.page-home {
  --home-glow: radial-gradient(closest-side, rgba(124, 60, 255, 0.34), transparent 72%);
  --home-glow-cyan: radial-gradient(closest-side, rgba(35, 211, 238, 0.22), transparent 72%);
  --home-gap: clamp(20px, 3vw, 36px);
  display: block;
  background: var(--c-bg);
  color: var(--c-text);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding: clamp(40px, 7vw, 96px) 0 clamp(48px, 6vw, 84px);
  isolation: isolate;
}

.page-home .hero-bg {
  position: absolute;
  inset: -10% -20% auto -30%;
  height: 120%;
  z-index: -1;
  background:
    var(--home-glow) 18% 12% / 62% 60% no-repeat,
    var(--home-glow-cyan) 88% 34% / 54% 54% no-repeat;
  pointer-events: none;
}

.page-home .hero-inner {
  display: flex;
  flex-direction: column;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-home .hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  text-transform: none;
}

.page-home .hero-kicker .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 0 4px rgba(166, 255, 60, 0.14);
  animation: home-pulse 2.2s ease-in-out infinite;
}

@keyframes home-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.82); }
}

.page-home .hero-title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(38px, 8.4vw, 96px);
  line-height: 0.94;
  letter-spacing: -0.025em;
  text-transform: none;
}

.page-home .hero-title-em {
  display: block;
  margin-top: 0.18em;
  font-size: 0.44em;
  line-height: 1.24;
  letter-spacing: -0.01em;
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-home .hero-body {
  display: grid;
  gap: var(--home-gap);
}

.page-home .hero-lead {
  display: flex;
  flex-direction: column;
  gap: 22px;
  max-width: 42ch;
}

.page-home .hero-lead .lead {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--c-text);
}

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

.page-home .hero-visual {
  margin: 0;
  position: relative;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  box-shadow: var(--shadow-soft);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 94% 100%, 0 100%);
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.04);
}

.page-home .hero-visual figcaption {
  padding: 10px 14px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  border-top: 1px solid var(--c-line-soft);
}

.page-home .hero-stats {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line);
}

.page-home .hero-stats .stat {
  padding: 18px 16px 16px;
  background: var(--c-panel);
}

.page-home .hero-stats dt {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.page-home .hero-stats dd {
  margin: 8px 0 6px;
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  color: var(--c-lime);
}

.page-home .stat-num {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-home .stat-unit {
  font-size: 12px;
  color: var(--c-text);
  opacity: 0.82;
}

.page-home .hero-stats .stat-note {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-muted);
}

.page-home .hero-slash {
  height: 2px;
  margin-top: clamp(32px, 4vw, 56px);
  background: var(--grad-brand);
  transform: skewX(-24deg);
  opacity: 0.85;
}

/* ---------- 通用章节头 ---------- */
.page-home .sec-head {
  max-width: 60ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-home .sec-idx {
  margin: 0 0 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-home .section-title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-home .sec-sub {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-home .muted {
  color: var(--c-muted);
}

/* ---------- 阶段 × 口径 ---------- */
.page-home .phase {
  padding: clamp(44px, 6vw, 88px) 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-home .phase-grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .phase-visual {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
}

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

.page-home .phase-visual figcaption {
  padding: 10px 14px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  border-top: 1px solid var(--c-line-soft);
}

.page-home .timeline {
  list-style: none;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line);
}

.page-home .tl-item {
  background: var(--c-panel);
}

.page-home .tl-link {
  display: grid;
  gap: 4px;
  padding: 16px 18px;
  text-decoration: none;
  color: inherit;
  border-left: 3px solid var(--c-purple);
  transition: background-color 180ms ease, border-color 180ms ease;
}

.page-home .tl-link:hover,
.page-home .tl-link:focus-visible {
  background: var(--c-row);
  border-left-color: var(--c-cyan);
}

.page-home .tl-node {
  font-family: var(--f-display);
  font-size: 20px;
  letter-spacing: -0.01em;
}

.page-home .tl-round {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-home .tl-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-home .phase-detail {
  margin-bottom: 16px;
  padding: 18px 18px 20px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-cyan);
  background: var(--c-panel);
  scroll-margin-top: 96px;
}

.page-home .phase-detail h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-home .phase-detail p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 42ch;
}

.page-home .metrics {
  margin-top: clamp(24px, 3.4vw, 40px);
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--c-line);
  background: var(--c-panel);
}

.page-home .metrics-head h3 {
  margin: 0 0 8px;
  font-family: var(--f-display);
  font-size: 22px;
  letter-spacing: -0.01em;
}

.page-home .metrics-head p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.7;
}

.page-home .metric-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}

.page-home .metric {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 12px;
  border: 1px solid var(--c-line);
  background: var(--c-row);
}

.page-home .metric-name {
  font-size: 14px;
}

.page-home .metric .tag {
  flex: none;
}

/* ---------- 三条路径 ---------- */
.page-home .paths {
  position: relative;
  padding: clamp(44px, 6vw, 88px) 0;
  border-top: 1px solid var(--c-line-soft);
  overflow: hidden;
}

.page-home .paths-art {
  position: absolute;
  inset: 0 0 auto 0;
  height: 380px;
  background:
    linear-gradient(115deg, rgba(20, 24, 38, 0.9) 0%, rgba(20, 24, 38, 0.35) 58%, transparent 100%),
    repeating-linear-gradient(115deg, rgba(35, 211, 238, 0.07) 0 1px, transparent 1px 84px);
  pointer-events: none;
}

