.page-privacy {
  --pp-measure: 74ch;
  --pp-rule: rgba(138, 151, 166, .20);
  position: relative;
  padding-block: clamp(24px, 4vw, 44px) clamp(46px, 7vw, 88px);
  background: var(--ink);
  color: var(--text);
  overflow-x: clip;
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: min(720px, 82vh);
  background-image:
    linear-gradient(rgba(0, 229, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, .04) 1px, transparent 1px);
  background-size: 56px 56px;
  pointer-events: none;
  z-index: 0;
  -webkit-mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 30%, transparent 100%);
}

.page-privacy > * {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */

.page-privacy .pp-hero {
  padding-block: 0 clamp(10px, 2vw, 20px);
}

.page-privacy .pp-hero .breadcrumb {
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

.page-privacy .pp-hero .eyebrow {
  margin-bottom: 16px;
}

.page-privacy .pp-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(29px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.005em;
  color: var(--panel);
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  max-width: 22ch;
}

.page-privacy .pp-h1__em {
  color: var(--cyan);
}

.page-privacy .pp-hero__lede {
  max-width: 64ch;
  margin: 0 0 22px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--text);
}

.page-privacy .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
}

.page-privacy .pp-hero__meta .mono {
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--gray);
}

.page-privacy .pp-figure {
  margin: clamp(28px, 4.4vw, 52px) 0 0;
  padding: 0;
}

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

/* ---------- 主体网格 ---------- */

.page-privacy .pp-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4.4vw, 46px);
  margin-top: clamp(34px, 5.4vw, 64px);
}

@media (min-width: 900px) {
  .page-privacy .pp-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(34px, 5vw, 76px);
    align-items: start;
  }
}

/* ---------- 章节锚点 ---------- */

.page-privacy .pp-toc {
  border: 2px solid var(--pp-rule);
  background: var(--carbon);
  box-shadow: var(--shadow-soft);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
}

.page-privacy .pp-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gray);
}

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

.page-privacy .pp-toc a {
  display: block;
  padding: 9px 10px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text);
  text-decoration: none;
  border-left: 2px solid transparent;
  border-radius: 2px;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-privacy .pp-toc a:hover,
.page-privacy .pp-toc a:focus-visible {
  color: var(--cyan);
  background: rgba(0, 229, 255, .07);
  border-left-color: var(--cyan);
}

.page-privacy .pp-toc a:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

@media (min-width: 900px) {
  .page-privacy .pp-toc {
    position: sticky;
    top: 132px;
  }
}

@media (max-width: 899px) {
  .page-privacy .pp-toc {
    padding: 14px 12px 10px;
  }

  .page-privacy .pp-toc ol {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }

  .page-privacy .pp-toc li {
    flex: none;
  }

  .page-privacy .pp-toc a {
    white-space: nowrap;
    border-left: 0;
    border-bottom: 2px solid transparent;
    padding: 7px 11px;
    font-size: 13.5px;
    background: rgba(138, 151, 166, .07);
  }

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

/* ---------- 章节正文 ---------- */

.page-privacy .pp-articles {
  max-width: var(--pp-measure);
  min-width: 0;
}

.page-privacy .pp-sec {
  scroll-margin-top: 128px;
  padding-block: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--pp-rule);
}

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

.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .pp-sec__num {
  flex: none;
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .pp-sec h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(21px, 2.5vw, 29px);
  font-weight: 700;
  line-height: 1.32;
  color: var(--panel);
}

.page-privacy .pp-sec__lede {
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-privacy .pp-sec__lede a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--text);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .76em;
  width: 12px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .pp-list--dot li::before {
  top: .74em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--violet);
}

.page-privacy .pp-list strong {
  color: var(--panel);
  font-weight: 700;
}

.page-privacy .pp-callout {
  margin: 20px 0 0;
  padding: 15px 18px;
  border-left: 3px solid var(--amber);
  background: rgba(255, 179, 0, .06);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: #EBD9B0;
}

/* ---------- 尾注 ---------- */

.page-privacy .pp-tail {
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(22px, 3vw, 32px);
  border-radius: var(--radius);
}

.page-privacy .pp-tail .eyebrow {
  margin-bottom: 12px;
}

.page-privacy .pp-tail__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--panel);
}

.page-privacy .pp-tail__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-privacy .pp-tail__desc a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, .4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

@media (max-width: 639px) {
  .page-privacy .pp-hero h1 {
    max-width: none;
  }

  .page-privacy .pp-sec__head {
    gap: 10px;
  }

  .page-privacy .pp-figure {
    margin-left: calc(var(--gut) * -.5);
    margin-right: calc(var(--gut) * -.5);
  }
}