.page-products{
  --cat-gap:clamp(12px,1.6vw,18px);
  --cat-panel-a:rgba(23,53,83,.86);
  --cat-panel-b:rgba(11,27,43,.94);
  --cat-radius:var(--radius);
  background-image:radial-gradient(760px 380px at 92% -12%,rgba(240,90,60,.13),transparent 72%);
  padding-bottom:clamp(40px,6vw,80px);
}

/* 面包屑与首屏 */
.page-products .breadcrumbs{padding-top:clamp(14px,2vw,22px);}

.page-products .cat-hero{
  display:grid;
  gap:clamp(20px,3vw,36px);
  padding-block:clamp(18px,3vw,30px) clamp(24px,3.6vw,44px);
  border-bottom:1px solid var(--line-soft);
}

.page-products .cat-hero__main{min-width:0;}

.page-products .cat-hero h1{
  margin:10px 0 0;
  font-size:clamp(30px,5.2vw,56px);
  line-height:1.14;
  letter-spacing:-.02em;
  font-weight:900;
  color:var(--white);
  max-width:20ch;
}

.page-products .cat-hero .lede{
  margin-top:16px;
  max-width:60ch;
  color:var(--mist);
  font-size:clamp(15px,1.5vw,17px);
  line-height:1.78;
}

.page-products .cat-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  margin-top:clamp(20px,3vw,30px);
  background:var(--line-soft);
  border:1px solid var(--line-soft);
  border-radius:var(--cat-radius);
  overflow:hidden;
}

.page-products .cat-stat{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding:14px 16px;
  background:linear-gradient(160deg,var(--cat-panel-a),var(--cat-panel-b));
}

.page-products .cat-stat__num{
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;
  color:var(--white);
  letter-spacing:-.01em;
}

.page-products .cat-stat__label{
  font-size:13px;
  color:var(--mist);
  line-height:1.5;
}

/* 快捷直达面板 */
.page-products .cat-quick{
  align-self:start;
  padding:clamp(16px,2vw,22px);
  border:1px solid var(--line-soft);
  border-radius:var(--cat-radius);
  background:
    linear-gradient(158deg,var(--cat-panel-a),var(--cat-panel-b)),
    repeating-linear-gradient(90deg,transparent 0 30px,rgba(94,116,138,.09) 30px 31px);
}

.page-products .cat-quick__list{
  list-style:none;
  margin:14px 0 0;
  padding:0;
  display:grid;
  gap:2px;
}

.page-products .cat-quick__list a{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:10px 8px;
  border-radius:var(--radius-sm);
  color:var(--white);
  text-decoration:none;
  font-size:15px;
  line-height:1.5;
  border-bottom:1px solid rgba(94,116,138,.18);
  transition:background .2s ease,color .2s ease;
}

.page-products .cat-quick__list a:hover,
.page-products .cat-quick__list a:focus-visible{
  background:rgba(240,90,60,.12);
  color:var(--white);
}

.page-products .cat-quick__list .mono{
  color:var(--brand);
  font-size:12px;
  flex:none;
}

.page-products .cat-quick__note{
  margin:14px 0 0;
  font-size:13px;
  line-height:1.7;
  color:var(--mist);
}

.page-products .cat-quick__note a{color:var(--mint-soft);}

/* 双栏：正文 + 索引栏 */
.page-products .layout-rail{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(24px,3vw,40px);
  padding-top:clamp(28px,4vw,52px);
}

.page-products .cat-main{min-width:0;}

.page-products .index-rail{
  position:static;
  padding:16px;
  border:1px solid var(--line-soft);
  border-radius:var(--cat-radius);
  background:linear-gradient(170deg,var(--cat-panel-a),var(--cat-panel-b));
}

.page-products .index-rail__title{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mint);
}

.page-products .index-rail__link{
  display:flex;
  gap:10px;
  align-items:baseline;
  padding:9px 8px;
  border-left:2px solid transparent;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--mist);
  font-size:14px;
  line-height:1.45;
  text-decoration:none;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}

.page-products .index-rail__link:hover,
.page-products .index-rail__link:focus-visible{color:var(--white);background:rgba(94,116,138,.14);}

.page-products .index-rail__link.is-active{
  color:var(--white);
  border-left-color:var(--brand);
  background:rgba(240,90,60,.12);
}

