/* ============ page-privacy ============ */
.page-privacy {
  --pv-rule: var(--fb-hairline-on-paper);
  --pv-paper-ink: var(--fb-text-on-light);
  --pv-accent: var(--fb-jade-zone);
  --pv-gap: 32px;
  display: block;
}

.page-privacy [id] {
  scroll-margin-top: 88px;
}

.page-privacy .pv-p,
.page-privacy .pv-points__body,
.page-privacy .pv-versions__d {
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  background: var(--fb-ink-900);
  border-bottom: 1px solid var(--fb-hairline);
}

.page-privacy .pv-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  filter: saturate(0.55);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(180deg, rgba(10, 24, 38, 0.4) 0%, rgba(10, 24, 38, 0.94) 74%, var(--fb-ink-900) 100%),
    repeating-linear-gradient(90deg, rgba(53, 227, 224, 0.1) 0 1px, transparent 1px 84px);
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: 40px;
  padding-bottom: 52px;
}

.page-privacy .pv-hero__eyebrow {
  margin-top: 26px;
}

.page-privacy .pv-hero__title {
  margin: 12px 0 0;
}

.page-privacy .pv-hero__lead {
  margin: 16px 0 0;
  max-width: 60ch;
}

.page-privacy .pv-quick {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 32px;
  background: var(--fb-hairline);
  border: 1px solid var(--fb-hairline);
}

.page-privacy .pv-quick__cell {
  background: rgba(18, 38, 58, 0.75);
  padding: 14px 16px;
}

.page-privacy .pv-quick__k {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fb-text-muted);
}

.page-privacy .pv-quick__v {
  margin: 6px 0 0;
  font-family: var(--fb-font-num);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--fb-orange);
}

.page-privacy .pv-quick__u {
  margin-left: 6px;
  font-family: var(--fb-font-body);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--fb-text-muted);
}

/* ---------- 双栏骨架 ---------- */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pv-gap);
  padding-top: 40px;
  padding-bottom: 56px;
}

/* ---------- 左侧目录 ---------- */
.page-privacy .pv-toc {
  border-top: 1px solid var(--fb-hairline);
  padding-top: 16px;
}

.page-privacy .pv-toc__eyebrow {
  margin: 0;
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
}

.page-privacy .pv-toc__link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 8px 6px 8px 0;
  border-bottom: 1px solid transparent;
  text-decoration: none;
  color: var(--fb-text-muted);
  font-size: 14px;
  line-height: 1.5;
  transition: color var(--fb-ease), border-color var(--fb-ease), transform var(--fb-ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--fb-cyan);
  border-bottom-color: var(--fb-hairline);
  transform: translateX(2px);
}

.page-privacy .pv-toc__no {
  font-family: var(--fb-font-num);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fb-cyan);
  opacity: 0.85;
}

.page-privacy .pv-toc__note {
  margin: 18px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--fb-hairline);
  font-size: 12px;
  line-height: 1.6;
  color: var(--fb-text-muted);
}

/* ---------- 右侧纸面正文 ---------- */
.page-privacy .pv-doc {
  position: relative;
  background: var(--fb-paper);
  color: var(--pv-paper-ink);
  border: 1px solid var(--fb-hairline);
  padding: 22px 16px 26px;
}

.page-privacy .pv-doc::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(15, 31, 46, 0.5) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(90deg, rgba(15, 31, 46, 0.5) 0 1px, transparent 1px 64px);
  opacity: 0.06;
}

.page-privacy .pv-sec {
  position: relative;
  z-index: 1;
  padding: 24px 0 28px;
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .pv-sec:first-child {
  border-top: 0;
  padding-top: 6px;
}

.page-privacy .pv-sec__no {
  margin: 0;
  font-family: var(--fb-font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--pv-accent);
}

.page-privacy .pv-doc .fb-h2.pv-sec__title {
  margin: 6px 0 0;
  color: var(--pv-paper-ink);
  font-size: clamp(21px, 3.2vw, 30px);
}

.page-privacy .pv-p {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-paper-ink);
}

/* ---------- 要点列表 ---------- */
.page-privacy .pv-points {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--pv-rule);
  border: 1px solid var(--pv-rule);
}

.page-privacy .pv-points__item {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  background: var(--fb-paper);
  padding: 12px 13px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pv-paper-ink);
}

.page-privacy .pv-points__no {
  font-family: var(--fb-font-num);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--pv-accent);
  padding-top: 3px;
}

.page-privacy .pv-points__body strong {
  font-weight: 600;
}

.page-privacy .pv-mail {
  font-family: var(--fb-font-num);
  font-size: 0.95em;
  letter-spacing: 0.01em;
  color: var(--fb-wine-zone);
  word-break: break-all;
}

/* ---------- 版本记录 ---------- */
.page-privacy .pv-version {
  margin-top: 18px;
  background: var(--fb-ink-700);
  border: 1px solid var(--fb-hairline);
  padding: 16px 16px 18px;
}

.page-privacy .pv-versions {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
}

.page-privacy .pv-versions__item {
  display: grid;
  grid-template-columns: 68px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px solid var(--fb-hairline);
  color: var(--fb-text);
  font-size: 14px;
  line-height: 1.7;
}

.page-privacy .pv-versions__item:last-child {
  border-bottom: 0;
}

.page-privacy .pv-versions__v {
  font-family: var(--fb-font-num);
  font-size: 15px;
  font-weight: 600;
  color: var(--fb-orange);
  letter-spacing: 0.04em;
}

.page-privacy .pv-versions__d {
  color: var(--fb-text-muted);
}

.page-privacy .pv-version__foot {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--fb-hairline);
  font-size: 14px;
  line-height: 1.75;
  color: var(--fb-text-muted);
}

.page-privacy .pv-version__foot .pv-mail {
  color: var(--fb-cyan);
}

/* ---------- 相关页面 ---------- */
.page-privacy .pv-after {
  padding: 44px 0 56px;
  border-top: 1px solid var(--fb-hairline);
}

.page-privacy .pv-after__eyebrow {
  margin: 0;
}

.page-privacy .pv-after__title {
  margin: 10px 0 24px;
}

.page-privacy .pv-after__grid {
  align-items: stretch;
}

.page-privacy .pv-after__card {
  display: block;
  height: 100%;
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-privacy .pv-quick {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-doc {
    padding: 26px 24px 30px;
  }

  .page-privacy .pv-points__item {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
  }
}

@media (min-width: 1020px) {
  .page-privacy .pv-hero__inner {
    padding-top: 52px;
    padding-bottom: 68px;
  }

  .page-privacy .pv-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 56px;
    padding-top: 60px;
    padding-bottom: 84px;
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .pv-doc {
    padding: 40px 46px 46px;
  }

  .page-privacy .pv-sec {
    padding: 30px 0 34px;
  }

  .page-privacy .pv-p {
    font-size: 17px;
  }

  .page-privacy .pv-after {
    padding: 56px 0 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link {
    transition: none;
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    transform: none;
  }
}