.page-privacy{
  --pvt-rail: clamp(58px, 8vw, 104px);
  --pvt-gap: clamp(18px, 3vw, 42px);
  --pvt-read: 720px;
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-privacy .pvt-section{
  scroll-margin-top: 96px;
  padding: clamp(34px, 5.6vw, 74px) 0;
}

.page-privacy .pvt-section--seam{
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pvt-section--ice{
  background: var(--ice);
  border-top: 1px solid var(--line-blue);
  border-bottom: 1px solid var(--line-blue);
}

/* ── 首屏 ─────────────────────────────────────────── */

.page-privacy .pvt-head{
  position: relative;
  overflow: hidden;
  background: var(--paper);
  border-bottom: 1px solid var(--line-blue);
  padding: clamp(34px, 5.5vw, 78px) 0 clamp(32px, 5vw, 62px);
}

.page-privacy .pvt-head::before{
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ice);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 0 100%);
  z-index: 0;
}

.page-privacy .pvt-head::after{
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: min(520px, 46vw);
  height: 100%;
  background: var(--orange-soft);
  opacity: 0.36;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  z-index: 1;
  pointer-events: none;
}

.page-privacy .pvt-head-inner{
  position: relative;
  z-index: 2;
}

.page-privacy .pvt-title{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  max-width: 21ch;
  color: var(--ink);
}

.page-privacy .pvt-lede{
  font-size: var(--fs-17);
  line-height: 1.8;
  letter-spacing: 0.01em;
  max-width: 60ch;
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  color: var(--ink);
}

.page-privacy .pvt-facts{
  list-style: none;
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  padding: clamp(16px, 2.2vw, 24px) 0 0;
  border-top: 1px solid var(--line-blue);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 28px);
  max-width: 780px;
}

.page-privacy .pvt-facts li{
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--blue);
}

.page-privacy .pvt-fact-num{
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.2vw, 25px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--orange);
}

.page-privacy .pvt-fact-txt{
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--ink);
}

/* ── 锚点行 ───────────────────────────────────────── */

.page-privacy .pvt-row{
  display: grid;
  grid-template-columns: var(--pvt-rail) minmax(0, 1fr);
  gap: var(--pvt-gap);
  align-items: start;
}

.page-privacy .pvt-rail{
  position: sticky;
  top: clamp(72px, 9vw, 104px);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-privacy .anchor-num{
  font-family: var(--font-mono);
  font-size: clamp(32px, 4.4vw, 54px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--blue);
  transition: color 160ms var(--ease);
}

.page-privacy .anchor-label{
  font-size: var(--fs-14);
  line-height: 1.5;
  letter-spacing: 0.12em;
  color: var(--ink);
  opacity: 0.72;
}

.page-privacy .pvt-section:hover .anchor-num{
  color: var(--orange);
}

.page-privacy .pvt-section:target .anchor-num{
  color: var(--orange);
}

/* ── 正文区 ───────────────────────────────────────── */

.page-privacy .pvt-body{
  max-width: var(--pvt-read);
}

.page-privacy .pvt-section-title{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-28);
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 0 0 clamp(18px, 2.4vw, 30px);
  color: var(--ink);
}

.page-privacy .pvt-anchor{
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 400;
  color: var(--blue-soft);
  text-decoration: none;
  margin-left: 10px;
  vertical-align: middle;
  opacity: 0.4;
  transition: opacity 160ms var(--ease), color 160ms var(--ease);
}

.page-privacy .pvt-section-title:hover .pvt-anchor,
.page-privacy .pvt-anchor:focus-visible{
  opacity: 1;
  color: var(--orange);
}

.page-privacy .pvt-lead{
  font-size: var(--fs-17);
  line-height: 1.8;
  margin: 0 0 clamp(20px, 2.8vw, 30px);
  padding-left: clamp(12px, 1.8vw, 20px);
  border-left: 2px solid var(--blue);
  color: var(--ink);
}

.page-privacy .pvt-body p{
  font-size: var(--fs-17);
  line-height: 1.8;
  letter-spacing: 0.01em;
  margin: 0;
}

/* ── 01 场景列表 ──────────────────────────────────── */

.page-privacy .pvt-scenes{
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--blue);
}

.page-privacy .pvt-scenes > li{
  display: grid;
  grid-template-columns: minmax(0, 148px) minmax(0, 1fr);
  gap: clamp(12px, 2.2vw, 30px);
  align-items: start;
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pvt-scene-key{
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.16em;
  color: var(--blue);
  margin: 0 !important;
  padding-top: 3px;
}

