.page-home {
  --home-band: clamp(42px, 7vw, 92px);
  position: relative;
  background: var(--c-ink);
  color: var(--c-paper);
  overflow-x: hidden;
}

/* ---------- 封面 ---------- */
.page-home .cover {
  position: relative;
  padding: clamp(30px, 6vw, 68px) 0 clamp(22px, 4vw, 46px);
  isolation: isolate;
}

.page-home .cover__bg {
  position: absolute;
  inset: -12% -18% auto -18%;
  height: 132%;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(58% 48% at 80% 10%, rgba(155, 92, 255, 0.32), transparent 72%),
    radial-gradient(46% 40% at 8% 74%, rgba(46, 211, 247, 0.17), transparent 74%),
    repeating-linear-gradient(0deg, rgba(244, 240, 230, 0.05) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(244, 240, 230, 0.045) 0 1px, transparent 1px 72px);
}

@media (prefers-reduced-motion: no-preference) {
  .page-home .cover__bg {
    animation: home-drift 60s linear infinite alternate;
  }
  @keyframes home-drift {
    from { transform: translate3d(0, 0, 0); }
    to { transform: translate3d(-6px, 4px, 0); }
  }
}

.page-home .cover__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 38px);
  align-items: start;
}

.page-home .cover__title {
  margin: 12px 0 0;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(36px, 8.6vw, 88px);
  line-height: 0.99;
  letter-spacing: -0.02em;
}

.page-home .cover__title-em {
  display: inline-block;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--c-violet);
  text-stroke: 1.5px var(--c-violet);
}

.page-home .cover__lede {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(244, 240, 230, 0.76);
}

.page-home .cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

.page-home .cover__card {
  position: relative;
  padding: clamp(16px, 2.4vw, 24px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(155deg, rgba(42, 39, 51, 0.94), rgba(14, 12, 20, 0.88));
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.45);
}

.page-home .cover__card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 68px;
  height: 2px;
  background: var(--c-orange);
}

.page-home .cover__card-cap {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-haze);
}

.page-home .cover__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.page-home .cover__list a {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 4px 12px;
  padding: 13px 0;
  border-top: 1px solid var(--line-soft);
  color: inherit;
  text-decoration: none;
  transition: transform 160ms var(--ease), border-color 160ms linear;
}

.page-home .cover__list a:hover,
.page-home .cover__list a:focus-visible {
  transform: translateX(4px);
  border-color: var(--c-violet);
}

.page-home .cover__no {
  grid-row: 1 / span 2;
  font-family: var(--f-display);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-home .cover__label {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.4;
}

.page-home .cover__hint {
  grid-column: 2;
  font-size: 13px;
  line-height: 1.55;
  color: rgba(244, 240, 230, 0.58);
}

.page-home .cover__art {
  margin-top: clamp(6px, 2vw, 14px);
}

@media (max-width: 719px) {
  .page-home .cover__list {
    display: flex;
    margin: 12px -18px 0;
    padding: 0 18px 2px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
  }
  .page-home .cover__list li {
    flex: 0 0 78%;
    scroll-snap-align: start;
  }
  .page-home .cover__list li + li {
    margin-left: 10px;
  }
  .page-home .cover__list a {
    height: 100%;
    padding: 4px 14px;
    border-top: 0;
    border-left: 2px solid var(--line-soft);
  }
}

@media (min-width: 960px) {
  .page-home .cover__grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
  }
  .page-home .cover__head {
    grid-column: 1 / span 7;
  }
  .page-home .cover__card {
    grid-column: 8 / span 5;
    margin-top: clamp(24px, 5vw, 76px);
  }
  .page-home .cover__art {
    grid-column: 5 / span 8;
    margin-top: 8px;
  }
}

/* ---------- 本章看点条 ---------- */
.page-home .home-toc {
  position: sticky;
  top: 0;
  z-index: 6;
  display: flex;
  overflow-x: auto;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(14, 12, 20, 0.95);
  backdrop-filter: blur(8px);
  -webkit-overflow-scrolling: touch;
}

.page-home .home-toc a {
  flex: 0 0 auto;
  padding: 12px 16px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-haze);
  text-decoration: none;
  border-right: 1px solid var(--line-soft);
  transition: color 160ms linear, background-color 160ms linear;
}

