.page-privacy {
  --privacy-measure: 44rem;
  --privacy-rail: 15rem;
  --privacy-band-bg: #EFE9DB;
  display: block;
  padding-bottom: 4rem;
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-crumb {
  padding: 1.75rem 0 0.75rem;
}

.page-privacy .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--bone-dim);
}

.page-privacy .breadcrumb-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.page-privacy .breadcrumb-list li + li::before {
  content: "/";
  color: var(--rock);
}

.page-privacy .breadcrumb-list a {
  color: var(--bone-dim);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}

.page-privacy .breadcrumb-list a:hover,
.page-privacy .breadcrumb-list a:focus-visible {
  color: var(--card-yellow);
}

.page-privacy .breadcrumb-list [aria-current="page"] {
  color: var(--bone);
}

/* ---------- 页首 ---------- */
.page-privacy .privacy-intro {
  max-width: 54rem;
  padding: 1.5rem 0 2.25rem;
}

.page-privacy .privacy-intro h1 {
  margin: 0.7rem 0 1.1rem;
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 4.4vw, 3rem);
  font-weight: 600;
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-privacy .privacy-intro .lede {
  max-width: 38rem;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.85;
  color: rgba(245, 242, 233, 0.8);
}

.page-privacy .privacy-stamp {
  margin: 1.4rem 0 0;
  font-family: var(--font-number);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--clay);
  text-transform: uppercase;
}

/* ---------- 头图 ---------- */
.page-privacy .privacy-banner {
  margin: 0 0 3rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(245, 242, 233, 0.08);
  background: var(--night-deep);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 8 / 3;
}

/* ---------- 版式骨架 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: start;
}

/* ---------- 章节锚点 ---------- */
.page-privacy .privacy-rail {
  border-left: 2px solid rgba(53, 167, 106, 0.4);
  padding-left: 1.1rem;
}

.page-privacy .privacy-rail-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-number);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-privacy .privacy-toc {
  display: grid;
  gap: 0.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .toc-link {
  display: grid;
  grid-template-columns: 1.7rem minmax(0, 1fr);
  gap: 0.45rem;
  align-items: start;
  padding: 0.5rem 0.65rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--bone-dim);
  text-decoration: none;
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease);
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  color: var(--bone);
  background: rgba(245, 242, 233, 0.07);
}

.page-privacy .toc-link:focus-visible {
  outline: 2px solid var(--card-yellow);
  outline-offset: 2px;
}

.page-privacy .toc-index {
  font-family: var(--font-number);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--card-yellow);
  padding-top: 0.22rem;
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-body {
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-section {
  scroll-margin-top: 7rem;
  padding-bottom: 2.5rem;
  margin-bottom: 2.75rem;
  border-bottom: 1px solid rgba(245, 242, 233, 0.09);
}

.page-privacy .privacy-section:last-of-type {
  border-bottom: 0;
  margin-bottom: 1.5rem;
}

.page-privacy .privacy-head {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  margin-bottom: 1.15rem;
}

.page-privacy .privacy-num {
  flex: none;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5.6vw, 3.2rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: -0.03em;
  color: var(--clay);
}

.page-privacy .privacy-section h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: var(--bone);
}

.page-privacy .privacy-section p {
  max-width: var(--privacy-measure);
  margin: 0 0 1.05em;
  font-size: 1.03rem;
  line-height: 1.85;
  color: rgba(245, 242, 233, 0.8);
}

.page-privacy .privacy-list {
  display: grid;
  gap: 0.85rem;
  max-width: var(--privacy-measure);
  margin: 0 0 1.3em;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 1.45rem;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(245, 242, 233, 0.78);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 3px;
  background: var(--pitch-light);
}

.page-privacy .privacy-list li:nth-child(even)::before {
  background: var(--card-yellow);
}

.page-privacy .privacy-list strong {
  color: var(--bone);
  font-weight: 600;
}

/* ---------- 示意图 ---------- */
.page-privacy .privacy-diagram {
  max-width: 40rem;
  margin: 1.75rem 0 0.5rem;
  padding: 1.1rem 0.9rem 0.9rem;
  border: 1px solid rgba(245, 242, 233, 0.1);
  border-radius: var(--radius-lg);
  background: rgba(5, 16, 31, 0.55);
}

