.page-home {
  --home-line: 2px solid var(--ink);
  --home-radius: var(--radius-card);
  display: block;
  background: var(--cream);
  color: var(--ink);
  overflow-x: clip;
}

.page-home .page-shell {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 右侧纵向时间刻度 ---------- */
.page-home .rail {
  position: fixed;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  flex-direction: column;
  gap: 16px;
  z-index: 6;
  pointer-events: none;
}

.page-home .rail::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -8px;
  bottom: -8px;
  width: 2px;
  transform: translateX(-50%);
  background: var(--shallow);
}

.page-home .rail-dot {
  position: relative;
  width: 9px;
  height: 9px;
  border: 2px solid var(--teal);
  border-radius: 50%;
  background: var(--paper);
}

.page-home .rail-dot:nth-child(2n) {
  border-color: var(--sand);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  background: var(--cream);
  border-bottom: var(--home-line);
  padding: 0 16px;
}

.page-home .hero-inner {
  position: relative;
  max-width: var(--wrap);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  padding: 40px 0 48px;
}

.page-home .hero-body {
  position: relative;
  background: var(--deep);
  color: var(--paper);
  border: var(--home-line);
  border-radius: var(--home-radius);
  box-shadow: var(--shadow-hard);
  padding: 32px 24px 34px;
}

.page-home .hero-kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sand);
  font-family: var(--mono);
  text-transform: uppercase;
}

.page-home .hero-body h1 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .hero-lead {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(255, 251, 242, 0.88);
  max-width: 46ch;
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.page-home .hero-meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(213, 160, 47, 0.55);
  color: var(--sand);
  font-size: 12px;
  letter-spacing: 0.02em;
  word-break: break-word;
}

.page-home .hero-collage {
  position: relative;
  padding: 0 0 56px 0;
}

.page-home .hero-photo {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

.page-home .seal {
  position: absolute;
  left: 12px;
  bottom: 0;
  width: 104px;
  height: 104px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 var(--sand);
  background: var(--paper);
  transform: rotate(-6deg);
  transition: transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

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

.page-home .seal:hover {
  transform: rotate(2deg);
  box-shadow: 6px 6px 0 var(--ink);
}

/* ---------- 区块通用 ---------- */
.page-home section {
  padding: 56px 0;
}

.page-home .section-head {
  margin-bottom: 28px;
}

.page-home .section-label {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--deep);
  background: var(--sand-soft);
  border: 1px solid var(--sand);
  border-radius: var(--radius-pill);
}

.page-home .section-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(23px, 4.4vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-home .brief-intro,
.page-home .band-intro {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 60ch;
}

/* ---------- 版本摘要条 ---------- */
.page-home .brief {
  background: var(--sand-soft);
  border-bottom: var(--home-line);
}

.page-home .brief-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .brief-item {
  background: var(--paper);
  border: var(--home-line);
  border-radius: var(--home-radius);
  box-shadow: 4px 4px 0 var(--teal);
  padding: 22px 20px 24px;
  border-top-width: 6px;
}

.page-home .brief-item--teal { border-top-color: var(--teal); }
.page-home .brief-item--sand { border-top-color: var(--sand); }
.page-home .brief-item--brick { border-top-color: var(--brick); }

.page-home .brief-type {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-home .brief-head {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  color: var(--ink);
}

.page-home .brief-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 常用入口浮岛 ---------- */
.page-home .entries {
  background: var(--cream);
}

.page-home .entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .entry {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  background: var(--paper);
  border: var(--home-line);
  border-radius: var(--home-radius);
  box-shadow: var(--shadow-hard);
  color: var(--ink);
  text-decoration: none;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-home .entry:hover,
.page-home .entry:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--teal);
}

.page-home .entry--news {
  background: var(--deep);
  color: var(--paper);
  box-shadow: var(--shadow-hard);
}

.page-home .entry--news .entry-title { color: var(--paper); }
.page-home .entry--news .entry-desc { color: rgba(255, 251, 242, 0.86); }
.page-home .entry--news .entry-label { color: var(--sand); }
.page-home .entry--news .entry-more { color: var(--sand); }

