.document-nav li {
  margin-bottom: 10px;
}
/*黑料正能量张津瑜 Component - Anchorfy v0.1*/
.rc-anchorfy-link {
  -webkit-appearance: none;
  position: relative;
  background: 0;
  border: 0;
  width: 18px;
  height: 18px;
  margin: 0 8px;
  vertical-align: middle;
  background: no-repeat center url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24' viewBox='0 0 24 24' width='24'%3E%3Cpath d='M0 0h24v24H0z' fill='none'/%3E%3Cpath d='M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z' fill='%23000000'/%3E%3C/svg%3E");
  background-size: contain;
  cursor: pointer;
  opacity: 0;
  transition: .3s opacity;
}
.keynav-mode .rc-anchorfy-link:focus, .rc-anchorfy-heading:hover .rc-anchorfy-link {
  opacity: 1;
}
.rc-anchorfy-link span {
  position: absolute;
  top: 0;
  left: -999em;
  transform: translate(-50%,calc(-100% - 3px));
  opacity: 0;
  background: #fff;
  color: #000;
  white-space: nowrap;
  font-size: 13px;
  padding: 3px 6px 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,.4);
  transition: .3s opacity;
}
.keynav-mode .rc-anchorfy-link:focus span, .rc-anchorfy-link:hover span {
  left: 50%;
  opacity: 1;
}