.txtIndent {
    text-indent: 2em;
}

header {
    width: 100%;
    height: 60px;
    background-color: #333333;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 10000;
}


/*修改时间：2020-9-18
修改人：陈良爱
修改内容：width*/

.centerContent {
    width: 100%;
    margin: 0 auto;
}

.logo {
    float: left;
}

.logo img {
    margin-top: 4px;
    margin-left: 10px;
}

.modelSel {
    float: right;
}

.modelSel ul li {
    list-style: none;
    float: left;
    margin-right: 33px;
    margin-top: 7px;
}

.fullModel {
    width: 64px;
    height: 48px;
    display: block;
    background: url(../images/fullModel.png) no-repeat;
}

.teacherModel {
    width: 64px;
    height: 48px;
    display: block;
    background: url(../images/teacherModel.png) no-repeat;
}

.stuModel {
    width: 64px;
    height: 48px;
    display: block;
    background: url(../images/stuModel.png) no-repeat;
}

.modelSel ul li a.fullModel:hover,
.modelSel ul li.modelCurr a.fullModel {
    background: url(../images/fullModelCurr.png) no-repeat;
}

.modelSel ul li a.teacherModel:hover,
.modelSel ul li.modelCurr a.teacherModel {
    background: url(../images/teacherModelCurr.png) no-repeat;
}

.modelSel ul li a.stuModel:hover,
.modelSel ul li.modelCurr a.stuModel {
    background: url(../images/stuModelCurr.png) no-repeat;
}


/*修改时间：2020-9-18
修改人：陈良爱
修改内容：margin-left*/
/*
.main {
    width: 1200px;
    margin: 0px auto;
}
*/
/*
.backToTop {
    position: fixed;
    right: 20px;
    bottom: 50px;
    z-index: 1000000;
    display: none;
}
*/

/*顶部5大模块导航样式*/
/*
.topNav {
    margin-top: 70px;
    margin-bottom: 26px;
    display: flex;
}

.navList {
    display: inline-block;
    width: 224px;
    height: 110px;
    margin-right: 15px;
    background-color: #ffffff;
    box-shadow: 0px 0px 20px 0px rgba(22, 22, 22, 0.18);
}

.navList:last-child {
    margin-right: 0;
}

.navList:hover,
.navList.current {
    border-bottom: 2px solid red;
}

.navList img {
    margin-left: 47px;
    margin-top: 10px;
}
*/

/*
修改时间：2020-9-18
修改人：陈良爱
修改内容：margin-top*/

#sel1 {
    height: auto;
    overflow: hidden;
    margin-top: 65px;
    margin-bottom: 5px;
}


/*左侧项目任务导航栏样式*/


.leftNav {
    position: fixed;
    float: left;
    margin-left: 5px;
    width: 306px;
    height: auto;
    /* min-width: 306px; */
    /*margin-bottom: 25px;*/
    padding: 2px;
    background-color: #666666;
}

.project {
    line-height: 36px;
    /* padding-top: 10px;
    padding-bottom: 10px; */
    font-size: 16px;
    font-weight:600;
    color: #ffffff;

    position: relative;
    display: block;
    float: left;
    width: 306px;
}




.titleNum {
    position: relative;
    display: block;
    float: left;
    margin-top: 3px;
    width: 30px;
    height: 28px;
    color: #999999;
    line-height: 28px;
    margin-right: 5px;
    background: url(../images/titleNum_taskIcon.png) 0px 0px no-repeat;
    background-size: cover;
}

.numPos {
    font-size: 16px;
    font-weight: bold;
    position: absolute;
    top: 7px;
    left: 9px;
}


.projTitleTxt {
    position: relative;
    font-size: 16px;
    font-weight:500;
    display: block;
    float: left;
    width: 240px;
    height: 32px;
    text-align: left;
    padding-left: 4px;
    color: #333333;
    line-height: 32px;
    background: #D2D2D2;
    margin: 4px auto;
}

.firstLevel {
    display: none;
    margin-left: 0px;
}


.secondLevel {
    display: none;
    margin-left: 0px;
}
.secondLevel a {
    position: relative;
    font-size: 14px;
    display: block;
    float: left;
    width:259px;
    height: 28px;
    text-align: left;
    padding-left: 10px;
    color: #ffffff;
    line-height: 28px;
    background: #828282;
    margin: 2px 10px auto;
}


.secondLevel li a span:hover,
.secondLevel li.progressCurr a span {
    color: #ffaaaa;
}



.secondLevel li a span:hover,
.secondLevel li a span.taskNum {
    margin-right: 8px;
}


/*
   左侧项目展开样式
*/


.leftNav  a:hover .project {
    border-left: 4px solid #EE2E2E;
    width: 306px ;
}


.leftNav  a.projCurr .project {
    background: linear-gradient(0deg, rgba(238, 46, 46, 1) 0%, rgba(255, 137, 136, 1) 100%);
    border-left: 0;
    width: 306px;
    color: #ffffff;
}


.leftNav  a:hover .projTitleTxt {
    border-left: 4px solid #EE2E2E;
    width: 240px ;
}


.leftNav  a.titleCurr .projTitleTxt {
    background: linear-gradient(0deg, rgba(238, 46, 46, 1) 0%, rgba(255, 137, 136, 1) 100%);
    border-left: 0;
    width: 240px;
    color: #ffffff;
}

.leftNav  a.titleCurr .titleNum {
    width: 30px;
    height: 32px;
    background: url(../images/titleNum_taskIcon_curr.png) 0px 0px no-repeat;
    color: #ffffff;
    background-size: cover;
}


/*右侧主要内容样式*/


/*
修改时间：2020-9-18
修改人：陈良爱
修改内容：width*/

.rightContent {
    float: left;
    width: calc(100% - 326px);
    margin-left: 316px;
    display: none;
    background: url(../images/contentBoxBg.png) top left no-repeat;
    background-size: cover;
    /*padding: 2px;*/
   /* box-shadow: 0px 0px 10px 0px rgba(22, 22, 22, 0.18);*/
}


/*
修改时间：2020-9-18
修改人：陈良爱
margin-left*/

.contentNav {
    margin-bottom: 14px;
    margin-left: 20px;
}

.contentNav ul li {
    list-style: none;
    float: left;
}

.contentNav a {
    display: inline-block;
    width: 116px;
    height: 36px;
    margin-right: 10px;
}


/*
修改日期：2020-9-18
修改人：陈良爱
修改内容：margin-left,width*/

.contentBox {
    /*margin-left: 20px;*/
    /*margin: 0px 50px 0px 50px;*/
    /* width: 872px; */
    overflow: hidden;
    display: none;
    /* overflow: hidden; */
    background: url(../images/contentBoxBg.png) top left no-repeat;
    background-size: cover;
    /*box-shadow: 0px 0px 10px 0px rgba(22, 22, 22, 0.18);*/
}


/*
修改日期：2020-9-18
修改人：陈良爱
修改内容：width*/

.contentBox iframe.secondLeftIframe {
    width: 100%;
    /*display: block;*/
}