@page {
  margin: 0; /* 去除浏览器默认打印的页眉（时间、标题）和页脚（网址、页码） */
}

@media print {
  body {
    padding-top: 0;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  .page-padding {
    height: 50px;
  }
  .container {
    width: 970px;
    height: 1372px;
    margin: 0 auto;
    border-radius: 0;
    top: 0;
  }
  .pdf {
    display: none;
  }
  .last-modified {
    position: fixed;
    z-index: 1;
    width: 970px;
    top: auto;
    bottom: 30px;
    text-align: left;
    padding-left: 50px;
    color: #bbbbbb;
  }
  footer {
    position: fixed;
    z-index: 1;
    width: 970px;
    bottom: 0px;
    left: 50%;
    transform: translateX(-50%);
    text-align: right;
    padding-right: 45px;
  }
  footer.github-footer {
    display: none;
  }
  footer.print-footer {
    display: block;
  }
  footer.print-footer .footer-link {
    font-size: 12px;
    margin: 0;
  }
}