body {
    background-color: #fafafa;
}

ol li {
    list-style: inherit;
    margin-left: 15px;
}

.left {
    position: fixed;
    left: 0;
    top: 0;
    width: 240px;
    bottom: 0;
    background-color: #222d32;
    overflow: hidden;
    user-select: none;
}

.logo h1 ,
.col-item h4 ,
.menu-title:hover ,
.menu-item.active .menu-title {
    background-color: #035cb1;
}

.logo h1 {
    text-align: center;
    color: #fff;
    padding: 15px 0;
    font-size:18px;
}

.menu {
    position: absolute;
    left: 0;
    right: -20px;
    top: 50px;
    bottom: 0;
    overflow: auto;
}

.menu * {
    color: #b8c7ce;
}


.menu-item .menu-title {
    padding: 10px 5px;
    display: block;
    border-left: 3px solid transparent;
    color: #b8c7ce;
    transition: background-color .3s ease-in-out;
    font-size: 14px;
    cursor: default;
    position: relative;
}
.menu-item .menu-title:before {
    display: block;
    content: '';
    width: 22px;
    height: 22px;
    background:url(imgs/jq.png) no-repeat center;
    -webkit-background-size: 100%;
    background-size: 100%;
    float: left;
    margin-right: 10px;
}
.menu-title:hover {
    color: #fff;
}

.menu-item.active .menu-arrow-ico {
    transform: rotate(90deg);
}

.menu-title:hover .menu-arrow-ico {
    transform: rotate(90deg);
}

.menu-arrow-ico {
    position: absolute;
    width: 16px;
    height: 16px;
    left: 210px;
    top: 12px;
    background:url(imgs/arrow.png) no-repeat center;
    /*transition: .8s linear;*/
}
.menu-item.active {
    background-color: #1c2327;
}
.menu-item.active .menu-title {
    color: #fff;
}
.menu-item.active .menu-dropdown {
    display: block;
    /*max-height:3000px;*/
}

.menu-dropdown {
    margin: 0 1px;
    display: none;
    /*max-height: 0;*/
    /*overflow: hidden;*/
    /*transition: .3s ease;*/
}

.menu-dropdown li a {
    padding: 5px 5px 5px 15px;
    display: block;
    font-size: 14px;
    color: #8aa4af;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
    transition: all .3s ease;
    text-decoration: none;
}

.menu-dropdown li.active a ,
.menu-dropdown li a:hover {
    color: #ff0000;
    border-left: 3px solid #37f;
    background-color: #222d32;
}

.content {
    position: absolute;
    left: 240px;
    top: 0;
    bottom: 0;
    right: 0;

}

.content .row > * {
    padding: 0 5px;
}

.col-item {
    /*background: #fff;*/
    /*border-radius: 6px;*/
    /*box-shadow:0 0 8px rgba(0,28,31,.1);*/
    margin-top: 15px;
}

.col-item h4 {
    color: #fff;
    padding: 0 10px;
    line-height: 24px;
    font-size: 14px;
}

.col-item .column {
    font-size: 12px;
    font-weight: 700;
    color: #777;
    padding: 0 10px;
}

.col-item ul {
    padding: 10px;
}

.col-item ul li {
    line-height:26px;

}

.col-item ul li a {
    display: block;
    font-size: 13px;
    color: #272b3b;
    transition: color .2s ease;
    overflow: hidden;
    text-overflow: ellipsis;
}

.col-item ul li a:hover {
    color: #ff0000;
}


.footer {
    padding: 15px 0;
    margin: 0 50px 20px;
    text-align: center;
    background-color: #222D32;
}

.footer ,.footer a {
    color: #fff;
    font-size: 14px;
}