.page-privacy {
  --pv-line: rgba(36, 53, 111, 0.18);
  --pv-line-soft: rgba(36, 53, 111, 0.07);
  --pv-accent: #0A7F87;
  --pv-accent-soft: rgba(10, 127, 135, 0.07);
  --pv-text: #2A3A5E;
  --pv-text-soft: #4E6089;
  --pv-text-faint: #6A7CA6;

  background: var(--surface-light);
  color: var(--ink-on-light);
  font-family: var(--font-sans);
}

.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--pv-accent);
  outline-offset: 3px;
}

/* ---------- 头部 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: 24px 0 48px;
  background:
    linear-gradient(to right, var(--pv-line-soft) 1px, transparent 1px) 0 0 / 48px 48px,
    linear-gradient(to bottom, var(--pv-line-soft) 1px, transparent 1px) 0 0 / 48px 48px,
    radial-gradient(90% 120% at 92% -10%, rgba(47, 227, 232, 0.18), rgba(47, 227, 232, 0) 62%),
    var(--surface-light);
}

.page-privacy .pv-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--pv-text-faint);
}

.page-privacy .pv-crumb a {
  color: var(--pv-text-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-privacy .pv-crumb a:hover {
  color: var(--ink-on-light);
  border-bottom-color: var(--pv-accent);
}

.page-privacy .pv-crumb-sep {
  color: rgba(36, 53, 111, 0.35);
}

.page-privacy .pv-hero-grid {
  display: grid;
  gap: 32px;
}

.page-privacy .pv-kicker {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: 0.18em;
  color: var(--pv-accent);
}

.page-privacy .pv-hero h1 {
  margin: 0 0 20px;
  font-size: 30px;
  line-height: 1.26;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-on-light);
}

.page-privacy .pv-lede {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pv-text);
  max-width: 40em;
}

.page-privacy .pv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-privacy .pv-actions .btn-primary {
  background: var(--ink-on-light);
  border-color: var(--ink-on-light);
  color: #EAF1FF;
}

.page-privacy .pv-actions .btn-primary:hover {
  background: var(--pv-accent);
  border-color: var(--pv-accent);
}

.page-privacy .pv-actions .btn-ghost {
  color: var(--ink-on-light);
  border-color: rgba(12, 22, 51, 0.28);
}

.page-privacy .pv-actions .btn-ghost:hover {
  color: var(--pv-accent);
  border-color: var(--pv-accent);
  background: var(--pv-accent-soft);
}

.page-privacy .pv-hero-figure {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--pv-line);
  border-radius: var(--radius);
  background: #FFFFFF;
}

.page-privacy .pv-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: 1px;
}

.page-privacy .pv-figcap {
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--pv-text-faint);
}

/* ---------- 速览条 ---------- */
.page-privacy .pv-digest {
  background: var(--ink-950);
  color: var(--text-100);
  padding: 18px 0;
  border-top: 1px solid rgba(47, 227, 232, 0.28);
  border-bottom: 1px solid rgba(47, 227, 232, 0.28);
}

.page-privacy .pv-digest-panel > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  list-style: none;
  cursor: pointer;
}

.page-privacy .pv-digest-panel > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-digest-cap {
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan-200);
  border-left: 2px solid var(--cyan-400);
  padding-left: 8px;
}

.page-privacy .pv-digest-text {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-400);
  flex: 1 1 240px;
}

.page-privacy .pv-digest-toggle {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
  border-bottom: 1px dashed rgba(47, 227, 232, 0.5);
}

.page-privacy .pv-toggle-close {
  display: none;
}

.page-privacy .pv-digest-panel[open] .pv-toggle-open {
  display: none;
}

.page-privacy .pv-digest-panel[open] .pv-toggle-close {
  display: inline;
}

.page-privacy .pv-digest-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-privacy .pv-digest-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid rgba(47, 227, 232, 0.3);
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-100);
  text-decoration: none;
  transition: background var(--t-fast), border-color var(--t-fast);
}

.page-privacy .pv-digest-list a:hover {
  background: rgba(47, 227, 232, 0.12);
  border-color: var(--cyan-400);
}

.page-privacy .pv-digest-list .mono {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan-200);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pv-body {
  padding: 36px 0 56px;
  background: var(--surface-light);
}

.page-privacy .pv-layout {
  display: block;
}

/* ---------- 索引 ---------- */
.page-privacy .pv-toc {
  margin-bottom: 32px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pv-text-faint);
}

