.page-home {
  --home-frame-deep: var(--border-thick) solid var(--color-contrast-line);
  --home-frame-light: var(--border-thick) solid var(--color-line);
}

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

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

/* ---------- 首屏框景 ---------- */

.page-home .home-hero {
  position: relative;
  padding-block: var(--space-8) var(--space-6);
  overflow: hidden;
}

.page-home .home-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: repeating-linear-gradient(
    0deg,
    color-mix(in srgb, var(--color-contrast-line) 60%, transparent) 0 1px,
    transparent 1px 9px
  );
  opacity: 0.28;
  pointer-events: none;
}

.page-home .home-hero > .container {
  position: relative;
  z-index: 1;
}

.page-home .home-hero__crumbs {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

.page-home .home-hero__frameframe {
  position: relative;
}

.page-home .home-hero__frame {
  position: relative;
  border: var(--home-frame-deep);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}

.page-home .home-hero__frame::before,
.page-home .home-hero__frame::after {
  content: "";
  position: absolute;
  width: 56px;
  height: var(--border-thick);
  background-color: var(--color-contrast-accent);
}

.page-home .home-hero__frame::before {
  top: calc(var(--border-thick) * -1);
  left: var(--space-4);
}

.page-home .home-hero__frame::after {
  bottom: calc(var(--border-thick) * -1);
  right: var(--space-4);
}

.page-home .home-hero__grid {
  display: grid;
  gap: var(--space-4);
}

.page-home .home-hero__kicker {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-home .home-hero__kicker .num {
  color: var(--color-contrast-accent);
  font-weight: 700;
}

.page-home .home-hero__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  overflow-wrap: anywhere;
}

.page-home .home-hero__lead {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-contrast-ink);
  opacity: 0.88;
}

.page-home .home-hero__figures {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: var(--space-4) 0 0;
  border-top: var(--border-thin) solid var(--color-contrast-line);
  display: grid;
  gap: var(--space-3);
}

.page-home .home-stat__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-figure);
  line-height: 1.05;
  color: var(--color-contrast-accent);
  font-variant-numeric: tabular-nums;
}

.page-home .home-stat__unit {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-contrast-ink);
  letter-spacing: 0.04em;
}

.page-home .home-stat__note {
  margin: var(--space-1) 0 0;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-contrast-ink);
  opacity: 0.66;
}

.page-home .home-hero__window {
  display: flex;
  align-items: flex-start;
}

.page-home .home-hero__scale {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-home .home-hero__scale-label {
  flex: 0 0 auto;
  color: var(--color-contrast-ink);
  opacity: 0.7;
  letter-spacing: 0.08em;
}

.page-home .home-hero__scale-list {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .home-hero__scale-list .round-scale__item {
  flex: 1 0 auto;
  min-width: 48px;
  padding: var(--space-1) 0;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-contrast-ink);
  opacity: 0.6;
  border-left: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-hero__scale-list .round-scale__item:last-child {
  border-right: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-hero__scale-list .round-scale__item.is-active {
  background-color: var(--color-accent);
  color: var(--color-accent-ink);
  opacity: 1;
  font-weight: 700;
}

/* ---------- 通用图片展签 ---------- */

.page-home .home-shot {
  margin: 0;
}

.page-home .home-shot__frame {
  position: relative;
  border: var(--home-frame-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--color-surface-deep);
}

.page-home .home-shot--deep .home-shot__frame {
  border-color: var(--color-contrast-line);
  background-color: var(--color-contrast-surface);
}

.page-home .home-shot__frame--half {
  aspect-ratio: 12 / 7;
}

.page-home .home-shot__frame--wide {
  aspect-ratio: 5 / 2;
}

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

.page-home .home-shot__cap {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-home .home-shot--deep .home-shot__cap {
  color: var(--color-contrast-ink);
  opacity: 0.72;
}

.page-home .home-shot__tag {
  flex: 0 0 auto;
  font-weight: 700;
  color: var(--color-primary);
}

.page-home .home-shot--deep .home-shot__tag {
  color: var(--color-contrast-accent);
}

/* ---------- 六个分组 ---------- */

.page-home .home-groups__stack {
  display: grid;
  gap: var(--space-2);
}

.page-home .home-group {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  background-color: var(--color-surface-alt);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
  transition: background-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.page-home .home-group:nth-child(even) {
  background-color: var(--color-surface-deep);
  border-left-color: var(--color-accent);
}

.page-home .home-group:hover,
.page-home .home-group:focus-within {
  background-color: var(--color-highlight);
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.page-home .home-group__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-primary);
  line-height: 1;
}

.page-home .home-group:nth-child(even) .home-group__num {
  color: var(--color-accent);
}

.page-home .home-group__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .home-group__desc {
  margin: var(--space-1) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .home-group__desc .num,
.page-home .home-group__meta .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-ink);
}

.page-home .home-group__meta {
  margin: var(--space-2) 0 0;
  display: grid;
  gap: var(--space-1);
}

.page-home .home-group__meta-row {
  display: grid;
  gap: var(--space-1);
}

.page-home .home-group__meta-row dt {
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-home .home-group__meta-row dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-ink-soft);
}

