.page-home {
  --home-amber-line: rgba(224, 169, 74, 0.34);
  --home-felt-soft: rgba(23, 69, 58, 0.72);
  --home-mist-line: rgba(154, 165, 160, 0.22);
  --home-ink-soft: #2F443C;
  --home-ink-mute: #5D7169;
}

/* ---------- 首屏：牌桌式分屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px) 0 clamp(40px, 7vw, 92px);
  background:
    radial-gradient(85% 65% at 84% 2%, rgba(224, 169, 74, 0.17), transparent 62%),
    radial-gradient(70% 60% at 4% 96%, rgba(79, 191, 166, 0.10), transparent 66%),
    linear-gradient(180deg, #0B0F0E 0%, #10261F 60%, #0B0F0E 100%);
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.5;
  background-image: repeating-linear-gradient(112deg, rgba(251, 247, 239, 0.05) 0 1px, transparent 1px 8px);
}

.page-home .home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "lead"
    "ladder"
    "visual";
  gap: clamp(24px, 4.5vw, 42px);
}

.page-home .home-hero__lead { grid-area: lead; min-width: 0; }
.page-home .home-hero__ladder { grid-area: ladder; min-width: 0; }
.page-home .home-hero__visual {
  grid-area: visual;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-home .home-hero__eyebrow {
  margin: 0 0 clamp(12px, 1.6vw, 18px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-home .home-hero__title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-home .home-hero__title-brand {
  display: block;
  font-size: clamp(52px, 12.5vw, 104px);
  color: var(--white);
  text-shadow: 0 0 48px rgba(224, 169, 74, 0.22);
}

.page-home .home-hero__title-sub {
  display: block;
  margin-top: 10px;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(19px, 4.2vw, 32px);
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--amber);
}

.page-home .home-hero__text {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 44ch;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.8;
  color: rgba(251, 247, 239, 0.78);
}

.page-home .home-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0;
}

.page-home .fact {
  padding-top: 8px;
  border-top: 1px solid var(--home-amber-line);
}

.page-home .fact__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-home .fact__val {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--amber);
}

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

.page-home .home-hero__ladder-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-home .ladder {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.page-home .ladder__item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--home-felt-soft);
  border-left: 2px solid var(--home-amber-line);
  font-size: 14px;
  color: var(--white);
}

.page-home .ladder__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-home .ladder__name {
  letter-spacing: 0.04em;
}

.page-home .home-hero__frame {
  aspect-ratio: 4 / 5;
  border: 1px solid rgba(224, 169, 74, 0.22);
}

.page-home .home-sync {
  padding: clamp(14px, 1.6vw, 18px) clamp(16px, 1.8vw, 20px);
  background: linear-gradient(125deg, rgba(79, 191, 166, 0.16), rgba(16, 38, 31, 0.85) 62%);
  border-left: 3px solid var(--jade);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-home .home-sync__title {
  margin: 0 0 6px;
  font-family: var(--font-cond);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
}

.page-home .home-sync__text {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(251, 247, 239, 0.72);
}

.page-home .home-sync__link {
  display: inline-block;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--jade);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 191, 166, 0.5);
}

.page-home .home-sync__link:hover,
.page-home .home-sync__link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* ---------- 新手指引五步 ---------- */
.page-home .home-steps__head {
  max-width: 62ch;
}

.page-home .home-steps__list {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  border-top: 1px solid var(--home-mist-line);
}

.page-home .home-steps__item {
  border-bottom: 1px solid var(--home-mist-line);
}

.page-home .step-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-areas:
    "no name icon"
    "no hint icon";
  align-items: center;
  gap: 4px 16px;
  width: 100%;
  padding: clamp(16px, 2vw, 22px) 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--white);
}

.page-home .step-head__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-home .step-head__name {
  grid-area: name;
  font-family: var(--font-cond);
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: color 120ms var(--ease);
}

.page-home .step-head__hint {
  grid-area: hint;
  font-size: 13px;
  color: var(--mist);
}

.page-home .step-head .expand__icon {
  grid-area: icon;
  color: var(--amber-dim);
}

.page-home .home-steps__item .expand[data-open] .step-head__name {
  color: var(--amber);
}

.page-home .home-steps__item .expand__inner {
  padding: 0 0 clamp(18px, 2.4vw, 26px) 34px;
  max-width: 60ch;
}

.page-home .home-steps__item .expand__inner p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(251, 247, 239, 0.76);
}

/* ---------- 六档段位卡组 ---------- */
.page-home .home-ranks__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-home .home-ranks__lead {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(251, 247, 239, 0.74);
}

.page-home .home-ranks__media {
  width: 100%;
  max-width: 300px;
  justify-self: start;
}

.page-home .home-ranks__rail {
  list-style: none;
  display: flex;
  gap: clamp(12px, 1.6vw, 18px);
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  padding: 0 0 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-home .rank-card {
  flex: 0 0 auto;
  width: clamp(228px, 72vw, 272px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 24px);
  scroll-snap-align: start;
  background: linear-gradient(160deg, rgba(23, 69, 58, 0.92), rgba(16, 38, 31, 0.95));
  border: 1px solid rgba(31, 94, 78, 0.85);
  transition: transform 120ms var(--ease), border-color 120ms var(--ease);
}

.page-home .rank-card:hover {
  transform: translateY(-3px);
  border-color: var(--amber-dim);
}

