.page-privacy {
  --pp-measure: 660px;
  --pp-index-w: 200px;
  position: relative;
}

.page-privacy::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 160px 160px;
}

/* ---------- 页首 ---------- */
.page-privacy .privacy-lead {
  position: relative;
  padding: calc(var(--header-h) + var(--sp-5)) 0 0;
  background: var(--paper);
}

.page-privacy .privacy-eyebrow {
  color: var(--sea);
  margin: var(--sp-4) 0 0;
}

.page-privacy .privacy-title {
  font-size: clamp(38px, 7.4vw, 86px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--ink);
  max-width: 15ch;
  margin: var(--sp-3) 0 var(--sp-4);
}

.page-privacy .privacy-deck {
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-body);
  margin: 0;
}

.page-privacy .privacy-hero {
  margin: var(--sp-6) 0 0;
}

.page-privacy .privacy-hero .figure-frame {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--line-soft);
}

.page-privacy .privacy-hero .figure-caption {
  margin-top: var(--sp-2);
  color: var(--line);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  position: relative;
  padding: var(--sp-6) 0 var(--sp-7);
  background: var(--paper);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}

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

/* ---------- 左侧索引 ---------- */
.page-privacy .privacy-index {
  border-top: 1px solid var(--ink);
  padding-top: var(--sp-2);
}

.page-privacy .privacy-index-list {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1) var(--sp-3);
}

.page-privacy .privacy-index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-body);
  text-decoration: none;
  transition: color .22s var(--ease);
}

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

.page-privacy .privacy-index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .14em;
  color: var(--line);
  transition: color .22s var(--ease);
}

.page-privacy .privacy-index-link:hover .privacy-index-num,
.page-privacy .privacy-index-link:focus-visible .privacy-index-num {
  color: var(--amber);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  padding-bottom: var(--sp-6);
  margin-bottom: var(--sp-6);
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 32px);
}

.page-privacy .privacy-section:last-of-type {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 0;
}

.page-privacy .privacy-h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 var(--sp-3);
  font-size: clamp(21px, 2.7vw, 30px);
  font-weight: 300;
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-privacy .privacy-h2-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--line);
  transition: color .24s var(--ease);
}

.page-privacy .privacy-section:target .privacy-h2-num {
  color: var(--amber);
}

.page-privacy .privacy-p {
  max-width: 58ch;
  margin: 0 0 var(--sp-3);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-body);
}

/* ---------- 条目表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: var(--sp-2) 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-item-key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--sea);
}

.page-privacy .privacy-item-val {
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink-body);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-item-val .num {
  color: var(--ink);
}

/* ---------- 折叠条目 ---------- */
.page-privacy .privacy-more {
  border-top: 1px solid var(--line-soft);
  padding: var(--sp-2) 0;
}

.page-privacy .privacy-more:last-of-type {
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-more summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-3);
  list-style: none;
  cursor: pointer;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
}

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

.page-privacy .privacy-more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--amber);
  transition: transform .24s var(--ease);
}

.page-privacy .privacy-more[open] summary::after {
  content: "\2212";
}

.page-privacy .privacy-more p {
  max-width: 56ch;
  margin: var(--sp-2) 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-body);
}

/* ---------- 联系条 ---------- */
.page-privacy .privacy-contact {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-contact-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-contact-item:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-contact-key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--line);
}

.page-privacy .privacy-contact-val {
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 相关页面 ---------- */
.page-privacy .privacy-next {
  margin-top: var(--sp-6);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--ink);
}

.page-privacy .privacy-next-list {
  list-style: none;
  margin: var(--sp-2) 0 0;
  padding: 0;
}

.page-privacy .privacy-next-item {
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-next-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  transition: color .22s var(--ease);
}

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

.page-privacy .privacy-next-arrow {
  font-family: var(--font-mono);
  color: var(--amber);
  transition: transform .24s var(--ease);
}

.page-privacy .privacy-next-link:hover .privacy-next-arrow,
.page-privacy .privacy-next-link:focus-visible .privacy-next-arrow {
  transform: translateX(5px);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-item {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: var(--sp-3);
  }

  .page-privacy .privacy-contact-item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: var(--sp-3);
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--pp-index-w) minmax(0, 1fr);
    gap: var(--sp-5) var(--sp-6);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-privacy .privacy-index-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    margin-top: var(--sp-3);
  }

  .page-privacy .privacy-index-item {
    border-bottom: 1px solid var(--line-soft);
  }

  .page-privacy .privacy-index-item:last-child {
    border-bottom: 0;
  }

  .page-privacy .privacy-index-link {
    padding: 10px 0;
  }

  .page-privacy .privacy-lead {
    padding-top: calc(var(--header-h) + var(--sp-6));
  }

  .page-privacy .privacy-body {
    padding-top: var(--sp-7);
  }
}

@media (min-width: 1200px) {
  .page-privacy {
    --pp-measure: 690px;
  }
}

/* ---------- 动效兼容 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index-link,
  .page-privacy .privacy-index-num,
  .page-privacy .privacy-h2-num,
  .page-privacy .privacy-next-link,
  .page-privacy .privacy-next-arrow,
  .page-privacy .privacy-more summary::after {
    transition: none;
  }
}