.page-privacy {
  --index-w: 232px;
  --read-max: 38em;
  --privacy-line: rgba(42, 74, 120, .6);
  --privacy-line-soft: rgba(42, 74, 120, .35);
}

.page-privacy .privacy-hero {
  padding-top: 26px;
  padding-bottom: 4px;
}

.page-privacy .privacy-hero__shell {
  display: block;
}

.page-privacy .privacy-hero__kicker {
  margin: 18px 0 0;
  color: var(--ice);
  letter-spacing: .16em;
}

.page-privacy .privacy-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8.5vw, 60px);
  line-height: 1.06;
  letter-spacing: -.012em;
  color: var(--ink);
  max-width: 16ch;
  overflow-wrap: break-word;
}

.page-privacy .privacy-hero__lead {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: 17px;
  line-height: 1.78;
  color: var(--muted);
}

.page-privacy .privacy-hero__tags {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .privacy-banner {
  margin: 30px 0 0;
  position: relative;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 42px;
  padding-bottom: 80px;
}

/* 章节索引 */
.page-privacy .privacy-index {
  border: 2px solid var(--edge);
  background: var(--tier);
  box-shadow: var(--shadow-hard-sm);
  padding: 16px 14px 18px;
}

.page-privacy .privacy-index__label {
  color: var(--muted);
  letter-spacing: .14em;
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-privacy .privacy-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px 9px 10px;
  border-left: 3px solid transparent;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--ink);
  border-left-color: var(--ice);
  background-color: rgba(111, 255, 233, .07);
}

.page-privacy .privacy-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ice);
}

/* 正文列 */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-sec {
  border-top: 1px solid var(--privacy-line);
  padding-top: 26px;
  scroll-margin-top: 118px;
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: 46px;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .privacy-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--pulse);
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 5.2vw, 29px);
  line-height: 1.28;
  letter-spacing: -.005em;
  color: var(--ink);
}

.page-privacy .privacy-sec__body {
  max-width: var(--read-max);
}

.page-privacy .privacy-sec__body p {
  margin: 0 0 14px;
}

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

/* 关键术语：冰青细下划线 */
.page-privacy .term {
  color: var(--ink);
  border-bottom: 1px solid var(--ice);
  padding-bottom: 1px;
}

/* 定义列表 */
.page-privacy .privacy-defs {
  margin: 20px 0 0;
  max-width: var(--read-max);
  border-top: 1px dashed var(--privacy-line-soft);
}

.page-privacy .privacy-defs__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--privacy-line-soft);
}

.page-privacy .privacy-defs dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--ice);
}

.page-privacy .privacy-defs dd {
  margin: 0;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.72;
}

/* 标签条 */
.page-privacy .privacy-chips {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  max-width: var(--read-max);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .privacy-chips__item {
  border: 1px solid var(--edge);
  background: var(--night);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  padding: 7px 12px;
  letter-spacing: .02em;
}

/* 展开提示 */
.page-privacy .privacy-accordion {
  margin-top: 20px;
  max-width: var(--read-max);
}

.page-privacy .privacy-steps {
  counter-reset: privstep;
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-privacy .privacy-steps li {
  position: relative;
  padding-left: 32px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.page-privacy .privacy-steps li::before {
  counter-increment: privstep;
  content: counter(privstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ice);
}

.page-privacy .privacy-accordion__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--privacy-line-soft);
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* 安全措施 */
.page-privacy .privacy-measures {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  max-width: var(--read-max);
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-measures__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 16px;
  background: var(--tier);
  border-left: 3px solid var(--channel);
}

.page-privacy .privacy-measures__item:nth-child(2) {
  border-left-color: var(--pulse);
}

.page-privacy .privacy-measures__item:nth-child(3) {
  border-left-color: var(--ice);
}

.page-privacy .privacy-measures__k {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--ink);
}

.page-privacy .privacy-measures__v {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

/* 正文内链 */
.page-privacy .privacy-sec__body a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(111, 255, 233, .45);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-privacy .privacy-sec__body a:hover,
.page-privacy .privacy-sec__body a:focus-visible {
  border-bottom-color: var(--ice);
}

@media (min-width: 640px) {
  .page-privacy .privacy-defs__item {
    grid-template-columns: 140px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-privacy .privacy-measures__item {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding-top: 40px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--index-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    margin-top: 54px;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 108px;
    padding: 20px 16px 22px;
  }

  .page-privacy .privacy-sec {
    padding-top: 30px;
  }

  .page-privacy .privacy-sec + .privacy-sec {
    margin-top: 54px;
  }
}

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