.page-privacy {
  --privacy-index-w: calc(var(--space-8) * 3);
  --privacy-no-w: calc(var(--space-6) * 2);
  background: var(--color-surface);
  color: var(--color-ink);
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-privacy .privacy-hero__img {
  display: block;
  width: 100%;
  height: clamp(150px, 40vw, 220px);
  object-fit: cover;
}

.page-privacy .privacy-hero__scrim {
  display: none;
}

.page-privacy .privacy-hero__inner {
  padding-block: var(--space-6) var(--space-8);
  color: var(--color-ink);
}

.page-privacy .privacy-hero__content {
  display: grid;
  gap: var(--space-3);
}

.page-privacy .privacy-hero__inner .crumbs {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: color-mix(in srgb, currentColor 62%, transparent);
}

.page-privacy .privacy-hero__inner .eyebrow {
  color: var(--color-accent);
}

.page-privacy .privacy-hero__inner .lede {
  color: color-mix(in srgb, currentColor 84%, transparent);
  max-width: var(--measure);
  margin: 0;
}

.page-privacy .privacy-hero__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: clamp(var(--text-xl), 6vw, var(--text-4xl));
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: currentColor;
}

.page-privacy .privacy-facts {
  display: grid;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: var(--space-4) 0 0;
  border-top: var(--border-thin) solid color-mix(in srgb, currentColor 22%, transparent);
}

.page-privacy .privacy-facts__item {
  display: grid;
  gap: var(--space-1);
}

.page-privacy .privacy-facts__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: color-mix(in srgb, currentColor 60%, transparent);
}

.page-privacy .privacy-facts__value {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: currentColor;
}

.page-privacy .privacy-facts__value--mono {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  letter-spacing: 0;
  word-break: break-all;
}

/* 主体：索引 + 条款 */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-6);
  padding-block: var(--space-8);
}

.page-privacy .privacy-index__label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0 0 var(--space-2);
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-index__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-index__link {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
  padding-block: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: var(--border-thin) solid transparent;
  transition: color 180ms ease, border-color 180ms ease;
}

.page-privacy .privacy-index__link:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-primary);
}

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

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

/* 条款 */
.page-privacy .privacy-clauses {
  min-width: 0;
}

.page-privacy .privacy-clause {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding-block: var(--space-6);
}

.page-privacy .privacy-clause + .privacy-clause {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-privacy .privacy-clause__no {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: 1;
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary);
}

.page-privacy .privacy-clause:nth-of-type(even) .privacy-clause__no {
  color: var(--color-accent);
}

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

.page-privacy .privacy-clause__title {
  display: inline-block;
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  border-bottom: var(--border-thin) solid transparent;
  transition: border-color 200ms ease, color 200ms ease;
}

.page-privacy .privacy-clause:hover .privacy-clause__title {
  border-bottom-color: var(--color-primary);
}

.page-privacy .privacy-clause .prose {
  max-width: var(--measure);
  color: var(--color-ink);
}

.page-privacy .privacy-clause .prose p {
  margin: 0 0 var(--space-3);
}

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

.page-privacy .clause-list {
  display: grid;
  gap: var(--space-2);
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
}

.page-privacy .clause-list li {
  display: grid;
  gap: var(--space-1);
  padding-left: var(--space-3);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-privacy .clause-list__term {
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.page-privacy .clause-list__desc {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-ink) 72%, transparent);
}

/* 第六条：反相浅色区 */
.page-privacy .privacy-clause--light {
  margin-block: var(--space-4);
  padding: var(--space-6) var(--space-4);
  border-top-color: transparent;
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}

.page-privacy .privacy-clause--light .privacy-clause__no,
.page-privacy .privacy-clause--light .privacy-clause__title,
.page-privacy .privacy-clause--light .clause-list__term {
  color: var(--color-contrast-ink);
}

.page-privacy .privacy-clause--light .privacy-clause__title {
  border-bottom-color: transparent;
}

