/* ============================================================
   首页 page-home
   ============================================================ */

.page-home .home-frame {
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: clamp(16px, 3vw, 30px) var(--gutter) clamp(56px, 9vw, 104px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 28px);
}

.page-home .home-stream {
  display: grid;
  gap: clamp(40px, 6vw, 76px);
  min-width: 0;
}

/* ---------- 左侧纵向索引轴 ---------- */

.page-home .home-rail {
  background: var(--paper);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  padding: 12px 14px 14px;
}

.page-home .rail-label {
  margin: 0 0 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.page-home .rail-link {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
  color: var(--ink-blue);
  text-decoration: none;
  padding: 5px 8px;
  border-bottom: 2px solid transparent;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .rail-link:hover,
.page-home .rail-link:focus-visible {
  color: var(--signal-dark);
  background: var(--sand);
  border-bottom-color: var(--signal);
}

/* ---------- 首屏拼贴 ---------- */

.page-home .hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 20px);
}

.page-home .hero-main {
  background: var(--paper);
  border: 3px solid var(--line);
  box-shadow: var(--shadow-hard-lg);
  padding: clamp(22px, 4.2vw, 46px);
}

.page-home .hero-title {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-weight: 500;
  font-size: clamp(34px, 8vw, 74px);
  line-height: .98;
  letter-spacing: -.015em;
  color: var(--ink-blue);
}

.page-home .hero-title-sub {
  display: block;
  margin-top: 12px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(15px, 2vw, 20px);
  line-height: 1.55;
  letter-spacing: 0;
  color: var(--muted);
}

.page-home .hero-lede {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(16px, 1.5vw, 17.5px);
  line-height: 1.8;
  color: var(--ink);
}

.page-home .hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .hero-side {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-home .hero-stat {
  background: var(--sand-deep);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  padding: 16px 18px 18px;
}

.page-home .hero-stat--dark {
  background: var(--ink-blue);
  border-color: var(--ink-blue);
  box-shadow: 6px 6px 0 rgba(47, 191, 113, .4);
}

.page-home .stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--ink-blue);
}

.page-home .hero-stat--dark .stat-num {
  font-size: clamp(21px, 2.8vw, 29px);
  letter-spacing: 0;
  color: var(--signal);
}

.page-home .stat-label {
  display: block;
  margin-top: 9px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .hero-stat--dark .stat-label {
  color: #BCC6D4;
}

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

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

/* ---------- 分区块通用 ---------- */

.page-home .section-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-home .section-note {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-home .home-columns,
.page-home .home-batches,
.page-home .home-paths,
.page-home .home-region {
  padding: clamp(26px, 4.5vw, 52px) clamp(20px, 3.6vw, 44px);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
}

.page-home .home-columns { background: var(--sand-deep); }
.page-home .home-batches { background: var(--paper); }
.page-home .home-paths  { background: var(--sand); }

.page-home .home-region {
  background: var(--ink-blue);
  border-color: var(--ink);
  box-shadow: var(--shadow-hard-lg);
  color: var(--paper);
}

.page-home .home-region .section-title { color: var(--paper); }
.page-home .home-region .eyebrow { color: var(--signal); }

/* ---------- 三个核心栏目 ---------- */

.page-home .columns-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 26px);
}

.page-home .columns-visual { margin: 0; }

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

.page-home .columns-list {
  display: grid;
  gap: 16px;
}

.page-home .column-card {
  position: relative;
  background: var(--paper);
  border: 2px solid var(--line);
  border-left: 6px solid var(--signal);
  box-shadow: var(--shadow-hard);
  padding: 18px 20px 20px;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-home .column-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hard-lg);
}

.page-home .column-card .tag {
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-home .column-no {
  position: absolute;
  top: 16px;
  right: 18px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-home .column-card-title {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-size: clamp(21px, 2.3vw, 27px);
  font-weight: 600;
  line-height: 1.22;
  color: var(--ink-blue);
}

