.page-home {
  --home-gap: clamp(48px, 7vw, 88px);
  --home-rule: 1px solid var(--line-paper);
}

.page-home .section {
  padding-top: var(--home-gap);
  padding-bottom: var(--home-gap);
}

/* ---------- 01 封面 ---------- */
.page-home .home-cover {
  position: relative;
  padding: calc(var(--header-h) + 28px) 0 clamp(40px, 6vw, 72px);
  background:
    repeating-linear-gradient(0deg, rgba(36, 35, 31, .014) 0 1px, transparent 1px 4px),
    linear-gradient(180deg, #FCF8F1 0%, var(--sand) 58%, var(--paper) 100%);
  border-bottom: var(--home-rule);
  overflow: hidden;
}

.page-home .home-cover::after {
  content: "";
  position: absolute;
  right: -12%;
  top: -20%;
  width: 58%;
  height: 120%;
  background: radial-gradient(closest-side, rgba(255, 122, 26, .10), transparent 78%);
  pointer-events: none;
}

.page-home .home-cover .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 20px;
}

.page-home .cover-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 28px;
}

.page-home .cover-main .title-display {
  margin: 0 0 16px;
  max-width: 15em;
}

.page-home .cover-lead {
  max-width: 30em;
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--charcoal);
}

.page-home .cover-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--blue);
}

.page-home .cover-issue {
  display: flex;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--charcoal);
}

.page-home .cover-issue span {
  padding: 4px 9px;
  background: var(--orange-soft);
  border: 1px solid rgba(217, 95, 11, .28);
  border-radius: var(--radius);
}

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

.page-home .task-link {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px 12px 12px 14px;
  background: var(--card);
  border: 1px solid var(--line-paper);
  border-left: 2px solid var(--orange);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  color: var(--ink);
  text-decoration: none;
  transition: background var(--t-fast) var(--ease), transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-home .task-link:hover,
.page-home .task-link:focus-visible {
  background: var(--orange);
  border-left-color: var(--ink);
  transform: translateY(-2px);
}

.page-home .task-link:hover .task-desc,
.page-home .task-link:focus-visible .task-desc {
  color: var(--ink);
}

.page-home .task-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--orange-deep);
  padding-top: 2px;
}

.page-home .task-link:hover .task-num,
.page-home .task-link:focus-visible .task-num {
  color: var(--ink);
}

.page-home .task-body {
  display: block;
}

.page-home .task-title {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.4;
}

.page-home .task-desc {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--charcoal);
}

.page-home .cover-media {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-paper);
  box-shadow: var(--shadow-lift);
}

.page-home .cover-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.55) contrast(1.02);
}

/* ---------- 02 场景带 ---------- */
.page-home .scene-lead {
  margin: 14px 0 26px;
  max-width: 34em;
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding-bottom: 18px;
  margin-bottom: 8px;
  border-bottom: var(--home-rule);
}

.page-home .filter-status {
  width: 100%;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--blue-mid);
}

.page-home .band-stack {
  display: grid;
  gap: 0;
}

.page-home .band-band {
  display: grid;
  gap: 14px;
  padding: 26px 0;
  border-bottom: var(--home-rule);
}

.page-home .band-head {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 14px;
  align-items: start;
}

.page-home .band-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  background: var(--orange-soft);
  border: 1px solid rgba(217, 95, 11, .32);
  border-radius: var(--radius);
}

.page-home .band-band .title-sub {
  margin: 0 0 6px;
}

.page-home .band-desc {
  margin: 0;
  max-width: 32em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--charcoal);
}

.page-home .band-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .band-links a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: var(--card);
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-home .band-links a span {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--orange-deep);
  transition: transform var(--t-fast) var(--ease);
}

.page-home .band-links a:hover,
.page-home .band-links a:focus-visible {
  border-color: var(--orange);
  color: var(--orange-deep);
  transform: translateY(-1px);
}

.page-home .band-links a:hover span,
.page-home .band-links a:focus-visible span {
  transform: translateX(4px);
}

.page-home .band-band--media {
  background: linear-gradient(180deg, rgba(235, 227, 214, .55), rgba(235, 227, 214, 0));
  padding-left: 0;
  padding-right: 0;
}

.page-home .band-media {
  margin: 2px 0 4px;
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-home .band-media img,
.page-home .compare-media img,
.page-home .keep-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.55) contrast(1.02);
}

/* ---------- 03 修订 ---------- */
.page-home .home-revision {
  background: linear-gradient(180deg, rgba(255, 233, 216, .55), rgba(255, 233, 216, 0));
  border-top: var(--home-rule);
  border-bottom: var(--home-rule);
}

.page-home .revision-grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-home .revision-card {
  padding: 20px 18px;
  background: var(--card);
  border: 1px solid var(--line-paper);
  border-left: 2px solid var(--orange);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.page-home .revision-card--cool {
  border-left-color: var(--blue);
  background: var(--blue-soft);
}

.page-home .revision-card .stat {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.page-home .stat-unit {
  margin-left: 4px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--charcoal);
}

