.page-disclaimer {
  --dt-rail: 88px;
  --dt-gauge-w: 92px;
  background-color: var(--color-surface);
}

.page-disclaimer .dt-crumb {
  padding-top: var(--space-3);
}

/* ---------- 首屏引言 ---------- */
.page-disclaimer .dt-intro {
  position: relative;
  background-image: linear-gradient(
    180deg,
    var(--color-primary-soft) 0%,
    color-mix(in srgb, var(--color-highlight) 42%, var(--color-surface)) 58%,
    var(--color-surface) 100%
  );
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-disclaimer .dt-intro__grid {
  align-items: start;
  row-gap: var(--space-4);
}

.page-disclaimer .dt-title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-disclaimer .dt-intro__lead .lede {
  max-width: var(--measure);
}

.page-disclaimer .dt-intro__lead .muted {
  max-width: var(--measure);
  margin-top: var(--space-2);
}

.page-disclaimer .dt-intro__lead a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-disclaimer .dt-intro__lead a:hover,
.page-disclaimer .dt-intro__lead a:focus-visible {
  color: var(--color-accent);
}

.page-disclaimer .dt-facts {
  border-top: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-2);
}

.page-disclaimer .dt-facts__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  padding: var(--space-1) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-disclaimer .dt-facts__k {
  flex: 0 0 82px;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.06em;
}

.page-disclaimer .dt-facts__v {
  flex: 1 1 auto;
  font-size: var(--text-sm);
  color: var(--color-ink);
}

/* ---------- 窄幅横幅 ---------- */
.page-disclaimer .dt-plate__fig {
  margin: 0;
}

.page-disclaimer .dt-plate__fig .media-frame__img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 章节索引 ---------- */
.page-disclaimer .dt-index .eyebrow {
  margin-bottom: var(--space-3);
}

.page-disclaimer .dt-index__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-disclaimer .dt-index__label {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-primary);
  letter-spacing: 0.08em;
}

.page-disclaimer .dt-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dt-index__link {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-1) 0 var(--space-1) var(--space-2);
  border-left: var(--border-thin) solid var(--color-line);
  color: var(--color-ink);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: border-color 180ms ease, background-color 180ms ease;
}

.page-disclaimer .dt-index__link:hover,
.page-disclaimer .dt-index__link:focus-visible {
  border-left-color: var(--color-accent);
  background-color: var(--color-highlight);
}

.page-disclaimer .dt-index__num {
  flex: 0 0 auto;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

/* ---------- 条款正文 ---------- */
.page-disclaimer .dt-clauses__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

.page-disclaimer .dt-clauses__main {
  min-width: 0;
}

.page-disclaimer .dt-clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-4) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-disclaimer .dt-clause:first-child {
  border-top-color: var(--color-primary);
}

.page-disclaimer .dt-clause__rail {
  display: flex;
  align-items: flex-start;
}

.page-disclaimer .dt-clause__num {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.12em;
  color: var(--color-accent);
}

.page-disclaimer .dt-clause__content {
  max-width: 68ch;
  min-width: 0;
}

.page-disclaimer .dt-clause__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-disclaimer .dt-clause__content p {
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
}

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

.page-disclaimer .dt-clause__content .emph--accent {
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-accent);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.page-disclaimer .dt-clause__content a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-disclaimer .dt-clause__content a:hover,
.page-disclaimer .dt-clause__content a:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- 轮次刻度 ---------- */
.page-disclaimer .dt-gauge {
  display: none;
}

.page-disclaimer .dt-gauge__title {
  margin: 0 0 var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.08em;
  writing-mode: horizontal-tb;
}

.page-disclaimer .dt-gauge__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-disclaimer .dt-gauge__item {
  position: relative;
  display: flex;
  align-items: center;
}

.page-disclaimer .dt-gauge__mark {
  display: block;
  width: 34px;
  height: 2px;
  background-color: var(--color-line);
  transition: background-color 180ms ease, width 180ms ease;
}

.page-disclaimer .dt-gauge__item:hover .dt-gauge__mark,
.page-disclaimer .dt-gauge__item:focus-within .dt-gauge__mark {
  background-color: var(--color-primary);
  width: 46px;
}

.page-disclaimer .dt-gauge__item--current .dt-gauge__mark {
  background-color: var(--color-accent);
  height: 3px;
  width: 46px;
}

.page-disclaimer .dt-gauge__hint {
  position: absolute;
  right: calc(100% + var(--space-2));
  top: 50%;
  transform: translateY(-50%);
  width: max-content;
  max-width: 260px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-size: var(--text-xs);
  line-height: 1.5;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 180ms ease;
  z-index: 2;
}

.page-disclaimer .dt-gauge__item:hover .dt-gauge__hint,
.page-disclaimer .dt-gauge__item:focus-within .dt-gauge__hint {
  opacity: 1;
  visibility: visible;
}

.page-disclaimer .dt-gauge__foot {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.08em;
}

/* ---------- 切换带与收尾 ---------- */
.page-disclaimer .dt-switch {
  height: 3px;
}

.page-disclaimer .dt-closing {
  background-color: var(--color-surface-alt);
}

.page-disclaimer .dt-closing__title {
  margin: var(--space-2) 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-disclaimer .dt-closing p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-disclaimer .dt-closing__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

/* ---------- 焦点态 ---------- */
.page-disclaimer a:focus-visible,
.page-disclaimer .dt-gauge__item:focus-within {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-disclaimer .dt-clause {
    grid-template-columns: var(--dt-rail) minmax(0, 1fr);
    gap: var(--space-4);
  }

  .page-disclaimer .dt-clause__num {
    padding-left: var(--space-2);
    border-left: var(--border-thick) solid var(--color-accent);
  }
}

@media (min-width: 768px) {
  .page-disclaimer .dt-index__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-disclaimer .dt-intro {
    padding-top: var(--space-6);
  }

  .page-disclaimer .dt-clauses__layout {
    grid-template-columns: minmax(0, 1fr) var(--dt-gauge-w);
    gap: var(--space-6);
  }

  .page-disclaimer .dt-gauge {
    display: block;
    position: sticky;
    top: var(--space-8);
    align-self: start;
    padding-left: var(--space-2);
    border-left: var(--border-thin) solid var(--color-line);
  }
}

@media (min-width: 1200px) {
  .page-disclaimer .dt-clause {
    padding: var(--space-6) 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dt-index__link,
  .page-disclaimer .dt-gauge__mark,
  .page-disclaimer .dt-gauge__hint {
    transition: none;
  }
}