.page-products{
  --pd-panel:var(--paper);
  --pd-soft:var(--cream);
  --pd-dark:var(--lake);
  --pd-accent:var(--gold);
  --pd-accent-soft:var(--gold-lite);
  --pd-gap:clamp(1rem,2.4vw,1.6rem);
  --pd-sec-space:clamp(1.6rem,4vw,3rem);
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .pd-top{
  padding-top:clamp(1rem,2.4vw,1.6rem);
}

.page-products .pd-hero{
  padding-block:clamp(.8rem,2vw,1.4rem) clamp(1.8rem,4.6vw,3.2rem);
}

.page-products .pd-hero__frame{
  padding:clamp(1.4rem,4vw,3.2rem);
  background:var(--pd-soft);
  border-radius:var(--r-lg);
  position:relative;
  overflow:hidden;
}

.page-products .pd-hero__frame::before{
  content:"";
  position:absolute;
  inset-block-start:0;
  inset-inline-start:0;
  width:min(46%,320px);
  height:6px;
  background:linear-gradient(90deg,var(--red-clay),var(--pd-accent));
}

.page-products .pd-hero__title{
  margin:.6rem 0 0;
  font-size:clamp(2.1rem,6.2vw,4.4rem);
  font-weight:300;
  line-height:1.06;
  letter-spacing:-.02em;
  max-width:22ch;
}

.page-products .pd-hero__lead{
  margin:clamp(.9rem,2.2vw,1.4rem) 0 0;
  max-width:60ch;
}

.page-products .pd-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:.7rem;
  margin-top:clamp(1.2rem,3vw,1.8rem);
}

.page-products .pd-hero__versions{
  list-style:none;
  margin:clamp(1.4rem,3.4vw,2.2rem) 0 0;
  padding:0;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:.7rem;
}

@media (min-width:640px){
  .page-products .pd-hero__versions{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (min-width:1000px){
  .page-products .pd-hero__versions{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
}

.page-products .pd-ver{
  background:var(--pd-panel);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:.85rem 1rem;
  display:flex;
  flex-direction:column;
  gap:.2rem;
}

.page-products .pd-ver__num{
  font-size:1.5rem;
  line-height:1.1;
  color:var(--red-clay);
}

.page-products .pd-ver__label{
  font-size:.82rem;
  color:var(--taupe);
}

/* ---------- 主体两栏：内容 + 版本索引 ---------- */
.page-products .pd-body{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(1.6rem,4vw,3rem);
  align-items:start;
  padding-block:clamp(1rem,2.4vw,1.6rem) clamp(2.4rem,6vw,4.4rem);
}

@media (min-width:1040px){
  .page-products .pd-body{
    grid-template-columns:minmax(0,1fr) 236px;
  }
}

.page-products .pd-body__main{
  min-width:0;
}

.page-products .pd-body__rail{
  display:none;
}

@media (min-width:1040px){
  .page-products .pd-body__rail{
    display:block;
    position:sticky;
    top:104px;
  }
}

.page-products .pd-rail{
  background:var(--pd-soft);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:1rem 1rem 1.1rem;
}

.page-products .pd-rail .index-label{
  display:block;
  margin-bottom:.6rem;
}

.page-products .pd-rail-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.3rem;
}

.page-products .pd-rail-list a{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:.6rem;
  padding:.55rem .75rem;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  color:var(--ink);
  text-decoration:none;
  font-size:.9rem;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}

.page-products .pd-rail-list a:hover,
.page-products .pd-rail-list a:focus-visible{
  background:var(--pd-panel);
  border-color:var(--line);
}

.page-products .pd-rail-list .mono{
  font-size:.78rem;
  color:var(--red-clay);
}

.page-products .pd-rail__note{
  margin:.9rem 0 .8rem;
  font-size:.82rem;
  line-height:1.7;
  color:var(--taupe);
}

/* ---------- 章节通用 ---------- */
.page-products .pd-sec{
  scroll-margin-top:120px;
  padding-block:var(--pd-sec-space);
}

.page-products .pd-sec + .pd-sec{
  border-top:1px solid var(--line);
}

.page-products .pd-sec__title{
  margin:.35rem 0 clamp(.8rem,2vw,1.2rem);
  font-size:clamp(1.6rem,3.6vw,2.6rem);
  font-weight:300;
  line-height:1.16;
  letter-spacing:-.01em;
  max-width:26ch;
}

.page-products .pd-text{
  margin:0 0 .9rem;
  font-size:1.02rem;
  line-height:1.85;
}

.page-products .pd-link-line{
  margin:1.1rem 0 0;
}

.page-products .pd-textlink{
  display:inline-block;
  color:var(--turq);
  font-weight:500;
  text-decoration:none;
  border-bottom:2px solid var(--pd-accent);
  padding-bottom:2px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}

.page-products .pd-textlink:hover,
.page-products .pd-textlink:focus-visible{
  color:var(--red-clay);
  border-color:var(--red-clay);
}

