/* ===== page-home：总目录首页 ===== */
.page-home {
  display: block;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-bottom: var(--rule) double var(--color-contrast-line);
}

.page-home .home-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .home-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 64% 38%;
  filter: saturate(0.55) contrast(1.06);
}

.page-home .home-hero__scan {
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-contrast-ink) 7%, transparent) 0 1px,
    transparent 1px 4px
  );
  pointer-events: none;
}

.page-home .home-hero__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-h) + var(--space-6));
  padding-bottom: var(--space-6);
}

.page-home .home-hero__kicker {
  margin: var(--space-4) 0 var(--space-2);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

.page-home .home-hero__title {
  margin: 0;
  padding: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 1.06;
  letter-spacing: 0.04em;
  overflow-wrap: break-word;
  border-top: var(--rule) double var(--color-contrast-line);
  border-bottom: var(--rule) double var(--color-contrast-line);
}

.page-home .home-hero__lead {
  margin: var(--space-3) 0 0;
  max-width: 54ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-home .home-hero__paths {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: var(--space-2) 0 0;
  display: grid;
  gap: var(--space-1);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-home .home-hero__paths a {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: color 160ms linear, border-color 160ms linear;
}

.page-home .home-hero__paths a:hover,
.page-home .home-hero__paths a:focus-visible {
  color: var(--color-contrast-accent);
  border-bottom-color: var(--color-contrast-accent);
}

.page-home .home-hero__paths .mono {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

@media (min-width: 760px) {
  .page-home .home-hero__paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-3);
  }
  .page-home .home-hero__inner {
    padding-top: calc(var(--header-h) + var(--space-8));
    padding-bottom: var(--space-8);
  }
}

/* ---------- 关键数字带 ---------- */
.page-home .home-figures {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-6) 0 var(--space-4);
  border-bottom: var(--rule) double var(--color-contrast-line);
}

.page-home .figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.page-home .figure {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-home .figure__num {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--color-contrast-ink);
}

.page-home .figure__sep {
  padding: 0 0.06em;
  color: var(--color-contrast-accent);
}

.page-home .figure__label {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
}

.page-home .figure__note {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, var(--color-contrast-surface));
}

.page-home .figures__now {
  margin: var(--space-4) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, var(--color-contrast-surface));
}

.page-home .figures__now-tag {
  display: inline-block;
  margin-right: var(--space-2);
  padding: 3px var(--space-1);
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
}

@media (min-width: 880px) {
  .page-home .figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }
  .page-home .figure {
    padding-right: var(--space-3);
  }
  .page-home .figure + .figure {
    padding-left: var(--space-3);
    border-left: var(--rule) double var(--color-contrast-line);
  }
}

/* ---------- 三条主索引 ---------- */
.page-home .home-index {
  background: var(--color-surface-alt);
}

.page-home .index-row {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.page-home .index-row:first-of-type {
  margin-top: var(--space-6);
}

.page-home .index-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 0;
  padding: var(--space-4);
  background: var(--color-surface);
  outline: var(--border-thin) solid var(--color-line);
  outline-offset: -6px;
  border: var(--border-thin) solid var(--color-line);
  transition: background-color 160ms linear, color 160ms linear, outline-color 160ms linear;
}

.page-home .index-card:hover,
.page-home .index-card:focus-within {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  outline-color: var(--color-contrast-line);
}

.page-home .index-card__top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-home .index-card__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  transition: background-color 160ms linear, color 160ms linear;
}

.page-home .index-card:hover .index-card__no,
.page-home .index-card:focus-within .index-card__no {
  background: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
}

.page-home .index-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-heading);
  color: inherit;
}

.page-home .index-card__lead {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  transition: color 160ms linear;
}

.page-home .index-card__meta {
  margin: 0;
  padding-top: var(--space-2);
  display: grid;
  gap: var(--space-1);
  border-top: var(--border-thin) solid var(--color-line);
  transition: border-color 160ms linear;
}

.page-home .index-card__meta > div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: var(--text-sm);
}

.page-home .index-card__meta dt {
  color: var(--color-ink-muted);
  transition: color 160ms linear;
}

.page-home .index-card__meta dd {
  margin: 0;
  color: var(--color-ink-soft);
  transition: color 160ms linear;
}

.page-home .index-card > .btn {
  align-self: flex-start;
  margin-top: var(--space-1);
}

.page-home .index-card:hover .index-card__lead,
.page-home .index-card:hover .index-card__meta dt,
.page-home .index-card:hover .index-card__meta dd,
.page-home .index-card:focus-within .index-card__lead,
.page-home .index-card:focus-within .index-card__meta dt,
.page-home .index-card:focus-within .index-card__meta dd {
  color: color-mix(in srgb, var(--color-contrast-ink) 76%, var(--color-contrast-surface));
}

