.page-home {
  --home-panel-cut: 20px;
  --home-rail-top: calc(var(--space-8) + var(--space-6));
  display: block;
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--space-8) + var(--space-2)) 0 var(--space-6);
  background: var(--color-surface);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .home-deco {
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.page-home .home-deco--ring {
  width: 132px;
  height: 132px;
  top: -34px;
  right: -42px;
  border: var(--border-thick) solid var(--color-primary);
  border-radius: 50%;
  opacity: 0.38;
}

.page-home .home-deco--pill {
  width: 108px;
  height: 30px;
  left: -34px;
  bottom: 96px;
  background: var(--color-accent);
  border-radius: var(--radius-pill);
  opacity: 0.42;
}

.page-home .home-deco--dot {
  width: 18px;
  height: 18px;
  left: 46%;
  top: 24px;
  background: var(--color-primary);
  border-radius: 50%;
  opacity: 0.7;
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
}

.page-home .home-context {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

.page-home .home-context__sep {
  margin: 0 var(--space-1);
  color: var(--color-line);
}

.page-home .home-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-home .home-hero__text {
  margin: var(--space-3) 0 0;
  max-width: 46ch;
  color: var(--color-ink-soft);
}

.page-home .home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

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

.page-home .home-hero__figure {
  margin: 0;
  border: var(--border-thick) solid var(--color-contrast-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-home .home-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-home .home-readout {
  position: relative;
  z-index: 2;
  margin: calc(var(--space-6) * -1) 0 0 var(--space-2);
  padding: var(--space-4);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  box-shadow: inset 0 0 0 var(--border-thin) var(--color-contrast-line);
  clip-path: polygon(
    0 0,
    100% 0,
    100% calc(100% - var(--home-panel-cut)),
    calc(100% - var(--home-panel-cut)) 100%,
    0 100%
  );
}

.page-home .home-readout__label {
  margin: 0 0 var(--space-3);
  color: var(--color-contrast-accent);
  letter-spacing: 0.08em;
}

.page-home .readout-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-home .readout-item {
  display: grid;
  gap: 2px;
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .readout-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .readout-num {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-contrast-accent);
  letter-spacing: -0.02em;
}

.page-home .readout-unit {
  margin-left: 4px;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-body);
  color: var(--color-contrast-ink);
  opacity: 0.75;
  letter-spacing: 0;
}

.page-home .readout-label {
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-home .readout-note {
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
  opacity: 0.68;
  transition: opacity 150ms ease-out;
}

@media (hover: hover) and (min-width: 960px) {
  .page-home .readout-note {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: max-height 160ms ease-out, opacity 160ms ease-out;
  }
  .page-home .readout-item:hover .readout-note,
  .page-home .readout-item:focus-within .readout-note {
    max-height: 4em;
    opacity: 0.78;
  }
}

/* ---------- 主体网格 + 索引栏 ---------- */
.page-home .home-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: start;
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

.page-home .home-rail__nav {
  margin-top: var(--space-2);
}

.page-home .home-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-home .home-rail__link {
  display: block;
  padding: 4px 0 4px var(--space-2);
  border-left: var(--border-thick) solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color 150ms ease-out, border-color 150ms ease-out;
}

.page-home .home-rail__link:hover,
.page-home .home-rail__link:focus-visible {
  color: var(--color-ink);
  border-left-color: var(--color-primary);
}

.page-home .home-rail__link.is-active {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
  border-left-color: var(--color-accent);
}

.page-home .home-rail__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 区块通用 ---------- */
.page-home .home-section {
  position: relative;
  padding: var(--space-6) var(--space-3);
  border-radius: var(--radius-lg);
}

.page-home .home-section + .home-section {
  margin-top: var(--space-6);
}

.page-home .home-section__head {
  margin-bottom: var(--space-4);
}

.page-home .home-section__lead {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-home .home-section__head .h-section {
  margin: var(--space-1) 0 0;
}

/* 能力区 */
.page-home .home-abilities {
  background: var(--color-surface);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.page-home .ability-collage {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-home .ability {
  padding: var(--space-4);
}

.page-home .ability__tag {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.12em;
}

.page-home .ability__tag--dark {
  color: var(--color-contrast-accent);
}

.page-home .ability__title {
  margin: 0 0 var(--space-2);
}

.page-home .ability__text {
  margin: 0;
  color: var(--color-ink-soft);
}

.page-home .ability__figure {
  margin: var(--space-3) 0 0;
}

.page-home .ability--score {
  color: var(--color-contrast-ink);
}

.page-home .ability--score .ability__text {
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-home .ability__meters {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: var(--space-3) 0 0;
  padding: var(--space-2) 0 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-home .ability__meters .mono {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-contrast-accent);
  margin-right: 4px;
}

.page-home .ability--alert {
  background: var(--color-primary-soft);
  border: var(--border-thin) solid var(--color-primary);
  box-shadow: var(--shadow-2);
}

.page-home .ability--alert .ability__text {
  color: var(--color-ink);
}

/* 目录区 */
.page-home .home-directory {
  background: var(--color-surface-alt);
}

.page-home .directory-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .directory-row {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .directory-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-2) var(--space-3);
  align-items: start;
  padding: var(--space-3) var(--space-2);
  text-decoration: none;
  color: var(--color-ink);
  transition: background-color 150ms ease-out;
}

