.page-privacy{
  --pv-w: 720px;
  --pv-index-w: 214px;
  --pv-gap: 72px;
  padding: 0 0 96px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-privacy .pv-wrap{
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-privacy .crumb{
  padding: 22px 0 0;
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero{
  position: relative;
  padding: 40px 0 0;
  isolation: isolate;
}

.page-privacy .pv-hero::before{
  content: "";
  position: absolute;
  top: -60px;
  right: -18%;
  width: 78%;
  height: 300px;
  background: linear-gradient(140deg, var(--wash), transparent 72%);
  transform: skewY(-6deg);
  pointer-events: none;
  z-index: -1;
}

.page-privacy .eyebrow{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--accent-alt);
}

.page-privacy .pv-hero__title{
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 6.2vw, 62px);
  line-height: 1.1;
  letter-spacing: -.02em;
  max-width: 15em;
}

.page-privacy .pv-hero__lede{
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-dim);
  max-width: 40em;
}

.page-privacy .pv-fig{
  margin: 34px 0 0;
  border-top: var(--edge-w) solid var(--edge);
  padding-top: 1px;
}

.page-privacy .pv-fig img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  filter: saturate(.85) contrast(1.05);
}

.page-privacy .pv-fig__cap{
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--text-dim);
}

/* ---------- 索引 + 正文骨架 ---------- */

.page-privacy .pv-shell{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 44px;
  padding-top: 36px;
  border-top: var(--edge-w) solid var(--edge);
}

.page-privacy .pv-index{
  border-bottom: var(--edge-w) solid var(--edge);
  padding-bottom: 12px;
}

.page-privacy .pv-index__summary{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  padding: 10px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-dim);
  border-top: var(--edge-w) solid var(--edge);
}

.page-privacy .pv-index__summary::-webkit-details-marker{
  display: none;
}

.page-privacy .pv-index__hint{
  color: var(--accent-alt);
  letter-spacing: .06em;
}

.page-privacy .pv-index__list{
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .pv-index__link{
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 9px 8px 9px 12px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--text-dim);
  font-size: 14.5px;
  line-height: 1.5;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-privacy .pv-index__link:hover,
.page-privacy .pv-index__link:focus-visible{
  color: var(--text);
  border-left-color: var(--accent-alt);
  background: var(--wash);
  outline: none;
}

.page-privacy .pv-index__num{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--accent-alt);
}

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

/* ---------- 正文段落 ---------- */

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

.page-privacy .pv-sec{
  padding: 34px 0 38px;
  border-top: var(--edge-w) solid var(--edge);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-privacy .pv-sec:first-of-type{
  border-top: 0;
  padding-top: 4px;
}

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

.page-privacy .pv-sec__num{
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--accent-alt);
  padding-top: 4px;
}

.page-privacy .pv-sec__title{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 29px);
  line-height: 1.26;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-privacy .pv-sec p{
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--text);
  max-width: 62ch;
}

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

.page-privacy .pv-list{
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-list > li{
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.78;
  max-width: 60ch;
}

.page-privacy .pv-list > li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 11px;
  height: 1px;
  background: var(--accent-alt);
}

.page-privacy .pv-list strong{
  font-weight: 700;
  color: var(--text);
}

.page-privacy .pv-note{
  border-left: 2px solid var(--accent-alt);
  padding: 8px 0 8px 16px;
  background: linear-gradient(90deg, var(--wash), transparent 78%);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  max-width: 62ch;
}

.page-privacy .pv-link{
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-alt);
  padding-bottom: 1px;
  transition: color .18s ease, border-color .18s ease;
  word-break: break-word;
}

.page-privacy .pv-link:hover,
.page-privacy .pv-link:focus-visible{
  color: var(--accent-alt);
  border-bottom-color: transparent;
  outline: none;
}