.page-products .index-rail__num{color:var(--brand);font-size:11px;flex:none;}

.page-products .index-rail__foot{
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px solid rgba(94,116,138,.28);
  font-size:12px;
  line-height:1.7;
  color:var(--mist);
  word-break:break-all;
}

/* 区块通用 */
.page-products .cat-section{margin-bottom:clamp(40px,6vw,72px);}
.page-products .cat-section:last-of-type{margin-bottom:0;}

.page-products .cat-section__head{max-width:64ch;margin-bottom:clamp(18px,2.4vw,26px);}

.page-products .cat-section__head h2{
  margin:8px 0 0;
  font-size:clamp(23px,3.4vw,34px);
  line-height:1.24;
  letter-spacing:-.015em;
  font-weight:900;
  color:var(--white);
}

.page-products .cat-section__head h2::after{
  content:"";
  display:block;
  width:52px;
  height:3px;
  margin-top:14px;
  background:var(--brand);
}

.page-products .cat-section__head .muted{
  margin-top:12px;
  font-size:15px;
  line-height:1.78;
  color:var(--mist);
}

.page-products .cat-figure{margin:0 0 clamp(18px,2.4vw,26px);}
.page-products .cat-figure img{width:100%;height:auto;display:block;object-fit:cover;}

/* 筛选 */
.page-products .filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:clamp(16px,2.2vw,22px);
}

.page-products .filter-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 13px;
  border:1px solid var(--line-soft);
  border-radius:999px;
  background:rgba(18,42,64,.7);
  color:var(--mist);
  font-family:var(--font-sans);
  font-size:13px;
  line-height:1.1;
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease,background .18s ease;
}

.page-products .filter-chip:hover{color:var(--white);border-color:var(--line-strong);}

.page-products .filter-chip.is-active,
.page-products .filter-chip[aria-pressed="true"]{
  color:var(--white);
  border-color:var(--mint);
  background:rgba(53,196,160,.16);
}

.page-products .filter-chip__count{
  font-family:var(--font-mono);
  font-size:11px;
  color:var(--amber);
}

/* 目录墙 */
.page-products .cat-wall{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:var(--cat-gap);
}

.page-products .cat-card{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:9px;
  min-width:0;
  padding:16px 16px 14px;
  border:1px solid var(--line-soft);
  border-radius:var(--cat-radius);
  background:linear-gradient(165deg,var(--cat-panel-a),var(--cat-panel-b));
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}

.page-products .cat-card::before{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:3px;
  border-radius:var(--cat-radius) 0 0 var(--cat-radius);
  background:transparent;
  transition:background .2s ease;
}

.page-products .cat-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow);
}

.page-products .cat-card:hover::before{background:var(--brand);}

.page-products .cat-card__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  flex-wrap:wrap;
}

.page-products .cat-card__code{
  font-size:12px;
  color:var(--amber);
  letter-spacing:.02em;
}

.page-products .cat-card__title{
  margin:0;
  font-size:17px;
  line-height:1.35;
  font-weight:700;
  color:var(--white);
}

.page-products .cat-card__text{
  margin:0;
  font-size:14px;
  line-height:1.72;
  color:var(--mist);
}

.page-products .cat-card__foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
  margin-top:auto;
  padding-top:8px;
  border-top:1px solid rgba(94,116,138,.22);
  font-size:12px;
}

.page-products .copy-btn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid rgba(94,116,138,.5);
  border-radius:999px;
  background:transparent;
  color:var(--mist);
  font-family:var(--font-sans);
  font-size:11px;
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease;
}

.page-products .copy-btn:hover{color:var(--white);border-color:var(--brand);}
.page-products .copy-btn[data-copied]{color:var(--mint);border-color:var(--mint);}

.page-products .copy-btn [data-copy-note]{font-family:var(--font-mono);font-size:10px;}

.page-products .cat-card__sub{
  border-top:1px dashed rgba(94,116,138,.3);
  padding-top:8px;
}

.page-products .cat-card__sub summary{
  cursor:pointer;
  list-style:none;
  font-size:12px;
  color:var(--mint-soft);
  line-height:1.5;
}

.page-products .cat-card__sub summary::-webkit-details-marker{display:none;}

.page-products .cat-card__sub summary::after{content:" +";}

.page-products .cat-card__sub[open] summary::after{content:" –";}

.page-products .cat-card__sub ul{
  list-style:none;
  margin:8px 0 0;
  padding:0;
  display:grid;
  gap:4px;
}