.page-home .rank-card__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-home .rank-card__badge {
  width: 46px;
  height: 46px;
  background: linear-gradient(150deg, var(--amber), var(--amber-dim));
  clip-path: polygon(50% 0, 100% 26%, 100% 74%, 50% 100%, 0 74%, 0 26%);
  opacity: 0.55;
}

.page-home .rank-card:nth-child(2) .rank-card__badge { opacity: 0.66; }
.page-home .rank-card:nth-child(3) .rank-card__badge { opacity: 0.77; }
.page-home .rank-card:nth-child(4) .rank-card__badge { opacity: 0.88; }
.page-home .rank-card:nth-child(5) .rank-card__badge { opacity: 0.96; }
.page-home .rank-card:nth-child(6) .rank-card__badge {
  opacity: 1;
  box-shadow: 0 0 20px rgba(224, 169, 74, 0.42);
}

.page-home .rank-card__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 26px);
  font-weight: 900;
  color: var(--white);
}

.page-home .rank-card__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--amber);
}

.page-home .rank-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(251, 247, 239, 0.7);
}

.page-home .home-ranks__note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 玩法中心速览 ---------- */
.page-home .home-rooms__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-home .home-rooms__lead {
  margin: 14px 0 20px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(251, 247, 239, 0.74);
}

.page-home .home-rooms__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
  padding: 0;
}

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

.page-home .home-rooms__list .data-list__val {
  font-family: var(--font-mono);
  color: var(--amber);
}

.page-home .home-rooms__media {
  margin: 0;
}

/* ---------- iOS 记录同步 ---------- */
.page-home .home-ios {
  color: var(--ink);
}

.page-home .home-ios .eyebrow {
  color: var(--amber-dim);
}

.page-home .home-ios__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
  align-items: center;
}

.page-home .home-ios__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  color: var(--ink);
}

.page-home .home-ios__lead {
  margin: 0 0 20px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--home-ink-soft);
}

.page-home .home-ios__list .data-list__row {
  border-color: rgba(16, 38, 31, 0.14);
}

.page-home .home-ios__list .data-list__key {
  color: var(--home-ink-mute);
}

.page-home .home-ios__list .data-list__val {
  font-family: var(--font-mono);
  color: var(--ink);
}

.page-home .home-ios__link {
  display: inline-block;
  margin-top: 18px;
  padding-bottom: 3px;
  font-family: var(--font-cond);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--amber);
}

.page-home .home-ios__link:hover,
.page-home .home-ios__link:focus-visible {
  color: var(--amber-dim);
  border-bottom-color: var(--amber-dim);
}

.page-home .home-ios__media {
  margin: 0;
  border: 1px solid rgba(16, 38, 31, 0.16);
}

/* ---------- 第 3 栏反馈 ---------- */
.page-home .home-feedback__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-home .home-feedback__flag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 8px 16px 8px 10px;
  background: linear-gradient(100deg, rgba(224, 169, 74, 0.2), rgba(224, 169, 74, 0.04));
  border-left: 3px solid var(--amber);
  font-family: var(--font-cond);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-home .home-feedback__flag-num {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
}

.page-home .home-feedback__lead {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(251, 247, 239, 0.74);
}

.page-home .home-feedback__panel {
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(160deg, rgba(23, 69, 58, 0.9), rgba(16, 38, 31, 0.95));
  border: 1px solid rgba(31, 94, 78, 0.9);
}

.page-home .home-feedback__sub {
  margin: 0 0 12px;
  font-family: var(--font-cond);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-home .home-feedback__need {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 14px;
}

.page-home .home-feedback__need li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  color: rgba(251, 247, 239, 0.78);
}

.page-home .home-feedback__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-home .home-feedback__cats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 26px;
  padding: 0;
}

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

.page-home #feedback-3rd:target {
  animation: home-feedback-pulse 1.6s var(--ease) 1;
}

@keyframes home-feedback-pulse {
  0% { box-shadow: inset 0 0 0 2px rgba(224, 169, 74, 0.85); }
  100% { box-shadow: inset 0 0 0 2px rgba(224, 169, 74, 0); }
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 960px) {
  .page-home .home-hero__grid {
    grid-template-columns: 176px minmax(0, 1.15fr) minmax(0, 1fr);
    grid-template-areas: "ladder lead visual";
    align-items: start;
    gap: clamp(28px, 3.4vw, 52px);
  }

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

  .page-home .ladder::before {
    content: "";
    position: absolute;
    left: 5px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: linear-gradient(180deg, rgba(224, 169, 74, 0.55), rgba(224, 169, 74, 0.08));
  }

  .page-home .ladder__item {
    position: relative;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    padding: 9px 0 9px 22px;
    background: none;
    border-left: 0;
  }

  .page-home .ladder__item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 11px;
    height: 11px;
    margin-top: -5.5px;
    border-radius: 50%;
    background: var(--obsidian);
    border: 1px solid var(--amber-dim);
  }

  .page-home .ladder__item:last-child::before {
    background: var(--amber);
    border-color: var(--amber);
    box-shadow: 0 0 12px rgba(224, 169, 74, 0.5);
  }

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

@media (min-width: 900px) {
  .page-home .home-ranks__head {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.8fr);
  }

  .page-home .home-ranks__media {
    justify-self: end;
    max-width: 320px;
  }

  .page-home .home-rooms__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-home .home-ios__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }

  .page-home .home-feedback__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }
}

@media (max-width: 520px) {
  .page-home .home-feedback__need {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-home .home-hero__title-brand {
    font-size: clamp(46px, 16vw, 62px);
  }
}