.page-home {
  --home-glow: rgba(56, 242, 200, 0.16);
  --home-panel: rgba(15, 61, 46, 0.55);
  --home-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 0 0 clamp(2.5rem, 6vw, 4.5rem);
  background: var(--ink);
}

.page-home .hero__wash {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(70% 55% at 88% 6%, var(--home-glow), transparent 62%),
    linear-gradient(118deg, var(--night) 0%, var(--ink) 52%, var(--pitch) 100%);
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  margin: 0;
  overflow: hidden;
  clip-path: polygon(0 62%, 100% 38%, 100% 100%, 0 100%);
}

.page-home .hero__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: saturate(0.6) contrast(1.08);
}

.page-home .hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(205deg, rgba(11, 27, 43, 0.72) 0%, rgba(6, 17, 15, 0.28) 46%, rgba(15, 61, 46, 0.86) 100%);
}

.page-home .hero__shell {
  position: relative;
  padding-top: clamp(0.9rem, 2.5vw, 1.75rem);
}

.page-home .hero .crumbs {
  font-size: 0.75rem;
}

.page-home .hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.75rem, 4vw, 3rem);
}

.page-home .hero__rail {
  border-left: 1px solid var(--line-strong);
  padding-left: clamp(0.85rem, 2vw, 1.25rem);
}

.page-home .hero__rail .eyebrow {
  display: block;
}

.page-home .timeline {
  display: grid;
  gap: 0.8rem;
  margin: 0.9rem 0 0;
  padding: 0;
  list-style: none;
}

.page-home .timeline__item {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--mute);
  transition: color 200ms ease;
}

.page-home .timeline__item:hover {
  color: var(--soft);
}

.page-home .timeline__round {
  font-weight: 700;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-home .timeline__item--now {
  color: var(--paper);
}

.page-home .timeline__item--now .timeline__round {
  color: var(--ember);
}

.page-home .timeline__text {
  line-height: 1.5;
}

.page-home .hero__rail-link {
  margin-top: 1rem;
  font-size: 0.78rem;
}

.page-home .hero__main .display {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 6.4vw, 5.4rem);
  font-weight: 900;
  line-height: 0.96;
  letter-spacing: -0.04em;
  color: var(--paper);
  max-width: 13ch;
}

.page-home .hero__main .lede {
  margin: 1.15rem 0 0;
  max-width: 48ch;
  font-size: clamp(0.98rem, 1.2vw, 1.12rem);
  line-height: 1.78;
  color: var(--soft);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem 1.4rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-home .hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(2rem, 5vw, 3.25rem) 0 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-home .hero__stat {
  padding: 0.95rem 1rem;
  background: rgba(6, 17, 15, 0.74);
  backdrop-filter: blur(6px);
}

.page-home .hero__stat dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-home .hero__stat dd {
  margin: 0.4rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--pulse);
  line-height: 1;
}

.page-home .hero__unit {
  margin-left: 0.18rem;
  font-size: 0.68em;
  color: var(--mist);
}

/* ---------- 轮次带 ---------- */
.page-home .rounds {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-home .rounds__stage {
  position: relative;
}

.page-home .rounds__texture {
  position: absolute;
  inset: -8% -6% 0 34%;
  margin: 0;
  opacity: 0.14;
  pointer-events: none;
  z-index: 0;
}

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

.page-home .rounds__stage > .shell {
  position: relative;
  z-index: 1;
}

.page-home .rounds__head {
  display: grid;
  gap: 1.1rem;
  align-items: end;
}

.page-home .rounds__head-note p {
  margin: 0;
  max-width: 52ch;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--soft);
}

.page-home .rounds__head-note .btn--quiet {
  margin-top: 0.85rem;
  font-size: 0.8rem;
}

.page-home .track {
  display: flex;
  gap: 0.9rem;
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  padding: 0 0 1rem;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
  position: relative;
  z-index: 1;
}

.page-home .track:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 6px;
}

.page-home .track__item {
  flex: 0 0 clamp(200px, 76vw, 258px);
  scroll-snap-align: start;
  display: grid;
  gap: 0.5rem;
  padding: 1.1rem 1.05rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--home-panel);
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.page-home .track__item:hover,
.page-home .track__item:focus-within {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: rgba(15, 61, 46, 0.88);
}

.page-home .track__item .tag {
  justify-self: start;
}

.page-home .track__round {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
}

.page-home .track__time {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
  color: var(--mist);
}

.page-home .track__meta {
  font-size: 0.8rem;
  line-height: 1.55;
  color: var(--mute);
}

.page-home .rounds__foot {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.page-home .rounds__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-home .rounds__cats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- 三条主线 ---------- */
.page-home .lanes {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-home .lanes__head {
  max-width: 52ch;
}

