.page-privacy {
  --pv-accent: var(--neon);
  --pv-rule: var(--grid);
  --pv-body-width: 72ch;
  padding-bottom: clamp(3rem, 8vw, 6rem);
  background: var(--ink);
}

/* ---------- 顶部氛围图 ---------- */

.page-privacy .pv-banner {
  position: relative;
  margin: 0;
  height: clamp(190px, 36vw, 380px);
  overflow: hidden;
  border-bottom: 1px solid var(--pv-rule);
  background:
    radial-gradient(120% 140% at 12% 8%, rgba(47, 125, 255, .22), transparent 58%),
    radial-gradient(110% 130% at 88% 92%, rgba(53, 240, 160, .16), transparent 60%),
    var(--panel-deep);
}

.page-privacy .pv-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: .62;
  mix-blend-mode: luminosity;
}

.page-privacy .pv-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 14, 20, .35) 0%, rgba(10, 14, 20, .88) 100%);
  pointer-events: none;
}

.page-privacy .pv-banner figcaption {
  position: absolute;
  left: var(--gutter);
  bottom: 1rem;
  z-index: 1;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .06em;
  color: var(--ice);
  opacity: .85;
}

/* ---------- 面包屑与页头 ---------- */

.page-privacy .breadcrumbs {
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-privacy .pv-head {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  max-width: 62ch;
}

.page-privacy .pv-kicker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .6rem;
  margin: 0 0 1rem;
  font-family: var(--mono);
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-kicker .num {
  color: var(--blue);
}

.page-privacy .pv-kicker-sep {
  color: var(--grid);
}

.page-privacy .pv-head h1 {
  margin: 0;
  font-size: clamp(1.9rem, 5.2vw, 3.2rem);
  line-height: 1.18;
  font-weight: 700;
  letter-spacing: -.025em;
  color: var(--text);
}

.page-privacy .pv-lead {
  margin: 1.1rem 0 0;
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.78;
  color: var(--ice);
}

/* ---------- 章节索引条 ---------- */

.page-privacy .pv-toc {
  position: sticky;
  top: var(--header-h);
  z-index: 15;
  margin: clamp(1.75rem, 4vw, 2.75rem) calc(var(--gutter) * -1) clamp(1.75rem, 4vw, 2.5rem);
  background: rgba(13, 19, 28, .94);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--pv-rule);
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .pv-toc-inner {
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-privacy .pv-toc-list {
  display: flex;
  gap: .35rem;
  margin: 0;
  padding: .7rem 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pv-toc-list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pv-toc-list .index-link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  flex: 0 0 auto;
  padding: .45rem .85rem;
  border: 1px solid var(--grid);
  border-radius: var(--radius-pill);
  font-size: .8125rem;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-privacy .pv-toc-list .index-link .num {
  font-size: .7rem;
  color: var(--blue);
  transition: color .18s var(--ease);
}

.page-privacy .pv-toc-list .index-link:hover,
.page-privacy .pv-toc-list .index-link:focus-visible {
  color: var(--text);
  border-color: var(--neon);
}

.page-privacy .pv-toc-list .index-link[aria-current="true"] {
  color: var(--ink);
  background: var(--neon);
  border-color: var(--neon);
}

.page-privacy .pv-toc-list .index-link[aria-current="true"] .num {
  color: var(--blue-deep);
}

/* ---------- 条款分块 ---------- */

.page-privacy .pv-flow {
  display: block;
}

.page-privacy .pv-clause {
  display: grid;
  grid-template-columns: 1fr;
  gap: .65rem;
  padding: clamp(1.75rem, 4.5vw, 2.75rem) 0;
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: calc(var(--header-h) + 78px);
}

.page-privacy .pv-clause:first-child {
  border-top: none;
  padding-top: clamp(.5rem, 2vw, 1rem);
}

.page-privacy .pv-clause-index .num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--blue);
  line-height: 1;
}

.page-privacy .pv-clause-body {
  max-width: var(--pv-body-width);
}

.page-privacy .pv-clause-body h2 {
  margin: 0 0 .9rem;
  font-size: clamp(1.3rem, 2.8vw, 1.75rem);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -.018em;
  color: var(--text);
}

.page-privacy .pv-clause-body > p {
  margin: 0 0 .95rem;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .pv-clause-body > p:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-clause-body a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
  padding-bottom: 1px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pv-clause-body a:hover,
.page-privacy .pv-clause-body a:focus-visible {
  color: var(--neon);
  border-color: var(--neon);
}

/* ---------- 条目列表 ---------- */

.page-privacy .pv-facts {
  display: grid;
  gap: .7rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-facts > li {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  column-gap: .9rem;
  padding: .95rem 1.05rem;
  background: var(--panel);
  border-left: 2px solid var(--blue);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: border-left-color .18s var(--ease), transform .18s var(--ease);
}

