.left-nav{width:280px;height:826px;background-color:#fff;display:flex;flex-direction:column;align-items:center}.user-img{margin:40px 0 20px;width:100px;height:100px;border-radius:50px}.user-name{margin-bottom:9px;font-size:20px;font-family:PingFang SC;font-weight:600;color:#3b3835}.time{margin-bottom:46px;font-size:14px;font-family:PingFang SC;font-weight:400;color:#4f5253}.left-nav li{text-align:center;text-indent:-1rem;line-height:60px;width:280px;height:60px;background-color:transparent;box-sizing:border-box;border-left:8px solid transparent;font-size:16px;font-family:PingFang SC;font-weight:400;color:#4f5253;cursor:pointer}.left-nav .li-change{background-color:#f4f4f4;border-left:8px solid #c93d2b;color:#c93d2b}.out{margin:161px 0 39px;font-size:16px;font-family:PingFang SC;font-weight:400;color:#c93d2b;cursor:pointer}