.page-privacy .privacy-clause--light:hover .privacy-clause__title {
  border-bottom-color: var(--color-contrast-accent);
}

.page-privacy .privacy-clause--light .prose,
.page-privacy .privacy-clause--light .clause-list__desc {
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-privacy .privacy-clause--light .clause-list li {
  border-left-color: var(--color-contrast-line);
}

.page-privacy .privacy-clause--light .privacy-clause__no {
  color: var(--color-contrast-accent);
}

.page-privacy .privacy-clause .prose .link-underline {
  color: var(--color-primary);
  border-bottom-color: color-mix(in srgb, var(--color-primary) 45%, transparent);
}

.page-privacy .privacy-clause--light .prose .link-underline {
  color: var(--color-contrast-accent);
  border-bottom-color: color-mix(in srgb, var(--color-contrast-accent) 45%, transparent);
}

/* 结尾出口 */
.page-privacy .privacy-outro {
  border-top: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
}

.page-privacy .privacy-outro__inner {
  padding-block: var(--space-8);
  display: grid;
  gap: var(--space-3);
}

.page-privacy .privacy-outro .section-title {
  margin: 0;
  color: var(--color-ink);
}

.page-privacy .privacy-outro .lede {
  margin: 0;
  max-width: var(--measure);
  color: color-mix(in srgb, var(--color-ink) 80%, transparent);
}

.page-privacy .privacy-outro__action {
  margin: 0;
  padding-top: var(--space-2);
}

/* 中等宽度：事实条三列 */
@media (min-width: 700px) {
  .page-privacy .privacy-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-4);
  }
}

/* 桌面：框景叠加首屏 + 左侧条款索引 */
@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    display: grid;
  }

  .page-privacy .privacy-hero__img {
    height: clamp(360px, 38vw, 470px);
    grid-area: 1 / 1;
  }

  .page-privacy .privacy-hero__scrim {
    display: block;
    position: absolute;
    inset: 0;
    grid-area: 1 / 1;
    background: var(--overlay-scrim);
  }

  .page-privacy .privacy-hero__inner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-end;
    padding-block: 0;
    color: var(--color-contrast-ink);
  }

  .page-privacy .privacy-hero__content {
    width: 100%;
    margin-inline: auto;
    padding-block: var(--space-6) var(--space-8);
    gap: var(--space-3);
  }

  .page-privacy .privacy-hero__inner .crumbs {
    color: color-mix(in srgb, var(--color-contrast-ink) 66%, transparent);
  }

  .page-privacy .privacy-hero__inner .eyebrow {
    color: var(--color-contrast-accent);
  }

  .page-privacy .privacy-hero__inner .lede {
    color: color-mix(in srgb, var(--color-contrast-ink) 88%, transparent);
  }

  .page-privacy .privacy-hero__title {
    color: var(--color-contrast-ink);
  }

  .page-privacy .privacy-facts {
    padding-top: var(--space-4);
  }

  .page-privacy .privacy-body {
    grid-template-columns: var(--privacy-index-w) minmax(0, 1fr);
    gap: var(--space-8);
    padding-block: var(--section-y);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: var(--space-6);
  }

  .page-privacy .privacy-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .page-privacy .privacy-index__link {
    padding-block: var(--space-2);
    border-bottom-color: color-mix(in srgb, var(--color-line) 60%, transparent);
  }

  .page-privacy .privacy-clause {
    grid-template-columns: var(--privacy-no-w) minmax(0, 1fr);
    gap: var(--space-4);
    padding-block: var(--space-8);
  }

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

  .page-privacy .clause-list li {
    grid-template-columns: calc(var(--space-8) * 2) minmax(0, 1fr);
    align-items: baseline;
    gap: var(--space-3);
  }

  .page-privacy .privacy-clause--light {
    margin-block: var(--space-6);
    padding: var(--space-8);
  }

  .page-privacy .privacy-outro__inner {
    padding-block: var(--section-y);
  }
}