/* ============ 隐私与数据保护 · 页面专属样式 ============ */
.page-privacy {
  --priv-sticky-top: 92px;
  position: relative;
}

/* ---------- 面包屑 ---------- */
.page-privacy .priv-crumb {
  padding-top: 18px;
}

/* ---------- 首屏 ---------- */
.page-privacy .priv-hero {
  padding-top: 26px;
}

.page-privacy .priv-hero__inner {
  max-width: 840px;
}

.page-privacy .priv-hero .eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--amber);
}

.page-privacy .priv-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(31px, 7.2vw, 60px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .priv-hero h1 em {
  font-style: normal;
  color: var(--cyan);
  text-shadow: var(--glow-text);
}

.page-privacy .priv-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .priv-hero__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .priv-hero__keys li {
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: var(--neon-wash);
  color: var(--paper);
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-privacy .priv-hero__media {
  margin: 34px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-privacy .priv-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 条款长卷骨架 ---------- */
.page-privacy .priv-doc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-top: 46px;
  padding-bottom: 84px;
}

/* ---------- 目录 ---------- */
.page-privacy .priv-toc {
  align-self: start;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: linear-gradient(165deg, rgba(11, 42, 70, .92), rgba(6, 26, 46, .86));
}

.page-privacy .priv-toc__title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-privacy .priv-toc__list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
}

.page-privacy .priv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  color: var(--mist);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: background .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .priv-toc__link:hover,
.page-privacy .priv-toc__link:focus-visible {
  background: rgba(47, 224, 208, .12);
  border-color: var(--line-strong);
  color: var(--paper);
}

.page-privacy .priv-toc__num {
  flex: none;
  font-family: var(--font-head);
  font-size: 12.5px;
  font-weight: 800;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

/* ---------- 条款正文 ---------- */
.page-privacy .priv-body {
  min-width: 0;
}

.page-privacy .clause {
  padding: 22px 0 6px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 100px;
}

.page-privacy .clause:first-of-type {
  padding-top: 0;
  border-top: none;
}

.page-privacy .clause > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 4px 0;
  cursor: pointer;
  list-style: none;
  outline-offset: 4px;
}

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

.page-privacy .clause__num {
  flex: none;
  font-family: var(--font-head);
  font-size: clamp(26px, 5.4vw, 38px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-privacy .clause__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(18px, 3.6vw, 23px);
  font-weight: 800;
  line-height: 1.38;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .clause > summary::after {
  content: "";
  flex: none;
  align-self: center;
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-privacy .clause[open] > summary::after {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-privacy .clause:target > summary .clause__title {
  color: var(--cyan);
}

.page-privacy .clause__body {
  padding: 14px 0 12px;
}

.page-privacy .clause__body p {
  margin: 0 0 12px;
  max-width: 66ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 细线要点列表 ---------- */
.page-privacy .note-list {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .note-list li {
  position: relative;
  padding: 13px 0 13px 20px;
  border-top: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--mist);
  max-width: 68ch;
}

.page-privacy .note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 7px;
  height: 7px;
  border-radius: var(--pill);
  background: var(--cyan);
  box-shadow: var(--glow-soft);
}

.page-privacy .note-list li strong {
  color: var(--paper);
  font-weight: 700;
  margin-right: 2px;
}

.page-privacy .priv-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 208, .42);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-privacy .priv-link:hover,
.page-privacy .priv-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .priv-top {
  position: fixed;
  right: 16px;
  bottom: 86px;
  z-index: 45;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: rgba(6, 26, 46, .88);
  color: var(--cyan);
  font-size: 17px;
  line-height: 1;
  text-decoration: none;
  box-shadow: var(--glow-soft);
  transition: background .18s var(--ease), transform .18s var(--ease);
}

.page-privacy .priv-top:hover,
.page-privacy .priv-top:focus-visible {
  background: rgba(11, 42, 70, .96);
  transform: translateY(-3px);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-privacy .priv-crumb {
    padding-top: 24px;
  }

  .page-privacy .priv-hero__keys {
    gap: 12px;
  }

  .page-privacy .priv-hero__media {
    margin-top: 40px;
  }
}

/* ---------- 桌面：左侧吸顶目录 + 右侧逐条推进 ---------- */
@media (min-width: 960px) {
  .page-privacy .priv-doc {
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 64px;
    padding-top: 64px;
    padding-bottom: 108px;
  }

  .page-privacy .priv-toc {
    position: sticky;
    top: var(--priv-sticky-top);
    padding: 22px 18px;
  }

  .page-privacy .priv-toc__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-privacy .priv-toc__link {
    padding: 9px 11px;
    border-color: transparent;
    border-radius: var(--r-sm);
    white-space: normal;
  }

  .page-privacy .clause {
    padding: 30px 0 10px;
    scroll-margin-top: 120px;
  }

  .page-privacy .clause__body {
    padding: 18px 0 18px;
  }

  .page-privacy .note-list li {
    padding-top: 14px;
    padding-bottom: 14px;
  }

  .page-privacy .priv-top {
    right: 32px;
    bottom: 32px;
  }
}

@media (min-width: 1280px) {
  .page-privacy .priv-doc {
    grid-template-columns: 268px minmax(0, 1fr);
  }
}

/* ---------- 动效退化 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .priv-toc__link,
  .page-privacy .priv-top,
  .page-privacy .priv-link,
  .page-privacy .clause > summary::after {
    transition: none;
  }

  .page-privacy .priv-top:hover,
  .page-privacy .priv-top:focus-visible {
    transform: none;
  }
}
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