/* ===== 隐私政策 · 页面专属样式（作用域 .page-privacy） ===== */
.page-privacy{
  --pp-ink: #14211B;
  --pp-ink-soft: #4B5B54;
  --pp-rule: rgba(5, 16, 11, .12);
  --pp-tint: rgba(52, 217, 139, .16);
  background: var(--paper-000);
  color: var(--pp-ink);
  font-family: var(--font-body);
  font-size: var(--fs-300);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

/* ---------- 首屏：深色条款封面 ---------- */
.page-privacy .privacy-masthead{
  position: relative;
  overflow: hidden;
  padding: clamp(104px, 16vw, 172px) 0 clamp(36px, 6vw, 64px);
  background:
    radial-gradient(120% 92% at 86% 4%, rgba(52, 217, 139, .22) 0%, rgba(52, 217, 139, 0) 60%),
    linear-gradient(166deg, var(--night-900) 0%, var(--turf-800) 100%);
  color: var(--silver-100);
}
.page-privacy .privacy-masthead::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(185, 199, 192, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(185, 199, 192, .08) 1px, transparent 1px);
  background-size: 58px 58px;
  -webkit-mask-image: radial-gradient(130% 108% at 18% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(130% 108% at 18% 0%, #000 0%, transparent 74%);
  pointer-events: none;
}
.page-privacy .privacy-masthead::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--volt-500) 0%, var(--neon-450) 42%, rgba(52, 217, 139, 0) 100%);
}
.page-privacy .privacy-masthead > .container{
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumb{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55em;
  margin: 0 0 clamp(20px, 4vw, 34px);
  font-size: var(--fs-100);
  letter-spacing: .1em;
  color: var(--silver-300);
}
.page-privacy .breadcrumb a{
  color: var(--silver-100);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible{
  color: var(--neon-450);
  border-bottom-color: var(--neon-450);
}
.page-privacy .breadcrumb .crumb-sep{
  color: rgba(185, 199, 192, .6);
}
.page-privacy .breadcrumb [aria-current="page"]{
  color: var(--neon-450);
}

.page-privacy .kicker{
  display: inline-flex;
  align-items: center;
  gap: .7em;
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--neon-450);
}
.page-privacy .kicker::before{
  content: "";
  width: 26px;
  height: 2px;
  background: var(--volt-500);
}

.page-privacy .display-title{
  max-width: 14ch;
  margin: 0 0 clamp(18px, 3vw, 26px);
  font-size: clamp(2.6rem, 11vw, 5.5rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -.02em;
  color: #fff;
}

.page-privacy .lede{
  max-width: 48ch;
  margin: 0 0 clamp(30px, 5vw, 46px);
  font-size: clamp(1rem, 2.4vw, 1.125rem);
  line-height: 1.88;
  color: rgba(232, 240, 236, .88);
}

.page-privacy .privacy-meta{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(168px, 1fr));
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid rgba(185, 199, 192, .22);
  border-radius: var(--radius-md);
  background: rgba(185, 199, 192, .22);
  overflow: hidden;
}
.page-privacy .privacy-meta li{
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: rgba(5, 16, 11, .58);
}
.page-privacy .meta-label{
  font-size: var(--fs-100);
  letter-spacing: .14em;
  color: var(--silver-300);
}
.page-privacy .meta-value{
  font-size: var(--fs-200);
  font-weight: 600;
  color: var(--silver-100);
}
.page-privacy .meta-value.numeric{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .01em;
}

/* ---------- 顶部通栏视觉 ---------- */
.page-privacy .privacy-hero{
  margin: 0;
  line-height: 0;
  background: var(--night-900);
}
.page-privacy .privacy-hero img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1400 / 500;
  object-fit: cover;
}

/* ---------- 正文骨架：粘性目录 + 单列窄栏 ---------- */
.page-privacy .privacy-layout{
  display: grid;
  gap: clamp(30px, 5vw, 56px);
  padding: clamp(44px, 7vw, 84px) 0 clamp(72px, 10vw, 132px);
}

