.page-privacy {
  --pv-measure: 36em;
  --pv-narrow: 32em;
  --pv-tick: repeating-linear-gradient(
    to right,
    var(--pb-line) 0,
    var(--pb-line) 1px,
    transparent 1px,
    transparent 12px
  );
}

.page-privacy .pv-hero {
  padding-top: calc(var(--pb-header-h) + 24px);
  padding-bottom: 8px;
}

.page-privacy .pv-title {
  margin: 14px 0 0;
  font-size: clamp(28px, 6.4vw, 46px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 20em;
}

.page-privacy .pv-lead {
  margin-top: 16px;
  max-width: 38em;
  line-height: 1.85;
}

.page-privacy .pv-banner {
  margin: 30px 0 0;
  border: 1px solid var(--pb-line);
  background: var(--pb-ink-900);
  overflow: hidden;
}

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

.page-privacy .pv-banner .pb-figure__caption {
  padding: 10px 14px;
  border-top: 1px solid var(--pb-line);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--pb-ash);
}

.page-privacy .pv-doc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  padding-top: 36px;
  padding-bottom: 64px;
}

/* 章节索引 */
.page-privacy .pv-nav {
  border-top: 1px solid var(--pb-line);
  padding-top: 16px;
}

.page-privacy .pv-nav__title {
  margin: 0 0 12px;
}

.page-privacy .pv-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 14px;
}

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

.page-privacy .pv-nav__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.4;
  color: var(--pb-ash);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--pb-ease), border-color 180ms var(--pb-ease);
}

.page-privacy .pv-nav__num {
  font-family: var(--pb-font-mono);
  font-size: 12px;
  color: var(--pb-index);
  letter-spacing: 0.04em;
}

.page-privacy .pv-nav__list a:hover,
.page-privacy .pv-nav__list a:focus-visible {
  color: var(--pb-paper);
  border-bottom-color: var(--pb-pulse);
  outline: none;
}

.page-privacy .pv-nav__note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pb-line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--pb-ash);
}

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

.page-privacy .pv-section {
  scroll-margin-top: calc(var(--pb-header-h) + 24px);
}

.page-privacy .pv-section + .pv-section {
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--pb-line);
}

.page-privacy .pv-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-privacy .pv-num {
  font-family: var(--pb-font-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--pb-index);
  letter-spacing: 0.06em;
}

.page-privacy .pv-h2 {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 28px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-privacy .pv-key {
  margin: 18px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--pb-pulse);
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.65;
  color: var(--pb-paper);
  max-width: var(--pv-measure);
}

.page-privacy .pv-text {
  margin: 18px 0 0;
  max-width: var(--pv-narrow);
  font-size: 16px;
  line-height: 1.9;
  color: var(--pb-ash);
}

.page-privacy .pv-text--tail {
  margin-top: 22px;
}

.page-privacy .pv-link {
  color: var(--pb-paper);
  text-decoration: none;
  border-bottom: 1px solid var(--pb-pulse);
  padding-bottom: 1px;
}

.page-privacy .pv-link:hover,
.page-privacy .pv-link:focus-visible {
  color: var(--pb-pulse);
  outline: none;
}

/* 条目列表 */
.page-privacy .pv-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  max-width: var(--pv-measure);
}

.page-privacy .pv-item + .pv-item {
  border-top: 1px solid var(--pb-line);
}

.page-privacy .pv-item {
  padding: 16px 0 4px;
}

.page-privacy .pv-item__name {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--pb-paper);
}

.page-privacy .pv-item__name::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--pb-pulse);
  border-radius: 1px;
}

.page-privacy .pv-item__desc {
  margin: 8px 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pb-ash);
}

/* 折叠细则 */
.page-privacy .pv-fold {
  margin-top: 22px;
  max-width: var(--pv-measure);
  border: 1px solid var(--pb-line);
  background: var(--pb-ink-900);
}

.page-privacy .pv-fold + .pv-fold {
  margin-top: 10px;
}

.page-privacy .pv-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--pb-pulse);
  cursor: pointer;
  list-style: none;
}

.page-privacy .pv-fold > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-fold > summary::after {
  content: "+";
  font-family: var(--pb-font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--pb-ash);
}

.page-privacy .pv-fold[open] > summary::after {
  content: "−";
  color: var(--pb-pulse);
}

.page-privacy .pv-fold > summary:focus-visible {
  outline: 2px solid var(--pb-pulse);
  outline-offset: -2px;
}

.page-privacy .pv-fold__body {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--pb-line);
  color: var(--pb-ash);
  font-size: 15px;
  line-height: 1.9;
}

.page-privacy .pv-fold__body p {
  margin: 0;
  max-width: var(--pv-narrow);
}

.page-privacy .pv-fold__body p + p {
  margin-top: 12px;
}

/* 联系块 */
.page-privacy .pv-callout {
  margin-top: 24px;
  padding: 20px 18px;
  max-width: var(--pv-measure);
  background: linear-gradient(180deg, var(--pb-ink-900), var(--pb-ink-950));
  border: 1px solid var(--pb-line);
  border-left: 3px solid var(--pb-pulse);
}

.page-privacy .pv-callout__label {
  margin: 0 0 12px;
}

.page-privacy .pv-callout__rows {
  margin: 0;
}

.page-privacy .pv-callout__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 10px 0;
  border-top: 1px solid var(--pb-line);
}

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

.page-privacy .pv-callout__key {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--pb-ash);
}

.page-privacy .pv-callout__val {
  margin: 0;
  font-family: var(--pb-font-mono);
  font-size: 15px;
  line-height: 1.6;
  color: var(--pb-paper);
  word-break: break-word;
}

.page-privacy .pv-callout__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pb-line);
  font-size: 13px;
  line-height: 1.8;
  color: var(--pb-ash);
}

/* 宽度与栅格 */
@media (min-width: 720px) {
  .page-privacy .pv-callout {
    padding: 24px 26px;
  }

  .page-privacy .pv-callout__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }

  .page-privacy .pv-item {
    padding: 18px 0 6px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-doc {
    grid-template-columns: 3fr 8fr;
    gap: clamp(28px, 5vw, 72px);
    padding-top: 48px;
    padding-bottom: 88px;
  }

  .page-privacy .pv-nav {
    position: sticky;
    top: calc(var(--pb-header-h) + 28px);
    align-self: start;
    max-height: calc(100vh - var(--pb-header-h) - 56px);
    overflow-y: auto;
  }

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

  .page-privacy .pv-section + .pv-section {
    margin-top: 52px;
    padding-top: 52px;
  }

  .page-privacy .pv-banner {
    margin-top: 36px;
  }
}

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