.page-home {
  --home-cut: clamp(26px, 5vw, 54px);
  overflow-x: clip;
}

/* ============ 首屏 ============ */
.page-home .hero {
  position: relative;
  padding: clamp(24px, 5vw, 48px) 0 clamp(48px, 8vw, 96px);
}

.page-home .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 48px);
  align-items: start;
}

@media (min-width: 880px) {
  .page-home .hero-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 4vw, 68px);
  }
}

.page-home .hero-context {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 clamp(18px, 3vw, 30px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-home .hero-context::before {
  content: "";
  flex: none;
  width: 28px;
  height: 2px;
  background: var(--c-orange);
}

.page-home .hero-title {
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 4.4vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-home .hero-lede {
  margin: 0 0 clamp(24px, 4vw, 36px);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-home .hero-coords {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: clamp(16px, 2.6vw, 22px) 0 0;
  border-top: 1px solid var(--c-line);
  list-style: none;
}

.page-home .hero-coord {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-muted);
}

.page-home .hero-coord-key {
  font-weight: 600;
  color: var(--c-green-deep);
}

.page-home .hero-coord-key::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--c-cyan);
  vertical-align: middle;
}

.page-home .hero-stage {
  position: relative;
  display: grid;
  min-width: 0;
}

.page-home .hero-slab {
  position: relative;
  padding: clamp(24px, 3.6vw, 42px) clamp(22px, 3.6vw, 44px) clamp(50px, 7vw, 84px);
  background: linear-gradient(152deg, var(--c-ink) 0%, var(--c-ink-deep) 58%, var(--c-green-deep) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--home-cut)), 0 100%);
  color: var(--c-paper);
}

.page-home .hero-metric-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-home .hero-metric-tag::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-orange);
}

.page-home .hero-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: clamp(20px, 3.4vw, 44px);
}

.page-home .hero-stat {
  min-width: 0;
}

.page-home .hero-stat--lead {
  flex: 1 1 auto;
}

.page-home .hero-stat--lead .hero-stat-value {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(72px, 12vw, 148px);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -0.05em;
  color: var(--c-paper);
}

.page-home .hero-stat-unit {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 24px);
  color: var(--c-orange);
}

.page-home .hero-stat--side .hero-stat-value {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-green-pale);
}

.page-home .hero-stat-label {
  display: block;
  max-width: 15ch;
  font-family: var(--font-body);
  font-size: 12.5px;
  line-height: 1.55;
  color: rgba(220, 233, 223, .66);
}

.page-home .hero-figure {
  position: relative;
  z-index: 2;
  margin: calc(-1 * clamp(16px, 3vw, 34px)) 0 0 clamp(0px, 6%, 52px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--c-paper);
  box-shadow: var(--shadow-card);
}

.page-home .hero-figure img,
.page-home .tier-figure img,
.page-home .divide-figure img,
.page-home .next-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ============ 数据线索 ============ */
.page-home .threads {
  padding: clamp(56px, 9vw, 104px) 0;
}

.page-home .threads-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(32px, 5vw, 56px);
}

@media (min-width: 900px) {
  .page-home .threads-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }
}

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

.page-home .coord-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 30px);
  padding: clamp(20px, 2.8vw, 28px) 0;
  border-bottom: 1px solid var(--c-line);
  transition: border-color .28s ease, padding-left .28s ease;
}

.page-home .coord-item:hover {
  border-bottom-color: var(--c-orange);
  padding-left: 8px;
}

.page-home .coord-no {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--c-green);
}

.page-home .coord-title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-home .coord-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-home .threads-note {
  padding: clamp(22px, 3vw, 34px);
  background: var(--c-green-pale);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
}

.page-home .threads-note-title {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-size: clamp(17px, 1.7vw, 20px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-home .threads-note-text {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--c-muted);
}

.page-home .threads-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: clamp(18px, 2.6vw, 26px);
  padding-top: clamp(16px, 2.4vw, 22px);
  border-top: 1px solid rgba(199, 211, 203, .8);
}

/* ============ 赛季档位 ============ */
.page-home .tiers {
  padding: clamp(56px, 9vw, 104px) 0;
}

.page-home .tier-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
  margin-top: clamp(32px, 5vw, 56px);
}

@media (min-width: 900px) {
  .page-home .tier-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-home .tier-card--wide {
    grid-column: 1 / 8;
    aspect-ratio: 2 / 1;
    margin-left: calc(-1 * clamp(0px, 3.6vw, 46px));
  }

  .page-home .tier-figure {
    grid-column: 8 / 13;
    grid-row: 1 / 3;
    align-self: stretch;
    height: 100%;
  }

  .page-home .tier-card--square {
    grid-column: 1 / 4;
    aspect-ratio: 1 / 1;
  }

