.page-privacy {
  --pp-measure: 68ch;
  --pp-gap: 24px;
  --pp-num-w: 40px;
  display: block;
  background: var(--ink-900);
  color: var(--text);
}

/* ---------- 页头 ---------- */

.page-privacy .pp-masthead {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid var(--line);
  background: var(--ink-800);
}

.page-privacy .pp-masthead-img {
  display: block;
  width: 100%;
  height: clamp(200px, 32vh, 380px);
  object-fit: cover;
  opacity: .5;
  filter: saturate(.75) contrast(1.05);
}

.page-privacy .pp-masthead-trace {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .1;
  pointer-events: none;
  z-index: 1;
}

.page-privacy .pp-masthead-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(6, 12, 24, .74) 0%, rgba(6, 12, 24, .9) 58%, var(--ink-900) 100%);
  pointer-events: none;
}

.page-privacy .pp-masthead-inner {
  position: relative;
  z-index: 2;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(2.25rem, 6vh, 4rem) var(--pad-x) clamp(2rem, 5vh, 3.25rem);
}

.page-privacy .pp-masthead-inner > * {
  max-width: 58ch;
}

/* 面包屑（复用共享类，仅做页内微调） */

.page-privacy .pp-masthead-inner .breadcrumbs {
  margin: 0 0 1.5rem;
}

.page-privacy .crumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .8rem;
  line-height: 1.5;
  color: var(--muted);
}

.page-privacy .crumbs-list li + li::before {
  content: "/";
  margin-right: .35rem;
  color: var(--line);
}

.page-privacy .crumbs-list a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .crumbs-list a:hover,
.page-privacy .crumbs-list a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .crumbs-current {
  color: var(--text);
}

.page-privacy .pp-kicker {
  margin: 0 0 1rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .28em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-privacy .pp-title {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 5.4vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-privacy .pp-lede {
  margin: 0 0 1.6rem;
  font-size: clamp(1rem, 1.3vw, 1.1rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .pp-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem .6rem;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-privacy .pp-ver {
  color: var(--gold);
  border: 1px solid rgba(233, 185, 73, .45);
  padding: .12rem .5rem;
  border-radius: 2px;
}

.page-privacy .pp-dot {
  color: var(--line);
}

/* ---------- 主体两栏 ---------- */

.page-privacy .pp-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vh, 4.5rem) var(--pad-x) clamp(4rem, 9vh, 7rem);
}

/* ---------- 侧栏目录 ---------- */

.page-privacy .pp-side {
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}

.page-privacy .pp-side-title {
  margin: 0 0 .85rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .28em;
  color: var(--muted);
}

.page-privacy .pp-index-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .25rem .9rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-privacy .pp-index-link {
  display: flex;
  align-items: baseline;
  gap: .45rem;
  padding: .3rem 0;
  font-size: .82rem;
  line-height: 1.45;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pp-index-link:hover,
.page-privacy .pp-index-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .pp-index-n {
  flex: none;
  font-family: var(--font-mono);
  font-size: .7rem;
  color: var(--ember);
}

.page-privacy .pp-progress {
  width: 2px;
  height: 120px;
  margin-top: 1.4rem;
  background: var(--line);
  overflow: hidden;
}

.page-privacy .pp-progress-fill {
  display: block;
  width: 100%;
  height: 0;
  background: var(--cyan);
  transition: height .12s linear, width .12s linear;
}

/* ---------- 正文条款 ---------- */

.page-privacy .pp-doc {
  min-width: 0;
}

.page-privacy .pp-sec {
  display: grid;
  grid-template-columns: var(--pp-num-w) minmax(0, 1fr);
  column-gap: var(--pp-gap);
  row-gap: .3rem;
  padding-top: clamp(1.9rem, 4vh, 2.75rem);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 2rem);
}

.page-privacy .pp-sec + .pp-sec {
  margin-top: clamp(2rem, 5vh, 3.25rem);
}

.page-privacy .pp-sec-num {
  grid-column: 1;
  margin: 0;
  padding-top: .22em;
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: .06em;
  color: var(--ember);
}

