.page-privacy {
  --pv-measure: 38rem;
  --pv-hair: rgba(159, 184, 176, .22);
  background: var(--ink);
  color: var(--ice);
  font-family: var(--font-sans);
}

/* ---------- 顶部横幅 ---------- */

.page-privacy .pv-hero {
  position: relative;
  padding: 1.5rem 0 2.5rem;
  border-bottom: var(--line) solid var(--graphite);
  background:
    radial-gradient(120% 80% at 88% 4%, rgba(43, 232, 198, .13), transparent 62%),
    linear-gradient(180deg, rgba(11, 35, 28, .9) 0%, rgba(6, 19, 15, 0) 68%),
    var(--ink);
}

.page-privacy .pv-hero .breadcrumbs {
  margin-bottom: 1.25rem;
}

.page-privacy .pv-hero__media {
  margin: 0 0 2rem;
  position: relative;
  overflow: hidden;
  border: var(--line) solid var(--graphite);
  background: var(--deep);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 2.75rem 100%, 0 calc(100% - 2.75rem));
}

.page-privacy .pv-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(.72) contrast(1.06);
}

.page-privacy .pv-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 19, 15, 0) 34%, rgba(6, 19, 15, .82) 100%);
  pointer-events: none;
}

.page-privacy .pv-hero__text {
  max-width: 46rem;
}

.page-privacy .pv-hero__title {
  margin: .6rem 0 1.1rem;
  font-size: clamp(1.95rem, 6.2vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -.03em;
  font-weight: 900;
  color: var(--ice);
}

.page-privacy .pv-hero__lead {
  max-width: 40rem;
  margin: 0;
  font-size: clamp(1rem, 1.7vw, 1.1rem);
  line-height: 1.9;
  color: var(--moss);
}

/* ---------- 章节目录 ---------- */

.page-privacy .pv-toc {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(6, 19, 15, .95);
  border-bottom: 1px solid var(--pv-hair);
  backdrop-filter: blur(8px);
}

.page-privacy .pv-toc__inner {
  display: flex;
  align-items: center;
  gap: .45rem 1rem;
  padding-top: .8rem;
  padding-bottom: .8rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pv-toc__inner::-webkit-scrollbar {
  display: none;
}

.page-privacy .pv-toc__label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pv-toc__link {
  flex: 0 0 auto;
  padding: .25rem .55rem;
  font-size: .8rem;
  line-height: 1.6;
  white-space: nowrap;
  color: var(--moss);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--cyan);
}

/* ---------- 正文 ---------- */

.page-privacy .pv-flow {
  padding: 2.75rem 0 3.5rem;
}

.page-privacy .pv-section {
  padding: 2.5rem 0;
  border-top: 1px solid var(--pv-hair);
  scroll-margin-top: 5.5rem;
}

.page-privacy .pv-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pv-section__grid {
  max-width: 46rem;
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-privacy .pv-section__num {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .26em;
  color: var(--cyan);
}

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

.page-privacy .pv-section__title {
  margin: 0 0 .9rem;
  font-size: clamp(1.35rem, 3.6vw, 1.8rem);
  line-height: 1.28;
  letter-spacing: -.02em;
  font-weight: 900;
  color: var(--ice);
}

.page-privacy .pv-section__body p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ice);
}

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

.page-privacy .pv-section__body a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 198, .5);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pv-section__body a:hover,
.page-privacy .pv-section__body a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 细分隔线要点列表 ---------- */

.page-privacy .pv-rows {
  list-style: none;
  margin: 1.25rem 0 1.25rem;
  padding: 0;
  border-top: 1px solid var(--pv-hair);
}

.page-privacy .pv-rows > li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--pv-hair);
}

.page-privacy .pv-section__body > .pv-rows:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-rows__key {
  display: block;
  margin-bottom: .4rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-privacy .pv-rows__val {
  display: block;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--ice);
}

/* ---------- 关键术语 ---------- */

.page-privacy .pv-term {
  position: relative;
  display: inline-block;
  color: var(--cyan-soft);
  border-bottom: 1px dashed var(--cyan);
  cursor: help;
  outline: none;
}

.page-privacy .pv-term:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-privacy .pv-term__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + .5rem);
  width: min(18rem, calc(100vw - 3.5rem));
  padding: .7rem .8rem;
  background: var(--pine);
  border: 1px solid var(--cyan);
  color: var(--ice);
  font-family: var(--font-sans);
  font-size: .8rem;
  line-height: 1.75;
  letter-spacing: 0;
  text-align: left;
  white-space: normal;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
  z-index: 30;
  pointer-events: none;
}

.page-privacy .pv-term:hover .pv-term__tip,
.page-privacy .pv-term:focus-visible .pv-term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 尾部 ---------- */

.page-privacy .pv-foot {
  border-top: var(--line) solid var(--graphite);
  background: var(--pine);
  padding: 2.5rem 0 3rem;
}

.page-privacy .pv-foot__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-privacy .pv-foot__title {
  margin: 0 0 .75rem;
  font-size: clamp(1.3rem, 3.4vw, 1.7rem);
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--ice);
}

.page-privacy .pv-foot__copy p {
  margin: 0 0 1.25rem;
  max-width: 34rem;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--moss);
}

.page-privacy .pv-foot__meta {
  border: var(--line) solid var(--graphite);
  background: var(--deep);
  box-shadow: var(--shadow-hard);
  padding: 1.25rem 1.35rem;
}

.page-privacy .pv-foot__label {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-privacy .pv-foot__value {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .95rem;
  letter-spacing: .02em;
  line-height: 1.6;
  color: var(--ice);
  word-break: break-all;
}

.page-privacy .pv-foot__note {
  margin: 0;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-privacy .pv-hero {
    padding-top: 2rem;
    padding-bottom: 3rem;
  }

  .page-privacy .pv-hero__media {
    margin-bottom: 2.5rem;
  }

  .page-privacy .pv-section__grid {
    grid-template-columns: 4.25rem minmax(0, 1fr);
    gap: 0 1.75rem;
  }

  .page-privacy .pv-section__num {
    margin: 0;
    padding-top: .5rem;
  }

  .page-privacy .pv-rows > li {
    display: grid;
    grid-template-columns: 8.75rem minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
  }

  .page-privacy .pv-rows__key {
    margin-bottom: 0;
    padding-top: .22rem;
  }

  .page-privacy .pv-rows__val {
    font-size: .95rem;
  }

  .page-privacy .pv-foot__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-privacy .pv-flow {
    padding: 3.5rem 0 4.5rem;
  }

  .page-privacy .pv-section {
    padding: 3rem 0;
  }

  .page-privacy .pv-section__grid {
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: 0 2.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .pv-term__tip,
  .page-privacy .pv-section__body a {
    transition: none;
  }
}
<<<END>>>