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var(--ink);background:var(--lime);border-radius:50%;width:14px;height:14px;position:absolute}.ed-handle[data-h=nw]{cursor:nwse-resize;top:-9px;left:-9px}.ed-handle[data-h=ne]{cursor:nesw-resize;top:-9px;right:-9px}.ed-handle[data-h=sw]{cursor:nesw-resize;bottom:-9px;left:-9px}.ed-handle[data-h=se]{cursor:nwse-resize;bottom:-9px;right:-9px}.ed-save{border-top:2px solid var(--ink);margin:0;padding:18px}.modal{border:2px solid var(--ink);background:var(--card);width:min(720px,100vw - 24px);max-height:calc(100vh - 24px);box-shadow:8px 8px 0 var(--ink);color:var(--ink);border-radius:26px;padding:24px}.modal::backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#1413128c}.modal-head{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.sig-pad{aspect-ratio:1000/360;touch-action:none;cursor:crosshair;background:#fff;border:2px dashed 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10px;display:inline-grid}.sheet-formula{flex:1;min-width:180px;min-height:38px}.sheet-bar{border-bottom:2px solid var(--ink);background:var(--card);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;padding:8px 14px;display:flex}.sheet-tabs{gap:6px;display:flex;overflow-x:auto}.sheet-tab{border:1.5px solid var(--ink);cursor:pointer;background:#fff;border-radius:10px;flex:none;padding:6px 12px;font-size:13px;font-weight:600}.sheet-tab[aria-selected=true]{background:var(--ink);color:var(--lime)}.sheet-add,.sheet-del{min-width:34px}.sg-wrap{background:#fff;outline:none;height:62vh;min-height:320px;font-size:14px;position:relative;overflow:auto}.sg-wrap:focus-visible{box-shadow:inset 0 0 0 3px var(--blue)}.sg-inner{min-width:100%;position:relative}.sg-row{height:32px;display:grid;position:absolute;left:0}.sg-head{z-index:3}.sg-cell,.sg-colname,.sg-num{white-space:nowrap;text-overflow:ellipsis;background:#fff;border-bottom:1px solid #e6e1d6;border-right:1px solid #e6e1d6;height:32px;padding:0 8px;line-height:31px;overflow:hidden}.sg-cell{cursor:cell}.sg-cell.is-num{text-align:right;font-variant-numeric:tabular-nums}.sg-cell.is-sel{z-index:1;box-shadow:inset 0 0 0 2px var(--blue);background:#eef1ff;position:relative}.sg-num{z-index:2;background:var(--paper-2);color:var(--ink-soft);font:500 12px/31px var(--mono);text-align:center;position:sticky;left:0}.sg-colname{background:var(--paper-2);color:var(--ink-soft);font:600 12px/31px var(--mono);text-align:center}.sg-colname.is-active{background:var(--lime);color:var(--ink)}.sg-corner{z-index:4}.sg-headerrow .sg-cell{background:#f7f4ec;font-weight:700}.sg-editor{z-index:6;box-sizing:border-box;border:2px solid var(--blue);font:14px var(--body);background:#fff;outline:none;padding:0 8px;position:absolute;box-shadow:0 6px 18px #0000001f}.sheet-preview-wrap{border:1.5px solid var(--ink);background:#fff;border-radius:14px;max-height:420px;margin-top:16px;overflow:auto}.sheet-preview{border-collapse:collapse;min-width:100%;font-size:13px}.sheet-preview th,.sheet-preview td{white-space:nowrap;text-overflow:ellipsis;text-align:left;border:1px solid #e6e1d6;max-width:260px;padding:6px 10px;overflow:hidden}.sheet-preview th{background:#f7f4ec;font-weight:700;position:sticky;top:0}.sheet-preview-wrap .small{margin:0;padding:8px 12px}.breadcrumbs{font:600 13px/1.4 var(--mono);color:var(--ink-soft);flex-wrap:wrap;gap:6px;margin-bottom:20px;display:flex}.breadcrumbs a:hover{color:var(--ink);text-decoration:underline}.tool-faq{max-width:860px;margin-top:70px}.tool-faq details{border-bottom:1.5px solid var(--line)}.tool-faq summary{font:700 18px/1.3 var(--display);letter-spacing:-.01em;cursor:pointer;padding:18px 40px 18px 0;list-style:none;position:relative}.tool-faq summary::-webkit-details-marker{display:none}.tool-faq summary:after{content:"+";font:800 24px/1 var(--display);transition:transform .3s var(--ease);position:absolute;top:14px;right:6px}.tool-faq details[open] summary:after{transform:rotate(45deg)}.tool-faq details p{color:var(--ink-soft);max-width:70ch;margin:-4px 0 18px}.prose{max-width:760px;margin-top:44px;font-size:18px;line-height:1.7}.prose h2{font:800 clamp(1.6rem, 3vw, 2.2rem)/1.05 var(--display);letter-spacing:-.03em;margin:42px 0 10px}.prose p,.prose ul{color:var(--ink-soft);margin:0 0 16px}.prose strong{color:var(--ink)}.prose ul{padding-left:22px}.prose li{margin-bottom:6px}.prose a{color:var(--ink);text-underline-offset:3px;font-weight:600;text-decoration:underline;text-decoration-thickness:2px}.prose a:hover{-webkit-text-decoration-color:var(--blue);text-decoration-color:var(--blue)}.tool-app{min-height:366px}@media (width<=620px){.tool-app{min-height:267px}}