.main{
    width: 1200px;
    margin: 0 auto;
    min-height: calc(100vh - 403px);
    padding: 20px 0;
}

.list {
    margin-right: 40px;
    flex: 1;
}
.list ul {
    padding-top: 10px;
    min-height: calc(100vh - 529px);
}
.list ul li::before{
    content: '∵';
    margin-right: 10px;
    color: #1989fa;
    transform: rotate(90deg);
    display: inline-block;
    vertical-align: 10px;
}
.list ul li a{
    white-space: nowrap;
    display: inline-block;
    overflow: hidden;
    text-overflow: ellipsis;
    overflow: hidden;
    max-width: 90%;
    line-height: 36px;
}
.list ul li a:hover{
    color: #0A6EDD;
}
.list ul li time {
    float: right;
    padding-left: 10px;
    font-size: 15px;
    color: #999;
    line-height: 36px;
}

.list-content {
    display: flex;
    justify-content:space-between;
    /*margin: 20px 0;*/
}
.list-menu {
    margin-right: 20px;
    width: 260px;
    background: #f8f9f9;
}
.list-menu-title {
    background: #1989fa;
    color: #fff;
    font-size: 22px;
    font-weight: bold;
    line-height: 60px;
    padding: 0 20px;
}
.list-menu ul{
    padding: 10px 0;
}
.list-menu ul li a{
    padding: 0 20px;
    line-height: 40px;
    display: inline-block;
    border-left: 2px transparent solid;
    width: 100%;
    margin: 5px 0;
}
.list-menu ul li a:hover{
    color: #1989fa;
}
.list-menu ul li.active a{
    color: #1989fa;
    border-left: 2px #1989fa solid;
    background: #fff;
}
.list-content .list {
    flex: 1;
    width: 0;
}
.list-content .list li {
    border-bottom: 1px #ddd dashed;
    margin: 5px 0;
    padding: 4px 0;
    cursor:pointer;
}
.list-content .list li:last-child {
    border: 0;
}