/* ===== 隐私声明 · 页面专属样式（作用域 .page-privacy） ===== */
.page-privacy{
  --pv-num: 64px;
  --pv-aside: 224px;
  --pv-gap: clamp(18px, 3vw, 44px);
  --pv-measure: 620px;
  --pv-hair: rgba(244, 239, 227, .15);
  --pv-text: rgba(244, 239, 227, .82);
  --pv-anchor-offset: calc(var(--bar-h) + 90px);
  display: block;
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 标题区 ---------- */
.page-privacy .pv-head{
  padding-top: clamp(88px, 14vh, 148px);
  padding-bottom: clamp(20px, 3vw, 34px);
}

.page-privacy .pv-head__title{
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 5.4vw, 58px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--white);
  max-width: 20ch;
}

.page-privacy .pv-head__lede{
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--pv-text);
}

.page-privacy .pv-stamp{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: 18px;
  border-top: 1px solid var(--pv-hair);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--muted);
}

.page-privacy .pv-stamp__badge{
  padding: 5px 12px;
  border: 1px solid var(--orange);
  color: var(--orange-light);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-privacy .pv-stamp__item{
  position: relative;
  padding-left: 14px;
}

.page-privacy .pv-stamp__item::before{
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: 6px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .pv-banner{
  margin: clamp(26px, 4vw, 46px) auto 0;
}

.page-privacy .pv-banner img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

/* ---------- 章节胶囊导航 ---------- */
.page-privacy .pv-caps.chapter-index{
  position: sticky;
  inset: auto;
  top: calc(var(--bar-h) + 10px);
  left: auto;
  right: auto;
  bottom: auto;
  width: auto;
  height: auto;
  display: block;
  transform: none;
  background: transparent;
  border: 0;
  margin: clamp(20px, 3vw, 32px) auto 0;
  padding: 10px 0 4px;
  z-index: 12;
  max-width: var(--maxw);
}

.page-privacy .pv-caps__list{
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 2px 0 10px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pv-caps__link.chapter-index__link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(16, 26, 51, .9);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.2;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-privacy .pv-caps__link.chapter-index__link .mono{
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: .04em;
}

.page-privacy .pv-caps__link.chapter-index__link:hover,
.page-privacy .pv-caps__link.chapter-index__link:focus-visible,
.page-privacy .pv-caps__link.chapter-index__link[aria-current="true"]{
  color: var(--white);
  border-color: var(--orange);
  background: rgba(255, 106, 26, .14);
}

/* ---------- 长文正文 ---------- */
.page-privacy .pv-body{
  padding-top: clamp(26px, 4vw, 48px);
}

.page-privacy .pv-article{
  display: block;
  max-width: calc(var(--pv-num) + var(--pv-measure) + var(--pv-aside) + var(--pv-gap) * 2);
}

.page-privacy .pv-sec{
  display: grid;
  grid-template-columns: var(--pv-num) minmax(0, var(--pv-measure)) var(--pv-aside);
  column-gap: var(--pv-gap);
  padding: clamp(30px, 4.5vw, 54px) 0;
  border-top: 1px solid var(--pv-hair);
  scroll-margin-top: var(--pv-anchor-offset);
}

.page-privacy .pv-sec:first-child{
  border-top: 0;
  padding-top: clamp(12px, 2vw, 22px);
}

.page-privacy .pv-sec__num{
  grid-column: 1;
  margin: .55em 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-privacy .pv-sec__main{
  grid-column: 2;
  min-width: 0;
}

.page-privacy .pv-sec__title{
  margin: 0 0 .8em;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(21px, 2.5vw, 29px);
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--white);
}

.page-privacy .pv-sec__main p{
  margin: 0 0 1.05em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--pv-text);
}

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

.page-privacy .pv-list{
  margin: 0 0 1.2em;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li{
  position: relative;
  padding-left: 22px;
  margin-bottom: .95em;
  font-size: 16.5px;
  line-height: 1.82;
  color: var(--pv-text);
}

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

.page-privacy .pv-list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .75em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .pv-list--orange li::before{
  background: var(--orange);
}

.page-privacy .pv-k{
  color: var(--white);
  font-weight: 600;
}

/* ---------- 旁注 ---------- */
.page-privacy .pv-note{
  grid-column: 3;
  align-self: start;
  margin-top: .5em;
  padding-left: 18px;
  border-left: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-privacy .pv-note a{
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系方式卡片 ---------- */
.page-privacy .pv-contact{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(16px, 2.5vw, 34px);
  margin: 6px 0 1.4em;
  padding: clamp(22px, 3.4vw, 36px);
  border-top: 2px solid var(--orange);
  color: var(--ink-900);
}

.page-privacy .pv-contact__label{
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: #5b6273;
}

.page-privacy .pv-contact__value{
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
  word-break: break-word;
}

.page-privacy .pv-contact__value a{
  color: var(--ink-900);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page-privacy .pv-contact__hint{
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #4a5265;
}

/* ---------- 返回顶部 ---------- */
.page-privacy .pv-top{
  position: fixed;
  right: clamp(14px, 2.5vw, 28px);
  bottom: clamp(14px, 2.5vw, 28px);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  text-decoration: none;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}

.page-privacy .pv-top:hover,
.page-privacy .pv-top:focus-visible{
  border-color: var(--orange);
  background: rgba(255, 106, 26, .16);
  color: var(--white);
}

/* ---------- 平板与窄屏 ---------- */
@media (max-width: 1023px){
  .page-privacy{
    --pv-num: 100%;
    --pv-aside: 100%;
  }

  .page-privacy .pv-article{
    max-width: none;
  }

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

  .page-privacy .pv-sec__num,
  .page-privacy .pv-sec__main,
  .page-privacy .pv-note{
    grid-column: 1;
  }

  .page-privacy .pv-sec__num{
    margin-top: 0;
    font-size: 12px;
  }

  .page-privacy .pv-note{
    margin-top: 6px;
    padding-left: 0;
    padding-top: 14px;
    border-left: 0;
    border-top: 1px dashed var(--line);
    max-width: 62ch;
  }

  .page-privacy .pv-contact{
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px){
  .page-privacy .pv-head{
    padding-top: clamp(76px, 16vh, 110px);
  }

  .page-privacy .pv-head__title{
    max-width: none;
  }

  .page-privacy .pv-caps.chapter-index{
    top: calc(var(--bar-h) + 4px);
  }

  .page-privacy .pv-sec{
    padding: 26px 0;
  }

  .page-privacy .pv-sec__main p,
  .page-privacy .pv-list li{
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-privacy .pv-caps__link.chapter-index__link,
  .page-privacy .pv-top{
    transition: none;
  }
}