.page-home {
  --home-panel: rgba(26, 21, 18, .72);
  --home-shadow: 0 24px 60px rgba(0, 0, 0, .45);
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink) 52%, var(--ink-2) 100%);
  color: var(--silver);
}

.page-home::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(242, 232, 216, .035) 1px, transparent 1.2px),
    radial-gradient(circle at 14% 18%, rgba(201, 146, 74, .09), transparent 42%),
    radial-gradient(circle at 86% 72%, rgba(70, 120, 95, .11), transparent 46%);
  background-size: 4px 4px, 100% 100%, 100% 100%;
}

.page-home > section {
  position: relative;
  z-index: 1;
}

.page-home a:focus-visible,
.page-home summary:focus-visible {
  outline: 2px solid var(--copper-bright);
  outline-offset: 3px;
}

/* ---------- 首屏拼贴 ---------- */

.page-home .hero-collage {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: clamp(24px, 4.4vw, 64px) var(--gutter) clamp(30px, 4vw, 58px);
}

.page-home .hero-collage-grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "lead"
    "entry"
    "version";
}

@media (min-width: 900px) {
  .page-home .hero-collage-grid {
    grid-template-columns: minmax(0, 1.52fr) minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    grid-template-areas:
      "lead entry"
      "lead version";
  }
}

.page-home .collage-lead {
  grid-area: lead;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.2vw, 26px);
  padding: clamp(22px, 3.2vw, 46px);
  border: 1px solid var(--line);
  background:
    linear-gradient(158deg, rgba(46, 92, 78, .44) 0%, rgba(14, 21, 18, .28) 48%, rgba(14, 21, 18, .78) 100%);
  box-shadow: var(--home-shadow);
  overflow: hidden;
}

.page-home .collage-lead::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: clamp(56px, 9vw, 104px);
  height: clamp(56px, 9vw, 104px);
  background: linear-gradient(135deg, transparent 49.4%, rgba(201, 146, 74, .3) 49.4%);
  pointer-events: none;
}

.page-home .collage-eyebrow {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--copper);
  text-transform: uppercase;
}

.page-home .collage-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(29px, 5.2vw, 58px);
  line-height: 1.07;
  letter-spacing: -.02em;
  color: var(--cream);
  transform: scaleY(.94);
  transform-origin: left top;
  text-wrap: balance;
}

.page-home .collage-lede {
  margin: 0;
  max-width: 54ch;
  font-size: var(--fs-lead);
  line-height: 1.78;
  color: var(--silver);
}

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

.page-home .collage-figure {
  margin: auto 0 0;
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-home .collage-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  filter: saturate(.82) brightness(.86);
}

.page-home .collage-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--copper);
}

.page-home .collage-entry {
  grid-area: entry;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 32px);
  border: 1px solid var(--neon-line);
  background: linear-gradient(168deg, rgba(255, 62, 127, .13) 0%, rgba(14, 21, 18, .72) 62%);
  color: var(--cream);
  text-decoration: none;
  overflow: hidden;
  transition: background var(--t-mid) ease, border-color var(--t-mid) ease;
}

.page-home .collage-entry::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon), rgba(255, 62, 127, 0));
  opacity: .85;
}

.page-home .collage-entry:hover,
.page-home .collage-entry:focus-visible {
  background: linear-gradient(168deg, rgba(255, 62, 127, .22) 0%, rgba(14, 21, 18, .82) 66%);
  border-color: rgba(255, 62, 127, .72);
}

.page-home .collage-entry-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(21px, 2.4vw, 30px);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-home .collage-entry-desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
}

.page-home .collage-entry-cue {
  margin-top: auto;
  padding-top: 14px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--neon);
  animation: home-breathe 2.8s ease-in-out infinite;
}

@keyframes home-breathe {
  0%, 100% { text-shadow: 0 0 0 rgba(255, 62, 127, 0); }
  50% { text-shadow: 0 0 15px rgba(255, 62, 127, .8); }
}

.page-home .collage-version {
  grid-area: version;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--line-soft);
  background: var(--home-panel);
  color: var(--cream);
  text-decoration: none;
  transition: border-color var(--t-fast) ease, background var(--t-fast) ease;
}

