/* ============================================================
   首页 · 轮次总览（page-home）
   ============================================================ */

.page-home {
  --home-stair-step: 8px;
}

@media (min-width: 760px) {
  .page-home {
    --home-stair-step: 20px;
  }
}

/* ---------- 页面上下文条 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .85rem;
  padding-top: clamp(1rem, 2.5vw, 1.75rem);
  font-family: var(--font-mono);
  font-size: var(--type-meta);
  letter-spacing: .06em;
  color: var(--chalk-dim);
}

.page-home .home-context__sync {
  margin-left: auto;
  color: var(--glow-blue-deep);
}

/* ---------- 首屏：索引式预览 ---------- */
.page-home .home-hero {
  position: relative;
  overflow: clip;
  padding-block: clamp(1.25rem, 3.5vw, 2.25rem) clamp(3rem, 8vw, 6rem);
}

.page-home .home-hero__inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .home-hero__copy {
  position: relative;
  z-index: 2;
}

.page-home .home-hero__title {
  margin: .7rem 0 0;
  max-width: 14em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--type-h1);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--chalk);
}

.page-home .home-hero__lede {
  margin: 1.15rem 0 0;
  max-width: 44ch;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--chalk-dim);
}

/* 索引列表 */
.page-home .home-index {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .home-index__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .15rem .85rem;
  align-items: baseline;
  padding: .9rem .3rem;
  border-bottom: 1px solid var(--line-soft);
  text-decoration: none;
  color: var(--chalk);
  transition: background .22s var(--ease), padding-left .22s var(--ease);
}

.page-home .home-index__link:hover,
.page-home .home-index__link:focus-visible {
  background: linear-gradient(90deg, rgba(79, 227, 255, .1), rgba(79, 227, 255, 0) 72%);
  padding-left: .85rem;
}

.page-home .home-index__link .coord {
  grid-row: 1 / span 2;
  align-self: start;
}

.page-home .home-index__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -.01em;
}

.page-home .home-index__desc {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: var(--type-meta);
  letter-spacing: .04em;
  color: var(--chalk-dim);
}

/* 首屏媒体 */
.page-home .home-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: var(--turf-panel);
}

.page-home .home-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

@media (min-width: 960px) {
  .page-home .home-hero__inner {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: clamp(1rem, 2vw, 1.75rem);
    row-gap: 0;
    align-items: start;
  }

  .page-home .home-hero__copy {
    grid-column: 1 / 8;
    grid-row: 1;
    padding: clamp(1rem, 3vw, 2.5rem) 2rem 0 0;
    background: linear-gradient(100deg, rgba(7, 19, 15, .97) 0%, rgba(7, 19, 15, .9) 56%, rgba(7, 19, 15, 0) 100%);
  }

  .page-home .home-hero__media {
    grid-column: 6 / 13;
    grid-row: 1;
    z-index: 1;
    margin-top: clamp(3rem, 8vw, 6rem);
    margin-right: calc(var(--gutter) * -1);
  }

  .page-home .home-hero__media img {
    aspect-ratio: 4 / 3;
  }
}

/* ---------- 对角时间轴 ---------- */
.page-home .home-track-section {
  margin-top: clamp(2rem, 6vw, 4rem);
}

.page-home .home-track__lede {
  margin: .75rem 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  line-height: 1.85;
  color: var(--chalk-dim);
}

.page-home .home-track__scroller {
  display: flex;
  gap: clamp(.9rem, 2vw, 1.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding: 1rem max(var(--gutter), calc((100vw - var(--shell)) / 2)) 6rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--glow-blue-deep) transparent;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-track__scroller:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: -4px;
}

.page-home .round-card {
  flex: 0 0 min(76vw, 288px);
  display: flex;
  flex-direction: column;
  gap: .45rem;
  scroll-snap-align: start;
  padding: 1.35rem 1.25rem 1.15rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--turf-panel);
  transform: translateY(var(--stair, 0px));
  transition: transform .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
}

.page-home .round-card:hover,
.page-home .round-card:focus-within {
  border-color: var(--glow-blue-deep);
  background: var(--turf-raise);
  transform: translateY(calc(var(--stair, 0px) - 6px));
}

.page-home .round-card:nth-child(1) { --stair: calc(var(--home-stair-step) * 0); }
.page-home .round-card:nth-child(2) { --stair: calc(var(--home-stair-step) * 1); }
.page-home .round-card:nth-child(3) { --stair: calc(var(--home-stair-step) * 2); }
.page-home .round-card:nth-child(4) { --stair: calc(var(--home-stair-step) * 3); }
.page-home .round-card:nth-child(5) { --stair: calc(var(--home-stair-step) * 4); }
.page-home .round-card:nth-child(6) { --stair: calc(var(--home-stair-step) * 5); }

.page-home .round-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
}

.page-home .round-card__num {
  margin: .3rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  line-height: .92;
  letter-spacing: -.03em;
  color: var(--chalk);
}

.page-home .round-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: .04em;
  color: var(--chalk-dim);
}

