.page-privacy{
  --pv-rail: 268px;
  --pv-top: 100px;
  position: relative;
  overflow-x: clip;
  padding-bottom: var(--sec);
  background: var(--bg);
  color: var(--text-body);
}

.page-privacy::before{
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(90,102,143,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90,102,143,.13) 1px, transparent 1px);
  background-size: 84px 84px;
  -webkit-mask-image: linear-gradient(180deg, #000 0, rgba(0,0,0,.32) 42%, transparent 78%);
  mask-image: linear-gradient(180deg, #000 0, rgba(0,0,0,.32) 42%, transparent 78%);
}

.page-privacy::after{
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 520px;
  height: 380px;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(60% 60% at 70% 40%, rgba(43,240,208,.12), transparent 70%);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero{
  position: relative;
  z-index: 1;
  padding-top: clamp(22px, 4vw, 46px);
  padding-bottom: clamp(28px, 4.4vw, 52px);
}

.page-privacy .pv-hero .breadcrumb{
  margin-bottom: clamp(20px, 3.2vw, 34px);
}

.page-privacy .pv-hero__kicker{
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pv-hero__kicker::before{
  content: "";
  width: 8px;
  height: 8px;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(43,240,208,.14);
}

.page-privacy .pv-hero__title{
  margin: 0 0 20px;
  max-width: 24ch;
  font-family: var(--font-sans);
  font-weight: 200;
  font-size: clamp(31px, 6vw, 72px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--ivory);
}

.page-privacy .pv-hero__lede{
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 2;
  color: var(--text-body);
}

.page-privacy .pv-shot{
  margin: clamp(26px, 3.6vw, 44px) 0 0;
}

.page-privacy .pv-shot__img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--surface);
}

/* ---------- 章节导航 ---------- */

.page-privacy .pv-toc{
  position: relative;
  z-index: 2;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: rgba(20,28,75,.55);
}

.page-privacy .pv-toc__inner{
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .pv-toc__label{
  flex: 0 0 auto;
  margin-right: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--text-mute);
}

.page-privacy .pv-toc__link{
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(10,16,48,.5);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .pv-toc__num{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible{
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(43,240,208,.09);
}

.page-privacy .pv-toc__link:focus-visible,
.page-privacy .pv-rail__top:focus-visible,
.page-privacy .link-arrow:focus-visible{
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* ---------- 主体布局 ---------- */

.page-privacy .pv-layout{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
  padding-top: clamp(28px, 4.6vw, 58px);
}

.page-privacy .pv-main{
  min-width: 0;
}

.page-privacy .pv-rail{
  min-width: 0;
}

.page-privacy .pv-rail__sticky{
  display: grid;
  gap: 18px;
  justify-items: stretch;
}

/* ---------- 分节 ---------- */

.page-privacy .pv-section{
  padding: clamp(26px, 3.4vw, 42px) 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-section:first-of-type{
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pv-section__head{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.page-privacy .pv-section__index{
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--ink-900);
  background: var(--cyan);
  padding: 3px 9px;
}

.page-privacy .pv-section__label{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--text-dim);
  border: 1px solid var(--line);
  padding: 3px 9px;
}

.page-privacy .pv-section__title{
  flex: 1 0 100%;
  margin: 6px 0 0;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(22px, 2.6vw, 32px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ivory);
}

.page-privacy .pv-section__body > p{
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: clamp(15px, 1.06vw, 16.5px);
  line-height: 2;
  color: var(--text-body);
}

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

.page-privacy .link-arrow{
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43,240,208,.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .link-arrow:hover{
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 信息条目 ---------- */

.page-privacy .pv-rows{
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-row{
  display: grid;
  grid-template-columns: minmax(108px, 168px) minmax(0, 1fr);
  gap: 6px 20px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.8;
}

.page-privacy .pv-row__key{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-privacy .pv-row__val{
  color: var(--text-body);
}

/* ---------- 右侧术语栏 ---------- */

.page-privacy .pv-rail__title{
  margin: 0;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--text-mute);
}

.page-privacy .pv-terms{
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-term{
  padding: 10px 12px;
  border-left: 2px solid transparent;
  background: rgba(20,28,75,.42);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-term:hover,
.page-privacy .pv-term:focus-within{
  border-left-color: var(--cyan);
  background: rgba(43,240,208,.07);
}

.page-privacy .pv-term__key{
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ivory);
}

.page-privacy .pv-term__val{
  margin: 5px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--text-mute);
}

.page-privacy .pv-rail__top{
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--text-dim);
  text-decoration: none;
  border: 1px solid var(--line);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .pv-rail__top:hover{
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(43,240,208,.08);
}

/* ---------- 结尾提示 ---------- */

.page-privacy .pv-outro{
  margin-top: clamp(28px, 3.8vw, 48px);
  padding: clamp(20px, 3vw, 30px);
}

.page-privacy .pv-outro p{
  margin: 9px 0 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-body);
}

.page-privacy .pv-outro__links{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 620px){
  .page-privacy .pv-row{
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-privacy .pv-row__key{
    padding-top: 0;
  }

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

@media (min-width: 1024px){
  .page-privacy .pv-layout{
    grid-template-columns: minmax(0, 1fr) var(--pv-rail);
    align-items: start;
  }

  .page-privacy .pv-rail__sticky{
    position: sticky;
    top: var(--pv-top);
  }
}

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