.page-privacy {
  --pp-measure: 68ch;
  --pp-gutter: 26px;
  --pp-spine-x: 9px;
  background: var(--paper);
  color: var(--graphite);
  padding-bottom: 72px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  padding: calc(var(--bar-h) + 40px) 0 40px;
}

.page-privacy .pp-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-privacy .pp-hero__head {
  max-width: 44rem;
}

.page-privacy .pp-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 12px 0 0;
}

.page-privacy .pp-hero .lede {
  margin-top: 18px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 60ch;
}

.page-privacy .pp-glance {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--rock);
  border: 1px solid var(--rock);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-privacy .pp-glance li {
  background: var(--white);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-privacy .pp-glance__k {
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-privacy .pp-glance__v {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--mist);
}

/* ---------- 章节导览 ---------- */
.page-privacy .pp-toc {
  margin-top: 30px;
  padding-top: 14px;
  border-top: 1px solid var(--rock);
}

.page-privacy .pp-toc__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin: 0 0 10px;
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .pp-toc__list li {
  flex: 0 0 auto;
}

.page-privacy .pp-toc__link {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  padding: 8px 13px;
  border: 1px solid var(--rock);
  border-radius: 999px;
  color: var(--mist);
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease;
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--ink);
  border-color: var(--signal);
  background: var(--white);
}

.page-privacy .pp-toc__link:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* ---------- 正文骨与列 ---------- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-privacy .pp-body {
  position: relative;
  padding-left: var(--pp-gutter);
  max-width: 46rem;
}

.page-privacy .pp-spine {
  position: absolute;
  top: 6px;
  bottom: 6px;
  left: var(--pp-spine-x);
  width: 2px;
  height: auto;
  transform: translateX(-50%);
  stroke: var(--rock);
  pointer-events: none;
}

/* ---------- 章节 ---------- */
.page-privacy .pp-section {
  position: relative;
  padding: 34px 0 14px;
  scroll-margin-top: calc(var(--bar-h) + 28px);
}

.page-privacy .pp-section + .pp-section {
  border-top: 1px solid var(--rock);
}

.page-privacy .pp-section::before {
  content: "";
  position: absolute;
  top: 42px;
  left: calc(var(--pp-spine-x) - var(--pp-gutter));
  width: 9px;
  height: 9px;
  margin: 0;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--clay);
  transform: translateX(-50%);
  transition: background-color 240ms ease, border-color 240ms ease;
}

.page-privacy .pp-section:first-of-type {
  padding-top: 8px;
}

.page-privacy .pp-section:first-of-type::before {
  top: 16px;
}

.page-privacy .pp-section:target::before {
  background: var(--signal);
  border-color: var(--signal);
}

.page-privacy .pp-heading {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.3;
  color: var(--ink);
  margin: 0 0 14px;
  transition: color 240ms ease;
}

.page-privacy .pp-section:target .pp-heading {
  color: var(--signal);
}

.page-privacy .pp-take {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.75;
  color: var(--ink);
  margin: 0 0 16px;
  max-width: var(--pp-measure);
}

.page-privacy .pp-section p {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--graphite);
  margin: 0 0 14px;
  max-width: var(--pp-measure);
}

.page-privacy .pp-section p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-section a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
  transition: color 160ms ease;
}

.page-privacy .pp-section a:hover,
.page-privacy .pp-section a:focus-visible {
  color: var(--signal);
}

.page-privacy .pp-section a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
  border-radius: 2px;
}

.page-privacy .pp-num {
  font-family: var(--font-mono);
  font-size: 0.94em;
  font-weight: 500;
  background: var(--rock);
  color: var(--graphite);
  padding: 1px 7px;
  border-radius: 4px;
  white-space: nowrap;
}

/* ---------- 插图 ---------- */
.page-privacy .pp-figure {
  margin: 6px 0 22px;
}

.page-privacy .pp-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-m);
  border: 1px solid var(--rock);
  object-fit: cover;
  background: var(--rock);
}

.page-privacy .pp-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--mist);
}

/* ---------- 收尾 ---------- */
.page-privacy .pp-outro {
  margin-top: 46px;
  padding-top: 26px;
  border-top: 2px solid var(--ink);
}

.page-privacy .pp-outro__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  color: var(--ink);
  margin: 0 0 16px;
}

.page-privacy .pp-outro__list {
  list-style: none;
  margin: 0 0 24px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--rock);
  border-radius: var(--radius-s);
  overflow: hidden;
}

.page-privacy .pp-outro__list li {
  background: var(--white);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-privacy .pp-outro__list a {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--signal);
  align-self: flex-start;
  padding-bottom: 1px;
  transition: color 160ms ease;
}

.page-privacy .pp-outro__list a:hover,
.page-privacy .pp-outro__list a:focus-visible {
  color: var(--signal);
}

.page-privacy .pp-outro__list a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
}

.page-privacy .pp-outro__list span {
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-glance {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pp-body {
    --pp-gutter: 34px;
    --pp-spine-x: 11px;
  }

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

@media (min-width: 980px) {
  .page-privacy {
    padding-bottom: 96px;
  }

  .page-privacy .pp-hero {
    padding-top: calc(var(--bar-h) + 56px);
    padding-bottom: 54px;
  }

  .page-privacy .pp-layout {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 58px;
    align-items: start;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    margin-top: 8px;
    padding: 0 0 0 18px;
    border-top: 0;
    border-left: 1px solid var(--rock);
  }

  .page-privacy .pp-toc__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pp-toc__list li + li {
    margin-top: 2px;
  }

  .page-privacy .pp-toc__link {
    display: flex;
    align-items: center;
    gap: 9px;
    white-space: normal;
    padding: 7px 0;
    border: 0;
    border-radius: 0;
    font-size: 13px;
    line-height: 1.5;
  }

  .page-privacy .pp-toc__link::before {
    content: "";
    flex: 0 0 auto;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--rock);
    transition: background-color 160ms ease, transform 160ms ease;
  }

  .page-privacy .pp-toc__link:hover,
  .page-privacy .pp-toc__link:focus-visible {
    background: transparent;
  }

  .page-privacy .pp-toc__link:hover::before,
  .page-privacy .pp-toc__link:focus-visible::before {
    background: var(--signal);
    transform: scale(1.35);
  }

  .page-privacy .pp-section {
    padding: 40px 0 20px;
  }

  .page-privacy .pp-section::before {
    top: 48px;
  }

  .page-privacy .pp-section:first-of-type::before {
    top: 18px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .pp-glance {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-section::before,
  .page-privacy .pp-heading,
  .page-privacy .pp-outro__list a {
    transition: none;
  }
}