body,html{
    background-color: #e8e8e8;
}
.left-nav {
    padding-top: 3rem;
    background-color: #fff;
}
.left-nav,.sidebar{
    height: 100%;
}
.left-nav .avatar {
    position: relative;
    text-align: center;
    margin-bottom: 1.5rem;
}
.left-nav .avatar .avatar-img {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    border: 1px solid hsla(0,0%,53.3%,.3);
    cursor: pointer;
}
.left-nav .avatar i {
    position: absolute;
    left: 50%;
    margin-left: 2rem;
    cursor: pointer;
    font-size: 1.5rem;
    top: 95px;
    background-color: hsla(0,0%,100%,.8);
    border-radius: 50%;
    padding: 0 6px;
    color: #888;
}
.left-nav .avatar p {
    color: #888;
    font-size: 1.125rem;
    padding: 0 1rem;
    margin-top: 10px;
}
.left-nav .ment-link {
    display: flex;
    height: 3rem;
    padding: 0 1.5rem 0;
    justify-content: space-between;
    font-size: 1rem;
    align-items: center;
    border-top: 1px solid #e8e8e8;
    color: #353535;
}
.left-nav .ment-link span {
    flex-grow: 1;
    margin-left: 10px;
}
.left-nav .ment-link .arrow {
    color: #888;
}
.logout {
    margin: 30px 0;
    padding: 0 2rem 0;
}
.mybtn {
    width: 100%;
    height: 48px;
    margin-top: 20px;
    border-radius: 3px;
    border: none;
    color: #fff;
    font-size: 1.125rem;
    background-color: #1e77bd;
    cursor: pointer;
    transition: all .5s ease-out;
}
.van-nav-bar .van-icon,.van-nav-bar__text{
    color: #1e77bd;
}
.left-nav .avatar p img{
    width: 20px;
    height: 20px;
    display: inline;
}