.page-home {
  --home-gap: clamp(20px, 3.2vw, 40px);
  --home-line: rgba(143, 163, 184, 0.34);
  overflow-x: clip;
  color: var(--sand);
}

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

.page-home .section {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-home a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-home .hero {
  padding-block: clamp(28px, 4.5vw, 56px) clamp(32px, 5vw, 72px);
  background:
    radial-gradient(120% 80% at 82% 8%, rgba(45, 226, 230, 0.16), transparent 58%),
    radial-gradient(90% 70% at 8% 96%, rgba(255, 107, 90, 0.12), transparent 62%),
    linear-gradient(180deg, var(--deep-night) 0%, var(--deep-ink) 100%);
  border-bottom: 2px solid var(--home-line);
}

.page-home .hero__inner {
  display: grid;
  gap: var(--home-gap);
  align-items: center;
}

.page-home .breadcrumb__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-home .hero__eyebrow {
  margin: 0 0 14px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon-cyan);
}

.page-home .hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 6.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--sand);
  text-wrap: balance;
}

.page-home .hero__lead {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: clamp(1rem, 1.15vw, 1.14rem);
  line-height: 1.85;
  color: rgba(244, 247, 251, 0.86);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-home .hero__status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 24px 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-home .hero__status-dot {
  width: 9px;
  height: 9px;
  background: var(--neon-green);
  box-shadow: 0 0 0 4px rgba(110, 243, 165, 0.18);
  flex: none;
}

.page-home .hero__visual {
  position: relative;
  border: 2px solid var(--hairline-strong);
  box-shadow: var(--shadow-hard);
  background: var(--deep-card);
  isolation: isolate;
}

.page-home .hero__visual > img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.04);
}

.page-home .cat-ring {
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: clamp(140px, 34vw, 206px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  background: rgba(2, 8, 18, 0.82);
  border: 2px solid var(--neon-cyan);
  box-shadow: 0 0 26px var(--glow-cyan);
}

.page-home .cat-ring::before {
  content: "";
  position: absolute;
  width: 66%;
  aspect-ratio: 1;
  border: 1px dashed rgba(45, 226, 230, 0.5);
  border-radius: 50%;
}

.page-home .cat-ring__node {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 15px;
  height: 15px;
  margin: -7.5px 0 0 -7.5px;
  background: var(--node-color, var(--neon-cyan));
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  transform: rotate(calc(var(--a) * 60deg)) translateY(-64px) rotate(calc(var(--a) * -60deg));
}

.page-home .cat-ring__node:nth-child(1) { --a: 0; --node-color: var(--neon-coral); }
.page-home .cat-ring__node:nth-child(2) { --a: 1; --node-color: var(--neon-cyan); }
.page-home .cat-ring__node:nth-child(3) { --a: 2; --node-color: var(--neon-violet); }
.page-home .cat-ring__node:nth-child(4) { --a: 3; --node-color: var(--neon-green); }
.page-home .cat-ring__node:nth-child(5) { --a: 4; --node-color: var(--neon-amber); }
.page-home .cat-ring__node:nth-child(6) { --a: 5; --node-color: var(--mist); }

.page-home .cat-ring__core {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  line-height: 1;
  color: var(--neon-cyan);
  font-variant-numeric: tabular-nums;
}

/* ---------- 分类带 ---------- */
.page-home .cat-intro {
  display: grid;
  gap: 24px;
  margin-bottom: 32px;
}

.page-home .cat-intro__figure {
  border: 2px solid var(--home-line);
  background: var(--deep-card);
  box-shadow: var(--shadow-hard);
}

.page-home .cat-intro__figure img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-home .cat-board {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 6px 0 18px;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--neon-cyan) rgba(11, 36, 71, 0.6);
}

.page-home .cat-card {
  --cat-color: var(--neon-cyan);
  position: relative;
  flex: 0 0 auto;
  width: min(76vw, 252px);
  scroll-snap-align: start;
  display: grid;
  gap: 8px;
  padding: 22px 20px 20px;
  text-decoration: none;
  background: var(--deep-card);
  border: 2px solid var(--home-line);
  border-top: 6px solid var(--cat-color);
  transition: transform 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.page-home .cat-card:hover,
.page-home .cat-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--neon-cyan);
  outline: none;
}

.page-home .cat-card:focus-visible {
  box-shadow: 0 0 0 3px var(--glow-cyan);
}

.page-home .cat-card--strategy { --cat-color: var(--neon-coral); }
.page-home .cat-card--puzzle { --cat-color: var(--neon-cyan); }
.page-home .cat-card--action { --cat-color: var(--neon-violet); }
.page-home .cat-card--sim { --cat-color: var(--neon-green); }
.page-home .cat-card--table { --cat-color: var(--neon-amber); }
.page-home .cat-card--race { --cat-color: var(--mist); }

.page-home .cat-card__num {
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-home .cat-card__dot {
  width: 12px;
  height: 12px;
  background: var(--cat-color);
}

.page-home .cat-card__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
}

.page-home .cat-card__tags {
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(244, 247, 251, 0.76);
}

.page-home .cat-card__go {
  margin-top: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cat-color);
}

