.page-home {
  --home-hair: rgba(53, 227, 218, 0.16);
  --home-card: rgba(16, 27, 46, 0.86);
  --home-muted: #4A5468;
  --home-track: #C9C3B4;
  background: var(--ink-950);
  color: var(--white);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(5.5rem, 12vw, 9rem) clamp(2.4rem, 6vw, 4.4rem);
  border-bottom: 1px solid var(--ink-700);
}

.page-home .hero__meta {
  display: block;
  margin-bottom: clamp(1.4rem, 3vw, 2.4rem);
  color: var(--gray-400);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-home .hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3.6rem);
}

.page-home .hero__col {
  min-width: 0;
}

.page-home .hero__version {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.4rem, 16vw, 8.4rem);
  line-height: 0.82;
  letter-spacing: -0.05em;
  color: var(--cyan-400);
  margin-bottom: 0.55rem;
}

.page-home .hero__h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5.4vw, 3.1rem);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
  color: var(--white);
}

.page-home .hero__lead {
  max-width: 34ch;
  font-size: clamp(0.94rem, 2.2vw, 1.02rem);
  line-height: 1.85;
  color: var(--text-soft);
  margin: 0 0 1.5rem;
}

.page-home .state-list {
  list-style: none;
  margin: 0 0 1.7rem;
  padding: 0;
  border-top: 1px solid var(--ink-700);
  max-width: 46rem;
}

.page-home .state-item {
  display: grid;
  grid-template-columns: 4.6rem 1fr;
  gap: 0.2rem 0.8rem;
  align-items: baseline;
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--ink-700);
}

.page-home .state-item__key {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--cyan-400);
  text-transform: uppercase;
}

.page-home .state-item__val {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-home .state-item__val strong {
  color: var(--white);
  font-weight: 600;
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.page-home .hero__stage {
  position: relative;
  min-width: 0;
}

.page-home .hero__glow {
  position: absolute;
  top: -6%;
  right: 0;
  bottom: -8%;
  left: 0;
  z-index: 0;
  overflow: hidden;
  border: 1px solid var(--ink-700);
  opacity: 0.3;
}

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

.page-home .hero__band {
  position: relative;
  z-index: 1;
  width: 84%;
  margin: 0 0 0.9rem auto;
  overflow: hidden;
  border: 1px solid var(--ink-700);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 1.3rem 100%, 0 calc(100% - 1.3rem));
}

.page-home .hero__band img {
  display: block;
  width: 100%;
  height: clamp(74px, 12vw, 118px);
  object-fit: cover;
  object-position: center 40%;
}

.page-home .index-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0.7rem, 1.4vw, 1.05rem);
}

.page-home .idx-card {
  display: block;
  position: relative;
  padding: 1.25rem 1.2rem 2.1rem;
  background: var(--home-card);
  border: 1px solid var(--ink-700);
  color: var(--white);
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-home .idx-card:hover,
.page-home .idx-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--cyan-400);
  background: rgba(16, 27, 46, 0.97);
}

.page-home .idx-card:focus-visible {
  outline: 2px solid var(--cyan-150);
  outline-offset: 3px;
}

.page-home .idx-card__coord {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--gray-400);
  margin-bottom: 0.55rem;
  transition: color 0.25s var(--ease);
}

.page-home .idx-card:hover .idx-card__coord,
.page-home .idx-card:focus-visible .idx-card__coord {
  color: var(--cyan-400);
}

.page-home .idx-card__title {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 0.42rem;
  color: var(--white);
}

.page-home .idx-card__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-home .idx-card__arrow {
  position: absolute;
  right: 1.05rem;
  bottom: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--gray-400);
  transition: color 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-home .idx-card:hover .idx-card__arrow,
.page-home .idx-card:focus-visible .idx-card__arrow {
  color: var(--orange-500);
  transform: translateX(4px);
}

