.wrap {
    background: #EFF1F6;
}

.left-nav {
    width: 180px;
    background: #fff;
    margin-top: -120px;
    border-radius: 4px;
    float: left;
    margin-right: 20px;
}
.panel-plain{
    margin-left: 200px;
}
.left-nav ul {
    list-style: none;
    padding: 0;
}

.left-nav ul li a {
    color: #3A3A45;
    padding: 15px 10px;
    display: inline-block;
    text-decoration: none;
    text-align: center;
    width: 100%;
    font-size: 14px;
}

.left-nav ul li a.active {
    background: rgba(44, 105, 255, 0.1);
    color: #2C69FF;
    border-left: 2px solid #2C69FF;
}

.title {
    font-size: 24px;
}

.tab {
    border-bottom: 1px solid #E4E6ED;
    margin-left: -16px;
    margin-top: 10px;
}

.tab a {
    display: inline-block;
    padding: 16px;
    color: #696975;
    font-size: 14px;
    text-decoration: none;
}

.tab a.active {
    color: #2C69FF;
    border-bottom: 1px solid #2C69FF;
    font-weight: bold;
}

.exam-intro .section p {
    line-height: 2;
    font-style: normal;
}

.exam-intro .section em {
    color: #3fa2fc;
    font-style: normal;
}

.exam-intro .part-content {
    position: relative;
    word-break: break-all;
}

.exam-intro .part-content .no {
    font-size: 160px;
    color: #d5dbe6;
    z-index: 1;
    font-weight: bold;
    opacity: 0.2;
    margin-bottom: -56px;
}

.date table {
    width: 100%;
    margin-top: 30px;
}

.date table td, .date table th {
    text-align: center;
    border: 1px solid #E4E6ED;
    padding: 10px;
}
.date table td{
    font-size: 14px;
}
.date table td span {
    color: #FF666A;
}

.date table tr:nth-child(odd) td {
    background: #F4F7FB;
}
.node{

}
.node p{
    margin: 0 !important;
    line-height: 2;
}
.node table{
    text-align: left;
    width: 100%;
}
.node table td{
    vertical-align: top;
    padding: 6px;
}
.node table td div.title{
    background: #f2f6f9;
    text-align: center;
    padding: 10px;
    font-size: 14px;
    border-radius: 4px;
    display: inline-block;
    width: 100%;
    border: 1px solid #f2f6f9;
}
.node table td div.content{
    border: 1px solid #ccc;
    text-align: left;
    padding: 10px;
    font-size: 14px;
    border-radius: 4px;
    width: 100%;
    display: inline-block;
    padding-left: 20px;
}
.node table td div.arrow{
    font-size: 20px;
    text-align: center;
    color: gray;
}
.tab.fixed{
    position: fixed;
    z-index: 999;
    top: -10px;
    background: #fff;
    width: 886px;
}
.left-nav.fixed{
    position: fixed;
    z-index: 999;
    top: 120px;
}