.page-home {
  --home-gap: clamp(14px, 2vw, 22px);
  display: block;
  padding-bottom: clamp(30px, 6vw, 70px);
}

.page-home .breadcrumb {
  padding-top: clamp(16px, 3vw, 28px);
}

.page-home .section {
  padding: clamp(40px, 7vw, 84px) 0;
}

.page-home .section-title {
  margin: 0 0 10px;
  font-size: clamp(24px, 4.2vw, 34px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-home .section-lead {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.page-home .section-head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-home .section-meta {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--electro);
  letter-spacing: .04em;
  align-self: start;
}

/* ---------- 首屏拼贴 ---------- */
.page-home .hero {
  padding: clamp(24px, 5vw, 54px) 0 clamp(14px, 3vw, 28px);
}

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

.page-home .hero-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--mint);
  text-transform: uppercase;
}

.page-home .hero-lead h1 {
  margin: 0 0 18px;
  font-size: clamp(52px, 12vw, 108px);
  font-weight: 900;
  line-height: .96;
  letter-spacing: -0.03em;
  background: linear-gradient(96deg, var(--ink) 42%, var(--orange) 78%, var(--orange-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .hero-sub {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

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

.page-home .hero-note {
  justify-self: end;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: .18em;
  max-height: 180px;
}

.page-home .hero-media {
  margin: 0;
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
  position: relative;
}

.page-home .hero-media::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--amber) 50%, var(--mint));
}

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

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

.page-home .mosaic-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.page-home .mosaic-num {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-home .mosaic-unit {
  font-size: 18px;
  margin-left: 2px;
}

.page-home .mosaic-label {
  font-size: 14px;
  line-height: 1.6;
  color: var(--muted);
}

.page-home .mosaic-card--cta {
  background: linear-gradient(150deg, rgba(255, 106, 19, .16), var(--panel) 62%);
  border-color: rgba(255, 106, 19, .45);
}

.page-home .mosaic-link {
  margin-top: auto;
  color: var(--orange);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.page-home .mosaic-card--accent .mosaic-num {
  color: var(--electro);
}

.page-home .slash {
  height: 6px;
  margin: 6px 0 clamp(8px, 2vw, 18px);
  background: linear-gradient(90deg, var(--orange), var(--amber) 48%, var(--mint));
  transform: skewY(-1.1deg);
  opacity: .85;
}

.page-home .slash--alt {
  transform: skewY(1.1deg);
  background: linear-gradient(90deg, var(--electro), var(--mint) 60%, var(--orange-soft));
}

/* ---------- 分类墙 ---------- */
.page-home .cat-top {
  display: grid;
  gap: 16px;
  margin-bottom: 20px;
}

.page-home .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: start;
}

.page-home .cat-photo {
  margin: 0;
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

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

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

.page-home .cat-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 16px;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color .16s ease, transform .16s ease, background-color .16s ease;
}

.page-home .cat-card:hover,
.page-home .cat-card:focus-within {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-home .cat-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--electro);
}

.page-home .cat-name {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
}

.page-home .cat-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-home .cat-count {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed rgba(30, 59, 92, .9);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-home .is-filtered-out {
  display: none;
}

/* ---------- 收藏与同步 ---------- */
.page-home .section--panel {
  background: var(--panel);
  border-top: var(--line);
  border-bottom: var(--line);
}

.page-home .sync-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 44px);
  align-items: center;
}

.page-home .sync-media {
  margin: 0;
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy);
}

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

.page-home .sync-copy p {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .sync-list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .sync-list li {
  padding: 14px 16px;
  border: var(--line);
  border-left: 3px solid var(--mint);
  border-radius: var(--radius-sm);
  background: rgba(8, 24, 43, .55);
  font-size: 15px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .sync-key {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  letter-spacing: .04em;
}

/* ---------- 下载 ---------- */
.page-home .dl-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-home .dl-media {
  margin: 0;
  background: var(--navy);
}

.page-home .dl-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-home .dl-body {
  padding: clamp(20px, 4vw, 38px);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .dl-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: none;
}

.page-home .dl-steps li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 16px;
  border: var(--line);
  border-radius: var(--radius-sm);
  background: rgba(8, 24, 43, .6);
}

.page-home .step-no {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1.6;
}

.page-home .step-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-home .dl-meta {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .dl-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 4px;
}

/* ---------- 内容目录 ---------- */
.page-home .catalog-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .catalog-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 3vw, 30px);
  border: var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  transition: border-color .16s ease, transform .16s ease;
}

.page-home .catalog-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-home .catalog-card--records {
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(59, 197, 255, .14), transparent 60%),
    var(--panel);
}

.page-home .catalog-card--fit {
  background:
    radial-gradient(120% 90% at 0% 100%, rgba(20, 210, 160, .16), transparent 60%),
    var(--panel);
}

.page-home .catalog-card h3 {
  margin: 0;
  font-size: clamp(22px, 3.6vw, 28px);
  font-weight: 800;
}

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

.page-home .catalog-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-home .catalog-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-home .catalog-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-home .catalog-link {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed rgba(30, 59, 92, .9);
  color: var(--electro);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

/* ---------- 反馈入口 ---------- */
.page-home .ask-inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: clamp(22px, 4vw, 36px);
  border: 1px solid rgba(255, 106, 19, .4);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(255, 106, 19, .14), var(--panel) 70%);
}

.page-home .ask-text p {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-home .ask-side {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-home .ask-side .feedback-version {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
  letter-spacing: .06em;
}

/* ---------- 更多入口 ---------- */
.page-home .more-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  text-decoration: none;
  color: inherit;
  transition: border-color .16s ease, transform .16s ease;
}

.page-home .more-card:hover,
.page-home .more-card:focus-visible {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-home .more-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--electro);
}

.page-home .more-card h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
}

.page-home .more-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .hero-mosaic {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .mosaic-card--wide {
    grid-column: span 2;
  }

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

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

  .page-home .ask-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 900px) {
  .page-home .section-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-home .hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr) 44px;
    grid-template-areas:
      "lead media note"
      "mosaic mosaic mosaic";
    align-items: start;
    column-gap: var(--home-gap);
    row-gap: clamp(18px, 3vw, 30px);
  }

  .page-home .hero-lead {
    grid-area: lead;
  }

  .page-home .hero-media {
    grid-area: media;
    align-self: stretch;
  }

  .page-home .hero-media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 320px;
  }

  .page-home .hero-note {
    grid-area: note;
  }

  .page-home .hero-mosaic {
    grid-area: mosaic;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr) minmax(0, 1.2fr) minmax(0, 1fr);
  }

  .page-home .mosaic-card--wide {
    grid-column: auto;
  }

  .page-home .cat-top {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
    align-items: start;
  }

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

  .page-home .sync-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-home .dl-card {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: stretch;
  }

  .page-home .dl-media img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 340px;
  }

  .page-home .catalog-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 1180px) {
  .page-home .cat-wall {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cat-card,
  .page-home .catalog-card,
  .page-home .more-card {
    transition: none;
  }
}