.page-privacy {
  --pv-rail-w: 230px;
  --pv-gap: clamp(28px, 4.5vw, 68px);
  background: var(--ink-900);
  color: var(--fg);
}

/* ---------- 阅读进度 ---------- */
.page-privacy .pv-progress {
  position: sticky;
  top: var(--header-h);
  z-index: 30;
  height: 2px;
  background: var(--line-soft);
}

.page-privacy .pv-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-soft));
  transition: transform .12s linear;
}

/* ---------- 页眉 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-900);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-privacy .pv-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: none;
  opacity: .34;
  filter: saturate(.55) contrast(1.06);
}

.page-privacy .pv-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(118% 92% at 10% 6%, rgba(53, 224, 208, .18), transparent 60%),
    linear-gradient(180deg, rgba(7, 19, 15, .58) 0%, rgba(7, 19, 15, .92) 70%, var(--ink-900) 100%);
}

.page-privacy .pv-hero__inner {
  position: relative;
  padding-top: clamp(40px, 6vw, 76px);
  padding-bottom: clamp(48px, 7vw, 92px);
}

.page-privacy .pv-crumb {
  margin-bottom: clamp(26px, 4vw, 46px);
}

.page-privacy .pv-crumb .ig-crumb__list {
  color: var(--mute-dark);
}

.page-privacy .pv-crumb a {
  color: var(--mute-dark);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-privacy .pv-crumb a:hover {
  color: var(--cyan);
}

.page-privacy .pv-crumb li[aria-current] {
  color: var(--paper);
}

.page-privacy .pv-hero__eyebrow {
  margin: 0 0 14px;
}

.page-privacy .pv-hero__title {
  max-width: 17ch;
  margin: 0 0 clamp(18px, 3vw, 28px);
  color: var(--paper);
  letter-spacing: -.02em;
  line-height: 1.14;
}

.page-privacy .pv-hero__lead {
  max-width: 46ch;
  margin: 0;
  color: var(--mute-dark);
  font-size: var(--fs-17);
  line-height: 1.9;
}

.page-privacy .pv-hero__facts {
  margin: clamp(24px, 3.5vw, 40px) 0 0;
}

/* ---------- 纸面正文区 ---------- */
.page-privacy .pv-sheet {
  background: var(--paper);
  color: var(--ink-800);
  padding: clamp(40px, 6vw, 88px) 0 clamp(56px, 8vw, 124px);
}

.page-privacy .pv-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pv-gap);
}

.page-privacy .pv-doc {
  max-width: 74ch;
  min-width: 0;
}

/* ---------- 条款章节 ---------- */
.page-privacy .pv-clause {
  padding: clamp(30px, 4.2vw, 54px) 0;
  border-top: 1px solid var(--line-paper);
  scroll-margin-top: calc(var(--header-h) + 32px);
}

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

.page-privacy .pv-clause__no {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-13);
  letter-spacing: .3em;
  color: var(--cyan-deep);
  margin-bottom: 12px;
}

.page-privacy .pv-clause__title {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  color: var(--ink-800);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  line-height: 1.32;
  letter-spacing: -.01em;
}

.page-privacy .pv-prose p {
  margin: 0 0 1em;
  max-width: 44ch;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--ink-800);
}

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

.page-privacy .pv-prose--after {
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-privacy .pv-prose--after p {
  color: var(--mute-paper);
}

/* ---------- 场景定义列表 ---------- */
.page-privacy .pv-scenes {
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-privacy .pv-scene {
  padding: clamp(18px, 2.4vw, 24px);
  background: var(--paper-3);
  border: 1px solid var(--line-paper);
  border-radius: var(--r-md);
  border-left: 3px solid var(--cyan-deep);
}

.page-privacy .pv-scene dt {
  margin-bottom: 8px;
  font-size: var(--fs-17);
  font-weight: 700;
  color: var(--ink-800);
  letter-spacing: -.01em;
}

.page-privacy .pv-scene dd {
  margin: 0;
  max-width: 48ch;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--mute-paper);
}

/* ---------- 用途清单 ---------- */
.page-privacy .pv-uses {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pv-uses li {
  position: relative;
  padding-left: 26px;
  max-width: 46ch;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--ink-800);
}

.page-privacy .pv-uses li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .74em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan-deep);
  box-shadow: 0 0 0 3px rgba(14, 107, 99, .14);
}

/* ---------- 保存期限表 ---------- */
.page-privacy .pv-terms {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-paper);
}

.page-privacy .pv-term {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 4px 24px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line-paper);
}

