.wah-term {
  font-weight: bold;
  cursor: help;
  border-bottom: 2px dotted #666;
  position: relative;
  display: inline-block;
}
.wah-term::after {
  content: attr(data-def);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background-color: #1e3a5f;
  color: #ffffff;
  padding: 8px 12px;
  border-radius: 5px;
  font-size: 0.85em;
  font-weight: normal;
  font-style: normal;
  line-height: 1.5;
  width: 260px;
  white-space: normal;
  text-align: left;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 9999;
}
.wah-term:hover::after {
  opacity: 1;
}
.wah-term.wah-edge-left::after {
  left: 0;
  transform: translateX(0);
}
.wah-term.wah-edge-right::after {
  left: auto;
  right: 0;
  transform: translateX(0);
}