.page-home {
  --home-angle: -2.5deg;
  --home-accent: var(--c-cyan);
  position: relative;
  color: var(--c-paper);
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: min(90vh, 760px);
  padding-block: clamp(3rem, 10vh, 6rem) clamp(2.5rem, 7vh, 4.5rem);
  overflow: hidden;
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-home .hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
  filter: saturate(.9);
}

.page-home .hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 95% at 10% 18%, rgba(11, 26, 43, .42) 0%, rgba(11, 26, 43, .93) 66%, var(--c-ink) 100%);
}

.page-home .hero__topo {
  position: absolute;
  right: -3rem;
  bottom: clamp(1rem, 6vh, 3.5rem);
  width: min(30rem, 60vw);
  height: auto;
  z-index: 1;
  color: var(--c-cyan);
  opacity: .3;
  pointer-events: none;
}

.page-home .hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
}

.page-home .hero .crumb {
  color: var(--c-stone);
  font-family: var(--font-serif);
  font-size: .8125rem;
  letter-spacing: .08em;
}

.page-home .hero h1 {
  margin: .85rem 0 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 5.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--c-paper);
}

.page-home .hero__lede {
  margin: 1.1rem 0 0;
  max-width: 46ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--c-text-sub);
}

/* 三个锚点数字 */
.page-home .anchors {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: clamp(2.25rem, 6vw, 3.5rem) 0 0;
  border-top: 1px solid var(--c-line);
}

.page-home .anchor {
  padding: clamp(.85rem, 2.4vw, 1.15rem) 0;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-home .anchor__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2.9rem, 11vw, 5.5rem);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.045em;
  color: var(--c-cyan);
  font-variant-numeric: tabular-nums;
}

.page-home .anchor__label {
  display: block;
  margin-top: .55rem;
  font-size: .875rem;
  line-height: 1.6;
  letter-spacing: .05em;
  color: var(--c-text-sub);
}

/* ============ 站点目录索引 ============ */
.page-home .index-sec {
  position: relative;
  margin-top: clamp(2.5rem, 7vw, 5rem);
  padding-block: clamp(3rem, 8vw, 5.5rem) clamp(3rem, 8vw, 5.5rem);
  background: var(--c-layer);
}

.page-home .index-sec::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 100%;
  height: clamp(1.5rem, 5vw, 3.5rem);
  background: var(--c-layer);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.page-home .index-sec__head {
  margin-bottom: clamp(1.75rem, 4.5vw, 2.75rem);
}

.page-home .index-sec__note {
  margin: .7rem 0 0;
  max-width: 52ch;
  font-family: var(--font-serif);
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--c-text-sub);
}

.page-home .index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-home .index-list__row {
  border-bottom: 1px solid var(--c-line-soft);
}

.page-home .index-list__link {
  position: relative;
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr) 1.25rem;
  gap: clamp(.6rem, 2.5vw, 1.5rem);
  align-items: start;
  padding: clamp(.9rem, 2.4vw, 1.35rem) clamp(.5rem, 1.8vw, 1rem);
  margin-inline: calc(-1 * clamp(.5rem, 1.8vw, 1rem));
  text-decoration: none;
  color: inherit;
  transition: background .3s var(--ease);
}

.page-home .index-list__link:hover,
.page-home .index-list__link:focus-visible {
  background: rgba(53, 224, 208, .055);
}

.page-home .index-list__link--current {
  color: var(--c-paper);
  cursor: default;
}

.page-home .index-list__no {
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--c-stone);
  padding-top: .3rem;
  transition: color .3s var(--ease);
}

.page-home .index-list__link:hover .index-list__no,
.page-home .index-list__link:focus-visible .index-list__no {
  color: var(--c-cyan);
}

.page-home .index-list__body {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  min-width: 0;
}

.page-home .index-list__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-home .index-list__desc {
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--c-text-sub);
}

.page-home .index-list__go {
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--c-gold);
  justify-self: end;
  padding-top: .15rem;
  transition: transform .3s var(--ease), opacity .3s var(--ease);
}

.page-home .index-list__link:hover .index-list__go,
.page-home .index-list__link:focus-visible .index-list__go {
  transform: translateX(5px);
}

/* ============ 三条产品线 ============ */
.page-home .lines {
  padding-block: clamp(3rem, 8vw, 5.5rem);
}

.page-home .lines__fig {
  margin: 0 0 clamp(1.75rem, 4.5vw, 2.75rem);
}

.page-home .lines__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--c-line-soft);
  border: 1px solid var(--c-line-soft);
}

.page-home .line-card {
  position: relative;
  background: var(--c-ink);
  padding: clamp(1.25rem, 3.5vw, 2rem) clamp(1.15rem, 3vw, 1.75rem) clamp(1.35rem, 3.5vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: .7rem;
}

.page-home .line-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--line-accent, var(--c-cyan));
}

.page-home .line-card--arcade {
  --line-accent: var(--c-cyan);
}

.page-home .line-card--live {
  --line-accent: var(--c-gold);
}

.page-home .line-card--table {
  --line-accent: var(--c-clay);
}

.page-home .line-card__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  color: var(--line-accent, var(--c-cyan));
}

.page-home .line-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-home .line-card__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--c-text-sub);
}

.page-home .line-card__meta {
  list-style: none;
  margin: auto 0 0;
  padding: .9rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  border-top: 1px dashed var(--c-line);
}

