/* ============================================================
   乐天棋牌 · 首页专属样式（作用域 .page-home）
   ============================================================ */

.page-home {
  --home-rule: rgba(217, 164, 65, .38);
  --home-rule-soft: rgba(168, 201, 184, .22);
  --home-band-a: #D9A441;
  --home-band-b: #173F33;
  background: var(--ink);
  color: var(--text-on-dark);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-home .hero {
  position: relative;
  isolation: isolate;
  padding: clamp(104px, 24vw, 176px) 0 clamp(48px, 10vw, 96px);
  background: var(--ink-3);
  border-bottom: var(--line-strong) solid var(--black);
  overflow: hidden;
}

.page-home .hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.page-home .hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.6) contrast(1.06);
}
.page-home .hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 29, 23, .94) 0%, rgba(10, 29, 23, .88) 52%, rgba(10, 29, 23, .98) 100%);
}
@media (min-width: 940px) {
  .page-home .hero__bg::after {
    background: linear-gradient(102deg, rgba(10, 29, 23, .98) 0%, rgba(14, 42, 34, .9) 46%, rgba(14, 42, 34, .5) 100%);
  }
}

.page-home .hero__grid {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 7vw, 56px);
  align-items: end;
}
@media (min-width: 940px) {
  .page-home .hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, .92fr);
    gap: clamp(36px, 4.5vw, 80px);
  }
}

.page-home .hero__lead {
  position: relative;
  padding-top: clamp(20px, 5vw, 48px);
}

.page-home .hero__ghost {
  position: absolute;
  left: -.05em;
  top: -.16em;
  z-index: 0;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(3rem, 20vw, 11rem);
  line-height: .84;
  letter-spacing: .06em;
  white-space: nowrap;
  color: transparent;
  -webkit-text-stroke: 2px rgba(240, 215, 154, .26);
  pointer-events: none;
  user-select: none;
}

.page-home .hero__eyebrow,
.page-home .hero__title,
.page-home .hero__summary,
.page-home .hero__actions {
  position: relative;
  z-index: 1;
}

.page-home .hero__eyebrow {
  color: var(--gold);
  margin: 0 0 clamp(16px, 3vw, 26px);
}

.page-home .hero__title {
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(2.25rem, 9.4vw, var(--fs-64));
  line-height: 1.04;
  letter-spacing: -.015em;
  color: var(--near-white);
  margin: 0 0 clamp(18px, 3vw, 26px);
  text-wrap: balance;
}
@media (min-width: 940px) {
  .page-home .hero__title {
    font-size: clamp(3.4rem, 6.4vw, var(--fs-104));
  }
}
.page-home .hero__title em {
  font-style: normal;
  position: relative;
  color: var(--gold-2);
  white-space: nowrap;
}
.page-home .hero__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -.08em;
  height: 2px;
  background: var(--gold);
}

.page-home .hero__summary {
  font-size: var(--fs-17);
  line-height: 1.75;
  color: var(--text-on-dark);
  max-width: 56ch;
  margin: 0 0 14px;
}
.page-home .hero__summary--sub {
  color: var(--text-mute-dark);
  font-size: var(--fs-14);
  margin-bottom: clamp(22px, 4vw, 34px);
}

.page-home .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 14px;
}

/* ---------- 首屏索引浮岛 ---------- */

.page-home .hero__index {
  border: var(--line-strong) solid var(--home-rule);
  border-radius: var(--radius-card);
  background: rgba(23, 63, 51, .74);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 3vw, 26px) clamp(14px, 2.4vw, 22px);
}

.page-home .index-cap {
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: .18em;
  color: var(--gold);
  margin: 0 0 10px;
  padding-left: 12px;
}
.page-home .index-cap--sub {
  margin-top: 18px;
  color: var(--jade);
}

