.container {
  background: initial;
}
/* 教师风采视频列表 */
.teacher_deme {
    margin-top: 20px;
}

.teacher_deme ul {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 13px;
}

.teacher_deme ul li {
    width: 290px;
    height: 163px;
}

.teacher_deme ul li a {
    display: block;
    width: 290px;
    height: 163px;
    position: relative;
}

.teacher_deme ul li a img {
    width: 290px;
    height: 163px;
}

.teacher_deme ul li a p {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    box-sizing: border-box;
    padding: 0 8px;
    height: 30px;
    line-height: 30px;
    background: rgba(0, 110, 255, .6);
    font-size: 18px;
    color: #fff;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    z-index: 1;
}

.teacher_deme ul li .voide_touming {
    width: 290px;
    height: 113px;
    position: absolute;
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, 0.4);
    display: none;
    -webkit-transition: all .2s;
    -o-transition: all .2s;
    transition: all .2s;
    padding-top: 50px;
    z-index: 7;
}

.teacher_deme ul li .voide_touming img {
    width: 50px;
    height: 50px;
    display: block;
    margin: 0 auto;
}

.teacher_deme ul li:hover {
    -webkit-box-shadow: 2px 2px 5px 0 #999;
    box-shadow: 2px 2px 5px 0 #999;
}

