.page-home {
  --home-rail: 96px;
  --home-panel: var(--ink-800);
  color: var(--fog-100);
  background: var(--ink-900);
  overflow-x: clip;
  padding-bottom: 64px;
}

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

.page-home .breadcrumb {
  padding-top: 24px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist-300);
}

.page-home [id] {
  scroll-margin-top: 108px;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  padding-top: 28px;
}

.page-home .hero-head {
  display: grid;
  gap: 32px;
}

.page-home .hero-lead {
  max-width: 640px;
}

.page-home .hero-lead .eyebrow {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--copper-300);
}

.page-home h1 {
  margin: 16px 0 0;
  font-family: var(--font-sans);
  font-size: clamp(34px, 7vw, 62px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--fog-100);
}

.page-home .hero-lede {
  margin: 20px 0 0;
  max-width: 620px;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--fog-100);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-home .hero-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--ink-800);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.5);
}

.page-home .hero-figure img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.9);
}

/* ---------- 章节预览地图 ---------- */
.page-home .hero-map {
  display: grid;
  gap: 16px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line-strong);
}

.page-home .hero-map__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--mist-300);
}

.page-home .hero-map__grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-home .path-card {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  color: var(--fog-100);
  text-decoration: none;
  transition: transform var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    background-color var(--dur-fast) var(--ease);
}

.page-home .path-card:hover,
.page-home .path-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--copper-500);
  background: var(--ink-700);
}

.page-home .path-card:focus-visible {
  outline: 2px solid var(--copper-500);
  outline-offset: 2px;
}

.page-home .path-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper-500);
}

.page-home .path-card__title {
  display: block;
  margin-top: 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
}

.page-home .path-card__desc {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist-300);
}

.page-home .path-card__stamp {
  display: block;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--copper-300);
}

/* ---------- 章节通用 ---------- */
.page-home .chapter {
  display: grid;
  gap: 20px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.page-home .chapter__rail {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-home .chapter__num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--copper-500);
}

.page-home .chapter__stamp {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-300);
}

.page-home .chapter__title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 36px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--fog-100);
}

.page-home .chapter__lede {
  margin: 16px 0 0;
  max-width: 640px;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--fog-100);
}

.page-home .chapter__action {
  margin: 24px 0 0;
}

/* ---------- 品类索引 ---------- */
.page-home .cat-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  margin-top: 26px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-home .cat-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  background: var(--ink-800);
}

.page-home .cat-item__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--fog-100);
}

.page-home .cat-item__meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--mist-300);
}

.page-home .cat-item__new {
  color: var(--copper-300);
}

.page-home .hint {
  margin-top: 20px;
  padding: 14px 16px;
  border-left: 2px solid var(--copper-500);
  background: var(--tint-copper);
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog-100);
}

.page-home .hint--tight {
  margin-top: 18px;
}

/* ---------- 双入口 ---------- */
.page-home .duo {
  display: grid;
  gap: 24px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.page-home .entry-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-strong);
  background: var(--ink-800);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.35);
}

.page-home .entry-card__plate {
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-home .entry-card__plate img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.8) brightness(0.86);
}

.page-home .entry-card__head {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--line);
}

.page-home .entry-card__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--copper-500);
}

.page-home .entry-card h2 {
  margin: 8px 0 0;
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 800;
  line-height: 1.22;
  color: var(--fog-100);
}

.page-home .entry-card__stamp {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--copper-300);
}

.page-home .entry-card__body {
  padding: 20px;
}

.page-home .entry-card__text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog-100);
}

.page-home .step-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-home .step-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fog-100);
}

.page-home .step-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  padding-top: 3px;
  letter-spacing: 0.04em;
  color: var(--copper-500);
}

/* ---------- 服清单图带 ---------- */
.page-home .table-band {
  margin: 32px 0 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-home .table-band img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.85);
}

.page-home .table-band figcaption {
  padding: 14px 18px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-300);
}

/* ---------- 包体对照 ---------- */
.page-home .spec-layout {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}

.page-home .spec-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr 1fr;
}

.page-home .spec-card {
  padding: 16px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  transition: border-color var(--dur-fast) var(--ease);
}

.page-home .spec-card:hover,
.page-home .spec-card:focus-within {
  border-color: var(--copper-500);
}

