/*页面头*/
.header {
    width: 100%;
    height: 60px;
}

.header-content {
    margin: 0 auto;
    width: 1200px;
    background: url("../../img/video/logo.png") no-repeat;
}

.nav-list {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.nav-item {

}

.nav-btn {
    margin: 10px;
    padding: 0 15px;
    height: 40px;
    line-height: 40px;
    color: #333333;
    font-size: 16px;
}

.user-name {
    margin-left: 5px;
    vertical-align: top;
    color: #198eee;
}

.logout {
    color: #999999;
}

/*视频中间内容*/
.video-container {
    width: 100%;
    /*height: 740px;*/
    height:513px;
    background: #1f1f1f;
}

.video-title-container {
    height: 40px;
    background: #292929;
}

.video-title {
    margin: 0 auto;
    width: 1200px;
    height: 100%;
    color: #cccccc;
    font-size: 14px;
    line-height: 40px;
}

/*播放器*/
.video-content-container {
    margin: 0 auto;
    width: 1200px;
    position: relative;
    text-align: center;
}

.video-content {
    width: 840px;
    height:600px;
    /*height: 700px;*/
}

/**/
.video-btn-toolbar {
    text-align: left;
}

.video-btn-toolbar a {
    margin-right: 10px;
    padding: 0 15px 0 35px;
    height: 60px;
    line-height: 60px;
    color: #f5f5f5;
}

.btn-star {
    background: url("../../img/video/star.png") no-repeat;
}

.btn-test {
    background: url("../../img/video/test.png") no-repeat;
}

.btn-file {
    background: url("../../img/video/file.png") no-repeat;
}

/*右边栏*/
.video-aside {
    margin-left: -5px;
    width: 360px;
    height: 472.5px;
    vertical-align: top;
    overflow: hidden;
    text-align: left;
}

/*教师窗口*/
.teacher-window {
    width: 360px;
    height: 210px;
    background: url("../../img/video/teacher.png") no-repeat;
}

.tab-container {
    margin-left: 1px;
    height: 100%;
    overflow: auto;
}

.tab-container .el-tabs__nav {
    width: 100%;
    background: #141414;
}

.tab-container .el-tabs__item {
    width: 33.3%;
    text-align: center;
    font-size: 14px;
}

.el-tabs__header {
    margin: 0;
}

.el-tabs__item {
    color: #999999;
}

.tab-item {
}

/*聊天列表*/
.chat-container {
    height: 374px;
    overflow: hidden;
}

.chat-list, .question-list {
    padding: 15px 0 15px 20px;
    height: 100%;
    background: #242424;
    box-sizing: border-box;
    overflow: auto;
}

.chat-item {
    margin-bottom: 10px;
}

.chat-title {
    font-size: 12px;
    color: #999999;
    line-height: 1.5;
}

.chat-text {
    font-size: 14px;
    color: #e5e5e5;
    line-height: 2.5;
}
.chat-text img {
    width:26px;
    height:26px;
}

.chat-input-container {
    height: 60px;
    overflow: hidden;
    background: #1f1f1f;
}

.chat-dialog {
    width: 330px;
    height: 40px;
    margin: 10px auto;
    overflow: hidden;
    border-radius: 40px;
    position: relative;
}

.chat-input {
    height: 100%;
    width: 100%;
    font-size: 14px;
    text-indent: 1em;
    box-sizing: border-box;
    background: #0d0d0d;
    color: #dddddd;
    border: none;
}

.chat-input:focus {
    outline: none;
}

.chat-icon {
    width: 25px;
    height: 25px;
    background: url("../../img/video/chat-icon.png") no-repeat;
    position: absolute;
    top: 9px;
    right: 69px;
}
.chat-icon:hover{
    cursor:pointer;
}
.send {
    position: absolute;
    color: #444;
    background: #ccc;
    display: inline-block;
    height: 40px;
    width: 60px;
    font-size: 14px;
    text-align: center;
    line-height: 40px;
    right: 0;
    top: 0;
}

.send:active {
    box-shadow: inset 0 0 1px 1px #463c3c;
}

/*提问列表*/
.question-item {
    margin-bottom: 10px;
}

.question-title {
    font-size: 12px;
    color: #b2b2b2;
    line-height: 1.67;
}