  .page-home .tier-card--close {
    grid-column: 4 / 8;
    aspect-ratio: 3 / 2;
  }
}

.page-home .tier-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(20px, 3vw, 30px);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  transition: border-color .28s ease, transform .28s ease, box-shadow .28s ease;
}

.page-home .tier-card:hover {
  border-color: var(--c-orange);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.page-home .tier-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-green);
}

.page-home .tier-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(17px, 1.6vw, 21px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--c-ink);
}

.page-home .tier-text {
  margin: auto 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--c-muted);
}

.page-home .tier-figure-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-orange);
}

.page-home .tier-figure-num span {
  margin-left: 6px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--c-muted);
}

.page-home .tier-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .tier-list--row {
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 10px;
}

@media (max-width: 899px) {
  .page-home .tier-list--row {
    grid-auto-flow: row;
  }
}

.page-home .tier-list li {
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-ink);
  background: var(--c-sand);
  border-left: 2px solid var(--c-cyan);
  border-radius: 8px;
  transition: border-left-color .25s ease, background-color .25s ease;
}

.page-home .tier-list li:hover {
  border-left-color: var(--c-orange);
  background: var(--c-green-pale);
}

.page-home .tier-figure {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--c-paper);
  box-shadow: var(--shadow-soft);
}

/* ============ 三个理由 ============ */
.page-home .reasons {
  padding: clamp(56px, 9vw, 104px) 0;
}

.page-home .reason-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: clamp(28px, 4.4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  overflow: hidden;
}

@media (min-width: 840px) {
  .page-home .reason-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .reason {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 34px);
  background: var(--c-paper);
  transition: background-color .28s ease;
}

.page-home .reason:hover {
  background: var(--c-sand);
}

.page-home .reason-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-orange);
}

.page-home .reason-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--c-ink);
}

.page-home .reason-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--c-muted);
}

/* ============ 草原与看台 ============ */
.page-home .divide {
  padding: clamp(56px, 9vw, 108px) 0;
}

.page-home .divide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}

@media (min-width: 880px) {
  .page-home .divide-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(40px, 5.5vw, 76px);
  }
}

.page-home .divide-figure {
  border: 1px solid rgba(199, 211, 203, .22);
  border-radius: var(--radius-card);
  overflow: hidden;
}

.page-home .divide-eyebrow {
  color: var(--c-cyan);
}

.page-home .divide-title {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-home .divide-copy p {
  margin: 0 0 clamp(16px, 2.4vw, 22px);
  font-size: 15.5px;
  line-height: 1.82;
  color: rgba(220, 233, 223, .78);
}

.page-home .divide-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  background: rgba(199, 211, 203, .18);
  border: 1px solid rgba(199, 211, 203, .18);
  border-radius: 12px;
  overflow: hidden;
}

.page-home .divide-fact {
  padding: 16px 18px;
  background: rgba(10, 23, 37, .72);
}

.page-home .divide-fact dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-cyan);
}

.page-home .divide-fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-paper);
}

/* ============ 下一步 ============ */
.page-home .next {
  padding: clamp(56px, 9vw, 104px) 0 clamp(72px, 10vw, 120px);
}

.page-home .next-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 52px);
  align-items: center;
}

@media (min-width: 880px) {
  .page-home .next-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 80px);
  }
}

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

.page-home .next-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-heading);
  font-size: 15px;
  text-decoration: none;
  transition: border-color .25s ease, background-color .25s ease, color .25s ease, transform .25s ease;
}

.page-home .next-pill:hover {
  border-color: var(--c-green);
  background: var(--c-green);
  color: var(--c-paper);
  transform: translateY(-2px);
}

.page-home .next-pill-no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-orange);
}

.page-home .next-pill:hover .next-pill-no {
  color: var(--c-sand);
}

.page-home .next-contact {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-home .next-contact a {
  color: var(--c-green-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  transition: border-color .25s ease, color .25s ease;
}

.page-home .next-contact a:hover {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-home .next-figure {
  border: 1px solid var(--c-line);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

/* ============ 返回顶部 ============ */
.page-home .to-top {
  position: fixed;
  right: clamp(16px, 3vw, 32px);
  bottom: clamp(16px, 3vw, 32px);
  z-index: 40;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(199, 211, 203, .4);
  border-radius: 50%;
  background: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: background-color .25s ease, transform .25s ease;
}

.page-home .to-top:hover {
  background: var(--c-orange);
  transform: translateY(-3px);
}

@media (prefers-reduced-motion: reduce) {
  .page-home .tier-card,
  .page-home .coord-item,
  .page-home .next-pill,
  .page-home .to-top,
  .page-home .reason {
    transition: none;
  }
}