.page-privacy .pp-sec-title {
  grid-column: 2;
  margin: 0 0 .7rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.22rem, 2.4vw, 1.65rem);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-privacy .pp-sec-body {
  grid-column: 2;
  min-width: 0;
}

.page-privacy .pp-sub {
  margin: 1.5rem 0 .55rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-privacy .pp-p {
  margin: 0 0 1rem;
  font-size: clamp(.95rem, 1.02vw, 1.04rem);
  line-height: 1.85;
  color: var(--text);
}

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

.page-privacy .pp-list {
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}

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

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 1.3rem;
  margin-bottom: .7rem;
  font-size: clamp(.94rem, 1vw, 1.02rem);
  line-height: 1.8;
  color: var(--text);
}

.page-privacy .pp-list > li:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .85em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

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

.page-privacy .pp-rows {
  margin: 0 0 1.1rem;
  border-top: 1px solid var(--line);
}

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

.page-privacy .pp-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .2rem;
  padding: .75rem 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-row dt {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-privacy .pp-row dd {
  margin: 0;
  font-size: clamp(.93rem, 1vw, 1.01rem);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 术语释义 ---------- */

.page-privacy .pp-term {
  position: relative;
  cursor: help;
  border-bottom: 1px solid var(--cyan-deep);
  outline-offset: 3px;
}

.page-privacy .pp-term-note {
  position: absolute;
  top: calc(100% + .5rem);
  left: 0;
  z-index: 6;
  width: max-content;
  max-width: min(260px, 68vw);
  padding: .55rem .7rem;
  background: var(--ink-700);
  border: 1px solid var(--cyan);
  border-radius: 2px;
  font-family: var(--font-body);
  font-style: normal;
  font-size: .78rem;
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0;
  color: var(--text);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
  pointer-events: none;
}

.page-privacy .pp-term:hover .pp-term-note,
.page-privacy .pp-term:focus-visible .pp-term-note {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 行内链接 ---------- */

.page-privacy .pp-link {
  color: var(--cyan);
  text-decoration: none;
  background-image: linear-gradient(var(--ember), var(--ember));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  padding-bottom: 1px;
  transition: background-size .2s var(--ease), color .2s var(--ease);
}

.page-privacy .pp-link:hover,
.page-privacy .pp-link:focus-visible {
  color: var(--cyan);
  background-image: linear-gradient(var(--ember), var(--cyan));
  background-size: 100% 1px;
}

/* ---------- 断点 ---------- */

@media (max-width: 479px) {
  .page-privacy {
    --pp-num-w: 30px;
  }

  .page-privacy .pp-index-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 640px) {
  .page-privacy .pp-row {
    grid-template-columns: 13rem minmax(0, 1fr);
    gap: 1.1rem;
    align-items: baseline;
  }

  .page-privacy .pp-row dt {
    padding-top: .12rem;
  }
}

@media (min-width: 700px) and (max-width: 1023px) {
  .page-privacy .pp-index-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-privacy .pp-shell {
    grid-template-columns: minmax(0, 1fr) 190px;
    column-gap: clamp(2rem, 6vw, 6rem);
  }

  .page-privacy .pp-doc {
    grid-column: 1;
    grid-row: 1;
    max-width: var(--pp-measure);
  }

  .page-privacy .pp-side {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    border-top: 0;
    padding-top: 0;
    max-height: calc(100vh - var(--header-h) - 4rem);
    overflow-y: auto;
  }

  .page-privacy .pp-index-list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-privacy .pp-side-title {
    border-bottom: 1px solid var(--line);
    padding-bottom: .6rem;
  }
}

@media (min-width: 1400px) {
  .page-privacy .pp-shell {
    padding-left: calc(var(--rail-w) + var(--pad-x));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-link,
  .page-privacy .pp-term-note,
  .page-privacy .pp-index-link,
  .page-privacy .crumbs-list a,
  .page-privacy .pp-progress-fill {
    transition: none;
  }

  .page-privacy .pp-link:hover,
  .page-privacy .pp-link:focus-visible {
    background-size: 100% 1px;
  }
}