.page-home {
  --home-cut: 18px;
  --home-line: rgba(176, 141, 87, 0.30);
  --home-line-soft: rgba(176, 141, 87, 0.16);
  --home-card-bg: linear-gradient(158deg, rgba(15, 74, 56, 0.86) 0%, rgba(6, 38, 29, 0.94) 100%);
  overflow-x: clip;
  background: var(--nn-green-deep);
}

.page-home .nn-h2 {
  margin: 0;
  font-family: var(--nn-font-display);
  font-weight: 300;
  font-size: clamp(1.6rem, 4.6vw, 2.6rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--nn-paper);
}

.page-home .nn-section--paper .nn-h2,
.page-home .home-index .nn-h2 {
  color: var(--nn-green);
}

/* ============ 首屏 ============ */
.page-home .home-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 100vh;
  min-height: 100svh;
  padding: calc(var(--nn-header-h) + 3.25rem) 0 clamp(2.75rem, 7vw, 5rem);
  overflow: hidden;
  isolation: isolate;
  background: linear-gradient(165deg, var(--nn-green) 0%, var(--nn-green-deep) 58%, #041913 100%);
}

.page-home .home-hero__bg,
.page-home .home-hero__scrim {
  position: absolute;
  inset: 0;
}

.page-home .home-hero__bg { z-index: -2; }

.page-home .home-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.36;
  filter: saturate(0.72) contrast(1.08);
}

.page-home .home-hero__scrim {
  z-index: -1;
  background:
    radial-gradient(115% 72% at 84% 4%, rgba(176, 141, 87, 0.20) 0%, rgba(176, 141, 87, 0) 58%),
    linear-gradient(180deg, rgba(4, 25, 19, 0.32) 0%, rgba(4, 25, 19, 0.78) 56%, var(--nn-green-deep) 100%);
}

.page-home .home-hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
}

.page-home .home-hero__crumbs {
  margin: 0 0 clamp(1.5rem, 4vw, 2.5rem);
}

.page-home .home-hero__title {
  max-width: 20ch;
  margin: 0.85rem 0 0;
  font-family: var(--nn-font-display);
  font-weight: 300;
  font-size: clamp(2.1rem, 7.6vw, 4.75rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--nn-paper);
}

.page-home .home-hero__lede {
  max-width: 54ch;
  margin: clamp(1.1rem, 3vw, 1.6rem) 0 0;
  font-size: clamp(0.95rem, 2.2vw, 1.08rem);
  line-height: 1.85;
  color: rgba(245, 240, 230, 0.74);
}

/* 章节索引 */
.page-home .home-chapters {
  list-style: none;
  margin: clamp(2.25rem, 5vw, 3.5rem) 0 0;
  padding: 0;
  border-top: 1px solid var(--home-line);
}

.page-home .home-chapters > li {
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .home-chapter {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1.1rem;
  row-gap: 0.4rem;
  align-items: baseline;
  padding: 1.05rem 0.35rem;
  color: var(--nn-paper);
  text-decoration: none;
  transition: background-color 0.35s var(--nn-ease), padding-left 0.35s var(--nn-ease);
}

.page-home .home-chapter:hover,
.page-home .home-chapter:focus-visible {
  background: rgba(176, 141, 87, 0.08);
  padding-left: 0.95rem;
}

.page-home .home-chapter__num {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--nn-font-display);
  font-weight: 300;
  font-size: clamp(1.35rem, 4.2vw, 2.1rem);
  line-height: 1;
  color: var(--nn-gold);
  font-variant-numeric: tabular-nums;
}

.page-home .home-chapter__title {
  grid-column: 2;
  grid-row: 1;
  font-family: var(--nn-font-display);
  font-weight: 400;
  font-size: clamp(1.02rem, 2.8vw, 1.35rem);
  line-height: 1.35;
  color: var(--nn-paper);
}

.page-home .home-chapter__desc {
  grid-column: 2;
  grid-row: 2;
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.6);
}

