.page-privacy {
  --pp-rail: 236px;
  --pp-sticky: 96px;
  background-color: var(--deep-900);
  background-image:
    repeating-linear-gradient(90deg, transparent 0 119px, rgba(31, 163, 122, 0.05) 119px 120px),
    repeating-linear-gradient(0deg, transparent 0 119px, rgba(31, 163, 122, 0.028) 119px 120px);
  padding-bottom: 72px;
}

/* 面包屑 */
.page-privacy .breadcrumbs {
  padding: 26px 0 0;
  font-size: 13px;
  color: var(--text-dim);
}
.page-privacy .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--deep-500);
}
.page-privacy .breadcrumbs a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--t-fast);
}
.page-privacy .breadcrumbs a:hover,
.page-privacy .breadcrumbs a:focus-visible {
  color: var(--green-400);
}
.page-privacy .breadcrumbs [aria-current="page"] {
  color: var(--text-soft);
}

/* 首屏 */
.page-privacy .pp-hero {
  max-width: 800px;
  padding: 42px 0 34px;
}
.page-privacy .pp-hero h1 {
  margin: 14px 0 18px;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.022em;
  font-weight: 700;
  color: var(--white-100);
}
.page-privacy .pp-hero .lead {
  margin: 0;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.8;
  color: var(--text-soft);
}

/* 摘要块 */
.page-privacy .pp-summary {
  margin-top: 26px;
  padding: 22px 24px;
  border-radius: var(--r-md);
  background: var(--deep-700);
  border: 1px solid var(--deep-500);
  box-shadow: 0 20px 40px -32px rgba(4, 16, 27, 0.9);
}
.page-privacy .pp-summary__lead {
  margin: 0;
  color: var(--white-100);
  font-size: 15.5px;
  line-height: 1.78;
}
.page-privacy .pp-summary details {
  margin-top: 14px;
}
.page-privacy .pp-summary__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--deep-500);
  background: rgba(7, 26, 43, 0.5);
  color: var(--green-400);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  cursor: pointer;
  list-style: none;
  transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.page-privacy .pp-summary__btn::-webkit-details-marker { display: none; }
.page-privacy .pp-summary__btn::marker { content: ""; }
.page-privacy .pp-summary__btn:hover,
.page-privacy .pp-summary__btn:focus-visible {
  border-color: var(--green-600);
  background: rgba(31, 163, 122, 0.14);
}
.page-privacy .pp-summary__btn::after {
  content: "+";
  display: inline-block;
  font-size: 14px;
  line-height: 1;
  color: var(--amber-500);
  transition: transform var(--t-base);
}
.page-privacy details[open] > .pp-summary__btn::after {
  transform: rotate(45deg);
}
.page-privacy .pp-summary__list {
  display: grid;
  gap: 9px;
  margin: 16px 0 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--deep-500);
}
.page-privacy .pp-summary__list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-soft);
}
.page-privacy .pp-summary__list .mono {
  flex: 0 0 auto;
  padding-top: 2px;
  font-size: 12px;
  color: var(--amber-500);
}

/* 顶部通栏视觉 */
.page-privacy .pp-banner {
  position: relative;
  margin: 0 0 clamp(34px, 5vw, 60px);
  border-radius: var(--r-lg);
  border: 1px solid var(--deep-500);
  overflow: hidden;
  background: var(--deep-700);
}
.page-privacy .pp-banner img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-privacy .pp-banner::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 42%;
  background: linear-gradient(180deg, rgba(7, 26, 43, 0) 0%, rgba(7, 26, 43, 0.82) 100%);
  pointer-events: none;
}

/* 布局 */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

/* 章节刻度 */
.page-privacy .pp-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--deep-500);
  scrollbar-width: none;
}
.page-privacy .pp-rail::-webkit-scrollbar { display: none; }
.page-privacy .pp-rail__label { display: none; }
.page-privacy .pp-rail__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  white-space: nowrap;
  padding: 7px 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--deep-500);
  background: rgba(14, 44, 69, 0.62);
  color: var(--text-soft);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.page-privacy .pp-rail__link .mono {
  font-size: 11px;
  color: var(--amber-500);
}
.page-privacy .pp-rail__link:hover,
.page-privacy .pp-rail__link:focus-visible {
  color: var(--white-100);
  border-color: var(--green-600);
  background: rgba(31, 163, 122, 0.16);
}

/* 正文 */
.page-privacy .pp-body { min-width: 0; }
.page-privacy .pp-section {
  padding: 30px 0;
  border-bottom: 1px solid var(--deep-500);
  scroll-margin-top: 104px;
}
.page-privacy .pp-section:first-child { padding-top: 4px; }
.page-privacy .pp-section:last-child { border-bottom: 0; }

