.page-home {
  --home-hair: rgba(127, 179, 172, 0.32);
  --home-glass: rgba(244, 237, 224, 0.10);
  --home-shadow: 0 22px 48px rgba(7, 23, 15, 0.30);
  --home-soft: rgba(244, 237, 224, 0.74);
}

/* ============ 首屏封面 ============ */
.page-home .hero {
  position: relative;
  overflow: hidden;
  margin: calc(var(--gutter) * -0.5) calc(var(--gutter) * -1) 0;
  padding: clamp(26px, 5vw, 54px) var(--gutter) clamp(38px, 6vw, 78px);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background:
    radial-gradient(130% 96% at 88% -12%, rgba(217, 164, 65, 0.20), rgba(217, 164, 65, 0) 58%),
    radial-gradient(86% 78% at 2% 108%, rgba(127, 179, 172, 0.16), rgba(127, 179, 172, 0) 62%),
    linear-gradient(164deg, var(--ink) 0%, var(--felt) 56%, var(--ink-deep) 100%);
  color: var(--cream);
  isolation: isolate;
}

.page-home .hero::before {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -46%;
  width: min(620px, 88vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: repeating-radial-gradient(circle at center,
      rgba(244, 237, 224, 0.07) 0 1px,
      rgba(244, 237, 224, 0) 1px 28px);
  pointer-events: none;
  z-index: 0;
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-home .hero__eyebrow {
  color: var(--celadon);
}

.page-home .hero__title {
  margin: 10px 0 0;
  font-family: var(--serif);
  line-height: 0.92;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-home .hero__year {
  display: block;
  font-family: var(--serif);
  font-size: clamp(72px, 15vw, 164px);
  font-weight: 700;
  line-height: 0.82;
  letter-spacing: -0.03em;
  color: var(--cream);
  text-shadow: 0 10px 34px rgba(7, 23, 15, 0.55);
}

.page-home .hero__title-text {
  display: block;
  margin-top: 6px;
  font-family: var(--serif);
  font-size: clamp(30px, 5.6vw, 58px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--amber-light);
}

.page-home .hero__lead {
  margin: 20px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.85;
  color: var(--home-soft);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-home .hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 26px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--home-hair);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--celadon);
}

.page-home .hero__facts .mono {
  font-size: 17px;
  color: var(--cream);
}

.page-home .hero__aside {
  display: grid;
  gap: 18px;
  align-items: start;
}

.page-home .hero__index {
  padding: 18px 20px 20px;
  border: 1px solid rgba(244, 237, 224, 0.18);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, rgba(244, 237, 224, 0.15), rgba(244, 237, 224, 0.04));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-home .hero__index-title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--celadon);
}

.page-home .hero__index-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(244, 237, 224, 0.14);
}

.page-home .hero__index-list li {
  border-bottom: 1px solid rgba(244, 237, 224, 0.14);
}

.page-home .hero__index-list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  color: var(--cream);
  text-decoration: none;
  font-size: 15px;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-home .hero__index-list a .mono {
  flex: 0 0 26px;
  font-size: 12.5px;
  color: var(--amber-light);
}

.page-home .hero__index-list a:hover,
.page-home .hero__index-list a:focus-visible {
  color: var(--amber-light);
  padding-left: 6px;
}

.page-home .hero__badge {
  margin: 16px 0 0;
}

.page-home .hero__figure {
  margin: 0;
  border: 1px solid rgba(244, 237, 224, 0.16);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-home .hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

/* ============ 章节骨架与色带 ============ */
.page-home .section {
  padding-block: clamp(42px, 6vw, 84px);
}

.page-home .band {
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  color: var(--cream);
  background:
    radial-gradient(90% 70% at 100% 0%, rgba(217, 164, 65, 0.12), rgba(217, 164, 65, 0) 60%),
    linear-gradient(178deg, var(--ink) 0%, var(--ink-deep) 100%);
}

.page-home .section__head {
  max-width: 72ch;
}

.page-home .section__head--dark .section__lead {
  color: var(--home-soft);
}

/* ============ 02 四类路径 ============ */
.page-home .paths {
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--home-hair);
}

.page-home .path {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid var(--home-hair);
}

.page-home .path__num {
  margin: 2px 0 0;
  font-size: 13px;
  color: var(--celadon-deep);
}

.page-home .path__title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: 0.01em;
  color: var(--espresso);
}

.page-home .path__desc {
  margin: 8px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(34, 26, 20, 0.78);
}

.page-home .path__link {
  display: inline-block;
  margin-top: 10px;
  font-size: 14.5px;
  color: var(--amber-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(138, 100, 23, 0.4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-home .path__link:hover,
.page-home .path__link:focus-visible {
  color: var(--cinnabar);
  border-color: var(--cinnabar);
}

/* ============ 03 房间图例 ============ */
.page-home .rooms {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  align-items: start;
}

.page-home .room {
  padding: 20px 20px 18px;
  border: 1px solid rgba(244, 237, 224, 0.16);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(21, 58, 44, 0.92), rgba(14, 43, 34, 0.96));
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .room:hover {
  transform: translateY(-3px);
  border-color: var(--amber);
  box-shadow: var(--home-shadow);
}

.page-home .room__code {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--celadon);
}

.page-home .room__name {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-size: 21px;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-home .room__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 237, 224, 0.76);
}

