.page-home {
  --home-shadow: 0 1px 0 rgba(11, 43, 38, .06), 0 0 0 1px rgba(11, 43, 38, .02);
  --home-grid-line: rgba(34, 51, 58, .07);
  display: block;
}

.page-home .section {
  padding-block: 52px;
}

.page-home .crumbs {
  padding-top: 18px;
}

.page-home .section-title {
  font-weight: 900;
  letter-spacing: .05em;
  line-height: 1.2;
  color: var(--fg);
  margin: 0 0 10px;
  font-size: clamp(22px, 3.4vw, 32px);
}

.page-home .section-head {
  max-width: 66ch;
  margin-bottom: 28px;
}

.page-home .section-head .lead {
  margin-top: 6px;
}

.page-home .lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg-muted);
  margin: 0;
  max-width: 64ch;
}

/* ---------- 首屏拼贴 ---------- */

.page-home .hero-sec {
  padding-top: 8px;
  padding-bottom: 40px;
}

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

.page-home .hero-panel {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--home-shadow);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  position: relative;
}

.page-home .hero-panel--intro {
  border-top: 3px solid var(--gold);
  padding: 28px 22px 26px;
  order: 1;
}

.page-home .hero-h1 {
  font-weight: 900;
  letter-spacing: .04em;
  font-size: clamp(27px, 6.2vw, 46px);
  line-height: 1.16;
  margin: 6px 0 14px;
  color: var(--fg);
}

.page-home .hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-home .hero-panel--batch {
  order: 2;
  background:
    radial-gradient(circle at 82% 6%, rgba(79, 209, 177, .18), transparent 62%),
    linear-gradient(155deg, var(--ink) 0%, var(--ink-2) 100%);
  border-color: var(--ink-2);
  color: var(--gold-soft);
  justify-content: center;
  padding: 26px 22px;
  gap: 4px;
}

.page-home .hero-batch-cap {
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--steel);
  text-transform: uppercase;
}

.page-home .hero-batch-no {
  font-size: clamp(46px, 11vw, 74px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .03em;
  color: var(--gold);
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  margin: 6px 0 6px;
}

.page-home .hero-batch-sub {
  font-size: 15px;
  color: var(--gold-soft);
}

.page-home .hero-batch-note {
  font-size: 13px;
  color: rgba(232, 216, 166, .7);
  line-height: 1.6;
}

.page-home .hero-panel--visual {
  order: 3;
  padding: 0;
  min-height: 210px;
  overflow: hidden;
}

.page-home .hero-panel--visual img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
  display: block;
}

.page-home .hero-panel--link-a,
.page-home .hero-panel--link-b {
  order: 4;
  text-decoration: none;
  color: inherit;
  justify-content: flex-end;
  gap: 4px;
  min-height: 118px;
  border-left: 2px solid var(--gold);
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-home .hero-panel--link-b {
  order: 5;
  border-left-color: var(--steel);
}

.page-home .hero-panel--link-a:hover,
.page-home .hero-panel--link-b:hover {
  background: var(--surface-2);
}

.page-home .hero-link-idx {
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--accent-ink);
}

.page-home .hero-link-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .03em;
  color: var(--fg);
}

.page-home .hero-link-meta {
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-muted);
}

/* ---------- 栏目矩阵 ---------- */

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

.page-home .col-card {
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--home-shadow);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  border-top: 2px solid var(--border-strong);
  transition: border-color 180ms var(--ease);
}

.page-home .col-card:hover {
  border-top-color: var(--gold);
}

.page-home .col-card .card-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.4;
  margin: 0;
  color: var(--fg);
}

.page-home .col-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--fg-muted);
}

.page-home .col-card-foot {
  margin-top: auto !important;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--fg-muted);
}

.page-home .col-card-foot .mono {
  color: var(--accent-ink);
  letter-spacing: .04em;
}

.page-home .col-link {
  color: var(--fg);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
  transition: color 160ms var(--ease);
}

.page-home .col-link:hover {
  color: var(--accent-ink);
}

/* ---------- 分区导航 ---------- */

.page-home .split-sec {
  background: var(--bg-alt);
  border-block: 1px solid var(--border);
}

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

.page-home .split-col {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 26px 22px;
  min-width: 0;
  border-left: 3px solid var(--gold);
}

.page-home .split-col--alt {
  border-left-color: var(--steel);
}

.page-home .split-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--accent-ink);
  border: 1px solid var(--gold);
  padding: 3px 9px;
  margin-bottom: 14px;
}

.page-home .split-col--alt .split-tag {
  color: var(--steel);
  border-color: var(--steel);
}

.page-home .split-col h3 {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.4;
  margin: 0 0 10px;
  color: var(--fg);
}

.page-home .split-col > p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-home .split-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .split-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--fg);
}

.page-home .split-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--gold);
}

.page-home .split-col--alt .split-list li::before {
  background: var(--steel);
}

/* ---------- 版本演进 ---------- */

.page-home .version-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-home .version-track {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  position: relative;
}

.page-home .version-node {
  position: relative;
  padding-top: 30px;
  border-top: 1px solid var(--border);
}

.page-home .version-node::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 0;
  width: 11px;
  height: 11px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-home .version-node--current::before {
  background: var(--red);
}

.page-home .version-ver {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--accent-ink);
  margin-bottom: 8px;
}

