.page-privacy {
  --privacy-num-w: 42px;
  --privacy-item-w: 40px;
}

.page-privacy .breadcrumbs {
  padding-block: var(--space-3) 0;
}

/* ---------- 头部 ---------- */
.page-privacy .privacy-head {
  padding-block: var(--space-4) var(--space-6);
}

.page-privacy .privacy-head__grid {
  display: grid;
  gap: var(--space-4);
}

.page-privacy .privacy-head h1 {
  margin: 0 0 var(--space-3);
  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);
  max-width: 20ch;
}

.page-privacy .privacy-head .lede {
  max-width: 64ch;
  margin: 0;
}

.page-privacy .privacy-facts {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  padding-top: var(--space-3);
}

.page-privacy .privacy-facts__item {
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-facts__num {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-privacy .privacy-facts__label {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  line-height: 1.5;
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc {
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  padding: var(--space-3);
  align-self: start;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: var(--space-1);
  align-items: baseline;
  padding: 8px 8px;
  border-radius: var(--radius-sm);
  border-left: 2px solid transparent;
  color: var(--color-ink);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  background: var(--color-highlight);
  border-left-color: var(--color-accent);
  outline: none;
}

.page-privacy .privacy-toc__link:focus-visible {
  box-shadow: 0 0 0 2px var(--color-focus);
}

/* ---------- 首屏横幅 ---------- */
.page-privacy .privacy-banner {
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.page-privacy .privacy-banner__cap {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  line-height: 1.6;
  max-width: 76ch;
}

/* ---------- 条款主体 ---------- */
.page-privacy .privacy-clauses {
  display: grid;
}

.page-privacy .clause {
  display: grid;
  gap: var(--space-2);
  padding-block: var(--space-6);
  border-top: var(--border-thin) solid var(--color-line);
  scroll-margin-top: 96px;
}

.page-privacy .clause:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .clause__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}

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

.page-privacy .clause__intro {
  margin: 0 0 var(--space-3);
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-accent);
  color: var(--color-ink-soft);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  max-width: var(--measure);
}

.page-privacy .clause__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .clause__item {
  display: grid;
  grid-template-columns: var(--privacy-item-w) minmax(0, 1fr);
  gap: var(--space-2);
  padding-block: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-privacy .clause__item:first-child {
  border-top: 0;
  padding-top: var(--space-1);
}

.page-privacy .clause__id {
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
  transition: color 150ms ease;
}

.page-privacy .clause__item:hover .clause__id {
  color: var(--color-accent);
}

.page-privacy .clause__text h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.5;
  color: var(--color-ink);
}

.page-privacy .clause__text p {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
  line-height: var(--leading-body);
}

.page-privacy .clause__text a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 150ms ease, text-decoration-color 150ms ease;
}

.page-privacy .clause__text a:hover,
.page-privacy .clause__text a:focus-visible {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

.page-privacy .clause__text a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 数据流向图 ---------- */
.page-privacy .privacy-flow {
  margin: var(--space-4) 0 0;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
}

.page-privacy .privacy-flow__cap {
  margin-bottom: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-privacy .privacy-flow__svg {
  display: block;
  width: 100%;
  height: auto;
  color: var(--color-accent);
}

.page-privacy .privacy-flow__box {
  fill: var(--color-surface);
  stroke: var(--color-line);
  stroke-width: 1;
}

.page-privacy .privacy-flow__box--mid {
  fill: var(--color-surface-deep);
  stroke: var(--color-accent);
}

.page-privacy .privacy-flow__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  fill: var(--color-ink);
}

.page-privacy .privacy-flow__note {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  fill: var(--color-ink-muted);
}

.page-privacy .privacy-flow__link {
  stroke: currentColor;
  stroke-width: 1.5;
}

/* ---------- 结尾说明 ---------- */
.page-privacy .privacy-outro {
  margin-top: var(--space-4);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
}

.page-privacy .privacy-outro p {
  margin: 0;
  max-width: var(--measure);
  color: var(--color-ink);
  line-height: var(--leading-body);
}

.page-privacy .privacy-outro a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 150ms ease;
}

.page-privacy .privacy-outro a:hover,
.page-privacy .privacy-outro a:focus-visible {
  color: var(--color-accent);
}

.page-privacy .privacy-outro a:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 悬停分组提示 ---------- */
@media (hover: hover) and (min-width: 720px) {
  .page-privacy .clause__id::after {
    content: attr(data-group);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 0;
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    background: var(--color-contrast-surface);
    color: var(--color-contrast-ink);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    white-space: nowrap;
    opacity: 0;
    transform: translateY(4px);
    pointer-events: none;
    transition: opacity 140ms ease, transform 140ms ease;
  }

  .page-privacy .clause__item:hover .clause__id::after,
  .page-privacy .clause__item:focus-within .clause__id::after {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-privacy {
    --privacy-item-w: 52px;
  }

  .page-privacy .clause {
    gap: var(--space-3);
  }

  .page-privacy .clause__num {
    font-size: var(--text-2xl);
  }
}

@media (min-width: 960px) {
  .page-privacy {
    --privacy-num-w: 96px;
  }

  .page-privacy .privacy-head__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-privacy .privacy-head h1 {
    font-size: var(--text-3xl);
  }

  .page-privacy .clause {
    grid-template-columns: var(--privacy-num-w) minmax(0, 1fr);
    gap: var(--space-6);
    padding-block: var(--space-8);
  }

  .page-privacy .clause:first-of-type {
    padding-top: 0;
  }

  .page-privacy .clause__num {
    position: sticky;
    top: 104px;
  }

  .page-privacy .privacy-clauses {
    max-width: 1000px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .clause__id,
  .page-privacy .clause__text a,
  .page-privacy .privacy-outro a {
    transition: none;
  }

  .page-privacy .clause__id::after {
    transition: none;
  }
}