/* ---------- 时间轴 ---------- */

.page-home .timeline-sec {
  border-bottom: 1px solid var(--ink-700);
}

.page-home .timeline-media {
  margin-top: clamp(1.6rem, 3.4vw, 2.6rem);
  border: 1px solid var(--ink-700);
}

.page-home .timeline-media img {
  opacity: 0.62;
}

.page-home .tl {
  position: relative;
  margin-top: clamp(1.4rem, 3vw, 2.2rem);
}

.page-home .tl__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-home .tl__tab {
  display: inline-block;
  margin: 0 0.5rem 0.9rem 0;
  padding: 0.5rem 1rem;
  border: 1px solid var(--ink-700);
  background: transparent;
  color: var(--gray-400);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-home .tl__tab:hover {
  color: var(--cyan-150);
  border-color: var(--cyan-400);
}

.page-home #tl-a:checked + .tl__tab,
.page-home #tl-b:checked + .tl__tab {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-950);
}

.page-home .tl__radio:focus-visible + .tl__tab {
  outline: 2px solid var(--cyan-150);
  outline-offset: 3px;
}

.page-home .tl__panel {
  display: none;
}

.page-home #tl-a:checked ~ .tl__panels .tl__panel--a,
.page-home #tl-b:checked ~ .tl__panels .tl__panel--b {
  display: block;
}

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

.page-home .stop {
  position: relative;
  display: grid;
  grid-template-columns: 4.4rem 1fr;
  gap: 0.1rem 0.75rem;
  align-items: baseline;
  padding: 0.75rem 0;
  border-top: 1px solid var(--ink-700);
}

.page-home .stop__time {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

.page-home .stop__name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--white);
}

.page-home .stop__note {
  font-size: 0.79rem;
  line-height: 1.6;
  color: var(--gray-400);
}

.page-home .stop--hot .stop__time {
  color: var(--orange-500);
}

.page-home .stop--hold .stop__name::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 0.45rem;
  border-radius: 50%;
  background: var(--cyan-400);
  vertical-align: middle;
}

/* ---------- 四步开通 ---------- */

.page-home .steps-sec {
  border-bottom: 1px solid var(--ink-700);
  background: linear-gradient(180deg, var(--ink-850) 0%, var(--ink-950) 78%);
}

.page-home .steps {
  list-style: none;
  margin: clamp(1.6rem, 3.4vw, 2.4rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--ink-700);
  border: 1px solid var(--ink-700);
}

.page-home .step {
  background: var(--ink-850);
  padding: 1.35rem 1.15rem 1.55rem;
}

.page-home .step__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

.page-home .step__title {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  margin: 0.5rem 0 0.38rem;
  color: var(--white);
}

.page-home .step__text {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-home .steps__foot {
  display: block;
  margin-top: 1rem;
  color: var(--gray-400);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
}

.page-home .steps__figure {
  margin: clamp(1.8rem, 4vw, 2.8rem) 0 0;
  border: 1px solid var(--ink-700);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 2.2rem), calc(100% - 2.2rem) 100%, 0 100%);
  overflow: hidden;
}

.page-home .steps__figure .media {
  margin: 0;
}

.page-home .steps__figure .media img {
  opacity: 0.85;
}

.page-home .steps__figure .media__caption {
  display: block;
  padding: 0.7rem 0.6rem 0.9rem;
  font-size: 0.78rem;
  line-height: 1.65;
  color: var(--gray-400);
  border-top: 1px solid var(--ink-700);
  background: var(--ink-950);
}

/* ---------- 三端同步 ---------- */

.page-home .sync {
  border-bottom: 1px solid var(--ink-700);
}

.page-home .sync__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: center;
}

.page-home .sync__text {
  min-width: 0;
}

.page-home .devices {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  border-top: 1px solid var(--ink-700);
}

.page-home .device {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.18rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--ink-700);
}

.page-home .device__name {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
}

.page-home .device__spec {
  font-size: 0.87rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-home .sync__figure {
  margin: 0;
  min-width: 0;
}

