.page-home {
  --home-rule: 1px solid var(--mist);
  --home-band: clamp(48px, 8vw, 96px);
  background: var(--paper);
}

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

/* ============ 封面首屏 ============ */
.page-home .cover {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(48px, 7vw, 88px);
  overflow: hidden;
  background: var(--paper);
}

.page-home .cover-beam {
  position: absolute;
  right: -12%;
  bottom: -6%;
  width: min(140%, 1100px);
  height: auto;
  opacity: 0.55;
  pointer-events: none;
  z-index: 0;
}

.page-home .cover-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 40px);
}

.page-home .cover-context {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 clamp(16px, 2vw, 22px);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--teal);
  text-transform: uppercase;
}

.page-home .cover-context .mono {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink-900);
  background: var(--cyan);
  border-radius: var(--radius-pill);
  padding: 3px 10px;
}

.page-home .ctx-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mist);
}

.page-home .cover-title {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 8vw, 86px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-home .cover-lede {
  margin: 0;
  max-width: 30em;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.85;
  color: var(--graphite);
}

.page-home .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-home .cover-index {
  display: flex;
  flex-direction: column;
  background: var(--ink-900);
  border-radius: var(--radius-md);
  padding: 6px;
  box-shadow: 0 18px 40px rgba(6, 23, 38, 0.22);
}

.page-home .index-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 12px;
  padding: 13px 14px;
  text-decoration: none;
  border-radius: 14px;
  border-left: 2px solid transparent;
  transition: background 200ms var(--ease), border-color 200ms var(--ease);
}

.page-home .index-item:hover,
.page-home .index-item:focus-visible {
  background: rgba(35, 224, 208, 0.1);
  border-left-color: var(--cyan);
  outline: none;
}

.page-home .index-no {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  align-self: center;
}

.page-home .index-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-home .index-meta {
  grid-column: 2;
  font-size: 12px;
  color: var(--mute);
  letter-spacing: 0.02em;
}

.page-home .cover-visual {
  margin: 0;
  position: relative;
}

.page-home .cover-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-organic);
  background: var(--ink-900);
}

/* ============ 版本对照 ============ */
.page-home .diff {
  background: var(--ink-900);
  color: var(--paper);
  padding: var(--home-band) 0;
}

.page-home .diff-head {
  max-width: 46em;
  margin-bottom: clamp(28px, 3.4vw, 40px);
}

.page-home .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-home .eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--cyan);
}

.page-home .diff-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .diff-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-home .diff-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .diff-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: clamp(20px, 2.6vw, 30px);
  background: var(--ink-700);
  border-radius: var(--radius-pill);
  border: 1px solid var(--ink-500);
}

.page-home .diff-toggle {
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--mist);
  cursor: pointer;
  transition: background 200ms var(--ease), color 200ms var(--ease);
}

.page-home #diff-split:checked ~ .diff-switch .diff-toggle[for="diff-split"],
.page-home #diff-stack:checked ~ .diff-switch .diff-toggle[for="diff-stack"] {
  background: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
}

.page-home .diff-table {
  border-top: 1px solid var(--ink-500);
}

.page-home .diff-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ink-500);
}

.page-home .diff-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mute);
}

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

.page-home .diff-cell--new {
  color: var(--paper);
  font-weight: 600;
}

.page-home .diff-cell--old {
  color: var(--mute);
}

.page-home .diff-row--head .diff-cell {
  font-size: 13px;
  letter-spacing: 0.08em;
}

.page-home .diff-row--head .diff-cell--new {
  color: var(--cyan);
}

.page-home #diff-stack:checked ~ .diff-table .diff-row {
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 15px 0;
}

.page-home #diff-stack:checked ~ .diff-table .diff-cell--old {
  border-left: 0;
  padding-left: 0;
  font-size: 13px;
  text-decoration: line-through;
}

