.page-privacy {
  --pp-measure: 46rem;
  position: relative;
  isolation: isolate;
  background-color: var(--ink-900);
  color: var(--paper);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 14% 4%, rgba(40, 211, 196, 0.13), transparent 52%),
    radial-gradient(circle at 88% 36%, rgba(246, 196, 83, 0.09), transparent 50%),
    repeating-linear-gradient(0deg, rgba(242, 246, 250, 0.03) 0 1px, transparent 1px 5px);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  padding: 1.75rem 0 2.5rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
}

.page-privacy .pp-hero-art {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .pp-hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.28;
  display: block;
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(180deg, rgba(6, 16, 31, 0.5) 0%, rgba(6, 16, 31, 0.9) 68%, var(--ink-900) 100%);
}

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

.page-privacy .pp-hero .breadcrumb {
  margin-bottom: 1.25rem;
}

.page-privacy .pp-title {
  margin: 0.5rem 0 0.9rem;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 6.4vw, 3.1rem);
  line-height: 1.16;
  letter-spacing: 0.035em;
  color: var(--paper);
}

.page-privacy .pp-lede {
  margin: 0;
  max-width: 40rem;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(242, 246, 250, 0.82);
}

.page-privacy .pp-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin: 1.75rem 0 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(11, 27, 48, 0.72);
}

.page-privacy .pp-meta > div {
  min-width: 0;
}

.page-privacy .pp-meta dt {
  margin: 0;
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--silver);
}

.page-privacy .pp-meta dd {
  margin: 0.25rem 0 0;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 主体两栏 ---------- */
.page-privacy .pp-body {
  display: grid;
  gap: 2.25rem;
  padding: 2.25rem 0 4rem;
}

.page-privacy .pp-toc {
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(11, 27, 48, 0.78);
}

.page-privacy .pp-toc-title {
  margin: 0 0 0.55rem;
  padding-left: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--yellow);
}

.page-privacy .pp-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.1rem;
}

.page-privacy .pp-toc a {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.45rem 0.55rem;
  border-left: 2px solid transparent;
  border-radius: var(--r-md);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--silver);
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .pp-toc a:hover,
.page-privacy .pp-toc a:focus-visible {
  color: var(--paper);
  background: rgba(40, 211, 196, 0.1);
  border-left-color: var(--cyan);
}

.page-privacy .pp-toc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
  opacity: 0.85;
}

/* ---------- 正文 ---------- */
.page-privacy .pp-doc p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(242, 246, 250, 0.86);
}

.page-privacy .pp-sec {
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 5.5rem;
}

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

.page-privacy .pp-sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 0.9rem;
}

.page-privacy .pp-sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(1.65rem, 5.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pp-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.0625rem, 3.4vw, 1.4375rem);
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-privacy .pp-sec:target .pp-sec-title {
  color: var(--yellow);
}

.page-privacy .pp-sec-anchor {
  margin-left: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--cyan);
  text-decoration: none;
  opacity: 0.32;
  transition: opacity 0.18s ease;
}

.page-privacy .pp-sec-anchor:hover,
.page-privacy .pp-sec-anchor:focus-visible {
  opacity: 1;
}

.page-privacy .pp-doc a:not(.pp-sec-anchor) {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.page-privacy .pp-doc a:not(.pp-sec-anchor):hover {
  color: var(--yellow);
}

/* 列表 */
.page-privacy .pp-list {
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(242, 246, 250, 0.86);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 1px;
  background: var(--cyan);
  transform: rotate(45deg);
}

/* 信息类型卡片 */
.page-privacy .pp-cards {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}

.page-privacy .pp-card {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(18, 42, 69, 0.55);
}

.page-privacy .pp-card-k {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--yellow);
}

.page-privacy .pp-card-v {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(242, 246, 250, 0.84);
}

/* 联系卡 */
.page-privacy .pp-callout {
  margin: 1.25rem 0 0;
  padding: 1rem 1.1rem;
  border: 1px solid rgba(40, 211, 196, 0.34);
  border-radius: var(--r-md);
  background: rgba(40, 211, 196, 0.07);
}

.page-privacy .pp-callout-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.75rem;
  margin: 0 0 0.55rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.page-privacy .pp-callout-k {
  flex: none;
  min-width: 4.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-privacy .pp-callout-note {
  margin: 0.35rem 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(242, 246, 250, 0.78);
}

/* 回到顶部 */
.page-privacy .pp-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(11, 27, 48, 0.94);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--silver);
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-hero {
    padding: 2.25rem 0 3.25rem;
  }

  .page-privacy .pp-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
  }

  .page-privacy .pp-cards > li:last-child:nth-child(odd) {
    grid-column: 1 / -1;
  }

  .page-privacy .pp-lede,
  .page-privacy .pp-doc p,
  .page-privacy .pp-list li {
    font-size: 1.0625rem;
  }
}

@media (min-width: 960px) {
  .page-privacy .pp-body {
    grid-template-columns: 15.5rem minmax(0, 1fr);
    gap: 3.25rem;
    padding: 3.25rem 0 5rem;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }

  .page-privacy .pp-doc {
    max-width: var(--pp-measure);
  }

  .page-privacy .pp-sec {
    padding-top: 2.5rem;
    margin-top: 2.5rem;
  }

  .page-privacy .pp-top {
    right: 1.75rem;
    bottom: 1.75rem;
  }
}