.page-privacy {
  --pp-measure: 46rem;
  --pp-rail: 13rem;
  --pp-gutter: 2.75rem;
}

.page-privacy .pp-crumbs {
  padding-top: 24px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  border-bottom: 2px solid var(--rule);
}

.page-privacy .pp-hero__inner {
  padding: 32px 0 40px;
}

.page-privacy .pp-hero__eyebrow {
  display: inline-block;
  margin: 0;
  padding: 5px 10px;
  border: 1.5px solid var(--line);
  background: rgba(255, 174, 59, 0.08);
  box-shadow: var(--shadow-hard);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-privacy .pp-hero__title {
  margin: 22px 0 0;
  max-width: 16ch;
  font-family: var(--font-head);
  font-size: clamp(34px, 8vw, 60px);
  line-height: 1.03;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-privacy .pp-hero__lede {
  max-width: var(--pp-measure);
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .pp-hero__note {
  max-width: var(--pp-measure);
  margin: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--mute);
}

/* ---------- 首屏下方抽象视觉 ---------- */
.page-privacy .pp-visual-wrap {
  padding-top: 38px;
  padding-bottom: 6px;
}

.page-privacy .pp-visual {
  margin: 0;
  border: 2px solid var(--line);
  background: linear-gradient(150deg, #0E221C 0%, #07120F 72%);
  box-shadow: var(--shadow-hard);
}

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

.page-privacy .pp-visual figcaption {
  padding: 10px 14px;
  border-top: 1.5px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 主体：锚点轨道 + 长文 ---------- */
.page-privacy .pp-body {
  display: block;
  padding-top: 34px;
  padding-bottom: 72px;
}

.page-privacy .pp-rail {
  margin-bottom: 36px;
  padding: 16px 14px;
  border: 1.5px solid var(--rule);
  background: var(--panel);
}

.page-privacy .pp-rail__head {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mute);
}

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

.page-privacy .pp-rail__link {
  display: flex;
  gap: 10px;
  padding: 7px 8px;
  border-left: 2px solid transparent;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-privacy .pp-rail__link:hover {
  background: rgba(53, 240, 200, 0.08);
  border-left-color: var(--cyan);
  color: var(--paper);
}

.page-privacy .pp-rail__num {
  flex: none;
  padding-top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-privacy .pp-rail__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1.5px solid var(--rule-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mute);
}

.page-privacy .pp-rail__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .pp-rail__foot a:hover {
  border-bottom-color: var(--cyan);
}

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

/* ---------- 小节 ---------- */
.page-privacy .pp-sec {
  padding: 30px 0 8px;
  border-top: 1.5px solid var(--rule-soft);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

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

.page-privacy .pp-sec__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-privacy .pp-sec__title {
  margin: 8px 0 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 4.6vw, 28px);
  line-height: 1.26;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-privacy .pp-sec__title::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  margin-top: 10px;
  background: var(--cyan);
}

.page-privacy .pp-sec__summary {
  max-width: var(--pp-measure);
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .pp-sec__body {
  max-width: var(--pp-measure);
  margin-top: 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .pp-sec__body p {
  margin: 16px 0 0;
}

.page-privacy .pp-sec__body p a {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--rule);
  transition: text-decoration-color 0.2s ease;
}

.page-privacy .pp-sec__body p a:hover {
  text-decoration-color: var(--cyan);
}

.page-privacy .pp-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 22px;
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 9px;
  height: 9px;
  border: 1.5px solid var(--cyan);
  background: rgba(53, 240, 200, 0.16);
  transform: translateY(-50%);
}

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

/* ---------- 术语释义 ---------- */
.page-privacy .term {
  position: relative;
  color: var(--paper);
  border-bottom: 1px dashed var(--amber);
  cursor: help;
}

.page-privacy .term__tip {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  z-index: 6;
  width: max-content;
  max-width: min(260px, 72vw);
  padding: 9px 11px;
  border: 1.5px solid var(--line);
  background: var(--ink);
  box-shadow: var(--shadow-hard);
  font-family: var(--font-body);
  font-size: 12.5px;
  font-style: normal;
  font-weight: 400;
  line-height: 1.65;
  color: var(--mist);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-3px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.page-privacy .term:hover .term__tip,
.page-privacy .term:focus .term__tip,
.page-privacy .term:focus-visible .term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 收尾区 ---------- */
.page-privacy .pp-exit {
  margin-top: 52px;
  padding: 26px 20px;
  border: 2px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-privacy .pp-exit__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 24px;
  line-height: 1.3;
  color: var(--paper);
}

.page-privacy .pp-exit__text {
  max-width: var(--pp-measure);
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .pp-exit__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 焦点反馈 ---------- */
.page-privacy .pp-rail__link:focus-visible,
.page-privacy .pp-rail__foot a:focus-visible,
.page-privacy .pp-sec__body a:focus-visible,
.page-privacy .term:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 820px) {
  .page-privacy .pp-hero__inner {
    padding: 52px 0 56px;
  }

  .page-privacy .pp-body {
    display: grid;
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    column-gap: var(--pp-gutter);
    align-items: start;
    padding-top: 44px;
    padding-bottom: 96px;
  }

  .page-privacy .pp-rail {
    position: sticky;
    top: calc(var(--bar-h) + 18px);
    margin-bottom: 0;
  }

  .page-privacy .pp-sec {
    padding: 38px 0 10px;
  }

  .page-privacy .pp-sec__body {
    font-size: 16px;
  }
}

@media (min-width: 1140px) {
  .page-privacy {
    --pp-gutter: 3.5rem;
  }

  .page-privacy .pp-rail {
    padding: 18px 16px;
  }
}

/* ---------- 降级与打印 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-rail__link,
  .page-privacy .term__tip,
  .page-privacy .pp-sec__body p a {
    transition: none;
  }
}

@media print {
  .page-privacy .pp-rail,
  .page-privacy .pp-visual {
    display: none;
  }

  .page-privacy .pp-hero__title,
  .page-privacy .pp-sec__title,
  .page-privacy .pp-exit__title,
  .page-privacy .pp-list strong,
  .page-privacy .term {
    color: #000;
  }

  .page-privacy .pp-hero__lede,
  .page-privacy .pp-hero__note,
  .page-privacy .pp-sec__summary,
  .page-privacy .pp-sec__body,
  .page-privacy .pp-exit__text {
    color: #1a1a1a;
  }

  .page-privacy .pp-sec {
    border-top: 1px solid #999;
  }

  .page-privacy .pp-sec__title::after {
    background: #000;
  }

  .page-privacy .pp-sec__summary {
    border-left-color: #000;
  }

  .page-privacy .pp-list > li::before {
    border-color: #000;
    background: transparent;
  }
}