.page-home .spec-card:focus-visible {
  outline: 2px solid var(--copper-500);
  outline-offset: 2px;
}

.page-home .spec-card__label {
  display: block;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist-300);
}

.page-home .spec-card__value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--copper-300);
}

.page-home .spec-card__more {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist-300);
}

.page-home .spec-card--paper {
  background: var(--paper-050);
  border-color: var(--metal-hi);
}

.page-home .spec-card--paper .spec-card__label {
  color: #4c5a6b;
}

.page-home .spec-card--paper .spec-card__value {
  color: var(--paper-ink);
}

.page-home .spec-card--paper .spec-card__more {
  color: #3c4757;
}

.page-home .spec-figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-home .spec-figure img {
  width: 100%;
  aspect-ratio: 25 / 16;
  object-fit: cover;
  filter: saturate(0.75) brightness(0.9);
}

.page-home .spec-figure figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist-300);
}

/* ---------- 更新记录 ---------- */
.page-home .log {
  margin-top: 26px;
  border-top: 1px solid var(--line-strong);
}

.page-home .log__row {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--fog-100);
  transition: background-color var(--dur-fast) var(--ease);
}

.page-home .log__row:hover,
.page-home .log__row:focus-visible {
  background: var(--ink-800);
}

.page-home .log__row:focus-visible {
  outline: 2px solid var(--copper-500);
  outline-offset: 2px;
}

.page-home .log__cat {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--copper-500);
}

.page-home .log__title {
  font-size: 15px;
  line-height: 1.65;
}

.page-home .log__time {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--mist-300);
}

/* ---------- 服务咨询 ---------- */
.page-home .contact-block {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-home .channel-grid {
  display: grid;
  gap: 12px;
}

.page-home .channel,
.page-home .team-card {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-home .channel__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist-300);
}

.page-home .channel__value {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--copper-300);
  word-break: break-all;
}

.page-home .channel__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist-300);
}

.page-home .team-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-home .team-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--fog-100);
}

.page-home .team-list .mono {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--copper-500);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-home .hero-map__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-home .log__row {
    grid-template-columns: 132px 1fr 92px;
    gap: 16px;
    align-items: baseline;
    padding: 14px 8px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-home {
    padding-bottom: 96px;
  }

  .page-home .hero-head {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 40px;
  }

  .page-home .hero-figure {
    transform: translateX(16px);
  }

  .page-home .hero-map {
    grid-template-columns: 44px 1fr;
    gap: 24px;
    margin-top: 56px;
  }

  .page-home .hero-map__label {
    writing-mode: vertical-rl;
    justify-self: center;
    align-self: stretch;
    letter-spacing: 0.34em;
    color: var(--mist-300);
  }

  .page-home .hero-map__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }

  .page-home .chapter {
    grid-template-columns: var(--home-rail) 1fr;
    gap: 32px;
    margin-top: 72px;
  }

  .page-home .chapter__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    align-self: start;
    position: sticky;
    top: 96px;
  }

  .page-home .chapter__num {
    font-size: 44px;
  }

  .page-home .chapter__stamp {
    writing-mode: vertical-rl;
    letter-spacing: 0.3em;
  }

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

  .page-home .duo {
    margin-top: 72px;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-home .duo .entry-card:nth-child(2) {
    transform: translateY(24px);
  }

  .page-home .table-band {
    margin-top: 56px;
  }

  .page-home .spec-layout {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-home .spec-card__more {
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    transition: max-height var(--dur-slow) var(--ease),
      margin-top var(--dur-slow) var(--ease);
  }

  .page-home .spec-card:hover .spec-card__more,
  .page-home .spec-card:focus-within .spec-card__more {
    max-height: 170px;
    margin-top: 12px;
  }

  .page-home .contact-block {
    grid-template-columns: 1.3fr 0.7fr;
    align-items: start;
  }

  .page-home .channel-grid {
    gap: 14px;
  }
}

@media (min-width: 1180px) {
  .page-home .cat-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .path-card,
  .page-home .log__row,
  .page-home .spec-card__more {
    transition: none;
  }

  .page-home .path-card:hover {
    transform: none;
  }

  .page-home .hero-figure,
  .page-home .duo .entry-card:nth-child(2) {
    transform: none;
  }
}
<<<END>>>