.page-home .directory-link:hover,
.page-home .directory-link:focus-visible {
  background: var(--color-highlight);
}

.page-home .directory-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
  padding-top: 3px;
}

.page-home .directory-body {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-home .directory-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1.24;
  color: var(--color-ink);
}

.page-home .directory-desc {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.page-home .directory-go {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  color: var(--color-accent);
  align-self: center;
}

.page-home .directory-row--feature .directory-link {
  grid-template-columns: auto minmax(0, 1fr);
}

.page-home .directory-thumb {
  grid-column: 1 / -1;
  display: block;
  margin-top: var(--space-2);
  border: var(--border-thin) solid var(--color-ink);
  border-radius: var(--radius-md);
  overflow: hidden;
}

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

/* 数据口径区 */
.page-home .home-rules {
  background: var(--color-surface-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-home .rules-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: start;
}

.page-home .rule-lead {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-accent);
  font-size: var(--text-lg);
  line-height: 1.5;
  color: var(--color-ink);
}

.page-home .rules-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-home .rules-facts li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: baseline;
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .rules-facts li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-home .rules-facts__num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}

.page-home .rules-facts__text {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink);
}

.page-home .rules-foot {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-home .rules-figure {
  margin: 0;
}

/* 联络区 */
.page-home .home-support {
  background: var(--color-surface-alt);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}

.page-home .support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-home .support-card {
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  transition: border-color 150ms ease-out, background-color 150ms ease-out;
}

.page-home .support-card:hover {
  border-color: var(--color-primary);
  background: var(--color-surface-deep);
}

.page-home .support-card .h-item {
  margin: 0 0 var(--space-1);
}

.page-home .support-card p {
  margin: 0;
  color: var(--color-ink-soft);
}

.page-home .support-link-line {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-home .support-link-line a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 150ms ease-out;
}

.page-home .support-link-line a:hover,
.page-home .support-link-line a:focus-visible {
  color: var(--color-focus);
}

/* 路径收口区 */
.page-home .home-routes {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: 0;
  border-left: 0;
  border-radius: 0;
}

.page-home .routes-frame {
  padding: var(--space-4) var(--space-4) var(--space-6);
}

.page-home .routes-ticks {
  height: 14px;
  margin-bottom: var(--space-4);
  background-image: repeating-linear-gradient(
    to right,
    var(--color-contrast-line) 0 2px,
    transparent 2px 22px
  );
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .routes-title {
  margin: 0;
  color: var(--color-contrast-ink);
}

.page-home .routes-text {
  margin: var(--space-2) 0 var(--space-4);
  max-width: var(--measure);
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-home .route-paths {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-home .route-path {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: baseline;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .route-path__step {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
}

.page-home .route-path__body {
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-contrast-ink);
}

.page-home .route-path__body a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity 150ms ease-out;
}

.page-home .route-path__body a:hover,
.page-home .route-path__body a:focus-visible {
  opacity: 0.78;
}

/* ---------- 图片通用 ---------- */
.page-home .figure-frame {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.page-home .figure-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-home .figure-caption {
  font-size: var(--text-xs);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .home-section {
    padding: var(--space-6) var(--space-4);
  }

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

  .page-home .directory-row--feature .directory-link {
    grid-template-columns: auto minmax(0, 1fr) 220px;
  }

  .page-home .directory-thumb {
    grid-column: 3;
    margin-top: 0;
    align-self: center;
  }

  .page-home .rules-grid {
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: var(--space-6);
  }
}

@media (min-width: 960px) {
  .page-home .home-hero {
    padding: var(--section-y-lg) 0 var(--section-y);
  }

  .page-home .home-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
  }

  .page-home .home-deco--ring {
    width: 180px;
    height: 180px;
    top: -54px;
    right: 34%;
  }

  .page-home .home-deco--pill {
    left: -48px;
    bottom: 148px;
  }

  .page-home .home-grid {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: var(--space-8);
    padding-top: var(--section-y-lg);
    padding-bottom: var(--section-y-lg);
  }

  .page-home .home-rail {
    position: sticky;
    top: var(--home-rail-top);
  }

  .page-home .home-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: var(--space-1);
  }

  .page-home .home-section {
    padding: var(--space-8) var(--space-6);
  }

  .page-home .home-section + .home-section {
    margin-top: var(--space-8);
  }

  .page-home .ability-collage {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-4) var(--space-3);
    align-items: start;
  }

  .page-home .ability--search {
    grid-column: 1 / span 5;
  }

  .page-home .ability--score {
    grid-column: 6 / span 7;
    margin-top: var(--space-8);
  }

  .page-home .ability--alert {
    grid-column: 2 / span 7;
    margin-top: calc(var(--space-4) * -1);
  }

  .page-home .home-readout {
    margin-left: calc(var(--space-4) * -1);
  }

  .page-home .routes-frame {
    padding: var(--space-6) var(--space-6) var(--space-8);
  }
}

@media (min-width: 1200px) {
  .page-home .ability--alert {
    grid-column: 2 / span 6;
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home *,
  .page-home *::before,
  .page-home *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>