.page-home{
  --home-grid-line: rgba(16,42,67,.07);
  --home-dark-line: rgba(246,240,230,.14);
  background: var(--c-sand);
  color: var(--c-ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-home .hero{
  position: relative;
  isolation: isolate;
  padding: 2rem 0 2.75rem;
}
.page-home .hero::before{
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--home-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--home-grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(155deg, #000 8%, transparent 76%);
  mask-image: linear-gradient(155deg, #000 8%, transparent 76%);
  pointer-events: none;
}
.page-home .hero-grid{
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-home .eyebrow{
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  margin: 0 0 .9rem;
  font-family: var(--f-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-sand-gray);
}
.page-home .eyebrow .mono-num{
  color: var(--c-orange);
  letter-spacing: .02em;
}
.page-home .eyebrow--light{ color: var(--c-on-ink-dim); }
.page-home .eyebrow--light .mono-num{ color: var(--c-orange-lit); }

.page-home .hero h1{
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.85rem, 5.2vw, 3.05rem);
  line-height: 1.22;
  letter-spacing: -.015em;
  color: var(--c-ink);
  text-wrap: balance;
}
.page-home .hero-lede{
  margin: 1.1rem 0 0;
  max-width: 34rem;
  font-family: var(--f-serif);
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--c-ink-2);
}

.page-home .path-index{
  position: relative;
  display: grid;
  gap: .6rem;
  margin-top: 1.9rem;
  padding-left: 1.1rem;
  border-left: 2px solid var(--c-sand-mid);
}
.page-home .path-link{
  display: grid;
  grid-template-columns: auto minmax(0,1fr);
  gap: .9rem;
  align-items: start;
  padding: .85rem 1rem;
  border-radius: var(--r-md);
  background: var(--c-paper);
  border: 1px solid var(--c-line-soft);
  text-decoration: none;
  color: var(--c-ink);
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}
.page-home .path-link:hover,
.page-home .path-link:focus-visible{
  border-color: var(--c-orange);
  box-shadow: var(--shadow-soft);
  transform: translateX(3px);
}
.page-home .path-num{
  color: var(--c-orange);
  font-size: .82rem;
  line-height: 1.7;
}
.page-home .path-body{ display: grid; gap: .15rem; }
.page-home .path-name{
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -.01em;
}
.page-home .path-desc{
  font-size: .84rem;
  line-height: 1.6;
  color: var(--c-sand-gray);
}

/* 门牌卡 */
.page-home .plate{
  position: relative;
  border-radius: var(--r-lg);
  background: var(--c-sand-lift);
  border: 1px solid var(--c-sand-mid);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.page-home .plate-media{
  position: relative;
  background: var(--c-sand-mid);
}
.page-home .plate-media img{
  display: block;
  width: 100%;
  height: auto;
}
.page-home .plate-chip{
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  padding: .38rem .8rem;
  border-radius: var(--r-pill);
  background: rgba(16,42,67,.85);
  color: var(--c-sand-lift);
  font-size: .74rem;
  letter-spacing: .04em;
}
.page-home .plate-body{
  padding: 1.4rem 1.3rem 1.5rem;
  display: grid;
  gap: .45rem;
}
.page-home .plate-axis{
  width: 100%;
  max-width: 17rem;
  height: auto;
  color: var(--c-orange);
  margin-bottom: .3rem;
}
.page-home .plate-label{
  margin: 0;
  font-family: var(--f-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-sand-gray);
}
.page-home .plate-num{
  margin: 0;
  font-size: clamp(1.6rem, 3.4vw, 2.1rem);
  font-weight: 700;
  color: var(--c-ink);
  letter-spacing: .01em;
}
.page-home .plate-list{
  list-style: none;
  margin: .6rem 0 .2rem;
  padding: 0;
  display: grid;
  gap: .5rem;
}
.page-home .plate-list li{
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: .8rem;
  align-items: baseline;
  padding-bottom: .5rem;
  border-bottom: 1px dashed var(--c-line);
  font-size: .9rem;
}
.page-home .plate-list li:last-child{ border-bottom: 0; }
.page-home .plate-list .mono-num{
  font-size: .82rem;
  color: var(--c-brown);
  background: var(--c-amber);
  padding: .1rem .5rem;
  border-radius: var(--r-sm);
  white-space: nowrap;
}
.page-home .plate-foot{
  margin: .4rem 0 0;
  font-size: .84rem;
  line-height: 1.65;
  color: var(--c-sand-gray);
}

