.page-privacy {
  --privacy-rule: calc(var(--space-8) + var(--space-1));
  --privacy-toc-w: calc(var(--container) * 0.19);
  --privacy-sticky-top: calc(var(--space-8) + var(--space-4));
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-bottom: var(--space-4);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: start;
  margin-top: var(--space-4);
}

.page-privacy .privacy-hero__lead h1 {
  margin: var(--space-1) 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-privacy .privacy-lede {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-privacy .privacy-lede--soft {
  font-size: var(--text-base);
  color: var(--color-ink-muted);
}

.page-privacy .privacy-facts-panel {
  padding: var(--space-3);
}

.page-privacy .privacy-facts-panel__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

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

.page-privacy .privacy-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-privacy .privacy-facts li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .privacy-facts__k {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-privacy .privacy-facts__v {
  text-align: right;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-ink);
}

.page-privacy .privacy-facts__v--mail {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  word-break: break-all;
}

.page-privacy .privacy-banner {
  margin: var(--space-4) 0 0;
  aspect-ratio: 1180 / 360;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 两栏条款区 ---------- */
.page-privacy .privacy-body-section {
  padding-top: var(--space-4);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  align-items: start;
}

.page-privacy .privacy-toc ol {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: 0 0 var(--space-1);
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc li {
  flex: 0 0 auto;
}

.page-privacy .privacy-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-1);
  padding: var(--space-1);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible {
  color: var(--color-ink);
  border-color: var(--color-primary);
}

.page-privacy .privacy-toc a:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: var(--space-1);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

.page-privacy .privacy-body {
  min-width: 0;
}

/* ---------- 单条条款 ---------- */
.page-privacy .privacy-clause {
  position: relative;
  padding: var(--space-4) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-privacy .privacy-clause::before {
  content: "";
  position: absolute;
  top: calc(var(--border-thin) * -1);
  left: 0;
  width: var(--privacy-rule);
  height: var(--border-thick);
  background: var(--color-primary);
}

.page-privacy .privacy-clause:target {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: var(--space-1);
}

.page-privacy .privacy-clause > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: var(--space-2);
  align-items: baseline;
  cursor: pointer;
  list-style: none;
}

.page-privacy .privacy-clause > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-clause > summary:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: var(--space-1);
}

.page-privacy .clause-num {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-privacy .clause-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1);
  min-width: 0;
}

.page-privacy .clause-title {
  margin: 0;
  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-privacy .clause-toggle {
  position: relative;
  align-self: center;
  width: var(--space-3);
  height: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
}

.page-privacy .clause-toggle::before,
.page-privacy .clause-toggle::after {
  content: "";
  position: absolute;
  background: var(--color-ink-muted);
}

.page-privacy .clause-toggle::before {
  left: 25%;
  right: 25%;
  top: calc(50% - var(--border-thick) / 2);
  height: var(--border-thick);
}

.page-privacy .clause-toggle::after {
  top: 25%;
  bottom: 25%;
  left: calc(50% - var(--border-thick) / 2);
  width: var(--border-thick);
}

.page-privacy .privacy-clause[open] .clause-toggle::after {
  display: none;
}

.page-privacy .clause-body {
  padding-top: var(--space-3);
  max-width: var(--measure);
}

.page-privacy .clause-body p {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-privacy .clause-body p:last-child {
  margin-bottom: 0;
}

.page-privacy .clause-list {
  list-style: none;
  margin: 0 0 var(--space-2);
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-privacy .clause-list li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-privacy .clause-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--text-base) * 0.72);
  width: var(--space-1);
  height: var(--border-thick);
  background: var(--color-accent);
}

.page-privacy .clause-body .quote-block p,
.page-privacy .clause-body .indent-note p {
  font-size: var(--text-base);
  color: var(--color-ink);
}

/* ---------- 回到页首 ---------- */
.page-privacy .privacy-backtop-wrap {
  margin: var(--space-4) 0 0;
}

.page-privacy .privacy-backtop {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.page-privacy .privacy-backtop:hover,
.page-privacy .privacy-backtop:focus-visible {
  color: var(--color-ink);
  border-color: var(--color-primary);
}

.page-privacy .privacy-backtop:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: var(--space-1);
}

/* ---------- 收口 ---------- */
.page-privacy .privacy-exit h2 {
  margin: var(--space-2) 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-privacy .privacy-exit p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

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

/* ---------- 桌面布局 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
    gap: var(--space-6);
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
    gap: var(--space-6);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: var(--privacy-sticky-top);
  }

  .page-privacy .privacy-toc ol {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0 0 0 var(--space-2);
    border-left: var(--border-thin) solid var(--color-line);
  }

  .page-privacy .privacy-toc li {
    flex: initial;
  }

  .page-privacy .privacy-toc a {
    width: 100%;
    padding: var(--space-1) 0;
    border: 0;
    background: none;
    white-space: normal;
  }

  .page-privacy .privacy-clause:nth-child(even) {
    padding-left: var(--space-3);
  }
}

/* ---------- 动效兼容 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc a,
  .page-privacy .privacy-backtop {
    transition: none;
  }
}