.page-privacy .pv-facts > li:hover {
  border-left-color: var(--neon);
  transform: translateX(2px);
}

.page-privacy .pv-fact-mark {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--blue);
  padding-top: .18rem;
}

.page-privacy .pv-facts--plain > li {
  background: transparent;
  border-left-color: var(--grid);
  border-radius: 0;
  padding: .85rem 0 .85rem 1.05rem;
}

.page-privacy .pv-facts--plain > li:hover {
  border-left-color: var(--neon);
}

.page-privacy .pv-facts li h3 {
  grid-column: 2;
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-privacy .pv-facts li p {
  grid-column: 2;
  margin: .38rem 0 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 折叠说明 ---------- */

.page-privacy .pv-more {
  margin-top: 1.35rem;
  border-top: 1px solid var(--pv-rule);
  border-bottom: 1px solid var(--pv-rule);
}

.page-privacy .pv-more > summary {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .85rem 0;
  cursor: pointer;
  list-style: none;
  font-size: .875rem;
  font-weight: 600;
  color: var(--ice);
  transition: color .18s var(--ease);
}

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

.page-privacy .pv-more > summary::before {
  content: "+";
  font-family: var(--mono);
  font-size: .95rem;
  color: var(--neon);
  line-height: 1;
}

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

.page-privacy .pv-more > summary:hover,
.page-privacy .pv-more > summary:focus-visible {
  color: var(--neon);
}

.page-privacy .pv-more > p {
  margin: 0 0 1rem;
  padding-left: 1rem;
  border-left: 2px solid var(--neon);
  font-size: .9375rem;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 强调说明 ---------- */

.page-privacy .pv-emph {
  position: relative;
  margin: 1.4rem 0 0;
  padding: .2rem 0 .2rem 1.1rem;
  border-left: 2px solid var(--neon);
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ice);
}

.page-privacy .pv-note {
  margin-top: 1.3rem;
  padding: 1rem 1.15rem;
  background: linear-gradient(135deg, rgba(47, 125, 255, .12), rgba(19, 26, 36, .9) 70%);
  border: 1px solid var(--grid);
  border-radius: var(--radius-md);
}

.page-privacy .pv-note p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ice);
}

/* ---------- 联系方式 ---------- */

.page-privacy .pv-contact {
  display: grid;
  gap: .55rem;
  margin: 1.3rem 0 1.35rem;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-contact .contact-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: .2rem;
  padding: .85rem 1rem;
  background: var(--panel);
  border-left: 2px solid var(--grid);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  transition: border-left-color .18s var(--ease);
}

.page-privacy .pv-contact .contact-item:hover {
  border-left-color: var(--neon);
}

.page-privacy .pv-contact .contact-label {
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-contact .contact-value {
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text);
  word-break: break-word;
}

.page-privacy .pv-contact .contact-value--mono {
  font-family: var(--mono);
  letter-spacing: .02em;
  color: var(--neon);
}

/* ---------- 响应式 ---------- */

@media (min-width: 760px) {
  .page-privacy .pv-clause {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    column-gap: clamp(1.25rem, 3vw, 2.5rem);
    gap: 0;
  }

  .page-privacy .pv-clause-index {
    padding-top: .3rem;
    border-right: 1px solid var(--pv-rule);
    padding-right: .9rem;
  }

  .page-privacy .pv-clause-index .num {
    font-size: 1.5rem;
  }

  .page-privacy .pv-banner figcaption {
    left: calc((100vw - var(--shell-w)) / 2);
    left: max(var(--gutter), calc((100vw - var(--shell-w)) / 2));
  }
}

@media (min-width: 1080px) {
  .page-privacy .pv-clause {
    grid-template-columns: 6.5rem minmax(0, 1fr);
  }

  .page-privacy .pv-head {
    max-width: 58ch;
  }
}

@media (max-width: 420px) {
  .page-privacy .pv-toc {
    margin-inline: calc(var(--gutter) * -1);
  }

  .page-privacy .pv-facts > li {
    grid-template-columns: 1.6rem minmax(0, 1fr);
    column-gap: .65rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-facts > li,
  .page-privacy .pv-toc-list .index-link,
  .page-privacy .pv-more > summary {
    transition: none;
  }

  .page-privacy .pv-facts > li:hover {
    transform: none;
  }
}

@media print {
  .page-privacy .pv-toc,
  .page-privacy .pv-banner,
  .page-privacy .breadcrumbs {
    display: none;
  }

  .page-privacy .pv-clause {
    break-inside: avoid;
    border-top-color: #ccc;
  }

  .page-privacy .pv-clause-body > p,
  .page-privacy .pv-facts li p,
  .page-privacy .pv-contact .contact-value {
    color: #222;
  }
}