw, 36px);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-home .hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
}

.page-home .hero-plate {
  position: absolute;
  inset: auto -8% -8% -8%;
  z-index: 1;
  opacity: 0.26;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, #000 42%, #000 74%, transparent 100%);
  mask-image: linear-gradient(to bottom, transparent 0%, #000 42%, #000 74%, transparent 100%);
}

.page-home .hero-plate img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .coord-svg {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 440px;
  height: auto;
  display: block;
}

.page-home .coord-frame {
  fill: none;
  stroke: var(--line-dark);
  stroke-width: 1;
}

.page-home .coord-grid-lines line {
  stroke: var(--line-stone);
  stroke-width: 1;
}

.page-home .coord-ticks line {
  stroke: var(--amber);
  stroke-opacity: 0.55;
  stroke-width: 1;
}

.page-home .node-links line {
  stroke: var(--amber);
  stroke-opacity: 0.32;
  stroke-width: 1;
  stroke-dasharray: 3 6;
}

.page-home .coord-cross line {
  stroke: var(--amber);
  stroke-opacity: 0.6;
  stroke-width: 1;
}

.page-home .cross-ring {
  fill: none;
  stroke: var(--amber);
  stroke-opacity: 0.7;
  stroke-width: 1;
}

.page-home .cross-core {
  fill: var(--amber);
}

.page-home .origin-label {
  fill: var(--stone);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.page-home .coord-node {
  cursor: pointer;
  outline: none;
}

.page-home .node-dot {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 2;
  transition: fill 160ms var(--ease);
}

.page-home .node-code {
  fill: var(--amber);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-home .node-name {
  fill: var(--white);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  transition: fill 160ms var(--ease);
}

.page-home .node-sub {
  fill: var(--stone);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  opacity: 0;
  transition: opacity 160ms var(--ease);
}

.page-home .coord-node:hover .node-dot,
.page-home .coord-node:focus-visible .node-dot {
  fill: var(--signal);
}

.page-home .coord-node:hover .node-name,
.page-home .coord-node:focus-visible .node-name {
  fill: var(--signal);
}

.page-home .coord-node:hover .node-sub,
.page-home .coord-node:focus-visible .node-sub {
  opacity: 1;
}

/* ---------- 区块通用 ---------- */
.page-home .steps-band,
.page-home .archive-band,
.page-home .consult-band {
  position: relative;
  padding: clamp(56px, 8vw, 112px) 0;
}

.page-home .band-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 32px);
  margin-bottom: clamp(34px, 5vw, 60px);
}

.page-home .band-lead,
.page-home .version-lead,
.page-home .consult-lead {
  margin-top: 16px;
  max-width: 38em;
  color: var(--home-soft);
  font-size: 1rem;
}

.page-home .band-head-media {
  margin: 0;
  border: 1px solid var(--line-dark);
}

.page-home .band-head-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 三步指引 ---------- */
.page-home .steps-band {
  background: var(--ink-2);
}

.page-home .steps-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-home .step-card {
  position: relative;
  padding: 26px 22px 22px;
  border: 1px solid var(--line-ink);
  color: var(--ink);
}

.page-home .step-card .stamp {
  display: inline-flex;
  margin-bottom: 16px;
}

.page-home .step-card p {
  color: var(--home-ink-soft);
  font-size: 0.9375rem;
}

.page-home .step-card > h3 {
  color: var(--ink);
}

.page-home .step-card .disclosure {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line-ink);
}

.page-home .step-card .disclosure-trigger {
  color: var(--ink-2);
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 500;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

.page-home .step-card .disclosure-body p {
  margin-top: 10px;
  font-size: 0.875rem;
}

.page-home .step-link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid var(--clay);
  padding-bottom: 2px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

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

/* ---------- 资料概览 ---------- */
.page-home .archive-band {
  background: var(--ink-2);
  overflow: hidden;
}

.page-home .archive-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.17;
  z-index: 0;
}

.page-home .archive-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, var(--ink) 0%, var(--home-veil) 38%, var(--ink-2) 100%);
}

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

.page-home .stat-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-bottom: clamp(36px, 5vw, 60px);
  border-top: 1px solid var(--line-dark);
}

.page-home .stat {
  padding: 18px 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-home .stat-num {
  display: block;
  font-family: var(--mono);
  font-size: clamp(1.35rem, 2.8vw, 1.9rem);
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-home .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.875rem;
  color: var(--home-faint);
}

.page-home .archive-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

.page-home .prefix-panel h3 {
  color: var(--white);
}

.page-home .prefix-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.page-home .prefix-list li {
  display: flex;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-stone);
}

.page-home .prefix {
  flex: 0 0 34px;
  font-family: var(--mono);
  font-size: 0.9375rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-home .prefix-body {
  display: block;
  min-width: 0;
}

.page-home .prefix-name {
  display: block;
  color: var(--white);
  font-weight: 500;
  font-size: 0.9375rem;
}

