.sidebar {
    float: left;
    background-color: @sidebar-bg-color;
    border-right: 1px solid @sidebar-border-color;
    overflow-x: hidden;
    overflow-y: auto;
    height: 100%;
    cursor: pointer;
    width: 100%;
    color: @sidebar-font-color;
    &::-webkit-scrollbar {
        display: none;
    }
    a {
        color: @sidebar-font-color;
        text-decoration: none;
        &:hover {
            color: @sidebar-selected-color;
        }
    }
    .current {
        border-left-color: @sidebar-selected-color;
        color: @sidebar-selected-color;
    }
    .list-title {
        width: 100%;
        border-bottom: 1px solid @sidebar-border-color;
        line-height: 40px;
        .title-block {
            width: 100%;
            padding-left: 30px;
            display: block;
            background-color: @sidebar-list-bg-color;
        }
        .current {
            border-left-color: @sidebar-selected-color;
            color: @sidebar-selected-color;
        }
        .title-angle {
            line-height: 40px;
            margin-right: 15px;
        }
        &.is-closed {
          .title-angle {
            transition:transform .2s linear;
            transform:rotate(0deg);
          }
        }
        &.is-open {
          .title-angle {
            transition:transform .2s linear;
            transform:rotate(-180deg);
          }
        }
    }
    .list-panel {
        font-size: @sidebar-sub-font-size;
        position: relative;
        overflow: hidden;
        ul {
            padding: 0;
            margin: 0;
            list-style: none;
            .list-item {
                position: relative;
                height: 40px;
                line-height: 40px;
                // margin: 8px 0;
                cursor: pointer;
                &:before{
                  display: inline-block;
                  position: absolute;
                  background-color: @sidebar-sub-line-color;
                  content: "";
                  height: 100%;
                  width: 1px;
                  left: 38px;
                  top: 0;
                  z-index: 2;
                }
                &:last-child{
                  &:before{
                    height: calc(~"100% - 19px");
                  }
                }
                &:after{
                  display: inline-block;
                  position: absolute;
                  background-color: @sidebar-sub-line-color;
                  content: "";
                  height: 1px;
                  width: 16px;
                  left: 38px;
                  top: 20px;
                  z-index: 2;
                }
                a {
                    padding-left:58px;
                    display: block;
                    overflow: hidden;
                }
            }
        }
    }
}