/* ---------- 图片 ---------- */
.page-products .pd-fig{
  margin:clamp(1.1rem,2.6vw,1.8rem) 0;
}

.page-products .media__img{
  width:100%;
  max-width:100%;
  height:auto;
  display:block;
  object-fit:cover;
  border-radius:var(--r-md);
}

/* ---------- 四条线仪表板 ---------- */
.page-products .pd-board{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:var(--pd-gap);
}

@media (min-width:700px){
  .page-products .pd-board{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (min-width:1180px){
  .page-products .pd-board{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
}

.page-products .pd-board__card{
  background:var(--pd-panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:1.15rem 1.15rem 1.25rem;
  display:flex;
  flex-direction:column;
  gap:.5rem;
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}

.page-products .pd-board__card:hover{
  transform:translateY(-4px);
  border-color:var(--turq);
}

.page-products .pd-status{
  align-self:flex-start;
  font-size:.72rem;
  letter-spacing:.08em;
  border-radius:var(--r-pill);
  padding:.22rem .68rem;
  border:1px solid transparent;
}

.page-products .pd-status--done{
  background:rgba(31,111,99,.14);
  color:var(--turq);
  border-color:rgba(31,111,99,.3);
}

.page-products .pd-status--new{
  background:var(--pd-accent-soft);
  color:var(--red-deep);
  border-color:rgba(217,164,65,.5);
}

.page-products .pd-status--compat{
  background:rgba(140,195,180,.22);
  color:var(--lake);
  border-color:rgba(140,195,180,.55);
}

.page-products .pd-board__ver{
  font-size:1.7rem;
  line-height:1.05;
  color:var(--red-clay);
}

.page-products .pd-board__name{
  margin:0;
  font-size:1.05rem;
  font-weight:700;
}

.page-products .pd-board__text{
  margin:0;
  font-size:.94rem;
  line-height:1.78;
}

.page-products .pd-board__note{
  margin:auto 0 0;
  padding-top:.6rem;
  border-top:1px dashed var(--line);
  font-size:.78rem;
  color:var(--taupe);
}

/* ---------- 导航焕新版：左右对比台 ---------- */
.page-products .pd-nav-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:var(--pd-gap);
  margin-top:clamp(1rem,2.4vw,1.6rem);
}

@media (min-width:1080px){
  .page-products .pd-nav-grid{
    grid-template-columns:minmax(0,5fr) minmax(0,7fr);
    align-items:start;
  }
}

.page-products .pd-nav-grid__fig{
  margin:0;
}

.page-products .pd-compare{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
}

@media (min-width:760px){
  .page-products .pd-compare{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .page-products .pd-compare::after{
    content:"";
    position:absolute;
    inset-block:0;
    left:50%;
    width:2px;
    transform:translateX(-1px);
    background:var(--pd-accent);
  }
}

.page-products .pd-compare__side{
  padding:clamp(1.1rem,2.6vw,1.7rem);
}

.page-products .pd-compare__side--old{
  background:var(--pd-panel);
  color:var(--ink);
}

.page-products .pd-compare__side--new{
  background:var(--pd-dark);
  color:var(--pd-accent-soft);
}

.page-products .pd-compare__head{
  margin:0 0 .8rem;
  font-size:.95rem;
  font-weight:600;
  letter-spacing:.06em;
}

.page-products .pd-compare__side--old .pd-compare__head{
  color:var(--taupe);
}

.page-products .pd-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.4rem;
}

.page-products .pd-list li{
  display:flex;
  align-items:baseline;
  gap:.65rem;
  padding:.5rem .8rem;
  border-radius:var(--r-sm);
  font-size:.95rem;
}

.page-products .pd-list--old li{
  background:var(--pd-soft);
}

.page-products .pd-list--new li{
  background:rgba(241,226,190,.12);
}

.page-products .pd-list .num{
  font-family:var(--font-mono);
  font-size:.76rem;
  color:var(--taupe);
}

.page-products .pd-list--new .num{
  color:var(--pd-accent);
}

.page-products .pd-compare__foot{
  margin:1rem 0 0;
  font-size:.82rem;
  line-height:1.75;
  color:rgba(241,226,190,.8);
}

.page-products .pd-marks{
  list-style:none;
  margin:clamp(1rem,2.4vw,1.5rem) 0 0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:.55rem;
}

.page-products .pd-marks li{
  font-family:var(--font-mono);
  font-size:.85rem;
  padding:.5rem .95rem;
  border-radius:var(--r-pill);
  background:var(--pd-accent-soft);
  color:var(--red-deep);
}

/* ---------- 案例库 / 文档中心：标签与步骤 ---------- */
.page-products .pd-chips{
  list-style:none;
  margin:clamp(.6rem,1.8vw,1rem) 0 clamp(1rem,2.4vw,1.5rem);
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
}

