.page-disclaimer {
  --rule-line: rgba(169, 181, 173, .26);
  --rule-line-strong: rgba(169, 181, 173, .55);
  background: var(--ink);
  color: var(--chalk);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 页头规则牌 ---------- */
.page-disclaimer .rules-head {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 2px solid var(--rule-line-strong);
  background:
    radial-gradient(130% 100% at 82% -12%, rgba(24, 224, 122, .22), transparent 62%),
    linear-gradient(180deg, var(--deep) 0%, var(--ink) 94%);
  padding-block: clamp(22px, 4.5vw, 44px) clamp(28px, 5.5vw, 60px);
}

.page-disclaimer .rules-head__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  filter: grayscale(1) contrast(1.22);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
  pointer-events: none;
}

.page-disclaimer .rules-head__inner {
  display: grid;
  gap: clamp(14px, 2.2vw, 20px);
  justify-items: start;
}

.page-disclaimer .rules-head__title {
  margin: 0;
  max-width: 22ch;
  font-size: clamp(1.85rem, 5.2vw, 3.05rem);
  line-height: 1.22;
  letter-spacing: -.01em;
}

.page-disclaimer .rules-head__lede {
  max-width: 62ch;
  margin: 0;
  color: rgba(243, 246, 242, .82);
}

/* 版本号牌 */
.page-disclaimer .rules-version {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 26px);
  margin-top: clamp(10px, 2vw, 18px);
  padding: clamp(14px, 2.4vw, 20px) clamp(16px, 3vw, 26px);
  border: 2px solid var(--rule-line-strong);
  background: rgba(14, 34, 51, .78);
  box-shadow: 6px 6px 0 rgba(8, 11, 10, .92);
}

.page-disclaimer .rules-version__num {
  margin: 0;
  padding-right: clamp(14px, 3vw, 26px);
  border-right: 2px solid var(--rule-line);
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 9vw, 4.2rem);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.02em;
  color: var(--lime);
  transition: color .2s var(--ease), text-shadow .2s var(--ease);
}

.page-disclaimer .rules-version__num:hover,
.page-disclaimer .rules-version__num:focus-visible {
  color: var(--pitch);
  text-shadow: 0 0 20px rgba(24, 224, 122, .5);
}

.page-disclaimer .rules-version__text {
  min-width: 0;
}

.page-disclaimer .rules-version__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--pitch);
}

.page-disclaimer .rules-version__hint {
  margin: 6px 0 0;
  font-size: .84rem;
  line-height: 1.55;
  color: var(--silver);
  transition: color .2s var(--ease);
}

.page-disclaimer .rules-version__num:hover ~ .rules-version__text .rules-version__hint,
.page-disclaimer .rules-version__num:focus-visible ~ .rules-version__text .rules-version__hint {
  color: var(--lime);
}

/* ---------- 主体：目录 + 条款 ---------- */
.page-disclaimer .rules-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
  padding-top: clamp(28px, 5vw, 56px);
}

.page-disclaimer .rules-toc {
  min-width: 0;
  align-self: start;
  padding: clamp(16px, 2.5vw, 22px);
  border: 2px solid var(--rule-line);
  background: var(--deep);
  box-shadow: 6px 6px 0 rgba(8, 11, 10, .85);
}

.page-disclaimer .rules-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--pitch);
}

.page-disclaimer .rules-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-disclaimer .rules-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--chalk);
  font-size: .92rem;
  line-height: 1.5;
  text-decoration: none;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-disclaimer .rules-toc__list a .mono {
  flex: none;
  color: var(--silver);
  font-size: .76rem;
  transition: color .18s var(--ease);
}

.page-disclaimer .rules-toc__list a:hover,
.page-disclaimer .rules-toc__list a:focus-visible {
  background: rgba(24, 224, 122, .1);
  border-left-color: var(--pitch);
  color: var(--lime);
}

.page-disclaimer .rules-toc__list a:hover .mono,
.page-disclaimer .rules-toc__list a:focus-visible .mono {
  color: var(--pitch);
}

.page-disclaimer .rules-toc__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--rule-line);
  font-size: .8rem;
  line-height: 1.6;
  color: var(--silver);
}

/* 条款堆叠 */
.page-disclaimer .rules-stack {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
  min-width: 0;
}

