.page-privacy{
  --pv-measure: 64ch;
  display: block;
  background: var(--ink-950);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  padding: calc(var(--header-h) + clamp(3rem,9vw,6.5rem)) 0 clamp(2.4rem,6vw,4rem);
}
.page-privacy .pv-hero__bg{
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
  filter: saturate(.8) contrast(1.05);
}
.page-privacy .pv-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(760px 420px at 82% 0%, rgba(124,58,237,.3), transparent 68%),
    linear-gradient(180deg, rgba(5,8,23,.62) 0%, rgba(5,8,23,.86) 58%, var(--ink-950) 100%);
}
.page-privacy .pv-hero__inner{
  position: relative;
  z-index: 1;
}
.page-privacy .pv-hero__label{
  margin: clamp(1.6rem,4vw,2.6rem) 0 .9rem;
}
.page-privacy .pv-hero__title{
  max-width: 20ch;
  margin: 0 0 1.2rem;
}
.page-privacy .pv-hero__lede{
  max-width: 60ch;
  margin: 0;
}

.page-privacy .pv-meta{
  list-style: none;
  margin: clamp(2rem,5vw,3rem) 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: .9rem 1.6rem;
  grid-template-columns: repeat(2, minmax(0,1fr));
}
.page-privacy .pv-meta__item{
  display: flex;
  flex-direction: column;
  gap: .25rem;
  min-width: 0;
}
.page-privacy .pv-meta__k{
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--text-soft);
}
.page-privacy .pv-meta__v{
  font-size: .9rem;
  color: var(--text-dim);
  overflow-wrap: anywhere;
}

/* ---------- 两栏骨架 ---------- */
.page-privacy .pv-layout{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(2rem,5vw,3rem);
  padding-top: clamp(2.4rem,6vw,4rem);
  padding-bottom: clamp(3.5rem,9vw,6rem);
}

/* ---------- 锚点目录 ---------- */
.page-privacy .pv-toc{
  align-self: start;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
}
.page-privacy .pv-toc__title{
  margin: 0 0 .8rem;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--text-soft);
}
.page-privacy .pv-toc__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}
.page-privacy .pv-toc__link{
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding: .45rem .65rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: .84rem;
  line-height: 1.35;
  color: var(--text-soft);
  text-decoration: none;
  transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.page-privacy .pv-toc__link:hover{
  color: var(--text);
  background: rgba(16,26,58,.72);
  border-color: var(--line);
}
.page-privacy .pv-toc__link:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  color: var(--text);
}
.page-privacy .pv-toc__no{
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  color: var(--violet);
}
.page-privacy .pv-toc__side{
  display: none;
  margin: 1.1rem 0 0;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--text-soft);
  max-width: 26ch;
}

/* ---------- 正文 ---------- */
.page-privacy .pv-body{
  min-width: 0;
  max-width: var(--pv-measure);
}
.page-privacy .pv-body p{
  margin: 0 0 1rem;
  font-size: clamp(.98rem,.95rem + .28vw,1.06rem);
  line-height: 1.85;
  color: var(--text-soft);
}
.page-privacy .pv-body strong{
  color: var(--text);
  font-weight: 600;
}

.page-privacy .pv-summary{
  border-left: 2px solid var(--amber);
  padding: .2rem 0 .2rem 1.05rem;
  margin: 0 0 clamp(1.8rem,4vw,2.6rem);
  font-size: .93rem;
  line-height: 1.8;
  color: var(--text-dim);
}

/* 章节 */
.page-privacy .pv-sec{
  --pv-accent: var(--violet);
  padding: clamp(2rem,5vw,3rem) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}
.page-privacy .pv-sec:first-of-type{
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pv-sec--cyan{ --pv-accent: var(--cyan); }
.page-privacy .pv-sec--amber{ --pv-accent: var(--amber); }
.page-privacy .pv-sec--magenta{ --pv-accent: var(--magenta); }

.page-privacy .pv-sec__head{
  display: flex;
  align-items: baseline;
  gap: .8rem;
  margin-bottom: 1.15rem;
}
.page-privacy .pv-sec__no{
  flex: none;
  font-size: .72rem;
  letter-spacing: .16em;
  line-height: 1;
  padding: .3rem .5rem;
  border: 1px solid currentColor;
  border-radius: 999px;
  color: var(--pv-accent);
  opacity: .9;
}
.page-privacy .pv-sec__head h2{
  margin: 0;
}

.page-privacy .pv-sub{
  margin: 1.8rem 0 .8rem;
  font-size: .95rem;
  letter-spacing: .06em;
  color: var(--text);
}