.page-home .lanes__grid {
  display: grid;
  gap: 1.15rem;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-home .lanes__card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: clamp(1.2rem, 2.6vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: 6px;
  background: linear-gradient(165deg, rgba(15, 61, 46, 0.9) 0%, rgba(11, 27, 43, 0.92) 100%);
  transition: transform 220ms ease, border-color 220ms ease;
}

.page-home .lanes__card:hover,
.page-home .lanes__card:focus-within {
  transform: translateY(-4px);
  border-color: rgba(56, 242, 200, 0.42);
}

.page-home .lanes__card--b {
  background: linear-gradient(165deg, rgba(11, 27, 43, 0.94) 0%, rgba(15, 61, 46, 0.86) 100%);
}

.page-home .lanes__card--c {
  background: linear-gradient(165deg, rgba(6, 17, 15, 0.96) 0%, rgba(15, 61, 46, 0.78) 100%);
}

.page-home .lanes__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--pulse);
}

.page-home .lanes__card .card__title {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-home .lanes__card .card__body {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--soft);
}

.page-home .lanes__card .card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-home .lanes__link {
  margin-top: auto;
  padding-top: 0.4rem;
  align-self: flex-start;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 200ms ease, color 200ms ease;
}

.page-home .lanes__link:hover,
.page-home .lanes__link:focus-visible {
  color: var(--mist);
  border-bottom-color: currentColor;
}

/* ---------- 通勤战报 ---------- */
.page-home .commute {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-home .commute__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
}

.page-home .commute__lede {
  margin: 0.9rem 0 0;
  max-width: 46ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--soft);
}

.page-home .commute__list {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 1.6rem;
  padding: 0;
  list-style: none;
}

.page-home .commute__list li {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--soft);
}

.page-home .commute__list .num {
  flex: 0 0 auto;
  min-width: 3.2rem;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--pulse);
}

.page-home .commute__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  overflow: hidden;
  background: rgba(6, 17, 15, 0.6);
}

.page-home .commute__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 分类标签 ---------- */
.page-home .labels {
  padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.page-home .labels__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-home .labels__lede {
  margin: 0.9rem 0 1.5rem;
  max-width: 42ch;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--soft);
}

.page-home .labels__figure {
  margin: 0 0 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: rgba(11, 27, 43, 0.7);
}

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

.page-home .labels__group {
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
}

.page-home .labels__group-name {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
}

.page-home .labels__group-note {
  letter-spacing: 0.08em;
  color: var(--mute);
  text-transform: none;
}

.page-home .labels__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ---------- 咨询与版本 ---------- */
.page-home .support {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3rem, 6vw, 4.5rem);
}

.page-home .support__bar {
  position: relative;
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.25rem, 3vw, 2.1rem);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--glass);
  backdrop-filter: blur(14px);
  box-shadow: var(--home-shadow);
  overflow: hidden;
}

.page-home .support__bar::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--pulse) 0%, var(--ember) 55%, transparent 100%);
}

.page-home .support__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-home .support__text {
  margin: 0.75rem 0 0;
  max-width: 44ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--soft);
}

.page-home .support__status {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding-bottom: 0.85rem;
  margin-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--mist);
  line-height: 1.5;
}

.page-home .support__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.page-home .support__value {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  margin: 0.3rem 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--paper);
  word-break: break-all;
}

.page-home .support__value:last-child {
  margin-bottom: 0;
}

.page-home .support__copy {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.page-home .support__col--links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.7rem;
}

.page-home .support__address {
  margin: 0.4rem 0 0;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--mute);
  max-width: 30ch;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-home .rounds__foot {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
    gap: 1.5rem;
  }

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

@media (min-width: 860px) {
  .page-home .rounds__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 2.5rem;
  }

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

  .page-home .lanes__card--b {
    margin-top: 1.75rem;
  }

  .page-home .lanes__card--c {
    margin-top: 3.5rem;
  }

  .page-home .commute__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-home .support__bar {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.3fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 2rem;
  }
}

@media (min-width: 900px) {
  .page-home .hero__bg {
    clip-path: polygon(48% 0, 100% 0, 100% 100%, 28% 100%);
  }

  .page-home .hero__grid {
    grid-template-columns: minmax(0, 3.1fr) minmax(0, 8.9fr);
    align-items: start;
    gap: 3rem;
  }

  .page-home .hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-home .track__item,
  .page-home .lanes__card,
  .page-home .timeline__item,
  .page-home .lanes__link {
    transition: none;
  }

  .page-home .track__item:hover,
  .page-home .track__item:focus-within,
  .page-home .lanes__card:hover,
  .page-home .lanes__card:focus-within {
    transform: none;
  }
}