.page-disclaimer{
  --pd-panel:linear-gradient(158deg,#0E2A47 0%,#0A2038 58%,#0B2338 100%);
  --pd-line:rgba(31,224,200,.20);
  --pd-title:#F2F8FB;
  --pd-soft:rgba(201,211,220,.72);
  background:
    radial-gradient(900px 520px at 88% -12%,rgba(31,224,200,.11),transparent 66%),
    radial-gradient(620px 420px at 2% 42%,rgba(43,111,122,.20),transparent 70%),
    linear-gradient(180deg,#071A2F 0%,#071A2F 52%,#061628 100%);
  padding:clamp(16px,3vw,30px) 0 clamp(46px,7vw,86px);
  color:var(--mist);
  font-family:var(--font-cn);
  overflow-x:hidden;
}

/* 面包屑处的呼吸 */
.page-disclaimer .breadcrumbs{
  margin-bottom:clamp(14px,2.2vw,22px);
}

/* 页头 */
.page-disclaimer .manual-head{
  display:grid;
  gap:clamp(18px,3vw,34px);
  align-items:end;
}
.page-disclaimer .manual-head__copy .eyebrow{
  display:block;
  margin:0 0 10px;
  color:var(--cyan);
}
.page-disclaimer .manual-head__copy .display{
  margin:0;
  color:var(--pd-title);
  font-size:clamp(32px,6vw,64px);
  line-height:1.06;
  letter-spacing:-.02em;
}
.page-disclaimer .manual-head__copy .lede{
  margin:16px 0 0;
  max-width:34em;
  color:var(--pd-soft);
  font-size:clamp(14px,1.5vw,16px);
  line-height:1.85;
}
.page-disclaimer .manual-head__tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:20px 0 0;
  padding:0;
  list-style:none;
}
.page-disclaimer .manual-head__figure{
  margin:0;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--pd-line);
  box-shadow:var(--shadow-panel);
  position:relative;
  background:#0A2038;
}
.page-disclaimer .manual-head__figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
  aspect-ratio:12/5;
}
.page-disclaimer .manual-head__figure .media-frame__caption{
  position:absolute;
  left:16px;
  bottom:14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--cyan-soft);
  background:rgba(7,26,47,.72);
  border-radius:var(--r-pill);
  padding:5px 12px;
  backdrop-filter:blur(4px);
}

/* 主体分栏 */
.page-disclaimer .manual-grid{
  display:grid;
  gap:clamp(18px,3vw,30px);
  margin-top:clamp(26px,4vw,46px);
}

/* 索引 */
.page-disclaimer .manual-index{
  border:1px solid var(--pd-line);
  border-radius:var(--r-md);
  background:rgba(14,42,71,.55);
  padding:18px 18px 16px;
}
.page-disclaimer .manual-index__label{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--cyan);
}
.page-disclaimer .manual-index__list{
  margin:0;
  padding:0;
  list-style:none;
  counter-reset:pd-idx;
  display:grid;
  gap:2px;
}
.page-disclaimer .manual-index__list li{
  counter-increment:pd-idx;
}
.page-disclaimer .manual-index__list a{
  display:block;
  padding:8px 10px 8px 30px;
  position:relative;
  border-radius:var(--r-sm);
  color:var(--mist);
  font-size:13px;
  line-height:1.5;
  text-decoration:none;
  border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.page-disclaimer .manual-index__list a::before{
  content:"0" counter(pd-idx);
  position:absolute;
  left:9px;
  top:9px;
  font-family:var(--font-mono);
  font-size:10px;
  color:rgba(143,245,232,.55);
}
.page-disclaimer .manual-index__list a:hover,
.page-disclaimer .manual-index__list a:focus-visible{
  background:rgba(31,224,200,.10);
  border-left-color:var(--cyan);
  color:var(--cyan-soft);
  outline:none;
}
.page-disclaimer .manual-index__tip{
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px solid rgba(201,211,220,.14);
  font-size:11.5px;
  line-height:1.7;
  letter-spacing:.02em;
  color:rgba(201,211,220,.6);
}