.page-products .cat-card__sub li{
  display:flex;
  gap:8px;
  font-size:12px;
  color:var(--mist);
  line-height:1.5;
}

.page-products .cat-card__sub .mono{color:var(--line);font-size:11px;}

/* 厂商专区 */
.page-products .vendor-dims{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:var(--cat-gap);
  margin-bottom:clamp(16px,2.2vw,22px);
}

.page-products .dim-block{
  padding:18px;
  border:1px solid var(--line-soft);
  border-radius:var(--cat-radius);
  background:linear-gradient(150deg,rgba(53,196,160,.1),rgba(11,27,43,.92) 62%);
}

.page-products .dim-block--alt{
  background:linear-gradient(150deg,rgba(240,90,60,.12),rgba(11,27,43,.92) 62%);
}

.page-products .dim-block h3{
  margin:0;
  display:flex;
  align-items:baseline;
  gap:10px;
  font-size:17px;
  color:var(--white);
}

.page-products .dim-block__num{
  font-size:22px;
  font-weight:700;
  color:var(--amber);
}

.page-products .dim-block p{
  margin:10px 0 14px;
  font-size:14px;
  line-height:1.72;
  color:var(--mist);
}

.page-products .dim-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:6px 12px;
}

.page-products .dim-list li{
  display:flex;
  gap:8px;
  align-items:baseline;
  font-size:13px;
  color:var(--mist);
  padding:5px 0;
  border-bottom:1px solid rgba(94,116,138,.18);
}

.page-products .dim-list .mono{font-size:11px;color:var(--line);flex:none;}

.page-products .vendor-notes{
  padding:16px 18px;
  border-left:3px solid var(--mint);
  border-radius:0 var(--cat-radius) var(--cat-radius) 0;
  background:rgba(18,42,64,.6);
}

.page-products .vendor-notes p{
  margin:0 0 10px;
  font-size:14px;
  line-height:1.78;
  color:var(--mist);
}

.page-products .vendor-notes p:last-child{margin-bottom:0;}
.page-products .vendor-notes a{color:var(--mint-soft);}

/* 编号说明 */
.page-products .code-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:var(--cat-gap);
  margin-bottom:clamp(18px,2.4vw,26px);
}

.page-products .code-sample{
  padding:20px;
  border:1px solid var(--line-soft);
  border-radius:var(--cat-radius);
  background:
    linear-gradient(160deg,rgba(11,27,43,.96),rgba(23,53,83,.9)),
    repeating-linear-gradient(0deg,transparent 0 26px,rgba(94,116,138,.12) 26px 27px);
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:12px;
}

.page-products .code-sample__value{
  font-size:clamp(18px,2.6vw,24px);
  font-weight:700;
  color:var(--white);
  letter-spacing:.04em;
  padding-bottom:8px;
  border-bottom:3px solid var(--brand);
  word-break:break-all;
}

.page-products .code-sample__hint{
  margin:0;
  font-size:12px;
  color:var(--mist);
  line-height:1.6;
}

.page-products .code-parts{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:1px;
  background:var(--line-soft);
  border:1px solid var(--line-soft);
  border-radius:var(--cat-radius);
  overflow:hidden;
}

.page-products .code-parts li{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:11px 14px;
  background:rgba(18,42,64,.86);
}

.page-products .code-part__key{
  flex:none;
  min-width:44px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
}

.page-products .code-part__desc{
  font-size:13px;
  line-height:1.6;
  color:var(--mist);
}

.page-products .tag-legend{
  padding:16px 18px;
  border:1px solid var(--line-soft);
  border-radius:var(--cat-radius);
  background:rgba(18,42,64,.5);
}

.page-products .tag-legend__title{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mint);
}

.page-products .tag-legend ul{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:9px;
}

.page-products .tag-legend li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  line-height:1.6;
  color:var(--mist);
}

/* 场景入口 */
.page-products .scene-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:var(--cat-gap);
}

.page-products .scene-card{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:18px;
  border:1px solid var(--line-soft);
  border-radius:var(--cat-radius);
  background:linear-gradient(170deg,var(--cat-panel-a),var(--cat-panel-b));
  color:inherit;
  text-decoration:none;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}

