.csum .ng-cell.ng-block{background:var(--cell-strong)}.csum .ng-cell.csum-clue{background-image:linear-gradient(to bottom left,transparent calc(50% - 1px),color-mix(in srgb,var(--cell) 70%,transparent) 50%,transparent calc(50% + 1px));color:var(--cell)}.csum .csum-a,.csum .csum-d{position:absolute;font-size:calc(100cqw / var(--cols) * .3);font-weight:750;line-height:1}.csum .csum-a{top:9%;right:9%}.csum .csum-d{bottom:9%;left:9%}.csum .ng-helper{min-height:3.6em}.csum .ng-helper>div>div{margin:2px 0}