.page-home {
  --home-block: clamp(52px, 8vw, 100px);
  --home-card-radius: 8px;
  background: var(--rice);
  color: var(--ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏：章节预览 ---------- */
.page-home .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--night);
  color: var(--paper);
  padding-top: calc(var(--header-h) + clamp(40px, 7vw, 88px));
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-home .hero::before {
  content: "";
  position: absolute;
  inset: -12% -8% 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(42% 50% at 84% 14%, rgba(200, 16, 46, 0.66), transparent 66%),
    radial-gradient(34% 46% at 4% 92%, rgba(15, 107, 92, 0.52), transparent 70%),
    radial-gradient(26% 34% at 50% -8%, rgba(123, 44, 191, 0.42), transparent 72%);
}

.page-home .hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.07;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(242, 210, 122, 0.7) 0 1px,
    transparent 1px 34px
  );
}

.page-home .hero-inner {
  display: grid;
  gap: clamp(28px, 4.6vw, 52px);
}

.page-home .hero-copy {
  max-width: 660px;
}

.page-home .hero .eyebrow {
  color: var(--gold-lite);
}

.page-home .display,
.page-home .hero h1 {
  font-family: var(--font-title);
  font-size: clamp(38px, 6.6vw, 68px);
  line-height: 1.04;
  letter-spacing: 0.01em;
  margin: 14px 0 0;
  color: var(--paper);
}

.page-home .hero .lede {
  margin: 20px 0 0;
  max-width: 36em;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.88;
  color: rgba(255, 253, 247, 0.86);
}

.page-home .hero-actions {
  margin-top: clamp(24px, 3vw, 34px);
}

.page-home .hero-stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 16px clamp(24px, 4vw, 48px);
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding: clamp(18px, 2.4vw, 26px) 0 0;
  border-top: 1px solid var(--hairline-gold);
}

.page-home .hero-stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-home .hero-stats .stat-num {
  font-family: var(--font-num);
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1;
  color: var(--gold);
}

.page-home .hero-stats .stat-label {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(255, 253, 247, 0.68);
}

.page-home .hero-visual {
  position: relative;
  margin: 0;
}

.page-home .hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--home-card-radius);
  border: 1px solid var(--hairline-gold);
  box-shadow: var(--shadow-float);
}

.page-home .hero-badge {
  position: absolute;
  left: 16px;
  bottom: 16px;
  transform: rotate(-3deg);
  padding: 8px 14px;
  border-radius: 3px;
  background: var(--gold);
  color: var(--night);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  box-shadow: 0 14px 30px -16px rgba(11, 27, 43, 0.9);
}

.page-home .hero-index-wrap {
  margin-top: clamp(32px, 5vw, 60px);
}

.page-home .hero-index {
  padding-top: 18px;
  border-top: 1px solid var(--hairline-gold);
}

.page-home .hero-index ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 20px;
}

.page-home .hero-index a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
  color: rgba(255, 253, 247, 0.82);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-home .hero-index a:hover,
.page-home .hero-index a:focus-visible {
  color: var(--gold-lite);
  border-bottom-color: var(--gold);
}

.page-home .hero-index .idx {
  font-family: var(--font-num);
  font-size: 12px;
  color: var(--gold);
}

/* ---------- 通用章节骨架 ---------- */
.page-home .section {
  padding: var(--home-block) 0;
}

.page-home .section-head {
  max-width: 720px;
}

.page-home .eyebrow {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--jade);
}

.page-home .section-title {
  font-family: var(--font-title);
  font-size: clamp(27px, 4.2vw, 42px);
  line-height: 1.14;
  margin: 10px 0 0;
  color: var(--ink);
}

.page-home .section-note {
  margin: 14px 0 0;
  font-size: 17px;
  line-height: 1.82;
  color: var(--stone);
}

/* ---------- 四类房间 ---------- */
.page-home .rooms {
  background: var(--rice);
}

.page-home .rooms-visual {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-home .rooms-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--home-card-radius);
  border: 1px solid var(--hairline);
}

.page-home .room-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-home .room-card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 30px) clamp(20px, 3vw, 30px) clamp(20px, 3vw, 26px) clamp(28px, 3.8vw, 38px);
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--home-card-radius);
  box-shadow: var(--shadow-paper);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.page-home .room-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--room-accent, var(--gold));
}

.page-home .room-card:hover,
.page-home .room-card:focus-within {
  transform: translateY(-4px);
  box-shadow: var(--shadow-float);
}

.page-home .room-card--practice { --room-accent: var(--jade); }
.page-home .room-card--play { --room-accent: var(--red); }
.page-home .room-card--replay { --room-accent: var(--gold); }
.page-home .room-card--return { --room-accent: var(--night-2); }

.page-home .room-no {
  position: absolute;
  right: 14px;
  top: 6px;
  font-family: var(--font-num);
  font-size: 58px;
  font-weight: 700;
  line-height: 1;
  color: rgba(26, 26, 26, 0.06);
  pointer-events: none;
}

.page-home .room-card h3 {
  margin: 16px 0 0;
  font-family: var(--font-title);
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.3;
  color: var(--ink);
}

