/* 演示水印：对齐算数·财税 */
.site-wm {
  position: fixed;
  inset: 0;
  z-index: 9990;
  pointer-events: none;
  overflow: hidden;
  user-select: none;
  opacity: 0.12;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='480' height='260'%3E%3Ctext x='16' y='140' fill='%231a2e28' fill-opacity='0.7' font-family='Microsoft YaHei,PingFang SC,sans-serif' font-size='16' font-weight='600' transform='rotate(-28 240 130)'%3E%E7%AE%97%E6%95%B0%E7%A7%91%E6%8A%80%20%20%E6%BC%94%E7%A4%BA%E4%BD%BF%E7%94%A8%20%20%2018016313342%20%E5%BE%AE%E4%BF%A1%E5%90%8C%E5%8F%B7%3C/text%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 480px 260px;
}
.portal-body .site-wm { opacity: 0.12; }
@media (max-width: 768px) {
  .site-wm { opacity: 0.1; background-size: 380px 210px; }
}
@media print {
  .site-wm { display: none; }
}