.page-products{
  --pr-gap: clamp(18px,2.6vw,30px);
  --pr-muted:#4B5160;
  background: var(--paper);
  color: var(--graphite);
}

.page-products img{ display:block; max-width:100%; height:auto; }

/* ---------- 通用区块 ---------- */
.page-products .pr-band{
  padding: clamp(40px,6vw,84px) 0;
  position: relative;
}
.page-products .pr-band--paper{ background: var(--paper); }
.page-products .pr-band--ruled{ border-top:2px solid var(--graphite); }
.page-products .pr-band--ink{
  background:
    radial-gradient(circle at 88% 6%, rgba(124,92,255,.22), transparent 58%),
    radial-gradient(circle at 4% 92%, rgba(61,224,207,.12), transparent 60%),
    var(--ink);
  color: var(--card);
  overflow: hidden;
}
.page-products .pr-band--ink::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity:.3;
  pointer-events:none;
}
.page-products .pr-band--ink > .container{ position: relative; z-index:1; }

.page-products .pr-section-head{
  max-width: 760px;
  margin-bottom: clamp(22px,3.6vw,42px);
}
.page-products .pr-section-head h2{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px,4.2vw,42px);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 10px 0 12px;
  color: var(--graphite);
}
.page-products .pr-sub{
  margin: 0;
  font-size: clamp(14px,1.6vw,16px);
  line-height: 1.8;
  color: var(--pr-muted);
  max-width: 36em;
}
.page-products .pr-section-head--dark h2{ color: var(--card); }
.page-products .pr-sub--dark{ color: rgba(252,249,242,.74); }

/* ---------- 首屏 ---------- */
.page-products .pr-hero{
  position: relative;
  padding: clamp(26px,4.6vw,58px) 0 clamp(36px,5.6vw,76px);
  background:
    radial-gradient(circle at 84% 8%, rgba(124,92,255,.3), transparent 56%),
    radial-gradient(circle at 8% 84%, rgba(61,224,207,.16), transparent 62%),
    var(--ink);
  color: var(--card);
  overflow: hidden;
}
.page-products .pr-hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity:.34;
  pointer-events:none;
}
.page-products .pr-hero::after{
  content:"";
  position:absolute;
  width: min(560px,90vw);
  aspect-ratio: 1;
  right: -18%;
  top: -22%;
  border:1px solid rgba(159,178,216,.28);
  border-radius:50%;
  pointer-events:none;
}
.page-products .pr-hero-grid{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(20px,3vw,36px);
  align-items: start;
}
.page-products .pr-crumb{
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}
.page-products .pr-crumb:hover{ color: var(--pulse); border-color: var(--pulse); }
.page-products .crumbs--dark .crumb-current{ color: var(--card); }

.page-products .pr-eyebrow{
  margin: 18px 0 10px;
  color: var(--pulse);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
}
.page-products .pr-hero h1{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px,7.4vw,64px);
  line-height: .98;
  letter-spacing: -.03em;
  margin: 0 0 16px;
  color: var(--card);
}
.page-products .pr-hero-lead{
  margin: 0 0 22px;
  max-width: 34em;
  font-size: clamp(15px,1.7vw,17px);
  line-height: 1.8;
  color: rgba(252,249,242,.82);
}
.page-products .pr-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
}
.page-products .pr-hero-req{
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--signal);
  font-family: var(--font-mono);
  font-size: clamp(12px,1.4vw,13px);
  line-height: 1.7;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-products .pr-rail{
  display: flex;
  gap: 18px;
  align-items: flex-start;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--line-strong);
}
.page-products .pr-rail-num{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(56px,17vw,92px);
  line-height: .82;
  letter-spacing: -.06em;
  color: rgba(252,249,242,.9);
  font-variant-numeric: tabular-nums;
}
.page-products .pr-rail-meta{
  display: grid;
  gap: 8px;
  margin: 0;
  min-width: 0;
  flex: 1 1 auto;
  max-width: 280px;
}
.page-products .pr-meta-row{
  display: flex;
  gap: 10px;
  justify-content: space-between;
  align-items: baseline;
  padding-bottom: 6px;
  border-bottom: 1px dashed var(--line);
}
.page-products .pr-meta-row dt{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}
.page-products .pr-meta-row dd{
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  text-align: right;
  color: var(--card);
}
.page-products .pr-hero-media{
  margin: clamp(24px,4vw,42px) 0 0;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-dark);
  background: var(--ink-2);
}
.page-products .pr-hero-media img{ width: 100%; }

