.page-privacy {
  --pv-cut: 14px;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 22px 0 clamp(40px, 8vw, 76px);
  background: var(--ink-deep);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero__img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  filter: saturate(0.65) contrast(1.05);
  pointer-events: none;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(7, 11, 24, 0.5) 0%, rgba(14, 20, 40, 0.88) 60%, var(--ink-deep) 100%);
  pointer-events: none;
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-hero__inner .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}

.page-privacy .pv-hero__inner .breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-privacy .pv-hero__inner .breadcrumbs__link:hover {
  color: var(--cyan);
}

.page-privacy .pv-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-privacy .pv-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(38px, 10vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-privacy .pv-hero__lead {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 3.6vw, 19px);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 暖纸摘要条 ---------- */
.page-privacy .pv-summary {
  background: var(--paper);
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-summary__inner {
  padding-block: clamp(26px, 5vw, 44px);
  display: grid;
  gap: 16px;
}

.page-privacy .pv-summary__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(7, 11, 24, 0.6);
}

.page-privacy .pv-summary__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 4.6vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-privacy .pv-summary__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-privacy .pv-summary__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.6;
  border-bottom: 1px solid rgba(7, 11, 24, 0.14);
  transition: color 0.2s var(--ease);
}

.page-privacy .pv-summary__list a::before {
  content: "→";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--violet);
}

.page-privacy .pv-summary__list a:hover {
  color: var(--violet);
}

.page-privacy .pv-summary__meta {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(7, 11, 24, 0.55);
}

/* ---------- 正文两栏 ---------- */
.page-privacy .pv-body {
  padding-block: clamp(34px, 6vw, 62px) clamp(46px, 8vw, 92px);
  display: grid;
  gap: clamp(26px, 5vw, 40px);
}

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

.page-privacy .pv-toc__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

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

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

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  background: var(--ink-deep);
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .pv-toc__link .mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-privacy .pv-toc__link:hover {
  color: var(--text);
  border-color: var(--violet);
}

.page-privacy .pv-toc__link[aria-current="true"] {
  color: var(--text);
  border-color: var(--cyan);
  background: rgba(47, 227, 232, 0.08);
}

.page-privacy .pv-toc__link[aria-current="true"] .mono {
  color: var(--cyan);
}

.page-privacy .pv-toc__hint {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

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

/* ---------- 条款 ---------- */
.page-privacy .pv-clause {
  padding-top: clamp(20px, 4vw, 30px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 90px;
}

.page-privacy .pv-clause + .pv-clause {
  margin-top: clamp(26px, 5vw, 44px);
}

.page-privacy .pv-clause__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 2px solid var(--violet);
}

.page-privacy .pv-clause__num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .pv-clause__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 4.4vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .pv-clause .prose {
  max-width: 40em;
}

.page-privacy .pv-clause .prose p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--text);
}

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

.page-privacy .pv-clause .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 232, 0.45);
}

.page-privacy .pv-clause .prose a:hover {
  color: var(--gold);
  border-bottom-color: rgba(242, 184, 75, 0.55);
}

/* 信息类别清单 */
.page-privacy .pv-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  max-width: 42em;
}

.page-privacy .pv-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 13px 15px;
  background: var(--ink-deep);
  border: 1px solid var(--line);
  border-left: 2px solid var(--violet);
}

.page-privacy .pv-list__k {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-privacy .pv-list__body strong {
  display: block;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--gold);
}

.page-privacy .pv-list__body p {
  margin: 5px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* 术语展开 */
.page-privacy .pv-term {
  margin: 16px 0 0;
  max-width: 40em;
  padding-left: 14px;
  border-left: 1px dashed var(--line);
}

.page-privacy .pv-term summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 2px;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--cyan);
  border-bottom: 1px dashed rgba(47, 227, 232, 0.5);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-privacy .pv-term summary:hover {
  color: var(--gold);
  border-bottom-color: rgba(242, 184, 75, 0.55);
}

.page-privacy .pv-term__mark {
  font-size: 10px;
  letter-spacing: 0.16em;
  padding: 2px 6px;
  background: var(--panel);
  color: var(--muted);
}

.page-privacy .pv-term p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .pv-kv {
  font-family: var(--font-mono);
  font-size: 0.94em;
  letter-spacing: 0.04em;
  color: var(--gold);
}

/* ---------- 延伸导航 ---------- */
.page-privacy .pv-more {
  padding-bottom: clamp(48px, 8vw, 92px);
}

.page-privacy .pv-more__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-privacy .pv-more__grid {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-more__card {
  display: grid;
  gap: 7px;
  padding: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-privacy .pv-more__card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-privacy .pv-more__k {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--violet);
}

.page-privacy .pv-more__t {
  font-size: 15px;
  line-height: 1.6;
}

/* ---------- 返回顶部 ---------- */
.page-privacy .to-top {
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 30;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--cyan);
  opacity: 0;
  visibility: hidden;
  cursor: pointer;
  transition: opacity 0.24s var(--ease), visibility 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-privacy .to-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
}

.page-privacy .to-top:hover {
  border-color: var(--cyan);
}

.page-privacy .to-top__arrow {
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-privacy .pv-more__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 64px);
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 88px;
  }

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

  .page-privacy .pv-toc__link {
    display: flex;
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 2px solid transparent;
    background: none;
    font-size: 14px;
    white-space: normal;
  }

  .page-privacy .pv-toc__link:hover {
    border-left-color: var(--violet);
  }

  .page-privacy .pv-toc__link[aria-current="true"] {
    background: none;
    border-left-color: var(--cyan);
    color: var(--text);
  }

  .page-privacy .pv-clause .prose p {
    font-size: 16px;
  }

  .page-privacy .pv-hero__lead {
    max-width: 36em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-more__card,
  .page-privacy .pv-toc__link,
  .page-privacy .pv-summary__list a,
  .page-privacy .to-top {
    transition: opacity 0.2s linear;
  }

  .page-privacy .pv-more__card:hover {
    transform: none;
  }
}
<<<END>>>