.clearfix:after{
    content: " ";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}
.clearfix {
    zoom: 1;
}
body{
    margin: 0;
    padding: 0;
    background: #f3f6f8;
}
body,input,textarea,select,button{
    font-weight: 300;
}
a{
    text-decoration: none;
}


[v-cloak]{
    display: none;
}

body{
    margin: 0;
    padding: 0;
}
body,input,textarea,select,button{
    font-weight: 300;
}
a{
    text-decoration: none;
}
.vd-body{
    height: 100%;
}
.vd-body>div {
    float:left;
    height: 100%;
}
.vd-menu{
    width: 240px;
    position: fixed;
    background: blue;
    background-image: linear-gradient(5deg, #1b8bff 0%, #3faefe 100%), linear-gradient(#ffffff, #ffffff);
    background-blend-mode: normal, normal;
    overflow-y: auto;
}
.vd-logout{
    position: absolute;
    background: url(../img/exit.png) no-repeat;
    width: 16px;
    height: 17px;
    top: 20px;
    right: 20px;
    cursor: pointer;
}
.vd-container{
    /*width: calc(100% - 336px);*/
    background: #f0f4f7;
    /*margin-left: 336px;*/
    position: fixed;
    left:240px;
    right: 0;
    overflow-y: auto;
}
.vd-container-padding{
    margin: 18px 20px 30px 20px;
}
.vd-menu-bg{
    padding: 0 20px;
}
.vd-menu-bg>div{
    margin-left: auto;
    margin-right: auto;
}
.vd-menu-title{
    margin-top: 91px;
}
.vd-menu-title>img{
    width: 189px;
    height:22px;
    display: block;
    margin: 0 auto;
}
.vd-menu-head{
    margin-top: 62px;
    width: 66px;
    height: 66px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 50%;
    border: solid 2px #41a0fe;
    background-color: #6ab3fe;
    display: flex;
    align-items: center;
}
.vd-menu-head>img{
    display: block;
    margin: 0 auto;
    width: 66px;
    height: 66px;
    border-radius: 50%;
}
.vd-menu-username{
    margin-top: 16px;
    color: #fff;
    text-align: center;
    font-size: 18px;
    letter-spacing: 1px;
}
.vd-menu-role{
    margin-top: 11px;
    text-align: center;
    font-size: 14px;
    letter-spacing: 0px;
    color: #bddeff;
}
.vd-menu-list>ul{
    width: 100%;
    padding: 0;
    margin-top: 59px;
}
.vd-menu-list>ul li.vd-menu-active:hover{
    cursor:pointer;
}
.vd-menu-list>ul li{
    list-style-type:none;
    height: 54px;
    display: flex;
    align-items: center;
    border-radius: 8px;
    position: relative;
    margin-bottom: 10px;
    justify-content: center;
}
.vd-menu-list>ul li>.vd-icon-right{
    display: none;
}
.vd-menu-list>ul li.vd-menu-active>.vd-icon-right{
    display: block;
    position: absolute;
    right: 21px;
}
.vd-menu-list>ul li.vd-menu-active{
    background-color: #6ab3fe;
    color: #fff;
}
.vd-menu-text{
    margin-left: 12px;
    font-size: 16px;
    letter-spacing: 1px;
    color: #bddeff;
}
.vd-menu-active>.vd-menu-text{
    color: #ffffff;
}
.vd-menu-text:hover{
    cursor:pointer;
}

.vd-icon-person{
    background: url(../img/Teachers-list_before.png) no-repeat;
    width: 18px;
    height: 18px;
}
.vd-menu-active>.vd-icon-person{
    background: url(../img/Teachers-list_after.png) no-repeat;
}
.vd-icon-video{
    background: url(../img/Live-video_before.png) no-repeat;
    width: 18px;
    height: 18px;
}
.vd-menu-active>.vd-icon-video{
    background: url(../img/Live-video_after.png) no-repeat;
}
.vd-icon-order{
    background: url(../img/order-center_before.png) no-repeat;
    width: 18px;
    height: 18px;
}
.vd-menu-active>.vd-icon-order{
    background: url(../img/order-center_after.png) no-repeat;
}
.vd-icon-count{
    background: url(../img/Statistical-analysis_before.png) no-repeat;
    width: 18px;
    height: 18px;
}
.vd-menu-active>.vd-icon-count{
    background: url(../img/Statistical-analysis_after.png) no-repeat;
}
.vd-icon-add{
    background: url(../img/fb_add_before.png) no-repeat;
    width: 16px;
    height: 16px;
}
.vd-menu-active>.vd-icon-add{
    background: url(../img/fb_add_after.png) no-repeat;
}
.vd-icon-right{
    background: url(../img/Next-copy.png) no-repeat;
    width: 9px;
    height: 16px;
}

.vd-margin-r20 {
    margin-right: 20px!important;
}
.vd-margin-r10 {
    margin-right: 10px!important;
}

.vd-hide{
    display: none;
}

/*遮罩提示*/
.vd-mask{
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #ebf0f6;
    opacity: 0.2;
    z-index: 99;
}
.vd-tips{
    padding: 18px 0;
    background: #535962;
    border-radius: 6px;
    width: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    color:#ebf0f6;
    font-size: 15px;
    position: fixed;
    left: calc(50% - 110px);
    top: 50%;
    z-index: 100;
}
.vd-tips-icon{
    width: 30px;
    height: 30px;
    margin-right: 17px;
}
.vd-tips-suc{
    background: url(../img/Copy-success.png) no-repeat;
}
.vd-tips-err{
    background: url(../img/Load-failed.png) no-repeat;
}
.vd-tips-load{
    background: url(../img/loading.gif) no-repeat;
}
.vd-tips-prompt{
    background: url(../img/prompt.png) no-repeat;
}
.vd-tips-text{
    max-width: 110px;
}


.vd-left{
    float: left;
}
.vd-right{
    float: right;
}

.label-hide{
    display: none!important;
}