/* ---------- 版本卡 ---------- */
.page-products .pr-vcard{
  background: var(--card);
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px,2.8vw,30px);
}
.page-products .pr-vcard-top{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 14px;
  margin-bottom: 4px;
  border-bottom: 2px solid var(--graphite);
}
.page-products .pr-vname{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(18px,3vw,26px);
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-products .pr-vgrid{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0,1fr);
}
.page-products .pr-vcell{
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(35,40,51,.16);
}
.page-products .pr-vcell:last-child{ border-bottom: 0; }
.page-products .pr-vkey{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(35,40,51,.66);
}
.page-products .pr-vval{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(24px,3.6vw,34px);
  line-height: 1.05;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.page-products .pr-vdesc{
  font-size: 13px;
  line-height: 1.65;
  color: var(--pr-muted);
}
.page-products .pr-vnote{
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(35,40,51,.34);
  font-size: 14px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 三处改动 ---------- */
.page-products .pr-hl-grid{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: var(--pr-gap);
  align-items: start;
}
.page-products .pr-hl{
  background: var(--ink-2);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-dark);
  padding: clamp(18px,2.6vw,26px);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease), transform .18s var(--ease);
}
.page-products .pr-hl:hover{
  border-color: var(--pulse);
  box-shadow: 10px 10px 0 #05070F;
  transform: translate(-2px,-2px);
}
.page-products .pr-hl-head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.page-products .pr-dot{
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}
.page-products .pr-dot--pulse{
  background: var(--pulse);
  box-shadow: 0 0 0 4px rgba(61,224,207,.18);
}
.page-products .pr-dot--signal{
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(242,193,78,.16);
}
.page-products .pr-hl-idx{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: .04em;
  color: var(--print);
}
.page-products .pr-hl h3{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px,2.3vw,23px);
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 12px 0 8px;
  color: var(--card);
}
.page-products .pr-hl p{
  margin: 0;
  font-size: clamp(13px,1.5vw,15px);
  line-height: 1.8;
  color: rgba(252,249,242,.78);
}
.page-products .pr-hl-num{
  margin-top: 16px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(40px,7vw,62px);
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--pulse);
  font-variant-numeric: tabular-nums;
}
.page-products .pr-hl-num span{
  font-size: .42em;
  margin-left: 4px;
  color: var(--mist);
}
.page-products .pr-hl-media{
  margin: 18px 0 0;
  border: 2px solid var(--line-strong);
  background: var(--ink);
}
.page-products .pr-hl-media img{ width: 100%; }

/* ---------- 三种用法 ---------- */
.page-products .pr-access{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: var(--pr-gap);
}
.page-products .pr-access-card{
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px,2.4vw,24px);
  background: var(--card);
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-hard);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), border-color .18s var(--ease);
}
.page-products .pr-access-card:hover{
  transform: translate(-2px,-2px);
  box-shadow: var(--shadow-hard-lg);
  border-color: var(--blue);
}
.page-products .pr-access-tag{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--blue);
}
.page-products .pr-access-card h3{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px,2.2vw,22px);
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-products .pr-access-card > p{
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pr-muted);
}
.page-products .pr-access-list{
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-products .pr-access-list li{
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}
.page-products .pr-access-list li::before{
  content:"";
  position:absolute;
  left:0; top: .62em;
  width: 8px; height: 2px;
  background: var(--nebula);
}
.page-products .pr-inline{
  margin: clamp(20px,3vw,28px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pr-muted);
}
.page-products .pr-inline a,
.page-products .pr-inline-link{
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid rgba(43,91,255,.32);
  transition: border-color .16s var(--ease), color .16s var(--ease);
}
.page-products .pr-inline a:hover,
.page-products .pr-inline-link:hover{
  color: var(--ink);
  border-color: var(--ink);
}