.page-privacy .pp-section__num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber-500);
}
.page-privacy .pp-section__title {
  margin: 0 0 16px;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.3;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--white-100);
}
.page-privacy .pp-section__sub {
  margin: 22px 0 10px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--green-400);
}
.page-privacy .pp-section__sub:first-of-type { margin-top: 6px; }

.page-privacy .pp-text {
  max-width: 72ch;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-soft);
}
.page-privacy .pp-text:last-child { margin-bottom: 0; }

.page-privacy .pp-list {
  max-width: 76ch;
  margin: 0 0 6px;
  padding: 0;
  list-style: none;
}
.page-privacy .pp-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid rgba(20, 64, 95, 0.85);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text-soft);
}
.page-privacy .pp-list li:last-child { border-bottom: 0; }
.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 23px;
  width: 9px;
  height: 2px;
  background: var(--green-600);
}
.page-privacy .pp-list strong {
  font-weight: 600;
  color: var(--white-100);
}

/* 页尾 */
.page-privacy .pp-end {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 46px;
  padding-top: 32px;
  border-top: 1px solid var(--deep-500);
}
.page-privacy .pp-toTop {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--deep-500);
  background: var(--deep-700);
  color: var(--white-100);
  font-size: 13.5px;
  text-decoration: none;
  transition: transform var(--t-base), border-color var(--t-base), background var(--t-base);
}
.page-privacy .pp-toTop::before {
  content: "↑";
  font-family: var(--font-mono);
  color: var(--amber-500);
}
.page-privacy .pp-toTop:hover,
.page-privacy .pp-toTop:focus-visible {
  transform: translateY(-2px);
  border-color: var(--green-600);
  background: var(--deep-500);
}

.page-privacy .pp-neighbors {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.page-privacy .pp-neighbor {
  display: block;
  padding: 18px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--deep-500);
  background: rgba(14, 44, 69, 0.7);
  text-decoration: none;
  transition: transform var(--t-base), border-color var(--t-base), background var(--t-base);
}
.page-privacy .pp-neighbor:hover,
.page-privacy .pp-neighbor:focus-visible {
  transform: translateY(-2px);
  border-color: var(--green-600);
  background: var(--deep-700);
}
.page-privacy .pp-neighbor__kicker {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-500);
}
.page-privacy .pp-neighbor__title {
  display: block;
  margin-bottom: 5px;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--white-100);
}
.page-privacy .pp-neighbor__desc {
  display: block;
  font-size: 13.5px;
  line-height: 1.62;
  color: var(--text-dim);
}

.page-privacy :focus-visible {
  outline: 2px solid var(--green-400);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* 响应式 */
@media (min-width: 700px) {
  .page-privacy .pp-neighbors {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-privacy .pp-hero { padding: 56px 0 40px; }

  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-privacy .pp-rail {
    position: sticky;
    top: var(--pp-sticky);
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0 0 0 20px;
    border-bottom: 0;
    border-left: 1px solid var(--deep-500);
  }
  .page-privacy .pp-rail__label {
    display: block;
    margin: 0 0 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.18em;
    color: var(--text-dim);
  }
  .page-privacy .pp-rail__link {
    position: relative;
    display: block;
    padding: 8px 0;
    white-space: normal;
    border: 0;
    border-radius: 0;
    background: none;
    font-size: 14px;
    line-height: 1.5;
  }
  .page-privacy .pp-rail__link .mono {
    margin-right: 6px;
    color: var(--text-dim);
    transition: color var(--t-fast);
  }
  .page-privacy .pp-rail__link::before {
    content: "";
    position: absolute;
    left: -21px;
    top: 50%;
    width: 2px;
    height: 20px;
    background: var(--green-400);
    transform: translateY(-50%) scaleY(0);
    transform-origin: center;
    transition: transform var(--t-base);
  }
  .page-privacy .pp-rail__link:hover,
  .page-privacy .pp-rail__link:focus-visible {
    color: var(--white-100);
    background: none;
  }
  .page-privacy .pp-rail__link:hover .mono,
  .page-privacy .pp-rail__link:focus-visible .mono {
    color: var(--amber-500);
  }
  .page-privacy .pp-rail__link:hover::before,
  .page-privacy .pp-rail__link:focus-visible::before {
    transform: translateY(-50%) scaleY(1);
  }

  .page-privacy .pp-section { padding: 40px 0; }
  .page-privacy .pp-end { margin-top: 56px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.001ms !important;
  }
  .page-privacy .pp-neighbor:hover,
  .page-privacy .pp-neighbor:focus-visible,
  .page-privacy .pp-toTop:hover,
  .page-privacy .pp-toTop:focus-visible {
    transform: none;
  }
}
</PAGE_CSS>>>