.page-home .index-card:hover .index-card__meta,
.page-home .index-card:focus-within .index-card__meta {
  border-top-color: var(--color-contrast-line);
}

.page-home .index-mark {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 240px;
  overflow: hidden;
  background: var(--color-contrast-surface);
  border: var(--border-thin) solid var(--color-line);
}

.page-home .index-mark img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.45) contrast(1.05);
}

.page-home .index-mark__scrim {
  position: absolute;
  inset: 0;
  background: var(--overlay-scrim);
}

.page-home .index-mark__body {
  position: relative;
  padding: var(--space-3);
  color: var(--color-contrast-ink);
}

.page-home .index-mark__k {
  margin: 0 0 var(--space-1);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-contrast-accent);
}

.page-home .index-mark__t {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

@media (min-width: 880px) {
  .page-home .index-row--a {
    grid-template-columns: 7fr 5fr;
  }
  .page-home .index-row--b {
    grid-template-columns: 5fr 7fr;
  }
  .page-home .index-mark {
    min-height: 100%;
  }
}

/* ---------- 季度刻度时间带 ---------- */
.page-home .home-timeline {
  padding-block: var(--section-y-lg);
  background: var(--color-surface);
  border-top: var(--rule) double var(--color-line);
}

.page-home .timeline-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .timeline-scroll:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.page-home .timeline {
  display: flex;
  min-width: max-content;
  margin: 0;
  list-style: none;
  padding-inline: max(var(--pad-x), calc((100% - var(--container)) / 2));
  padding-bottom: var(--space-4);
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-line) 0 1px,
    transparent 1px var(--edge-shift)
  );
  background-repeat: repeat-x;
  background-position: 0 100%;
  background-size: auto 9px;
}

.page-home .tick {
  flex: 0 0 172px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3) var(--space-4) var(--space-2);
  border-left: var(--rule) double var(--color-line);
  transition: background-color 160ms linear, color 160ms linear;
}

.page-home .tick__q {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-soft);
  transition: color 160ms linear;
}

.page-home .tick__act {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-muted);
  transition: color 160ms linear;
}

.page-home .tick--now {
  background: var(--color-contrast-surface);
  border-left-color: var(--color-contrast-accent);
}

.page-home .tick--now .tick__q {
  color: var(--color-contrast-accent);
}

.page-home .tick--now .tick__act {
  color: var(--color-contrast-ink);
}

.page-home .timeline-media {
  margin: var(--space-6) 0 0;
}

.page-home .timeline-note {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-soft);
}

.page-home .timeline-note a {
  color: var(--color-accent);
  text-underline-offset: 3px;
}

.page-home .timeline-note a:hover,
.page-home .timeline-note a:focus-visible {
  color: var(--color-focus);
}

/* ---------- 记录查询入口 ---------- */
.page-home .home-reach {
  padding-block: var(--section-y);
  background: var(--color-surface-alt);
}

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

.page-home .reach__media {
  position: relative;
  min-height: 200px;
  overflow: hidden;
  background: var(--color-contrast-surface);
  border: var(--border-thin) solid var(--color-line);
}

.page-home .reach__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.4) contrast(1.05);
}

.page-home .reach__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--color-contrast-surface) 30%, transparent) 0%,
    color-mix(in srgb, var(--color-contrast-surface) 78%, transparent) 100%
  );
}

.page-home .reach__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-2);
  min-width: 0;
}

.page-home .reach__kicker {
  margin: 0;
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.page-home .reach__title {
  margin: 0;
  padding-bottom: var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  border-bottom: var(--rule) double var(--color-line);
  width: 100%;
}

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

.page-home .reach__policy {
  margin: var(--space-2) 0 0;
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink-muted);
}

.page-home .reach__policy a {
  color: var(--color-accent);
  text-underline-offset: 3px;
}

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

@media (min-width: 880px) {
  .page-home .reach {
    grid-template-columns: 5fr 7fr;
    gap: var(--space-6);
    align-items: stretch;
  }
  .page-home .reach__media {
    min-height: 100%;
  }
}

/* ---------- 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .index-card,
  .page-home .index-card__no,
  .page-home .index-card__lead,
  .page-home .index-card__meta,
  .page-home .index-card__meta dt,
  .page-home .index-card__meta dd,
  .page-home .home-hero__paths a,
  .page-home .tick,
  .page-home .tick__q,
  .page-home .tick__act {
    transition: none;
  }
  .page-home .timeline-scroll {
    scroll-snap-type: none;
  }
}