.page-home .idx-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-home .idx {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "n t"
    "n d";
  column-gap: 14px;
  align-items: baseline;
  padding: 9px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text-on-dark);
  transition: background var(--dur-1) var(--ease), transform var(--dur-1) var(--ease);
}
.page-home .idx:hover,
.page-home .idx:focus-visible {
  background: rgba(217, 164, 65, .16);
  transform: translateX(3px);
}
.page-home .idx:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

.page-home .idx__n {
  grid-area: n;
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--gold);
  line-height: 1.6;
}
.page-home .idx__t {
  grid-area: t;
  font-size: var(--fs-17);
  font-weight: 500;
  line-height: 1.4;
}
.page-home .idx__d {
  grid-area: d;
  font-size: var(--fs-12);
  color: var(--text-mute-dark);
  line-height: 1.55;
}

/* ---------- 章节通用 ---------- */

.page-home .band {
  height: 18px;
  border-top: var(--line-strong) solid var(--black);
  border-bottom: var(--line-strong) solid var(--black);
  background: repeating-linear-gradient(135deg, var(--home-band-a) 0 14px, var(--home-band-b) 14px 28px);
}

.page-home .chapter {
  position: relative;
  padding: clamp(52px, 9vw, 112px) 0;
}

.page-home .chapter__head {
  max-width: 780px;
  margin-bottom: clamp(28px, 5vw, 52px);
}

.page-home .eyebrow {
  font-family: var(--mono);
  font-size: var(--fs-12);
  letter-spacing: .18em;
  margin: 0;
  color: var(--gold);
  text-transform: uppercase;
}

.page-home .section-title {
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(1.6rem, 5.2vw, var(--fs-40));
  line-height: 1.16;
  letter-spacing: -.012em;
  margin: 12px 0 0;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
  max-width: 100%;
}

.page-home .chapter__p {
  font-size: var(--fs-17);
  line-height: 1.78;
  max-width: 64ch;
  margin: 18px 0 0;
}
.page-home .chapter__p--tight {
  font-size: var(--fs-14);
  color: var(--text-mute-dark);
}

.page-home .chapter__cta {
  margin: clamp(24px, 4vw, 36px) 0 0;
}

/* 浅色分区 */

.page-home .chapter--light {
  background: var(--paper);
  color: var(--text-on-light);
}
.page-home .chapter--light .section-title { color: var(--black); }
.page-home .chapter--light .eyebrow { color: var(--moss); }
.page-home .chapter--light .chapter__p { color: var(--text-mute-light); }

/* 深色分区 */

.page-home .chapter--dark {
  background: var(--ink);
  color: var(--text-on-dark);
}
.page-home .chapter--dark .chapter__p { color: var(--text-mute-dark); }

.page-home .chapter--deep {
  background: var(--ink-2);
  color: var(--text-on-dark);
}
.page-home .chapter--deep .chapter__p { color: var(--text-mute-dark); }

.page-home .chapter--archive {
  background-color: var(--ink-3);
  background-image:
    repeating-linear-gradient(0deg, rgba(168, 201, 184, .055) 0 1px, transparent 1px 58px),
    repeating-linear-gradient(90deg, rgba(168, 201, 184, .055) 0 1px, transparent 1px 58px);
  color: var(--text-on-dark);
}
.page-home .chapter--archive .chapter__p { color: var(--text-mute-dark); }

/* ---------- 图片容器 ---------- */

.page-home .img-frame {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border: var(--line-strong) solid var(--black);
  border-radius: var(--radius-card);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}
.page-home .img-frame--3x4 { aspect-ratio: 3 / 4; }
.page-home .img-frame--3x2 { aspect-ratio: 3 / 2; }

.page-home .img-frame img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-home .img-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  margin: 0;
  padding: 26px 16px 12px;
  font-size: var(--fs-12);
  line-height: 1.55;
  color: var(--near-white);
  background: linear-gradient(180deg, rgba(10, 29, 23, 0) 0%, rgba(10, 29, 23, .88) 62%);
}

/* ---------- 01 十分钟 ---------- */

.page-home .chapter__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 56px);
  align-items: start;
}
@media (min-width: 900px) {
  .page-home .chapter__split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }
}