.page-home .entry-label {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--sand);
  align-self: flex-start;
  padding-bottom: 2px;
}

.page-home .entry-title {
  font-family: var(--serif);
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.01em;
  color: var(--deep);
}

.page-home .entry-desc {
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink);
}

.page-home .entry-more {
  margin-top: auto;
  font-size: 13px;
  font-family: var(--mono);
  color: var(--brick);
  letter-spacing: 0.02em;
}

/* ---------- 资料库体量 ---------- */
.page-home .stats {
  background: var(--shallow);
  border-top: var(--home-line);
  border-bottom: var(--home-line);
}

.page-home .stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-home .stat {
  background: var(--paper);
  border: var(--home-line);
  border-radius: var(--home-radius);
  box-shadow: 4px 4px 0 var(--deep);
  padding: 18px 16px;
  min-width: 0;
}

.page-home .stat--feature {
  grid-column: 1 / -1;
  background: var(--deep);
  box-shadow: 6px 6px 0 var(--sand);
}

.page-home .stat--feature .stat-num { color: var(--paper); }
.page-home .stat--feature .stat-label { color: var(--sand); }
.page-home .stat--feature .stat-note { color: rgba(255, 251, 242, 0.85); }

.page-home .stat-num {
  margin: 0;
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(26px, 6vw, 44px);
  line-height: 1.05;
  color: var(--brick);
  letter-spacing: -0.02em;
}

.page-home .stat-unit {
  font-size: 0.44em;
  margin-left: 4px;
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-home .stat--feature .stat-unit { color: var(--sand); }

.page-home .stat-label {
  margin: 8px 0 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--deep);
  letter-spacing: 0.02em;
}

.page-home .stat-note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink);
}

.page-home .stat--aside {
  grid-column: 1 / -1;
  background: var(--sand-soft);
  box-shadow: none;
  border-style: dashed;
}

.page-home .stat-aside-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ink);
}

/* ---------- 分类标签带 ---------- */
.page-home .tag-band {
  background: var(--cream);
  overflow: hidden;
}

.page-home .band-figure {
  max-width: var(--wrap);
  margin: 0 auto 20px;
  border-left: 0;
  border-right: 0;
  border-radius: 0;
}

.page-home .tag-scroller {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 6px 20px 18px;
  scrollbar-width: thin;
}

.page-home .tag-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  padding: 9px 18px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--deep);
  background: var(--paper);
  border: 2px solid var(--deep);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: background 180ms var(--ease), color 180ms var(--ease);
}

.page-home .tag-chip:hover,
.page-home .tag-chip:focus-visible {
  background: var(--brick);
  border-color: var(--brick);
  color: var(--paper);
}

/* ---------- 最近三期 ---------- */
.page-home .timeline-section {
  background: var(--paper);
  border-top: var(--home-line);
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  border-left: 2px solid var(--shallow);
}

.page-home .tl-item {
  position: relative;
  padding: 0 0 30px 8px;
}

.page-home .tl-item:last-child {
  padding-bottom: 4px;
}

.page-home .tl-marker {
  position: absolute;
  left: -35px;
  top: 5px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--ink);
  border-radius: 50%;
  background: var(--sand);
}

.page-home .tl-item:nth-child(2) .tl-marker { background: var(--teal); }
.page-home .tl-item:nth-child(3) .tl-marker { background: var(--brick); }

.page-home .tl-head {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--deep);
}

.page-home .tl-time {
  color: var(--mist);
  font-size: 12px;
}

.page-home .tl-type {
  margin: 0 0 10px;
  font-size: 12px;
}

.page-home .tl-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 62ch;
}

.page-home .tl-foot {
  margin: 26px 0 0;
}

/* ---------- 内容从哪里来 ---------- */
.page-home .origin {
  background: var(--cream);
}

.page-home .origin-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-home .origin-figure {
  max-width: 420px;
}

