.page-privacy {
  --pv-measure: 42em;
  --pv-toc-w: 236px;
  --pv-gap: 16px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 44px) 0 46px;
  background: linear-gradient(155deg, var(--ink) 0%, var(--steel) 54%, #1E465E 100%);
  color: #FFFFFF;
}

.page-privacy .pv-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(127, 168, 191, .16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(127, 168, 191, .16) 1px, transparent 1px);
  background-size: 46px 46px;
}

.page-privacy .pv-hero-inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 22px;
  font-size: 13px;
  color: rgba(232, 238, 242, .68);
}

.page-privacy .pv-hero .breadcrumb a {
  color: rgba(232, 238, 242, .92);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 138, 30, .55);
}

.page-privacy .pv-hero h1 {
  margin: 10px 0 18px;
  max-width: 22em;
  font-family: var(--font-head);
  font-size: clamp(28px, 5.4vw, 50px);
  font-weight: 700;
  font-stretch: 87.5%;
  line-height: 1.16;
  letter-spacing: .01em;
  color: #FFFFFF;
}

.page-privacy .pv-hero .lede {
  max-width: 40em;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 238, 242, .86);
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin-top: 30px;
  padding-top: 16px;
  border-top: 1px solid rgba(127, 168, 191, .34);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: rgba(232, 238, 242, .74);
}

.page-privacy .pv-meta-item b {
  color: var(--amber);
  font-weight: 500;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .pv-body {
  padding: 40px 0 64px;
  background: #FFFFFF;
}

.page-privacy .pv-layout {
  display: grid;
  gap: 28px;
}

/* ---------- 章节导航 ---------- */
.page-privacy .pv-toc {
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
}

.page-privacy .pv-toc-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.page-privacy .pv-toc-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  white-space: nowrap;
  background: #FFFFFF;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  font-size: 13.5px;
  color: var(--text);
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.page-privacy .pv-toc-list a:hover,
.page-privacy .pv-toc-list a:focus-visible {
  background: var(--grey);
  border-color: var(--blue);
  color: var(--blue);
}

.page-privacy .pv-toc-list .mono {
  font-size: 11.5px;
  color: var(--mist);
}

/* ---------- 正文 ---------- */
.page-privacy .pv-article {
  min-width: 0;
}

.page-privacy .pv-section {
  position: relative;
  padding: 28px 0 34px 16px;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

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

.page-privacy .pv-h2 {
  position: relative;
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.4vw, 29px);
  font-weight: 700;
  font-stretch: 87.5%;
  line-height: 1.25;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-privacy .pv-h2::before {
  content: "";
  position: absolute;
  left: -16px;
  top: .18em;
  bottom: .18em;
  width: 3px;
  background: var(--blue);
}

.page-privacy .pv-summary {
  margin: 0 0 22px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .pv-copy p {
  max-width: var(--pv-measure);
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text);
}

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

.page-privacy .pv-copy-tight {
  margin-top: 22px;
}

.page-privacy .pv-copy a,
.page-privacy .pv-note a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 场景卡片 ---------- */
.page-privacy .pv-cards {
  display: grid;
  gap: 14px;
  margin: 4px 0 0;
}

.page-privacy .pv-card {
  padding: 20px 18px 18px;
  background: var(--paper);
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--blue);
}

.page-privacy .pv-card-idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--blue);
}

.page-privacy .pv-card h3 {
  margin: 8px 0 14px;
  font-family: var(--font-head);
  font-size: 17.5px;
  font-weight: 600;
  color: var(--ink);
}

.page-privacy .pv-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-card li {
  position: relative;
  padding-left: 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

.page-privacy .pv-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 6px;
  height: 1px;
  background: var(--mist);
}

/* ---------- 使用用途步骤 ---------- */
.page-privacy .pv-steps {
  display: grid;
  gap: 0;
  margin: 4px 0 0;
}

.page-privacy .pv-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-privacy .pv-step:first-child {
  padding-top: 0;
}

.page-privacy .pv-step:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-privacy .pv-step-num {
  font-size: 14px;
  line-height: 1.6;
  color: var(--amber);
  letter-spacing: .04em;
}

.page-privacy .pv-step h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16.5px;
  font-weight: 600;
  color: var(--ink);
}

.page-privacy .pv-step p {
  max-width: var(--pv-measure);
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--text);
}

/* ---------- 提示框 ---------- */
.page-privacy .pv-note {
  max-width: var(--pv-measure);
  margin: 22px 0 0;
  padding: 15px 18px;
  background: var(--grey);
  border-left: 3px solid var(--amber);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--steel);
}

/* ---------- 表格 ---------- */
.page-privacy .pv-table-caption {
  padding: 0 0 10px;
  text-align: left;
  font-size: 13.5px;
  color: var(--muted);
}

.page-privacy .data-table td.mono {
  font-size: 13.5px;
  color: var(--blue);
  white-space: nowrap;
}

/* ---------- 权利清单 ---------- */
.page-privacy .pv-rights {
  display: grid;
  gap: 14px;
  margin: 4px 0 0;
}

.page-privacy .pv-right {
  padding: 16px 18px;
  background: var(--paper);
  border-left: 2px solid var(--teal);
}

.page-privacy .pv-right h3 {
  margin: 0 0 7px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--teal-deep);
}

.page-privacy .pv-right p {
  max-width: var(--pv-measure);
  margin: 0;
  font-size: 15px;
  line-height: 1.74;
  color: var(--text);
}

/* ---------- 结尾行动区 ---------- */
.page-privacy .pv-cta {
  padding: 46px 0;
  background: var(--grey);
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-cta-inner {
  display: grid;
  gap: 24px;
}

.page-privacy .pv-cta h2 {
  margin: 8px 0 12px;
  max-width: 20em;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.4vw, 30px);
  font-weight: 700;
  font-stretch: 87.5%;
  line-height: 1.24;
  color: var(--ink);
}

.page-privacy .pv-cta p {
  max-width: var(--pv-measure);
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-privacy .pv-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-start;
}

.page-privacy .pv-cta-actions .btn {
  flex: 0 0 auto;
}

/* ---------- 中屏 ---------- */
@media (min-width: 700px) {
  .page-privacy .pv-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-privacy .pv-cta-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-privacy .pv-cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ---------- 桌面：右侧固定章节目录 ---------- */
@media (min-width: 980px) {
  .page-privacy .pv-body {
    padding: 60px 0 88px;
  }

  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, 1fr) var(--pv-toc-w);
    gap: 68px;
    align-items: start;
  }

  .page-privacy .pv-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--header-h) + 26px);
    padding: 2px 0 2px 20px;
    background: transparent;
    border: 0;
    border-left: 1px solid var(--line-soft);
  }

  .page-privacy .pv-toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pv-toc-list a {
    width: 100%;
    padding: 7px 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    font-size: 13.5px;
    color: var(--muted);
  }

  .page-privacy .pv-toc-list a:hover,
  .page-privacy .pv-toc-list a:focus-visible {
    background: transparent;
    color: var(--blue);
  }

  .page-privacy .pv-toc-list .mono {
    color: var(--blue);
  }

  .page-privacy .pv-article {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .pv-section {
    padding: 36px 0 44px 18px;
  }

  .page-privacy .pv-h2::before {
    left: -18px;
  }

  .page-privacy .pv-hero {
    padding: calc(var(--header-h) + 66px) 0 68px;
  }

  .page-privacy .pv-hero .lede {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc-list a,
  .page-privacy .pv-cta-actions .btn {
    transition: none;
  }
}