.page-home .room__meta {
  margin: 14px 0 0;
}

/* ============ 04 四步上手 ============ */
.page-home .steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-home .step {
  position: relative;
  padding: 18px 18px 18px 24px;
  border-left: 2px solid var(--celadon);
  background: linear-gradient(100deg, rgba(127, 179, 172, 0.12), rgba(127, 179, 172, 0));
}

.page-home .step__num {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--celadon-deep);
}

.page-home .step__title {
  margin: 6px 0 0;
  font-family: var(--serif);
  font-size: 19px;
  color: var(--espresso);
}

.page-home .step__desc {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(34, 26, 20, 0.78);
}

.page-home .start__tail {
  margin: 24px 0 0;
}

/* ============ 05 固定规则专区 ============ */
.page-home .rules {
  margin-top: clamp(24px, 3vw, 38px);
}

.page-home .rules__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(34, 26, 20, 0.14);
}

.page-home .rules__item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(34, 26, 20, 0.14);
  align-items: baseline;
}

.page-home .rules__item .rule-num {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--celadon-deep);
}

.page-home .rules__name {
  font-family: var(--serif);
  font-size: 17px;
  color: var(--espresso);
}

.page-home .rules__note {
  grid-column: 2 / -1;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(34, 26, 20, 0.62);
}

.page-home .rules__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-home .rules__aside .figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
}

.page-home .rules__card {
  padding: 20px;
}

.page-home .rules__card-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--espresso);
}

.page-home .rules__card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(34, 26, 20, 0.78);
}

.page-home .rules__card-meta {
  font-size: 13px !important;
  color: var(--verdigris) !important;
}

/* ============ 06 段位 ============ */
.page-home .ranks__grid {
  margin-top: clamp(24px, 3vw, 38px);
}

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

.page-home .rank {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid rgba(244, 237, 224, 0.14);
  border-radius: var(--radius);
  background: rgba(21, 58, 44, 0.72);
}

.page-home .rank__badge {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--celadon);
  box-shadow: inset 0 0 0 3px rgba(127, 179, 172, 0.14);
  font-size: 16px;
  color: var(--amber-light);
}

.page-home .rank__name {
  margin: 0;
  font-family: var(--serif);
  font-size: 18px;
  color: var(--cream);
}

.page-home .rank__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 237, 224, 0.74);
}

.page-home .ranks__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-home .ranks__aside .figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-home .ranks__aside .figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-home .ranks__version {
  padding: 20px;
  border: 1px solid rgba(244, 237, 224, 0.16);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(244, 237, 224, 0.12), rgba(244, 237, 224, 0.03));
}

.page-home .ranks__version-label {
  margin: 0;
  color: var(--amber-light);
}

.page-home .ranks__version-name {
  margin: 8px 0 0;
  font-family: var(--serif);
  font-size: 20px;
  color: var(--cream);
}

.page-home .ranks__version-list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 237, 224, 0.76);
}

.page-home .ranks__version .btn {
  margin-top: 16px;
}

/* ============ 07 家庭同乐 ============ */
.page-home .device {
  margin-top: clamp(24px, 3vw, 38px);
}

.page-home .device__text {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-home .device__facts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  border-top: 1px solid rgba(34, 26, 20, 0.16);
  border-bottom: 1px solid rgba(34, 26, 20, 0.16);
  padding-block: 16px;
}

.page-home .device__num {
  display: block;
  font-family: var(--serif);
  font-size: clamp(30px, 5vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--espresso);
}

.page-home .device__label {
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--verdigris);
}

.page-home .device__para {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(34, 26, 20, 0.8);
}

.page-home .device__actions {
  margin: 4px 0 0;
}

.page-home .device__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(34, 26, 20, 0.12);
}

.page-home .device__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ============ 08 收束 ============ */
.page-home .closing__inner {
  max-width: 68ch;
}

.page-home .closing__title {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 40px);
  color: var(--cream);
}

.page-home .closing__text {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--home-soft);
}

.page-home .closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

/* ============ 常驻回到玩法中心 ============ */
.page-home .dock {
  position: fixed;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--pill);
  border: 1px solid rgba(217, 164, 65, 0.6);
  background: rgba(14, 43, 34, 0.94);
  color: var(--cream);
  font-size: 13.5px;
  text-decoration: none;
  box-shadow: 0 14px 30px rgba(7, 23, 15, 0.36);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .dock__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
}

.page-home .dock:hover,
.page-home .dock:focus-visible {
  transform: translateY(-2px);
  border-color: var(--amber-light);
}

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

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

@media (min-width: 900px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    align-items: end;
  }

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

  .page-home .rooms {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-home .room:nth-child(3n - 1) {
    margin-top: 22px;
  }

  .page-home .room:nth-child(3n) {
    margin-top: 44px;
  }

  .page-home .steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    border-top: 1px solid var(--home-hair);
  }

  .page-home .step {
    border-left: none;
    border-top: 2px solid var(--celadon);
    margin-top: -1px;
    background: none;
    padding: 20px 18px 0 0;
  }

  .page-home .rules__item {
    grid-template-columns: 58px minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-home .rules__note {
    grid-column: 3 / 4;
    text-align: right;
  }

  .page-home .device {
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-home .hero__aside {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .room,
  .page-home .path__link,
  .page-home .hero__index-list a,
  .page-home .dock {
    transition: none;
  }

  .page-home .room:hover,
  .page-home .dock:hover {
    transform: none;
  }
}