.page-home .home-groups__more {
  margin: var(--space-4) 0 0;
}

/* ---------- 入库顺序 ---------- */

.page-home .home-cycle__tablist {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-home .home-cycle__tab {
  appearance: none;
  padding: var(--space-1) var(--space-2);
  background-color: transparent;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-home .home-cycle__tab:hover {
  background-color: var(--color-surface-deep);
  color: var(--color-ink);
}

.page-home .home-cycle__tab.is-active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-home .home-cycle__tab:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 2px;
}

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

.page-home .home-cycle__panel[hidden] {
  display: none;
}

.page-home .home-cycle__kv {
  display: grid;
  gap: 0;
  margin: 0;
  max-width: var(--measure);
}

.page-home .home-cycle__kv .kv__row {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-2) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-home .home-cycle__kv .kv__key {
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-home .home-cycle__kv .kv__val {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-home .home-cycle__kv .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-accent);
}

.page-home .home-cycle__figure {
  margin-top: var(--space-4);
}

.page-home .home-cycle__link {
  margin: var(--space-4) 0 0;
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

/* ---------- 检索方式 ---------- */

.page-home .home-scan__col {
  display: grid;
  align-content: start;
  gap: var(--space-2);
}

.page-home .home-scan__sub {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-home .home-scan__text {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-home .home-scan__text .num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-accent);
}

.page-home .home-band {
  display: flex;
  height: 28px;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-home .home-band .heat-bar__seg {
  display: block;
  height: 100%;
  border-right: var(--border-thin) solid var(--color-surface);
}

.page-home .home-band .heat-bar__seg:last-child {
  border-right: 0;
}

.page-home .home-band .heat-bar__seg:nth-child(1) { flex: 3 1 0; }
.page-home .home-band .heat-bar__seg:nth-child(2) { flex: 4 1 0; }
.page-home .home-band .heat-bar__seg:nth-child(3) { flex: 5 1 0; }
.page-home .home-band .heat-bar__seg:nth-child(4) { flex: 6 1 0; }
.page-home .home-band .heat-bar__seg:nth-child(5) { flex: 8 1 0; }

.page-home .home-band .heat-bar__seg--low {
  background-color: var(--color-highlight);
}

.page-home .home-band .heat-bar__seg--mid {
  background-color: var(--color-primary);
}

.page-home .home-band .heat-bar__seg--high {
  background-color: var(--color-accent);
}

.page-home .home-scan__legend {
  margin: 0;
  color: var(--color-ink-muted);
  line-height: 1.7;
}

.page-home .home-scan__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-home .home-scan__list li {
  padding-left: var(--space-2);
  border-left: var(--border-thin) solid var(--color-primary);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-home .home-scan__list li:nth-child(even) {
  border-left-color: var(--color-accent);
}

.page-home .home-scan__link {
  margin: var(--space-4) 0 0;
  font-size: var(--text-base);
  color: var(--color-ink-soft);
}

/* ---------- 口径与纠错 ---------- */

.page-home .home-basis__grid {
  align-items: start;
}

.page-home .home-basis__col {
  display: grid;
  align-content: start;
  gap: var(--space-3);
}

.page-home .home-basis__lead {
  margin: 0;
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-contrast-ink);
}

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

.page-home .home-basis__list li {
  padding-left: var(--space-2);
  border-left: var(--border-thick) solid var(--color-contrast-accent);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-contrast-ink);
  opacity: 0.92;
}

.page-home .home-basis__list li:nth-child(even) {
  border-left-color: var(--color-primary-soft);
}

.page-home .home-basis__card {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-sm);
  background-color: color-mix(in srgb, var(--color-contrast-surface) 78%, var(--color-primary) 22%);
}

.page-home .home-basis__card-title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  color: var(--color-contrast-ink);
}

.page-home .home-basis__card-text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-contrast-ink);
  opacity: 0.9;
}

.page-home .home-basis__mail {
  margin: 0;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-contrast-accent);
  overflow-wrap: anywhere;
}

.page-home .home-basis__card-note {
  margin: 0;
  color: var(--color-contrast-ink);
  opacity: 0.68;
  line-height: 1.7;
}

.page-home .home-basis__card .btn {
  justify-self: start;
}

.page-home .home-basis__links {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-home .home-basis__links a,
.page-home .home-cycle__link a,
.page-home .home-scan__link a {
  color: var(--color-contrast-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .home-cycle__link a,
.page-home .home-scan__link a {
  color: var(--color-primary);
}

.page-home a:focus-visible {
  outline: var(--border-thin) solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-home .home-hero__figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .page-home .home-stat:nth-child(2) {
    padding-top: var(--space-3);
  }

  .page-home .home-stat:nth-child(3) {
    padding-top: var(--space-6);
  }
}

@media (min-width: 700px) {
  .page-home .home-cycle__kv .kv__row,
  .page-home .home-group__meta-row {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-home .home-group {
    grid-template-columns: 64px minmax(0, 1fr);
    align-items: start;
    gap: var(--space-1) var(--space-3);
    padding: var(--space-4);
  }

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

@media (min-width: 900px) {
  .page-home .home-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-6);
    align-items: start;
  }

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

  .page-home .home-scan__grid {
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-home .home-hero {
    padding-block: var(--section-y-lg) var(--space-8);
  }

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