.page-home .steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: step;
}

.page-home .steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 18px 20px;
  border: var(--line-thin) solid rgba(30, 31, 29, .18);
  border-left: 6px solid var(--moss);
  border-radius: 12px;
  background: var(--near-white);
  transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
.page-home .steps__item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hard-inv);
}

.page-home .steps__n {
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--moss);
  padding-top: 2px;
  letter-spacing: .06em;
}

.page-home .steps__t {
  font-family: var(--serif);
  font-size: var(--fs-21);
  font-weight: 700;
  line-height: 1.35;
  color: var(--black);
  margin: 0 0 6px;
}

.page-home .steps__d {
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--text-mute-light);
  margin: 0;
}

/* ---------- 02 房间人数 ---------- */

.page-home .room-ladder {
  margin: 0 0 clamp(30px, 5vw, 46px);
  padding: clamp(16px, 3vw, 26px) clamp(14px, 3vw, 30px) clamp(12px, 2vw, 20px);
  border: var(--line-strong) solid var(--home-rule);
  border-radius: var(--radius-card);
  background: rgba(23, 63, 51, .55);
  box-shadow: var(--shadow-hard);
}

.page-home .room-ladder__svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 780px;
  margin: 0 auto;
}

.page-home .room-ladder__cap {
  margin: 10px 0 0;
  text-align: center;
  font-size: var(--fs-12);
  color: var(--text-mute-dark);
  line-height: 1.6;
}

.page-home .room-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 48px);
  align-items: start;
}
@media (min-width: 940px) {
  .page-home .room-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

.page-home .room-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-home .room-tab {
  font-family: var(--mono);
  font-size: var(--fs-14);
  letter-spacing: .02em;
  padding: 10px 16px;
  border: var(--line-thin) solid var(--home-rule-soft);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, .03);
  color: var(--text-on-dark);
  cursor: pointer;
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}
.page-home .room-tab:hover {
  border-color: var(--gold);
  color: var(--gold-2);
}
.page-home .room-tab[aria-selected="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
  font-weight: 700;
}
.page-home .room-tab:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.page-home .room-panel {
  border: var(--line-strong) solid var(--black);
  border-radius: var(--radius-card);
  background: var(--paper);
  color: var(--text-on-light);
  padding: clamp(20px, 3vw, 30px);
  box-shadow: var(--shadow-hard);
}
.page-home .room-panel[hidden] {
  display: none;
}

.page-home .room-panel__lead {
  font-family: var(--serif);
  font-size: var(--fs-21);
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 12px;
  color: var(--black);
}

.page-home .room-panel__use {
  font-size: var(--fs-14);
  line-height: 1.72;
  margin: 0;
  padding-left: 14px;
  border-left: 4px solid var(--cinnabar);
  color: var(--text-mute-light);
}

.page-home .room-side {
  display: grid;
  gap: 18px;
}

.page-home .room-side__note {
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--text-mute-dark);
  margin: 0;
}
.page-home .room-side__note a {
  color: var(--gold-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-home .room-side__note a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 03 段位与规则 ---------- */

.page-home .tier-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 26px);
}
@media (min-width: 720px) {
  .page-home .tier-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-home .tier-card:nth-child(2) {
    margin-top: 26px;
  }
  .page-home .tier-card:nth-child(3) {
    margin-top: 52px;
  }
}

.page-home .tier-card {
  position: relative;
  padding: clamp(22px, 3vw, 30px) clamp(20px, 2.6vw, 28px);
  border: var(--line-strong) solid var(--black);
  border-radius: var(--radius-card);
  background: var(--near-white);
  box-shadow: var(--shadow-hard-inv);
  transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
.page-home .tier-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard-lg);
}

.page-home .tier-card__n {
  display: inline-block;
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: var(--ink);
  background: var(--gold);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.page-home .tier-card__t {
  font-family: var(--serif);
  font-size: var(--fs-21);
  font-weight: 700;
  line-height: 1.35;
  color: var(--black);
  margin: 0 0 10px;
}