.page-privacy .pv-term__label {
  font-size: var(--fs-17);
  color: var(--ink-800);
  min-width: 11em;
}

.page-privacy .pv-term__value {
  font-family: var(--font-mono);
  font-size: var(--fs-15);
  letter-spacing: .02em;
  color: var(--score-deep);
  white-space: nowrap;
}

/* ---------- 操作步骤 ---------- */
.page-privacy .pv-actions {
  list-style: none;
  counter-reset: pv-act;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .pv-actions li {
  counter-increment: pv-act;
  position: relative;
  padding-left: 50px;
  max-width: 48ch;
  font-size: var(--fs-17);
  line-height: 1.85;
  color: var(--ink-800);
}

.page-privacy .pv-actions li::before {
  content: counter(pv-act, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .18em;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--cyan-deep);
  border: 1px solid var(--line-paper);
  border-radius: var(--r-pill);
  padding: 3px 8px;
  background: var(--paper-3);
}

/* ---------- 联系方式块 ---------- */
.page-privacy .pv-contact {
  margin-top: clamp(20px, 3vw, 30px);
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--r-lg);
  background: var(--ink-900);
  border: 1px solid var(--line);
}

.page-privacy .pv-contact__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-privacy .pv-contact__list li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
}

.page-privacy .pv-k {
  flex: 0 0 auto;
  min-width: 5.5em;
  font-size: var(--fs-13);
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .pv-v {
  font-size: var(--fs-15);
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .pv-contact__note {
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  max-width: 46ch;
  font-size: var(--fs-15);
  line-height: 1.8;
  color: var(--mute-dark);
}

/* ---------- 收尾 ---------- */
.page-privacy .pv-tail {
  margin-top: clamp(32px, 4.5vw, 52px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-paper);
}

.page-privacy .pv-tail p {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fs-15);
  line-height: 1.85;
  color: var(--mute-paper);
}

.page-privacy .pv-link {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 107, 99, .4);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pv-link:hover {
  color: var(--score-deep);
  border-color: var(--score-deep);
}

/* ---------- 侧栏索引 ---------- */
.page-privacy .pv-rail {
  order: -1;
  min-width: 0;
  border-top: 1px solid var(--line-paper);
  padding-top: 22px;
}

.page-privacy .pv-rail__inner {
  display: grid;
}

.page-privacy .pv-rail__tag {
  display: inline-block;
  justify-self: start;
  writing-mode: vertical-rl;
  max-height: 170px;
  margin-bottom: 18px;
  padding-right: 8px;
  border-right: 1px solid var(--cyan-deep);
  font-size: var(--fs-12);
  letter-spacing: .3em;
  color: var(--mute-paper);
  overflow: hidden;
}

.page-privacy .pv-index {
  display: grid;
  gap: 3px;
}

.page-privacy .pv-index__link {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  align-items: baseline;
  gap: 6px;
  padding: 9px 10px;
  border-radius: var(--r-sm);
  font-size: var(--fs-15);
  line-height: 1.5;
  color: var(--mute-paper);
  text-decoration: none;
  transition: color .22s var(--ease), background-color .22s var(--ease);
}

.page-privacy .pv-index__link:hover {
  color: var(--cyan-deep);
  background: rgba(14, 107, 99, .07);
}

.page-privacy .pv-index__link[aria-current="true"] {
  color: var(--cyan-deep);
  background: rgba(14, 107, 99, .11);
  font-weight: 600;
}

.page-privacy .pv-index__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  opacity: .78;
}

.page-privacy .pv-rail__hint {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-paper);
  font-size: var(--fs-13);
  line-height: 1.75;
  color: var(--mute-paper);
}

/* ---------- 断点 ---------- */
@media (min-width: 900px) {
  .page-privacy .pv-grid {
    grid-template-columns: minmax(0, 1fr) var(--pv-rail-w);
    align-items: start;
  }

  .page-privacy .pv-rail {
    order: 0;
    border-top: 0;
    border-left: 1px solid var(--line-paper);
    padding-top: 4px;
    padding-left: 26px;
  }

  .page-privacy .pv-rail__inner {
    position: sticky;
    top: calc(var(--header-h) + 30px);
  }

  .page-privacy .pv-rail__tag {
    max-height: 210px;
  }
}

@media (max-width: 560px) {
  .page-privacy .pv-hero__title {
    max-width: 100%;
  }

  .page-privacy .pv-term {
    flex-direction: column;
    gap: 4px;
  }

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

  .page-privacy .pv-index__link {
    font-size: var(--fs-13);
  }
}

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