.page-privacy {
  --privacy-measure: 720px;
  --privacy-toc: 208px;
}

/* 顶部滚动进度线 */
.page-privacy .scroll-meter {
  position: sticky;
  top: 0;
  z-index: 40;
  height: 2px;
  background: rgba(43, 74, 66, .45);
}

.page-privacy .scroll-meter__bar {
  height: 100%;
  width: 0;
  background: var(--orange);
  transition: width .12s linear;
}

/* 首屏 */
.page-privacy .privacy-hero {
  padding-block: calc(var(--step) * 4) calc(var(--step) * 2);
}

.page-privacy .breadcrumbs {
  margin-bottom: calc(var(--step) * 3);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-privacy .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .breadcrumbs li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line);
}

.page-privacy .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
}

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

.page-privacy .privacy-hero__title {
  max-width: 20em;
  margin: 0 0 calc(var(--step) * 2);
  font-family: var(--font-body);
  font-size: clamp(26px, 6vw, 40px);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .privacy-hero__lede {
  max-width: 36em;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--muted);
}

.page-privacy .privacy-hero__media {
  margin: calc(var(--step) * 5) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--night);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  filter: saturate(.7) brightness(.85);
  object-fit: cover;
}

/* 主体两栏：目录 + 正文 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--step) * 4);
  padding-block: calc(var(--step) * 3) calc(var(--step) * 12);
}

.page-privacy .privacy-toc {
  border-bottom: 1px dashed var(--line);
  padding-bottom: calc(var(--step) * 3);
  min-width: 0;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 calc(var(--step) * 2);
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: var(--step);
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

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

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--panel);
  color: var(--text);
  font-size: 13px;
  line-height: 1.3;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}

.page-privacy .privacy-toc__link .index-num {
  font-size: 11px;
  color: var(--muted);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-privacy .privacy-toc__link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

/* 正文 */
.page-privacy .privacy-body {
  min-width: 0;
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-sec {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: calc(var(--step) * 1.5);
  padding-block: calc(var(--step) * 4);
  border-top: 1px dashed var(--line);
}

.page-privacy .privacy-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-sec__num {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

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

.page-privacy .privacy-sec__body h2 {
  margin: 0 0 calc(var(--step) * 2);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .privacy-sec__body p {
  margin: 0 0 calc(var(--step) * 2);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-privacy .privacy-sec__body a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

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

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

/* 引用块 */
.page-privacy .privacy-quote {
  margin: calc(var(--step) * 3) 0 0;
  padding: 4px 0 4px calc(var(--step) * 2.5);
  border-left: 4px solid var(--cyan);
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* 提示卡片 */
.page-privacy .privacy-card {
  margin: calc(var(--step) * 2) 0 calc(var(--step) * 3);
  padding: calc(var(--step) * 2.5);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--panel);
}

.page-privacy .privacy-card--accent {
  border-left: 3px solid var(--orange);
}

.page-privacy .privacy-card__label {
  margin: 0 0 8px !important;
  font-family: var(--font-mono);
  font-size: 11px !important;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--muted) !important;
}

.page-privacy .privacy-card__text {
  margin: 0 !important;
  font-size: 15px !important;
  line-height: 1.75 !important;
}

.page-privacy .privacy-card__text strong {
  font-family: var(--font-display);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  line-height: 1;
  color: var(--orange);
  padding-inline: 2px;
}

/* 操作列表 */
.page-privacy .privacy-actions {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: calc(var(--step) * 2);
}

.page-privacy .privacy-actions li {
  position: relative;
  padding: calc(var(--step) * 2) calc(var(--step) * 2);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: rgba(16, 36, 31, .72);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
}

.page-privacy .privacy-actions__tag {
  display: inline-block;
  margin-right: 8px;
  vertical-align: 1px;
}

/* 可展开步骤 */
.page-privacy .privacy-steps {
  margin-top: calc(var(--step) * 3);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--night);
  overflow: hidden;
}

.page-privacy .privacy-steps .index-group__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--step);
  padding: calc(var(--step) * 2) calc(var(--step) * 2.5);
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-privacy .privacy-steps .index-group__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-steps .index-group__summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: -2px;
}

.page-privacy .privacy-steps .index-group__mark {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform .22s var(--ease);
}

.page-privacy .privacy-steps[open] .index-group__mark {
  transform: rotate(45deg);
}

.page-privacy .privacy-steps .index-group__body {
  padding: 0 calc(var(--step) * 2.5) calc(var(--step) * 2.5);
  border-top: 1px dashed var(--line);
}

.page-privacy .privacy-steps .index-group__body > *:first-child {
  margin-top: calc(var(--step) * 2);
}

.page-privacy .privacy-steps__list {
  margin: 0 0 calc(var(--step) * 2);
  padding-left: 1.2em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-privacy .privacy-steps__list li + li {
  margin-top: 6px;
}

.page-privacy .privacy-steps__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .privacy-backlink {
  margin-top: calc(var(--step) * 3) !important;
  font-family: var(--font-mono);
  font-size: 13px !important;
  letter-spacing: .02em;
}

/* 平板及以上：目录回到左侧竖排 */
@media (min-width: 720px) {
  .page-privacy .privacy-sec {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: calc(var(--step) * 3);
  }

  .page-privacy .privacy-sec__num {
    padding-top: 6px;
  }

  .page-privacy .privacy-sec__body h2 {
    font-size: 24px;
  }
}

@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-toc) minmax(0, var(--privacy-measure));
    gap: calc(var(--step) * 6);
    justify-content: center;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 88px;
    border-bottom: 0;
    padding-bottom: 0;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
  }

  .page-privacy .privacy-toc__list li {
    flex: 1 1 auto;
  }

  .page-privacy .privacy-toc__link {
    width: 100%;
    border-color: transparent;
    border-radius: 8px;
    background: transparent;
    padding: 9px 10px;
    white-space: normal;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    background: var(--panel);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .scroll-meter__bar,
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-steps .index-group__mark {
    transition: none;
  }
}
<<<END>>>