.page-home .origin-body .section-title {
  margin-bottom: 16px;
}

.page-home .origin-text {
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.88;
  color: var(--ink);
  max-width: 60ch;
}

.page-home .origin-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  border-top: 1px dashed var(--mist);
}

.page-home .origin-item {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--mist);
}

.page-home .origin-k {
  font-size: 13px;
  color: var(--brick);
  letter-spacing: 0.02em;
}

.page-home .origin-v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-home .origin-note {
  margin: 0;
  padding: 14px 16px;
  background: var(--shallow);
  border-left: 6px solid var(--deep);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 还没找到答案 ---------- */
.page-home .help {
  background: var(--deep);
  border-top: var(--home-line);
}

.page-home .help .section-label {
  background: var(--sand);
  color: var(--ink);
  border-color: var(--sand);
}

.page-home .help .section-title {
  color: var(--paper);
}

.page-home .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-home .help-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 26px;
  border: var(--home-line);
  border-radius: var(--home-radius);
  box-shadow: 6px 6px 0 var(--ink);
}

.page-home .help-card--self {
  background: var(--paper);
}

.page-home .help-card--ask {
  background: var(--sand-soft);
}

.page-home .help-tag {
  margin: 0;
  font-size: 12px;
  color: var(--mist);
  letter-spacing: 0.05em;
}

.page-home .help-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: 21px;
  line-height: 1.32;
  color: var(--deep);
}

.page-home .help-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-home .help-card .btn {
  margin-top: auto;
  align-self: flex-start;
  text-decoration: none;
}

.page-home .tail-note {
  margin: 28px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(255, 251, 242, 0.82);
}

.page-home .tail-note a {
  color: var(--sand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-home .page-shell { padding: 0 32px; }

  .page-home .hero { padding: 0 32px; }

  .page-home .hero-body { padding: 40px 34px 42px; }

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

  .page-home .brief-item:first-child { grid-column: 1 / -1; }

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

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

  .page-home .stat--feature { grid-column: span 2; grid-row: span 2; }

  .page-home .tag-scroller { padding: 6px 32px 18px; }

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

  .page-home .origin-item { grid-template-columns: 78px 1fr; }
}

@media (min-width: 900px) {
  .page-home .rail { display: flex; }

  .page-home .hero-inner {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 0;
    align-items: stretch;
    padding: 56px 0 64px;
  }

  .page-home .hero-body {
    position: relative;
    z-index: 2;
    clip-path: polygon(0 0, 100% 0, calc(100% - 62px) 100%, 0 100%);
    padding: 52px 104px 52px 46px;
  }

  .page-home .hero-collage {
    margin-left: -44px;
    padding: 18px 0 62px;
    z-index: 1;
  }

  .page-home .hero-photo { aspect-ratio: 5 / 4; }

  .page-home .seal { width: 132px; height: 132px; left: -8px; }

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

  .page-home .brief-item:first-child { grid-column: auto; }

  .page-home .entry-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-home .entry--news { grid-column: span 4; grid-row: span 2; }

  .page-home .entry--changes { grid-column: span 2; }

  .page-home .entry--docs { grid-column: span 2; }

  .page-home .entry--catalog { grid-column: span 3; }

  .page-home .entry--compare { grid-column: span 3; }

  .page-home .entry--news .entry-title { font-size: 30px; }

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

  .page-home .stat--feature { grid-column: span 2; grid-row: span 2; }

  .page-home .stat--aside { grid-column: span 2; }

  .page-home .origin-layout {
    grid-template-columns: 0.72fr 1.28fr;
    gap: 44px;
    align-items: start;
  }

  .page-home .origin-figure { max-width: none; }

  .page-home .timeline { padding-left: 34px; }

  .page-home .tl-marker { left: -43px; }

  .page-home .tail-note { max-width: 78ch; }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .entry,
  .page-home .seal {
    transition: none;
  }

  .page-home .entry:hover,
  .page-home .entry:focus-visible {
    transform: none;
  }
}
<<<END>>>