/* ---------- 通用章节 ---------- */
.page-home .section{ padding: 2.75rem 0; }
.page-home .section-head{ max-width: 42rem; }
.page-home .section-title{
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  line-height: 1.35;
  letter-spacing: -.012em;
  color: var(--c-ink);
}
.page-home .section-lede{
  margin: .85rem 0 0;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--c-ink-2);
}

/* ---------- 01 服务版图 ---------- */
.page-home .services{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 2rem;
}
.page-home .services-visual{
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-sand-mid);
  border: 1px solid var(--c-line-soft);
}
.page-home .services-visual img{
  display: block;
  width: 100%;
  height: auto;
}
.page-home .services-visual figcaption{
  padding: .85rem 1.1rem;
  font-family: var(--f-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--c-sand-gray);
  background: var(--c-sand-lift);
}
.page-home .services-list{ display: grid; gap: 0; }
.page-home .service-item{
  display: grid;
  grid-template-columns: auto minmax(0,1fr);
  gap: 1rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--c-line);
}
.page-home .service-item:last-of-type{ border-bottom: 1px solid var(--c-line); }
.page-home .service-num{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: var(--r-sm);
  background: var(--c-ink);
  color: var(--c-sand-lift);
  font-size: .8rem;
  font-weight: 700;
}
.page-home .service-name{
  margin: 0 0 .4rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: -.01em;
  color: var(--c-ink);
}
.page-home .service-text{
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--c-ink-2);
}
.page-home .service-meta{
  margin: .6rem 0 0;
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--c-orange);
}
.page-home .services-note{
  margin: 1.2rem 0 0;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--c-sand-gray);
}

/* ---------- 02 费用与周期 ---------- */
.page-home .rate-section{ background: var(--c-sand-lift); }
.page-home .rate-layout{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
  margin-top: 2rem;
}
.page-home .rate{
  position: relative;
  background: var(--c-paper);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-lg);
  padding: 1.1rem 1.1rem 1.35rem;
  box-shadow: var(--shadow-soft);
}
.page-home .rate-radio{
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}
.page-home .rate-bar{
  display: flex;
  gap: .3rem;
  padding: .3rem;
  border-radius: var(--r-pill);
  background: var(--c-sand-mid);
}
.page-home .rate-tab{
  flex: 1 1 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .6rem .5rem;
  border-radius: var(--r-pill);
  font-family: var(--f-mono);
  font-size: .78rem;
  letter-spacing: .03em;
  color: var(--c-ink-2);
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}
.page-home .rate-tab .mono-num{ color: var(--c-orange); transition: color var(--ease); }
.page-home #rate-a:checked ~ .rate-bar label[for="rate-a"],
.page-home #rate-b:checked ~ .rate-bar label[for="rate-b"]{
  background: var(--c-ink);
  color: var(--c-sand-lift);
}
.page-home #rate-a:checked ~ .rate-bar label[for="rate-a"] .mono-num,
.page-home #rate-b:checked ~ .rate-bar label[for="rate-b"] .mono-num{
  color: var(--c-orange-lit);
}
.page-home #rate-a:focus-visible ~ .rate-bar label[for="rate-a"],
.page-home #rate-b:focus-visible ~ .rate-bar label[for="rate-b"]{
  outline: 2px solid var(--c-orange-lit);
  outline-offset: 2px;
}
.page-home .rate-panel{ display: none; padding-top: .6rem; }
.page-home #rate-a:checked ~ .rate-panel--a,
.page-home #rate-b:checked ~ .rate-panel--b{ display: block; }