.page-home .diff-visual {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-home .diff-fig {
  margin: 0;
  background: var(--ink-700);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--ink-500);
}

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

.page-home .diff-fig--phone img {
  aspect-ratio: 16 / 11;
}

.page-home .diff-fig--bar img {
  aspect-ratio: 16 / 10;
}

.page-home .diff-fig figcaption {
  padding: 14px 18px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ============ 三块入口 ============ */
.page-home .entries {
  background: var(--paper);
  padding: var(--home-band) 0;
}

.page-home .entries-head {
  max-width: 44em;
  margin-bottom: clamp(26px, 3.4vw, 40px);
}

.page-home .entries-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-home .entries-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-home .entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-home .entry {
  position: relative;
  padding: clamp(22px, 2.6vw, 32px);
  background: #fff;
  border: 1px solid var(--mist);
  border-radius: var(--radius-lg);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.page-home .entry::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(22px, 2.6vw, 32px);
  width: 44px;
  height: 4px;
  border-radius: 0 0 4px 4px;
  background: var(--mist);
}

.page-home .entry--amber {
  border-color: rgba(242, 166, 59, 0.5);
}

.page-home .entry--amber::before {
  background: var(--amber);
}

.page-home .entry:hover,
.page-home .entry:focus-within {
  transform: translateY(-4px);
  box-shadow: 0 20px 44px rgba(6, 23, 38, 0.12);
}

.page-home .entry-flag {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--teal);
}

.page-home .entry-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.2vw, 24px);
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-home .entry-where {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-500);
}

.page-home .entry-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-home .entry-open {
  max-height: 0;
  margin: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--ink-500);
  transition: max-height 260ms var(--ease), opacity 200ms var(--ease), margin 260ms var(--ease);
}

.page-home .entry:hover .entry-open,
.page-home .entry:focus-within .entry-open {
  max-height: 9em;
  opacity: 1;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--mist);
}

.page-home .entry-link {
  display: inline-block;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 700;
  color: var(--teal);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan), var(--cyan));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 2px;
  padding-bottom: 3px;
  transition: background-size 200ms var(--ease), color 200ms var(--ease);
}

.page-home .entry-link:hover,
.page-home .entry-link:focus-visible {
  background-size: 100% 2px;
  color: var(--ink-900);
  outline: none;
}

/* ============ 内容中心预览 ============ */
.page-home .notes {
  background: var(--mist);
  padding: var(--home-band) 0;
}

.page-home .notes-head {
  max-width: 46em;
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-home .notes-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-home .notes-lede {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-home .note-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 2.6vw, 28px);
}

.page-home .note-filter-btn {
  padding: 9px 18px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-700);
  background: rgba(247, 249, 250, 0.75);
  border: 1px solid rgba(20, 71, 107, 0.18);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-home .note-filter-btn:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.page-home .note-filter-btn[aria-pressed="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-home .note-list {
  display: grid;
  grid-template-columns: 1fr;
  grid-auto-flow: dense;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .note-card {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--paper);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(20, 71, 107, 0.14);
}

.page-home .note-fig {
  margin: 0;
}

.page-home .note-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .note-body {
  padding: clamp(20px, 2.4vw, 28px);
}

.page-home .note-tag {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--teal);
}

.page-home .note-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 1.9vw, 21px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-home .note-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-home .notes-more {
  display: inline-block;
  margin-top: clamp(24px, 3vw, 34px);
  padding: 13px 26px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-900);
  background: var(--cyan);
  border-radius: var(--radius-pill);
  text-decoration: none;
  transition: transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-home .notes-more:hover,
.page-home .notes-more:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(14, 142, 134, 0.35);
  outline: none;
}

/* ============ 运行数据 ============ */
.page-home .metrics {
  background: var(--ink-900);
  color: var(--paper);
  padding: clamp(44px, 6vw, 76px) 0;
}