.page-home .sync__figure .media {
  margin: 0;
  aspect-ratio: 3 / 4;
  border: 1px solid var(--ink-700);
}

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

.page-home .sync__figure .media__caption {
  display: block;
  margin-top: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--gray-400);
}

/* ---------- 规模 ---------- */

.page-home .scale-sec {
  background: var(--paper-100);
  color: var(--paper-ink);
  border-bottom: 1px solid var(--paper-300);
}

.page-home .scale-sec .mono-label {
  color: #7A7466;
}

.page-home .scale-sec .section-title {
  color: var(--ink-950);
}

.page-home .stats {
  list-style: none;
  margin: clamp(1.6rem, 3.4vw, 2.4rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem 1.1rem;
}

.page-home .stat {
  border-top: 2px solid var(--home-track);
  padding-top: 0.75rem;
  min-width: 0;
}

.page-home .stat__num {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.7rem, 5vw, 2.5rem);
  line-height: 1;
  letter-spacing: -0.035em;
  color: var(--ink-950);
}

.page-home .stat__unit {
  margin-left: 0.22rem;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--home-muted);
}

.page-home .stat__label {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--home-muted);
}

.page-home .stat::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  margin-top: 0.85rem;
  background: var(--orange-500);
}

.page-home .scale-note {
  max-width: 60ch;
  margin: clamp(1.4rem, 3vw, 2rem) 0 0;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--paper-ink);
}

/* ---------- 下一步 ---------- */

.page-home .next-sec {
  padding-block: clamp(3rem, 8vw, 6rem);
}

.page-home .next__inner {
  max-width: 44rem;
}

.page-home .next__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4.4vw, 2.3rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0.7rem 0 0.9rem;
  color: var(--white);
}

.page-home .next__text {
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--text-soft);
  margin: 0 0 1.5rem;
}

.page-home .next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-bottom: 1.4rem;
}

.page-home .next__misc {
  font-size: 0.84rem;
  line-height: 1.85;
  color: var(--gray-400);
  margin: 0;
}

.page-home .next__misc a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-home .next__misc a:hover {
  color: var(--cyan-150);
}

/* ---------- 断点 ---------- */

@media (min-width: 620px) {
  .page-home .index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 820px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }

  .page-home .track {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 1.2rem;
    border-top: 1px solid var(--ink-700);
    padding-top: 1.7rem;
  }

  .page-home .track::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 0;
    width: 64%;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan-400), var(--orange-500));
  }

  .page-home .stop {
    display: block;
    border-top: 0;
    padding: 0;
  }

  .page-home .stop__time {
    display: block;
    margin-bottom: 0.4rem;
  }

  .page-home .stop__name {
    display: block;
    margin-bottom: 0.3rem;
  }

  .page-home .stop__note {
    display: block;
  }

  .page-home .stop::before {
    content: "";
    position: absolute;
    top: -2.06rem;
    left: 0;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--cyan-400);
    box-shadow: 0 0 0 3px var(--ink-950);
  }

  .page-home .stop--hot::before {
    background: var(--orange-500);
  }

  .page-home .device {
    grid-template-columns: 6.2rem 1fr;
    align-items: baseline;
    gap: 0.2rem 1rem;
  }

  .page-home .sync__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
  }
}

@media (min-width: 1080px) {
  .page-home .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-home .stats {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 1.4rem;
  }

  .page-home .hero__version {
    font-size: clamp(5rem, 11vw, 8.4rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .idx-card,
  .page-home .idx-card__arrow,
  .page-home .idx-card__coord,
  .page-home .tl__tab {
    transition: none;
  }

  .page-home .idx-card:hover,
  .page-home .idx-card:focus-visible {
    transform: none;
  }

  .page-home .idx-card:hover .idx-card__arrow,
  .page-home .idx-card:focus-visible .idx-card__arrow {
    transform: none;
  }
}