/* ================= 隐私中心 · 页面作用域 ================= */
.page-privacy{
  --pv-radius: 6px;
  --pv-ink-soft: #1d2532;
  --pv-ink-mute: #4a5261;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 顶部蓝图网格带 ---------- */
.page-privacy .pv-band{
  position: relative;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(22,35,58,.92) 0%, rgba(11,18,32,.98) 100%);
}
.page-privacy .pv-band__mesh{
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: .5;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.25) 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.25) 100%);
}
.page-privacy .pv-band__progress{
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--line);
}
.page-privacy .pv-band__progress-fill{
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--red-bright) 0%, var(--gold) 100%);
}

.page-privacy .pv-band__inner{
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-block: clamp(30px, 6vw, 76px) clamp(26px, 5vw, 52px);
}
.page-privacy .pv-band__copy{ min-width: 0; }

.page-privacy .pv-band__title{
  margin: .3em 0 .45em;
  font-size: clamp(34px, 6vw, 68px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--paper);
}
.page-privacy .pv-band__title em{
  font-style: normal;
  font-weight: 900;
  color: var(--red-bright);
}
.page-privacy .pv-band__copy .lead{
  max-width: 34em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: rgba(247,246,243,.82);
  margin: 0;
}

.page-privacy .pv-band__figure{
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--pv-radius);
  overflow: hidden;
  background: rgba(22,35,58,.6);
}
.page-privacy .pv-band__figure::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(215,38,30,.16) 0%, transparent 55%);
  pointer-events: none;
}
.page-privacy .pv-band__figure img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .pv-keys{
  position: relative;
  list-style: none;
  margin: 0;
  padding: 18px 0 28px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  border-top: 1px solid var(--line);
}
.page-privacy .pv-keys li{
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}
.page-privacy .pv-keys .mono{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold);
}
.page-privacy .pv-keys strong{
  font-size: 15px;
  font-weight: 900;
  color: var(--paper);
  letter-spacing: .01em;
}

/* ---------- 长文 + 章节条 ---------- */
.page-privacy .pv-layout{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-block: clamp(30px, 5vw, 64px) clamp(48px, 8vw, 96px);
}

.page-privacy .pv-side{ min-width: 0; }
.page-privacy .pv-toc{
  border: 1px solid var(--line);
  border-radius: var(--pv-radius);
  background: rgba(22,35,58,.6);
  padding: 14px;
}
.page-privacy .pv-toc .toc__title{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold);
}
.page-privacy .pv-toc ul{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-privacy .pv-toc li{ flex: 0 0 auto; }
.page-privacy .pv-toc .toc-link{
  display: block;
  white-space: nowrap;
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.2;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}
.page-privacy .pv-toc .toc-link:hover,
.page-privacy .pv-toc .toc-link:focus-visible{
  color: var(--paper);
  border-color: var(--red-bright);
}
.page-privacy .pv-toc .toc-link.is-active{
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

/* ---------- 纸白阅读层 ---------- */
.page-privacy .pv-doc{
  min-width: 0;
  max-width: 700px;
  padding: clamp(22px, 4vw, 52px);
  background: var(--paper);
  color: var(--black);
  border-radius: var(--pv-radius);
  border: 1px solid rgba(8,9,12,.08);
  overflow-wrap: break-word;
}

.page-privacy .pv-sec{
  padding-block: 34px;
  border-top: 1px solid var(--paper-2);
  scroll-margin-top: 88px;
}
.page-privacy .pv-sec:first-child{
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pv-sec:last-child{ padding-bottom: 0; }

.page-privacy .pv-sec__head{
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}
.page-privacy .pv-sec__idx{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--red);
}
.page-privacy .pv-sec h2{
  margin: 0;
  font-size: clamp(21px, 2.8vw, 29px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--black);
}

.page-privacy .pv-sec__sum{
  margin: 16px 0 20px;
  padding-left: 14px;
  border-left: 3px solid var(--red);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.75;
  color: var(--pv-ink-soft);
}

.page-privacy .pv-sec p{
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pv-ink-mute);
}
.page-privacy .pv-sec p:last-child{ margin-bottom: 0; }
.page-privacy .pv-sec a{
  color: var(--red-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 四格信息矩阵 */
.page-privacy .pv-matrix{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--paper-2);
  border: 1px solid var(--paper-2);
  border-radius: var(--pv-radius);
  overflow: hidden;
}
.page-privacy .pv-cell{
  background: var(--paper);
  padding: 18px 16px 20px;
  min-width: 0;
}
.page-privacy .pv-cell svg{
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--red);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.page-privacy .pv-cell__idx{
  margin: 10px 0 4px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: #8a9099;
}
.page-privacy .pv-cell h3{
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 900;
  color: var(--black);
}
.page-privacy .pv-cell p{
  font-size: 13.8px;
  line-height: 1.8;
  color: var(--pv-ink-mute);
}