/* ============ 横向牌型带 ============ */
.page-home .home-band-wrap {
  background: linear-gradient(180deg, var(--nn-green-deep) 0%, var(--nn-green) 100%);
}

.page-home .home-band-head {
  margin-bottom: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-home .home-band-head .nn-h2 {
  margin-top: 0.7rem;
  max-width: 24ch;
}

.page-home .home-band {
  margin-top: 0;
  padding-bottom: 1.25rem;
  scrollbar-color: var(--nn-gold-mute) transparent;
  scrollbar-width: thin;
}

.page-home .home-band__card {
  flex: 0 0 min(78vw, 320px);
  scroll-snap-align: start;
  padding: 1.5rem 1.35rem 1.6rem;
  background: var(--home-card-bg);
  border: 1px solid var(--home-line);
  clip-path: polygon(
    0 0,
    calc(100% - var(--home-cut)) 0,
    100% var(--home-cut),
    100% 100%,
    var(--home-cut) 100%,
    0 calc(100% - var(--home-cut))
  );
  transition: box-shadow 0.4s var(--nn-ease), transform 0.4s var(--nn-ease);
}

.page-home .home-band__card:hover {
  transform: translateY(-3px);
  box-shadow: var(--nn-shadow);
}

.page-home .home-band__tag {
  display: inline-block;
  font-family: var(--nn-font-index);
  font-size: 0.66rem;
  font-weight: 400;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--nn-gold-soft);
}

.page-home .home-band__title {
  margin: 0.75rem 0 0;
  font-family: var(--nn-font-display);
  font-weight: 400;
  font-size: 1.22rem;
  line-height: 1.35;
  color: var(--nn-paper);
}

.page-home .home-band__text {
  margin: 0.7rem 0 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: rgba(245, 240, 230, 0.66);
}

/* ============ 纸色 · 牌型库规模 ============ */
.page-home .home-index {
  background: var(--nn-paper);
  color: var(--nn-ink);
}

.page-home .home-index__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

.page-home .home-index__lead .nn-kicker {
  color: var(--nn-gold-mute);
}

.page-home .home-index__lead .nn-h2 {
  margin-top: 0.7rem;
  max-width: 18ch;
}

.page-home .home-index__note {
  margin: 1rem 0 0;
  max-width: 46ch;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(28, 28, 28, 0.7);
}

.page-home .home-stats {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  border-top: 1px solid rgba(138, 115, 78, 0.45);
}

.page-home .home-stat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(138, 115, 78, 0.28);
}

.page-home .home-stat__label {
  font-family: var(--nn-font-index);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--nn-gold-mute);
}

.page-home .home-stat__value {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  margin: 0;
}

.page-home .home-stat__num {
  font-family: var(--nn-font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 8.4vw, 3.9rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--nn-green);
  font-variant-numeric: tabular-nums;
  transition: transform 0.4s var(--nn-ease), color 0.4s var(--nn-ease);
}

.page-home .home-stat:hover .home-stat__num {
  transform: scale(1.05);
  color: var(--nn-red);
}

.page-home .home-stat__unit {
  font-size: 0.86rem;
  color: var(--nn-gold-mute);
}

.page-home .home-index__cta {
  margin: clamp(1.75rem, 4vw, 2.25rem) 0 0;
}

.page-home .home-index__media {
  margin: 0;
  border: 1px solid rgba(138, 115, 78, 0.35);
}

.page-home .home-index__media .nn-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-home .home-index__media .nn-media__caption {
  padding: 0.75rem 0.9rem;
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--nn-gold-mute);
  background: rgba(28, 28, 28, 0.04);
}

/* ============ 升段位打法三段 ============ */
.page-home .home-tiers {
  background: linear-gradient(180deg, var(--nn-green) 0%, var(--nn-green-deep) 100%);
}

