.left_tree_box {
    width: 215px;
    position: sticky;
    top: 80px;
}

.left_tree_box .arrow-icon {
    position: absolute;
    right: 0;
    top: 0;
    font-size: 14px;
    transition: transform .35s;
}

.left_tree_box .layui-menu-item-up .arrow-icon {
    
}

.left_tree_box .layui-menu .layui-menu-item-group > .layui-menu-body-title {
    color: #222;
    font-size: 15px;
}

.left_tree_box .layui-menu .layui-menu-item-group .menu_child_li {
    font-size: 14px;
    color: #565656;
    padding: 5px 20px;
}

.left_tree_box .layui-menu .layui-menu-item-group .menu_child_li .tag {
    color: #ff5050;
    font-size: 12px;
    padding: 0 5px;
    user-select: none;
    margin-left: 5px;
    border: 1px solid #ff5050;
    border-radius: 20px 20px 20px 0;
}

.left_tree_box .layui-menu .layui-menu-item-checked,
.left_tree_box .layui-menu .layui-menu-item-checked2 {
    color: var(--primary-color) !important;
    background-color: #ebebff !important;
}

.left_tree_box .layui-menu .layui-menu-item-group .menu_child_li:hover {
    background-color: #ebebff !important;
}

.left_tree_box .layui-menu .layui-menu-item-checked:after {
    border-width: 0;
}

.left_tree_box .layui-menu .layui-menu-item-group .menu_child_li:last-child {
    margin-bottom: 30px;
}