/* ===== 数据与隐私 / data-privacy ===== */

.page-privacy {
  --pv-rail: 226px;
  --pv-rule: rgba(152, 162, 166, 0.5);
  padding-bottom: clamp(56px, 9vw, 104px);
  background: var(--ky-paper);
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

.page-privacy .ky-crumb {
  margin-top: clamp(14px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  padding: clamp(20px, 3vw, 32px) 0 clamp(26px, 4vw, 42px);
}

.page-privacy .pv-hero__title {
  margin: 10px 0 16px;
  max-width: 22ch;
}

.page-privacy .pv-hero__lede {
  margin: 0 0 22px;
  max-width: 46ch;
  font-family: var(--ky-font-body);
  font-size: clamp(1rem, 1.4vw, 1.06rem);
  line-height: 1.85;
  color: var(--ky-ink-2);
}

.page-privacy .pv-hero__fig {
  margin: 0;
}

.page-privacy .pv-hero__fig .ky-figure__frame {
  border: var(--ky-line);
  border-radius: var(--ky-r-lg);
  overflow: hidden;
  background: var(--ky-paper-2);
}

.page-privacy .pv-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-privacy .pv-hero__fig .ky-figure__cap {
  margin-top: 10px;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ky-slate-lt);
}

@media (min-width: 900px) {
  .page-privacy .pv-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }
}

/* ---------- 刻度分隔 ---------- */

.page-privacy .pv-rule {
  height: 8px;
  background-image: repeating-linear-gradient(
    to right,
    var(--ky-slate-lt) 0 1px,
    transparent 1px 16px
  );
  opacity: 0.55;
}

/* ---------- 正文与索引双栏 ---------- */

.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
  padding-top: clamp(30px, 5vw, 56px);
}

.page-privacy .pv-content {
  min-width: 0;
}

@media (min-width: 1000px) {
  .page-privacy .pv-body {
    grid-template-columns: minmax(0, 1fr) var(--pv-rail);
    gap: clamp(34px, 4vw, 68px);
  }
}

/* ---------- 章节 ---------- */

.page-privacy .pv-sec {
  scroll-margin-top: 104px;
}

.page-privacy .pv-sec + .pv-sec {
  position: relative;
  margin-top: clamp(30px, 4.6vw, 54px);
  padding-top: clamp(30px, 4.2vw, 52px);
}

.page-privacy .pv-sec + .pv-sec::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(100%, 420px);
  height: 7px;
  background-image: repeating-linear-gradient(
    to right,
    var(--ky-slate-lt) 0 1px,
    transparent 1px 11px
  );
  opacity: 0.7;
}

.page-privacy .pv-sec__title {
  margin: 0 0 15px;
}

.page-privacy .pv-lead {
  margin: 0 0 18px;
  padding: 11px 0 11px 16px;
  border-left: 3px solid var(--ky-bronze);
  font-family: var(--ky-font-head);
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: -0.005em;
  color: var(--ky-ink);
}

/* ---------- 条目 ---------- */

.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 22px;
  font-family: var(--ky-font-body);
  font-size: clamp(0.98rem, 1.35vw, 1.06rem);
  line-height: 1.85;
  color: var(--ky-ink-2);
  overflow-wrap: anywhere;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.8em;
  width: 7px;
  height: 7px;
  border-radius: 1px;
  background: var(--ky-bronze);
  transform: rotate(45deg);
}

.page-privacy .pv-term {
  display: inline-block;
  margin-right: 6px;
  padding: 1px 7px;
  border-radius: 6px;
  background: var(--ky-bronze-wash);
  color: var(--ky-bronze);
  font-family: var(--ky-font-mono);
  font-size: 0.84em;
  line-height: 1.7;
}

.page-privacy .pv-key {
  font-family: var(--ky-font-mono);
  font-size: 0.95em;
  font-weight: 600;
  color: var(--ky-bronze);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

/* ---------- 书签索引 ---------- */

.page-privacy .pv-toc {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .pv-toc__head {
  width: 100%;
  margin: 0 0 6px;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ky-slate-lt);
}

