.page-disclaimer {
  --doc-side: 144px;
  --doc-list-width: 46em;
  padding-bottom: 96px;
}

/* 通栏视觉带 */
.page-disclaimer .doc-band {
  margin-top: 10px;
}

.page-disclaimer .doc-band-figure {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-disclaimer .doc-band-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-disclaimer .doc-ridge {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 46%;
  display: block;
  pointer-events: none;
}

.page-disclaimer .doc-ridge path {
  fill: none;
  stroke: rgba(255, 255, 255, 0.34);
  stroke-width: 1.4;
  vector-effect: non-scaling-stroke;
}

/* 首屏导语 */
.page-disclaimer .doc-intro {
  margin-top: 40px;
}

.page-disclaimer .doc-intro h1 {
  margin: 14px 0 0;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink);
  max-width: 20em;
}

.page-disclaimer .doc-intro .lede {
  margin: 18px 0 0;
  max-width: var(--doc-list-width);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-disclaimer .doc-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  font-size: 13px;
  color: var(--rock);
  letter-spacing: 0.04em;
}

.page-disclaimer .doc-meta-sep {
  display: block;
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, var(--saffron), var(--gold));
}

/* 文档骨架：正文 + 右侧窄留白 */
.page-disclaimer .doc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  margin-top: 44px;
}

.page-disclaimer .doc-rail {
  display: none;
}

/* 章节折叠 */
.page-disclaimer .legal-chapter {
  border-top: 1px solid var(--line);
}

.page-disclaimer .legal-chapter:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-disclaimer .legal-chapter > summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  transition: background-color 0.2s var(--ease);
}

.page-disclaimer .legal-chapter > summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .legal-chapter > summary::marker {
  content: "";
}

.page-disclaimer .legal-chapter > summary:hover,
.page-disclaimer .legal-chapter > summary:focus-visible {
  background: rgba(10, 110, 189, 0.05);
}

.page-disclaimer .legal-chapter > summary:focus-visible {
  outline: 2px solid var(--saffron);
  outline-offset: -2px;
}

.page-disclaimer .chapter-num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 30px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold-deep);
  background: rgba(232, 163, 23, 0.16);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
}

.page-disclaimer .chapter-head {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-disclaimer .chapter-toggle {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
}

.page-disclaimer .chapter-toggle::before,
.page-disclaimer .chapter-toggle::after {
  content: "";
  position: absolute;
  background: var(--rock);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.page-disclaimer .chapter-toggle::before {
  left: 0;
  right: 0;
  top: 8px;
  height: 2px;
}

.page-disclaimer .chapter-toggle::after {
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
}

.page-disclaimer .legal-chapter[open] .chapter-toggle::after {
  transform: scaleY(0);
  opacity: 0;
}

/* 章节正文 */
.page-disclaimer .legal-chapter .fold-body {
  padding: 0 4px 30px 58px;
}

.page-disclaimer .chapter-lede {
  margin: 0 0 16px;
  max-width: var(--doc-list-width);
  padding: 12px 16px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
  background: rgba(200, 16, 46, 0.05);
  border-left: 2px solid var(--saffron);
}

.page-disclaimer .clause-list {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: clause;
  max-width: var(--doc-list-width);
}

.page-disclaimer .clause-list li {
  position: relative;
  counter-increment: clause;
  padding: 11px 0 11px 34px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink-soft);
  border-bottom: 1px dashed var(--line);
}

.page-disclaimer .clause-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-disclaimer .clause-list li::before {
  content: counter(clause, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 13px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--rock);
}

.page-disclaimer .clause-list a {
  color: var(--sky);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-disclaimer .clause-list a:hover,
.page-disclaimer .clause-list a:focus-visible {
  color: var(--saffron);
}

.page-disclaimer .clause-list a:focus-visible {
  outline: 2px solid var(--saffron);
  outline-offset: 2px;
}

.page-disclaimer .clause-list .mono {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ink);
}

/* 平板及以上 */
@media (min-width: 700px) {
  .page-disclaimer .doc-intro {
    margin-top: 52px;
  }

  .page-disclaimer .doc-intro h1 {
    font-size: 40px;
    max-width: 18em;
  }

  .page-disclaimer .doc-intro .lede {
    font-size: 17px;
  }

  .page-disclaimer .chapter-head {
    font-size: 19px;
  }

  .page-disclaimer .legal-chapter > summary {
    padding: 24px 4px;
  }
}

/* 桌面：正文 + 窄留白栏 */
@media (min-width: 1024px) {
  .page-disclaimer .doc-grid {
    grid-template-columns: minmax(0, 1fr) var(--doc-side);
    gap: 60px;
    margin-top: 56px;
  }

  .page-disclaimer .doc-rail {
    display: block;
    position: relative;
    border-left: 1px solid var(--line);
    padding-left: 26px;
  }

  .page-disclaimer .doc-rail::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 0;
    width: 2px;
    height: 72px;
    background: linear-gradient(180deg, var(--saffron), var(--gold));
  }

  .page-disclaimer .doc-rail::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--line), transparent);
  }

  .page-disclaimer .doc-intro h1 {
    font-size: 44px;
  }
}

@media (min-width: 1240px) {
  .page-disclaimer .doc-band-figure {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), calc(100% - 34px) 100%, 0 100%);
  }
}

/* 窄屏收敛 */
@media (max-width: 560px) {
  .page-disclaimer .legal-chapter .fold-body {
    padding-left: 4px;
  }

  .page-disclaimer .chapter-lede {
    padding: 10px 12px;
  }

  .page-disclaimer .clause-list li {
    padding-left: 28px;
  }

  .page-disclaimer .doc-intro h1 {
    font-size: 27px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .chapter-toggle::before,
  .page-disclaimer .chapter-toggle::after,
  .page-disclaimer .legal-chapter > summary {
    transition: none;
  }
}