.page-home {
  --home-rail-w: 264px;
  --home-gap: clamp(20px, 3vw, 44px);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
}

.page-home .mono,
.page-home .status-value,
.page-home .case-tag,
.page-home .compare-label,
.page-home .hero-version .mono,
.page-home .assist-mail {
  font-family: var(--font-mono);
}

.page-home .home-context {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--line);
}

.page-home .home-context span + span::before {
  content: "/";
  margin-right: 14px;
  color: var(--line-strong);
}

.page-home .home-shell {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

/* ---------- 左侧章节索引 ---------- */

.page-home .home-rail {
  padding: 20px 0 16px;
  border-bottom: 1px solid var(--line);
}

.page-home .rail-head {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  margin: 0 0 10px;
}

.page-home .rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
}

.page-home .rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 5px 10px 5px 8px;
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-soft);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-home .rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--grape);
}

.page-home .rail-link:hover,
.page-home .rail-link:focus-visible {
  border-color: var(--grape);
  color: var(--ink);
}

.page-home .rail-link[aria-current="true"] {
  background: var(--grape);
  border-color: var(--grape);
  color: var(--white);
}

.page-home .rail-link[aria-current="true"] .rail-num {
  color: var(--green);
}

.page-home .rail-foot {
  display: none;
}

@media (min-width: 940px) {
  .page-home .home-shell {
    grid-template-columns: var(--home-rail-w) minmax(0, 1fr);
    column-gap: var(--home-gap);
  }

  .page-home .home-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    align-self: start;
    border-bottom: 0;
    padding: 44px 0 24px;
  }

  .page-home .rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    border-left: 1px solid var(--line);
  }

  .page-home .rail-link {
    border: 0;
    border-left: 2px solid transparent;
    margin-left: -1px;
    padding: 7px 0 7px 14px;
    font-size: 13.5px;
  }

  .page-home .rail-link:hover,
  .page-home .rail-link:focus-visible {
    border-left-color: var(--violet-soft);
  }

  .page-home .rail-link[aria-current="true"] {
    background: transparent;
    color: var(--ink);
    border-left-color: var(--grape);
  }

  .page-home .rail-link[aria-current="true"] .rail-num {
    color: var(--grape);
  }

  .page-home .rail-foot {
    display: block;
    margin: 18px 0 0;
    padding-left: 15px;
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: 0.1em;
    color: var(--ink-faint);
  }
}

/* ---------- 通用章节 ---------- */

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

.page-home .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--grape);
  margin: 0 0 14px;
}

.page-home .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--ink);
}

.page-home .section-lede {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  color: var(--ink-soft);
}

.page-home .home-section {
  padding: clamp(46px, 6.5vw, 84px) 0;
  border-top: 1px solid var(--line);
}

.page-home .section-head {
  margin-bottom: clamp(22px, 3vw, 36px);
}

/* ---------- 首屏 ---------- */

.page-home .home-hero {
  padding: 30px 0 8px;
}

.page-home .hero-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 860px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(24px, 3vw, 48px);
    align-items: start;
  }
}

.page-home h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.6vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--ink);
}

.page-home .lead {
  max-width: 46ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-home .hero-version {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 0;
  padding: 7px 12px;
  border: 1px solid var(--line-strong);
  font-size: 12.5px;
  color: var(--ink-soft);
}

.page-home .hero-version .mono {
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--grape);
}

.page-home .hero-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--night);
  border: 1px solid var(--line-strong);
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(205deg, rgba(107, 47, 168, 0.34), rgba(42, 18, 64, 0) 52%, rgba(42, 18, 64, 0.58));
  pointer-events: none;
}

.page-home .hero-tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  background: var(--night);
  color: var(--on-night);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  border-top: 1px solid var(--line-night);
  border-right: 1px solid var(--line-night);
}