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

.page-privacy .pv-toc-list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pv-toc-list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 11px;
  border-radius: var(--radius);
  white-space: nowrap;
  font-size: 13px;
  line-height: 1.4;
  color: var(--pv-text-soft);
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast);
}

.page-privacy .pv-toc-list a .mono {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--pv-text-faint);
}

.page-privacy .pv-toc-list a:hover {
  background: rgba(12, 22, 51, 0.05);
  color: var(--ink-on-light);
}

.page-privacy .pv-toc-list a[aria-current="true"] {
  background: var(--ink-on-light);
  color: #EAF1FF;
}

.page-privacy .pv-toc-list a[aria-current="true"] .mono {
  color: var(--cyan-400);
}

/* ---------- 文章主体 ---------- */
.page-privacy .pv-article {
  max-width: 720px;
}

.page-privacy .pv-article a:not(.btn) {
  color: var(--pv-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(10, 127, 135, 0.35);
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-privacy .pv-article a:not(.btn):hover {
  border-bottom-color: var(--pv-accent);
  background: var(--pv-accent-soft);
}

.page-privacy .pv-sec {
  padding: 30px 0;
  border-top: 1px solid var(--pv-line);
  scroll-margin-top: 96px;
}

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

.page-privacy .pv-sec-head {
  margin-bottom: 18px;
}

.page-privacy .pv-sec-num {
  display: inline-block;
  margin-bottom: 10px;
  padding-left: 10px;
  border-left: 2px solid var(--pv-accent);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--pv-accent);
}

.page-privacy .pv-sec h2 {
  margin: 0 0 10px;
  font-size: 21px;
  line-height: 1.36;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-on-light);
}

.page-privacy .pv-sec-sum {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pv-text-soft);
}

.page-privacy .pv-sec-body p {
  margin: 0 0 1.4em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pv-text);
}

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

/* 字段说明表 */
.page-privacy .pv-def {
  margin: 20px 0 24px;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-def-row {
  display: grid;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-def-row dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--pv-accent);
}

.page-privacy .pv-def-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pv-text);
}

/* 要点列表 */
.page-privacy .pv-points {
  display: grid;
  gap: 12px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

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

.page-privacy .pv-points li {
  position: relative;
  padding: 14px 16px 14px 44px;
  border: 1px solid var(--pv-line);
  border-radius: var(--radius);
  background: #FFFFFF;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pv-text);
}

.page-privacy .pv-points li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 8px;
  height: 8px;
  background: var(--pv-accent);
  border-radius: 1px;
}

.page-privacy .pv-points strong {
  font-weight: 600;
  color: var(--ink-on-light);
}

/* 结尾操作 */
.page-privacy .pv-end {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-end .btn-primary {
  background: var(--ink-on-light);
  border-color: var(--ink-on-light);
  color: #EAF1FF;
}

.page-privacy .pv-end .btn-primary:hover {
  background: var(--pv-accent);
  border-color: var(--pv-accent);
}

.page-privacy .pv-end .btn-ghost {
  color: var(--ink-on-light);
  border-color: rgba(12, 22, 51, 0.28);
}

.page-privacy .pv-end .btn-ghost:hover {
  color: var(--pv-accent);
  border-color: var(--pv-accent);
  background: var(--pv-accent-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-privacy .pv-def-row {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .pv-hero h1 {
    font-size: 36px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero {
    padding: 28px 0 60px;
  }

  .page-privacy .pv-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
    align-items: start;
  }

  .page-privacy .pv-hero h1 {
    font-size: 42px;
  }

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

@media (min-width: 1000px) {
  .page-privacy .pv-body {
    padding: 48px 0 80px;
  }

  .page-privacy .pv-layout {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 96px;
    margin-bottom: 0;
    padding: 0 0 0 18px;
    border-bottom: 0;
    border-left: 1px solid var(--pv-line);
  }

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

  .page-privacy .pv-toc-list a {
    padding: 7px 0 7px 12px;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
  }

  .page-privacy .pv-toc-list a[aria-current="true"] {
    background: var(--pv-accent-soft);
    color: var(--ink-on-light);
    border-left-color: var(--pv-accent);
    font-weight: 600;
  }

  .page-privacy .pv-sec {
    padding: 38px 0;
  }
}

@media (min-width: 1200px) {
  .page-privacy .pv-hero h1 {
    font-size: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}