.page-home .cat-note {
  margin: 8px 0 0;
  max-width: 72ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 三步路径 ---------- */
.page-home .path {
  position: relative;
  background: linear-gradient(180deg, var(--deep-ink), var(--deep-night));
  border-block: 2px solid var(--home-line);
  isolation: isolate;
  overflow: hidden;
}

.page-home .path__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.16;
}

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

.page-home .path-grid {
  display: grid;
  gap: 18px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-home .path-step {
  padding: 26px 22px;
  background: rgba(11, 36, 71, 0.86);
  border: 2px solid var(--home-line);
  box-shadow: 5px 5px 0 rgba(2, 8, 18, 0.75);
}

.page-home .path-step__num {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 8px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--deep-ink);
  background: var(--neon-cyan);
}

.page-home .path-step--two .path-step__num { background: var(--neon-coral); }
.page-home .path-step--three .path-step__num { background: var(--neon-violet); }

.page-home .path-step__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.25rem;
}

.page-home .path-step p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(244, 247, 251, 0.82);
}

/* ---------- 当季更新 ---------- */
.page-home .season__inner {
  display: grid;
  gap: 28px;
}

.page-home .season__media {
  position: relative;
  border: 2px solid var(--hairline-strong);
  box-shadow: var(--shadow-hard);
  background: var(--deep-card);
}

.page-home .season__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .season__stamp {
  position: absolute;
  left: 14px;
  bottom: 14px;
  margin: 0;
  padding: 7px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--deep-ink);
  background: var(--neon-amber);
}

.page-home .season__list {
  display: grid;
  gap: 12px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.page-home .season__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  padding: 14px 16px;
  background: var(--deep-card);
  border-left: 4px solid var(--neon-cyan);
}

.page-home .season__list .tag {
  grid-row: span 2;
  align-self: start;
}

.page-home .season__item-title {
  font-weight: 700;
  font-size: 1rem;
}

.page-home .season__item-desc {
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(244, 247, 251, 0.76);
}

.page-home .season__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-home .season__hint {
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--mist);
  max-width: 34ch;
}

.page-home .season__privacy {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-home .season__privacy a,
.page-home .help-foot a,
.page-home .stats__links a {
  color: var(--neon-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 帮助 ---------- */
.page-home .help {
  background: var(--deep-ink);
  border-block: 2px solid var(--home-line);
}

.page-home .help-grid {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-home .help-card {
  display: grid;
  gap: 8px;
  padding: 22px 20px;
  text-decoration: none;
  background: var(--deep-card);
  border: 2px solid var(--home-line);
  transition: border-color 180ms var(--ease-out), transform 180ms var(--ease-out);
}

.page-home .help-card:hover,
.page-home .help-card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--neon-violet);
  outline: none;
}

.page-home .help-card__kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon-violet);
}

.page-home .help-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.14rem;
  line-height: 1.35;
}

.page-home .help-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(244, 247, 251, 0.78);
}

.page-home .help-foot {
  margin: 24px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 数据 ---------- */
.page-home .stat-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 30px 0 0;
  background: var(--home-line);
  border: 2px solid var(--home-line);
}

.page-home .stat {
  padding: 20px 16px;
  background: var(--deep-night);
}

.page-home .stat dt {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-home .stat dd {
  margin: 8px 0 0;
}

.page-home .stat__num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5vw, 2.9rem);
  line-height: 1;
  color: var(--neon-cyan);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.page-home .stat:nth-child(2) .stat__num { color: var(--neon-coral); }
.page-home .stat:nth-child(3) .stat__num { color: var(--neon-violet); }
.page-home .stat:nth-child(4) .stat__num { color: var(--neon-green); }
.page-home .stat:nth-child(5) .stat__num { color: var(--neon-amber); }
.page-home .stat:nth-child(6) .stat__num { color: var(--mist); }

.page-home .stat__unit {
  margin-left: 3px;
  font-size: 0.42em;
  letter-spacing: 0;
}

.page-home .stats__foot {
  display: grid;
  gap: 14px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 2px solid var(--home-line);
}

.page-home .stats__foot p {
  margin: 0;
  max-width: 70ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: rgba(244, 247, 251, 0.8);
}

.page-home .stats__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font-weight: 700;
  font-size: 0.9rem;
}

/* ---------- 桌面 ---------- */
@media (min-width: 880px) {
  .page-home .hero__inner {
    grid-template-columns: 1.04fr 0.96fr;
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-home .hero__visual {
    margin-top: 14px;
  }

  .page-home .cat-intro {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: 36px;
  }

  .page-home .cat-board {
    gap: 18px;
  }

  .page-home .cat-card {
    width: 236px;
  }

  .page-home .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-home .path-step--two {
    transform: translateY(34px);
  }

  .page-home .season__inner {
    grid-template-columns: 1.02fr 0.98fr;
    align-items: start;
    gap: 44px;
  }

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

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

  .page-home .stats__foot {
    grid-template-columns: 1fr auto;
    align-items: end;
  }
}

@media (min-width: 1180px) {
  .page-home .stat-row {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .cat-card,
  .page-home .help-card {
    transition: none;
  }
  .page-home .cat-card:hover,
  .page-home .cat-card:focus-visible,
  .page-home .help-card:hover,
  .page-home .help-card:focus-visible {
    transform: none;
  }
}