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

.page-privacy .privacy-svg text {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.page-privacy .privacy-diagram .media-caption {
  margin: 0.85rem 0 0;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--bone-dim);
}

/* ---------- 浅色信息带 ---------- */
.page-privacy .privacy-band {
  max-width: var(--privacy-measure);
  margin: 0 0 3rem;
  padding: clamp(1.5rem, 3.6vw, 2.4rem);
  border-radius: var(--radius-lg);
  background: var(--bone);
  color: var(--night);
  box-shadow: 0 22px 48px -30px rgba(0, 0, 0, 0.8);
}

.page-privacy .privacy-band-kicker {
  margin: 0 0 0.6rem;
  font-family: var(--font-number);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--clay);
  text-transform: uppercase;
}

.page-privacy .privacy-band-text {
  margin: 0 0 1.2rem;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(11, 27, 51, 0.86);
}

.page-privacy .privacy-band-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
}

.page-privacy .privacy-band .chip {
  display: inline-flex;
  align-items: center;
  padding: 0.42rem 0.95rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  color: var(--night);
  background: rgba(11, 27, 51, 0.07);
  border: 1px solid rgba(11, 27, 51, 0.18);
  transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-privacy .privacy-band .chip:hover,
.page-privacy .privacy-band .chip:focus-visible {
  background: var(--night);
  color: var(--bone);
  border-color: var(--night);
  transform: translateY(-2px);
}

.page-privacy .privacy-band .chip:focus-visible {
  outline: 2px solid var(--card-yellow);
  outline-offset: 2px;
}

/* ---------- 延伸入口 ---------- */
.page-privacy .privacy-next {
  max-width: var(--privacy-measure);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(192, 122, 78, 0.35);
}

.page-privacy .privacy-next-title {
  margin: 0 0 0.9rem;
  font-family: var(--font-number);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-privacy .privacy-next-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-next-list a {
  display: block;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--bone);
  text-decoration: none;
  background: rgba(245, 242, 233, 0.05);
  border-left: 3px solid var(--pitch);
  transition: background-color var(--t) var(--ease), border-color var(--t) var(--ease), transform var(--t) var(--ease);
}

.page-privacy .privacy-next-list a:hover,
.page-privacy .privacy-next-list a:focus-visible {
  background: rgba(245, 242, 233, 0.1);
  border-left-color: var(--card-yellow);
  transform: translateX(2px);
}

.page-privacy .privacy-next-list a:focus-visible {
  outline: 2px solid var(--card-yellow);
  outline-offset: 2px;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .privacy-top {
  position: fixed;
  right: clamp(0.9rem, 2.5vw, 1.9rem);
  bottom: clamp(0.9rem, 2.5vw, 1.9rem);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: var(--radius-pill);
  background: rgba(5, 16, 31, 0.88);
  border: 1px solid rgba(243, 196, 60, 0.42);
  color: var(--card-yellow);
  font-size: 1.05rem;
  line-height: 1;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  transform: translateY(-2px);
  border-color: var(--card-yellow);
}

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

/* ---------- 桌面端 ---------- */
@media (min-width: 60rem) {
  .page-privacy {
    --privacy-measure: 46rem;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: 3.5rem;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 5.5rem;
    align-self: start;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
  }

  .page-privacy .privacy-intro {
    padding-top: 2.25rem;
  }

  .page-privacy .privacy-band {
    padding-inline: 2.6rem;
  }
}

@media (min-width: 78rem) {
  .page-privacy .privacy-section {
    padding-bottom: 3rem;
    margin-bottom: 3.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc-link,
  .page-privacy .privacy-band .chip,
  .page-privacy .privacy-next-list a,
  .page-privacy .privacy-top,
  .page-privacy .breadcrumb-list a {
    transition: none;
  }

  .page-privacy .privacy-band .chip:hover,
  .page-privacy .privacy-next-list a:hover,
  .page-privacy .privacy-top:hover {
    transform: none;
  }
}
<<<END>>>