.subDirectoryTitle{
    padding: 6px 14px;
    font-size: 14px;
    font-weight: bold;
    color: #fff;
    background-color: #808080;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.subDirectoryTitle .foldIcon{
    cursor: pointer;
}

.isFoldSubDirectory {
    width: 50px;
}

.isFoldSubDirectory .subDirectoryTitle .title,
.isFoldSubDirectory .subDirectoryContent{
    display: none;
}

.isFoldSubDirectory .subDirectoryTitle{
    justify-content: center;
    background-color: #808080cc;
}

.isFoldSubDirectory .subDirectoryTitle .foldIcon{
    transform: rotate(180deg);
}

.subDirectory{
    position: fixed;
    top: 0;
    right: 0;
    background-color: #fff;
    box-shadow: 8px -8px 10px 0px #ddd, -1px 1px 10px 0px #ddd;;
}

.subDirectory ul{
    box-sizing: border-box;
    min-width: 180px;
    padding: 8px 14px;;
    margin: 0;
}

.subDirectory ul li{
    padding: 0;
    cursor: pointer;
    color: #000;
    font-size: 14px;
    margin-bottom: 0
}
.subDirectory ul li:not(:last-child){
    margin-bottom: 8px;
}
.subDirectory ul li:hover {
    color: #0000ee;
}

@keyframes height-light-title {
    0% {
        background-color: #e6a23c;
    }
    35% {
        background-color: transparent;
    }
    55% {
        background-color: #e6a23c;
    }
    100% {
        background-color: transparent;
    }
}

.isHeightLight{
    animation: height-light-title 2s 1ms infinite
}