.page-home .home-tiers .nn-kicker {
  color: var(--nn-gold-soft);
}

.page-home .home-tiers__lede {
  margin: 0.9rem 0 0;
  max-width: 46ch;
  font-size: 0.98rem;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.68);
}

.page-home .home-tiers__grid {
  display: grid;
  gap: 1.15rem;
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
}

.page-home .home-tier {
  position: relative;
  padding: clamp(1.5rem, 3.4vw, 2.1rem);
  background: var(--home-card-bg);
  border: 1px solid var(--home-line);
  clip-path: polygon(
    0 0,
    calc(100% - var(--home-cut)) 0,
    100% var(--home-cut),
    100% 100%,
    var(--home-cut) 100%,
    0 calc(100% - var(--home-cut))
  );
}

.page-home .home-tier__seal {
  display: inline-block;
  padding: 0.28rem 0.62rem;
  font-family: var(--nn-font-index);
  font-size: 0.65rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--nn-paper);
  background: var(--nn-red);
  transform: rotate(-2.5deg);
}

.page-home .home-tier__title {
  margin: 1.1rem 0 0;
  font-family: var(--nn-font-display);
  font-weight: 400;
  font-size: clamp(1.15rem, 3vw, 1.4rem);
  line-height: 1.35;
  color: var(--nn-paper);
}

.page-home .home-tier__text {
  margin: 0.7rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.68);
}

.page-home .home-tier__list {
  list-style: none;
  margin: 1.15rem 0 0;
  padding: 0;
  border-top: 1px solid var(--home-line-soft);
}

.page-home .home-tier__list li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.05rem;
  font-size: 0.84rem;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.6);
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .home-tier__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 6px;
  height: 6px;
  background: var(--nn-gold);
  transform: rotate(45deg);
}

/* ============ 新手局与换桌 ============ */
.page-home .home-rules {
  background: linear-gradient(180deg, var(--nn-green-deep) 0%, var(--nn-green) 100%);
}

.page-home .home-rules__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}

.page-home .home-rules .nn-kicker {
  color: var(--nn-gold-soft);
}

.page-home .home-rules__intro .nn-h2 {
  margin-top: 0.7rem;
  max-width: 16ch;
}

.page-home .home-rules__intro .nn-prose {
  margin: 1rem 0 0;
  color: rgba(245, 240, 230, 0.68);
}

.page-home .home-rules__media {
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  border: 1px solid var(--home-line);
}

.page-home .home-rules__media .nn-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-home .home-rules__media .nn-media__caption {
  padding: 0.7rem 0.85rem;
  font-size: 0.76rem;
  color: rgba(245, 240, 230, 0.5);
}

.page-home .home-rules__folds {
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.page-home .home-rules__folds .nn-fold {
  background: rgba(6, 38, 29, 0.7);
  border: 1px solid var(--home-line);
  border-left: 3px solid var(--nn-gold);
  clip-path: polygon(
    0 0,
    calc(100% - 14px) 0,
    100% 14px,
    100% 100%,
    0 100%
  );
}

.page-home .home-rules__folds .nn-fold__summary {
  padding: 1.05rem 1.15rem;
  font-size: 0.96rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--nn-paper);
  cursor: pointer;
}

.page-home .home-rules__folds .nn-fold__body {
  padding: 0 1.15rem 1.25rem;
  color: rgba(245, 240, 230, 0.68);
}

.page-home .home-rules__folds .nn-fold__body ul {
  margin: 0;
  padding-left: 1.1rem;
}

.page-home .home-rules__folds .nn-fold__body li {
  margin-top: 0.55rem;
  font-size: 0.86rem;
  line-height: 1.78;
}

/* ============ 残局关数 ============ */
.page-home .home-endgame {
  position: relative;
  padding: clamp(3.25rem, 9vw, 6.5rem) 0;
  overflow: hidden;
  isolation: isolate;
  background: var(--nn-green-deep);
}

.page-home .home-endgame__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
}

