.page-home {
  --home-toc-top: 96px;
  --home-cell-line: rgba(200, 214, 227, .16);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.75rem, 5vw, 3.5rem) 0 clamp(2.25rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 6%, rgba(33, 212, 195, .13), transparent 62%),
    linear-gradient(160deg, #061320 0%, #081826 55%, #0a2030 100%);
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 76px 76px;
  opacity: .55;
  pointer-events: none;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: 0;
  width: 42%;
  height: 6px;
  background: linear-gradient(90deg, var(--amber), var(--rose) 55%, var(--orange));
  transform: skewX(-24deg);
  pointer-events: none;
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: start;
}

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

.page-home .hero-title {
  margin: .5rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-home .hero-lede {
  margin: 1rem 0 0;
  max-width: 46ch;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-home .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1rem;
  margin: 1.25rem 0 0;
  padding: .7rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--dim);
}

.page-home .hero-meta li {
  position: relative;
  padding-left: .85rem;
}

.page-home .hero-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 5px;
  height: 5px;
  background: var(--cyan);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.5rem;
}

/* 首屏右侧版本摘要块 */
.page-home .hero-slab {
  position: relative;
  min-width: 0;
  padding: clamp(1.1rem, 3.5vw, 1.9rem);
  background: linear-gradient(150deg, #0E2A44 0%, #0b2136 58%, #081826 100%);
  border: 1px solid var(--line-strong);
  box-shadow: 0 22px 44px rgba(2, 10, 18, .5);
}

.page-home .slab-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  padding-bottom: .8rem;
  border-bottom: 1px solid var(--line-strong);
}

.page-home .slab-ver {
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 5.5vw, 2.5rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-home .slab-state {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink-900);
  background: var(--orange);
  padding: .22rem .5rem;
}

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

.page-home .update-item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: .55rem;
  padding: .8rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-home .update-item p {
  margin: 0;
  font-size: .85rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .update-item strong {
  display: block;
  margin-bottom: .18rem;
  font-weight: 600;
  font-size: .92rem;
  color: var(--paper);
}

.page-home .update-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber);
  padding-top: .18rem;
}

.page-home .slab-shot {
  margin-top: 1rem;
  border: 1px solid var(--line-strong);
  background: #06121d;
}

.page-home .slab-details {
  margin-top: .9rem;
  border-top: 1px solid var(--line-strong);
  padding-top: .7rem;
}

.page-home .slab-details summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  list-style: none;
}

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

.page-home .slab-details summary::after {
  content: " +";
}

.page-home .slab-details[open] summary::after {
  content: " −";
}

.page-home .slab-details ul {
  margin: .7rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .5rem;
}

.page-home .slab-details li {
  font-size: .8rem;
  line-height: 1.7;
  color: var(--mist);
  border-left: 2px solid var(--line-strong);
  padding-left: .6rem;
}

.page-home .slab-details li span {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--dim);
  margin-bottom: .1rem;
}

/* ---------- 正文骨架 ---------- */
.page-home .home-body {
  padding-top: clamp(1.75rem, 4vw, 3rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

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

.page-home .home-toc {
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--line);
}

.page-home .toc-heading {
  margin: 0 0 .55rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--dim);
}

.page-home .home-toc .toc-list {
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: 0 0 .15rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .home-toc .toc-link {
  display: block;
  white-space: nowrap;
  padding: .35rem .6rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--mist);
  border: 1px solid var(--line-strong);
  text-decoration: none;
  transition: color var(--step) var(--ease), border-color var(--step) var(--ease);
}

.page-home .home-toc .toc-link:hover,
.page-home .home-toc .toc-link[aria-current="true"] {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 章节 ---------- */
.page-home .sec {
  padding: clamp(1.5rem, 3.5vw, 2.5rem) 0;
  border-top: 1px solid var(--line);
}

.page-home .sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-home .sec-head {
  margin-bottom: clamp(1rem, 2.5vw, 1.6rem);
}

.page-home .sec-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-home .sec-title {
  margin: .4rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 4vw, 2rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-home .sec-lede {
  margin: .7rem 0 0;
  max-width: 62ch;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 对照表 ---------- */
.page-home .compare-list {
  display: grid;
  gap: .65rem;
}

.page-home .compare-row {
  display: grid;
  gap: .55rem;
  padding: .9rem;
  background: rgba(14, 42, 68, .55);
  border: 1px solid var(--line);
}

.page-home .compare-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--dim);
}

.page-home .cell {
  padding-left: .7rem;
  border-left: 3px solid transparent;
  min-width: 0;
}

.page-home .cell--a {
  border-left-color: var(--amber);
}

.page-home .cell--b {
  border-left-color: var(--rose);
}

.page-home .cell p {
  margin: .4rem 0 0;
  font-size: .85rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .diff {
  display: inline-block;
  margin-left: .35rem;
  padding: .05rem .35rem;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cyan);
  border: 1px solid var(--cyan);
}

.page-home .figure-wide {
  margin: clamp(1.2rem, 3vw, 1.9rem) 0 0;
}

.page-home .figure-wide .media-frame {
  border: 1px solid var(--line-strong);
  background: #06121d;
}

/* ---------- 标签归并 ---------- */
.page-home .tags-layout {
  display: grid;
  gap: clamp(1rem, 3vw, 1.6rem);
}

