.page-privacy {
  --pr-toc-w: 268px;
  --pr-shell-gap: clamp(28px, 5vw, 76px);
  display: block;
  background: var(--bg-page);
  color: var(--ink);
}

/* ---------- 页头横幅 ---------- */
.page-privacy .pr-hero {
  position: relative;
  overflow: hidden;
  background: var(--c-polar);
  color: var(--c-ice);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 52px), 0 100%);
}

.page-privacy .pr-hero__media {
  position: absolute;
  inset: 0;
  opacity: .22;
}

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

.page-privacy .pr-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(7, 23, 38, .94) 0%, rgba(14, 42, 71, .78) 56%, rgba(14, 42, 71, .34) 100%);
  pointer-events: none;
}

.page-privacy .pr-hero__stripe {
  position: absolute;
  right: -80px;
  bottom: -90px;
  width: min(56vw, 520px);
  height: 240px;
  background: linear-gradient(90deg, rgba(255, 90, 31, .85), rgba(255, 90, 31, 0));
  transform: rotate(-9deg);
  opacity: .45;
  pointer-events: none;
}

.page-privacy .pr-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(26px, 5vw, 52px);
  padding-bottom: clamp(72px, 11vw, 128px);
}

.page-privacy .pr-hero__eyebrow {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--c-neon);
  font-family: var(--font-mono);
}

.page-privacy .pr-hero__title {
  margin: 0;
  font-size: clamp(30px, 5.6vw, 60px);
  line-height: 1.16;
  letter-spacing: -.03em;
  font-weight: 800;
  max-width: 20em;
}

.page-privacy .pr-hero__lead {
  margin: 20px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(216, 225, 230, .92);
  max-width: 34em;
}

.page-privacy .pr-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-tundra);
}

.page-privacy .pr-hero__meta .num {
  font-size: 18px;
  color: var(--c-lava);
  margin-right: 6px;
}

.page-privacy .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-tundra);
}

.page-privacy .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(110, 136, 152, .65);
}

.page-privacy .breadcrumb__item a {
  color: var(--c-tundra);
  text-decoration: none;
  border-bottom: 1px solid rgba(110, 136, 152, .4);
}

.page-privacy .breadcrumb__item a:hover {
  color: var(--c-neon);
  border-bottom-color: var(--c-neon);
}

/* ---------- 目录 + 正文 ---------- */
.page-privacy .pr-shell {
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(56px, 9vw, 104px);
}

.page-privacy .pr-toc {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 18px;
  box-shadow: var(--shadow-1);
}

.page-privacy .pr-toc__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--c-tundra);
  text-transform: uppercase;
}

.page-privacy .pr-toc__list {
  display: flex;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .pr-toc__list li {
  flex: 0 0 auto;
}

.page-privacy .pr-toc__link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  background: var(--c-frost);
  color: var(--ink);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color .2s ease, color .2s ease;
}

.page-privacy .pr-toc__link:hover,
.page-privacy .pr-toc__link:focus-visible {
  background: var(--c-glacier);
  color: var(--c-ice);
}

.page-privacy .pr-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--c-lava);
}

.page-privacy .pr-toc__link:hover .pr-toc__num {
  color: var(--c-neon);
}

.page-privacy .pr-toc__foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-light);
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-privacy .pr-toc__foot a {
  color: var(--c-glacier);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pr-chapter {
  scroll-margin-top: 112px;
  padding: clamp(26px, 4vw, 40px) 0 clamp(34px, 5vw, 56px);
  border-top: 1px solid var(--line);
}

.page-privacy .pr-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pr-chapter__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .pr-chapter__index {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--c-lava);
  background: rgba(255, 90, 31, .1);
  border-radius: var(--r-pill);
  padding: 5px 11px;
}

.page-privacy .pr-chapter__title {
  margin: 0;
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.28;
  letter-spacing: -.02em;
  font-weight: 700;
}

.page-privacy .pr-chapter p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  max-width: 38em;
}

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

.page-privacy .pr-chapter a {
  color: var(--c-glacier);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .pr-chapter a:hover {
  color: var(--c-lava);
}

/* ---------- 三类收集场景 ---------- */
.page-privacy .pr-blocks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 14px;
  margin: 20px 0 0;
}

.page-privacy .pr-block {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px;
  box-shadow: var(--shadow-1);
}

.page-privacy .pr-block__title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: -.01em;
}

.page-privacy .pr-block__tag {
  font-size: 10px;
  letter-spacing: .16em;
  padding: 3px 8px;
  border-radius: var(--r-pill);
  background: var(--c-glacier);
  color: var(--c-ice);
}

