.left-list li {
    text-align: center;
    height: 40px;
    line-height: 40px;
    cursor: pointer;
    position: relative;
    list-style: none;
}

.left-list li a {
    color: #333333;
    display: inline-block;
    width: 100%;
}

.left-list li span {
    color: #656565;
    margin-right: 10px;
}

.left {
    padding: 0;
}

.left .left-list .active {
    color: #FFFFFF;
    background: #404ae7;
}

.left .left-list .active span, .left .left-list .active a {
    color: #FFFFFF;
}

.left .left-list .active i {
    width: 0;
    height: 0;
    overflow: hidden;
    font-size: 0;
    line-height: 0;
    border-width: 7px;
    border-style: solid;
    border-color: transparent transparent transparent #404ae7;
    position: absolute;
    right: -14px;
    top: 14px;
    z-index: 999;
}

.left-list a:hover, .left-list a:focus, .left-list a:active, .left-list a:visited {
    text-decoration: none;
}

.mobile_i_btn {
    display: none;
}


.m-shade-text {
    display: none;
}