/* 章节卡片堆叠 */
.page-disclaimer .manual-stack{
  display:grid;
  gap:clamp(12px,1.8vw,18px);
  min-width:0;
}
.page-disclaimer .clause{
  border:1px solid var(--pd-line);
  border-radius:var(--r-lg);
  background:var(--pd-panel);
  box-shadow:var(--shadow-panel);
  overflow:hidden;
  transition:border-color .3s ease,transform .3s ease;
}
.page-disclaimer .clause[open]{
  border-color:rgba(31,224,200,.42);
}
.page-disclaimer .clause__summary{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,16px);
  padding:clamp(16px,2.4vw,26px);
  cursor:pointer;
  list-style:none;
}
.page-disclaimer .clause__summary::-webkit-details-marker{
  display:none;
}
.page-disclaimer .clause__summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:-3px;
  border-radius:var(--r-lg);
}
.page-disclaimer .clause__no{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:42px;
  padding:6px 10px;
  border-radius:12px;
  border:1px solid var(--pd-line);
  background:rgba(31,224,200,.10);
  color:var(--cyan);
  font-size:13px;
  letter-spacing:.06em;
  line-height:1;
}
.page-disclaimer .clause__title{
  flex:1 1 auto;
  min-width:0;
  font-size:clamp(16px,2vw,21px);
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--pd-title);
  line-height:1.35;
}
.page-disclaimer .clause__mark{
  flex:0 0 auto;
  position:relative;
  width:22px;
  height:22px;
  border-radius:50%;
  border:1px solid var(--pd-line);
}
.page-disclaimer .clause__mark::before,
.page-disclaimer .clause__mark::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--cyan);
  transform:translate(-50%,-50%);
  transition:transform .25s ease,opacity .25s ease;
}
.page-disclaimer .clause__mark::before{
  width:10px;
  height:1.5px;
}
.page-disclaimer .clause__mark::after{
  width:1.5px;
  height:10px;
}
.page-disclaimer .clause[open] .clause__mark::after{
  transform:translate(-50%,-50%) scaleY(0);
  opacity:0;
}

.page-disclaimer .clause__body{
  padding:0 clamp(16px,2.4vw,26px) clamp(18px,2.6vw,28px) clamp(16px,2.4vw,26px);
  border-top:1px solid rgba(31,224,200,.14);
  padding-top:clamp(16px,2.4vw,22px);
}
.page-disclaimer .clause__body p{
  margin:0 0 14px;
  font-size:clamp(13.5px,1.4vw,15px);
  line-height:1.9;
  color:var(--pd-soft);
  max-width:70ch;
}
.page-disclaimer .clause__body p:last-child{
  margin-bottom:0;
}
.page-disclaimer .clause__body strong{
  color:var(--pd-title);
  font-weight:700;
}
.page-disclaimer .clause__body a{
  color:var(--cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(31,224,200,.4);
  transition:color .2s ease,border-color .2s ease;
}
.page-disclaimer .clause__body a:hover,
.page-disclaimer .clause__body a:focus-visible{
  color:var(--cyan-soft);
  border-bottom-color:var(--cyan-soft);
  outline:none;
}
.page-disclaimer .clause__list{
  margin:0 0 14px;
  padding:0;
  list-style:none;
  display:grid;
  gap:9px;
  max-width:70ch;
}
.page-disclaimer .clause__list li{
  position:relative;
  padding-left:18px;
  font-size:clamp(13.5px,1.4vw,15px);
  line-height:1.85;
  color:var(--pd-soft);
}
.page-disclaimer .clause__list li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.72em;
  width:7px;
  height:7px;
  border-radius:2px;
  background:var(--cyan);
  opacity:.85;
}

/* 卡片底部 */
.page-disclaimer .manual-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:clamp(6px,1.4vw,12px);
  padding:clamp(16px,2.4vw,24px);
  border-radius:var(--r-md);
  border:1px dashed rgba(201,211,220,.22);
  background:rgba(7,26,47,.5);
}
.page-disclaimer .manual-foot .muted{
  margin:0;
  font-size:13px;
  line-height:1.75;
  color:rgba(201,211,220,.72);
}
.page-disclaimer .manual-foot .muted a{
  color:var(--cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(31,224,200,.4);
}
.page-disclaimer .manual-foot .muted a:hover{
  color:var(--cyan-soft);
}
.page-disclaimer .manual-foot__top{
  flex:0 0 auto;
}

/* 窄屏适配 */
@media (max-width:520px){
  .page-disclaimer .clause__summary{
    flex-wrap:wrap;
  }
  .page-disclaimer .clause__title{
    flex:1 1 calc(100% - 62px);
  }
  .page-disclaimer .clause__mark{
    order:3;
  }
  .page-disclaimer .manual-foot{
    flex-direction:column;
    align-items:flex-start;
  }
  .page-disclaimer .manual-foot__top{
    width:100%;
    text-align:center;
  }
}

/* 中等以上：非对称双栏，索引常驻 */
@media (min-width:900px){
  .page-disclaimer .manual-head{
    grid-template-columns:1.05fr .95fr;
  }
  .page-disclaimer .manual-grid{
    grid-template-columns:216px minmax(0,1fr);
    align-items:start;
  }
  .page-disclaimer .manual-index{
    position:sticky;
    top:96px;
  }
}

@media (min-width:1180px){
  .page-disclaimer .manual-grid{
    grid-template-columns:236px minmax(0,1fr);
  }
  .page-disclaimer .clause__body{
    padding-left:calc(clamp(16px,2.4vw,26px) + 58px);
  }
}

@media (prefers-reduced-motion:reduce){
  .page-disclaimer .clause,
  .page-disclaimer .clause__mark::before,
  .page-disclaimer .clause__mark::after,
  .page-disclaimer .manual-index__list a{
    transition:none;
  }
}
<<<END>>>

**输出结束**