.page-home .prefix-desc {
  display: block;
  margin-top: 4px;
  font-size: 0.875rem;
  color: var(--home-faint);
  line-height: 1.7;
}

.page-home .code-note {
  margin-top: 24px;
}

.page-home .code-sample {
  font-family: var(--mono);
  font-size: clamp(1.1rem, 2.2vw, 1.375rem);
  letter-spacing: 0.12em;
  color: var(--paper);
  border-left: 2px solid var(--clay);
  padding-left: 14px;
}

.page-home .code-note p:last-child {
  margin-top: 12px;
  font-size: 0.875rem;
  color: var(--home-soft);
}

.page-home .batch-panel {
  padding: 26px 22px;
  border: 1px solid var(--line-dark);
  background: rgba(11, 27, 43, 0.55);
  align-self: start;
}

.page-home .batch-panel h3 {
  margin-top: 12px;
  color: var(--white);
  font-family: var(--serif);
  font-size: 1.25rem;
}

.page-home .batch-panel p {
  margin-top: 14px;
  font-size: 0.9375rem;
  color: var(--home-soft);
}

.page-home .batch-panel .btn {
  margin-top: 22px;
}

/* ---------- 版本脉络 ---------- */
.page-home .version-band {
  background: var(--paper);
  color: var(--ink);
  padding: clamp(56px, 9vw, 132px) 0;
}

.page-home .version-band .eyebrow {
  color: var(--clay);
}

.page-home .version-band h2 {
  color: var(--ink);
}

.page-home .version-band p {
  color: var(--home-ink-soft);
}

.page-home .version-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-home .version-media {
  margin: 0;
  border: 1px solid var(--line-ink);
}

.page-home .version-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .timeline {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  position: relative;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--clay), var(--amber));
}

.page-home .timeline li {
  position: relative;
  padding: 0 0 24px 32px;
}

.page-home .timeline li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--paper);
  border: 1px solid var(--clay);
  transform: rotate(45deg);
}

.page-home .timeline li:last-child {
  padding-bottom: 0;
}

.page-home .ver-code {
  display: block;
  font-family: var(--mono);
  font-size: 0.875rem;
  letter-spacing: 0.14em;
  color: var(--clay);
  margin-bottom: 4px;
}

.page-home .timeline p {
  font-size: 0.9375rem;
}

.page-home .version-meta {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  color: var(--clay) !important;
}

.page-home .doc-link {
  display: inline-block;
  margin-top: 20px;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--clay);
  padding-bottom: 3px;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-home .doc-link:hover,
.page-home .doc-link:focus-visible {
  color: var(--clay);
  border-color: var(--signal);
}

/* ---------- 咨询 ---------- */
.page-home .consult-band {
  background: var(--ink);
  padding-bottom: clamp(72px, 11vw, 152px);
}

.page-home .consult-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--gutter);
  right: var(--gutter);
  height: 1px;
  background: var(--line-dark);
}

.page-home .consult-inner {
  max-width: 900px;
}

.page-home .contact-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px 32px;
  margin: clamp(28px, 4vw, 40px) 0 0;
  padding-top: clamp(24px, 3vw, 32px);
  border-top: 1px solid var(--line-stone);
}

.page-home .fact {
  min-width: 0;
}

.page-home .fact dt {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--stone);
}

.page-home .fact dd {
  margin: 8px 0 0;
  color: var(--white);
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.page-home .mono-val {
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

.page-home .consult-note {
  margin-top: clamp(24px, 3vw, 32px);
  max-width: 40em;
  font-size: 0.9375rem;
  color: var(--home-soft);
}

.page-home .consult-band .btn {
  margin-top: clamp(26px, 4vw, 36px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .stat-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-bottom: 1px solid var(--line-dark);
  }

  .page-home .stat {
    padding: 22px 22px 22px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line-dark);
  }

  .page-home .stat:nth-child(2n) {
    border-right: 0;
    padding-left: 22px;
  }

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

@media (min-width: 760px) {
  .page-home .steps-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .step-card:nth-child(2) {
    margin-top: 36px;
  }

  .page-home .step-card:nth-child(3) {
    margin-top: 72px;
  }
}

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

  .page-home .band-head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: clamp(32px, 5vw, 56px);
  }

  .page-home .archive-split {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }

  .page-home .version-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

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

  .page-home .stat:nth-child(2n) {
    padding-left: 0;
    border-right: 1px solid var(--line-dark);
  }

  .page-home .stat {
    padding-left: 22px;
  }

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

  .page-home .stat:last-child {
    border-right: 0;
  }

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

@media (min-width: 1100px) {
  .page-home .hero-visual {
    min-height: 460px;
  }

  .page-home .coord-svg {
    max-width: 480px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .coord-node,
  .page-home .node-dot,
  .page-home .node-name,
  .page-home .node-sub,
  .page-home .step-link,
  .page-home .doc-link {
    transition: none;
  }
}
<<<END>>>