.page-disclaimer .rule-card {
  --accent: var(--pitch);
  min-width: 0;
  scroll-margin-top: 100px;
  border: 2px solid var(--rule-line);
  background: var(--turf);
  box-shadow: 8px 8px 0 rgba(8, 11, 10, .85);
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-disclaimer .rule-card:nth-child(2) { --accent: var(--tactical); }
.page-disclaimer .rule-card:nth-child(3) { --accent: var(--orange); }
.page-disclaimer .rule-card:nth-child(4) { --accent: var(--lime); }
.page-disclaimer .rule-card:nth-child(5) { --accent: var(--silver); }
.page-disclaimer .rule-card:nth-child(6) { --accent: var(--pitch); }

.page-disclaimer .rule-card:hover,
.page-disclaimer .rule-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--rule-line-strong);
  box-shadow: 11px 11px 0 rgba(8, 11, 10, .92);
}

.page-disclaimer .rule-card:target {
  border-color: var(--accent);
  box-shadow: 10px 10px 0 rgba(196, 255, 74, .18);
}

.page-disclaimer .rule-card__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: clamp(15px, 2.4vw, 22px) clamp(17px, 3vw, 28px);
  border-bottom: 2px solid var(--rule-line);
  background: linear-gradient(90deg, rgba(24, 224, 122, .09), transparent 72%);
}

.page-disclaimer .rule-card__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 2.6vw, 1.85rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--accent);
}

.page-disclaimer .rule-card h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.12rem, 2.2vw, 1.5rem);
  font-weight: 700;
  line-height: 1.35;
}

.page-disclaimer .rule-card__body {
  display: grid;
  gap: 14px;
  padding: clamp(17px, 3vw, 28px);
}

.page-disclaimer .rule-card__body p {
  margin: 0;
  max-width: 64ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(243, 246, 242, .88);
}

.page-disclaimer .rule-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-disclaimer .rule-list li {
  position: relative;
  padding-left: 20px;
  max-width: 64ch;
  font-size: .95rem;
  line-height: 1.72;
  color: rgba(243, 246, 242, .78);
}

.page-disclaimer .rule-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 11px;
  height: 2px;
  background: var(--accent);
}

.page-disclaimer .num-hi {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--lime);
}

.page-disclaimer .rule-link {
  color: var(--lime);
  text-decoration: underline;
  text-decoration-color: rgba(196, 255, 74, .5);
  text-underline-offset: 3px;
  transition: color .18s var(--ease), text-decoration-color .18s var(--ease);
}

.page-disclaimer .rule-link:hover,
.page-disclaimer .rule-link:focus-visible {
  color: var(--pitch);
  text-decoration-color: var(--pitch);
}

/* ---------- 收尾链接 ---------- */
.page-disclaimer .rules-links {
  margin-top: clamp(32px, 5.5vw, 60px);
  padding-top: clamp(24px, 4vw, 36px);
  border-top: 2px solid var(--rule-line-strong);
}

.page-disclaimer .rules-links__title {
  margin: 0 0 clamp(16px, 2.5vw, 24px);
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3vw, 1.8rem);
  line-height: 1.3;
}

.page-disclaimer .rules-links__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(12px, 2vw, 18px);
}

.page-disclaimer .rules-link-card {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2.4vw, 22px);
  border: 2px solid var(--rule-line);
  background: var(--deep);
  color: var(--chalk);
  text-decoration: none;
  box-shadow: 5px 5px 0 rgba(8, 11, 10, .85);
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-disclaimer .rules-link-card:hover,
.page-disclaimer .rules-link-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--pitch);
  box-shadow: 8px 8px 0 rgba(24, 224, 122, .16);
}

.page-disclaimer .rules-link-card__tag {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--orange);
}

.page-disclaimer .rules-link-card__text {
  font-size: .93rem;
  line-height: 1.65;
  color: rgba(243, 246, 242, .84);
}

.page-disclaimer .rules-link-card__go {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--pitch);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-disclaimer .rules-links__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-disclaimer .rules-body {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-disclaimer .rules-toc {
    position: sticky;
    top: 96px;
  }

  .page-disclaimer .rules-version {
    padding-right: clamp(22px, 3vw, 34px);
  }
}

@media (min-width: 1180px) {
  .page-disclaimer .rules-body {
    grid-template-columns: 276px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .rule-card,
  .page-disclaimer .rules-link-card,
  .page-disclaimer .rules-version__num {
    transition: none;
  }

  .page-disclaimer .rule-card:hover,
  .page-disclaimer .rules-link-card:hover {
    transform: none;
  }
}