.page-disclaimer {
  --doc-measure: 34rem;
  --doc-toc-w: 200px;
  padding: 1.75rem 0 4.5rem;
  background:
    repeating-linear-gradient(90deg, rgba(213, 221, 214, 0.5) 0 1px, transparent 1px 128px),
    var(--mist);
}

.page-disclaimer .crumbs {
  margin-bottom: 1.5rem;
}

.page-disclaimer .doc-head {
  max-width: 46rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--hair);
}

.page-disclaimer .doc-head h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(2rem, 8vw, var(--t-7));
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  margin: 0.35rem 0 0.9rem;
}

.page-disclaimer .doc-head .lede {
  font-size: var(--t-3);
  line-height: 1.8;
  color: var(--ink-mid);
  max-width: var(--doc-measure);
}

.page-disclaimer .doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

/* 章节索引：窄屏为横向滑动条，桌面为左侧固定列 */
.page-disclaimer .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  margin-top: 1.75rem;
}

.page-disclaimer .doc-toc {
  display: flex;
  gap: 0.4rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--hair);
  scrollbar-width: thin;
}

.page-disclaimer .toc-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink-mid);
  font-size: var(--t-2);
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible {
  color: var(--cinnabar);
  border-color: var(--cinnabar);
}

.page-disclaimer .toc-num {
  font-family: var(--mono);
  font-size: var(--t-1);
  letter-spacing: 0.06em;
  color: var(--cinnabar);
}

.page-disclaimer .doc-body {
  max-width: 44rem;
  min-width: 0;
}

.page-disclaimer .doc-sec {
  padding-top: 1.25rem;
  margin-top: 2.25rem;
  border-top: 1px solid var(--hair);
  scroll-margin-top: calc(var(--bar-h) + 1rem);
}

.page-disclaimer .doc-sec:first-child {
  margin-top: 0.5rem;
  padding-top: 0;
  border-top: 0;
}

.page-disclaimer .sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 0.85rem;
}

.page-disclaimer .sec-no {
  font-family: var(--mono);
  font-size: var(--t-1);
  letter-spacing: 0.1em;
  color: var(--cinnabar);
  padding-top: 0.15rem;
}

.page-disclaimer .doc-sec h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.3rem, 4.4vw, var(--t-5));
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  margin: 0;
}

.page-disclaimer .doc-sec p {
  max-width: var(--doc-measure);
  font-size: var(--t-3);
  line-height: 1.8;
  color: var(--ink-mid);
  margin: 0 0 0.9rem;
}

.page-disclaimer .doc-sec a {
  color: var(--ink-deep);
  text-decoration: underline;
  text-decoration-color: var(--cinnabar);
  text-underline-offset: 3px;
}

.page-disclaimer .doc-sec a:hover,
.page-disclaimer .doc-sec a:focus-visible {
  color: var(--cinnabar);
}

/* 用法分类卡 */
.page-disclaimer .usage {
  list-style: none;
  margin: 1.25rem 0 0.5rem;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}

.page-disclaimer .usage li {
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0.9rem 1rem;
}

.page-disclaimer .usage li:first-child {
  border-left: 3px solid var(--cinnabar);
}

.page-disclaimer .usage h3 {
  margin: 0 0 0.35rem;
  font-family: var(--sans);
  font-size: var(--t-3);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink-deep);
}

.page-disclaimer .usage p {
  font-size: var(--t-2);
  line-height: 1.7;
  margin: 0;
  max-width: none;
}

.page-disclaimer .lime-mark {
  background: var(--lime);
  color: var(--carbon);
  padding: 0 0.3em;
  border-radius: 2px;
  font-weight: 500;
}

/* 引用示例带 */
.page-disclaimer .cite-band {
  margin: 1.4rem 0 1.6rem;
  padding: 1rem 1.1rem 1.1rem;
  background: var(--cinnabar-soft);
  border-left: 3px solid var(--cinnabar);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-family: var(--mono);
  font-size: var(--t-2);
  line-height: 1.9;
  color: var(--ink-deep);
}