.page-home .tag-grid {
  display: grid;
  gap: .55rem;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.page-home .tag-item {
  padding: .85rem .9rem;
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, rgba(15, 92, 99, .38), rgba(14, 42, 68, .62));
}

.page-home .tag-count {
  display: block;
  margin-bottom: .35rem;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-home .tag-item h3 {
  margin: 0 0 .3rem;
  font-family: var(--font-body);
  font-size: .92rem;
  font-weight: 600;
  color: var(--paper);
}

.page-home .tag-item p {
  margin: 0;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .tag-map {
  padding: clamp(.9rem, 2.5vw, 1.3rem);
  border: 1px solid var(--line);
  background: rgba(8, 24, 38, .6);
}

.page-home .map-title {
  margin: 0 0 .35rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--dim);
}

.page-home .map-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem .6rem;
  padding: .6rem 0;
  border-bottom: 1px dashed var(--line);
}

.page-home .map-old {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--dim);
}

.page-home .map-arrow {
  color: var(--cyan);
  font-size: 13px;
}

.page-home .map-new {
  padding: .12rem .5rem;
  font-size: .8rem;
  color: var(--paper);
  border: 1px solid var(--line-strong);
  background: rgba(33, 212, 195, .1);
}

.page-home .map-shot {
  margin-top: .85rem;
  border: 1px solid var(--line);
  background: #06121d;
}

/* ---------- 回访与查询 ---------- */
.page-home .return-band {
  position: relative;
  overflow: hidden;
  padding: clamp(1.1rem, 3.5vw, 2.2rem);
  border: 1px solid var(--line-strong);
  background: var(--ink-800);
}

.page-home .return-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  pointer-events: none;
}

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

.page-home .return-grid {
  display: grid;
  gap: .55rem;
}

.page-home .return-card {
  padding: .85rem 1rem;
  background: rgba(6, 18, 29, .82);
  border: 1px solid var(--line-strong);
}

.page-home .return-card h3 {
  margin: .45rem 0 .25rem;
  font-family: var(--font-body);
  font-size: .92rem;
  font-weight: 600;
  color: var(--paper);
}

.page-home .return-card p {
  margin: 0;
  font-size: .8rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .steps-wrap {
  margin-top: clamp(1rem, 3vw, 1.5rem);
}

.page-home .steps-title {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--dim);
}

.page-home .steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .1rem;
}

.page-home .step {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: .5rem;
  padding: .55rem 0;
  border-bottom: 1px solid var(--line);
}

.page-home .step-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-home .step-txt {
  font-size: .85rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .return-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: 1rem;
}

/* ---------- 版本底账 ---------- */
.page-home .stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-home .stat {
  padding: .9rem;
  background: var(--ink-900);
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  line-height: 1;
  color: var(--paper);
}

.page-home .stat-num small {
  font-family: var(--font-mono);
  font-size: .48em;
  color: var(--cyan);
  margin-left: .15rem;
}

.page-home .stat-label {
  display: block;
  margin-top: .4rem;
  font-size: .76rem;
  line-height: 1.6;
  color: var(--mist);
}

.page-home .archive-grid {
  display: grid;
  gap: .6rem;
  margin-top: .8rem;
}

.page-home .archive-card {
  padding: 1rem;
  border: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(14, 42, 68, .8), rgba(8, 24, 38, .65));
  transition: border-color var(--step) var(--ease), transform var(--step) var(--ease);
}

.page-home .archive-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-home .archive-card h3 {
  margin: .5rem 0 .3rem;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 600;
  color: var(--paper);
}

.page-home .archive-card p {
  margin: 0 0 .7rem;
  font-size: .82rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-home .archive-link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
}

.page-home .archive-note {
  margin: 1rem 0 0;
  padding-left: .8rem;
  border-left: 2px solid var(--line-strong);
  font-size: .78rem;
  line-height: 1.8;
  color: var(--dim);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 768px) {
  .page-home .compare-row {
    grid-template-columns: 7.5rem minmax(0, 1fr) minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
    padding: 1rem 1.1rem;
  }

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

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

  .page-home .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .8rem;
  }
}

@media (min-width: 900px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: clamp(2rem, 4vw, 3rem);
  }

  .page-home .hero-slab {
    clip-path: polygon(7% 0, 100% 0, 100% 100%, 0 100%);
    padding-left: clamp(2.2rem, 5vw, 3.6rem);
    margin-top: -.75rem;
  }
}

@media (min-width: 1024px) {
  .page-home .home-body {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-home .home-toc {
    position: sticky;
    top: var(--home-toc-top);
    align-self: start;
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-home .home-toc .toc-list {
    flex-direction: column;
    gap: .3rem;
    overflow: visible;
  }

  .page-home .home-toc .toc-link {
    padding: .4rem .2rem .4rem .7rem;
    border: 0;
    border-left: 2px solid var(--line-strong);
    color: var(--dim);
    background: transparent;
  }

  .page-home .home-toc .toc-link:hover,
  .page-home .home-toc .toc-link[aria-current="true"] {
    color: var(--cyan);
    background: transparent;
    border-left-color: var(--cyan);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .archive-card,
  .page-home .home-toc .toc-link {
    transition: none;
  }

  .page-home .archive-card:hover {
    transform: none;
  }
}
<<<END>>>