/* 要点列表 */
.page-privacy .dot-list{
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .7rem;
}
.page-privacy .dot-list li{
  position: relative;
  padding-left: 1.3rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--text-soft);
}
.page-privacy .dot-list li::before{
  content: "";
  position: absolute;
  left: .1rem;
  top: .72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pv-accent, var(--violet));
  box-shadow: 0 0 10px currentColor;
}

.page-privacy .pv-note{
  font-size: .86rem;
  color: var(--text-soft);
  border-top: 1px dashed var(--line);
  padding-top: .9rem;
  margin-top: 1.2rem;
}

/* 留存边界 / 联系渠道 数据板 */
.page-privacy .pv-board,
.page-privacy .pv-contact{
  margin: 1.6rem 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16,26,58,.42);
}
.page-privacy .pv-board__title,
.page-privacy .pv-contact__title{
  margin: 0 0 .55rem;
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--text-soft);
}
.page-privacy .pv-contact{
  border-left: 2px solid var(--cyan);
}
.page-privacy .pv-contact__note{
  margin: .9rem 0 0;
  font-size: .82rem;
  line-height: 1.75;
  color: var(--text-soft);
}

/* 目的编号列表 */
.page-privacy .pv-purpose{
  list-style: none;
  margin: 1.4rem 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}
.page-privacy .pv-purpose li{
  display: flex;
  gap: .85rem;
  align-items: flex-start;
  padding-bottom: .9rem;
  border-bottom: 1px solid rgba(42,58,106,.5);
  font-size: .95rem;
  line-height: 1.78;
  color: var(--text-soft);
}
.page-privacy .pv-purpose li:last-child{
  border-bottom: 0;
  padding-bottom: 0;
}
.page-privacy .pv-purpose__no{
  flex: none;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--amber);
  padding-top: .3em;
}

/* Cookie 三格 */
.page-privacy .pv-cookie{
  display: grid;
  gap: .9rem;
  margin: 1.5rem 0;
}
.page-privacy .pv-cookie__card{
  padding: .95rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(16,26,58,.7), rgba(10,16,36,.55));
}
.page-privacy .pv-cookie__tag{
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--magenta);
}
.page-privacy .pv-cookie__tag--cyan{ color: var(--cyan); }
.page-privacy .pv-cookie__tag--amber{ color: var(--amber); }
.page-privacy .pv-cookie__text{
  margin: 0;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--text-soft);
}

/* 展开条款 */
.page-privacy .pv-details{
  margin: 1.3rem 0 0;
  padding: .85rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16,26,58,.38);
  transition: background .25s var(--ease), border-color .25s var(--ease);
}
.page-privacy .pv-details[open]{
  background: rgba(16,26,58,.75);
  border-color: rgba(124,58,237,.5);
}
.page-privacy .pv-details summary{
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: .92rem;
  font-weight: 600;
  color: var(--text);
  border-radius: 6px;
}
.page-privacy .pv-details summary::-webkit-details-marker{ display: none; }
.page-privacy .pv-details summary::after{
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--cyan);
}
.page-privacy .pv-details[open] summary::after{ content: "－"; }
.page-privacy .pv-details summary:hover{ color: var(--cyan); }
.page-privacy .pv-details summary:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.page-privacy .pv-details p{
  margin: .85rem 0 .15rem;
  font-size: .9rem;
}

/* 底部动作 */
.page-privacy .pv-actions{
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin-top: 1.8rem;
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 520px){
  .page-privacy .pv-meta{
    grid-template-columns: minmax(0,1fr);
  }
  .page-privacy .pv-hero__title{
    font-size: clamp(1.85rem,7.5vw,2.4rem);
  }
  .page-privacy .pv-actions .btn{
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

/* ---------- 桌面端：左侧锚点目录 + 窄测量行宽 ---------- */
@media (min-width: 1000px){
  .page-privacy .pv-layout{
    grid-template-columns: 232px minmax(0,1fr);
    column-gap: clamp(2.5rem,6vw,5rem);
  }
  .page-privacy .pv-toc{
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 1.1rem;
  }
  .page-privacy .pv-toc__list{
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }
  .page-privacy .pv-toc__link{
    width: 100%;
  }
  .page-privacy .pv-toc__side{
    display: block;
  }
  .page-privacy .pv-cookie{
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
  .page-privacy .pv-meta{
    grid-template-columns: repeat(4, minmax(0,1fr));
  }
}

@media (prefers-reduced-motion: reduce){
  .page-privacy .pv-toc__link,
  .page-privacy .pv-details{
    transition: none;
  }
}
<<<END>>>