.page-home .home-endgame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(118deg, rgba(6, 38, 29, 0.95) 0%, rgba(6, 38, 29, 0.6) 50%, rgba(4, 25, 19, 0.94) 100%);
}

.page-home .home-endgame__inner .nn-kicker {
  color: var(--nn-gold-soft);
}

.page-home .home-endgame__inner .nn-h2 {
  margin-top: 0.7rem;
  max-width: 18ch;
}

.page-home .home-endgame__inner .nn-prose {
  margin: 1.1rem 0 0;
  max-width: 58ch;
  color: rgba(245, 240, 230, 0.7);
}

.page-home .home-endgame__list {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  max-width: 62ch;
  border-top: 1px solid var(--home-line);
}

.page-home .home-endgame__list li {
  padding: 0.85rem 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.66);
  border-bottom: 1px solid var(--home-line-soft);
}

.page-home .home-endgame__list strong {
  display: inline-block;
  min-width: 11.5rem;
  margin-right: 0.6rem;
  font-family: var(--nn-font-index);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--nn-gold);
}

.page-home .home-endgame__cta {
  margin: clamp(1.75rem, 4vw, 2.25rem) 0 0;
}

/* ============ 深夜氛围与入口 ============ */
.page-home .home-night {
  background: linear-gradient(180deg, var(--nn-green-deep) 0%, #041913 100%);
}

.page-home .home-night__quote {
  max-width: 30ch;
  margin: 0;
  font-family: var(--nn-font-display);
  font-weight: 300;
  font-size: clamp(1.35rem, 4.4vw, 2.3rem);
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: rgba(245, 240, 230, 0.86);
}

.page-home .home-night__links {
  display: grid;
  gap: 0;
  margin-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--home-line);
}

.page-home .home-night__link {
  display: grid;
  grid-template-columns: 7.5rem 1fr;
  align-items: baseline;
  gap: 0.75rem 1.25rem;
  padding: 1.05rem 0.3rem;
  border-bottom: 1px solid var(--home-line-soft);
  text-decoration: none;
  transition: background-color 0.35s var(--nn-ease), padding-left 0.35s var(--nn-ease);
}

.page-home .home-night__link:hover,
.page-home .home-night__link:focus-visible {
  background: rgba(176, 141, 87, 0.07);
  padding-left: 0.9rem;
}

.page-home .home-night__link .nn-index {
  color: var(--nn-gold);
  letter-spacing: 0.2em;
}

.page-home .home-night__link-text {
  font-size: 0.92rem;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.68);
}

/* ============ 响应式 ============ */
@media (min-width: 700px) {
  .page-home .home-night__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2.5rem;
  }
}

@media (min-width: 820px) {
  .page-home .home-chapter {
    grid-template-columns: 5.5rem 12.5rem 1fr;
    align-items: center;
    padding: 1.15rem 0.4rem;
  }

  .page-home .home-chapter__num { grid-column: 1; grid-row: 1; }
  .page-home .home-chapter__title { grid-column: 2; grid-row: 1; }
  .page-home .home-chapter__desc { grid-column: 3; grid-row: 1; }

  .page-home .home-tiers__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.35rem;
  }

  .page-home .home-tiers__grid .home-tier:nth-child(2) {
    margin-top: 1.75rem;
  }

  .page-home .home-tiers__grid .home-tier:nth-child(3) {
    margin-top: 3.5rem;
  }
}

@media (min-width: 900px) {
  .page-home .home-index__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: clamp(2.5rem, 5vw, 4.5rem);
  }

  .page-home .home-rules__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
    gap: clamp(2.5rem, 5vw, 4rem);
  }

  .page-home .home-band__card {
    flex: 0 0 340px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-home .home-chapter,
  .page-home .home-band__card,
  .page-home .home-stat__num,
  .page-home .home-night__link {
    transition: none;
  }

  .page-home .home-band__card:hover {
    transform: none;
  }
}