.page-home {
  --home-hair: 1px solid var(--ink-700);
  --home-hair-soft: 1px solid rgba(28, 49, 72, .62);
  --home-panel-bg: rgba(18, 34, 51, .62);
  --home-card-bg: rgba(18, 34, 51, .45);
  background-color: var(--deep-ink-900);
  color: var(--warm-beige);
}

/* ---------- 首屏框景 ---------- */
.page-home .hero {
  padding: clamp(18px, 3.2vw, 38px) var(--gutter) clamp(28px, 4.6vw, 60px);
  background-image:
    radial-gradient(115% 85% at 88% 6%, rgba(46, 230, 168, .08), transparent 56%),
    radial-gradient(85% 65% at 4% 100%, rgba(255, 122, 26, .07), transparent 62%);
  background-color: var(--deep-ink-900);
}

.page-home .hero-frame {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  border: var(--home-hair);
  background: linear-gradient(180deg, rgba(18, 34, 51, .78) 0%, rgba(11, 22, 34, .94) 100%);
  box-shadow: 0 40px 90px -62px rgba(0, 0, 0, .95);
  overflow: hidden;
}

.page-home .hero-frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: clamp(8px, 1.2vw, 12px);
  background-image: repeating-linear-gradient(
    180deg,
    rgba(159, 176, 192, .42) 0 1px,
    transparent 1px 30px
  );
  pointer-events: none;
}

.page-home .hero-frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--signal-orange) 0%, var(--terminal-green) 42%, rgba(11, 22, 34, 0) 100%);
  pointer-events: none;
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.6vw, 46px);
  padding: clamp(22px, 3.4vw, 44px) clamp(18px, 3vw, 38px) clamp(18px, 2.6vw, 30px) clamp(20px, 3vw, 38px);
}

.page-home .hero h1 {
  margin: 12px 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -.025em;
  color: var(--paper);
  max-width: 15em;
  text-wrap: balance;
}

.page-home .hero-lede {
  margin: 0 0 26px;
  max-width: 36em;
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.8;
  color: var(--warm-beige);
}

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

.page-home .hero-visual {
  min-width: 0;
}

.page-home .hero-foot {
  margin: 0;
  padding: clamp(13px, 1.8vw, 17px) clamp(18px, 3vw, 38px) clamp(13px, 1.8vw, 17px) clamp(20px, 3vw, 38px);
  border-top: var(--home-hair-soft);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--grey-mist);
}

/* ---------- 版本锚点块 ---------- */
.page-home .version-anchor {
  border: var(--home-hair);
  border-left: 2px solid var(--signal-orange);
  background: rgba(11, 22, 34, .74);
  padding: 18px 20px 20px;
  margin-bottom: 26px;
}

.page-home .version-anchor-head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--grey-mist);
}

.page-home .version-number {
  margin: 14px 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(38px, 6.6vw, 66px);
  line-height: 1;
  letter-spacing: -.015em;
  color: var(--terminal-green);
  word-break: break-word;
}

.page-home .version-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding-top: 14px;
  border-top: var(--home-hair-soft);
}

.page-home .version-meta dt {
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--grey-mist);
}

.page-home .version-meta dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--warm-beige);
}

/* ---------- 纵向轨道 ---------- */
.page-home .rail {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(38px, 6vw, 78px) var(--gutter);
  border-top: var(--home-hair-soft);
}

.page-home .rail-head {
  display: grid;
  gap: 12px;
  max-width: 74ch;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-home .rail-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(42px, 7vw, 86px);
  line-height: .82;
  letter-spacing: -.045em;
  color: rgba(159, 176, 192, .18);
  -webkit-text-stroke: 1px rgba(159, 176, 192, .52);
  paint-order: stroke fill;
}

.page-home .rail-title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.24;
  letter-spacing: -.018em;
  color: var(--paper);
}

.page-home .rail-lede {
  margin: 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--grey-mist);
}

.page-home .rail-media {
  margin-top: clamp(24px, 4vw, 42px);
}

.page-home .rail-more {
  margin: 18px 0 0;
}

.page-home .link-more {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--signal-orange);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(255, 122, 26, .42);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-home .link-more:hover,
.page-home .link-more:focus-visible {
  color: var(--focus-ring);
  border-bottom-color: var(--focus-ring);
}

/* ---------- 图片容器 ---------- */
.page-home .media-frame {
  margin: 0;
  border: var(--home-hair);
  background: var(--deep-ink-800);
  overflow: hidden;
}

.page-home .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--deep-ink-800);
}

.page-home .media-caption {
  display: block;
  padding: 10px 13px 11px;
  border-top: var(--home-hair-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--grey-mist);
}

/* ---------- 01 版本规格面板 ---------- */
.page-home .spec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ink-700);
  border: var(--home-hair);
}

.page-home .spec-cell {
  background: var(--deep-ink-800);
  padding: 20px 20px 22px;
  transition: background .3s var(--ease);
}

.page-home .spec-cell:hover {
  background: #16293d;
}

.page-home .spec-label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--terminal-green);
}

.page-home .spec-value {
  margin: 0 0 6px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--paper);
  font-weight: 500;
}

.page-home .spec-note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--grey-mist);
}

.page-home .stat-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 18px;
  background: var(--ink-700);
  border: var(--home-hair);
}

.page-home .stat-cell {
  background: rgba(11, 22, 34, .82);
  padding: 18px 18px 20px;
}