.page-disclaimer .cite-label {
  display: block;
  font-family: var(--sans);
  font-size: var(--t-1);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--cinnabar);
  margin-bottom: 0.5rem;
}

.page-disclaimer .cite-row {
  display: grid;
  grid-template-columns: 3.6em minmax(0, 1fr);
  gap: 0.5rem;
  border-top: 1px solid rgba(190, 58, 43, 0.22);
  padding-top: 0.3rem;
  margin-top: 0.3rem;
}

.page-disclaimer .cite-row:first-of-type {
  border-top: 0;
}

.page-disclaimer .cite-row > span:first-child {
  color: var(--ink-mid);
}

.page-disclaimer .media-frame {
  margin: 1.5rem 0 1.75rem;
}

.page-disclaimer .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
  background: var(--paper);
}

.page-disclaimer .media-caption {
  margin-top: 0.6rem;
  font-size: var(--t-2);
  line-height: 1.65;
  color: var(--water);
}

/* 条款式列表 */
.page-disclaimer .rules {
  list-style: none;
  margin: 1.1rem 0 1.2rem;
  padding: 0;
  max-width: var(--doc-measure);
}

.page-disclaimer .rules li {
  position: relative;
  padding: 0.7rem 0 0.7rem 1.15rem;
  font-size: var(--t-3);
  line-height: 1.75;
  color: var(--ink-mid);
  border-top: 1px solid var(--hair);
}

.page-disclaimer .rules li:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-disclaimer .rules li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.35rem;
  width: 6px;
  height: 1px;
  background: var(--cinnabar);
}

.page-disclaimer .rules strong {
  color: var(--ink-deep);
  font-weight: 500;
}

/* 展开问答 */
.page-disclaimer .fold-group {
  margin-top: 1.5rem;
  border-top: 1px solid var(--hair);
}

.page-disclaimer .fold {
  border-bottom: 1px solid var(--hair);
}

.page-disclaimer .fold summary {
  padding: 0.85rem 0;
  font-size: var(--t-3);
  line-height: 1.6;
  color: var(--ink-deep);
  cursor: pointer;
  list-style: none;
}

.page-disclaimer .fold summary::-webkit-details-marker {
  display: none;
}

.page-disclaimer .fold summary::before {
  content: "+";
  display: inline-block;
  width: 1.1em;
  font-family: var(--mono);
  color: var(--cinnabar);
}

.page-disclaimer .fold[open] summary::before {
  content: "−";
}

.page-disclaimer .fold summary:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 2px;
}

.page-disclaimer .fold-body {
  padding: 0 0 1rem 1.1em;
}

.page-disclaimer .fold-body p {
  font-size: var(--t-2);
  line-height: 1.75;
  margin: 0;
}

@media (min-width: 900px) {
  .page-disclaimer {
    padding-top: 2.5rem;
  }

  .page-disclaimer .doc-layout {
    grid-template-columns: var(--doc-toc-w) minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-disclaimer .doc-toc {
    position: sticky;
    top: calc(var(--bar-h) + 1.5rem);
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0 0 0 0.9rem;
    border-bottom: 0;
    border-left: 1px solid var(--hair);
  }

  .page-disclaimer .toc-link {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 0.5rem 0;
    white-space: normal;
    font-size: var(--t-2);
    line-height: 1.5;
  }

  .page-disclaimer .toc-link:hover,
  .page-disclaimer .toc-link:focus-visible {
    color: var(--cinnabar);
  }

  .page-disclaimer .doc-sec h2 {
    font-size: var(--t-5);
  }

  .page-disclaimer .cite-band {
    padding: 1.25rem 1.5rem 1.35rem;
    font-size: var(--t-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc-link {
    transition: none;
  }
}
<<<END>>>