.page-home .home-toc a:hover,
.page-home .home-toc a:focus-visible,
.page-home .home-toc a[aria-current="true"] {
  color: var(--c-cyan);
  background: rgba(46, 211, 247, 0.08);
}

@media (max-width: 719px) {
  .page-home .home-toc {
    top: var(--bar-h);
  }
}

/* ---------- 通用区块 ---------- */
.page-home .band {
  position: relative;
  padding: var(--home-band) 0;
}

.page-home .band--paper {
  background: var(--c-paper);
  color: var(--c-ink);
}

.page-home .band--play {
  background:
    radial-gradient(66% 58% at 14% 8%, rgba(78, 107, 84, 0.6), transparent 72%),
    linear-gradient(180deg, #15121c, var(--c-ink));
}

.page-home .band--scale {
  border-top: 1px solid var(--line-soft);
}

.page-home .band--next {
  padding-top: clamp(30px, 5vw, 64px);
}

.page-home .sec-head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(20px, 3.4vw, 38px);
}

.page-home .sec-head--tight {
  margin-bottom: clamp(16px, 2.4vw, 26px);
}

.page-home .sec-title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(25px, 4.4vw, 42px);
  line-height: 1.07;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-home .band--paper .sec-title {
  color: var(--c-ink);
}

.page-home .sec-lede {
  margin: 4px 0 0;
  max-width: 58ch;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(244, 240, 230, 0.72);
}

.page-home .band--paper .sec-lede {
  color: rgba(14, 12, 20, 0.7);
}

.page-home .eyebrow {
  color: var(--c-cyan);
}

.page-home .band--paper .eyebrow {
  color: var(--c-clay);
}

/* ---------- 更新索引 ---------- */
.page-home .index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .idx {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, rgba(42, 39, 51, 0.72), rgba(14, 12, 20, 0.72));
  transition: border-color 160ms linear, transform 160ms var(--ease);
}

.page-home .idx:hover {
  border-color: var(--c-violet);
  transform: translateY(-3px);
}

.page-home .idx__no {
  margin: 0;
  font-family: var(--f-display);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-home .idx__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 23px);
  line-height: 1.28;
  letter-spacing: -0.01em;
}

.page-home .idx__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(244, 240, 230, 0.72);
}

.page-home .idx__link {
  margin-top: auto;
  padding-top: 6px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-violet);
  text-decoration: none;
}

.page-home .idx__link::after {
  content: " →";
}

.page-home .idx__link:hover,
.page-home .idx__link:focus-visible {
  color: var(--c-cyan);
}

.page-home .idx--paper {
  background: var(--c-paper);
  border-color: var(--line-dark);
  color: var(--c-ink);
}

.page-home .idx--paper .idx__no {
  color: var(--c-clay);
}

.page-home .idx--paper .idx__text {
  color: rgba(14, 12, 20, 0.7);
}

.page-home .idx--paper .idx__link {
  color: var(--c-clay);
}

@media (min-width: 900px) {
  .page-home .index-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 20px;
  }
  .page-home .idx--a { grid-column: 1 / span 7; }
  .page-home .idx--b { grid-column: 8 / span 5; margin-top: 48px; }
  .page-home .idx--c { grid-column: 2 / span 5; }
  .page-home .idx--d { grid-column: 7 / span 6; margin-top: 42px; }
}

/* ---------- 会员中心 ---------- */
.page-home .member-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

.page-home .member__lead {
  margin: 14px 0 0;
  max-width: 48ch;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.78;
  color: rgba(14, 12, 20, 0.74);
}

.page-home .facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
}

.page-home .facts li {
  display: grid;
  grid-template-columns: minmax(80px, auto) 1fr;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-dark);
  font-size: 15px;
}

.page-home .facts b {
  font-weight: 800;
  letter-spacing: 0.02em;
}

.page-home .facts span {
  color: rgba(14, 12, 20, 0.68);
  line-height: 1.6;
}

.page-home .member__levels-cap {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: rgba(14, 12, 20, 0.5);
}

.page-home .levels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
}

.page-home .levels span {
  padding: 6px 13px;
  border: 1px solid var(--line-dark);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--c-ink);
}

