.page-privacy {
  --privacy-measure: 42rem;
  padding-bottom: 80px;
}

.page-privacy .breadcrumb {
  padding-top: 24px;
}

.page-privacy .privacy-head {
  padding: 32px 0 40px;
  border-bottom: 1px solid var(--line);
  max-width: 60rem;
}

.page-privacy .privacy-head .eyebrow {
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-privacy .privacy-head h1 {
  margin: 14px 0 20px;
  font-size: clamp(28px, 6vw, 52px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-privacy .privacy-head .lead {
  max-width: var(--privacy-measure);
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .summary-strip {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
}

.page-privacy .summary-chip {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 14px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.55;
  color: var(--paper);
}

.page-privacy .summary-chip .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
  flex: none;
}

/* 布局：正文 + 右侧章节目录 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 32px;
}

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

.page-privacy .privacy-toc {
  order: -1;
  min-width: 0;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .toc-list li {
  flex: none;
}

.page-privacy .toc-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: color 200ms ease, border-color 200ms ease;
}

.page-privacy .toc-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--line);
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  color: var(--paper);
  border-color: var(--muted);
}

.page-privacy .toc-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .toc-link.is-active,
.page-privacy .toc-link[aria-current] {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-privacy .toc-link.is-active .toc-num,
.page-privacy .toc-link[aria-current] .toc-num {
  color: var(--cyan);
}

/* 章节 */
.page-privacy .chapter {
  padding: 36px 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h, 72px) + 24px);
}

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

.page-privacy .chapter-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .chapter-num {
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--cyan);
  opacity: 0.55;
  flex: none;
}

.page-privacy .chapter-title {
  margin: 0;
  font-size: clamp(19px, 3.4vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .chapter p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper);
}

.page-privacy .chapter h3 {
  margin: 26px 0 10px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
}

/* 三类信息 */
.page-privacy .cat-list {
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
}

.page-privacy .cat {
  background: var(--ink-800);
  border: 1px solid var(--line);
  padding: 18px 18px 6px;
}

.page-privacy .cat-key {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .cat p {
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
}

/* 信息流向图 */
.page-privacy .flow-figure {
  margin: 26px 0 22px;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-privacy .flow-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
}

.page-privacy .flow-figure .media__cap {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* 保存期限表 */
.page-privacy .table-wrap {
  margin: 22px 0 8px;
  overflow-x: auto;
  border: 1px solid var(--line);
}

.page-privacy .keep-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  background: var(--ink-800);
  font-size: 14px;
  line-height: 1.6;
}

.page-privacy .keep-table caption {
  padding: 12px 16px;
  text-align: left;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.page-privacy .keep-table th,
.page-privacy .keep-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  vertical-align: top;
}

.page-privacy .keep-table thead th {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  font-weight: 700;
  background: var(--ink-700);
}

.page-privacy .keep-table tbody tr:last-child th,
.page-privacy .keep-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-privacy .keep-table td.mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--amber);
  white-space: nowrap;
}

/* 关键操作块 */
.page-privacy .op-block {
  margin: 20px 0;
  padding: 18px 18px 16px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
}

.page-privacy .op-title {
  margin: 0 0 10px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .op-steps {
  margin: 0 0 4px;
  padding: 0;
  list-style: none;
  counter-reset: opstep;
}

.page-privacy .op-steps li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper);
}

.page-privacy .op-steps li::before {
  counter-increment: opstep;
  content: counter(opstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--cyan);
}

.page-privacy .op-desc {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-privacy .op-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 12px;
}

.page-privacy .op-actions .copy-btn,
.page-privacy .contact-card .copy-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--paper);
  padding: 7px 14px;
  font-family: var(--font-sans);
  font-size: 13px;
  cursor: pointer;
  transition: border-color 200ms ease, color 200ms ease, background-color 200ms ease;
}

.page-privacy .op-actions .copy-btn:hover,
.page-privacy .contact-card .copy-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-privacy .op-actions .copy-btn:focus-visible,
.page-privacy .contact-card .copy-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .copy-status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

/* 权利清单 */
.page-privacy .rights {
  display: grid;
  gap: 0;
  margin: 20px 0 22px;
  border-top: 1px solid var(--line);
}

.page-privacy .right-item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .right-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cyan);
  line-height: 1.7;
}

.page-privacy .right-item p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper);
}

.page-privacy .aside-note {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 联系块 */
.page-privacy .contact-card {
  margin: 20px 0 0;
  padding: 18px;
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.page-privacy .contact-card .contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .contact-card .contact-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  flex: none;
  min-width: 70px;
}

.page-privacy .contact-card .contact-val {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  color: var(--paper);
  word-break: break-all;
}

.page-privacy .contact-hint {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

/* 相关链接 */
.page-privacy .related {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-privacy .related-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

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

.page-privacy .related-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .related-list li:last-child {
  border-bottom: 0;
}

.page-privacy .related-list a {
  color: var(--paper);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 2px;
  transition: color 200ms ease;
}

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

.page-privacy .related-list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* 桌面端：单列窄正文 + 右侧固定章节目录 */
@media (min-width: 900px) {
  .page-privacy {
    padding-bottom: 104px;
  }

  .page-privacy .privacy-head {
    padding: 44px 0 52px;
  }

  .page-privacy .summary-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 30px;
  }

  .page-privacy .summary-chip {
    font-size: 13px;
    padding: 13px 15px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: 72px;
    padding-top: 48px;
  }

  .page-privacy .privacy-toc {
    order: 0;
    position: sticky;
    top: calc(var(--header-h, 72px) + 32px);
    padding: 0 0 0 20px;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-privacy .toc-title {
    margin-bottom: 14px;
  }

  .page-privacy .toc-list {
    flex-direction: column;
    overflow: visible;
    gap: 0;
    padding-bottom: 0;
  }

  .page-privacy .toc-list li {
    flex: none;
  }

  .page-privacy .toc-link {
    display: flex;
    width: 100%;
    padding: 9px 0;
    border: 0;
    border-bottom: 1px solid transparent;
    white-space: normal;
    font-size: 13px;
  }

  .page-privacy .toc-link:hover,
  .page-privacy .toc-link:focus-visible {
    border-color: transparent;
  }

  .page-privacy .toc-link.is-active,
  .page-privacy .toc-link[aria-current] {
    border-color: transparent;
  }

  .page-privacy .chapter {
    padding: 44px 0;
  }

  .page-privacy .cat-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .page-privacy .right-item {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 20px;
  }

  .page-privacy .contact-card {
    padding: 22px 24px;
  }
}

已在上方输出，请注意标记只应出现一次。