.page-products .pd-chips--tight{
  margin-top:.2rem;
}

.page-products .pd-scene{
  font-size:.88rem;
  padding:.42rem .9rem;
  border-radius:var(--r-pill);
  background:var(--pd-panel);
  border:1px solid var(--line);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}

.page-products .pd-scene:hover{
  border-color:var(--turq);
  color:var(--turq);
}

.page-products .pd-doc-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:var(--pd-gap);
  margin-top:clamp(1rem,2.4vw,1.6rem);
  align-items:start;
}

@media (min-width:900px){
  .page-products .pd-doc-grid{
    grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  }
}

.page-products .pd-doc-grid__fig{
  margin:0;
}

.page-products .pd-steps{
  list-style:none;
  counter-reset:pdstep;
  margin:.4rem 0 0;
  padding:0;
  display:grid;
  gap:.65rem;
}

.page-products .pd-steps li{
  counter-increment:pdstep;
  display:grid;
  grid-template-columns:2.6rem minmax(0,1fr);
  gap:.7rem;
  align-items:start;
  padding:.85rem 1rem;
  background:var(--pd-panel);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  font-size:.95rem;
  line-height:1.8;
}

.page-products .pd-steps li::before{
  content:"0" counter(pdstep);
  font-family:var(--font-mono);
  font-size:1rem;
  color:var(--red-clay);
  line-height:1.7;
}

.page-products .pd-steps--launch li{
  background:var(--pd-soft);
}

/* ---------- 公告与更新：三条节奏 ---------- */
.page-products .pd-facts{
  list-style:none;
  margin:clamp(1rem,2.4vw,1.5rem) 0 0;
  padding:0;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:var(--pd-gap);
}

@media (min-width:760px){
  .page-products .pd-facts{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

.page-products .pd-fact{
  background:var(--pd-dark);
  color:var(--pd-accent-soft);
  border-radius:var(--r-lg);
  padding:1.2rem 1.2rem 1.3rem;
  display:flex;
  flex-direction:column;
  gap:.5rem;
}

.page-products .pd-fact__num{
  font-size:1.5rem;
  line-height:1.1;
  color:var(--pd-accent);
}

.page-products .pd-fact p{
  margin:0;
  font-size:.92rem;
  line-height:1.78;
  color:rgba(241,226,190,.88);
}

/* ---------- 兼容与上手 ---------- */
.page-products .pd-devices{
  list-style:none;
  margin:clamp(1rem,2.4vw,1.5rem) 0 0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.7rem;
}

@media (min-width:820px){
  .page-products .pd-devices{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
}

.page-products .pd-device{
  background:var(--pd-panel);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:1rem;
  display:flex;
  flex-direction:column;
  gap:.25rem;
  transition:transform .18s var(--ease),border-color .18s var(--ease);
}

.page-products .pd-device:hover{
  transform:translateY(-4px);
  border-color:var(--turq);
}

.page-products .pd-device__name{
  font-weight:600;
  font-size:1rem;
}

.page-products .pd-device__sys{
  font-size:.78rem;
  color:var(--taupe);
  opacity:.8;
  transition:opacity .18s var(--ease),color .18s var(--ease);
}

.page-products .pd-device:hover .pd-device__sys{
  opacity:1;
  color:var(--turq);
}

/* ---------- 结尾行动区 ---------- */
.page-products .pd-cta{
  background:var(--pd-dark);
  color:var(--pd-accent-soft);
  border-radius:var(--r-lg) var(--r-lg) 0 0;
}

.page-products .pd-cta__inner{
  padding-block:clamp(2rem,5vw,3.4rem);
}

.page-products .pd-cta__title{
  margin:0 0 .8rem;
  font-size:clamp(1.7rem,4vw,2.8rem);
  font-weight:300;
  line-height:1.14;
  letter-spacing:-.01em;
}

.page-products .pd-cta__text{
  margin:0 0 clamp(1.2rem,3vw,1.8rem);
  max-width:52ch;
  font-size:1.02rem;
  line-height:1.85;
  color:rgba(241,226,190,.88);
}

.page-products .pd-cta__actions{
  display:flex;
  flex-wrap:wrap;
  gap:.7rem;
}

.page-products .pd-cta .btn--ghost{
  color:var(--pd-accent-soft);
  border-color:rgba(241,226,190,.45);
}

.page-products .pd-cta .btn--ghost:hover,
.page-products .pd-cta .btn--ghost:focus-visible{
  border-color:var(--pd-accent);
  color:var(--pd-accent);
}

@media (prefers-reduced-motion:reduce){
  .page-products .pd-board__card,
  .page-products .pd-device,
  .page-products .pd-scene,
  .page-products .pd-rail-list a,
  .page-products .pd-textlink{
    transition:none;
  }

  .page-products .pd-board__card:hover,
  .page-products .pd-device:hover{
    transform:none;
  }
}
<<<END>>>