.page-privacy {
  --pv-rail: 252px;
  --pv-clause-gap: clamp(1.75rem, 4vw, 2.75rem);
  background: var(--sky-night);
  color: var(--sky-white);
  font-family: var(--font-body);
  overflow-x: clip;
}

/* ---------- 封面 ---------- */
.page-privacy .pv-cover {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--sky-line);
}

.page-privacy .pv-cover__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .28;
}

.page-privacy .pv-cover__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 15% 0%, rgba(43, 232, 210, .16), transparent 62%),
    linear-gradient(180deg, rgba(7, 14, 31, .45) 0%, rgba(7, 14, 31, .96) 88%);
}

.page-privacy .pv-cover__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 35%;
}

.page-privacy .pv-cover__body {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(2.5rem, 7vw, 5.5rem) var(--gutter) clamp(2.25rem, 5vw, 3.75rem);
}

.page-privacy .pv-cover__eyebrow {
  margin: 0 0 clamp(.75rem, 2vw, 1.125rem);
  font-size: 13px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sky-cyan);
}

.page-privacy .pv-cover__title {
  max-width: 20ch;
  margin: 0;
  font-family: var(--font-cond);
  font-size: clamp(28px, 6.2vw, 40px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--sky-white);
}

.page-privacy .pv-cover__lead {
  max-width: 52ch;
  margin: clamp(1rem, 2.6vw, 1.5rem) 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--sky-mist);
}

.page-privacy .pv-cover__meta {
  margin: clamp(1.25rem, 3vw, 1.875rem) 0 0;
  padding-top: clamp(.875rem, 2vw, 1.25rem);
  border-top: 1px solid var(--sky-line);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--sky-mist);
}

/* ---------- 分屏骨架 ---------- */
.page-privacy .pv-split {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(1.75rem, 5vw, 3.25rem) var(--gutter) clamp(4rem, 9vw, 7rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

/* ---------- 条款目录 ---------- */
.page-privacy .pv-rail {
  min-width: 0;
}

.page-privacy .pv-rail__inner {
  padding: clamp(1rem, 3vw, 1.25rem) clamp(.875rem, 2.5vw, 1.125rem);
  background: var(--sky-panel);
  border: 1px solid var(--sky-line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-panel);
}

.page-privacy .pv-rail__title {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sky-mist);
}

.page-privacy .pv-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .125rem;
}

.page-privacy .pv-rail__list a {
  display: flex;
  align-items: baseline;
  gap: .625rem;
  min-height: 44px;
  padding: .5rem .625rem;
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--sky-mist);
  text-decoration: none;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-privacy .pv-rail__list a:hover,
.page-privacy .pv-rail__list a:focus-visible {
  background: var(--sky-raise);
  border-left-color: var(--sky-cyan);
  color: var(--sky-white);
}

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

.page-privacy .pv-rail__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--sky-cyan);
}

/* ---------- 条款正文 ---------- */
.page-privacy .pv-body {
  min-width: 0;
}

.page-privacy .pv-clause {
  position: relative;
  padding-block: var(--pv-clause-gap);
  border-top: 1px solid var(--sky-line);
}

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

.page-privacy .pv-clause:last-child {
  padding-bottom: 0;
}

.page-privacy .pv-clause__head {
  display: flex;
  align-items: baseline;
  gap: clamp(.75rem, 2.2vw, 1.125rem);
  margin-bottom: clamp(.875rem, 2vw, 1.25rem);
}

.page-privacy .pv-clause__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(20px, 5vw, 28px);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--sky-cyan);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-clause__title {
  margin: 0;
  font-family: var(--font-cond);
  font-size: clamp(20px, 4.4vw, 28px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--sky-white);
  text-wrap: balance;
}

.page-privacy .pv-clause__body {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--sky-white);
}

.page-privacy .pv-clause__body p {
  margin: 0 0 1.1em;
}

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

.page-privacy .pv-list {
  margin: 0 0 1.1em;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .875rem;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 16px;
  line-height: 1.82;
  color: var(--sky-white);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: .25rem;
  top: .74em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--sky-cyan);
  opacity: .85;
}

.page-privacy .pv-list strong {
  color: var(--sky-cyan-soft);
  font-weight: 600;
}

.page-privacy .pv-note {
  margin: 0;
  padding: .75rem 0 .75rem .875rem;
  border-left: 2px solid var(--sky-line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--sky-mist);
}

.page-privacy .pv-link {
  color: var(--sky-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 210, .38);
}

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

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

/* 关键条款：浅青竖线 + 极淡底纹 */
.page-privacy .pv-clause--key {
  padding-inline: clamp(.875rem, 3vw, 1.5rem);
  border-radius: var(--r-sm);
  background: linear-gradient(
    90deg,
    rgba(43, 232, 210, .075) 0%,
    rgba(43, 232, 210, .02) 46%,
    rgba(43, 232, 210, 0) 78%
  );
}

.page-privacy .pv-clause--key::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--pv-clause-gap);
  bottom: var(--pv-clause-gap);
  width: 3px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--sky-cyan), rgba(43, 232, 210, .08));
}

/* 锚点定位后做一次色块提示 */
.page-privacy .pv-clause:target .pv-clause__no {
  color: var(--sky-yellow);
}

.page-privacy .pv-clause:target .pv-clause__title {
  color: var(--sky-cyan-soft);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .pv-totop {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  min-height: 44px;
  padding: .625rem 1.125rem;
  border: 1px solid var(--sky-line);
  border-radius: var(--r-pill);
  background: rgba(22, 36, 63, .92);
  color: var(--sky-cyan);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  backdrop-filter: blur(6px);
  transition: background-color .18s ease, border-color .18s ease;
}

.page-privacy .pv-totop:hover,
.page-privacy .pv-totop:focus-visible {
  background: var(--sky-raise);
  border-color: var(--sky-cyan);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-privacy .pv-split {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-privacy .pv-rail__inner {
    position: sticky;
    top: calc(var(--head-h) + 1.25rem);
  }

  .page-privacy .pv-clause__body,
  .page-privacy .pv-list li {
    font-size: 17px;
  }
}

@media (max-width: 899px) {
  .page-privacy .pv-rail__list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .pv-cover__title {
    max-width: 24ch;
  }

  .page-privacy .pv-totop {
    right: 1rem;
    bottom: 1rem;
  }
}

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