.page-home .collage-version:hover,
.page-home .collage-version:focus-visible {
  border-color: var(--line);
  background: rgba(46, 92, 78, .3);
}

.page-home .collage-ver {
  font-family: var(--font-mono);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1;
  letter-spacing: .06em;
  color: var(--copper-bright);
}

.page-home .collage-version-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(17px, 1.8vw, 22px);
  letter-spacing: .01em;
  color: var(--cream);
}

.page-home .collage-version-desc {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 小节公共 ---------- */

.page-home .home-h2 {
  margin: 6px 0 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: var(--fs-h2);
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--cream);
  transform: scaleY(.95);
  transform-origin: left top;
}

.page-home .drawer-section .section-head,
.page-home .dual-section .section-head {
  margin-bottom: clamp(24px, 3.4vw, 46px);
  max-width: 62ch;
}

.page-home .placard {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--copper);
}

.page-home .placard-num {
  font-family: var(--font-mono);
  padding: 2px 7px;
  border: 1px solid var(--line);
  color: var(--copper-bright);
}

.page-home .lede {
  margin: 12px 0 0;
  font-size: var(--fs-lead);
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 抽屉 ---------- */

.page-home .drawer-section {
  padding: clamp(44px, 6vw, 100px) 0;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(26, 21, 18, .35) 0%, rgba(14, 21, 18, 0) 70%);
}

.page-home .entry-drawer {
  position: relative;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(26, 21, 18, .9) 0%, rgba(14, 21, 18, .96) 100%);
}

.page-home .entry-drawer::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--neon) 0%, rgba(255, 62, 127, .1) 100%);
  pointer-events: none;
}

.page-home .entry-front {
  list-style: none;
  cursor: pointer;
  position: relative;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 22px);
  padding: clamp(18px, 2.4vw, 28px) clamp(18px, 2.6vw, 34px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) ease, background var(--t-fast) ease;
}

.page-home .entry-front::-webkit-details-marker { display: none; }

.page-home .entry-front:hover { background: rgba(255, 62, 127, .06); }

.page-home .entry-drawer[open] .entry-front {
  border-bottom-color: var(--line-soft);
  background: rgba(255, 62, 127, .05);
}

.page-home .entry-handle {
  flex: none;
  width: 30px;
  height: 3px;
  background: var(--neon);
  box-shadow: 0 0 12px rgba(255, 62, 127, .55);
  transition: width var(--t-mid) ease;
}

.page-home .entry-drawer[open] .entry-handle { width: 56px; }

.page-home .entry-front-label {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-width: 0;
}

.page-home .entry-front-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neon);
}

.page-home .entry-front-name {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 24px);
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-home .entry-front-hint {
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-home .entry-body {
  padding: clamp(20px, 2.8vw, 36px) clamp(18px, 2.6vw, 34px);
  animation: home-drawer-in 260ms cubic-bezier(.22, .8, .3, 1) both;
}

@keyframes home-drawer-in {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

.page-home .entry-grid {
  display: grid;
  gap: clamp(18px, 2.4vw, 30px);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 780px) {
  .page-home .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-home .entry-col {
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
}

.page-home .entry-h3 {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: var(--fs-h4);
  color: var(--cream);
}

.page-home .entry-col p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--silver);
}

.page-home .entry-col .btn { margin-top: auto; align-self: flex-start; }

/* ---------- 双端速览 ---------- */

.page-home .dual-section {
  padding: clamp(44px, 6vw, 100px) 0;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(46, 92, 78, .14) 0%, rgba(14, 21, 18, 0) 60%);
}

.page-home .dual-grid {
  display: grid;
  gap: clamp(18px, 2.6vw, 32px);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 880px) {
  .page-home .dual-grid {
    grid-template-columns: minmax(0, .84fr) minmax(0, 1.16fr);
    align-items: start;
  }
}

.page-home .dual-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line-soft);
  background: rgba(26, 21, 18, .58);
  overflow: hidden;
  transition: border-color var(--t-fast) ease;
}

.page-home .dual-card:hover { border-color: var(--line); }

.page-home .dual-card--desktop {
  background: linear-gradient(178deg, rgba(46, 92, 78, .26) 0%, rgba(26, 21, 18, .62) 62%);
}

