.page-privacy {
  --pp-rail: 72px;
  --pp-measure: 68ch;
  background-color: var(--ky-night);
  color: var(--ky-text);
}

/* ---------- 顶部 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  padding: 20px 0 40px;
  background:
    radial-gradient(120% 90% at 88% -12%, rgba(53, 224, 200, .16), transparent 62%),
    linear-gradient(180deg, var(--ky-turf) 0%, var(--ky-night) 78%);
  border-bottom: 1px solid var(--ky-line);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(112deg, rgba(30, 58, 47, .8) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(0deg, rgba(30, 58, 47, .35) 0 1px, transparent 1px 22px);
  opacity: .55;
  pointer-events: none;
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pp-hero__title {
  margin: 10px 0 14px;
  max-width: 22ch;
  font-size: clamp(26px, 6vw, 42px);
  line-height: 1.18;
  letter-spacing: -.02em;
}

.page-privacy .pp-hero__lede {
  max-width: var(--pp-measure);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ky-text);
}

.page-privacy .pp-updated {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 18px 0 0;
  padding: 5px 12px;
  border: 1px solid var(--ky-line);
  border-radius: var(--ky-pill);
  background: rgba(4, 11, 8, .5);
  color: var(--ky-muted);
  font-size: 12.5px;
  letter-spacing: .03em;
}

.page-privacy .pp-updated .ky-num {
  color: var(--ky-yellow);
  font-weight: 700;
}

.page-privacy .pp-hero__media {
  margin: 26px 0 0;
  max-width: 920px;
}

.page-privacy .pp-hero__media .ky-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 布局 ---------- */
.page-privacy .pp-layout {
  display: grid;
  gap: 30px;
  padding: 36px 0 68px;
}

/* ---------- 目录 ---------- */
.page-privacy .pp-toc {
  padding: 18px;
  border: 1px solid var(--ky-line);
  border-radius: var(--ky-radius);
  background: var(--ky-turf);
}

.page-privacy .pp-toc__title {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ky-muted);
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--ky-radius);
  color: var(--ky-text);
  font-size: 14px;
  text-decoration: none;
  transition: background-color 160ms var(--ky-ease), border-color 160ms var(--ky-ease), color 160ms var(--ky-ease);
}

.page-privacy .pp-toc__link .ky-num {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ky-yellow);
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  background: rgba(53, 224, 200, .09);
  border-left-color: var(--ky-cyan);
  color: var(--ky-cyan-bright);
  outline: none;
}

.page-privacy .pp-toc__jump {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--ky-line);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ky-muted);
}

.page-privacy .pp-toc__jump kbd {
  padding: 1px 5px;
  border: 1px solid var(--ky-line);
  border-radius: 3px;
  font-family: var(--ky-mono);
  font-size: 11.5px;
  color: var(--ky-cyan);
}

/* ---------- 章节条目 ---------- */
.page-privacy .pp-doc {
  display: grid;
  min-width: 0;
}

.page-privacy .pp-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 0 0 30px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--ky-line);
}

.page-privacy .pp-item:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-privacy .pp-rail {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-privacy .pp-rail__no {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ky-yellow);
}

.page-privacy .pp-body {
  min-width: 0;
}

.page-privacy .pp-body__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 14px;
  font-size: clamp(19px, 3.2vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ky-text);
}

.page-privacy .pp-anchor {
  font-family: var(--ky-mono);
  font-size: 14px;
  font-weight: 400;
  color: var(--ky-muted);
  text-decoration: none;
  opacity: .3;
  transition: opacity 160ms var(--ky-ease), color 160ms var(--ky-ease);
}

.page-privacy .pp-body__title:hover .pp-anchor,
.page-privacy .pp-anchor:focus-visible {
  opacity: 1;
  color: var(--ky-cyan);
}

.page-privacy .pp-anchor:focus-visible {
  outline: 2px solid var(--ky-cyan);
  outline-offset: 2px;
  border-radius: 2px;
}

.page-privacy .pp-body p {
  max-width: var(--pp-measure);
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ky-text);
}

.page-privacy .pp-body > p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-body .ky-num {
  color: var(--ky-yellow);
  font-weight: 700;
}

/* ---------- 列表 ---------- */
.page-privacy .pp-list {
  list-style: none;
  max-width: var(--pp-measure);
  margin: 6px 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ky-text);
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--ky-cyan);
}

.page-privacy .pp-list strong {
  color: var(--ky-cyan-bright);
  font-weight: 700;
}

/* ---------- 术语标签 ---------- */
.page-privacy .pp-terms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-width: var(--pp-measure);
  margin: 0 0 16px;
}

.page-privacy .pp-term {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid rgba(53, 224, 200, .45);
  border-radius: var(--ky-pill);
  background: rgba(53, 224, 200, .07);
  color: var(--ky-cyan);
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-privacy .pp-term::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ky-cyan);
}

/* ---------- 数据要点 ---------- */
.page-privacy .pp-stats {
  list-style: none;
  max-width: var(--pp-measure);
  margin: 4px 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
}

.page-privacy .pp-stats > li {
  padding: 14px 16px;
  border: 1px solid var(--ky-line);
  border-left: 2px solid var(--ky-cyan);
  border-radius: var(--ky-radius);
  background: var(--ky-turf);
}

.page-privacy .pp-stats__v {
  display: block;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ky-yellow);
}

.page-privacy .pp-stats__k {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ky-muted);
}

/* ---------- 行内链接 ---------- */
.page-privacy .pp-link {
  color: var(--ky-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 200, .4);
  transition: color 160ms var(--ky-ease), border-color 160ms var(--ky-ease);
}

.page-privacy .pp-link:hover,
.page-privacy .pp-link:focus-visible {
  color: var(--ky-cyan-bright);
  border-bottom-color: var(--ky-cyan-bright);
}

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

/* ---------- 相关入口 ---------- */
.page-privacy .pp-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: var(--pp-measure);
  margin: 18px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--ky-line);
}

.page-privacy .pp-backtop {
  margin: 16px 0 0;
  font-size: 13.5px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 760px) {
  .page-privacy .pp-item {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: 28px;
  }

  .page-privacy .pp-rail {
    display: block;
    padding-right: 22px;
    border-right: 1px solid var(--ky-line);
    text-align: right;
  }

  .page-privacy .pp-rail__no {
    font-size: 26px;
  }

  .page-privacy .pp-hero {
    padding: 28px 0 48px;
  }
}

@media (min-width: 980px) {
  .page-privacy .pp-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding: 48px 0 80px;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .pp-body p,
  .page-privacy .pp-list,
  .page-privacy .pp-stats,
  .page-privacy .pp-terms {
    max-width: 66ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-anchor,
  .page-privacy .pp-link {
    transition: none;
  }
}