.page-home .rate-row{
  display: grid;
  grid-template-columns: 1fr;
  gap: .35rem;
  padding: .95rem 0;
  border-bottom: 1px dashed var(--c-line);
}
.page-home .rate-name{
  font-family: var(--f-display);
  font-weight: 700;
  font-size: .96rem;
  color: var(--c-ink);
}
.page-home .rate-value{
  justify-self: start;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: .88rem;
  letter-spacing: .01em;
  color: var(--c-brown);
  background: var(--c-amber);
  padding: .18rem .6rem;
  border-radius: var(--r-sm);
  white-space: nowrap;
}
.page-home .rate-note{
  font-size: .85rem;
  line-height: 1.7;
  color: var(--c-sand-gray);
}
.page-home .rate-caption{
  margin: 1rem 0 0;
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--c-ink-2);
}
.page-home .rate-cta{ margin-top: 1.3rem; }

.page-home .rate-visual{
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-sand-mid);
  border: 1px solid var(--c-line-soft);
}
.page-home .rate-visual img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-home .rate-visual figcaption{
  padding: .85rem 1.1rem;
  font-family: var(--f-mono);
  font-size: .76rem;
  color: var(--c-sand-gray);
  background: var(--c-sand-lift);
}

/* ---------- 03 更新面板 ---------- */
.page-home .note-grid{
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-home .note-card{
  position: relative;
  padding: 2.35rem 1.25rem 1.3rem;
  border-radius: var(--r-md);
  background: var(--c-paper);
  border: 1px solid var(--c-line-soft);
  transition: border-color var(--ease), box-shadow var(--ease);
}
.page-home .note-card::before{
  content: "";
  position: absolute;
  left: 1.25rem;
  top: 1.2rem;
  width: 28px;
  height: 3px;
  border-radius: 2px;
  background: var(--c-orange);
}
.page-home .note-card:hover{
  border-color: var(--c-sand-mid);
  box-shadow: var(--shadow-soft);
}
.page-home .note-when{
  margin: 0 0 .45rem;
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--c-orange);
}
.page-home .note-name{
  margin: 0 0 .5rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--c-ink);
}
.page-home .note-text{
  margin: 0;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--c-ink-2);
}
.page-home .notes-foot{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  justify-content: space-between;
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--c-line);
}
.page-home .notes-foot p{
  margin: 0;
  flex: 1 1 16rem;
  font-size: .88rem;
  line-height: 1.75;
  color: var(--c-sand-gray);
}

/* ---------- 04 资料下载台 ---------- */
.page-home .docs-section{ background: var(--c-sand-lift); }
.page-home .docs-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}
.page-home .doc-card{
  padding: 1.2rem 1.15rem 1.15rem;
  border-radius: var(--r-md);
  background: var(--c-paper);
  border: 1px solid var(--c-line-soft);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.page-home .doc-card:hover,
.page-home .doc-card:focus-within{
  transform: translateY(-3px);
  box-shadow: var(--shadow-lift);
  border-color: var(--c-sand-mid);
}
.page-home .doc-tag{
  display: inline-block;
  padding: .18rem .55rem;
  border-radius: var(--r-sm);
  background: var(--c-sand-mid);
  color: var(--c-ink-2);
  font-size: .72rem;
  letter-spacing: .06em;
}
.page-home .doc-name{
  margin: .75rem 0 .5rem;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-ink);
}
.page-home .doc-use{
  margin: 0 0 .9rem;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--c-ink-2);
}
.page-home .doc-hint{
  margin: 0;
  font-size: .74rem;
  letter-spacing: .05em;
  color: var(--c-sand-gray);
  opacity: .7;
  transition: opacity var(--ease), color var(--ease);
}
.page-home .doc-card:hover .doc-hint,
.page-home .doc-card:focus-within .doc-hint{
  opacity: 1;
  color: var(--c-orange);
}
.page-home .docs-visual{
  margin: 1.5rem 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-sand-mid);
  border: 1px solid var(--c-line-soft);
}
.page-home .docs-visual img{
  display: block;
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: cover;
}
.page-home .docs-visual figcaption{
  padding: .85rem 1.1rem;
  font-family: var(--f-mono);
  font-size: .76rem;
  color: var(--c-sand-gray);
  background: var(--c-sand);
}

