.page-home {
  --home-gap: clamp(14px, 2.2vw, 26px);
  --home-radius: 22px;
  --home-pad: clamp(18px, 3vw, 32px);
}

.page-home .section {
  padding-block: clamp(30px, 4.6vw, 60px);
}

.page-home .section-head {
  margin-bottom: clamp(18px, 2.6vw, 30px);
}

.page-home .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--panel);
  margin: 8px 0 12px;
}

.page-home .lede {
  max-width: 74ch;
  color: var(--gray);
}

.page-home [data-reveal] {
  transition: opacity var(--t-panel) var(--ease), transform var(--t-panel) var(--ease);
}

/* ---------- 首屏拼贴 ---------- */
.page-home .hero {
  padding-block: clamp(6px, 1.6vw, 14px) clamp(28px, 4vw, 54px);
}

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

.page-home .hero-lead,
.page-home .hero-build,
.page-home .hero-meta {
  border-radius: var(--home-radius);
}

.page-home .hero-lead {
  padding: var(--home-pad);
  background: linear-gradient(158deg, rgba(22, 32, 74, .96) 0%, rgba(11, 18, 48, .82) 100%);
  border: 1px solid var(--line-soft);
}

.page-home .hero-lead h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.6vw, 2.9rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.012em;
  color: var(--panel);
  margin: 10px 0 16px;
}

.page-home .hero-actions {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .hero-build {
  padding: var(--home-pad);
  background: var(--grad-night);
  border: 1px solid var(--line-teal);
  display: flex;
  flex-direction: column;
}

.page-home .build-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gray);
}

.page-home .build-value {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 8vw, 4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--panel);
  margin: 10px 0 14px;
}

.page-home .build-sub {
  margin: 0;
}

.page-home .build-facts {
  margin: 20px 0 0;
  display: grid;
  gap: 8px;
}

.page-home .build-facts > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-top: 8px;
  border-top: 1px solid var(--line-soft);
}

.page-home .build-facts dt {
  font-size: 13px;
  color: var(--gray);
}

.page-home .build-facts dd {
  margin: 0;
  font-size: 13px;
  color: var(--milk);
}

.page-home .hero-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-home .hero-meta .stat {
  background: var(--ink-2);
  padding: clamp(14px, 2.2vw, 22px);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-home .hero-meta .stat-value {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.6vw, 1.85rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--panel);
}

.page-home .hero-meta .stat-value small {
  font-size: .5em;
  margin-left: 4px;
  color: var(--teal);
  letter-spacing: .04em;
}

.page-home .hero-meta .stat-label {
  font-size: 12px;
  line-height: 1.6;
  color: var(--gray);
}

.page-home .hero-media {
  margin: 0;
  border-radius: var(--home-radius);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  min-height: 200px;
}

.page-home .hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

@media (min-width: 760px) {
  .page-home .hero-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-home .hero-mosaic {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .72fr) minmax(0, .86fr);
    grid-template-areas:
      "lead lead build"
      "meta media media";
  }
  .page-home .hero-lead { grid-area: lead; }
  .page-home .hero-build { grid-area: build; }
  .page-home .hero-meta { grid-area: meta; }
  .page-home .hero-media { grid-area: media; min-height: 260px; }
}

/* ---------- 信号波纹分隔 ---------- */
.page-home .wave-divider {
  display: block;
  width: 100%;
  height: 22px;
  color: var(--teal);
  opacity: .55;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-home .timeline-figure,
.page-home .number-figure {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  overflow: hidden;
  margin: 0 0 clamp(20px, 3vw, 34px);
}

.page-home .timeline-figure img,
.page-home .number-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-home .media-caption {
  padding: 10px clamp(12px, 2vw, 18px);
  background: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 版本长卷 ---------- */
.page-home .timeline {
  list-style: none;
  margin: 0;
  padding: 0 0 0 46px;
  position: relative;
}

.page-home .timeline::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--teal) 0%, rgba(46, 196, 182, .1) 100%);
}