.page-home .levels span:last-child {
  border-color: var(--c-violet);
  color: var(--c-violet);
}

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

@media (min-width: 900px) {
  .page-home .member-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 32px;
  }
  .page-home .member-grid__art {
    grid-column: 1 / span 6;
    margin-top: -24px;
  }
  .page-home .member-grid__body {
    grid-column: 8 / span 5;
  }
}

/* ---------- 版本说明 ---------- */
.page-home .version-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 42px);
  align-items: center;
}

.page-home .track {
  list-style: none;
  margin: 24px 0 0;
  padding: 0 0 0 20px;
  border-left: 1px solid var(--line-strong);
  display: grid;
  gap: 16px;
}

.page-home .track li {
  position: relative;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(244, 240, 230, 0.72);
}

.page-home .track li::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 8px;
  width: 9px;
  height: 9px;
  background: var(--c-cyan);
}

.page-home .track li:nth-child(3)::before {
  background: var(--c-violet);
}

.page-home .track li:nth-child(4)::before {
  background: var(--c-orange);
}

.page-home .track b {
  display: block;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 15.5px;
  letter-spacing: 0.01em;
  color: var(--c-paper);
}

.page-home .version__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
}

@media (min-width: 900px) {
  .page-home .version-grid {
    grid-template-columns: repeat(12, 1fr);
  }
  .page-home .version-grid__body {
    grid-column: 1 / span 6;
  }
  .page-home .version-grid__art {
    grid-column: 7 / span 6;
    margin-top: 26px;
  }
}

/* ---------- 线下约玩 ---------- */
.page-home .play-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 38px);
  align-items: center;
}

.page-home .play-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 24px 0 0;
  padding: 0;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-home .play-stats li {
  display: grid;
  gap: 6px;
  padding: 16px 12px;
  background: rgba(14, 12, 20, 0.86);
}

.page-home .play-stats__n {
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-cyan);
}

.page-home .play-stats__t {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-haze);
}

.page-home .play__note {
  margin: 20px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 240, 230, 0.72);
}

.page-home .play__line {
  margin: 10px 0 0;
  font-size: 15px;
  color: var(--c-orange);
}

.page-home .play__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
}

@media (min-width: 900px) {
  .page-home .play-grid {
    grid-template-columns: repeat(12, 1fr);
    gap: 36px;
  }
  .page-home .play-grid__body {
    grid-column: 1 / span 5;
  }
  .page-home .play-grid__art {
    grid-column: 6 / span 7;
  }
}

/* ---------- 规模数字 ---------- */
.page-home .scale-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-home .scale-cell {
  padding: clamp(20px, 3vw, 34px);
  background: var(--c-ink);
}

.page-home .scale-num {
  display: block;
  font-family: var(--f-display);
  font-weight: 900;
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--c-paper);
}

.page-home .scale-num small {
  margin-left: 4px;
  font-size: 0.42em;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

.page-home .scale-cap {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-home .scale-note {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: rgba(244, 240, 230, 0.62);
}

@media (min-width: 880px) {
  .page-home .scale-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- 后续路径 ---------- */
.page-home .next {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-home .next__card {
  display: grid;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 28px);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--c-graphite);
  color: inherit;
  text-decoration: none;
  background: rgba(42, 39, 51, 0.42);
  transition: border-color 160ms linear, background-color 160ms linear;
}

.page-home .next__card:hover,
.page-home .next__card:focus-visible {
  border-left-color: var(--c-violet);
  background: rgba(155, 92, 255, 0.1);
}

.page-home .next__tag {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-haze);
}

.page-home .next__title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.42;
}

.page-home .next__go {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

@media (min-width: 820px) {
  .page-home .next {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
}

/* ---------- 反馈条 ---------- */
.page-home .feedback {
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  background: linear-gradient(90deg, rgba(155, 92, 255, 0.18), rgba(46, 211, 247, 0.1));
}

.page-home .feedback__inner {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
  padding: clamp(22px, 3.4vw, 34px) 0;
}

.page-home .feedback__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: rgba(244, 240, 230, 0.8);
}

.page-home .feedback__text strong {
  color: var(--c-paper);
}

@media (min-width: 820px) {
  .page-home .feedback__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
  }
}
</main>