.page-home {
  --h-cut: 30px;
  --h-line: rgba(174, 183, 194, 0.16);
  --h-line-soft: rgba(174, 183, 194, 0.09);
  --h-cyan-glow: rgba(22, 224, 255, 0.16);
  --h-ink-soft: #5a4a3e;
  display: block;
  background-color: var(--graphite-900);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

.page-home h1,
.page-home h2,
.page-home h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  margin: 0;
}

.page-home .breadcrumb {
  padding: clamp(14px, 2vw, 22px) 0 clamp(6px, 1.4vw, 12px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-home .fig-note {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.07em;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  padding-bottom: clamp(40px, 6vw, 84px);
  overflow: hidden;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(78% 92% at 88% 6%, var(--h-cyan-glow), transparent 62%),
    linear-gradient(112deg, rgba(11, 94, 215, 0.24) 0%, transparent 46%);
  pointer-events: none;
  z-index: 0;
}

.page-home .hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: -6%;
  bottom: 0;
  width: min(52%, 700px);
  background: repeating-linear-gradient(
    104deg,
    transparent 0 26px,
    rgba(22, 224, 255, 0.12) 26px 27px
  );
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-home .hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-home .hero h1 {
  margin-top: 4px;
  font-size: clamp(32px, 6.4vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.045em;
  color: var(--paper);
}

.page-home .hero h1 em {
  font-style: normal;
  color: var(--cyan);
}

.page-home .hero-lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-home .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 44px);
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: clamp(14px, 2vw, 20px) 0 0;
  border-top: 1px solid var(--h-line);
}

.page-home .hero-stats .stat {
  margin: 0;
}

.page-home .hero-stats dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-home .hero-stats dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--yellow);
}

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

.page-home .hero-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--graphite-800);
  border: 1px solid var(--line-blue);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
}

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

.page-home .hero-dial {
  position: absolute;
  right: 18px;
  bottom: 4px;
  font-family: var(--font-mono);
  font-size: clamp(56px, 11vw, 108px);
  font-weight: 700;
  line-height: 0.78;
  letter-spacing: -0.06em;
  color: transparent;
  -webkit-text-stroke: 1.5px rgba(255, 210, 63, 0.5);
  pointer-events: none;
}

/* ---------- 通用分区 ---------- */
.page-home .band {
  position: relative;
  padding: clamp(44px, 7vw, 92px) 0;
  border-bottom: 1px solid var(--h-line);
}

.page-home .band-head {
  max-width: 62ch;
  margin-bottom: clamp(22px, 3.4vw, 38px);
}

.page-home .band-head h2 {
  font-size: clamp(24px, 4vw, 42px);
  line-height: 1.1;
  color: var(--paper);
}

.page-home .band-lead {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: clamp(14.5px, 1.5vw, 16.5px);
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 三条入口 ---------- */
.page-home .routes-visual {
  margin: 0 0 clamp(24px, 3.4vw, 36px);
  position: relative;
  overflow: hidden;
  background: var(--graphite-800);
  border: 1px solid var(--h-line);
  aspect-ratio: 16 / 9;
}

.page-home .routes-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .routes-visual .fig-note {
  position: absolute;
  left: 14px;
  bottom: 10px;
  margin: 0;
  padding: 4px 10px;
  background: rgba(17, 20, 24, 0.72);
  color: var(--mist);
}

.page-home .route-grid {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-home .route-card {
  position: relative;
  background-color: var(--graphite-800);
  background-image: linear-gradient(158deg, rgba(22, 224, 255, 0.07), transparent 46%);
  border: 1px solid var(--h-line);
  padding: clamp(20px, 2.6vw, 28px);
  transition:
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-home .route-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--h-cut);
  height: var(--h-cut);
  background: var(--graphite-900);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-home .route-card .coord {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--yellow);
}

.page-home .route-card h3 {
  margin-bottom: 8px;
  font-size: clamp(19px, 2.2vw, 23px);
  color: var(--paper);
}

.page-home .route-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .route-extra {
  margin-top: 10px;
  opacity: 0.72;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .route-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-home .route-link::after {
  content: "→";
}

.page-home .route-link:hover,
.page-home .route-link:focus-visible {
  border-bottom-color: var(--cyan);
}

@media (hover: hover) {
  .page-home .route-card:hover {
    transform: translate(-3px, -6px);
    border-color: var(--cyan);
    background-color: var(--graphite-700);
  }

  .page-home .route-card:hover .route-extra,
  .page-home .route-card:focus-within .route-extra {
    opacity: 1;
    color: var(--text);
  }
}

.page-home .route-card:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 2px var(--h-cyan-glow);
}

/* ---------- 规则摘要 ---------- */
.page-home .rules {
  background-color: var(--graphite-900);
  background-image: radial-gradient(88% 62% at 50% 0%, rgba(11, 94, 215, 0.18), transparent 72%);
  scroll-margin-top: calc(var(--header-h) + var(--track-h) + 18px);
}

.page-home .rules-shell {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}

.page-home .rules-card {
  padding: clamp(22px, 3.4vw, 40px);
}

.page-home .rules-card h2 {
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.12;
  color: var(--paper-ink);
}

.page-home .rules-card .band-lead {
  color: var(--h-ink-soft);
}

.page-home .rule-steps {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 1.8vw, 16px);
}

.page-home .rule-steps > li {
  padding: 16px 16px 16px 18px;
  border-left: 2px solid var(--orange);
  background: rgba(37, 28, 22, 0.05);
}

