.page-privacy {
  --privacy-measure: 37ch;
  --privacy-rail-w: 104px;
  --privacy-stick-offset: calc(var(--bs-header-h) + 96px);
  background-color: var(--bs-paper);
  color: var(--bs-ink);
  font-family: var(--bs-font-body);
  padding-bottom: 5rem;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-topbar {
  padding-top: calc(var(--bs-header-h) + 2rem);
}

.page-privacy .bs-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: rgba(28, 31, 38, 0.58);
}

.page-privacy .bs-breadcrumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 160ms var(--bs-ease), border-color 160ms var(--bs-ease);
}

.page-privacy .bs-breadcrumb a:hover,
.page-privacy .bs-breadcrumb a:focus-visible {
  color: var(--bs-ice-deep);
  border-bottom-color: var(--bs-ice-deep);
}

.page-privacy .bs-breadcrumb a:focus-visible {
  outline: 2px solid var(--bs-ice);
  outline-offset: 3px;
}

.page-privacy .bs-breadcrumb__sep {
  color: rgba(28, 31, 38, 0.3);
}

/* ---------- 标题区 ---------- */
.page-privacy .privacy-masthead {
  padding-top: 2.5rem;
  padding-bottom: 2.75rem;
  max-width: 940px;
}

.page-privacy .bs-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  margin: 0 0 1.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--bs-ice-deep);
}

.page-privacy .bs-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--bs-ice);
}

.page-privacy .privacy-title {
  margin: 0 0 1.5rem;
  font-family: var(--bs-font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--bs-ink);
  text-wrap: balance;
}

.page-privacy .privacy-lede {
  max-width: 44ch;
  margin: 0 0 2.25rem;
  font-size: clamp(1rem, 1.15vw, 1.125rem);
  line-height: 1.85;
  color: rgba(28, 31, 38, 0.82);
}

.page-privacy .privacy-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--bs-hair);
}

.page-privacy .privacy-meta__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--bs-hair);
}

.page-privacy .privacy-meta__item dt {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: rgba(28, 31, 38, 0.55);
}

.page-privacy .privacy-meta__item dd {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--bs-ink);
  text-align: right;
}

.page-privacy .privacy-meta__item dd.bs-mono {
  font-family: var(--bs-font-mono);
  letter-spacing: 0.02em;
  color: var(--bs-ice-deep);
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .privacy-banner {
  position: relative;
  margin: 2.5rem 0 0;
  overflow: hidden;
  border-top: 1px solid var(--bs-hair);
  border-bottom: 1px solid var(--bs-hair);
  background: linear-gradient(135deg, var(--bs-ice-mist) 0%, var(--bs-cloud) 100%);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(180px, 30vw, 400px);
  object-fit: cover;
}

/* ---------- 章节跳转条 ---------- */
.page-privacy .privacy-jump {
  position: sticky;
  top: var(--bs-header-h);
  z-index: 20;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bs-hair);
}

.page-privacy .privacy-jump__inner {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-jump__inner::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-jump__label {
  flex: 0 0 auto;
  padding-right: 0.9rem;
  border-right: 1px solid var(--bs-hair);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--bs-ice-deep);
}

.page-privacy .privacy-jump__list {
  display: flex;
  flex: 1 1 auto;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-jump__list a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.7rem;
  font-size: 0.8rem;
  color: rgba(28, 31, 38, 0.74);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: color 160ms var(--bs-ease), background-color 160ms var(--bs-ease), border-color 160ms var(--bs-ease);
}

.page-privacy .privacy-jump__list a:hover {
  color: var(--bs-ice-deep);
  background: var(--bs-ice-mist);
}

.page-privacy .privacy-jump__list a:focus-visible {
  outline: 2px solid var(--bs-ice);
  outline-offset: 2px;
}

.page-privacy .privacy-jump__list a .bs-mono {
  font-family: var(--bs-font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--bs-ice);
}

.page-privacy .privacy-jump__list a[aria-current="true"] {
  color: var(--bs-ink);
  background: var(--bs-ice-mist);
  border-color: var(--bs-ice);
}

.page-privacy .privacy-jump__list a[aria-current="true"] .bs-mono {
  color: var(--bs-ice-deep);
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-body {
  padding-top: 3rem;
}

.page-privacy .privacy-doc {
  max-width: 940px;
}

.page-privacy .privacy-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  padding: 2.25rem 0;
  border-top: 1px solid var(--bs-cloud);
  scroll-margin-top: calc(var(--bs-header-h) + 84px);
}

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

.page-privacy .privacy-clause__rail {
  display: flex;
  align-items: flex-start;
}