.page-home .paths .shell {
  position: relative;
}

.page-home .path-grid {
  display: grid;
  gap: var(--home-gap);
}

.page-home .path-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  box-shadow: var(--shadow-soft);
  clip-path: polygon(0 0, 100% 0, 100% 92%, 95% 100%, 0 100%);
}

.page-home .path-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
}

.page-home .path-card--a::before { background: var(--c-purple); }
.page-home .path-card--b::before { background: var(--c-cyan); }
.page-home .path-card--c::before { background: var(--c-lime); }

.page-home .path-idx {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-home .path-card h3 {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(22px, 3vw, 28px);
  letter-spacing: -0.02em;
}

.page-home .path-card > p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-home .path-fit {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  border-top: 1px dashed var(--c-line);
  padding-top: 12px;
}

.page-home .path-fit li {
  font-family: var(--f-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-muted);
}

.page-home .path-fit li::before {
  content: "▹";
  margin-right: 6px;
  color: var(--c-cyan);
}

.page-home .path-link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}

.page-home .path-link:hover,
.page-home .path-link:focus-visible {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
}

.page-home .paths-more {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 14px;
  color: var(--c-muted);
}

.page-home .paths-more a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
}

.page-home .paths-more a:hover,
.page-home .paths-more a:focus-visible {
  border-bottom-color: var(--c-lime);
  color: var(--c-lime);
}

/* ---------- 滚动带 ---------- */
.page-home .ticker {
  padding: clamp(44px, 6vw, 88px) 0;
  border-top: 1px solid var(--c-line-soft);
  background: linear-gradient(180deg, rgba(29, 34, 51, 0.55), transparent 70%);
}

.page-home .ticker-visual {
  margin: 0 0 clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-home .ticker-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 21 / 9;
  object-fit: cover;
}

.page-home .ticker-visual figcaption {
  padding: 10px var(--shell-pad);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
}

.page-home .ticker-band {
  overflow: hidden;
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background: var(--c-panel);
}

.page-home .ticker-track {
  display: flex;
  width: max-content;
  animation: home-marquee 42s linear infinite;
}

.page-home .ticker-band:hover .ticker-track,
.page-home .ticker-band:focus-within .ticker-track {
  animation-play-state: paused;
}

@keyframes home-marquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}

.page-home .ticker-set {
  display: flex;
}

.page-home .tk {
  width: 260px;
  padding: 22px 20px;
  border-right: 1px solid var(--c-line-soft);
}

.page-home .tk-label {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--c-muted);
}

.page-home .tk-value {
  margin: 0 0 10px;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  color: var(--c-text);
}

.page-home .tk-value .num {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--c-lime);
}

.page-home .tk-hint {
  margin: 0;
  font-size: 12px;
  line-height: 1.65;
  color: var(--c-muted);
  opacity: 0;
  max-height: 0;
  transition: opacity 200ms ease, max-height 240ms ease;
}

.page-home .tk:hover .tk-hint,
.page-home .tk:focus-within .tk-hint {
  opacity: 1;
  max-height: 80px;
}

.page-home .ticker-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-home .ticker-foot p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
}

/* ---------- 速答 ---------- */
.page-home .quick {
  padding: clamp(44px, 6vw, 88px) 0 clamp(56px, 7vw, 104px);
  border-top: 1px solid var(--c-line-soft);
}

.page-home .quick-grid {
  display: grid;
  gap: 12px;
}

.page-home .qa {
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  padding: 16px 18px;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 97% 100%, 0 100%);
}

.page-home .qa summary {
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.page-home .qa summary::-webkit-details-marker { display: none; }

.page-home .qa summary::before {
  content: "+";
  flex: none;
  font-family: var(--f-mono);
  color: var(--c-lime);
  transition: transform 180ms ease;
}

.page-home .qa[open] summary::before {
  content: "−";
}

.page-home .qa p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-muted);
  max-width: 58ch;
}

.page-home .qa a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
}

.page-home .qa a:hover,
.page-home .qa a:focus-visible {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
}

.page-home .quick-cta {
  margin-top: clamp(24px, 3.4vw, 40px);
  padding: clamp(20px, 2.8vw, 30px);
  display: grid;
  gap: 18px;
  border: 1px solid var(--c-line);
  border-top: 2px solid transparent;
  background:
    linear-gradient(var(--c-panel), var(--c-panel)) padding-box,
    var(--grad-brand) border-box;
  border-top-color: transparent;
}

.page-home .quick-cta h3 {
  margin: 0 0 8px;
  font-family: var(--f-display);
  font-size: 22px;
  letter-spacing: -0.01em;
}

.page-home .quick-cta p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  max-width: 58ch;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-home .quick-cta {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-home .quick-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-home .hero-body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: end;
  }

  .page-home .hero-visual {
    margin-right: calc(-1 * var(--shell-pad));
  }

  .page-home .phase-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-home .phase-visual {
    position: sticky;
    top: 108px;
  }

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

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

  .page-home .path-card--b {
    margin-top: 28px;
  }

  .page-home .path-card--c {
    margin-top: 56px;
  }
}

@media (max-width: 480px) {
  .page-home .tk {
    width: 220px;
    padding: 18px 16px;
  }

  .page-home .metric-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .hero-kicker .dot,
  .page-home .ticker-track {
    animation: none;
  }

  .page-home .ticker-band {
    overflow-x: auto;
  }

  .page-home .tk-hint {
    opacity: 1;
    max-height: none;
  }

  .page-home .tl-link,
  .page-home .path-link,
  .page-home .qa summary::before {
    transition: none;
  }
}