.page-home .column-card-text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-home .column-link {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--signal-dark);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .column-link:hover,
.page-home .column-link:focus-visible {
  color: var(--ink-blue);
  border-bottom-color: var(--ink-blue);
}

/* ---------- 最新批次速览 ---------- */

.page-home .batch-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

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

.page-home .batch-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-home .batch-item {
  border-left: 3px solid var(--amber);
  padding: 4px 0 4px 16px;
}

.page-home .batch-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .02em;
  color: var(--amber);
}

.page-home .batch-no .batch {
  color: inherit;
  font-size: inherit;
  opacity: 1;
}

.page-home .batch-title {
  margin: 8px 0 0;
  font-family: var(--font-title);
  font-size: clamp(19px, 2vw, 23px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--ink-blue);
}

.page-home .batch-desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-home .batch-cta {
  margin: clamp(24px, 3.4vw, 36px) 0 0;
}

/* ---------- 常用路径收藏 ---------- */

.page-home .path-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 28px);
}

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

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

.page-home .path-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-home .path-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-hard);
  padding: 16px 18px 18px;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}

.page-home .path-card:hover {
  transform: translateY(-3px);
  border-color: var(--signal);
  box-shadow: var(--shadow-hard-lg);
}

.page-home .path-code {
  margin: 0;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--signal-dark);
  background: var(--sand);
  border: 1px solid var(--line);
  padding: 3px 8px;
}

.page-home .path-card-title {
  margin: 12px 0 0;
  font-family: var(--font-title);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink-blue);
}

.page-home .path-card-desc {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-home .path-open {
  display: inline-block;
  align-self: flex-start;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-blue);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-home .path-open:hover,
.page-home .path-open:focus-visible {
  color: var(--signal-dark);
  border-bottom-color: var(--signal);
}

/* ---------- 区域与备案 ---------- */

.page-home .region-lede {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: #C7D0DC;
}

.page-home .region-grid {
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-home .region-item {
  border-top: 2px solid rgba(232, 220, 200, .32);
  padding-top: 12px;
}

.page-home .region-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-home .region-value {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: break-word;
  word-break: break-word;
}

.page-home .region-note {
  margin: clamp(22px, 3vw, 30px) 0 0;
  max-width: 68ch;
  font-size: 14px;
  line-height: 1.78;
  color: #A9B4C2;
}

.page-home .region-cta {
  margin: 20px 0 0;
}

/* ============================================================
   断点
   ============================================================ */

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

@media (min-width: 780px) {
  .page-home .batch-layout {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: clamp(18px, 2.6vw, 30px);
  }
  .page-home .batch-figure {
    grid-column: 1 / -1;
  }
}

@media (min-width: 860px) {
  .page-home .columns-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
  .page-home .region-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .home-frame {
    grid-template-columns: 196px minmax(0, 1fr);
    column-gap: clamp(24px, 3.4vw, 52px);
    row-gap: 22px;
  }

  .page-home .crumbs {
    grid-column: 1 / -1;
  }

  .page-home .home-rail {
    grid-column: 1;
    grid-row: 2;
    position: sticky;
    top: 14px;
    align-self: start;
  }

  .page-home .rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-home .rail-link {
    padding: 7px 10px;
    border-bottom: 0;
    border-left: 3px solid transparent;
  }

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

  .page-home .home-stream {
    grid-column: 2;
    grid-row: 2;
  }

  .page-home .hero {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-home .hero-main {
    grid-column: 1 / 8;
    grid-row: 1;
  }

  .page-home .hero-figure {
    grid-column: 1 / 8;
    grid-row: 2;
  }

  .page-home .hero-side {
    grid-column: 8 / 13;
    grid-row: 1 / 3;
  }
}

@media (min-width: 1040px) {
  .page-home .region-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .path-layout {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .column-card,
  .page-home .path-card,
  .page-home .rail-link,
  .page-home .column-link,
  .page-home .path-open {
    transition: none;
  }
  .page-home .column-card:hover,
  .page-home .path-card:hover {
    transform: none;
  }
}