.page-home .tl-node {
  position: relative;
  margin-bottom: 10px;
}

.page-home .tl-node .tl-index {
  position: absolute;
  left: -45px;
  top: 13px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--line-teal);
  color: var(--teal);
  font-size: 11px;
  z-index: 1;
}

.page-home .tl-node .disclosure {
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--t-micro) var(--ease);
}

.page-home .tl-node .disclosure:hover {
  border-color: var(--line-teal);
}

.page-home .tl-node .disclosure-btn {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  width: 100%;
  padding: clamp(13px, 1.8vw, 18px) clamp(14px, 2vw, 20px);
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: inherit;
  font: inherit;
}

.page-home .tl-ver {
  font-size: 14px;
  font-weight: 600;
  color: var(--panel);
  letter-spacing: .01em;
}

.page-home .tl-sum {
  flex: 1 1 240px;
  min-width: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--milk);
}

.page-home .tl-node .disclosure-body {
  padding: 0 clamp(14px, 2vw, 20px) clamp(14px, 2vw, 20px);
}

.page-home .tl-node .disclosure-body p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--gray);
}

.page-home .tl-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  font-size: 12px;
  color: var(--teal);
}

.page-home .tl-meta li {
  padding-left: 12px;
  position: relative;
}

.page-home .tl-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--teal-deep);
}

/* ---------- 双入口 ---------- */
.page-home .dual-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .dual-panel {
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: var(--home-pad);
  min-width: 0;
}

.page-home .dual-panel h3 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  font-weight: 700;
  color: var(--panel);
  margin: 0 0 6px;
}

.page-home .panel-note {
  margin: 0 0 18px;
  font-size: 12px;
  color: var(--gray);
}

.page-home .code-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .code-row {
  display: grid;
  grid-template-columns: minmax(0, 92px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-home .code-row .pill {
  justify-self: start;
}

.page-home .code-bar {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: var(--ink);
  overflow: hidden;
  min-width: 0;
}

.page-home .code-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.page-home .code-row:nth-child(1) .code-bar span { width: 46%; background: var(--orange); }
.page-home .code-row:nth-child(2) .code-bar span { width: 30%; background: var(--teal); }
.page-home .code-row:nth-child(3) .code-bar span { width: 14%; background: var(--gray); }
.page-home .code-row:nth-child(4) .code-bar span { width: 10%; background: rgba(152, 162, 192, .45); }

.page-home .code-count {
  font-size: 14px;
  color: var(--panel);
}

.page-home .panel-foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

.page-home .panel-act {
  margin: 18px 0 0;
}

.page-home .cartridge {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 4px 14px;
  -webkit-overflow-scrolling: touch;
}

.page-home .cartridge:focus-visible {
  outline: 1px solid var(--teal);
  outline-offset: 2px;
}

.page-home .cartridge-item {
  flex: 0 0 208px;
  scroll-snap-align: start;
  background: var(--ink);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: transform var(--t-micro) var(--ease), border-color var(--t-micro) var(--ease);
}

.page-home .cartridge-item:hover {
  transform: translateY(-2px);
  border-color: var(--line-teal);
}

.page-home .cart-batch {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-home .cartridge-item h4 {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--panel);
  line-height: 1.4;
}

.page-home .cart-region {
  margin: 0 0 10px;
  font-size: 12px;
  color: var(--teal);
}

.page-home .cart-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--gray);
}

@media (min-width: 900px) {
  .page-home .dual-grid {
    grid-template-columns: minmax(0, .88fr) minmax(0, 1.12fr);
  }
}

/* ---------- 号码分布 ---------- */
.page-home .layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
}

.page-home .track-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-home .track-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 48px;
  align-items: center;
  gap: 12px;
  padding: 9px 0;
}

.page-home .track-name {
  font-size: 13px;
  color: var(--milk);
}

.page-home .track-bar {
  display: block;
  height: 10px;
  border-radius: 999px;
  background: var(--ink);
  overflow: hidden;
  min-width: 0;
}

.page-home .track-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--grad-track);
}

