.menu {
    padding: 20px;
    width: 180px;
    height: calc(100vh - 123px);
}
.cate1 {
  margin-bottom: 10px;
}
.cate1 a {
	color: #000000;
  text-decoration-line: none;
}
.label1 {
  display: block;
  margin-bottom: 0px;
  margin-left: 0;
  cursor: pointer;
  z-index: -500;
}
.menu ul {
  position: relative;
  top: -10px;
  left: 10px;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  -o-transition: all 0.5s;
  transition: all 0.5s;
  margin: 0;
  padding: 0;
  list-style: none;
  width: 100%;
}
.menu li {}
input[type="checkbox"].on-off {
  display: none;
}
input[type="checkbox"].on-off + ul {
  height: 0;
  overflow: hidden;
}
.menu1 {}
input[type="checkbox"].on-off:checked#Panel1 + ul {
  height: 145px;
}