.page-home .round-card__results {
  display: grid;
  gap: .4rem;
  margin: .55rem 0 0;
  padding: .75rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-home .round-card__results li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
  font-family: var(--font-mono);
  font-size: var(--type-meta);
  letter-spacing: .04em;
  color: var(--chalk-dim);
}

.page-home .rt__score {
  font-weight: 700;
  font-size: .9375rem;
  color: var(--chalk);
}

.page-home .round-card__src {
  margin: auto 0 0;
  padding-top: .75rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .05em;
  color: var(--glow-blue-deep);
}

.page-home .home-track__range {
  margin: .5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--type-meta);
  letter-spacing: .06em;
  color: var(--chalk-dim);
}

/* ---------- 主场地图（全宽出血 + 斜切） ---------- */
.page-home .home-map {
  margin-top: clamp(2.5rem, 7vw, 5rem);
}

.page-home .home-map__stage {
  position: relative;
  overflow: hidden;
  background: var(--bg-night-turf);
  clip-path: polygon(0 2.5%, 100% 0, 100% 97.5%, 0 100%);
}

.page-home .home-map__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: .72;
}

.page-home .home-map__routes {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.page-home .home-map__routes path {
  fill: none;
  stroke: var(--glow-blue);
  stroke-width: 3;
  stroke-linecap: round;
  opacity: .8;
  stroke-dasharray: 16 14;
  animation: home-route-flow 16s linear infinite;
  animation-play-state: paused;
}

.page-home .home-map__routes circle {
  fill: var(--amber-flag);
  opacity: .9;
}

.page-home .home-map[data-reveal].is-in .home-map__routes path {
  animation-play-state: running;
}

@keyframes home-route-flow {
  to { stroke-dashoffset: -600; }
}

@media (min-width: 900px) {
  .page-home .home-map__img {
    max-height: 560px;
  }
}

.page-home .home-map__body {
  position: relative;
  z-index: 2;
  margin-top: -2.5rem;
}

@media (min-width: 900px) {
  .page-home .home-map__body {
    margin-top: -5rem;
  }
}

.page-home .home-map__panel {
  padding: clamp(1.4rem, 4vw, 2.5rem);
  border: 1px solid var(--line-soft);
  border-top-color: var(--glow-blue-deep);
  border-radius: var(--radius-lg);
  background: var(--turf-panel);
}

.page-home .home-map__panel h2 {
  margin: .6rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--type-h2);
  letter-spacing: -.015em;
  color: var(--chalk);
}

.page-home .home-map__text {
  margin: 1rem 0 0;
  max-width: 60ch;
  font-family: var(--font-body);
  line-height: 1.85;
  color: var(--chalk-dim);
}

.page-home .home-map__legend {
  display: grid;
  gap: .9rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-home .home-map__legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }
}

.page-home .home-map__legend li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .2rem .7rem;
  align-items: start;
  padding-top: .8rem;
  border-top: 1px solid var(--line-soft);
}

.page-home .legend__dot {
  grid-row: 1 / span 2;
  width: 10px;
  height: 10px;
  margin-top: .35rem;
  border-radius: 50%;
}

.page-home .legend__dot--venue {
  background: var(--amber-flag);
  box-shadow: 0 0 0 4px rgba(255, 180, 84, .18);
}

.page-home .legend__dot--gate {
  background: var(--glow-blue);
  box-shadow: 0 0 0 4px rgba(79, 227, 255, .16);
}

.page-home .legend__dot--transit {
  background: var(--glow-blue-deep);
  box-shadow: 0 0 0 4px rgba(28, 155, 184, .18);
}

.page-home .legend__key {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .9375rem;
  letter-spacing: .02em;
  color: var(--chalk);
}

.page-home .legend__val {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: var(--type-meta);
  line-height: 1.7;
  color: var(--chalk-dim);
}

.page-home .home-map__note {
  margin: 1.5rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--type-meta);
  letter-spacing: .05em;
  color: var(--glow-blue-deep);
}

/* ---------- 数据卡片组 ---------- */
.page-home .home-metrics {
  margin-top: clamp(3rem, 8vw, 6rem);
}

.page-home .home-metrics__lede {
  margin: .75rem 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  line-height: 1.85;
  color: var(--chalk-dim);
}

.page-home .home-metrics .filter-bar {
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-home .metric-deck {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.5rem);
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .metric-card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: rgba(14, 42, 34, .8);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: border-color .24s var(--ease);
}

.page-home .metric-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(79, 227, 255, 0), rgba(79, 227, 255, .16), rgba(79, 227, 255, 0));
  transform: translateX(-101%);
  transition: transform .34s var(--ease);
  pointer-events: none;
}

.page-home .metric-card:hover {
  border-color: var(--glow-blue-deep);
}

.page-home .metric-card:hover::after {
  transform: translateX(101%);
}

.page-home .metric-card--amber {
  border-color: rgba(255, 180, 84, .38);
}

.page-home .metric-card--amber:hover {
  border-color: var(--amber-flag);
}

.page-home .metric-card__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--type-meta);
  letter-spacing: .1em;
  color: var(--chalk-dim);
}

