/* 隐藏PDF.js中的下载和打印按钮及相关功能 */
#downloadButton,
#secondaryDownload,
#printButton,
#secondaryPrint {
  display: none !important;
}

/* 禁用右键菜单中的保存选项 */
.textLayer {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  pointer-events: none;
}

/* 禁用拖拽保存功能 */
.page {
  -webkit-user-drag: none;
  -khtml-user-drag: none;
  -moz-user-drag: none;
  -o-user-drag: none;
  user-drag: none;
}