.page-home .hero-tag .mono {
  color: var(--green);
  letter-spacing: 0.1em;
}

.page-home .hero-index {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-home .hero-index-lede {
  margin: 0 0 6px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  color: var(--ink-soft);
}

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

.page-home .index-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  column-gap: 16px;
  row-gap: 2px;
  align-items: center;
  padding: 15px 6px 15px 4px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: var(--ink);
  transition: background-color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-home .index-list li:first-child .index-card {
  border-top: 1px solid var(--line);
}

.page-home .index-card:hover,
.page-home .index-card:focus-visible {
  background: rgba(107, 47, 168, 0.06);
  padding-left: 12px;
}

.page-home .index-num {
  grid-column: 1;
  grid-row: 1 / 3;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--violet-soft);
  transition: color 0.2s var(--ease);
}

.page-home .index-card:hover .index-num {
  color: var(--grape);
}

.page-home .index-name {
  grid-column: 2;
  grid-row: 1;
  font-size: 16px;
  font-weight: 700;
}

.page-home .index-desc {
  grid-column: 2;
  grid-row: 2;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-home .index-go {
  grid-column: 3;
  grid-row: 1 / 3;
  font-size: 16px;
  color: var(--green-deep);
}

/* ---------- 索引摘要 ---------- */

.page-home .status-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

@media (min-width: 700px) {
  .page-home .status-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-home .status-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .status-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-content: start;
  gap: 3px 10px;
  padding: 16px 18px;
  background: var(--white);
  transition: background-color 0.2s var(--ease);
}

.page-home .status-dot {
  width: 8px;
  height: 8px;
  margin-top: 9px;
  background: var(--green);
}

.page-home .status-label {
  font-size: 13px;
  color: var(--ink-soft);
}

.page-home .status-value {
  grid-column: 2;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.page-home .status-note {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--ink-faint);
}

@media (hover: hover) and (pointer: fine) {
  .page-home .status-item:hover {
    background: rgba(143, 209, 79, 0.13);
  }

  .page-home .status-item .status-note {
    max-height: 0;
    margin-top: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 0.24s var(--ease), opacity 0.2s var(--ease), margin-top 0.24s var(--ease);
  }

  .page-home .status-item:hover .status-note,
  .page-home .status-item:focus-within .status-note,
  .page-home .status-item:focus .status-note {
    max-height: 140px;
    margin-top: 6px;
    opacity: 1;
  }
}

.page-home .digest-row {
  margin-top: 20px;
  display: grid;
  gap: 18px;
}

@media (min-width: 780px) {
  .page-home .digest-row {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: 20px;
  }
}

.page-home .digest-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--apricot-soft);
}

.page-home .digest-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .digest-links {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-home .link-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  border: 1px solid var(--line-strong);
  background: var(--white);
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-home .link-card .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grape);
}

.page-home .link-card span:last-child {
  margin-left: auto;
  color: var(--green-deep);
}

.page-home .link-card:hover,
.page-home .link-card:focus-visible {
  border-color: var(--grape);
  background: rgba(107, 47, 168, 0.05);
}

/* ---------- 三步指南 ---------- */

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

@media (min-width: 820px) {
  .page-home .guide-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(26px, 3.5vw, 52px);
    align-items: start;
  }
}

.page-home .guide-media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--apricot-soft);
}

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

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

.page-home .step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

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

.page-home .step-num {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: var(--grape);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
}

.page-home .step-body {
  min-width: 0;
}

.page-home .step h3 {
  margin: 2px 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-home .step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-home .sample {
  margin-top: 11px;
  padding: 10px 12px;
  background: var(--night);
  color: var(--on-night);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 1.65;
  border-left: 3px solid var(--green);
  user-select: all;
  word-break: break-word;
}

.page-home .sample-hint {
  margin-top: 6px !important;
  font-size: 11.5px !important;
  letter-spacing: 0.06em;
  color: var(--ink-faint) !important;
}

.page-home .guide-more {
  margin: 22px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

.page-home .guide-more a {
  color: var(--grape);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 版本对照 ---------- */

