@page{size:297mm 210mm;margin:0}
html,body{width:297mm;height:210mm;background:#fff}
.sheet{width:297mm;height:210mm;display:grid;grid-template-columns:repeat(4,70mm);grid-template-rows:repeat(2,100mm);gap:0;padding:5mm 8.5mm;justify-content:start;align-items:start}
.card{width:70mm;height:100mm;flex-shrink:0;border-radius:0;box-shadow:none;outline:.15mm dashed #999;outline-offset:-.075mm;break-inside:avoid}
@media print{html,body{width:297mm;height:210mm}.sheet{padding:5mm 8.5mm;gap:0}}