.page-products .scene-card:hover,
.page-products .scene-card:focus-visible{
  transform:translateY(-2px);
  border-color:var(--brand);
  background:linear-gradient(170deg,rgba(240,90,60,.14),var(--cat-panel-b));
}

.page-products .scene-card__num{
  font-size:12px;
  color:var(--brand);
  letter-spacing:.08em;
}

.page-products .scene-card h3{
  margin:0;
  font-size:16px;
  line-height:1.4;
  font-weight:700;
  color:var(--white);
}

.page-products .scene-card p{
  margin:0;
  font-size:13px;
  line-height:1.72;
  color:var(--mist);
}

.page-products .scene-card__go{
  margin-top:auto;
  padding-top:10px;
  font-size:13px;
  color:var(--mint-soft);
  display:inline-flex;
  gap:6px;
  align-items:center;
}

/* 维护节奏 */
.page-products .cat-rhythm{
  list-style:none;
  margin:0 0 clamp(20px,3vw,30px);
  padding:0;
  display:grid;
  gap:1px;
  background:var(--line-soft);
  border:1px solid var(--line-soft);
  border-radius:var(--cat-radius);
  overflow:hidden;
}

.page-products .cat-rhythm li{
  display:grid;
  gap:6px;
  padding:16px 18px;
  background:rgba(18,42,64,.8);
}

.page-products .cat-rhythm__num{
  font-size:12px;
  letter-spacing:.06em;
  color:var(--amber);
}

.page-products .cat-rhythm h3{
  margin:0 0 6px;
  font-size:16px;
  line-height:1.4;
  color:var(--white);
}

.page-products .cat-rhythm p{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--mist);
}

/* 移动端适配说明 */
.page-products .mobile-note{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(16px,2.4vw,26px);
  align-items:start;
  padding:clamp(16px,2.4vw,24px);
  border-radius:var(--cat-radius);
  border:1px solid var(--line-soft);
  background:linear-gradient(140deg,rgba(53,196,160,.09),rgba(11,27,43,.9) 55%,rgba(240,90,60,.08));
}

.page-products .mobile-note__text{min-width:0;}

.page-products .mobile-note h3{
  margin:0 0 10px;
  font-size:18px;
  line-height:1.4;
  color:var(--white);
}

.page-products .mobile-note p{
  margin:0 0 10px;
  font-size:14px;
  line-height:1.78;
  color:var(--mist);
}

.page-products .mobile-note p:last-child{margin-bottom:0;}
.page-products .mobile-note a{color:var(--mint-soft);}
.page-products .mobile-note .cat-figure{margin:0;}

.page-products .cat-cta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:clamp(24px,3.4vw,34px) 0 0;
}

/* 平板 */
@media (min-width:640px){
  .page-products .cat-stats{grid-template-columns:repeat(4,minmax(0,1fr));}
  .page-products .cat-wall{grid-template-columns:repeat(2,minmax(0,1fr));}
  .page-products .vendor-dims{grid-template-columns:repeat(2,minmax(0,1fr));}
  .page-products .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .page-products .code-layout{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;}
  .page-products .cat-rhythm li{grid-template-columns:96px minmax(0,1fr);gap:16px;align-items:baseline;}
  .page-products .mobile-note{grid-template-columns:minmax(0,1fr) minmax(0,.8fr);}
}

/* 桌面 */
@media (min-width:1000px){
  .page-products .cat-hero{grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);align-items:start;}
  .page-products .layout-rail{grid-template-columns:minmax(0,1fr) 248px;}
  .page-products .index-rail{position:sticky;top:18px;align-self:start;}
  .page-products .cat-wall{grid-template-columns:repeat(12,minmax(0,1fr));}
  .page-products .cat-card{grid-column:span 4;}
  .page-products .cat-card--half{grid-column:span 6;}
  .page-products .cat-card--third{grid-column:span 4;}
  .page-products .cat-card--quarter{grid-column:span 3;}
  .page-products .cat-card--half .cat-card__title{font-size:19px;}
  .page-products .scene-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .page-products .mobile-note{grid-template-columns:minmax(0,1fr) 340px;}
}

@media (prefers-reduced-motion:reduce){
  .page-products .cat-card,
  .page-products .scene-card,
  .page-products .filter-chip,
  .page-products .copy-btn,
  .page-products .index-rail__link{transition:none;}
  .page-products .cat-card:hover,
  .page-products .scene-card:hover{transform:none;}
}
<<<PAGE_CSS_DONE>>>