.page-home .room-for {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

.page-home .room-steps {
  list-style: none;
  margin: 16px 0 0;
  padding: 14px 0 0;
  border-top: 1px dashed var(--hairline);
  display: grid;
  gap: 9px;
}

.page-home .room-steps li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink);
}

.page-home .room-steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  transform: rotate(45deg);
  background: var(--room-accent, var(--gold));
}

/* ---------- 回放筛选 ---------- */
.page-home .replay-band {
  position: relative;
  overflow: hidden;
  background: var(--red);
  color: var(--paper);
}

.page-home .replay-band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(42% 62% at 90% 0%, rgba(212, 160, 23, 0.38), transparent 70%),
    radial-gradient(38% 56% at 2% 100%, rgba(11, 27, 43, 0.52), transparent 72%);
}

.page-home .replay-band > .shell {
  position: relative;
}

.page-home .replay-band .eyebrow {
  color: var(--gold-lite);
}

.page-home .replay-band .section-title {
  color: var(--paper);
}

.page-home .replay-band .section-note {
  color: rgba(255, 253, 247, 0.86);
}

.page-home .replay-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-home .replay-filters .chip {
  background: rgba(255, 253, 247, 0.12);
  color: var(--paper);
  border: 1px solid rgba(255, 253, 247, 0.42);
}

.page-home .replay-filters .chip:hover,
.page-home .replay-filters .chip:focus-visible {
  background: rgba(255, 253, 247, 0.22);
}

.page-home .replay-filters .chip[aria-pressed="true"] {
  background: var(--gold);
  color: var(--night);
  border-color: var(--gold);
}

.page-home .rail-visual {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-home .rail-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--home-card-radius);
  border: 1px solid rgba(255, 253, 247, 0.28);
}

.page-home .replay-rail {
  list-style: none;
  display: flex;
  gap: 14px;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 6px 2px 18px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-home .replay-rail::-webkit-scrollbar {
  height: 8px;
}

.page-home .replay-rail::-webkit-scrollbar-track {
  background: rgba(11, 27, 43, 0.28);
  border-radius: 4px;
}

.page-home .replay-rail::-webkit-scrollbar-thumb {
  background: rgba(242, 210, 122, 0.72);
  border-radius: 4px;
}

.page-home .replay-card {
  flex: 0 0 min(76vw, 268px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 18px 18px 20px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid rgba(26, 26, 26, 0.1);
  border-radius: var(--home-card-radius);
  box-shadow: 0 24px 48px -32px rgba(11, 27, 43, 0.95);
}

.page-home .replay-card::before {
  content: "";
  display: block;
  width: 44px;
  height: 4px;
  border-radius: 2px;
  background: var(--gold);
}

.page-home .replay-stamp {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--red);
}

.page-home .replay-title {
  margin: 0;
  font-family: var(--font-title);
  font-size: 19px;
  line-height: 1.32;
  color: var(--ink);
}

.page-home .replay-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  font-family: var(--font-num);
}

.page-home .replay-meta span {
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(15, 107, 92, 0.12);
  color: var(--jade);
}

.page-home .replay-result {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-home .rail-hint {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255, 253, 247, 0.82);
}

/* ---------- 中国测试版 ---------- */
.page-home .beta-band {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--paper);
}

.page-home .beta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(38% 54% at 92% 8%, rgba(15, 107, 92, 0.5), transparent 70%),
    radial-gradient(30% 44% at 6% 96%, rgba(200, 16, 46, 0.36), transparent 72%);
}

.page-home .beta-band > .shell {
  position: relative;
}

.page-home .beta-band .eyebrow {
  color: var(--gold-lite);
}

.page-home .beta-band .section-title {
  color: var(--paper);
}

.page-home .beta-band .section-note {
  color: rgba(255, 253, 247, 0.84);
}

.page-home .beta-grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-home .version-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-home .version-item {
  display: grid;
  gap: 6px 22px;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--hairline-gold);
}

.page-home .version-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-home .version-no {
  font-family: var(--font-num);
  font-size: 24px;
  line-height: 1.1;
  color: var(--gold);
}

.page-home .version-item h3 {
  margin: 0;
  font-family: var(--font-title);
  font-size: 20px;
  line-height: 1.36;
  color: var(--paper);
}

.page-home .version-item p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(255, 253, 247, 0.76);
}

.page-home .beta-side {
  padding: clamp(24px, 3.4vw, 34px);
  background: linear-gradient(165deg, var(--night-2), rgba(11, 27, 43, 0.9));
  border: 1px solid var(--hairline-gold);
  border-radius: var(--home-card-radius);
  box-shadow: var(--shadow-float);
}

.page-home .beta-side h3 {
  margin: 0;
  font-family: var(--font-title);
  font-size: 22px;
  line-height: 1.32;
  color: var(--gold-lite);
}

.page-home .beta-side p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 253, 247, 0.82);
}

.page-home .beta-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-home .beta-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.68;
  color: rgba(255, 253, 247, 0.9);
}

.page-home .beta-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 6px;
  height: 6px;
  transform: rotate(45deg);
  background: var(--gold);
}