.page-privacy .privacy-clause__num {
  display: inline-block;
  font-family: var(--bs-font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--bs-ice);
}

.page-privacy .privacy-clause__body {
  max-width: var(--privacy-measure);
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(28, 31, 38, 0.86);
}

.page-privacy .privacy-clause__body h2 {
  max-width: none;
  margin: 0 0 1rem;
  font-family: var(--bs-font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 2.3vw, 1.625rem);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--bs-ink);
}

.page-privacy .privacy-clause__body p {
  margin: 0 0 1.15em;
}

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

.page-privacy .privacy-clause__body ul {
  display: grid;
  gap: 0.7rem;
  margin: 0 0 1.15em;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-clause__body li {
  position: relative;
  padding-left: 1.25rem;
  line-height: 1.8;
}

.page-privacy .privacy-clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 2px;
  background: var(--bs-ice);
}

.page-privacy .privacy-clause__body strong {
  font-weight: 600;
  color: var(--bs-ink);
}

.page-privacy .privacy-clause__body a {
  color: var(--bs-ice-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 103, 154, 0.38);
  transition: border-color 160ms var(--bs-ease), color 160ms var(--bs-ease);
}

.page-privacy .privacy-clause__body a:hover {
  border-bottom-color: var(--bs-ice-deep);
}

.page-privacy .privacy-clause__body a:focus-visible {
  outline: 2px solid var(--bs-ice);
  outline-offset: 3px;
}

/* ---------- 留存期限色块 ---------- */
.page-privacy .privacy-retain {
  display: grid;
  gap: 0.55rem;
  margin: 1.25rem 0 1.4rem;
  padding: 1rem 1.15rem;
  background: var(--bs-ice-mist);
  border-left: 3px solid var(--bs-ice);
  font-size: 0.9375rem;
}

.page-privacy .privacy-retain__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.3rem 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(0, 103, 154, 0.24);
}

.page-privacy .privacy-retain__row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .privacy-retain__k {
  color: rgba(28, 31, 38, 0.78);
}

.page-privacy .privacy-retain__v {
  font-family: var(--bs-font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--bs-ice-deep);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .privacy-top {
  position: fixed;
  right: clamp(16px, 3vw, 34px);
  bottom: clamp(16px, 3vw, 34px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  padding: 0.68rem 0.95rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--bs-ink);
  background: var(--bs-lime);
  border: 1px solid rgba(28, 31, 38, 0.24);
  text-decoration: none;
  box-shadow: var(--bs-shadow-2);
  transition: transform 160ms var(--bs-ease), background-color 160ms var(--bs-ease);
}

.page-privacy .privacy-top:hover {
  background: #d5ff2e;
  transform: translateY(-2px);
}

.page-privacy .privacy-top:focus-visible {
  outline: 2px solid var(--bs-ice);
  outline-offset: 3px;
}

@supports (animation-timeline: scroll()) {
  .page-privacy .privacy-top {
    opacity: 0;
    animation: privacy-top-reveal linear both;
    animation-timeline: scroll(root block);
    animation-range: 110vh 160vh;
  }
}

@keyframes privacy-top-reveal {
  to {
    opacity: 1;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-meta {
    grid-template-columns: repeat(3, 1fr);
    border-bottom: 1px solid var(--bs-hair);
  }

  .page-privacy .privacy-meta__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
    padding: 1rem 1.25rem 1rem 0;
    border-bottom: 0;
    border-right: 1px solid var(--bs-hair);
  }

  .page-privacy .privacy-meta__item:last-child {
    padding-right: 0;
    border-right: 0;
  }

  .page-privacy .privacy-meta__item dd {
    text-align: left;
  }

  .page-privacy .privacy-clause {
    grid-template-columns: var(--privacy-rail-w) minmax(0, 1fr);
    gap: 0 2rem;
    padding: 3rem 0;
  }

  .page-privacy .privacy-clause__rail {
    position: sticky;
    top: var(--privacy-stick-offset);
    align-self: start;
    padding-top: 4px;
  }

  .page-privacy .privacy-clause__body {
    font-size: 1.0625rem;
  }
}

@media (min-width: 1080px) {
  .page-privacy .privacy-clause {
    gap: 0 3rem;
  }

  .page-privacy .privacy-clause__body {
    max-width: 38ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-top {
    animation: none;
    opacity: 1;
  }

  .page-privacy .privacy-top:hover {
    transform: none;
  }

  .page-privacy .bs-breadcrumb a,
  .page-privacy .privacy-jump__list a,
  .page-privacy .privacy-clause__body a {
    transition: none;
  }
}
<<<END>>>