.page-disclaimer {
  --disc-gutter: 84px;
  --disc-measure: 680px;
}

/* ---------- 页首：通栏窄幅底纹 + 标题建筑 ---------- */

.page-disclaimer .legal-hero {
  position: relative;
  margin-top: calc(var(--header-h) * -1);
  padding-top: calc(var(--header-h) + var(--space-4));
  padding-bottom: var(--space-5);
  overflow: hidden;
  background: var(--void);
  border-bottom: 1px solid var(--structure);
}

.page-disclaimer .legal-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-disclaimer .legal-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
}

.page-disclaimer .legal-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg,
    rgba(5, 7, 15, 0.55) 0%,
    rgba(5, 7, 15, 0.82) 58%,
    var(--void) 100%);
}

.page-disclaimer .legal-hero__inner {
  position: relative;
  z-index: 2;
}

.page-disclaimer .legal-hero__inner .breadcrumbs {
  margin-bottom: var(--space-4);
}

.page-disclaimer .legal-hero__title {
  margin: var(--space-2) 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.6rem, 7.5vw, 5.4rem);
  line-height: 0.98;
  letter-spacing: 0.01em;
  color: var(--pure-white);
}

.page-disclaimer .legal-hero__lead {
  margin: var(--space-3) 0 0;
  max-width: 44rem;
  color: var(--text-secondary);
}

.page-disclaimer .legal-hero__lead a {
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 240, 224, 0.35);
}

.page-disclaimer .legal-hero__lead a:hover {
  border-bottom-color: var(--signal-cyan);
}

.page-disclaimer .legal-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin: var(--space-4) 0 0;
  padding: var(--space-3) 0 0;
  border-top: 1px solid var(--structure);
  list-style: none;
}

.page-disclaimer .legal-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-disclaimer .legal-hero__meta-key {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--index-blue);
}

.page-disclaimer .legal-hero__meta-val {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}

/* ---------- 正文容器 ---------- */

.page-disclaimer .legal-body {
  padding-top: var(--space-5);
  padding-bottom: var(--space-7);
}

/* ---------- 条款目录 ---------- */

.page-disclaimer .clause-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--structure);
}

.page-disclaimer .clause-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px 8px 12px;
  border: 1px solid var(--structure);
  border-radius: var(--radius-pill);
  font-size: 13px;
  line-height: 1.4;
  color: var(--text-secondary);
  text-decoration: none;
  transition: border-color 120ms var(--ease-out), color 120ms var(--ease-out), background-color 120ms var(--ease-out);
}

.page-disclaimer .clause-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: var(--index-blue);
  transition: color 120ms var(--ease-out);
}

.page-disclaimer .clause-toc__link:hover,
.page-disclaimer .clause-toc__link:focus-visible {
  border-color: var(--signal-cyan);
  color: var(--text-primary);
  background: rgba(77, 240, 224, 0.06);
}

.page-disclaimer .clause-toc__link:hover .clause-toc__num,
.page-disclaimer .clause-toc__link:focus-visible .clause-toc__num {
  color: var(--signal-cyan);
}

.page-disclaimer:has(#clause-01:target) .clause-toc__link[href="#clause-01"],
.page-disclaimer:has(#clause-02:target) .clause-toc__link[href="#clause-02"],
.page-disclaimer:has(#clause-03:target) .clause-toc__link[href="#clause-03"],
.page-disclaimer:has(#clause-04:target) .clause-toc__link[href="#clause-04"],
.page-disclaimer:has(#clause-05:target) .clause-toc__link[href="#clause-05"],
.page-disclaimer:has(#clause-06:target) .clause-toc__link[href="#clause-06"],
.page-disclaimer:has(#clause-07:target) .clause-toc__link[href="#clause-07"] {
  border-color: var(--signal-cyan);
  color: var(--text-primary);
  background: rgba(77, 240, 224, 0.08);
}

.page-disclaimer:has(#clause-01:target) .clause-toc__link[href="#clause-01"] .clause-toc__num,
.page-disclaimer:has(#clause-02:target) .clause-toc__link[href="#clause-02"] .clause-toc__num,
.page-disclaimer:has(#clause-03:target) .clause-toc__link[href="#clause-03"] .clause-toc__num,
.page-disclaimer:has(#clause-04:target) .clause-toc__link[href="#clause-04"] .clause-toc__num,
.page-disclaimer:has(#clause-05:target) .clause-toc__link[href="#clause-05"] .clause-toc__num,
.page-disclaimer:has(#clause-06:target) .clause-toc__link[href="#clause-06"] .clause-toc__num,
.page-disclaimer:has(#clause-07:target) .clause-toc__link[href="#clause-07"] .clause-toc__num {
  color: var(--signal-cyan);
}

