.page-privacy {
  --pp-hair: #1B2A44;
  --pp-rail: 104px;
  --pp-surface: rgba(11, 21, 38, 0.92);
  background: var(--bg-deep);
  color: var(--ice-white);
  overflow-x: clip;
}

/* ---- 滚动进度条 ---- */
.page-privacy .scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0;
  z-index: 70;
  background: linear-gradient(90deg, var(--ice-blue), var(--neon-cyan));
  pointer-events: none;
}

/* ---- 页头 ---- */
.page-privacy .pp-hero {
  position: relative;
  padding: 40px 0 48px;
  border-bottom: 1px solid var(--pp-hair);
  overflow: hidden;
}

.page-privacy .pp-hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.page-privacy .pp-hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.55) contrast(1.05);
}

.page-privacy .pp-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 11, 24, 0.5) 0%, rgba(5, 11, 24, 0.86) 58%, var(--bg-deep) 100%);
}

.page-privacy .pp-hero-shell {
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumb a {
  color: var(--frost-silver);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-privacy .breadcrumb a:hover {
  color: var(--ice-blue);
}

.page-privacy .pp-hero .eyebrow {
  margin-top: 28px;
  color: var(--neon-cyan);
  opacity: 0.8;
}

.page-privacy .pp-lede {
  max-width: 62ch;
  color: var(--frost-silver);
}

.page-privacy .pp-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin: 30px 0 0;
  padding: 0;
}

.page-privacy .pp-jump a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--frost-silver);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-privacy .pp-jump a:hover,
.page-privacy .pp-jump a:focus-visible {
  color: var(--neon-cyan);
  border-bottom-color: var(--neon-cyan);
}

/* ---- 正文 ---- */
.page-privacy .pp-doc {
  padding-top: 4px;
  padding-bottom: 72px;
}

.page-privacy .pp-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  padding: 34px 0;
  border-top: 1px solid var(--pp-hair);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .pp-section:first-of-type {
  border-top: 0;
}

.page-privacy .pp-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--neon-cyan);
  opacity: 0.85;
}

.page-privacy .pp-content .heading-2 {
  margin: 0 0 16px;
  font-size: 26px;
  line-height: 1.25;
}

.page-privacy .pp-content > .text-measure {
  margin: 0 0 26px;
  color: var(--frost-silver);
  font-size: 16px;
  line-height: 1.9;
}

/* 定义型条目 */
.page-privacy .pp-items {
  margin: 0;
  padding: 0;
}

.page-privacy .pp-item {
  padding: 20px 0;
  border-top: 1px solid rgba(27, 42, 68, 0.75);
}

.page-privacy .pp-item:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .pp-item dt {
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ice-white);
  letter-spacing: 0.01em;
}

.page-privacy .pp-item dt::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 1px;
  margin-right: 10px;
  vertical-align: 5px;
  background: var(--aurora-purple);
}

.page-privacy .pp-item dd {
  margin: 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--frost-silver);
}

/* 通用条目列表 */
.page-privacy .pp-uses {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-privacy .pp-uses li {
  position: relative;
  padding-left: 22px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--frost-silver);
}

.page-privacy .pp-uses li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--ice-blue);
}

.page-privacy .pp-uses strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--ice-white);
  text-transform: uppercase;
}

.page-privacy .pp-inline-links {
  margin: 26px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--frost-silver);
}

.page-privacy .pp-inline-links a {
  color: var(--ice-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(61, 155, 240, 0.4);
  transition: border-color 0.2s ease, color 0.2s ease;
}

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

/* ---- 延伸阅读 ---- */
.page-privacy .pp-more {
  margin-top: 12px;
  padding-top: 44px;
  border-top: 1px solid var(--pp-hair);
}

.page-privacy .pp-more .heading-3 {
  margin: 0;
  font-size: 20px;
  color: var(--ice-white);
}

.page-privacy .pp-more-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 22px;
}

.page-privacy .pp-more-link {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--pp-hair);
  border-radius: 2px;
  background: linear-gradient(158deg, rgba(11, 21, 38, 0.95), rgba(5, 11, 24, 0.92));
  text-decoration: none;
  transition: border-color 0.24s ease, transform 0.24s ease;
}

.page-privacy .pp-more-link:hover,
.page-privacy .pp-more-link:focus-visible {
  border-color: var(--ice-blue);
  transform: translateY(-2px);
}

.page-privacy .pp-more-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--ice-white);
}

.page-privacy .pp-more-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--frost-silver);
}

/* ---- 返回顶部 ---- */
.page-privacy .to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ice-white);
  background: var(--pp-surface);
  border: 1px solid var(--crack-blue);
  border-radius: 2px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.24s ease, visibility 0.24s ease, border-color 0.24s ease;
}

.page-privacy .to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.page-privacy .to-top:hover {
  border-color: var(--ice-blue);
}

/* ---- 桌面端 ---- */
@media (min-width: 860px) {
  .page-privacy .pp-hero {
    padding: 56px 0 64px;
  }

  .page-privacy .pp-jump {
    margin-top: 36px;
  }

  .page-privacy .pp-doc {
    padding-bottom: 96px;
  }

  .page-privacy .pp-section {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: 44px;
    padding: 56px 0;
  }

  .page-privacy .pp-num {
    padding-top: 12px;
  }

  .page-privacy .pp-content {
    max-width: var(--text-max);
  }

  .page-privacy .pp-content .heading-2 {
    font-size: 30px;
    margin-bottom: 20px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-jump a,
  .page-privacy .pp-more-link,
  .page-privacy .to-top {
    transition: none;
  }

  .page-privacy .pp-more-link:hover,
  .page-privacy .pp-more-link:focus-visible {
    transform: none;
  }
}