/* ===== 使用说明与免责声明 · 页面专属样式 ===== */

.page-disclaimer {
  padding-block: var(--space-2) var(--space-8);
}

/* ----- 面包屑 ----- */
.page-disclaimer .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  padding-block: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-disclaimer .crumbs a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.28em;
  text-decoration-thickness: var(--border-thin);
}

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

.page-disclaimer .disc-crumb-sep {
  color: var(--color-ink-muted);
}

/* ----- 页头 ----- */
.page-disclaimer .disc-head {
  padding-block: var(--space-6) var(--space-8);
}

.page-disclaimer .disc-head h1 {
  margin-block: var(--space-3) var(--space-4);
  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 .disc-head .lede {
  max-width: var(--measure);
  margin: 0;
  color: var(--color-ink-soft);
}

.page-disclaimer .disc-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-6);
  margin-block: var(--space-4) 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ----- 两栏骨架 ----- */
.page-disclaimer .disc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
}

/* ----- 条款索引 ----- */
.page-disclaimer .toc {
  align-self: start;
  min-width: 0;
}

.page-disclaimer .toc__head {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

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

.page-disclaimer .toc a {
  display: block;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.28em;
  text-decoration-thickness: var(--border-thin);
}

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

.page-disclaimer .toc a[aria-current="true"] {
  color: var(--color-ink);
  font-weight: 600;
  text-decoration: none;
}

/* ----- 条款正文 ----- */
.page-disclaimer .disc-clauses {
  display: grid;
  gap: var(--space-8);
  min-width: 0;
}

.page-disclaimer .disc-clauses--tail {
  margin-block-start: var(--space-8);
}

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

.page-disclaimer .clause__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.4;
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

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

.page-disclaimer .clause__body {
  min-width: 0;
  max-width: var(--measure);
}

.page-disclaimer .clause__def {
  margin: 0 0 var(--space-3);
  padding-inline-start: var(--space-3);
  border-inline-start: var(--border-thin) solid var(--color-primary);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: 1.48;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-disclaimer .clause__body p {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

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

.page-disclaimer .clause__body a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.28em;
  text-decoration-thickness: var(--border-thin);
}

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

.page-disclaimer .clause__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .clause__body li {
  position: relative;
  padding-inline-start: var(--space-3);
  margin-block-end: var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-disclaimer .clause__body li:last-child {
  margin-block-end: 0;
}

.page-disclaimer .clause__body li::before {
  content: "—";
  position: absolute;
  inset-inline-start: 0;
  color: var(--color-primary);
}

/* ----- 抽象配图 ----- */
.page-disclaimer .disc-figure {
  display: grid;
  gap: var(--space-2);
  margin: 0;
}

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

.page-disclaimer .disc-figure__cap {
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

/* ----- 深色数据带 ----- */
.page-disclaimer .disc-band {
  padding-block: var(--space-8);
}

.page-disclaimer .disc-band__eyebrow {
  margin: 0 0 var(--space-6);
  color: var(--color-contrast-ink);
  opacity: 0.68;
}

.page-disclaimer .disc-band__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6) var(--space-4);
}

.page-disclaimer .disc-band .stat {
  padding-block-start: var(--space-3);
  border-top: var(--border-thin) solid var(--color-contrast-line);
}

.page-disclaimer .disc-band .stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  color: var(--color-contrast-accent);
}

.page-disclaimer .disc-band .stat__label {
  display: block;
  margin-block-start: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

/* ----- 桌面端增强 ----- */
@media (min-width: 720px) {
  .page-disclaimer .disc-head h1 {
    font-size: var(--text-3xl);
  }

  .page-disclaimer .clause {
    grid-template-columns: 48px minmax(0, 1fr);
    column-gap: var(--space-3);
  }

  .page-disclaimer .clause__num {
    grid-column: 1;
    grid-row: 1;
  }

  .page-disclaimer .clause__title,
  .page-disclaimer .clause__body {
    grid-column: 2;
  }

  .page-disclaimer .disc-band__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-6);
  }
}

@media (min-width: 900px) {
  .page-disclaimer .disc-layout {
    grid-template-columns: 160px minmax(0, 1fr);
    column-gap: var(--space-8);
  }

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

  .page-disclaimer .disc-clauses--tail {
    padding-inline-start: calc(160px + var(--space-8));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-disclaimer .toc a,
  .page-disclaimer .crumbs a,
  .page-disclaimer .clause__body a {
    transition: none;
  }
}