.page-home {
  --home-gap: 20px;
  --home-pad: 16px;
  background: var(--ink-900);
  color: var(--mist-100);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: 72px;
}

.page-home *,
.page-home *::before,
.page-home *::after {
  box-sizing: border-box;
}

.page-home img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-home .home-shell {
  max-width: var(--wrap-wide);
  margin: 0 auto;
  padding: 0 var(--home-pad);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
}

.page-home .home-flow {
  min-width: 0;
  padding-top: 8px;
}

/* 左侧索引轨道 */
.page-home .rail {
  min-width: 0;
  border-bottom: 1px solid var(--line-600);
  padding: 16px 0 14px;
}

.page-home .rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate-500);
}

.page-home .rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
}

.page-home .rail__item {
  flex: 0 0 auto;
}

.page-home .rail__link {
  display: block;
  padding: 7px 11px;
  font-size: 12px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--mist-dim);
  border: 1px solid var(--line-600);
  border-radius: var(--radius-s);
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.page-home .rail__link:hover,
.page-home .rail__link:focus-visible {
  color: var(--lime-200);
  border-color: var(--lime-400);
  outline: none;
}

.page-home .rail__item.is-active .rail__link {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-900);
  font-weight: 600;
}

/* 首屏拼贴 */
.page-home .hero {
  padding: 20px 0 52px;
}

.page-home .hero-collage {
  display: grid;
  gap: var(--home-gap);
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "title"
    "fig"
    "stat"
    "entry";
}

.page-home .cell-title {
  grid-area: title;
  position: relative;
  overflow: hidden;
  padding: 28px 20px 30px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(198, 255, 61, 0.14) 0%, rgba(198, 255, 61, 0) 58%),
    linear-gradient(160deg, var(--forest-700) 0%, var(--ink-raise) 68%);
}

.page-home .cell-title::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -90px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(198, 255, 61, 0.22);
  border-radius: 50%;
  pointer-events: none;
}

.page-home .hero-eyebrow {
  position: relative;
  z-index: 1;
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--lime-400);
}

.page-home .hero-title {
  position: relative;
  z-index: 1;
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(34px, 8.4vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--mist-100);
}

.page-home .hero-lede {
  position: relative;
  z-index: 1;
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-dim);
}

.page-home .hero-actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-home .h-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  font-size: 14px;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: var(--radius-s);
  border: 1px solid var(--line-600);
  transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.page-home .h-btn--solid {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-900);
  font-weight: 600;
}

.page-home .h-btn--solid:hover {
  background: var(--lime-200);
  border-color: var(--lime-200);
  transform: translateY(-1px);
}

.page-home .h-btn--ghost {
  color: var(--mist-100);
}

.page-home .h-btn--ghost:hover {
  border-color: var(--lime-400);
  color: var(--lime-200);
  transform: translateY(-1px);
}

.page-home .h-btn:focus-visible {
  outline: 2px solid var(--lime-400);
  outline-offset: 2px;
}

.page-home .cell-stat {
  grid-area: stat;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-600);
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .cell-stat__item {
  background: var(--charcoal-800);
  padding: 16px 12px;
}

.page-home .cell-stat__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate-500);
}

.page-home .cell-stat__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(24px, 6vw, 34px);
  line-height: 1.05;
  color: var(--lime-400);
}

.page-home .cell-stat__value small {
  margin-left: 4px;
  font-size: 12px;
  font-weight: 400;
  color: var(--mist-dim);
}

.page-home .cell-entry {
  grid-area: entry;
  display: grid;
  gap: 10px;
}

.page-home .entry-card {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--ink-raise);
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.page-home .entry-card:hover,
.page-home .entry-card:focus-visible {
  border-color: var(--lime-400);
  background: var(--charcoal-800);
  transform: translateY(-1px);
  outline: none;
}

.page-home .entry-card--accent {
  border-color: rgba(198, 255, 61, 0.45);
}

.page-home .entry-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-home .entry-card__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--mist-100);
}

.page-home .entry-card__arrow {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--lime-400);
  transition: transform var(--dur-fast) var(--ease-out);
}

.page-home .entry-card:hover .entry-card__arrow {
  transform: translateX(3px);
}

.page-home .entry-card__hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-dim);
}

.page-home .cell-fig {
  grid-area: fig;
  position: relative;
  min-height: 240px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: linear-gradient(180deg, var(--forest-700), var(--ink-900));
}

.page-home .cell-fig img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .cell-fig__tag {
  position: absolute;
  left: 14px;
  bottom: 14px;
  padding: 5px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist-100);
  background: rgba(11, 20, 18, 0.74);
  border: 1px solid var(--line-600);
  border-radius: var(--radius-s);
}

/* 章节通用 */
.page-home .section {
  border-top: 1px solid var(--line-600);
  padding: 44px 0;
}

.page-home .section-head {
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
}

.page-home .section-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lime-400);
}

.page-home .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--mist-100);
}

.page-home .section-summary {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist-dim);
}

.page-home .home-band {
  margin: 0 0 26px;
  overflow: hidden;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--charcoal-800);
}

.page-home .home-band img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-600);
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-home .timeline__item {
  background: var(--charcoal-800);
  padding: 18px 20px;
}

.page-home .timeline__time {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--orange-500);
}

.page-home .timeline__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist-100);
}

.page-home .note-col {
  margin: 26px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-dim);
}

.page-home .text-link {
  color: var(--lime-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.4);
  padding-bottom: 1px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.page-home .text-link:hover {
  color: var(--lime-400);
  border-color: var(--lime-400);
}