.page-home .metric-card__value {
  margin: .6rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6.5vw, 3.5rem);
  line-height: .95;
  letter-spacing: -.03em;
  color: var(--chalk);
}

.page-home .metric-card__value--amber {
  color: var(--amber-flag);
}

.page-home .metric-card__value--text {
  font-size: clamp(1.5rem, 4vw, 2rem);
  letter-spacing: -.01em;
}

.page-home .metric-card__value-unit {
  margin-left: .35rem;
  font-family: var(--font-mono);
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--chalk-dim);
}

.page-home .metric-card__unit {
  margin: .3rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--type-meta);
  letter-spacing: .08em;
  color: var(--glow-blue-deep);
}

.page-home .metric-card__desc {
  margin: .9rem 0 0;
  font-family: var(--font-body);
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--chalk-dim);
}

.page-home .metric-card__src {
  margin-top: 1rem;
  padding-top: .7rem;
  border-top: 1px solid var(--line-soft);
}

.page-home .metric-card__src summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--type-meta);
  letter-spacing: .06em;
  color: var(--glow-blue-deep);
  transition: color .2s var(--ease);
}

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

.page-home .metric-card__src summary::after {
  content: " +";
}

.page-home .metric-card__src[open] summary::after {
  content: " −";
}

.page-home .metric-card__src summary:hover {
  color: var(--glow-blue);
}

.page-home .metric-card__src p {
  margin: .6rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--type-meta);
  line-height: 1.75;
  color: var(--chalk-dim);
}

.page-home .metric-deck__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--turf-panel);
}

.page-home .metric-deck__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.page-home .metric-deck__figure figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: .9rem 1rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .05em;
  line-height: 1.6;
  color: var(--chalk-dim);
  background: linear-gradient(0deg, rgba(7, 19, 15, .94), rgba(7, 19, 15, 0));
}

@media (min-width: 1000px) {
  .page-home .metric-deck {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: clamp(1rem, 2vw, 1.6rem);
    align-items: start;
  }

  .page-home .metric-deck > .metric-card:nth-child(1) {
    grid-column: 1 / 5;
    grid-row: 1;
  }

  .page-home .metric-deck > .metric-card:nth-child(2) {
    grid-column: 5 / 9;
    grid-row: 1;
    margin-top: 2rem;
  }

  .page-home .metric-deck > .metric-card:nth-child(3) {
    grid-column: 1 / 5;
    grid-row: 2;
    margin-top: -1.25rem;
  }

  .page-home .metric-deck > .metric-card:nth-child(4) {
    grid-column: 5 / 9;
    grid-row: 2;
    margin-top: 1rem;
  }

  .page-home .metric-deck > .metric-card:nth-child(5) {
    grid-column: 1 / 9;
    grid-row: 3;
  }

  .page-home .metric-deck > .metric-deck__figure {
    grid-column: 9 / 13;
    grid-row: 1 / 4;
    align-self: stretch;
  }

  .page-home .metric-deck__figure img {
    height: 100%;
    aspect-ratio: auto;
    min-height: 420px;
  }
}

/* ---------- 口径说明 ---------- */
.page-home .home-caliber {
  margin-top: clamp(3rem, 8vw, 6rem);
}

.page-home .home-caliber__stage {
  position: relative;
  overflow: hidden;
  background: var(--bg-night-turf);
  clip-path: polygon(0 0, 100% 4%, 100% 100%, 0 96%);
}

.page-home .home-caliber__stage img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  opacity: .62;
}

.page-home .home-caliber__body {
  position: relative;
  z-index: 2;
  margin-top: -3rem;
}

@media (min-width: 900px) {
  .page-home .home-caliber__body {
    margin-top: -6rem;
  }
}

.page-home .home-caliber__panel {
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border-radius: var(--radius-lg);
}

.page-home .home-caliber__panel .eyebrow {
  color: var(--glow-blue-deep);
}

.page-home .home-caliber__panel h2 {
  margin: .6rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--type-h2);
  letter-spacing: -.015em;
  color: var(--ink-solid);
}

.page-home .home-caliber__panel p {
  margin: 1rem 0 0;
  max-width: 66ch;
  font-family: var(--font-body);
  line-height: 1.85;
  color: var(--ink-solid);
}

.page-home .home-caliber__links {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.6rem;
}

.page-home .home-caliber__links .btn--ghost {
  border-color: rgba(11, 31, 25, .32);
  color: var(--ink-solid);
}

.page-home .home-caliber__links .btn--ghost:hover,
.page-home .home-caliber__links .btn--ghost:focus-visible {
  border-color: var(--glow-blue-deep);
  color: var(--glow-blue-deep);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-home .home-map__routes path {
    animation: none;
  }

  .page-home .metric-card::after {
    display: none;
  }

  .page-home .round-card {
    transition: none;
  }

  .page-home .round-card:hover,
  .page-home .round-card:focus-within {
    transform: translateY(var(--stair, 0px));
  }
}
<<<END>>>