.page-home .metrics-title {
  margin: 0 0 clamp(24px, 3vw, 36px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .metric-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .metric {
  padding: 20px 0;
  border-top: 1px solid var(--ink-500);
}

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

.page-home .metric::before {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  margin-bottom: 12px;
  background: var(--cyan);
}

.page-home .metric-num {
  display: block;
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--cyan);
}

.page-home .metric-label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ============ 收尾 ============ */
.page-home .closing {
  background: var(--paper);
  padding: var(--home-band) 0 clamp(56px, 8vw, 96px);
}

.page-home .closing-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 40px);
  align-items: end;
}

.page-home .closing-title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3.8vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-home .closing-lede {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

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

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-home .metric-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 clamp(18px, 3vw, 36px);
  }

  .page-home .metric:nth-child(2) {
    border-top: 0;
    padding-top: 0;
  }

  .page-home .note-filter-btn {
    font-size: 14px;
    padding: 10px 22px;
  }

  .page-home .diff-visual {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (min-width: 820px) {
  .page-home .closing-inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.9fr);
  }

  .page-home .closing-actions {
    justify-content: flex-end;
  }

  .page-home .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-home .cover-inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
    gap: 0 clamp(20px, 2.6vw, 36px);
  }

  .page-home .cover-copy {
    grid-column: 1 / span 6;
    grid-row: 1;
    align-self: center;
  }

  .page-home .cover-visual {
    grid-column: 6 / -1;
    grid-row: 1;
    align-self: start;
    z-index: 1;
  }

  .page-home .cover-visual img {
    aspect-ratio: 5 / 4;
  }

  .page-home .cover-index {
    grid-column: 9 / -1;
    grid-row: 1;
    align-self: end;
    z-index: 2;
    margin-bottom: clamp(20px, 3vw, 36px);
    box-shadow: 0 24px 56px rgba(6, 23, 38, 0.32);
  }

  .page-home .cover-title {
    font-size: clamp(56px, 7vw, 88px);
  }

  .page-home .diff-row {
    grid-template-columns: minmax(110px, 0.85fr) minmax(0, 1.3fr) minmax(0, 1.3fr);
    gap: 0 clamp(18px, 2.4vw, 34px);
    padding: 20px 0;
    align-items: baseline;
  }

  .page-home .diff-cell--old {
    border-left: 1px solid var(--cyan);
    padding-left: clamp(18px, 2.4vw, 34px);
  }

  .page-home #diff-stack:checked ~ .diff-table .diff-row {
    grid-template-columns: minmax(110px, 0.85fr) minmax(0, 2.6fr);
    padding: 15px 0;
  }

  .page-home #diff-stack:checked ~ .diff-table .diff-key {
    grid-column: 1;
    grid-row: 1;
    align-self: center;
  }

  .page-home #diff-stack:checked ~ .diff-table .diff-cell--new {
    grid-column: 2;
    grid-row: 1;
  }

  .page-home #diff-stack:checked ~ .diff-table .diff-cell--old {
    grid-column: 2;
    grid-row: 2;
    padding-left: 0;
  }

  .page-home .note-list {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .note-card {
    grid-column: span 6;
  }

  .page-home .note-card--feature {
    grid-row: span 2;
  }

  .page-home .note-card--feature .note-fig img {
    aspect-ratio: 16 / 9;
  }
}

@media (min-width: 1000px) {
  .page-home .metric-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .metric {
    padding: 0 0 0 clamp(16px, 2vw, 28px);
    border-top: 0;
    border-left: 1px solid var(--ink-500);
  }

  .page-home .metric:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (hover: none) {
  .page-home .entry-open {
    max-height: 10em;
    opacity: 1;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--mist);
  }

  .page-home .entry:hover,
  .page-home .entry:focus-within {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .entry,
  .page-home .entry-open,
  .page-home .entry-link,
  .page-home .notes-more,
  .page-home .index-item,
  .page-home .note-filter-btn {
    transition: none;
  }

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