.page-privacy .pr-block__tag--quiet {
  background: var(--c-frost);
  color: var(--ink-soft);
}

.page-privacy .pr-fields {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
}

.page-privacy .pr-fields dt {
  margin-top: 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--c-tundra);
}

.page-privacy .pr-fields dt:first-child {
  margin-top: 0;
}

.page-privacy .pr-fields dd {
  margin: 3px 0 0;
  color: var(--ink);
}

.page-privacy .pr-note {
  margin: 20px 0 0;
  padding: 16px 18px;
  max-width: 40em;
  background: var(--c-frost);
  border-left: 3px solid var(--c-glacier);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 分流示意 ---------- */
.page-privacy .pr-flow {
  margin: 24px 0 0;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-privacy .pr-flow svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .pr-flow figcaption {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line-light);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-tundra);
}

/* ---------- 留存期限 ---------- */
.page-privacy .pr-keep {
  display: grid;
  gap: 1px;
  margin: 20px 0 20px;
  padding: 0;
  list-style: none;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .pr-keep li {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  background: var(--bg-card);
}

.page-privacy .pr-keep__k {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--c-glacier);
}

.page-privacy .pr-keep__v {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 请求步骤 ---------- */
.page-privacy .pr-steps {
  counter-reset: prs;
  display: grid;
  gap: 12px;
  margin: 18px 0 20px;
  padding: 0;
  max-width: 44em;
  list-style: none;
}

.page-privacy .pr-steps li {
  counter-increment: prs;
  position: relative;
  padding-left: 44px;
  font-size: 15px;
  line-height: 1.8;
}

.page-privacy .pr-steps li::before {
  content: counter(prs, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  padding: 3px 8px;
  border-radius: var(--r-pill);
  background: rgba(255, 90, 31, .1);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.2;
  color: var(--c-lava);
}

/* ---------- 版本沿革折叠 ---------- */
.page-privacy .pr-history {
  margin: 22px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--bg-card);
  overflow: hidden;
}

.page-privacy .pr-history__summary {
  cursor: pointer;
  padding: 14px 18px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--c-glacier);
  background: var(--c-frost);
  list-style: none;
}

.page-privacy .pr-history__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pr-history__summary::after {
  content: "＋";
  float: right;
  font-family: var(--font-mono);
  color: var(--c-tundra);
}

.page-privacy .pr-history[open] .pr-history__summary::after {
  content: "－";
}

.page-privacy .pr-history__summary:hover {
  color: var(--c-lava);
}

.page-privacy .pr-history__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 16px 18px 18px;
  list-style: none;
}

.page-privacy .pr-history__list li {
  display: grid;
  gap: 4px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-privacy .pr-history__ver {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-lava);
}

/* ---------- 浮动回到目录 ---------- */
.page-privacy .pr-jump {
  position: fixed;
  left: max(14px, env(safe-area-inset-left));
  bottom: 18px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  padding: 9px 15px;
  border-radius: var(--r-pill);
  background: rgba(7, 23, 38, .88);
  color: var(--c-ice);
  font-size: 12px;
  letter-spacing: .14em;
  text-decoration: none;
  box-shadow: var(--shadow-1);
}

.page-privacy .pr-jump:hover {
  background: var(--c-lava);
  color: #FFFFFF;
}

/* ---------- 桌面：左侧固定目录 ---------- */
@media (min-width: 900px) {
  .page-privacy .pr-shell {
    display: grid;
    grid-template-columns: var(--pr-toc-w) minmax(0, 1fr);
    gap: var(--pr-shell-gap);
    align-items: start;
  }

  .page-privacy .pr-toc {
    position: sticky;
    top: 96px;
    padding: 22px 20px;
  }

  .page-privacy .pr-toc__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .pr-toc__list li {
    flex: none;
  }

  .page-privacy .pr-toc__link {
    padding: 9px 10px;
    border-radius: var(--r-sm);
    background: transparent;
    white-space: normal;
    font-size: 13.5px;
  }

  .page-privacy .pr-toc__link:hover,
  .page-privacy .pr-toc__link:focus-visible {
    background: var(--c-frost);
    color: var(--c-glacier);
  }

  .page-privacy .pr-toc__link:hover .pr-toc__num {
    color: var(--c-lava);
  }

  .page-privacy .pr-keep li {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .pr-history__list li {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 1240px) {
  .page-privacy .pr-chapter p {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pr-toc__link,
  .page-privacy .pr-jump {
    transition: none;
  }
}
<<<END>>>