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid transparent;
  border-radius: var(--ky-r-pill);
  background: var(--ky-paper-2);
  color: var(--ky-ink-2);
  font-family: var(--ky-font-head);
  font-size: 0.9rem;
  line-height: 1.4;
  text-decoration: none;
  transition:
    background var(--ky-dur) var(--ky-ease),
    color var(--ky-dur) var(--ky-ease),
    border-color var(--ky-dur) var(--ky-ease),
    transform var(--ky-dur) var(--ky-ease);
}

.page-privacy .pv-toc__link:hover {
  background: var(--ky-bronze-wash);
  color: var(--ky-bronze);
}

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

.page-privacy .pv-toc__link[aria-current="location"] {
  background: var(--ky-bronze-wash);
  color: var(--ky-bronze);
  font-weight: 700;
}

.page-privacy .pv-toc__no {
  font-family: var(--ky-font-mono);
  font-size: 0.78em;
  color: var(--ky-slate-lt);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-toc__link[aria-current="location"] .pv-toc__no {
  color: var(--ky-bronze);
}

@media (min-width: 1000px) {
  .page-privacy .pv-toc {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    position: sticky;
    top: 96px;
    padding-left: 14px;
    border-left: 1px solid var(--pv-rule);
  }

  .page-privacy .pv-toc__link {
    display: block;
    padding: 8px 12px 8px 14px;
    border: 1px solid transparent;
    border-left: 3px solid transparent;
    border-radius: 0 var(--ky-r-sm) var(--ky-r-sm) 0;
    background: transparent;
    font-size: 0.92rem;
    color: var(--ky-slate);
  }

  .page-privacy .pv-toc__link:hover {
    background: var(--ky-paper-2);
    color: var(--ky-ink);
    transform: none;
  }

  .page-privacy .pv-toc__link[aria-current="location"] {
    background: var(--ky-bronze-wash);
    border-left-color: var(--ky-bronze);
    color: var(--ky-bronze);
  }
}

/* ---------- 相关入口 ---------- */

.page-privacy .pv-next {
  margin-top: clamp(38px, 5.5vw, 66px);
  padding-top: clamp(26px, 3.6vw, 42px);
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .pv-next h2 {
  margin: 0 0 18px;
}

.page-privacy .pv-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-privacy .pv-next__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  border: var(--ky-line-soft);
  border-radius: var(--ky-r-md);
  background: var(--ky-paper-2);
  color: var(--ky-ink);
  text-decoration: none;
  transition:
    transform var(--ky-dur) var(--ky-ease),
    border-color var(--ky-dur) var(--ky-ease),
    background var(--ky-dur) var(--ky-ease);
}

.page-privacy .pv-next__item:hover {
  transform: translateY(-2px);
  border-color: var(--ky-bronze);
  background: var(--ky-paper);
}

.page-privacy .pv-next__item:focus-visible {
  outline: 2px solid var(--ky-bronze);
  outline-offset: 2px;
}

.page-privacy .pv-next__k {
  font-family: var(--ky-font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ky-bronze);
}

.page-privacy .pv-next__v {
  font-family: var(--ky-font-body);
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ky-slate);
}

@media (min-width: 640px) {
  .page-privacy .pv-next__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 减少动效 ---------- */

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

  .page-privacy .pv-next__item:hover {
    transform: none;
  }
}

/* ---------- 打印 ---------- */

@media print {
  .page-privacy {
    padding-bottom: 0;
    background: #fff;
  }

  .page-privacy .pv-toc,
  .page-privacy .ky-actions,
  .page-privacy .ky-crumb {
    display: none !important;
  }

  .page-privacy .pv-hero,
  .page-privacy .pv-body {
    display: block;
    padding-top: 0;
  }

  .page-privacy .pv-hero__fig {
    margin: 12pt 0;
  }

  .page-privacy .pv-rule,
  .page-privacy .pv-sec + .pv-sec::before {
    display: none;
  }

  .page-privacy .pv-sec + .pv-sec {
    margin-top: 16pt;
    padding-top: 12pt;
    border-top: 1px solid #999;
  }

  .page-privacy .pv-next__item {
    background: #fff;
    border-color: #999;
  }
}
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