.toc-index {
    padding: 10px;
    border: 1px solid #ddd;
    background: #f8f8f8;
    line-height: 160%;
    font-size: 12px;
    width: 100%;
    position: relative;
    z-index: 900;
    margin: 0 0 10px 10px;
    border-radius: 5px;

}

.toc-title {
    margin: 0 0 3px 0;
    padding: 0;
    font-size: 130%;
    font-weight: bold;
}

.toc-toggle {
    font-size: 9pt;
    float: right;

}

.toc-index ul {
    padding: 0;
    margin: 0;
    font-size: 100%;
    list-style: none;
}

.toc-level3 {
    margin-left: 20px;
    list-style-type: square;
}


.toc-content {
    overflow: auto;
    /*height: 400px;*/
    max-height: 400px;
}

.toc-content::-webkit-scrollbar {
    /*滚动条整体样式*/
    width : 3px;  /*高宽分别对应横竖滚动条的尺寸*/
    height: 1px;
}
.toc-content::-webkit-scrollbar-thumb {
    /*滚动条里面小方块*/
    border-radius: 10px;
    box-shadow   : inset 0 0 5px rgba(0, 0, 0, 0.2);
    background   : #c1c1c1;
}
.toc-content::-webkit-scrollbar-track {
    /*滚动条里面轨道*/
    box-shadow   : inset 0 0 5px rgba(0, 0, 0, 0.2);
    border-radius: 10px;
    background   : #ededed;
}

@media (min-width:768px){
    .toc-index {
        max-width: 30%;
        float: right;
    }}