/* ---------- 05 联系门牌 ---------- */
.page-home .contact-slab{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.9rem;
  padding: 1.75rem 1.35rem 2rem;
  border-radius: var(--r-lg);
  background-color: var(--c-ink);
  background-image:
    radial-gradient(circle at 88% 6%, rgba(194,65,12,.42), transparent 58%),
    linear-gradient(180deg, rgba(31,58,95,.55), transparent 65%);
  color: var(--c-sand-lift);
}
.page-home .contact-slab .section-title{
  color: var(--c-sand-lift);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
}
.page-home .contact-text{
  margin: .9rem 0 1.4rem;
  font-size: .92rem;
  line-height: 1.85;
  color: var(--c-on-ink);
}
.page-home .contact-rows{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
  align-content: start;
}
.page-home .contact-rows li{
  display: grid;
  grid-template-columns: 4.6rem minmax(0,1fr);
  gap: .8rem;
  align-items: start;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--home-dark-line);
}
.page-home .contact-rows li:last-child{ border-bottom: 0; padding-bottom: 0; }
.page-home .contact-rows .contact-key{
  font-size: .8rem;
  letter-spacing: .04em;
  color: var(--c-on-ink-dim);
}
.page-home .contact-rows .contact-val{
  font-family: var(--f-mono);
  font-size: .87rem;
  line-height: 1.65;
  color: var(--c-sand-lift);
  word-break: break-word;
}
.page-home .contact-rows .contact-val--text{
  font-family: var(--f-body);
  font-size: .88rem;
}

/* ---------- 回到起点 ---------- */
.page-home .back-top-wrap{
  margin: 0;
  padding: 0 1rem 3rem;
  text-align: center;
}
.page-home .back-top{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .7rem 1.25rem;
  border-radius: var(--r-pill);
  background: var(--c-sand-lift);
  border: 1px solid var(--c-sand-mid);
  color: var(--c-ink);
  font-family: var(--f-mono);
  font-size: .8rem;
  letter-spacing: .04em;
  text-decoration: none;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.page-home .back-top:hover,
.page-home .back-top:focus-visible{
  background: var(--c-ink);
  border-color: var(--c-ink);
  color: var(--c-sand-lift);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-home .rate-row{
    grid-template-columns: minmax(0,1fr) auto;
    align-items: baseline;
    gap: .35rem 1rem;
  }
  .page-home .rate-note{ grid-column: 1 / -1; }
  .page-home .docs-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .page-home .contact-rows li{ grid-template-columns: 5.2rem minmax(0,1fr); }
}

@media (min-width: 900px){
  .page-home .hero{ padding: 3rem 0 3.75rem; }
  .page-home .hero-grid{
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 3rem;
    align-items: start;
  }
  .page-home .section{ padding: 4.25rem 0; }
  .page-home .services{
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 2.5rem;
    align-items: start;
  }
  .page-home .services-visual img{ aspect-ratio: 9 / 7; object-fit: cover; }
  .page-home .rate-layout{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 2rem;
    align-items: start;
  }
  .page-home .note-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); gap: 1.25rem; }
  .page-home .contact-slab{
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: 2.75rem;
    padding: 3rem;
  }
}

@media (min-width: 1080px){
  .page-home .docs-grid{ grid-template-columns: repeat(4, minmax(0,1fr)); }
  .page-home .docs-visual img{ max-height: 280px; }
}

@media (prefers-reduced-motion: reduce){
  .page-home .path-link,
  .page-home .doc-card,
  .page-home .note-card,
  .page-home .doc-hint,
  .page-home .back-top{
    transition: none;
  }
  .page-home .path-link:hover,
  .page-home .doc-card:hover{ transform: none; }
}
<<<END>>>