*
lsh
2025-04-03 18f1c7abcea6f2eca1967141e7b5e408893c31a9
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@media print {
    @page {
        /*A4: 210mm × 297mm,size: 794px × 1123px,0边距*/
        /*171.9mm × 258.9mm,size:649px × 978px,19.05mm边距(ie浏览器默认打印边距) */
        margin: 0.3cm
    }
}