.page-home .tier-card__d {
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--text-mute-light);
  margin: 0;
}

.page-home .tier-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 14px;
  margin-top: clamp(30px, 5vw, 48px);
}

/* ---------- 04 本季版面 ---------- */

.page-home .path-switch {
  border: var(--line-strong) solid var(--black);
  border-radius: var(--radius-card);
  background: var(--paper);
  color: var(--text-on-light);
  padding: clamp(20px, 3vw, 32px);
  box-shadow: var(--shadow-hard);
}

.page-home .path-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-home .path-tab {
  font-size: var(--fs-14);
  font-weight: 500;
  padding: 10px 18px;
  border: var(--line-thin) solid rgba(30, 31, 29, .24);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-mute-light);
  cursor: pointer;
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}
.page-home .path-tab:hover {
  border-color: var(--ink);
  color: var(--ink);
}
.page-home .path-tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--gold-2);
}
.page-home .path-tab:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}

.page-home .path-panel[hidden] {
  display: none;
}

.page-home .path-panel__count {
  font-size: var(--fs-28);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cinnabar);
  margin: 0 0 16px;
}

.page-home .path-chain {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  counter-reset: pc;
}
.page-home .path-chain li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-14);
  line-height: 1.5;
  padding: 8px 16px;
  border: var(--line-thin) solid rgba(30, 31, 29, .2);
  border-radius: var(--radius-pill);
  background: var(--paper);
  color: var(--black);
}
.page-home .path-chain li::before {
  counter-increment: pc;
  content: counter(pc, decimal-leading-zero);
  font-family: var(--mono);
  font-size: var(--fs-12);
  color: var(--moss);
}

.page-home .path-panel__note {
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--text-mute-light);
  margin: 0;
}

/* ---------- 05 旧版资料 ---------- */

.page-home .archive-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 54px);
  align-items: center;
}
@media (min-width: 900px) {
  .page-home .archive-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }
}

.page-home .archive-kinds {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-home .archive-kinds li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--text-on-dark);
  padding-bottom: 12px;
  border-bottom: 2px dashed var(--home-rule-soft);
}
.page-home .archive-kinds .mono {
  color: var(--gold);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  padding-top: 3px;
}

.page-home .archive-text .btn {
  margin-top: clamp(20px, 3vw, 28px);
}

/* ---------- 06 高频问题 ---------- */

.page-home .chapter--help .chapter__head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-home .faq-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 3vw, 24px);
}
@media (min-width: 760px) {
  .page-home .faq-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-home .faq-card:nth-child(2) {
    margin-top: 22px;
  }
}

.page-home .faq-card {
  padding: clamp(20px, 3vw, 28px);
  border: var(--line-strong) solid var(--black);
  border-top: 8px solid var(--moss);
  border-radius: 12px;
  background: var(--near-white);
  box-shadow: var(--shadow-hard-inv);
  transition: transform var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
.page-home .faq-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hard-lg);
}

.page-home .faq-card__q {
  font-family: var(--serif);
  font-size: var(--fs-21);
  font-weight: 700;
  line-height: 1.45;
  color: var(--black);
  margin: 0 0 12px;
}

.page-home .faq-card__a {
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--text-mute-light);
  margin: 0;
}

.page-home .help-note {
  margin: clamp(28px, 5vw, 44px) 0 0;
  padding: 18px 20px;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--text-mute-light);
  background: rgba(46, 107, 84, .08);
  border-left: 6px solid var(--gold);
  border-radius: 0 12px 12px 0;
}
.page-home .help-note a {
  color: var(--ink);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-home .help-note a:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .idx,
  .page-home .steps__item,
  .page-home .tier-card,
  .page-home .faq-card,
  .page-home .room-tab,
  .page-home .path-tab {
    transition: none;
  }
  .page-home .idx:hover,
  .page-home .steps__item:hover,
  .page-home .tier-card:hover,
  .page-home .faq-card:hover {
    transform: none;
  }
}