/*移除 正常显示 及 鼠标移入 的下划线*/
a {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

/*移除 正常显示 及 鼠标移入 的下划线*/
#main {
    min-height: 521px;
    margin: 0.5rem auto;
}

#main .left-box {
    width: 14.83%;
    margin-top: 5px;
    background-color: #f5f5f5;
    border: 1px solid #c7c4c4;
    min-height: 813px;
}

#main .left-box .checked .nav-title .nav-arrow {
    display: block !important;
}

#main .left-box .nav-item {
    margin-bottom: 0.5rem;
}

#main .left-box .nav-item .nav-title {
    cursor: pointer;
    width: 100%;
    height: 48px;
    background-color: #073B91;
    padding-left: 4rem;
    font-size: 16px;
    color: #fff;
    line-height: 48px;
    position: relative;
}

#main .left-box .nav-item .nav-title .nav-logo {
    position: absolute;
    left: 1.6rem;
    top: 30%;
    width: 18px;
}

#main .right-box {
    width: 83.92%;
    /*1007/1200=0.8391666666...*/
    margin-left: 1%;
    margin-top: -3px;
    height: 700px;
    border: 1px #d1cdcd solid;
    padding: 1rem;
}