html画出一张带有不规则表格的A4纸

如何画出一张带有表格的A4纸：

image.png

html：

<div class="page">
    <table border="1">
        <tr class="tr-1">
            <td><div>单位名称</div></td>
            <td>
                <div class="input"></div>
            </td>
            <td><div>统一社会信用代码</div></td>
            <td>
                <div class="input"></div>
            </td>
        </tr>
        <tr class="tr-2">
            <td colspan="1"><div>吊销范围</div></td>
            <td colspan="9">
                <div>

                </div>
            </td>
        </tr>
        <tr class="tr-3">
            <td colspan="1"><div>吊销原因</div></td>
            <td colspan="9">
                <div>

                </div>
            </td>
        </tr>
        <tr class="tr-4">
            <td colspan="1" rowspan="4"><div>吊销来源</div></td>
            <td colspan="9" rowspan="4">
                <div class="check-box">
                </div>
            </td>
        </tr>
    </table>
</div>

css：

  .page {
            width: 21cm;
            min-height: 29.7cm;
            padding: 2cm;
            margin: 1cm auto;
            border: 1px #D3D3D3 solid;
            border-radius: 5px;
            background: white;
            box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
            position: relative;
        }

        @page {
            size: A4;
            margin: 0;
        }
        @media print {
            .page {
                margin: 0;
                border: initial;
                border-radius: initial;
                width: initial;
                min-height: initial;
                box-shadow: initial;
                background: initial;
                page-break-after: always;
            }
        }
        table{
            border-collapse: collapse; /*去掉双重的border*/
            width: 21cm;
            height: 29.7cm;
            font-size: 14px;
            text-align: center;
        }
        table tr:nth-child(1) td{
            width: 25%;
        }

A4的大小：21cm*29.7cm（width:794px;）。
单位换算：1 inch = 2.54 cm 1mm = 96 px 1 cm = 37.79528 px