.page-privacy {
  --pp-measure: 64ch;
  --pp-rule: rgba(30, 58, 82, .72);
  background: var(--ink-900);
  color: var(--cream);
  padding: clamp(20px, 4vw, 40px) 0 clamp(72px, 10vw, 132px);
  overflow-x: clip;
}

.page-privacy .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 36px);
}

/* ---------- 首屏 ---------- */

.page-privacy .pp-hero {
  position: relative;
  max-width: 720px;
}

.page-privacy .pp-hero h1 {
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(1.75rem, 5.4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--cream);
  margin: 14px 0 0;
}

.page-privacy .pp-hero .lead {
  max-width: 58ch;
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--cream-72);
}

.page-privacy .pp-stamp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 24px;
  padding: 7px 14px;
  border: 1px solid var(--ink-700);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--rock);
}

.page-privacy .pp-stamp-val {
  color: var(--cyan);
  font-weight: 700;
}

.page-privacy .pp-vertical {
  display: none;
}

/* ---------- 右侧条款快捷跳转 ---------- */

.page-privacy .pp-rail {
  display: none;
}

/* ---------- 条款主体 ---------- */

.page-privacy .pp-clause {
  max-width: 720px;
  padding: clamp(30px, 4.4vw, 48px) 0;
  border-top: 1px solid var(--pp-rule);
  scroll-margin-top: 96px;
}

.page-privacy .pp-clause:first-of-type {
  margin-top: clamp(36px, 6vw, 64px);
}

.page-privacy .pp-clause-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
}

.page-privacy .pp-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  padding: 4px 8px;
  border: 1px solid var(--ink-700);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pp-num:hover,
.page-privacy .pp-num:focus-visible {
  background: var(--cyan-soft);
  border-color: var(--cyan);
  outline: none;
}

.page-privacy .pp-clause-title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-privacy .pp-clause-body {
  margin-top: 18px;
}

.page-privacy .pp-terms {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-privacy .pp-term {
  display: grid;
  gap: 6px;
  padding-left: 14px;
  border-left: 1px solid var(--line-soft);
}

.page-privacy .pp-term dt {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--cream);
}

.page-privacy .pp-term dd {
  margin: 0;
  max-width: var(--pp-measure);
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--cream-72);
}

.page-privacy .pp-intro {
  max-width: var(--pp-measure);
  margin: 0 0 18px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--cream-72);
}

.page-privacy .pp-intro:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-key {
  color: var(--cream);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.page-privacy .pp-link {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.page-privacy .pp-link:hover,
.page-privacy .pp-link:focus-visible {
  color: var(--signal);
}

/* ---------- 折叠摘要 ---------- */

.page-privacy .pp-details {
  margin-top: 22px;
  border: 1px solid var(--ink-700);
  border-radius: var(--r-s);
  background: rgba(18, 40, 60, .6);
  padding: 0 16px;
}

.page-privacy .pp-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--rock);
  transition: color .18s var(--ease);
}

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

.page-privacy .pp-details summary::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-left: auto;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .18s var(--ease);
}

.page-privacy .pp-details[open] summary {
  color: var(--cyan);
}

.page-privacy .pp-details[open] summary::after {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-privacy .pp-details p {
  margin: 0 0 16px;
  max-width: var(--pp-measure);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--cream-72);
}

/* ---------- 中段抽象视觉 ---------- */

.page-privacy .pp-figure {
  max-width: 900px;
  margin: clamp(40px, 6vw, 68px) 0;
}

.page-privacy .pp-figure .figure-media {
  border: 1px solid var(--ink-700);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--ink-800);
}

.page-privacy .pp-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .pp-figure .figure-caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--rock);
}

/* ---------- 权利申请条目 ---------- */

.page-privacy .pp-actions {
  display: grid;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .pp-action {
  border-left: 3px solid var(--cyan);
  background: var(--cyan-soft);
  border-radius: 0 var(--r-s) var(--r-s) 0;
  padding: 16px 18px;
}

.page-privacy .pp-action-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-privacy .pp-action p {
  margin: 0;
  max-width: var(--pp-measure);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cream-72);
}

.page-privacy .pp-callout {
  margin: 0 0 22px;
  padding: 16px 18px;
  border: 1px dashed rgba(44, 242, 208, .45);
  border-radius: var(--r-s);
  background: rgba(18, 40, 60, .72);
}

.page-privacy .pp-callout p {
  margin: 0;
  max-width: var(--pp-measure);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--cream-72);
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 720px) {
  .page-privacy .pp-clause-body {
    margin-left: 48px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-vertical {
    display: block;
    position: absolute;
    top: 4px;
    right: -36px;
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .32em;
    color: var(--rock);
    opacity: .75;
    pointer-events: none;
  }

  .page-privacy .pp-actions {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-privacy .pp-action {
    padding: 18px 18px 20px;
  }
}

/* ---------- 桌面端右侧细索引 ---------- */

@media (min-width: 1140px) {
  .page-privacy .pp-rail {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: fixed;
    top: 50%;
    right: clamp(16px, 2.4vw, 40px);
    transform: translateY(-50%);
    z-index: 6;
  }

  .page-privacy .pp-rail-link {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .1em;
    color: var(--rock);
    text-decoration: none;
    white-space: nowrap;
    transition: color .18s var(--ease);
  }

  .page-privacy .pp-rail-link::before {
    content: "";
    width: 16px;
    height: 1px;
    background: currentColor;
    transition: width .18s var(--ease);
  }

  .page-privacy .pp-rail-link:hover,
  .page-privacy .pp-rail-link:focus-visible {
    color: var(--cyan);
    outline: none;
  }

  .page-privacy .pp-rail-link:hover::before,
  .page-privacy .pp-rail-link:focus-visible::before {
    width: 28px;
  }
}

/* ---------- 窄屏收束 ---------- */

@media (max-width: 620px) {
  .page-privacy .pp-clause-head {
    gap: 10px;
  }

  .page-privacy .pp-num {
    min-width: 33px;
    padding: 3px 6px;
    font-size: 12px;
  }

  .page-privacy .pp-clause {
    padding: 26px 0;
  }

  .page-privacy .pp-term {
    padding-left: 12px;
  }

  .page-privacy .pp-figure {
    margin: 32px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-num,
  .page-privacy .pp-details summary,
  .page-privacy .pp-details summary::after,
  .page-privacy .pp-rail-link,
  .page-privacy .pp-rail-link::before {
    transition: none;
  }
}