.page-privacy{
  --prv-rail: 236px;
  position: relative;
  padding-top: clamp(26px, 5vw, 56px);
  padding-bottom: clamp(48px, 8vw, 96px);
  background:
    radial-gradient(880px 420px at 84% -10%, rgba(46,155,255,.11), transparent 62%),
    radial-gradient(600px 320px at 6% 4%, rgba(255,106,26,.08), transparent 60%),
    var(--yw-graphite);
}

.page-privacy .yw-crumb{
  font-size: 13px;
  color: var(--yw-muted);
}
.page-privacy .yw-crumb ol{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-privacy .yw-crumb li{
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-privacy .yw-crumb li + li::before{
  content: "/";
  color: var(--yw-line);
}
.page-privacy .yw-crumb a{
  color: var(--yw-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.page-privacy .yw-crumb a:hover{
  color: var(--yw-signal);
  border-bottom-color: var(--yw-signal);
}
.page-privacy .yw-crumb [aria-current="page"]{
  color: var(--yw-paper);
}

.page-privacy .prv-head{
  margin-top: clamp(22px, 4vw, 44px);
  max-width: 880px;
}
.page-privacy .prv-head .yw-kicker{
  font-family: var(--yw-font-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--yw-signal);
}
.page-privacy .prv-head .yw-h1{
  margin: 14px 0 18px;
  font-size: clamp(32px, 5.4vw, 64px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--yw-paper);
}
.page-privacy .prv-head .yw-lead{
  max-width: 62ch;
  margin: 0;
  font-size: clamp(15.5px, 1.4vw, 18px);
  line-height: 1.8;
  color: var(--yw-muted);
}

.page-privacy .prv-shell{
  margin-top: clamp(26px, 4vw, 52px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

/* ---------- 目录栏 ---------- */
.page-privacy .prv-rail{
  border-top: 2px solid var(--yw-signal);
  padding-top: 16px;
}
.page-privacy .prv-rail__ttl{
  margin: 0 0 14px;
  font-family: var(--yw-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--yw-muted);
}
.page-privacy .prv-toc{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}
.page-privacy .prv-toc__link{
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px 8px 12px;
  border-left: 2px solid var(--yw-line);
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--yw-muted);
  text-decoration: none;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}
.page-privacy .prv-toc__link:hover{
  color: var(--yw-paper);
  background: var(--yw-graphite-2);
}
.page-privacy .prv-toc__link.is-active{
  color: var(--yw-signal);
  border-left-color: var(--yw-signal);
  background: rgba(255, 106, 26, .08);
}
.page-privacy .prv-toc__num{
  flex: none;
  font-family: var(--yw-font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--yw-electric);
}
.page-privacy .prv-toc__link.is-active .prv-toc__num{
  color: var(--yw-signal);
}
.page-privacy .prv-top{
  display: inline-block;
  margin-top: 18px;
  padding-bottom: 3px;
  font-family: var(--yw-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--yw-electric);
  text-decoration: none;
  border-bottom: 1px solid var(--yw-line);
  transition: border-color .2s ease, color .2s ease;
}
.page-privacy .prv-top:hover{
  color: var(--yw-signal);
  border-bottom-color: var(--yw-signal);
}

/* ---------- 摘要卡 ---------- */
.page-privacy .prv-body{
  min-width: 0;
}
.page-privacy .prv-brief{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
  margin-bottom: clamp(16px, 2.4vw, 26px);
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--yw-radius);
}
.page-privacy .prv-brief__ttl{
  margin: 0 0 14px;
  font-family: var(--yw-font-sans);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -.01em;
  color: var(--yw-ink);
}
.page-privacy .prv-brief__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-privacy .prv-brief__list li{
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--yw-ink);
}
.page-privacy .prv-brief__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 12px;
  height: 2px;
  background: var(--yw-signal-deep);
}
.page-privacy .prv-brief__fig{
  margin: 0;
}
.page-privacy .prv-brief__fig img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--yw-radius);
}

/* ---------- 条款 ---------- */
.page-privacy .prv-clause{
  padding: clamp(20px, 3vw, 34px);
  margin-bottom: clamp(12px, 1.8vw, 18px);
  background: var(--yw-paper);
  border-radius: var(--yw-radius);
  border-left: 3px solid var(--yw-paper-line);
  scroll-margin-top: calc(var(--yw-header-h) + 24px);
  transition: border-color .25s ease;
}
.page-privacy .prv-clause:hover{
  border-left-color: var(--yw-signal-deep);
}
.page-privacy .prv-clause__head{
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--yw-paper-line);
}
.page-privacy .prv-clause__num{
  flex: none;
  font-family: var(--yw-font-mono);
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--yw-signal-deep);
}
.page-privacy .prv-clause__ttl{
  margin: 0;
  font-family: var(--yw-font-sans);
  font-weight: 800;
  font-size: clamp(17.5px, 2vw, 22px);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--yw-ink);
}
.page-privacy .prv-clause p{
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--yw-ink);
}
.page-privacy .prv-clause p:last-child{
  margin-bottom: 0;
}
.page-privacy .prv-link{
  color: var(--yw-electric-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--yw-electric-deep);
  word-break: break-all;
}
.page-privacy .prv-link:hover{
  color: var(--yw-signal-deep);
  border-bottom-color: var(--yw-signal-deep);
}

.page-privacy .prv-dl{
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--yw-paper-line);
}
.page-privacy .prv-dl > div{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  padding: 11px 0;
  border-bottom: 1px solid var(--yw-paper-line);
}
.page-privacy .prv-dl dt{
  font-family: var(--yw-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--yw-signal-deep);
}
.page-privacy .prv-dl dd{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--yw-ink);
}

/* ---------- 结尾 ---------- */
.page-privacy .prv-foot{
  margin-top: clamp(20px, 3vw, 32px);
  padding: clamp(20px, 3vw, 32px);
  border-top: 2px solid var(--yw-electric);
  border-radius: var(--yw-radius);
  background: var(--yw-graphite-2);
}
.page-privacy .prv-foot__ttl{
  margin: 0 0 12px;
  font-family: var(--yw-font-sans);
  font-weight: 900;
  font-size: 18px;
  letter-spacing: -.01em;
  color: var(--yw-paper);
}
.page-privacy .prv-foot__text{
  margin: 0 0 20px;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--yw-muted);
}
.page-privacy .prv-foot__act{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 620px){
  .page-privacy .prv-dl > div{
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
  .page-privacy .prv-dl dt{
    padding-top: 2px;
  }
}

@media (min-width: 560px) and (max-width: 979px){
  .page-privacy .prv-toc{
    grid-template-columns: 1fr 1fr;
    gap: 2px 12px;
  }
}

@media (min-width: 760px){
  .page-privacy .prv-brief{
    grid-template-columns: minmax(0, 1.15fr) minmax(190px, .85fr);
    align-items: center;
    gap: clamp(22px, 3vw, 40px);
  }
}

@media (min-width: 980px){
  .page-privacy .prv-shell{
    grid-template-columns: var(--prv-rail) minmax(0, 1fr);
    gap: clamp(30px, 4vw, 64px);
  }
  .page-privacy .prv-rail{
    position: sticky;
    top: calc(var(--yw-header-h) + 20px);
  }
  .page-privacy .prv-body{
    max-width: 860px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-privacy .prv-toc__link,
  .page-privacy .prv-clause,
  .page-privacy .prv-top,
  .page-privacy .yw-crumb a{
    transition: none;
  }
}
<<<END>>>