.page-home .version-node--current .version-ver {
  color: var(--red);
}

.page-home .version-node h3 {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.45;
  margin: 0 0 8px;
  color: var(--fg);
}

.page-home .version-node p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--fg-muted);
}

.page-home .version-figure {
  margin: 0;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 10px;
  box-shadow: var(--home-shadow);
}

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

.page-home .media-caption {
  padding: 10px 4px 2px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--fg-muted);
}

/* ---------- 跨设备接续 ---------- */

.page-home .bridge-sec {
  background: var(--ink);
  color: var(--gold-soft);
}

.page-home .bridge-sec .eyebrow {
  color: var(--gold);
}

.page-home .bridge-sec .section-title {
  color: var(--paper);
}

.page-home .bridge-sec .lead {
  color: rgba(232, 216, 166, .78);
}

.page-home .bridge-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-home .bridge-steps {
  list-style: none;
  margin: 24px 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .bridge-steps li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(232, 216, 166, .9);
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(198, 163, 74, .25);
}

.page-home .bridge-steps .mono {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold);
  min-width: 26px;
}

.page-home .bridge-sec .btn--ghost {
  border-color: var(--gold);
  color: var(--gold-soft);
}

.page-home .bridge-sec .btn--ghost:hover {
  background: rgba(198, 163, 74, .14);
}

.page-home .bridge-figure {
  margin: 0;
  border: 1px solid rgba(198, 163, 74, .35);
  overflow: hidden;
  background: var(--ink-2);
}

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

/* ---------- 批次时间轴 ---------- */

.page-home .batch-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-home .batch-aside {
  min-width: 0;
}

.page-home .batch-figure {
  margin: 0;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 8px;
  box-shadow: var(--home-shadow);
}

.page-home .batch-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
}

.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
  display: grid;
  gap: 22px;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: 5px;
  width: 1px;
  background: linear-gradient(180deg, var(--gold) 0%, rgba(198, 163, 74, .25) 100%);
}

.page-home .timeline-item {
  position: relative;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 18px 20px;
  box-shadow: var(--home-shadow);
  transition: border-color 200ms var(--ease), transform 200ms var(--ease);
}

.page-home .timeline-item::before {
  content: "";
  position: absolute;
  top: 24px;
  left: -25px;
  width: 11px;
  height: 11px;
  background: var(--paper);
  border: 1px solid var(--border-strong);
  transform: rotate(45deg);
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-home .timeline-item.is-current {
  border-color: var(--gold);
}

.page-home .timeline-item.is-current::before {
  background: var(--red);
  border-color: var(--red);
}

.page-home .timeline-batch {
  display: inline-block;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--accent-ink);
  padding-left: 10px;
  border-left: 2px solid var(--gold);
  margin-bottom: 8px;
}

.page-home .timeline-item.is-current .timeline-batch {
  color: var(--red);
  border-left-color: var(--red);
}

.page-home .timeline-title {
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.45;
  margin: 0 0 8px;
  color: var(--fg);
}

.page-home .timeline-item p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--fg-muted);
}

.page-home .timeline-scope {
  display: block;
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--steel);
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}

/* ---------- 收束 ---------- */

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

.page-home .ask-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 26px 22px;
  box-shadow: var(--home-shadow);
  border-bottom: 3px solid var(--gold);
  transition: transform 200ms var(--ease), border-color 200ms var(--ease);
}

.page-home .ask-card--alt {
  border-bottom-color: var(--steel);
}

.page-home .ask-card:hover {
  transform: translateY(-3px);
}

.page-home .ask-idx {
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--accent-ink);
}

.page-home .ask-card .card-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .03em;
  margin: 0;
  color: var(--fg);
}

.page-home .ask-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-muted);
}

.page-home .ask-go {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--accent-ink);
}

.page-home .ask-card--alt .ask-go {
  color: var(--accent-ink);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-home .section {
    padding-block: 64px;
  }

  .page-home .hero-panel--intro {
    padding: 34px 32px 32px;
  }

  .page-home .split-grid,
  .page-home .ask-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .version-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 24px;
  }

  .page-home .col-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .batch-layout {
    grid-template-columns: minmax(200px, 260px) minmax(0, 1fr);
    align-items: start;
  }

  .page-home .batch-figure img {
    max-height: none;
  }
}

@media (min-width: 900px) {
  .page-home .hero-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    grid-template-areas:
      "intro intro intro batch"
      "visual visual link-a link-b";
    gap: 18px;
  }

  .page-home .hero-panel--intro {
    grid-area: intro;
  }

  .page-home .hero-panel--batch {
    grid-area: batch;
  }

  .page-home .hero-panel--visual {
    grid-area: visual;
    min-height: 268px;
  }

  .page-home .hero-panel--visual img {
    min-height: 268px;
  }

  .page-home .hero-panel--link-a {
    grid-area: link-a;
  }

  .page-home .hero-panel--link-b {
    grid-area: link-b;
  }

  .page-home .version-wrap {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
    gap: 32px;
  }

  .page-home .version-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-home .bridge-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
  }
}

@media (min-width: 1060px) {
  .page-home .col-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .col-card--a {
    grid-column: span 2;
  }

  .page-home .col-card--d {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .ask-card,
  .page-home .col-card,
  .page-home .timeline-item,
  .page-home .hero-panel--link-a,
  .page-home .hero-panel--link-b {
    transition: none;
  }

  .page-home .ask-card:hover {
    transform: none;
  }
}
</main>