.page-home .beta-side .btn {
  margin-top: 22px;
}

/* ---------- 新手起步 ---------- */
.page-home .start {
  background: var(--rice);
}

.page-home .start-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-top: clamp(28px, 4vw, 46px);
}

.page-home .step-list {
  counter-reset: step;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-home .step-list li {
  counter-increment: step;
  position: relative;
  padding: clamp(18px, 2.4vw, 22px) 20px clamp(18px, 2.4vw, 22px) 62px;
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--home-card-radius);
  box-shadow: var(--shadow-paper);
}

.page-home .step-list li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 20px;
  top: clamp(18px, 2.4vw, 22px);
  font-family: var(--font-num);
  font-size: 18px;
  line-height: 1;
  color: var(--red);
}

.page-home .step-list h3 {
  margin: 0;
  font-family: var(--font-title);
  font-size: 19px;
  line-height: 1.34;
  color: var(--ink);
}

.page-home .step-list p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--stone);
}

.page-home .rank-card {
  padding: clamp(22px, 3vw, 32px);
  background: var(--paper);
  border: 1px solid var(--hairline);
  border-radius: var(--home-card-radius);
  box-shadow: var(--shadow-paper);
}

.page-home .rank-card h3 {
  margin: 0;
  font-family: var(--font-title);
  font-size: clamp(20px, 2.4vw, 24px);
  line-height: 1.32;
  color: var(--ink);
}

.page-home .rank-track {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
}

.page-home .rank-track li {
  padding: 6px 12px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  background: rgba(212, 160, 23, 0.1);
  color: var(--red-deep);
  font-family: var(--font-num);
  font-size: 13px;
  line-height: 1.4;
}

.page-home .rank-visual {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
}

.page-home .rank-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--home-card-radius);
  border: 1px solid var(--hairline);
}

.page-home .rank-note {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--stone);
}

/* ---------- 牌局日志 ---------- */
.page-home .journal {
  background: var(--paper);
}

.page-home .journal-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(26px, 3.6vw, 40px);
}

.page-home .journal-card {
  position: relative;
  padding: clamp(20px, 2.6vw, 26px);
  background: var(--rice);
  border: 1px solid var(--hairline);
  border-radius: var(--home-card-radius);
  box-shadow: var(--shadow-paper);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-home .journal-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-float);
}

.page-home .journal-card h3 {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-size: 19px;
  line-height: 1.34;
  color: var(--ink);
}

.page-home .journal-card p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--stone);
}

.page-home .journal-cta {
  margin-top: clamp(24px, 3.4vw, 36px);
}

/* ---------- 找到我们 ---------- */
.page-home .contact-band {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--paper);
}

.page-home .contact-band::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(36% 52% at 8% 6%, rgba(200, 16, 46, 0.42), transparent 70%),
    radial-gradient(30% 46% at 96% 92%, rgba(15, 107, 92, 0.4), transparent 72%);
}

.page-home .contact-band > .shell {
  position: relative;
}

.page-home .contact-band .eyebrow {
  color: var(--gold-lite);
}

.page-home .contact-band .section-title {
  color: var(--paper);
}

.page-home .contact-band .section-note {
  color: rgba(255, 253, 247, 0.84);
}

.page-home .contact-panel {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-home .contact-intro .btn-row {
  margin-top: clamp(22px, 3vw, 30px);
}

.page-home .contact-list--home {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .contact-list--home .contact-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 14px;
  align-items: center;
  padding: 16px 18px;
  background: rgba(22, 58, 95, 0.5);
  border: 1px solid var(--hairline-gold);
  border-radius: var(--home-card-radius);
}

.page-home .contact-list--home .contact-key {
  grid-column: 1 / -1;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold-lite);
}

.page-home .contact-list--home .contact-val {
  font-size: 15px;
  line-height: 1.62;
  color: var(--paper);
  word-break: break-word;
}

.page-home .contact-list--home .copy-chip {
  white-space: nowrap;
}

.page-home .contact-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: clamp(30px, 4vw, 44px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--hairline-gold);
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(255, 253, 247, 0.72);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-home .room-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

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

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

@media (min-width: 920px) {
  .page-home .hero-inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: center;
    gap: clamp(32px, 5vw, 68px);
  }

  .page-home .beta-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-home .version-item {
    grid-template-columns: 78px minmax(0, 1fr);
    align-items: start;
  }

  .page-home .start-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-home .contact-panel {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }
}

@media (min-width: 1060px) {
  .page-home .hero-index ol {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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

  .page-home .replay-card {
    flex: 0 0 280px;
  }
}

@media (max-width: 480px) {
  .page-home .hero-stats {
    gap: 14px 22px;
  }

  .page-home .room-no {
    font-size: 44px;
  }

  .page-home .contact-list--home .contact-item {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .room-card,
  .page-home .journal-card {
    transition: none;
  }

  .page-home .room-card:hover,
  .page-home .room-card:focus-within,
  .page-home .journal-card:hover {
    transform: none;
  }

  .page-home .hero-index a {
    transition: none;
  }
}