.jztagtree {
  padding: 10px;
  position: fixed;
  z-index: 99;
  opacity: 0;
  top: 100%;
  transition: all .5s ease 0s;
  overflow-x: hidden;
  overflow-y: auto;
  max-height: 85vh;
}
.jzDown {
  opacity: 1;
  visibility: visible;
  top: 10vh;
}

.jztagtree ul {
  padding: 0 0 0 40px!important;
  margin: 0 0 0 -20px!important;
}
.jztagtree li {
  margin: 0;
  padding: 10px 5px 0 5px;
  position: relative;
  list-style-type: none;
}
.jztagtree li::before, .jztagtree li::after {
  content: '';
  left: -20px;
  position: absolute;
  right: auto
}
.jztagtree li::before {
  border-left: 1px solid #cecece;
  bottom: 50px;
  height: 100%;
  top: -4px;
  width: 1px
}
.jztagtree li::after {
  border-top: 1px solid #cecece;
  height: 20px;
  top: 25px;
  width: 25px
}
.jztagtree li a {
  position: relative;
  z-index: 1;
  background-color: #448EF6;
  height: 28px;
  display: inline-block;
  padding: 0 8px 0 5px;
  font-size: 14px;
  line-height: 28px;
  color: white;
}
.jztagtree li a:before {
  content: "";
  position: absolute;
  z-index: -1;
  border-top: 14px solid transparent;
  border-right: 10px solid #448EF6;
  border-bottom: 14px solid transparent;
  left: -10px;
}
.jztagtree li a {
  cursor: pointer
}
.jztagtree > ul > li::before, .jztagtree > ul > li::after {
  border: 0
}
.jztagtree li:last-child::before {
  height: 30px
}
.jztagtree li a:hover {
  background: #0045a6;
  color: #fff;
}
.jztagtree li a:hover::before {
  border-right: 10px solid #0045a6;
}