.page-home .text-link:focus-visible {
  outline: 2px solid var(--lime-400);
  outline-offset: 2px;
}

/* 场景筛选 */
.page-home .filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-home .filter-tag {
  font-family: var(--font-body);
  font-size: 13px;
  padding: 7px 14px;
  color: var(--mist-dim);
  background: transparent;
  border: 1px solid var(--line-600);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.page-home .filter-tag:hover {
  color: var(--lime-200);
  border-color: var(--lime-400);
}

.page-home .filter-tag.is-active {
  background: var(--lime-400);
  border-color: var(--lime-400);
  color: var(--ink-900);
  font-weight: 600;
}

.page-home .filter-tag:focus-visible {
  outline: 2px solid var(--lime-400);
  outline-offset: 2px;
}

.page-home .scene-layout {
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .scene-visual {
  margin: 0;
  min-height: 200px;
  overflow: hidden;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: linear-gradient(200deg, var(--forest-700), var(--ink-900));
}

.page-home .scene-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.page-home .scene-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--ink-raise);
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.page-home .scene-card:hover {
  border-color: var(--lime-400);
  transform: translateY(-1px);
}

.page-home .scene-card__tier {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate-500);
}

.page-home .scene-card__title {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist-100);
}

.page-home .scene-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-dim);
}

.page-home .scene-card__link {
  justify-self: start;
  font-size: 13px;
  color: var(--lime-200);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, 0.35);
  padding-bottom: 1px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.page-home .scene-card__link:hover {
  color: var(--lime-400);
  border-color: var(--lime-400);
}

.page-home .scene-card__link:focus-visible {
  outline: 2px solid var(--lime-400);
  outline-offset: 2px;
}

.page-home .scene-card[hidden],
.page-home .scene-card.is-hidden {
  display: none;
}

/* 数据带 */
.page-home .stat-band {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 26px;
  background: var(--line-600);
  border-top: 1px solid var(--line-600);
  border-bottom: 1px solid var(--line-600);
}

.page-home .stat-cell {
  background: var(--ink-900);
  padding: 18px 16px;
}

.page-home .stat-cell:first-child {
  background: var(--forest-700);
}

.page-home .stat-cell__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 30px;
  line-height: 1.1;
  color: var(--lime-400);
}

.page-home .stat-cell:nth-child(2) .stat-cell__num {
  color: var(--orange-500);
}

.page-home .stat-cell__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist-dim);
}

.page-home .trust-split {
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr);
}

.page-home .trust-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist-dim);
}

.page-home .trust-body p:last-child {
  margin-bottom: 0;
}

.page-home .trust-body strong {
  color: var(--mist-100);
  font-weight: 600;
}

.page-home .trust-fig {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--charcoal-800);
  box-shadow: var(--shadow-1);
}

.page-home .trust-fig img {
  width: 100%;
  height: auto;
}

/* 非对称卡片流 */
.page-home .path-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
}

.page-home .path-card {
  grid-column: span 6;
  display: grid;
  gap: 8px;
  padding: 20px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  background: var(--charcoal-800);
  transition: border-color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out), background-color var(--dur-fast) var(--ease-out);
}

.page-home .path-card:hover {
  border-color: var(--lime-400);
  background: var(--ink-raise);
  transform: translateY(-1px);
}

.page-home .path-card:focus-visible {
  outline: 2px solid var(--lime-400);
  outline-offset: 2px;
}

.page-home .path-card--lead {
  background: linear-gradient(150deg, var(--forest-700), var(--charcoal-800));
}

.page-home .path-card__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--slate-500);
}

.page-home .path-card--lead .path-card__kicker {
  color: var(--lime-200);
}

.page-home .path-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 21px;
  line-height: 1.3;
  color: var(--mist-100);
}

.page-home .path-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-dim);
}

.page-home .path-card__go {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime-200);
}

/* 中等屏幕 */
@media (min-width: 640px) {
  .page-home .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 720px) {
  .page-home .path-card--lead {
    grid-column: span 4;
  }

  .page-home .path-card--side {
    grid-column: span 2;
  }

  .page-home .path-card--half {
    grid-column: span 3;
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-home .hero {
    padding: 32px 0 72px;
  }

  .page-home .hero-collage {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    grid-template-areas:
      "title fig"
      "stat  fig"
      "entry fig";
  }

  .page-home .cell-title {
    padding: 42px 36px 40px;
  }

  .page-home .cell-stat__item {
    padding: 20px 16px;
  }

  .page-home .section {
    padding: 56px 0;
  }
}

@media (min-width: 860px) {
  .page-home .trust-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-home {
    --home-pad: 32px;
  }

  .page-home .home-shell {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 0;
    align-items: start;
  }

  .page-home .rail {
    position: sticky;
    top: calc(var(--header-h-compact) + 24px);
    align-self: start;
    max-height: calc(100vh - var(--header-h-compact) - 48px);
    overflow-y: auto;
    padding: 40px 24px 40px 0;
    border-bottom: 0;
    border-right: 1px solid var(--line-600);
  }

  .page-home .rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-home .rail__link {
    padding: 8px 10px;
    border-color: transparent;
  }

  .page-home .rail__item.is-active .rail__link {
    border-color: var(--lime-400);
  }

  .page-home .home-flow {
    padding: 0 0 0 40px;
  }
}

@media (min-width: 1200px) {
  .page-home .hero-collage {
    gap: 24px;
  }

  .page-home .cell-title {
    padding: 52px 44px 48px;
  }
}