.page-home .line-card__meta li {
  font-family: var(--font-serif);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--c-stone);
  padding: .2rem .55rem;
  border: 1px solid var(--c-line-soft);
}

/* ============ 区域标签 ============ */
.page-home .region {
  padding-block: clamp(3rem, 8vw, 5.5rem);
  background:
    linear-gradient(180deg, transparent 0%, rgba(42, 31, 61, .55) 45%, transparent 100%);
}

.page-home .region__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3rem);
  align-items: center;
}

.page-home .region__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1rem 0 1.25rem;
}

.page-home .region__main p {
  margin: 0 0 1rem;
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-text-sub);
}

.page-home .region__link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin-top: .5rem;
  font-family: var(--font-serif);
  font-size: .9375rem;
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-line);
  padding-bottom: .2rem;
  transition: color .3s var(--ease), gap .3s var(--ease);
}

.page-home .region__link:hover,
.page-home .region__link:focus-visible {
  color: var(--c-cyan);
  gap: .85rem;
}

.page-home .region__fig {
  margin: 0;
}

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

/* ============ 线路状态 ============ */
.page-home .route {
  padding-block: clamp(3rem, 8vw, 5.5rem);
  border-top: 1px solid var(--c-line-soft);
}

.page-home .route__track {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-home .route__node {
  flex: 0 0 auto;
  min-width: 13rem;
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: clamp(1rem, 2.8vw, 1.35rem);
  background: var(--c-layer);
  border: 1px solid var(--c-line-soft);
}

.page-home .route__dot {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: currentColor;
}

.page-home .route__dot--moss {
  color: var(--c-moss);
  box-shadow: 0 0 0 3px rgba(76, 122, 106, .2);
}

.page-home .route__dot--clay {
  color: var(--c-clay);
  box-shadow: 0 0 0 3px rgba(176, 96, 62, .2);
}

.page-home .route__label {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--c-stone);
}

.page-home .route__val {
  font-size: 1rem;
  line-height: 1.5;
  color: var(--c-paper);
}

.page-home .route__fold {
  margin-top: clamp(1.25rem, 3.5vw, 2rem);
  border: 1px solid var(--c-line-soft);
  border-left: 2px solid var(--c-coral);
  background: rgba(255, 90, 95, .045);
}

.page-home .route__fold summary {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem clamp(.9rem, 3vw, 1.4rem);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-serif);
  font-size: .9375rem;
  letter-spacing: .04em;
  color: var(--c-gold);
}

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

.page-home .route__fold summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--c-coral);
}

.page-home .route__fold[open] summary::before {
  content: "–";
}

.page-home .route__fold-body {
  padding: 0 clamp(.9rem, 3vw, 1.4rem) 1.15rem;
}

.page-home .route__fold-body p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.9;
  color: var(--c-text-sub);
}

.page-home .route__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
}

.page-home .route__link {
  font-family: var(--font-serif);
  font-size: .9375rem;
  color: var(--c-text-sub);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-line);
  transition: color .3s var(--ease);
}

.page-home .route__link:hover,
.page-home .route__link:focus-visible {
  color: var(--c-cyan);
}

/* ============ 核对与联络 ============ */
.page-home .check {
  padding-block: clamp(3rem, 8vw, 5.5rem);
}

.page-home .check__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 5vw, 3rem);
}

.page-home .check__lead p {
  margin: 0 0 1rem;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-text-sub);
}

.page-home .check__note {
  font-family: var(--font-serif);
  font-size: .875rem;
  color: var(--c-stone);
}

.page-home .check__links {
  display: grid;
  gap: .75rem;
  align-content: start;
}

.page-home .check__card {
  display: block;
  padding: clamp(1.1rem, 3vw, 1.5rem);
  border-left: 2px solid var(--c-cyan);
  text-decoration: none;
  color: inherit;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-home .check__card--gold {
  border-left-color: var(--c-gold);
}

.page-home .check__card:hover,
.page-home .check__card:focus-visible {
  transform: translateX(5px);
  border-left-color: var(--c-cyan);
}

.page-home .check__card strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-home .check__card span {
  display: block;
  margin-top: .4rem;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--c-text-sub);
}

/* ============ 收尾横幅 ============ */
.page-home .closer {
  padding-block: clamp(1.5rem, 5vw, 3rem) clamp(3rem, 8vw, 5rem);
}

.page-home .closer__fig {
  margin: 0;
}

.page-home .closer__fig figcaption {
  margin-top: .85rem;
  font-family: var(--font-serif);
  font-size: .8125rem;
  line-height: 1.8;
  color: var(--c-stone);
}

/* ============ 进出场 ============ */
.page-home [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.page-home [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-home .anchors {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 4vw, 2.75rem);
    border-top: 0;
  }

  .page-home .anchor {
    padding: 1rem 0 0;
    border-top: 1px solid var(--c-line);
    border-bottom: 0;
  }
}

@media (min-width: 780px) {
  .page-home .lines__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .index-list__link {
    grid-template-columns: 2.25rem minmax(0, 1fr) 1.5rem;
    align-items: baseline;
  }

  .page-home .index-list__body {
    flex-direction: row;
    align-items: baseline;
    gap: clamp(1rem, 3vw, 2.5rem);
  }

  .page-home .index-list__name {
    flex: 0 0 8.5rem;
  }
}

@media (min-width: 860px) {
  .page-home .region__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-home .check__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-home .index-list__link,
  .page-home .index-list__go,
  .page-home .check__card,
  .page-home .region__link {
    transition: none;
  }
}