/* ---------- 条款册页 ---------- */

.page-disclaimer .clause-list {
  margin-top: var(--space-5);
  border-top: 1px solid var(--structure);
}

.page-disclaimer .clause {
  display: grid;
  grid-template-columns: var(--disc-gutter) minmax(0, 1fr);
  column-gap: var(--space-3);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--structure);
  scroll-margin-top: calc(var(--header-h) + 28px);
  transition: background-color 240ms var(--ease-out);
}

.page-disclaimer .clause__index {
  padding-top: 0.5em;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.2em;
  font-variant-numeric: tabular-nums;
  color: var(--index-blue);
  transition: color 240ms var(--ease-out);
}

.page-disclaimer .clause__body {
  max-width: var(--disc-measure);
}

.page-disclaimer .clause__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--pure-white);
  transition: color 240ms var(--ease-out);
}

.page-disclaimer .clause__body p {
  margin: 0 0 var(--space-2);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--text-secondary);
}

.page-disclaimer .clause__body p:last-child {
  margin-bottom: 0;
}

.page-disclaimer .clause__body a:not(.btn) {
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 240, 224, 0.35);
  transition: border-color 120ms var(--ease-out);
}

.page-disclaimer .clause__body a:not(.btn):hover {
  border-bottom-color: var(--signal-cyan);
}

.page-disclaimer .clause__body .em {
  color: var(--pure-white);
}

.page-disclaimer .clause:target {
  background-image: linear-gradient(90deg, rgba(77, 240, 224, 0.08), rgba(77, 240, 224, 0) 64%);
}

.page-disclaimer .clause:target .clause__title,
.page-disclaimer .clause:target .clause__index {
  color: var(--signal-cyan);
}

/* ---------- 条款内的口径提示与展开说明 ---------- */

.page-disclaimer .clause-quote {
  margin: var(--space-3) 0;
  padding: 2px 0 2px var(--space-3);
  border-left: 1px solid var(--signal-cyan);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-primary);
}

.page-disclaimer .clause-more {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--structure);
}

.page-disclaimer .clause-more > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--index-blue);
  list-style: none;
}

.page-disclaimer .clause-more > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .clause-more > summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--signal-cyan);
  transition: transform 180ms var(--ease-out);
}

.page-disclaimer .clause-more[open] > summary::before {
  transform: rotate(45deg);
}

.page-disclaimer .clause-more > summary:hover {
  color: var(--text-primary);
}

.page-disclaimer .clause-more p {
  margin: var(--space-2) 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* ---------- 条款动作区与尾注 ---------- */

.page-disclaimer .clause-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
  margin-top: var(--space-3);
}

.page-disclaimer .legal-foot {
  margin-top: var(--space-5);
  padding-top: var(--space-3);
  border-top: 1px solid var(--structure);
  font-size: 0.9375rem;
  line-height: 1.75;
}

/* ---------- 响应式 ---------- */

@media (max-width: 900px) {
  .page-disclaimer {
    --disc-gutter: 60px;
    --disc-measure: 100%;
  }

  .page-disclaimer .legal-hero__meta {
    gap: var(--space-2) var(--space-3);
  }
}

@media (max-width: 620px) {
  .page-disclaimer {
    --disc-gutter: 40px;
  }

  .page-disclaimer .legal-hero {
    padding-bottom: var(--space-4);
  }

  .page-disclaimer .legal-hero__inner .breadcrumbs {
    margin-bottom: var(--space-3);
  }

  .page-disclaimer .clause {
    column-gap: var(--space-2);
    padding: var(--space-3) 0;
  }

  .page-disclaimer .clause__index {
    font-size: 12px;
    letter-spacing: 0.14em;
    padding-top: 0.6em;
  }

  .page-disclaimer .clause__body p {
    font-size: 1rem;
    line-height: 1.8;
  }

  .page-disclaimer .clause-toc {
    gap: 8px;
  }

  .page-disclaimer .clause-toc__link {
    padding: 7px 13px 7px 10px;
    font-size: 12px;
  }

  .page-disclaimer .clause-actions {
    gap: var(--space-2);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .clause,
  .page-disclaimer .clause__title,
  .page-disclaimer .clause__index,
  .page-disclaimer .clause-toc__link,
  .page-disclaimer .clause-toc__num,
  .page-disclaimer .clause-more > summary::before {
    transition: none;
  }
}