.page-home .dual-figure {
  margin: 0;
  border-bottom: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-home .dual-card--mobile .dual-figure { aspect-ratio: 4 / 3; }
.page-home .dual-card--desktop .dual-figure { aspect-ratio: 14 / 9; }

@media (min-width: 880px) {
  .page-home .dual-card--mobile .dual-figure { aspect-ratio: 3 / 4; }
}

.page-home .dual-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.86) brightness(.9);
}

.page-home .dual-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 30px);
  flex: 1;
}

.page-home .dual-tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--copper);
}

.page-home .dual-title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(19px, 2.1vw, 26px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-home .dual-text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--silver);
}

.page-home .dual-link {
  margin-top: auto;
  align-self: flex-start;
  padding-top: 12px;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--copper-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-home .dual-link:hover,
.page-home .dual-link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--copper-bright);
}

/* ---------- 会员权益 ---------- */

.page-home .member-section {
  padding: clamp(44px, 6vw, 100px) 0;
  border-top: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(26, 21, 18, .58) 0%, var(--ink-2) 100%);
}

.page-home .member-panel {
  display: grid;
  gap: clamp(22px, 3vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

@media (min-width: 920px) {
  .page-home .member-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
  }
  .page-home .member-figure {
    margin-top: clamp(18px, 3.4vw, 56px);
  }
}

.page-home .member-copy { min-width: 0; }

.page-home .member-list {
  list-style: none;
  counter-reset: member;
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-home .member-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--silver);
}

.page-home .member-list li::before {
  counter-increment: member;
  content: counter(member, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--copper);
  padding-top: 3px;
}

.page-home .member-list strong {
  color: var(--cream);
  font-weight: 700;
}

.page-home .member-foot {
  margin: clamp(18px, 2.2vw, 26px) 0 16px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--stone);
}

.page-home .member-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-home .member-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.8) brightness(.82);
}

/* ---------- 页尾对折清单 ---------- */

.page-home .strip-section {
  padding: clamp(40px, 5.6vw, 88px) 0 clamp(30px, 4vw, 58px);
  border-top: 1px solid var(--line-soft);
  background: var(--ink-2);
}

.page-home .fold-strip {
  position: relative;
  border: 1px solid var(--line);
  background-image:
    repeating-linear-gradient(90deg, rgba(201, 146, 74, .07) 0 1px, transparent 1px 48px),
    linear-gradient(180deg, rgba(46, 92, 78, .2) 0%, rgba(14, 21, 18, .94) 100%);
  background-size: 48px 100%, 100% 100%;
}

.page-home .strip-front {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding: clamp(16px, 2vw, 24px) clamp(16px, 2.4vw, 30px);
}

.page-home .strip-front::-webkit-details-marker { display: none; }

.page-home .strip-front-text {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--copper-bright);
}

.page-home .strip-mark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--stone);
  transition: color var(--t-fast) ease;
}

.page-home .strip-mark::after {
  content: "▾";
  display: inline-block;
  font-size: 12px;
  transition: transform var(--t-mid) ease;
}

.page-home .fold-strip[open] .strip-mark::after { transform: rotate(180deg); }
.page-home .fold-strip[open] .strip-mark { color: var(--copper); }

.page-home .strip-body {
  padding: 0 clamp(16px, 2.4vw, 30px) clamp(18px, 2.4vw, 30px);
  animation: home-fold-open 280ms ease-out both;
}

@keyframes home-fold-open {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-home .strip-row {
  display: grid;
  gap: 5px 20px;
  padding: 12px 0;
  border-top: 1px solid var(--line-soft);
}

@media (min-width: 640px) {
  .page-home .strip-row {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    align-items: baseline;
  }
}

.page-home .strip-key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--copper);
}

.page-home .strip-val {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-home .strip-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-home .strip-link {
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--copper-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-home .strip-link:hover,
.page-home .strip-link:focus-visible {
  color: var(--cream);
  border-bottom-color: var(--copper-bright);
}

.page-home .strip-note {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--stone);
}

/* ---------- 减少动效 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-home .collage-entry-cue {
    animation: none;
    text-shadow: 0 0 10px rgba(255, 62, 127, .5);
  }
  .page-home .entry-body,
  .page-home .strip-body {
    animation: none;
  }
  .page-home .entry-handle,
  .page-home .strip-mark::after {
    transition: none;
  }
}
</main>