.page-privacy {
  --pv-rule: rgba(0, 240, 200, 0.22);
  --pv-measure: 40rem;
  padding-bottom: clamp(52px, 8vw, 100px);
  overflow-x: clip;
}

/* 阅读进度：视口左侧细线 */
.page-privacy .pv-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 2px;
  height: 100vh;
  transform: scaleY(0);
  transform-origin: 50% 0;
  background: linear-gradient(180deg, var(--cyan), var(--amber));
  z-index: 90;
  pointer-events: none;
}

@supports (animation-timeline: scroll()) {
  .page-privacy .pv-progress {
    animation: pv-progress-grow linear both;
    animation-timeline: scroll(root block);
  }

  @keyframes pv-progress-grow {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
  }
}

/* 面包屑 */
.page-privacy .pv-crumbs {
  padding-top: clamp(14px, 3vw, 26px);
}

.page-privacy .pv-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-privacy .pv-crumbs li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--mist);
}

.page-privacy .pv-crumbs li + li::before {
  content: "/";
  color: var(--line-strong);
}

.page-privacy .pv-crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

/* 首屏文字 */
.page-privacy .pv-lead {
  padding-block: clamp(18px, 3vw, 32px) clamp(24px, 4vw, 40px);
}

.page-privacy .pv-lead .display-1 {
  max-width: 13em;
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.14;
  margin-top: 14px;
}

.page-privacy .pv-lead .lede {
  max-width: 44rem;
  margin-top: 18px;
}

/* 顶部氛围图 */
.page-privacy .pv-visual {
  margin: 0;
  overflow: hidden;
  border-top: 1px solid var(--pv-rule);
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .pv-visual img {
  display: block;
  width: 100%;
  height: clamp(160px, 26vw, 300px);
  object-fit: cover;
  object-position: center;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

/* 正文骨架 */
.page-privacy .pv-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(28px, 5vw, 52px);
}

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

/* 章节导航 */
.page-privacy .pv-toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--mist);
}

.page-privacy .pv-toc ol {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pv-toc a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.3;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy .pv-toc a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.08em;
}

.page-privacy .pv-toc a:hover,
.page-privacy .pv-toc a:focus-visible {
  color: var(--white);
  border-color: var(--line-strong);
  background-color: var(--board-deep);
}

/* 正文列 */
.page-privacy .pv-doc {
  min-width: 0;
  max-width: var(--pv-measure);
}

.page-privacy .pv-sec {
  position: relative;
  padding-block: clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--pv-rule);
}

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

.page-privacy .pv-num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-privacy .pv-h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-privacy .pv-doc p {
  margin: 0 0 15px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--white);
  overflow-wrap: break-word;
}

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

.page-privacy .pv-doc a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

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

/* 琥珀标记的重点条目 */
.page-privacy .pv-key {
  margin: 20px 0;
  padding: 14px 18px;
  border-left: 3px solid var(--amber);
  background-image: linear-gradient(90deg, rgba(255, 176, 32, 0.12), rgba(255, 176, 32, 0));
  font-size: 15px;
  line-height: 1.8;
  color: var(--white);
}

/* 用途对照 */
.page-privacy .pv-uses {
  display: grid;
  gap: 14px;
  margin: 4px 0 0;
}

.page-privacy .pv-uses > div {
  display: grid;
  gap: 3px;
  padding-left: 14px;
  border-left: 1px solid var(--line-strong);
}

.page-privacy .pv-uses dt {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cyan-soft);
}

.page-privacy .pv-uses dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* 请求清单 */
.page-privacy .pv-list {
  display: grid;
  gap: 12px;
  margin: 4px 0 20px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 10px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--white);
}

.page-privacy .pv-list li::before {
  content: "";
  width: 9px;
  height: 9px;
  margin-top: 0.62em;
  background-color: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

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

/* 联系方式区 */
.page-privacy .pv-contact {
  margin-top: 26px;
  padding: clamp(18px, 3vw, 26px);
  background-color: var(--board-deep);
  border-left: 1px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-privacy .pv-contact-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .pv-contact-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.page-privacy .pv-contact-list > div {
  display: grid;
  gap: 3px;
}

.page-privacy .pv-contact-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-privacy .pv-contact-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--white);
  overflow-wrap: break-word;
}

/* 桌面端：导航竖排常驻，节号竖挂 */
@media (min-width: 960px) {
  .page-privacy .pv-shell {
    grid-template-columns: 190px minmax(0, 640px);
    justify-content: center;
    gap: clamp(36px, 6vw, 88px);
  }

  .page-privacy .pv-aside {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-privacy .pv-toc ol {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pv-toc a {
    display: flex;
    width: 100%;
    padding: 9px 10px;
    border: 0;
    border-left: 1px solid var(--line);
    border-radius: 0;
    font-size: 14px;
    white-space: normal;
  }

  .page-privacy .pv-toc a:hover,
  .page-privacy .pv-toc a:focus-visible {
    background-color: transparent;
    border-left-color: var(--cyan);
    color: var(--cyan-soft);
  }

  .page-privacy .pv-sec {
    padding-left: 62px;
  }

  .page-privacy .pv-num {
    position: absolute;
    left: 8px;
    top: 4px;
    margin: 0;
    padding-left: 10px;
    border-left: 1px solid var(--pv-rule);
    writing-mode: vertical-rl;
    font-size: 11px;
    letter-spacing: 0.34em;
    color: var(--mist);
  }

  .page-privacy .pv-sec:first-child .pv-num {
    color: var(--cyan);
  }
}

@media (min-width: 1200px) {
  .page-privacy .pv-visual img {
    height: clamp(240px, 22vw, 320px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-progress {
    animation: none;
    transform: scaleY(1);
    opacity: 0.35;
  }

  .page-privacy .pv-crumbs a,
  .page-privacy .pv-toc a,
  .page-privacy .pv-doc a {
    transition: none;
  }
}
<<<END>>>