.page-home .revision-card .stat-label {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--charcoal);
}

.page-home .revision-foot {
  display: grid;
  gap: 14px;
  margin-top: 24px;
  align-items: center;
}

.page-home .revision-foot .prose {
  margin: 0;
  max-width: 34em;
}

/* ---------- 04 对照 ---------- */
.page-home .compare-lead {
  margin: 14px 0 26px;
  max-width: 34em;
}

.page-home .compare-set {
  display: grid;
  gap: 16px;
}

.page-home .compare-card {
  padding: 18px;
  background: var(--card);
  border: 1px solid var(--line-cool);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
}

.page-home .compare-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .07em;
  color: var(--blue);
}

.page-home .compare-col .compare-code {
  margin: 8px 0 6px;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: .06em;
  color: var(--ink);
}

.page-home .compare-col .compare-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--charcoal);
}

.page-home .compare-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-cool);
}

.page-home .compare-time {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--blue-mid);
}

.page-home .compare-media {
  margin: 22px 0 0;
  border: 1px solid var(--line-cool);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.page-home .compare-path {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--charcoal);
}

.page-home .compare-path a {
  color: var(--orange-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 95, 11, .4);
}

.page-home .compare-path a:hover,
.page-home .compare-path a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- 05 收藏 ---------- */
.page-home .home-keep {
  background: var(--sand);
  border-top: var(--home-rule);
}

.page-home .keep-grid {
  display: grid;
  gap: 26px;
}

.page-home .keep-lead {
  margin: 14px 0 20px;
  max-width: 34em;
}

.page-home .keep-media {
  margin: 0;
  border: 1px solid var(--line-paper);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow);
}

.page-home .keep-media .media-cap {
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--blue);
  border-top: 1px solid var(--line-paper);
  background: var(--card);
}

.page-home .keep-main .accordion {
  border-top: var(--home-rule);
}

.page-home .keep-tail {
  display: grid;
  gap: 16px;
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--line-paper);
}

.page-home .keep-tail-text {
  margin: 0;
  max-width: 36em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--charcoal);
}

.page-home .keep-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 浮动章节索引 ---------- */
.page-home .home-dock {
  display: none;
}

@media (min-width: 640px) {
  .page-home .band-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-home .revision-foot {
    grid-template-columns: 1fr auto;
  }
}

@media (min-width: 920px) {
  .page-home .cover-grid {
    grid-template-columns: minmax(0, 1fr) 290px 250px;
    gap: 40px;
    align-items: start;
  }

  .page-home .cover-media {
    height: 100%;
    min-height: 380px;
  }

  .page-home .cover-main .title-display {
    font-size: 40px;
    line-height: 1.22;
  }

  .page-home .band-band {
    grid-template-columns: minmax(0, 1fr) 380px;
    align-items: start;
    gap: 36px;
    padding: 34px 0;
  }

  .page-home .band-band--media {
    grid-template-columns: minmax(0, 1fr) 420px;
  }

  .page-home .band-band--media .band-head {
    grid-column: 1;
  }

  .page-home .band-band--media .band-media {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin: 0;
  }

  .page-home .band-band--media .band-links {
    grid-column: 1;
  }

  .page-home .band-band:not(.band-band--media) .band-links {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .compare-set {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .keep-grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
    gap: 40px;
  }

  .page-home .home-dock {
    position: fixed;
    right: 18px;
    bottom: 22px;
    z-index: 20;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: rgba(253, 250, 244, .96);
    border: 1px solid var(--line-paper);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lift);
    backdrop-filter: blur(4px);
  }

  .page-home .home-dock .dock-num {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .07em;
    padding: 3px 7px;
    color: var(--ink);
    background: var(--orange-soft);
    border-radius: var(--radius);
  }

  .page-home .home-dock a {
    font-size: 13px;
    color: var(--charcoal);
    text-decoration: none;
    padding: 2px 4px;
    border-bottom: 1px solid transparent;
  }

  .page-home .home-dock a:hover,
  .page-home .home-dock a:focus-visible {
    color: var(--orange-deep);
    border-bottom-color: var(--orange);
  }

  .page-home .home-dock .to-top {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .04em;
    padding: 5px 9px;
    color: var(--ink);
    background: var(--card);
    border: 1px solid var(--line-paper);
    border-radius: var(--radius);
    cursor: pointer;
  }

  .page-home .home-dock .to-top:hover,
  .page-home .home-dock .to-top:focus-visible {
    border-color: var(--orange);
    color: var(--orange-deep);
  }
}

@media (min-width: 1080px) {
  .page-home .cover-main .title-display {
    font-size: 44px;
  }

  .page-home .band-band {
    grid-template-columns: minmax(0, 1fr) 440px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .task-link,
  .page-home .band-links a,
  .page-home .band-links a span {
    transition: none;
  }

  .page-home .task-link:hover,
  .page-home .band-links a:hover {
    transform: none;
  }
}
<<<END>>>