.page-home .stat-num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--signal-orange);
}

.page-home .stat-label {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--grey-mist);
}

/* ---------- 02 路径卡 ---------- */
.page-home .path-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .path-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 22px 20px 20px 24px;
  border: var(--home-hair);
  background: var(--home-card-bg);
  color: inherit;
  text-decoration: none;
  transition: border-color .28s var(--ease), background .28s var(--ease);
}

.page-home .path-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 2px;
  background: var(--ink-700);
  transition: background .28s var(--ease);
}

.page-home .path-card:hover,
.page-home .path-card:focus-visible {
  border-color: rgba(255, 122, 26, .65);
  background: rgba(28, 49, 72, .62);
}

.page-home .path-card:hover::before,
.page-home .path-card:focus-visible::before {
  background: var(--signal-orange);
}

.page-home .path-card-index {
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--terminal-green);
}

.page-home .path-card-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -.012em;
  color: var(--paper);
}

.page-home .path-card-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey-mist);
}

.page-home .path-card-go {
  margin-top: auto;
  padding-top: 8px;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--signal-orange);
}

/* ---------- 03 快照 ---------- */
.page-home .snap-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .snap-panel {
  border: var(--home-hair);
  background: var(--home-panel-bg);
  padding: clamp(20px, 3vw, 30px);
}

.page-home .snap-head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: var(--home-hair-soft);
}

.page-home .snap-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.012em;
  color: var(--paper);
}

.page-home .tier-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-home .tier-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.page-home .tier-index {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--terminal-green);
}

.page-home .tier-body {
  min-width: 0;
}

.page-home .tier-name {
  margin: 0 0 4px;
  font-size: 15.5px;
  font-weight: 500;
  color: var(--warm-beige);
}

.page-home .tier-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--grey-mist);
}

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

.page-home .zone-item {
  display: flex;
  flex-wrap: wrap;
  gap: 3px 14px;
  align-items: baseline;
  justify-content: space-between;
  padding: 11px 0;
  border-bottom: var(--home-hair-soft);
}

.page-home .zone-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .zone-name {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--warm-beige);
}

.page-home .zone-note {
  font-size: 12.5px;
  color: var(--grey-mist);
}

.page-home .snap-update {
  margin-top: 16px;
  padding: 20px clamp(18px, 3vw, 28px) 22px;
  border: var(--home-hair);
  border-left: 2px solid var(--terminal-green);
  background: rgba(11, 22, 34, .6);
}

.page-home .snap-update-label {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--terminal-green);
}

.page-home .snap-update-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .snap-update-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm-beige);
}

.page-home .snap-update-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--signal-orange);
}

/* ---------- 04 资料库 ---------- */
.page-home .lib-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 42px);
}

.page-home .lib-figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  align-content: start;
  background: var(--ink-700);
  border: var(--home-hair);
}

.page-home .lib-figure {
  background: var(--deep-ink-800);
  padding: 22px 20px;
}

.page-home .lib-num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.4vw, 44px);
  line-height: 1;
  letter-spacing: -.025em;
  color: var(--terminal-green);
}

.page-home .lib-label {
  font-size: 13px;
  line-height: 1.55;
  color: var(--grey-mist);
}

.page-home .lib-dims-title {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-home .dim-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ink-700);
  border: var(--home-hair);
}

.page-home .dim-item {
  background: var(--deep-ink-900);
  padding: 16px 18px 18px;
  transition: background .28s var(--ease);
}

.page-home .dim-item:hover {
  background: #16293d;
}

.page-home .dim-name {
  display: block;
  margin-bottom: 6px;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--terminal-green);
}

.page-home .dim-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--warm-beige);
}

.page-home .lib-note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--grey-mist);
}

/* ---------- 05 联系与索引 ---------- */
.page-home .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.4vw, 40px);
}

.page-home .index-block-title,
.page-home .contact-block-title {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--grey-mist);
}

.page-home .index-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--ink-700);
  border: var(--home-hair);
}

.page-home .index-cell {
  display: flex;
  align-items: baseline;
  gap: 10px;
  background: var(--deep-ink-800);
  padding: 16px 16px 17px;
  font-size: 14.5px;
  color: var(--warm-beige);
}

.page-home .index-no {
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--signal-orange);
}

.page-home .index-note {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--grey-mist);
}

.page-home .contact-list {
  margin: 0;
  padding: 0;
  border-top: var(--home-hair-soft);
}

.page-home .contact-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: var(--home-hair-soft);
}

.page-home .contact-row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--grey-mist);
}

.page-home .contact-row dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-home .contact-row dd a {
  color: var(--terminal-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 168, .32);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-home .contact-row dd a:hover,
.page-home .contact-row dd a:focus-visible {
  color: var(--focus-ring);
  border-bottom-color: var(--focus-ring);
}

.page-home .contact-note {
  margin: 18px 0 20px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--grey-mist);
}

.page-home a:focus-visible,
.page-home .btn:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-home .version-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .contact-row {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 768px) {
  .page-home .path-grid,
  .page-home .snap-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 920px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-home .spec-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .lib-layout {
    grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  }

  .page-home .lib-figures {
    grid-template-columns: 1fr;
  }

  .page-home .contact-layout {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .path-card,
  .page-home .spec-cell,
  .page-home .dim-item,
  .page-home .link-more,
  .page-home .contact-row dd a {
    transition: none;
  }
}
<<<END>>>