.page-privacy .privacy-side{
  min-width: 0;
}

.page-privacy .privacy-toc{
  padding: 18px 14px;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: 0 10px 24px rgba(5, 16, 11, .05);
}
.page-privacy .toc-title{
  margin: 0 0 12px;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  letter-spacing: .22em;
  color: var(--turf-600);
}
.page-privacy .privacy-toc ol{
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy .privacy-toc a{
  display: flex;
  align-items: baseline;
  gap: .65em;
  padding: 8px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--turf-800);
  font-size: var(--fs-200);
  text-decoration: none;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible{
  background: var(--pp-tint);
  border-left-color: var(--volt-500);
  color: var(--night-900);
}
.page-privacy .toc-num{
  font-family: var(--font-mono);
  font-size: var(--fs-100);
  font-variant-numeric: tabular-nums;
  color: var(--turf-600);
}

.page-privacy .privacy-doc{
  min-width: 0;
  max-width: 46rem;
}

.page-privacy .privacy-section{
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--pp-rule);
}
.page-privacy .privacy-section:first-child{
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-privacy .privacy-h2{
  display: flex;
  align-items: baseline;
  gap: .7em;
  margin: 0 0 clamp(14px, 2.4vw, 20px);
  font-size: clamp(1.25rem, 3.6vw, 1.625rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--night-900);
}
.page-privacy .sec-num{
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-200);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
  color: var(--volt-600);
}

.page-privacy .privacy-doc p{
  margin: 0 0 1.1em;
  color: var(--pp-ink);
  font-size: var(--fs-300);
  line-height: 1.88;
}
.page-privacy .privacy-doc p:last-child{
  margin-bottom: 0;
}
.page-privacy .privacy-doc a{
  color: var(--turf-600);
  text-decoration: none;
  border-bottom: 1px solid rgba(16, 88, 58, .35);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-privacy .privacy-doc a:hover,
.page-privacy .privacy-doc a:focus-visible{
  color: var(--volt-600);
  border-bottom-color: var(--volt-600);
}

.page-privacy .privacy-doc ul{
  margin: 0 0 1.2em;
  padding: 0;
  list-style: none;
}
.page-privacy .privacy-doc li{
  position: relative;
  margin-bottom: .75em;
  padding-left: 1.5em;
  color: var(--pp-ink);
  font-size: var(--fs-300);
  line-height: 1.88;
}
.page-privacy .privacy-doc li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--neon-450);
}
.page-privacy .privacy-doc li strong{
  color: var(--turf-800);
  font-weight: 700;
}

/* 分类条目 */
.page-privacy .info-item{
  margin: 0 0 1.4em;
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--turf-600);
}
.page-privacy .info-item h3{
  margin: 0 0 .35em;
  font-size: var(--fs-300);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--turf-800);
}
.page-privacy .info-item p{
  margin: 0;
  color: var(--pp-ink-soft);
}

/* 术语标注 */
.page-privacy .term{
  position: relative;
  padding: 0 .2em;
  border-radius: 4px;
  background: var(--pp-tint);
  border-bottom: 1px dashed rgba(16, 88, 58, .5);
  cursor: help;
  outline-offset: 3px;
}
.page-privacy .term::after{
  content: attr(data-def);
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 8;
  width: max-content;
  max-width: min(280px, 74vw);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--night-900);
  color: var(--silver-100);
  font-size: var(--fs-100);
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s;
  pointer-events: none;
}
.page-privacy .term:hover::after,
.page-privacy .term:focus-visible::after{
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px){
  .page-privacy .privacy-toc{
    padding: 20px 16px;
  }
  .page-privacy .privacy-doc li{
    margin-bottom: .8em;
  }
}

@media (min-width: 900px){
  .page-privacy .privacy-layout{
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }
  .page-privacy .privacy-side{
    position: sticky;
    top: 108px;
  }
  .page-privacy .privacy-hero img{
    max-height: 420px;
  }
}

@media (min-width: 1140px){
  .page-privacy .privacy-layout{
    grid-template-columns: 252px minmax(0, 1fr);
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-privacy .term::after,
  .page-privacy .privacy-toc a,
  .page-privacy .breadcrumb a{
    transition: none;
  }
}