/* ── 02 用途 ──────────────────────────────────────── */

.page-privacy .pvt-uses{
  display: grid;
  gap: 0;
  margin: 0 0 clamp(26px, 3.6vw, 44px);
}

.page-privacy .pvt-use{
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 22px);
  align-items: start;
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pvt-use:last-child{
  border-bottom: 1px solid var(--line);
}

.page-privacy .pvt-use-num{
  font-family: var(--font-mono);
  font-size: var(--fs-20);
  font-weight: 700;
  line-height: 1.3;
  color: var(--blue);
  margin: 0 !important;
}

.page-privacy .pvt-use h3{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.4;
  letter-spacing: 0.005em;
  margin: 0 0 8px;
  color: var(--ink);
}

/* ── 02 配图 ──────────────────────────────────────── */

.page-privacy .pvt-figure{
  margin: 0;
}

.page-privacy .media-frame--flow{
  aspect-ratio: 1200 / 520;
  background: var(--ice);
  border: 1px solid var(--line-blue);
  overflow: hidden;
}

.page-privacy .media-frame--flow img{
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .media-caption{
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.04em;
  color: var(--ink);
  opacity: 0.7;
}

/* ── 03 留存 ──────────────────────────────────────── */

.page-privacy .pvt-kv{
  border-top: 2px solid var(--blue);
}

.page-privacy .pvt-kv-row{
  display: grid;
  grid-template-columns: minmax(0, 132px) minmax(0, 1fr);
  gap: clamp(12px, 2.2vw, 30px);
  align-items: start;
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pvt-kv-key{
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.12em;
  color: var(--blue);
  margin: 0 !important;
  padding-top: 3px;
}

/* ── 04 请求 ──────────────────────────────────────── */

.page-privacy .pvt-requests{
  list-style: none;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-privacy .pvt-requests > li{
  background: var(--paper);
  border-left: 2px solid var(--blue);
  padding: clamp(18px, 2.4vw, 26px) clamp(18px, 2.6vw, 30px);
}

.page-privacy .pvt-req-num{
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--blue-soft);
  margin: 0 0 8px !important;
}

.page-privacy .pvt-requests h3{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.4;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-privacy .pvt-body .note{
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  line-height: 1.7;
  letter-spacing: 0.02em;
  padding: 12px 16px;
  border: 1px solid var(--green);
  color: var(--ink);
  margin: 0;
}

/* ── 05 联系 ──────────────────────────────────────── */

.page-privacy .pvt-contact{
  border: 1px solid var(--line-blue);
  border-top: 2px solid var(--blue);
  background: var(--paper-2);
  padding: clamp(18px, 2.6vw, 30px);
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-privacy .pvt-contact-row{
  display: grid;
  grid-template-columns: minmax(0, 116px) minmax(0, 1fr);
  gap: clamp(10px, 2vw, 24px);
  align-items: baseline;
}

.page-privacy .pvt-contact-key{
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.12em;
  color: var(--blue);
  margin: 0 !important;
}

.page-privacy .pvt-contact-val{
  font-size: var(--fs-17);
  line-height: 1.7;
  color: var(--ink);
  margin: 0 !important;
  word-break: break-word;
}

.page-privacy .pvt-more{
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding-top: clamp(16px, 2.2vw, 24px);
  border-top: 1px solid var(--line);
  font-size: var(--fs-17);
  line-height: 1.8;
  color: var(--ink);
}

.page-privacy .pvt-more a{
  color: var(--blue);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 160ms var(--ease);
}

.page-privacy .pvt-more a:hover{
  color: var(--orange);
}

/* ── 响应式 ───────────────────────────────────────── */

@media (max-width: 900px){
  .page-privacy .pvt-row{
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .page-privacy .pvt-rail{
    position: static;
    flex-direction: row;
    align-items: baseline;
    gap: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
  }

  .page-privacy .anchor-num{
    font-size: 32px;
  }

  .page-privacy .pvt-body{
    max-width: 100%;
  }
}

@media (max-width: 680px){
  .page-privacy .pvt-facts{
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .page-privacy .pvt-scenes > li,
  .page-privacy .pvt-kv-row,
  .page-privacy .pvt-contact-row{
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }

  .page-privacy .pvt-scene-key,
  .page-privacy .pvt-kv-key{
    padding-top: 0;
  }

  .page-privacy .pvt-use{
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

  .page-privacy .pvt-title{
    max-width: 100%;
  }

  .page-privacy .pvt-head::after{
    width: 62vw;
  }
}

/* ── 动效降级 ─────────────────────────────────────── */

@media (prefers-reduced-motion: reduce){
  .page-privacy,
  .page-privacy *{
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}