/* =========================================================
   会馆首页 · page-home
   ========================================================= */

.page-home {
  --home-pad: clamp(20px, 4.5vw, 72px);
  --home-rail: 104px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: clip;
}

.page-home .home-sec-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-size: var(--fs-7);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* ---------- 页面位置提示 ---------- */
.page-home .home-context {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 22px var(--home-pad) 16px;
  font-size: var(--fs-1);
  letter-spacing: 0.14em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.page-home .home-context__brand { color: var(--paper); }

.page-home .home-context__now { color: var(--gold-soft); }

.page-home .home-context__now::before {
  content: "/";
  margin-right: 12px;
  color: var(--line);
}

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

/* ---------- 首屏 ---------- */
.page-home .home-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(24px, 4vw, 48px) var(--home-pad) clamp(44px, 7vw, 96px);
  border-bottom: 1px solid var(--line);
}

.page-home .home-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.24;
  pointer-events: none;
}

.page-home .home-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(11, 27, 43, 0.30) 0%, rgba(11, 27, 43, 0.86) 56%, var(--ink) 100%);
  pointer-events: none;
}

.page-home .home-hero__inner {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
}

.page-home .home-hero__body { min-width: 0; }

.page-home .home-hero h1 {
  margin: 12px 0 20px;
  max-width: 15em;
  font-family: var(--font-display);
  font-size: var(--fs-8);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-home .home-hero__lead {
  margin: 0;
  max-width: 56ch;
  font-size: var(--fs-4);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 首屏左侧步骤轨 ---------- */
.page-home .home-rail { min-width: 0; }

.page-home .home-rail__label {
  margin: 0 0 12px;
  font-size: var(--fs-1);
  letter-spacing: 0.22em;
  color: var(--muted);
}

.page-home .home-rail__steps {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-home .home-rail__steps::-webkit-scrollbar { display: none; }

.page-home .home-rail__steps > li { flex: 0 0 auto; }

.page-home .home-rail__steps a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  color: var(--paper);
  font-size: var(--fs-2);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .home-rail__steps a:hover {
  border-color: var(--gold-soft);
  background-color: var(--ink-mid);
  transform: translateY(-2px);
}

.page-home .home-rail__steps a:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}

.page-home .home-rail__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-3);
  color: var(--gold);
}

/* ---------- 首屏章节预览 ---------- */
.page-home .home-preview {
  display: grid;
  gap: 1px;
  margin-top: clamp(28px, 4vw, 44px);
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-home .home-preview__item {
  display: grid;
  gap: 6px;
  min-height: 44px;
  padding: 18px 20px;
  background-color: var(--ink-mid);
  color: var(--paper);
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-home .home-preview__item:hover {
  background-color: var(--ink-lift);
  transform: translateY(-2px);
}

.page-home .home-preview__item:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: -2px;
}

.page-home .home-preview__k {
  font-size: var(--fs-2);
  letter-spacing: 0.06em;
  color: var(--gold-soft);
}

.page-home .home-preview__v {
  font-size: var(--fs-2);
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 全年阶段刻度 ---------- */
.page-home .home-cycle {
  padding: clamp(28px, 4vw, 44px) var(--home-pad);
  background: var(--ink-mid);
  border-bottom: 1px solid var(--line);
}

.page-home .home-cycle__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 24px;
  margin-bottom: clamp(18px, 2.5vw, 28px);
}

.page-home .home-cycle__title {
  margin: 0;
  max-width: 34em;
  font-family: var(--font-display);
  font-size: var(--fs-5);
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-home .home-cycle__note {
  margin: 0;
  font-size: var(--fs-2);
  color: var(--muted);
}

.page-home .home-cycle__track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-home .home-cycle__stage {
  position: relative;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: var(--fs-2);
  color: var(--muted);
}

.page-home .home-cycle__stage::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 50%;
  width: 7px;
  height: 7px;
  margin-left: -3.5px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 双端层级对照 ---------- */
.page-home .home-compare {
  padding: clamp(44px, 7vw, 96px) var(--home-pad);
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
}

.page-home .home-compare__grid {
  display: grid;
  gap: clamp(30px, 4vw, 48px);
}

.page-home .home-compare__lead {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-compare__media {
  margin: clamp(22px, 3vw, 32px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-home .home-compare__device { min-width: 0; }

.page-home .home-compare__tabs {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-home .home-compare__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  opacity: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.page-home .home-compare__tab {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 20px;
  cursor: pointer;
  font-size: var(--fs-3);
  color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-home .home-compare__tab:hover { color: var(--paper); }

.page-home #dev-mobile:checked + .home-compare__tab,
.page-home #dev-desktop:checked + .home-compare__tab {
  color: var(--paper);
  border-bottom-color: var(--jade);
}

.page-home #dev-mobile:focus-visible + .home-compare__tab,
.page-home #dev-desktop:focus-visible + .home-compare__tab {
  outline: 2px solid var(--jade);
  outline-offset: 2px;
}

.page-home .home-compare__panel {
  padding: clamp(20px, 3vw, 32px);
  background: var(--ink-mid);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}

.page-home .home-compare__panel--desktop { display: none; }

.page-home #dev-desktop:checked ~ .home-compare__panels .home-compare__panel--mobile { display: none; }

.page-home #dev-desktop:checked ~ .home-compare__panels .home-compare__panel--desktop { display: block; }

