.page-privacy {
  --prv-measure: 860px;
  --prv-rail: 56px;
  --prv-mark-col: 42px;
  background: var(--ab-paper);
  color: var(--ab-ink);
}

/* ---------- 顶部通栏横幅 ---------- */
.page-privacy .prv-banner {
  position: relative;
  background: var(--ab-indigo);
  overflow: hidden;
}

.page-privacy .prv-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: .88;
}

.page-privacy .prv-banner__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(247, 244, 237, .14) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(247, 244, 237, .08) 0 1px, transparent 1px 96px),
    linear-gradient(180deg, rgba(11, 18, 48, 0) 38%, rgba(11, 18, 48, .62) 100%);
}

.page-privacy .prv-banner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--ab-red) 0 50%, var(--ab-blue) 50% 100%);
}

/* ---------- 窄版容器 ---------- */
.page-privacy .prv-shell {
  width: 100%;
  max-width: calc(var(--prv-measure) + var(--ab-gutter) * 2);
  margin: 0 auto;
  padding: 26px var(--ab-gutter) 64px;
}

.page-privacy .prv-crumb {
  margin-bottom: 22px;
  font-size: 13px;
}

/* ---------- 页首区 ---------- */
.page-privacy .prv-head {
  padding-bottom: 26px;
  border-bottom: 1px solid var(--ab-line);
}

.page-privacy .prv-kicker {
  display: inline-block;
  margin-bottom: 16px;
}

.page-privacy .prv-h1 {
  margin: 0 0 16px;
  font-family: var(--ab-font-sans);
  font-size: 29px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.02em;
  color: var(--ab-ink);
}

.page-privacy .prv-lede {
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ab-ink-70);
}

.page-privacy .prv-stamps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}

.page-privacy .prv-stamps li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 11px 13px;
  background: var(--ab-paper);
}

.page-privacy .prv-stamps__k {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ab-ink-50);
}

.page-privacy .prv-stamps__v {
  font-family: var(--ab-font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ab-ink);
  word-break: break-all;
}

/* ---------- 章节导航 ---------- */
.page-privacy .prv-toc {
  margin: 30px 0 4px;
  padding: 16px 16px 12px;
  border: 1px solid var(--ab-line);
  background:
    linear-gradient(180deg, rgba(18, 87, 214, .06), rgba(224, 31, 45, .045));
}

.page-privacy .prv-toc__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ab-ink-50);
}

.page-privacy .prv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .prv-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  border-left: 3px solid transparent;
  font-size: 15px;
  line-height: 1.5;
  color: var(--ab-ink);
  text-decoration: none;
  transition: background var(--ab-dur) var(--ab-ease),
              border-color var(--ab-dur) var(--ab-ease);
}

.page-privacy .prv-toc__list a:hover,
.page-privacy .prv-toc__list a:focus-visible {
  background: rgba(18, 87, 214, .07);
  border-left-color: var(--ab-red);
}

.page-privacy .prv-toc__list a:focus-visible {
  outline: 2px solid var(--ab-amber);
  outline-offset: 2px;
}

.page-privacy .prv-toc__no {
  flex: 0 0 auto;
  font-family: var(--ab-font-mono);
  font-size: 12px;
  color: var(--ab-blue);
}

/* ---------- 章节 ---------- */
.page-privacy .prv-sec {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 10px;
  padding: 30px 0;
  border-bottom: 1px solid var(--ab-line);
  scroll-margin-top: 96px;
}

.page-privacy .prv-sec:first-of-type {
  border-top: 1px solid var(--ab-line);
  margin-top: 26px;
}

.page-privacy .prv-sec__no {
  font-family: var(--ab-font-mono);
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -.02em;
  color: var(--ab-red);
}

.page-privacy .prv-sec--blue .prv-sec__no {
  color: var(--ab-blue);
}

.page-privacy .prv-sec__mark {
  display: none;
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ab-ink-50);
  border-left: 1px solid var(--ab-line);
  padding-left: 9px;
  justify-self: end;
  align-self: start;
}

