.page-disclaimer {
  --dsc-gold-ink: #8a6a22;
  --dsc-cyan-ink: #0e6a62;
  --dsc-coral-ink: #a8462f;
  --dsc-rule: var(--gold);
  --dsc-hint: var(--cyan);
  --dsc-limit: var(--coral);
  --dsc-toc-top: calc(var(--header-h) + 4.75rem);
  background: var(--ink-900);
  color: var(--text-light);
}

/* ---------- 首屏 ---------- */

.page-disclaimer__hero {
  position: relative;
  padding-block: clamp(1.75rem, 4.5vw, 2.75rem) clamp(2rem, 5vw, 3.25rem);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(42, 74, 98, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(42, 74, 98, 0.5) 1px, transparent 1px);
  background-size: 88px 88px;
  border-bottom: 1px solid var(--line);
}

.page-disclaimer__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-disclaimer__hero-copy .lede {
  max-width: 40rem;
}

.page-disclaimer__hero-cta {
  margin: 0;
  padding-top: 0.25rem;
}

.page-disclaimer__shot {
  border: 1px solid var(--line);
  background: var(--ink-700);
}

.page-disclaimer__shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 吸顶信息带 ---------- */

.page-disclaimer__band {
  position: sticky;
  top: var(--header-h);
  z-index: 25;
  background: var(--ink-700);
  border-top: 8px solid var(--gold);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 12px 26px rgba(7, 20, 31, 0.55);
}

.page-disclaimer__band-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 1.35rem;
  padding-block: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  color: var(--muted);
}

.page-disclaimer__band-item {
  display: inline-flex;
  align-items: baseline;
  gap: 0.42rem;
  white-space: nowrap;
}

.page-disclaimer__band-label {
  color: var(--muted);
}

.page-disclaimer__band-value {
  color: var(--gold-soft);
}

.page-disclaimer__band-value--cyan {
  color: var(--cyan);
}

/* ---------- 条款主体 ---------- */

.page-disclaimer__body {
  background: var(--ink-700);
}

.page-disclaimer__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 1.75rem);
}

.page-disclaimer__toc {
  border: 1px solid var(--line);
  background: rgba(7, 20, 31, 0.45);
  padding: 0.85rem 0.9rem 1rem;
}

.page-disclaimer__toc-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-disclaimer__toc-list {
  list-style: none;
  margin: 0.65rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.4rem;
}

.page-disclaimer .page-disclaimer__toc-link {
  display: flex;
  align-items: baseline;
  gap: 0.48rem;
  padding: 0.45rem 0.5rem;
  border: 1px solid var(--line);
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.8rem;
  line-height: 1.35;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-disclaimer .page-disclaimer__toc-link:hover,
.page-disclaimer .page-disclaimer__toc-link:focus-visible {
  border-color: var(--gold-soft);
  color: var(--gold-soft);
}

.page-disclaimer .page-disclaimer__toc-link[aria-current="true"] {
  border-color: var(--gold);
  color: var(--gold-soft);
  background: rgba(200, 162, 74, 0.1);
}

.page-disclaimer__toc-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--gold);
  flex: 0 0 auto;
}

.page-disclaimer__clauses {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

.page-disclaimer__clause {
  background: var(--paper);
  color: var(--ink-brown);
  border-left: 3px solid var(--dsc-rule);
  scroll-margin-top: calc(var(--header-h) + 5rem);
  transition: border-color 180ms var(--ease);
}

.page-disclaimer__clause--hint {
  border-left-color: var(--dsc-hint);
}

.page-disclaimer__clause--limit {
  border-left-color: var(--dsc-limit);
}

.page-disclaimer__clause--limit:hover {
  border-left-color: var(--dsc-coral-ink);
}

.page-disclaimer__clause > details > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.85rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid rgba(36, 28, 20, 0.14);
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-disclaimer__clause > details > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer__clause > details > summary::marker {
  content: "";
}

.page-disclaimer__clause > details > summary:hover {
  background: rgba(36, 28, 20, 0.05);
}

.page-disclaimer__clause > details > summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--ink-brown);
  opacity: 0.55;
}

.page-disclaimer__clause > details[open] > summary::after {
  content: "－";
}

.page-disclaimer__clause > details[open] > summary {
  border-bottom-color: rgba(36, 28, 20, 0.24);
}

.page-disclaimer__num {
  flex: 0 0 auto;
  min-width: 2.3ch;
  font-family: var(--font-mono);
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1;
  color: var(--dsc-gold-ink);
}

.page-disclaimer__clause-title {
  flex: 1 1 14ch;
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.4;
  color: var(--ink-brown);
}

.page-disclaimer__kind {
  align-self: center;
  flex: 0 0 auto;
  padding: 0.16rem 0.46rem;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--dsc-gold-ink);
  white-space: nowrap;
}

.page-disclaimer__kind--hint {
  color: var(--dsc-cyan-ink);
}

.page-disclaimer__kind--limit {
  color: var(--dsc-coral-ink);
}

.page-disclaimer__clause-body {
  padding: 0.95rem 1.1rem 1.25rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--ink-brown);
}

.page-disclaimer__clause-body p {
  margin: 0 0 0.75rem;
}

.page-disclaimer__clause-body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer__clause-body a {
  color: var(--dsc-cyan-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 180ms var(--ease);
}

.page-disclaimer__clause-body a:hover,
.page-disclaimer__clause-body a:focus-visible {
  color: #0a4a44;
}

.page-disclaimer__points {
  list-style: none;
  margin: 0 0 0.9rem;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-disclaimer__point {
  display: grid;
  grid-template-columns: 1.55rem minmax(0, 1fr);
  gap: 0.55rem;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(36, 28, 20, 0.13);
}

.page-disclaimer__point:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer__letter {
  padding-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--dsc-gold-ink);
}

.page-disclaimer__point-title {
  margin: 0 0 0.15rem;
  font-family: var(--font-display);
  font-size: 0.97rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-brown);
}

.page-disclaimer__point div > p {
  margin: 0;
}

/* ---------- 收尾 ---------- */

.page-disclaimer__outro {
  background: var(--ink-900);
  border-top: 8px solid var(--gold);
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
}

.page-disclaimer__outro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-disclaimer__outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 断点 ---------- */

@media (min-width: 700px) {
  .page-disclaimer__clause-body {
    padding-left: 3.4rem;
  }
}

@media (min-width: 860px) {
  .page-disclaimer__outro-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: end;
    gap: 2.75rem;
  }

  .page-disclaimer__outro-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-disclaimer__hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }
}

@media (min-width: 1000px) {
  .page-disclaimer__layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.25rem);
    align-items: start;
  }

  .page-disclaimer__toc {
    position: sticky;
    top: var(--dsc-toc-top);
  }

  .page-disclaimer__toc-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.32rem;
  }

  .page-disclaimer__num {
    font-size: 1.6rem;
  }

  .page-disclaimer__clause-title {
    font-size: 1.2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .page-disclaimer__toc-link,
  .page-disclaimer__clause,
  .page-disclaimer__clause > details > summary,
  .page-disclaimer__clause-body a {
    transition: none;
  }
}