.page-home .track-row:nth-child(1) .track-bar span { width: 34%; }
.page-home .track-row:nth-child(2) .track-bar span { width: 29%; }
.page-home .track-row:nth-child(3) .track-bar span { width: 19%; }
.page-home .track-row:nth-child(4) .track-bar span { width: 12%; }
.page-home .track-row:nth-child(5) .track-bar span { width: 6%; }

.page-home .track-val {
  font-size: 13px;
  text-align: right;
  color: var(--panel);
}

.page-home .track-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
  padding-left: 14px;
  border-left: 2px solid var(--line-milk);
}

.page-home .heat-panel {
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: var(--home-pad);
}

.page-home .heat-panel h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.9vw, 1.4rem);
  font-weight: 700;
  color: var(--panel);
  margin: 0 0 6px;
}

.page-home .heat-track {
  position: relative;
  height: 18px;
  border-radius: 999px;
  background: var(--grad-track);
  margin: 20px 0 22px;
}

.page-home .heat-marker {
  position: absolute;
  top: -8px;
  width: 2px;
  height: 34px;
  background: var(--panel);
  opacity: .85;
}

.page-home .heat-marker--cold { left: 22%; }
.page-home .heat-marker--hot { left: 78%; }

.page-home .heat-marker i {
  position: absolute;
  top: 38px;
  left: 50%;
  transform: translateX(-50%);
  font-style: normal;
  font-size: 11px;
  color: var(--gray);
}

.page-home .heat-legend {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .heat-legend li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--gray);
}

.page-home .heat-dot {
  flex: none;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: .45em;
}

.page-home .heat-dot--cold { background: var(--cold); }
.page-home .heat-dot--hot { background: var(--hot); }

.page-home .heat-note {
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--gray);
}

@media (min-width: 980px) {
  .page-home .layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
  }
}

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

.page-home .index-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: var(--home-pad);
  background: var(--ink-2);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  transition: transform var(--t-micro) var(--ease), border-color var(--t-micro) var(--ease);
  min-width: 0;
}

.page-home .index-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-teal);
}

.page-home .index-tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--teal);
}

.page-home .index-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 700;
  color: var(--panel);
}

.page-home .index-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  flex: 1 1 auto;
}

.page-home .index-points li {
  position: relative;
  padding-left: 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

.page-home .index-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--milk);
}

.page-home .index-link {
  align-self: flex-start;
  font-size: 13px;
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 47, .45);
  padding-bottom: 2px;
}

.page-home .index-link:hover {
  border-bottom-color: var(--orange);
}

@media (min-width: 720px) {
  .page-home .index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1120px) {
  .page-home .index-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 品牌带 ---------- */
.page-home .brand-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--home-gap);
  padding: var(--home-pad);
  background: var(--grad-night);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
}

.page-home .band-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  font-weight: 700;
  line-height: 1.28;
  color: var(--panel);
  margin: 0 0 14px;
}

.page-home .band-copy p {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gray);
}

.page-home .band-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  margin: 0;
}

.page-home .band-links a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 196, 182, .35);
}

.page-home .band-links a:hover {
  border-bottom-color: var(--teal);
}

.page-home .band-sep {
  color: var(--gray);
}

.page-home .band-media {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

@media (min-width: 900px) {
  .page-home .brand-band {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    align-items: center;
  }
}

/* ---------- 窄屏与动效收敛 ---------- */
@media (max-width: 420px) {
  .page-home .code-row {
    grid-template-columns: minmax(0, 76px) minmax(0, 1fr) auto;
    gap: 8px;
  }
  .page-home .track-row {
    grid-template-columns: 46px minmax(0, 1fr) 42px;
    gap: 8px;
  }
  .page-home .timeline {
    padding-left: 34px;
  }
  .page-home .timeline::before {
    left: 11px;
  }
  .page-home .tl-node .tl-index {
    left: -34px;
    width: 24px;
    height: 24px;
    font-size: 10px;
    top: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .index-card,
  .page-home .cartridge-item,
  .page-home .tl-node .disclosure {
    transition: none;
  }
  .page-home .index-card:hover,
  .page-home .cartridge-item:hover {
    transform: none;
  }
}