.page-home .home-section--night {
  background: var(--night);
  color: var(--white);
  border-top: 0;
  padding: clamp(32px, 4.5vw, 62px) clamp(20px, 3vw, 40px);
}

.page-home .home-section--night .eyebrow {
  color: var(--green);
}

.page-home .home-section--night .section-title {
  color: var(--white);
}

.page-home .home-section--night .section-lede {
  color: var(--on-night);
}

.page-home .version-media {
  margin: 0 0 24px;
  border: 1px solid var(--line-night);
  background: rgba(255, 255, 255, 0.04);
}

.page-home .version-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-home .compare-grid {
  display: grid;
  gap: 18px;
}

@media (min-width: 760px) {
  .page-home .compare-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }
}

.page-home .compare-panel {
  padding: 16px;
  border: 1px solid var(--line-night);
  background: rgba(255, 255, 255, 0.03);
}

.page-home .compare-label {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-home .mock {
  display: grid;
  gap: 8px;
}

.page-home .mock--desktop {
  grid-template-columns: 62px minmax(0, 1fr);
}

.page-home .mock--mobile {
  grid-template-columns: minmax(0, 1fr);
  max-width: 220px;
}

.page-home .mock-rail {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-home .mock-rail span {
  display: block;
  height: 6px;
  background: rgba(255, 255, 255, 0.12);
}

.page-home .mock-rail span:first-child {
  background: var(--violet-soft);
}

.page-home .mock-head {
  height: 16px;
  background: rgba(255, 255, 255, 0.18);
}

.page-home .mock-body {
  display: grid;
  gap: 8px;
}

.page-home .mock-block {
  height: 22px;
  background: rgba(168, 123, 214, 0.28);
  border-left: 2px solid rgba(255, 255, 255, 0.22);
}

.page-home .mock-block--tall {
  height: 52px;
  background: rgba(143, 209, 79, 0.16);
  border-left-color: var(--green);
}

.page-home .version-foot {
  margin: 20px 0 0;
  font-size: 13.5px;
  color: var(--on-night);
}

.page-home .version-foot a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green);
}

.page-home .version-foot a:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 案例回查 ---------- */

.page-home .case-grid {
  display: grid;
  gap: 14px;
}

@media (min-width: 620px) {
  .page-home .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-home .case-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-home .case-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  background: var(--white);
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-home .case-card:hover,
.page-home .case-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--violet-soft);
}

.page-home .case-tag {
  font-size: 10.5px;
  letter-spacing: 0.12em;
  color: var(--grape);
}

.page-home .case-card h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}

.page-home .case-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-home .case-go {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--green-deep);
}

/* ---------- 人工协助 ---------- */

.page-home .home-section--assist {
  background: var(--apricot-soft);
  border-top: 0;
  padding: clamp(32px, 4.5vw, 60px) clamp(20px, 3vw, 40px);
}

.page-home .assist-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 800px) {
  .page-home .assist-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: clamp(24px, 4vw, 56px);
    align-items: start;
  }
}

.page-home .assist-copy p {
  margin: 0;
  font-size: 14.5px;
  color: var(--ink-soft);
}

.page-home .assist-mail {
  display: inline-block;
  margin-top: 16px !important;
  padding: 9px 12px;
  background: var(--white);
  border: 1px solid var(--line-strong);
  font-size: 13.5px;
  color: var(--ink);
  user-select: all;
  word-break: break-all;
}

.page-home .assist-card {
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--line-strong);
}

.page-home .assist-card-title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
}

.page-home .assist-card ul {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .assist-card li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-home .assist-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--green);
}

.page-home .assist-card .btn {
  display: block;
  text-align: center;
  text-decoration: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-home .rail-link,
  .page-home .index-card,
  .page-home .status-item,
  .page-home .status-item .status-note,
  .page-home .link-card,
  .page-home .case-card {
    transition: none;
  }

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