.page-privacy {
  --pv-measure: 760px;
  --pv-rule: rgba(221, 227, 236, 0.16);
  --pv-rule-soft: rgba(221, 227, 236, 0.08);
  --pv-cyan-soft: rgba(53, 214, 200, 0.42);
  --pv-orange-soft: rgba(255, 106, 43, 0.07);
  background: var(--indigo);
  color: var(--mist);
  font-family: var(--font-sans);
  padding: 0 0 96px;
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

.page-privacy .pv-grid {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

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

/* ---------- 面包屑 ---------- */
.page-privacy .pv-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 28px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-privacy .pv-crumb a {
  color: var(--frost);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-privacy .pv-crumb-sep {
  color: var(--line-strong);
}

.page-privacy .pv-crumb-current {
  color: var(--mist);
}

/* ---------- 头部 ---------- */
.page-privacy .pv-head {
  padding: 44px 0 0;
}

.page-privacy .pv-kicker {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-privacy h1 {
  margin: 0 0 22px;
  max-width: 20ch;
  font-size: clamp(28px, 6.2vw, 46px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .pv-lede {
  margin: 0 0 26px;
  max-width: 640px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .pv-meta {
  list-style: none;
  margin: 0 0 34px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.page-privacy .pv-meta li {
  position: relative;
  padding-left: 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--frost);
}

.page-privacy .pv-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 7px;
  height: 1px;
  background: var(--orange);
}

/* ---------- 顶部通栏图 ---------- */
.page-privacy .pv-visual {
  position: relative;
  margin: 0 0 16px;
  border: 1px solid var(--pv-rule);
}

.page-privacy .pv-visual::before,
.page-privacy .pv-visual::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 1px solid var(--cyan);
  opacity: 0.55;
  pointer-events: none;
}

.page-privacy .pv-visual::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-privacy .pv-visual::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

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

/* ---------- 章节 ---------- */
.page-privacy .pv-chapter {
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: calc(var(--topbar-h) + 28px);
}

.page-privacy .pv-chapter:last-of-type {
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .pv-chapter-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 22px 0 14px;
  cursor: pointer;
  list-style: none;
  outline-offset: 4px;
  transition: color 0.2s var(--ease);
}

.page-privacy .pv-chapter-head::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-chapter-head:focus-visible {
  outline: 1px solid var(--cyan);
}

.page-privacy .pv-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
  transition: color 0.2s var(--ease);
}

.page-privacy .pv-chapter-head:hover .pv-num {
  color: var(--amber);
}

.page-privacy .pv-chapter-title {
  flex: 1 1 auto;
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .pv-mark {
  flex: none;
  width: 9px;
  height: 9px;
  margin-left: auto;
  align-self: center;
  border-right: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform 0.24s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy details[open] > .pv-chapter-head .pv-mark {
  transform: rotate(225deg);
}

.page-privacy .pv-chapter-body {
  padding: 2px 0 30px;
}

.page-privacy .pv-chapter-body p {
  max-width: 720px;
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .pv-chapter-body h3 {
  max-width: 720px;
  margin: 26px 0 10px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-privacy .pv-chapter-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pv-cyan-soft);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .pv-chapter-body a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 三类信息 ---------- */
.page-privacy .pv-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0 0 22px;
  background: var(--pv-rule-soft);
  border: 1px solid var(--pv-rule-soft);
}

.page-privacy .pv-fact {
  padding: 16px 18px 18px;
  background: var(--indigo);
}

.page-privacy .pv-fact-key {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-privacy .pv-fact-val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 列表 ---------- */
.page-privacy .pv-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  max-width: 720px;
}

.page-privacy .pv-list li {
  position: relative;
  margin-bottom: 13px;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 11px;
  height: 1px;
  background: var(--orange);
}

.page-privacy .pv-list strong {
  color: var(--paper);
  font-weight: 700;
}

/* ---------- 术语标签 ---------- */
.page-privacy .pv-term {
  display: inline-block;
  padding: 1px 8px;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--cyan);
  vertical-align: baseline;
}

/* ---------- 提示条 ---------- */
.page-privacy .pv-note {
  max-width: 720px;
  margin: 6px 0 4px;
  padding: 15px 18px;
  border-left: 2px solid var(--orange);
  background: var(--pv-orange-soft);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 章节刻度导航 ---------- */
.page-privacy .pv-rail {
  order: -1;
  border-top: 1px solid var(--pv-rule);
  padding: 16px 0 0;
}

.page-privacy .pv-rail-label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--frost);
}

.page-privacy .pv-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
}

.page-privacy .pv-rail-link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 4px 0;
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--frost);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-privacy .pv-rail-idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
  transition: color 0.2s var(--ease);
}

.page-privacy .pv-rail-link:hover,
.page-privacy .pv-rail-link:focus-visible {
  color: var(--paper);
}

.page-privacy .pv-rail-link:hover .pv-rail-idx,
.page-privacy .pv-rail-link:focus-visible .pv-rail-idx {
  color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .page-privacy .pv-grid {
    padding: 0 32px;
  }

  .page-privacy .pv-chapter-title {
    font-size: 21px;
  }

  .page-privacy .pv-chapter-body p,
  .page-privacy .pv-chapter-body h3 {
    max-width: 720px;
  }
}

@media (min-width: 1080px) {
  .page-privacy .pv-grid {
    grid-template-columns: minmax(0, var(--pv-measure)) 180px;
    column-gap: 72px;
    justify-content: center;
  }

  .page-privacy .pv-main {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .pv-rail {
    grid-column: 2;
    grid-row: 1;
    order: 0;
    align-self: start;
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
    border-top: 0;
    border-left: 1px solid var(--pv-rule);
    padding: 6px 0 0 22px;
  }

  .page-privacy .pv-rail-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-privacy .pv-rail-link {
    padding: 10px 0;
    border-bottom: 1px solid var(--pv-rule-soft);
  }

  .page-privacy .pv-rail-list li:last-child .pv-rail-link {
    border-bottom: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-mark,
  .page-privacy .pv-num,
  .page-privacy .pv-rail-link,
  .page-privacy .pv-rail-idx {
    transition: none;
  }
}
<<<END>>>