.page-home .home-compare__count {
  margin: 0 0 16px;
  font-size: var(--fs-2);
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-home .home-compare__count strong {
  margin: 0 2px;
  font-family: var(--font-display);
  font-size: var(--fs-6);
  font-weight: 600;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

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

.page-home .home-compare__list li {
  position: relative;
  padding-left: 20px;
  font-size: var(--fs-3);
  line-height: 1.75;
  color: var(--paper);
}

.page-home .home-compare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--jade);
  transform: rotate(45deg);
}

.page-home .home-compare__foot {
  margin: clamp(16px, 2vw, 22px) 0 0;
  font-size: var(--fs-2);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 三步入口自查 ---------- */
.page-home .home-steps {
  padding: clamp(44px, 7vw, 96px) var(--home-pad);
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-home .home-steps__inner { min-width: 0; }

.page-home .home-steps__head { max-width: 62ch; }

.page-home .home-steps__lead {
  margin: 16px 0 0;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-steps__banner {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-home .home-steps__list {
  --steps-indent: clamp(28px, 3.5vw, 48px);
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  list-style: none;
}

.page-home .home-steps__item {
  position: relative;
  min-width: 0;
}

.page-home .home-steps__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-display);
  font-size: clamp(40px, 4.5rem, 64px);
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--gold);
}

@supports (-webkit-text-stroke: 1px #000) {
  .page-home .home-steps__num {
    color: transparent;
    -webkit-text-stroke: 1px var(--gold);
  }
}

.page-home .home-steps__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-5);
  font-weight: 600;
  color: var(--paper);
}

.page-home .home-steps__item p {
  margin: 0;
  max-width: 56ch;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-steps__thumb {
  max-width: 240px;
  margin: clamp(18px, 2.5vw, 26px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

/* ---------- 规则阅读分流 ---------- */
.page-home .home-rules {
  padding: clamp(44px, 7vw, 96px) var(--home-pad);
  background: var(--paper);
  color: var(--ink);
}

.page-home .home-rules__head { max-width: 58ch; }

.page-home .home-rules .home-sec-title { color: var(--ink); }

.page-home .home-rules__lead {
  margin: 16px 0 0;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--ink-lift);
}

.page-home .home-rules__grid {
  display: grid;
  gap: clamp(20px, 3vw, 28px);
  margin-top: clamp(28px, 4vw, 44px);
}

.page-home .home-rules__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(24px, 3vw, 36px);
  background: var(--ink);
  border: 1px solid var(--ink);
  border-radius: var(--r-sm);
  color: var(--paper);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-home .home-rules__card:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: 0 10px 28px rgba(11, 27, 43, 0.28);
}

.page-home .home-rules__card:focus-visible {
  outline: 2px solid var(--jade);
  outline-offset: 3px;
}

.page-home .home-rules__card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-5);
  font-weight: 600;
  color: var(--paper);
}

.page-home .home-rules__card p {
  margin: 0;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-rules__go {
  margin-top: auto;
  padding-top: 6px;
  font-size: var(--fs-2);
  letter-spacing: 0.06em;
  color: var(--gold-soft);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-home .home-rules__card:hover .home-rules__go {
  border-bottom-color: var(--gold-soft);
}

/* ---------- 会馆档案概览 ---------- */
.page-home .home-archive {
  padding: clamp(44px, 7vw, 96px) var(--home-pad);
  background: var(--ink);
}

.page-home .home-archive__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-home .home-archive__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--muted);
}

.page-home .home-archive__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-home .home-archive__stats > div {
  padding: clamp(16px, 2.4vw, 26px);
  background: var(--ink-mid);
}

.page-home .home-archive__stats dt {
  margin-bottom: 8px;
  font-size: var(--fs-1);
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-home .home-archive__stats dd {
  margin: 0;
  font-size: var(--fs-3);
  color: var(--paper);
}

.page-home .home-archive__num {
  margin-right: 4px;
  font-family: var(--font-display);
  font-size: var(--fs-6);
  font-weight: 600;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-home .home-archive__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(32px, 4vw, 52px);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-home .home-cycle__track {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

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

@media (min-width: 768px) {
  .page-home .home-preview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-home .home-rules__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-home .home-hero__inner {
    grid-template-columns: var(--home-rail) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 80px);
    align-items: start;
  }

  .page-home .home-rail {
    position: sticky;
    top: 96px;
    padding-left: 14px;
    border-left: 1px solid var(--line);
  }

  .page-home .home-rail__steps {
    flex-direction: column;
    gap: 8px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-home .home-rail__steps > li { flex: 0 0 auto; }

  .page-home .home-rail__steps a {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    width: 100%;
    padding: 10px 12px;
    font-size: var(--fs-1);
    line-height: 1.45;
    white-space: normal;
  }

  .page-home .home-compare__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(36px, 5vw, 80px);
    align-items: start;
  }

  .page-home .home-steps__list {
    padding-left: var(--steps-indent);
    margin-left: 6px;
    border-left: 1px solid var(--line);
  }

  .page-home .home-steps__item::before {
    content: "";
    position: absolute;
    left: calc(-1 * var(--steps-indent) - 5px);
    top: 26px;
    width: 9px;
    height: 9px;
    background: var(--gold);
    transform: rotate(45deg);
  }

  .page-home .home-archive__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 5vw, 72px);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-preview__item,
  .page-home .home-rail__steps a,
  .page-home .home-rules__card {
    transform: none;
  }
}
</main>