/* ---------- 数据行 ---------- */

.page-privacy .pv-facts{
  margin: 6px 0 22px;
  border: var(--edge-w) solid var(--edge);
  background: var(--surface);
  display: grid;
  gap: 1px;
}

.page-privacy .pv-facts__row{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 15px;
  background: var(--surface);
  box-shadow: 0 0 0 1px var(--edge);
}

.page-privacy .pv-facts__k{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--accent-alt);
}

.page-privacy .pv-facts__v{
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text);
}

/* ---------- 信息流向图 ---------- */

.page-privacy .pv-flowwrap{
  margin: 6px 0 22px;
  padding-bottom: 8px;
  overflow-x: auto;
  border-bottom: var(--edge-w) solid var(--edge);
}

.page-privacy .pv-flow{
  display: block;
  width: 100%;
  min-width: 600px;
  height: auto;
}

.page-privacy .pv-flow__rect{
  fill: var(--surface-2);
  stroke: var(--edge-strong);
  stroke-width: 1;
}

.page-privacy .pv-flow__rect--mid{
  fill: var(--surface);
}

.page-privacy .pv-flow__rect--out{
  fill: var(--wash);
  stroke: var(--accent-alt);
  stroke-opacity: .55;
}

.page-privacy .pv-flow__t{
  font-family: var(--font-body);
}

.page-privacy .pv-flow__t--k{
  font-size: 13.5px;
  font-weight: 700;
  fill: var(--text);
}

.page-privacy .pv-flow__t--s{
  font-size: 11.5px;
  fill: var(--text-dim);
}

.page-privacy .pv-flow__line{
  stroke: var(--edge-strong);
  stroke-width: 1;
}

.page-privacy .pv-flow__head{
  fill: var(--accent-alt);
}

/* ---------- 延伸阅读 ---------- */

.page-privacy .pv-more{
  margin-top: 40px;
  padding-top: 28px;
  border-top: 2px solid var(--edge-strong);
}

.page-privacy .pv-more__title{
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--text);
}

.page-privacy .pv-more__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--edge);
  border: var(--edge-w) solid var(--edge);
}

.page-privacy .pv-more__link{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  padding: 13px 15px;
  background: var(--bg);
  text-decoration: none;
  transition: background-color .18s ease;
}

.page-privacy .pv-more__link:hover,
.page-privacy .pv-more__link:focus-visible{
  background: var(--wash);
  outline: none;
}

.page-privacy .pv-more__k{
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-privacy .pv-more__v{
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-dim);
}

/* ---------- 宽带 ---------- */

@media (min-width: 640px){
  .page-privacy .pv-facts__row{
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .pv-more__link{
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

/* ---------- 桌面：左索引 + 右窄栏阅读 ---------- */

@media (min-width: 920px){
  .page-privacy{
    padding-bottom: 120px;
  }

  .page-privacy .pv-wrap{
    padding: 0 36px;
  }

  .page-privacy .pv-hero{
    padding-top: 56px;
  }

  .page-privacy .pv-shell{
    grid-template-columns: var(--pv-index-w) minmax(0, var(--pv-w));
    gap: var(--pv-gap);
    justify-content: start;
    align-items: start;
    margin-top: 56px;
    padding-top: 48px;
  }

  .page-privacy .pv-index{
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    border-bottom: 0;
    padding-bottom: 0;
    border-top: var(--edge-w) solid var(--edge-strong);
    padding-top: 16px;
  }

  .page-privacy .pv-index__summary{
    display: none;
  }

  .page-privacy .pv-index__list{
    margin-top: 0;
  }

  .page-privacy .pv-index__link{
    font-size: 14px;
    padding-left: 14px;
  }

  .page-privacy .pv-sec{
    padding: 44px 0 48px;
  }

  .page-privacy .pv-sec__head{
    gap: 18px;
    margin-bottom: 22px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-privacy .pv-index__link,
  .page-privacy .pv-link,
  .page-privacy .pv-more__link{
    transition: none;
  }
}