.page-privacy {
  --pv-measure: 64ch;
  --pv-rail: 170px;
  display: block;
  padding-block: clamp(20px, 4vw, 44px) clamp(56px, 9vw, 110px);
  background:
    radial-gradient(880px 420px at 10% -8%, rgba(99, 210, 196, .07), transparent 62%),
    radial-gradient(720px 380px at 96% 6%, rgba(245, 208, 0, .05), transparent 64%);
}

/* ---------- 顶部装饰横条 ---------- */
.page-privacy .pv-hero {
  position: relative;
  margin: 0 0 clamp(18px, 3vw, 28px);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}
.page-privacy .pv-hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(.68) contrast(1.08) brightness(.76);
}
.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: var(--yellow);
}
.page-privacy .pv-hero figcaption {
  padding: 10px 14px;
  font: 400 13px/1.6 var(--font-body);
  color: var(--muted);
  background: var(--ink-deep);
  border-top: 1px solid var(--line-soft);
}
@media (min-width: 760px) {
  .page-privacy .pv-hero img { aspect-ratio: 3 / 1; }
}

/* ---------- 面包屑与页头 ---------- */
.page-privacy .breadcrumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-privacy .pv-head {
  padding-top: clamp(18px, 3vw, 30px);
  margin-bottom: clamp(30px, 5vw, 62px);
  border-top: 1px solid var(--line);
}
.page-privacy .pv-head .eyebrow {
  margin: 0 0 14px;
}
.page-privacy .pv-head h1 {
  margin: 0 0 20px;
  max-width: 22ch;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(28px, 4.8vw, 54px);
  line-height: 1.1;
  letter-spacing: -.012em;
  color: var(--paper);
}
.page-privacy .pv-head .lede {
  margin: 0;
}
.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font: 400 12.5px/1.6 var(--font-mono);
  color: var(--muted);
  letter-spacing: .01em;
}

/* ---------- 主栅格 ---------- */
.page-privacy .pv-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
@media (min-width: 960px) {
  .page-privacy .pv-grid {
    grid-template-columns: minmax(0, 1fr) var(--pv-rail);
  }
}

.page-privacy .pv-body {
  max-width: var(--pv-measure);
}

/* ---------- 章节 ---------- */
.page-privacy .pv-sec {
  padding-top: clamp(24px, 3.5vw, 46px);
  margin-top: clamp(24px, 3.5vw, 46px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--nav-h) + 28px);
}
.page-privacy .pv-sec:first-of-type {
  padding-top: 0;
  margin-top: 0;
  border-top: 0;
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}
.page-privacy .pv-num {
  flex: none;
  padding: 2px 7px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.5;
  letter-spacing: .08em;
  color: var(--yellow);
  border: 1px solid var(--yellow);
  border-radius: var(--radius);
}
.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.6vw, 27px);
  line-height: 1.32;
  letter-spacing: -.006em;
  color: var(--paper);
}

.page-privacy .pv-sec__body p {
  margin: 0 0 16px;
  font: 400 16px/1.78 var(--font-body);
  color: rgba(242, 245, 244, .84);
}
.page-privacy .pv-sec__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 键值条目 ---------- */
.page-privacy .pv-list {
  display: grid;
  gap: 2px;
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.page-privacy .pv-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 15px;
  background: var(--panel);
  border-left: 2px solid var(--line);
  font-size: 15px;
  line-height: 1.72;
  color: rgba(242, 245, 244, .84);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}
.page-privacy .pv-list li:hover {
  border-left-color: var(--yellow);
  background: #213430;
}
.page-privacy .pv-k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--teal);
}
@media (min-width: 620px) {
  .page-privacy .pv-list li {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
  .page-privacy .pv-k {
    padding-top: 1px;
  }
}

/* ---------- 提示块 ---------- */
.page-privacy .pv-note {
  margin: 20px 0 0;
  padding: 15px 18px;
  background: var(--glass);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--yellow);
  font-size: 14.5px;
  line-height: 1.76;
  color: rgba(242, 245, 244, .82);
}
.page-privacy .pv-note--alert {
  border-left-color: var(--red);
}

/* ---------- 悬停解释 ---------- */
.page-privacy .pv-hint {
  position: relative;
  color: var(--paper);
  border-bottom: 1px dashed var(--teal);
  cursor: help;
  outline-offset: 3px;
}
.page-privacy .pv-hint::after {
  content: attr(data-hint);
  position: absolute;
  left: 0;
  bottom: calc(100% + 9px);
  width: min(272px, 74vw);
  padding: 9px 12px;
  background: var(--ink-deep);
  border: 1px solid var(--line);
  color: var(--paper);
  font: 400 12.5px/1.62 var(--font-body);
  letter-spacing: 0;
  white-space: normal;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s linear;
  pointer-events: none;
  z-index: 5;
}
.page-privacy .pv-hint:hover::after,
.page-privacy .pv-hint:focus-visible::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 右侧章节刻度 ---------- */
.page-privacy .pv-rail {
  display: none;
}
@media (min-width: 960px) {
  .page-privacy .pv-rail {
    display: block;
    position: sticky;
    top: calc(var(--nav-h) + 30px);
    align-self: start;
  }
}
.page-privacy .pv-rail__title {
  margin: 0 0 12px;
  font: 400 12px/1.4 var(--font-mono);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-privacy .pv-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}
.page-privacy .pv-rail__list a {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 9px 0 9px 12px;
  border-left: 1px solid var(--line-soft);
  text-decoration: none;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--muted);
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}
.page-privacy .pv-rail__list a:hover {
  color: var(--paper);
  border-left-color: var(--teal);
}
.page-privacy .pv-rail__list a[aria-current="true"] {
  color: var(--yellow);
  border-left-color: var(--yellow);
  background: linear-gradient(90deg, rgba(245, 208, 0, .1), transparent 82%);
}
.page-privacy .pv-rail__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: inherit;
  opacity: .8;
}

/* ---------- 后续入口 ---------- */
.page-privacy .pv-next {
  margin-top: clamp(42px, 6.5vw, 78px);
  padding-top: clamp(24px, 3vw, 38px);
  border-top: 1px solid var(--line);
}
.page-privacy .pv-next__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.3;
  color: var(--paper);
}
.page-privacy .pv-next__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}
@media (min-width: 720px) {
  .page-privacy .pv-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}
.page-privacy .pv-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--teal);
  text-decoration: none;
  color: inherit;
  transition: transform .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}
.page-privacy .pv-card:hover {
  transform: translateY(-3px);
  border-top-color: var(--yellow);
  background: #213430;
}
.page-privacy .pv-card__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--muted);
}
.page-privacy .pv-card__t {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}
.page-privacy .pv-card__d {
  font-size: 13.5px;
  line-height: 1.68;
  color: rgba(242, 245, 244, .7);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-list li,
  .page-privacy .pv-rail__list a,
  .page-privacy .pv-card,
  .page-privacy .pv-hint::after {
    transition: none;
  }
  .page-privacy .pv-card:hover {
    transform: none;
  }
}
<<<END>>>