/* ---------- 安装四步 ---------- */
.page-products .pr-install-media{
  margin: 0 0 clamp(20px,3vw,32px);
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-hard);
  background: var(--card);
}
.page-products .pr-install-media img{ width: 100%; }
.page-products .pr-steps{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 900px;
}
.page-products .pr-step{
  background: var(--card);
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-hard);
}
.page-products .pr-step summary{
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px,2vw,18px);
  line-height: 1.4;
  color: var(--ink);
}
.page-products .pr-step summary::-webkit-details-marker{ display:none; }
.page-products .pr-step summary::after{
  content:"+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  color: var(--blue);
}
.page-products .pr-step[open] summary::after{ content:"−"; }
.page-products .pr-step[open] summary{ border-bottom: 2px solid var(--graphite); }
.page-products .pr-step-num{
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 24px;
  background: var(--graphite);
  color: var(--card);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}
.page-products .pr-step-body{
  padding: 14px 16px 16px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pr-muted);
}
.page-products .pr-step-body p{ margin: 0; }

.page-products .pr-stuck{
  max-width: 900px;
  margin-top: clamp(22px,3vw,32px);
  padding: 16px 18px;
  background: rgba(242,193,78,.16);
  border-left: 4px solid var(--signal);
}
.page-products .pr-stuck h3{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px,2vw,18px);
  color: var(--ink);
}
.page-products .pr-stuck p{
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--graphite);
}
.page-products .pr-stuck a{
  color: var(--blue);
  text-decoration: none;
  border-bottom: 2px solid rgba(43,91,255,.32);
}
.page-products .pr-stuck a:hover{ color: var(--ink); border-color: var(--ink); }

/* ---------- 版本轨道 ---------- */
.page-products .pr-track-figure{
  margin: 0 0 clamp(22px,3.4vw,34px);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-dark);
  background: var(--ink-2);
}
.page-products .pr-track-figure img{ width: 100%; }
.page-products .pr-nodes{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 16px;
}
.page-products .pr-node{
  position: relative;
  padding: 16px 0 0;
  border-top: 2px solid var(--line-strong);
}
.page-products .pr-node::before{
  content:"";
  position: absolute;
  top: -7px; left: 0;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--mist);
}
.page-products .pr-node--now::before{
  background: var(--pulse);
  box-shadow: 0 0 0 5px rgba(61,224,207,.18);
}
.page-products .pr-node-q{
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
  margin-bottom: 6px;
}
.page-products .pr-node strong{
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px,2vw,19px);
  color: var(--card);
  margin-bottom: 6px;
}
.page-products .pr-node p{
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(252,249,242,.72);
}
.page-products .pr-node--now p{ color: rgba(252,249,242,.9); }
.page-products .pr-track-note{
  margin: clamp(20px,3vw,28px) 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(252,249,242,.7);
}
.page-products .pr-track-note a{
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 2px solid rgba(61,224,207,.36);
}
.page-products .pr-track-note a:hover{ border-color: var(--pulse); }

/* ---------- 兼容与核对 ---------- */
.page-products .pr-compat{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(22px,3.4vw,36px);
  align-items: start;
}
.page-products .pr-table-wrap{
  overflow-x: auto;
  background: var(--card);
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-hard);
  -webkit-overflow-scrolling: touch;
}
.page-products .pr-table{
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
}
.page-products .pr-caption{
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(35,40,51,.66);
  border-bottom: 1px solid rgba(35,40,51,.18);
}
.page-products .pr-table th,
.page-products .pr-table td{
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(35,40,51,.16);
  vertical-align: top;
  line-height: 1.6;
}
.page-products .pr-table thead th{
  background: var(--graphite);
  color: var(--card);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  font-weight: 600;
  border-bottom: 0;
}
.page-products .pr-table tbody th{
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--ink);
  white-space: nowrap;
}
.page-products .pr-table tbody td{ color: var(--pr-muted); }
.page-products .pr-table tbody tr{
  transition: background-color .16s var(--ease);
}
.page-products .pr-table tbody tr:hover{
  background: rgba(61,224,207,.14);
}
.page-products .pr-table tbody tr:last-child th,
.page-products .pr-table tbody tr:last-child td{ border-bottom: 0; }

