.box{border:2px solid #ff3b20;background:rgba(255,59,32,.1);pointer-events:none}.box.image{border-color:#1b7fff;background:rgba(27,127,255,.12)}.box em{position:absolute;left:0;top:-16px;background:#ff3b20;color:#fff;font:9px Arial;padding:2px 4px;font-style:normal}.box.image em{background:#1b7fff}.canvas.selecting{cursor:crosshair}.slide-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.mark-image{border:1px solid var(--ink);background:#fff;padding:8px 11px;font-weight:700;cursor:pointer}.hint{display:block;margin-top:7px}.editor{max-height:520px}.editor h3{font-size:16px;margin:4px 0 10px}.editor-row textarea{min-width:0;flex:1;min-height:48px;resize:vertical;border:1px solid var(--line);background:white;padding:9px;font:14px Arial}.image-row{align-items:center;border:1px solid #7ab5ff;padding:8px}.image-row span{flex:1}