.page-home .rule-steps h3 {
  margin: 8px 0 6px;
  font-size: clamp(17px, 2vw, 20px);
  letter-spacing: -0.02em;
  color: var(--paper-ink);
}

.page-home .rule-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--h-ink-soft);
}

.page-home .rules-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 28px);
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px solid rgba(37, 28, 22, 0.16);
}

.page-home .rules-note {
  flex: 1 1 220px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--h-ink-soft);
}

.page-home .rules-side {
  display: grid;
  gap: 16px;
}

.page-home .rules-visual {
  margin: 0;
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--graphite-800);
  border: 1px solid var(--h-line);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

.page-home .rules-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 服务范围 ---------- */
.page-home .scope-track {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--h-line);
}

.page-home .scope-track > li {
  position: relative;
  padding: clamp(16px, 2.2vw, 22px) 0 clamp(16px, 2.2vw, 22px) clamp(28px, 4vw, 42px);
  border-bottom: 1px solid var(--h-line-soft);
}

.page-home .scope-track > li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--h-line-soft);
}

.page-home .scope-track > li::after {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(24px, 2.9vw, 30px);
  width: 9px;
  height: 9px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-home .scope-ver {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--yellow);
}

.page-home .scope-track h3 {
  font-size: clamp(17px, 2.2vw, 21px);
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .scope-track p {
  margin: 6px 0 0;
  max-width: 56ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-home .scope-foot {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
}

/* ---------- 夜间体验 ---------- */
.page-home .scene-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 30px);
}

.page-home .scene-feature {
  margin: 0;
  position: relative;
  overflow: hidden;
  background: var(--graphite-800);
  border: 1px solid var(--h-line);
  aspect-ratio: 3 / 2;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-home .scene-feature img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .scene-feature .fig-note {
  position: absolute;
  left: 14px;
  bottom: 10px;
  margin: 0;
  padding: 4px 10px;
  background: rgba(17, 20, 24, 0.72);
}

.page-home .scene-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--h-line);
  border: 1px solid var(--h-line);
}

.page-home .scene-list > li {
  background: var(--graphite-900);
  padding: clamp(14px, 1.8vw, 18px) clamp(14px, 2vw, 20px);
  transition: background-color var(--dur) var(--ease);
}

.page-home .scene-list h3 {
  margin-bottom: 4px;
  font-size: 17px;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .scene-list p {
  margin: 0;
  font-size: 13.8px;
  line-height: 1.68;
  color: var(--mist);
}

@media (hover: hover) {
  .page-home .scene-list > li:hover {
    background: var(--graphite-800);
  }
}

/* ---------- 答疑与联系 ---------- */
.page-home .closing {
  border-bottom: 0;
}

.page-home .closing-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .closing-faq h2,
.page-home .closing-contact h2 {
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.14;
  color: var(--paper);
}

.page-home .closing-faq h2 {
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-home .qa {
  border-bottom: 1px solid var(--h-line);
}

.page-home .qa summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 0;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
  list-style: none;
}

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

.page-home .qa summary::before {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--orange);
}

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

.page-home .qa summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-home .qa p {
  margin: 0 0 16px 27px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-home .closing-contact {
  position: relative;
  background: var(--graphite-800);
  border: 1px solid var(--h-line);
  padding: clamp(20px, 2.8vw, 30px);
}

.page-home .closing-contact::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34px;
  height: 34px;
  background: var(--graphite-900);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-home .closing-contact h2 {
  margin-top: 4px;
}

.page-home .contact-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .contact-list li {
  display: grid;
  gap: 3px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--h-line-soft);
}

.page-home .contact-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-home .contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-home .contact-value {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-home .contact-note {
  margin: 16px 0 18px;
  padding-left: 12px;
  border-left: 2px solid var(--orange);
  font-size: 12.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-home .scene-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-home .routes-visual {
    aspect-ratio: 21 / 9;
  }
}

@media (min-width: 680px) {
  .page-home .rule-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 860px) {
  .page-home .route-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  .page-home .route-card:nth-child(2) {
    margin-top: 30px;
  }

  .page-home .route-card:nth-child(3) {
    margin-top: 60px;
  }
}

@media (min-width: 900px) {
  .page-home .hero-inner {
    grid-template-columns: 1.02fr 0.98fr;
  }

  .page-home .scene-grid {
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
  }

  .page-home .closing-grid {
    grid-template-columns: 1.25fr 1fr;
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-home .rules-shell {
    grid-template-columns: 1.6fr 1fr;
    align-items: start;
  }

  .page-home .scope-track {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(16px, 2.4vw, 28px);
    border-top: 0;
  }

  .page-home .scope-track > li {
    border-bottom: 0;
    border-top: 1px solid var(--h-line);
    padding-top: clamp(20px, 2.4vw, 28px);
  }

  .page-home .scope-track > li::before {
    display: none;
  }

  .page-home .scope-track > li::after {
    top: -5px;
    left: 0;
  }
}

@media (max-width: 479px) {
  .page-home .hero::after {
    opacity: 0.5;
  }

  .page-home .hero-dial {
    right: 12px;
    font-size: 52px;
  }

  .page-home .rule-steps > li {
    padding: 14px 12px 14px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .route-card,
  .page-home .route-extra,
  .page-home .route-link,
  .page-home .scene-list > li,
  .page-home .contact-value {
    transition: none;
  }

  .page-home .route-card:hover {
    transform: none;
  }
}