.page-products .pr-check h3{
  margin: 18px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px,2.2vw,20px);
  color: var(--ink);
}
.page-products .pr-compat-media{
  margin: 0;
  border: 2px solid var(--graphite);
  box-shadow: var(--shadow-hard);
  background: var(--card);
}
.page-products .pr-compat-media img{ width: 100%; }
.page-products .pr-check-list{
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
  counter-reset: none;
}
.page-products .pr-check-list li{
  display: flex;
  gap: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pr-muted);
}
.page-products .pr-check-list li .numeric{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--card);
  background: var(--blue);
  padding: 1px 6px;
  height: 22px;
  line-height: 20px;
}
.page-products .pr-inline-link{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-products .pr-vgrid{ grid-template-columns: repeat(2,minmax(0,1fr)); }
  .page-products .pr-vcell{ padding: 16px 18px; border-bottom: 0; border-left: 1px solid rgba(35,40,51,.14); }
  .page-products .pr-vcell:nth-child(odd){ border-left: 0; padding-left: 0; }
  .page-products .pr-vcell:nth-child(n+3){ border-top: 1px solid rgba(35,40,51,.14); }
  .page-products .pr-access{ grid-template-columns: repeat(2,minmax(0,1fr)); }
  .page-products .pr-nodes{ grid-template-columns: repeat(2,minmax(0,1fr)); gap: 20px 24px; }
}

@media (min-width: 900px){
  .page-products .pr-hero-grid{
    grid-template-columns: minmax(0,1fr) 210px;
    gap: clamp(24px,3.4vw,48px);
  }
  .page-products .pr-rail{
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
    gap: 20px;
    border-top: 0;
    padding-top: 0;
    padding-left: 22px;
    border-left: 1px solid var(--line-strong);
    min-height: 100%;
  }
  .page-products .pr-rail-num{
    writing-mode: vertical-rl;
    font-size: clamp(84px,9vw,132px);
    letter-spacing: -.04em;
    align-self: flex-end;
  }
  .page-products .pr-rail-meta{ width: 100%; max-width: none; }
  .page-products .pr-meta-row{ flex-direction: column; align-items: flex-start; gap: 4px; }
  .page-products .pr-meta-row dd{ text-align: left; }
  .page-products .pr-hero h1{ max-width: 15em; }

  .page-products .pr-hl-grid{
    grid-template-columns: 1.15fr .95fr .95fr;
    align-items: start;
  }
  .page-products .pr-access{ grid-template-columns: repeat(3,minmax(0,1fr)); }
  .page-products .pr-nodes{ grid-template-columns: repeat(4,minmax(0,1fr)); gap: 24px; }
  .page-products .pr-compat{ grid-template-columns: minmax(0,1.35fr) minmax(0,1fr); }
}

@media (min-width: 1080px){
  .page-products .pr-vgrid{ grid-template-columns: repeat(4,minmax(0,1fr)); }
  .page-products .pr-vcell{ border-top: 0; padding: 6px 18px; }
  .page-products .pr-vcell:first-child{ padding-left: 0; }
  .page-products .pr-vcell:last-child{ padding-right: 0; }
  .page-products .pr-vcell:nth-child(n+3){ border-top: 0; }
}

@media (max-width: 400px){
  .page-products .pr-rail{ flex-direction: column; gap: 12px; }
  .page-products .pr-rail-meta{ max-width: none; width: 100%; }
  .page-products .pr-hl-num{ font-size: 38px; }
}

@media (prefers-reduced-motion: reduce){
  .page-products .pr-hl,
  .page-products .pr-access-card,
  .page-products .pr-table tbody tr{ transition: none; }
  .page-products .pr-hl:hover,
  .page-products .pr-access-card:hover{ transform: none; }
}
<<<END>>>