.question-content {
    font-size: 14px;
    color: #e5e5e5;
    line-height: 1.67;
}

/*大纲列表*/
.synopsis-list {
    height: 100%;
    background: #242424;
    box-sizing: border-box;
    overflow: auto;
}

.synopsis-item {
    padding: 12px 0 12px 40px;
}

.synopsis-img {
    width: 82px;
    height: 62px;
    border-radius: 4px;
}

.synopsis-content {
    /*margin-left: 20px;*/
    vertical-align: top;
}

.synopsis-title {
    height: 30px;
    line-height: 25px;
    font-size: 14px;
    color: #f5f5f5;
}

.synopsis-detail {
    height: 25px;
    line-height: 25px;
    font-size: 12px;
    color: #f5f5f5;
}

.synopsis-list .synopsis-active {
    background: #333333 url("../../img/video/play.png") no-repeat 15px center;
}

.collapse-video-aside {
    position: absolute;
    right: 345px;
    top: 38%;
    color: #ccc;
    width: 16px;
    height: 44px;
    background: #424242;
    line-height: 44px;
    text-align: center;
    border-radius: 0 4px 4px 0;
}

.expand-video-aside {
    position: absolute;
    right: -3px;
    top: 38%;
    color: #ccc;
    width: 16px;
    height: 44px;
    background: #424242;
    line-height: 44px;
    text-align: center;
    border-radius: 4px 0 0 4px;
}

.collapse-video-aside:hover, .expand-video-aside:hover {
    opacity: .7;
}

/*下方课程*/
.course-list-container {

}

.course-list-content {
    margin: 0 auto 100px;
    width: 1200px;
}

.course-item {
    padding-left: 35px;
    height: 80px;
    background: url("../../img/video/course.png") no-repeat 0 5px;
}

.course-active {
    background: url("../../img/video/course-active.png") no-repeat 0 5px;
}

.course-active .course-num, .course-active .course-name {
    color: #198eee;
}

.course-item:nth-child(even) {
    background-color: #f3f5f7;
}

.course-num {
    height: 40px;
    line-height: 50px;
    font-size: 14px;
    color: #333333;
}

.course-text {
    padding-right: 20px;
    height: 40px;
    line-height: 30px;
    font-size: 14px;
    color: #999999;
    /*text-indent: 1em;*/
}

.course-name {
}

.course-time {
    font-size: 12px;
}

/*页面脚*/
/*.footer {*/
/*width: 100%;*/
/*height: 240px;*/
/*background: #444546;*/
/*}*/

/*.footer-content {*/
/*margin: 0 auto;*/
/*width: 1200px;*/
/*background: #444546;*/
/*}*/

/*.footer-top {*/
/*padding-top: 20px;*/
/*height: 140px;*/
/*box-sizing: border-box;*/
/*border-bottom: 1px dashed #999999;*/
/*}*/

/*.attach-brands {*/
/*}*/

/*.brands-title {*/
/*font-size: 18px;*/
/*color: #cccccc;*/
/*}*/

/*.brands-content {*/
/*width: 350px;*/
/*height: 71px;*/
/*background: url("../../img/video/brands.png") no-repeat;*/
/*}*/

/*.connect-container {*/

/*}*/

/*.connect-content {*/
/*height: 32px;*/
/*line-height: 32px;*/
/*}*/

/*.connect-title {*/
/*margin-right: 15px;*/
/*font-size: 14px;*/
/*color: #cccccc;*/
/*}*/

/*.connect-link-content {*/
/*}*/

/*.connect-link {*/
/*padding: 0 5px;*/
/*font-size: 12px;*/
/*color: #999999;*/
/*}*/

/*.footer-bottom {*/
/*height: 100px;*/
/*}*/

/*.aside-link-title {*/
/*padding: 0 20px;*/
/*height: 55px;*/
/*line-height: 55px;*/
/*}*/

/*.link-title {*/
/*font-size: 14px;*/
/*color: #cccccc;*/
/*}*/

/*.aside-link-content {*/
/*height: 20px;*/
/*line-height: 20px;*/
/*}*/

/*.aside-link {*/
/*padding: 0 8px;*/
/*font-size: 12px;*/
/*color: #999999;*/

/*}*/