/* 用途清单 */
.page-privacy .pv-uses{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy .pv-uses li{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--paper-2);
}
.page-privacy .pv-uses li:last-child{ border-bottom: 0; padding-bottom: 0; }
.page-privacy .pv-uses .tag{
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}
.page-privacy .pv-uses p{ margin: 0; }
.page-privacy .pv-uses--tight li{ padding: 12px 0; }

/* 保存期限表 */
.page-privacy .pv-table{
  border: 1px solid var(--paper-2);
  border-radius: var(--pv-radius);
  overflow: hidden;
}
.page-privacy .pv-row{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--paper-2);
  background: var(--paper);
}
.page-privacy .pv-row:last-child{ border-bottom: 0; }
.page-privacy .pv-row--head{
  display: none;
  background: var(--ink-2);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
}
.page-privacy .pv-row span:first-child{
  font-size: 14.8px;
  font-weight: 900;
  color: var(--black);
}
.page-privacy .pv-row span:nth-child(2){
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--red-deep);
}
.page-privacy .pv-row span:nth-child(3){
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--pv-ink-mute);
}

/* 折叠补充 */
.page-privacy .pv-more{
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px dashed var(--paper-2);
}
.page-privacy .pv-more summary{
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 900;
  color: var(--red-deep);
}
.page-privacy .pv-more summary::-webkit-details-marker{ display: none; }
.page-privacy .pv-more summary::before{
  content: "+ ";
  font-family: var(--font-mono);
  color: var(--red);
}
.page-privacy .pv-more[open] summary::before{ content: "− "; }
.page-privacy .pv-more p{ margin-top: 10px; font-size: 14.5px; }

/* 对外提供 */
.page-privacy .pv-guards{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}
.page-privacy .pv-guard{
  padding: 14px 0 14px 16px;
  border-left: 2px solid var(--paper-2);
  border-bottom: 1px solid var(--paper-2);
}
.page-privacy .pv-guard:last-child{ border-bottom: 0; }
.page-privacy .pv-guard h3{
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 900;
  color: var(--black);
}
.page-privacy .pv-guard p{
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}
.page-privacy .pv-note{
  margin: 20px 0 0;
  padding: 15px 16px;
  background: var(--paper-2);
  border-left: 3px solid var(--red-bright);
  border-radius: 0 var(--pv-radius) var(--pv-radius) 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pv-ink-soft);
}

/* 三步流程 */
.page-privacy .pv-flow{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  counter-reset: pvstep;
}
.page-privacy .pv-flow li{
  padding: 18px 16px;
  background: var(--paper-2);
  border-radius: var(--pv-radius);
}
.page-privacy .pv-flow__num{
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
  color: var(--red);
}
.page-privacy .pv-flow h3{
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 900;
  color: var(--black);
}
.page-privacy .pv-flow p{
  margin: 0;
  font-size: 13.8px;
  line-height: 1.78;
}

/* 收束与行动 */
.page-privacy .pv-close{
  margin-top: 22px;
  font-size: 14.5px;
}
.page-privacy .pv-actions{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--paper-2);
}
.page-privacy .pv-linkline{
  display: inline-flex;
  align-items: center;
  font-size: 14.5px;
  font-weight: 900;
  color: var(--red-deep);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--red);
}
.page-privacy .pv-linkline:hover{ color: var(--red); }

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-privacy .pv-matrix{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-privacy .pv-keys{ grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
  .page-privacy .pv-row{ grid-template-columns: minmax(0, 1.05fr) minmax(0, .85fr) minmax(0, 1fr); gap: 16px; align-items: baseline; }
  .page-privacy .pv-row--head{ display: grid; }
  .page-privacy .pv-flow{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 900px){
  .page-privacy .pv-band__inner{
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    align-items: center;
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (min-width: 1024px){
  .page-privacy .pv-layout{
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: clamp(40px, 5vw, 84px);
    align-items: start;
  }
  .page-privacy .pv-side{ position: sticky; top: 96px; }
  .page-privacy .pv-toc ul{
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }
  .page-privacy .pv-toc li{ flex: 1 1 auto; }
  .page-privacy .pv-toc .toc-link{
    white-space: normal;
    padding: 9px 0 9px 14px;
    border: 0;
    border-left: 1px solid var(--line);
    border-radius: 0;
    font-size: 13px;
    line-height: 1.5;
  }
  .page-privacy .pv-toc .toc-link:hover,
  .page-privacy .pv-toc .toc-link:focus-visible{
    border-left-color: var(--gold);
    color: var(--paper);
  }
  .page-privacy .pv-toc .toc-link.is-active{
    background: transparent;
    border-left: 2px solid var(--gold);
    color: var(--gold);
  }
}