.page-disclaimer {
  --dsc-hang: calc(var(--space-4) * 5);
  --dsc-shift: var(--space-3);
  display: block;
}

/* ---------- 页首 ---------- */
.page-disclaimer .dsc-head {
  padding-block: var(--space-8) var(--space-6);
  background: var(--color-surface);
}

.page-disclaimer .dsc-head__title {
  margin-top: var(--space-2);
  max-width: 24ch;
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-heading);
  line-height: 1.08;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-disclaimer .dsc-head__lede {
  margin-top: var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-disclaimer .dsc-facts {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-disclaimer .dsc-facts__item {
  margin: 0;
}

.page-disclaimer .dsc-facts__k {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-disclaimer .dsc-facts__v {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink);
}

/* ---------- 页首抽象纹理 ---------- */
.page-disclaimer .dsc-texture {
  margin: 0;
  border-radius: 0;
  overflow: hidden;
  background: var(--color-surface-alt);
}

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

.page-disclaimer .dsc-texture .media-frame__caption {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
  background: var(--color-surface-alt);
}

/* ---------- 正文与索引两栏 ---------- */
.page-disclaimer .dsc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  padding-block: var(--section-y);
  background: var(--color-surface);
}

/* ---------- 条款索引 ---------- */
.page-disclaimer .dsc-toc__title {
  margin-bottom: var(--space-2);
}

.page-disclaimer .dsc-toc__group + .dsc-toc__group {
  margin-top: var(--space-3);
}

.page-disclaimer .dsc-toc__label {
  margin: 0 0 var(--space-1);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-disclaimer .dsc-toc__list {
  display: grid;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dsc-toc__list .toc__link {
  display: block;
  padding: var(--space-1) 0 var(--space-1) var(--space-2);
  border-inline-start: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-disclaimer .dsc-toc__list .toc__link:hover,
.page-disclaimer .dsc-toc__list .toc__link:focus-visible {
  color: var(--color-ink);
  border-inline-start-color: var(--color-primary);
}

.page-disclaimer .dsc-toc__list .toc__link[aria-current] {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
}

/* ---------- 分组与条款 ---------- */
.page-disclaimer .dsc-part + .dsc-part {
  margin-top: var(--space-8);
}

.page-disclaimer .dsc-part__label {
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}

.page-disclaimer .dsc-clauses {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dsc-clause {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
}

.page-disclaimer .dsc-clause--alt {
  background: var(--color-surface-alt);
}

.page-disclaimer .dsc-clause__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
}

.page-disclaimer .dsc-clause__no {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

.page-disclaimer .dsc-clause__title {
  margin: var(--space-1) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-disclaimer .dsc-clause__body > p {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-disclaimer .dsc-clause__body > p + p,
.page-disclaimer .dsc-clause__body > p + .dsc-note {
  margin-top: var(--space-2);
}

/* ---------- 要点列表 ---------- */
.page-disclaimer .dsc-points {
  display: grid;
  gap: var(--space-1);
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .dsc-points li {
  position: relative;
  padding-inline-start: var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-disclaimer .dsc-points li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.72em;
  width: var(--space-1);
  height: var(--border-thin);
  background: var(--color-primary);
}

.page-disclaimer .dsc-points a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.page-disclaimer .dsc-points a:hover,
.page-disclaimer .dsc-points a:focus-visible {
  color: var(--color-focus);
}

/* ---------- 关键提示窄条 ---------- */
.page-disclaimer .dsc-note {
  max-width: var(--measure);
  margin-top: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-inline-start: var(--border-thin) solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: var(--color-highlight);
  transition: box-shadow 180ms ease;
}

.page-disclaimer .dsc-note:hover,
.page-disclaimer .dsc-note:focus {
  box-shadow: var(--shadow-1);
  outline: none;
}

.page-disclaimer .dsc-note:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-disclaimer .dsc-note__lead {
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.5;
  color: var(--color-ink);
}

.page-disclaimer .dsc-note__more {
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  transition: color 180ms ease;
}

.page-disclaimer .dsc-note:hover .dsc-note__more,
.page-disclaimer .dsc-note:focus .dsc-note__more {
  color: var(--color-ink);
}

/* ---------- 收束出口 ---------- */
.page-disclaimer .dsc-exit {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
}

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

.page-disclaimer .dsc-exit__text {
  margin-top: var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-disclaimer .dsc-exit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-disclaimer .dsc-exit__actions .btn {
  flex: 0 1 auto;
}

/* ---------- 更大屏幕 ---------- */
@media (min-width: 768px) {
  .page-disclaimer .dsc-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-disclaimer .dsc-clause__grid {
    grid-template-columns: var(--dsc-hang) minmax(0, 1fr);
    column-gap: var(--space-4);
  }

  .page-disclaimer .dsc-clause__head {
    padding-top: 0.2em;
  }

  .page-disclaimer .dsc-exit {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    column-gap: var(--space-6);
  }
}

@media (min-width: 1000px) {
  .page-disclaimer .dsc-layout {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    column-gap: var(--space-8);
    align-items: start;
  }

  .page-disclaimer .dsc-toc {
    position: sticky;
    top: calc(var(--space-8) + var(--space-2));
  }

  .page-disclaimer .dsc-clause--alt {
    margin-inline-start: calc(var(--dsc-shift) * -1);
    padding-inline-start: calc(var(--space-4) + var(--dsc-shift));
  }

  .page-disclaimer .dsc-head__title {
    max-width: 20ch;
  }
}

@media (min-width: 1240px) {
  .page-disclaimer .dsc-clause--alt {
    margin-inline-end: calc(var(--dsc-shift) * -1);
    padding-inline-end: calc(var(--space-4) + var(--dsc-shift));
  }
}

/* ---------- 小屏适配 ---------- */
@media (max-width: 767px) {
  .page-disclaimer .dsc-head {
    padding-block: var(--space-6) var(--space-4);
  }

  .page-disclaimer .dsc-head__title {
    font-size: var(--text-3xl);
    max-width: none;
  }

  .page-disclaimer .dsc-clause {
    padding: var(--space-3);
  }

  .page-disclaimer .dsc-clause__title {
    font-size: var(--text-lg);
  }

  .page-disclaimer .dsc-part + .dsc-part {
    margin-top: var(--space-6);
  }

  .page-disclaimer .dsc-exit__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .dsc-note,
  .page-disclaimer .dsc-note__more,
  .page-disclaimer .dsc-toc__list .toc__link {
    transition: none;
  }
}