.page-privacy .prv-sec__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--ab-font-sans);
  font-size: 21px;
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ab-ink);
}

.page-privacy .prv-ico {
  flex: 0 0 auto;
  color: var(--ab-red);
}

.page-privacy .prv-sec--blue .prv-ico {
  color: var(--ab-blue);
}

.page-privacy .prv-sec__main > p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ab-ink-70);
}

.page-privacy .prv-sec__main > p:last-child {
  margin-bottom: 0;
}

/* ---------- 条目列表 ---------- */
.page-privacy .prv-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  border-top: 1px solid var(--ab-line);
}

.page-privacy .prv-list:last-child {
  margin-bottom: 0;
}

.page-privacy .prv-list__row {
  display: grid;
  grid-template-columns: 1fr;
  row-gap: 5px;
  padding: 13px 0;
  border-bottom: 1px solid var(--ab-line);
}

.page-privacy .prv-list__tag {
  font-family: var(--ab-font-mono);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--ab-red);
}

.page-privacy .prv-list__row:nth-child(even) .prv-list__tag {
  color: var(--ab-blue);
}

.page-privacy .prv-list__text {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ab-ink-70);
}

.page-privacy .prv-list--keep .prv-list__tag {
  color: var(--ab-blue);
}

.page-privacy .prv-list--keep .prv-list__row:nth-child(even) .prv-list__tag {
  color: var(--ab-red);
}

/* ---------- 联系区 ---------- */
.page-privacy .prv-reach {
  display: grid;
  gap: 1px;
  margin: 4px 0 18px;
  background: var(--ab-line);
  border: 1px solid var(--ab-line);
}

.page-privacy .prv-reach__mail {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 0;
  padding: 13px 14px;
  background: var(--ab-paper);
}

.page-privacy .prv-reach__k {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ab-ink-50);
}

.page-privacy .prv-reach__v {
  font-family: var(--ab-font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ab-ink);
  word-break: break-all;
}

.page-privacy .prv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .prv-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 34px;
  padding: 10px 15px;
  border: 1px solid var(--ab-line);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ab-ink);
  text-decoration: none;
  transition: border-color var(--ab-dur) var(--ab-ease),
              color var(--ab-dur) var(--ab-ease);
}

.page-privacy .prv-top:hover {
  border-color: var(--ab-red);
  color: var(--ab-red);
}

.page-privacy .prv-top:focus-visible {
  outline: 2px solid var(--ab-amber);
  outline-offset: 2px;
}

/* ---------- 响应式增强 ---------- */
@media (min-width: 640px) {
  .page-privacy .prv-banner img {
    aspect-ratio: 16 / 5;
  }

  .page-privacy .prv-h1 {
    font-size: 38px;
  }

  .page-privacy .prv-lede {
    font-size: 17px;
    max-width: 60ch;
  }

  .page-privacy .prv-stamps {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-privacy .prv-toc__list {
    grid-template-columns: 1fr 1fr;
    column-gap: 20px;
  }

  .page-privacy .prv-list__row {
    grid-template-columns: 128px minmax(0, 1fr);
    column-gap: 20px;
    row-gap: 0;
  }

  .page-privacy .prv-list__tag {
    padding-top: 2px;
  }

  .page-privacy .prv-sec__title {
    font-size: 23px;
  }
}

@media (min-width: 900px) {
  .page-privacy .prv-shell {
    padding: 46px var(--ab-gutter) 110px;
  }

  .page-privacy .prv-h1 {
    font-size: 44px;
  }

  .page-privacy .prv-sec {
    grid-template-columns: var(--prv-rail) minmax(0, 1fr) var(--prv-mark-col);
    column-gap: 24px;
    padding: 38px 0;
  }

  .page-privacy .prv-sec__no {
    font-size: 22px;
  }

  .page-privacy .prv-sec__mark {
    display: block;
  }

  .page-privacy .prv-sec__title {
    font-size: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-toc__list a,
  .page-privacy .prv-top {
    transition: none;
  }
}
</PAGE_CSS>>>