.teacher_deme ul li:hover .voide_touming {
    display: block;
}
/* 教师风采视频详情 */
.indetail_title {
  color: #6e6e6e;
  font-size: 14px;
  border-bottom: 1px solid #f5f5f5;
}
.indetail_title a:hover {
    color: #4a97ff;
}
 .shipinv_main_content{
    background:#333333;
    height: 589px;
    width: 100%;
    margin-top: 15px;
 }
 .shipinv_main_content .shipinv_left{
     width: 884px;
     height: 589px;
     float: left;
 }
 .shipinv_main_content .shipinv_left .video-play{
    width: 884px;
    height: 500px;
    margin-top: 28px;
 }
 .shipinv_main_content .shipinv_left .title_h3{
    width: 884px;
    height: 62px;
    line-height: 62px;
    color:#fff;
    font-size: 24px;
   padding-left: 10px;
 }
 .shipinv_main_content .shipinv_xiangg_rig{
    float:right;
    width: 293px;
    height: 500px;
 }
 .shipinv_main_content .shipinv_xiangg_rig h3{
    height: 45px;
    color: #ffffff;
    font-size: 24px;
    margin-top: 21px;
 }
 .shipinv_main_content .shipinv_xiangg_rig ul li{
    height: 77px;
    margin-bottom: 18px;
    position: relative;
 }
 .shipinv_main_content .shipinv_xiangg_rig ul li dl dt{
    width: 136px;
    height: 77px;
    float: left;
 }
 .shipinv_main_content .shipinv_xiangg_rig ul li dl dt img{
    width: 136px;
    height: 77px;
 }
 .shipinv_main_content .shipinv_xiangg_rig ul li dl dd{
    color:#fff;
    font-size: 16px;
    width: 152px;
    float: left;
    box-sizing: border-box;
    padding-left: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    -webkit-transition: all .2s;
    -o-transition: all .2s;
    transition: all .2s;
 }
 .shipinv_main_content .shipinv_xiangg_rig ul li .voide_touming {
    width: 136px;
    height: 57px;
    padding-top: 20px;
    position: absolute;
    left: 0;
    top: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    -webkit-transition: all .2s;
    -o-transition: all .2s;
    transition: all .2s;
  }
  .shipinv_main_content .shipinv_xiangg_rig ul li .voide_touming img {
    display: block;
    margin: 0 auto;
  }
  .shipinv_main_content .shipinv_xiangg_rig ul li:hover .voide_touming {
    display: block;
  }
  .shipinv_main_content .shipinv_xiangg_rig ul li:hover dl dd{
    color: #ff8e00;
  }
  .video_maincon {
    padding-bottom: 50px;
  }
 .video_maincon  .content_yuyue{
    width: 100%;
    height: 240px;
    margin-top: 24px;
    background-color: #fff;
    border-radius: 30px;
    box-shadow: 0 0 20px rgb(0 0 0 / 20%);
  }
 .video_maincon  .content_yuyue h5{
    text-align: center;
    color: #1a7af8;
    font-size: 24px;
    line-height: 36px;
    padding-top: 23px;
    font-weight: bold;
  }
 .video_maincon  .content_yuyue p{
    text-align: center;
    color: #1a7af8;
    font-size: 16px;
    line-height: 22px;
    margin-top: 10px;
  }
 .video_maincon  .content_yuyue .submit_main{
    margin:0 auto;
    padding-top: 31px;
    width: 1141px;
  }
 .video_maincon  .content_yuyue .submit_main .submit_input{
    width: 372px;
    height: 48px;
    padding-left: 60px;
    margin-right: 8px;
    margin-bottom: 24px;
    border: 1px solid #1a7af8;
    outline: none;
    border-radius: 5px;
    font-size: 18px;
    color: #1a7af8;
    line-height: 48px;
    box-sizing: border-box;
  }
  .video_maincon  .content_yuyue .submit_select_box {
    position: absolute;
    background: #f7f8fc;
    width: 372px;
    top: 42px;
    max-height: 160px;
    overflow: auto;
    display: none;
  }
  .video_maincon  .content_yuyue .submit_select_box.show {
    display: block;
  }
  .video_maincon  .content_yuyue .submit_select_box .submit_select_item {
    height: 32px;
    line-height: 32px;
    cursor: pointer;
    font-size: 14px;
    padding-left: 10px;
  }
  .video_maincon  .content_yuyue .submit_select_box .submit_select_item:hover{
    background:#C1C1C1;
  }
  .video_maincon  .content_yuyue .submit_main #submit_btn{
    display: block;
    width: 210px;
    height: 40px;
    border-radius: 20px;
    background-color: #1a7af8;
    font-size: 22px;
    color: #fff;
    text-align: center;
    line-height: 40px;
    cursor: pointer;
    margin:0 auto;
    font-weight: bold;
  }
 .video_maincon  .content_yuyue .submit_main input::-webkit-input-placeholder
  {
    color:#2469f3;
  }
 .video_maincon  .content_yuyue .submit_main .input_yi{
    background: url(https://bjmanager.xhd.cn/r/cms/beijing/default/2020/index/img/conteny_yyicon1s.png) 12px center no-repeat rgba(255, 255, 255,0.15);
  }
 .video_maincon  .content_yuyue .submit_main .input_er{
    background: url(https://bjmanager.xhd.cn/r/cms/beijing/default/2020/index/img/conteny_yyicon2s.png) 12px center no-repeat rgba(255, 255, 255,0.15);
  }
 .video_maincon  .content_yuyue .submit_main .arrow{
    background: url(https://bjmanager.xhd.cn/r/cms/beijing/default/2020/index/img/conteny_yyicon3s.png) 12px center no-repeat rgba(255, 255, 255,0.15);
    position: relative;
  }
 .video_maincon  .content_yuyue .submit_select {
    position: relative;
    display: inline-block;
    vertical-align: bottom;
  }
  .video_maincon  .content_yuyue .submit_main .arrow{
    margin-right: 0;
  }
 .video_maincon  .content_yuyue .submit_main .arrow:after {
    content: '';
    width: 10px;
    height: 10px;
    border-top: 2px solid #2469f3;
    border-right: 2px solid #2469f3;
    display: inline-block;
    -webkit-transform: rotate(135deg);
    -ms-transform: rotate(135deg);
    transform: rotate(135deg);
    position: absolute;
    right: 20px;
    top: 10px;
  }
.four_content{
  margin-top: 20px;
  width: 1200px;
}
.four_content .top_courseT_hot {
  width: 1200px;
  height: 35px;
  line-height: 35px;
  overflow:hidden;
}
.four_content .top_courseT_hot h3{
  width: 100px;
  float: left;
  font-size: 20px;
  color: #232323;
  font-weight: bold;
  line-height: 24px;
  margin-top: 8px;
}
.four_content .top_courseT_hot .navbar {
  float: right;
  margin-left: 59px;
  color: #333;
}
.four_content .top_courseT_hot .navbar .item {
  float: left;
  margin-right: 30px;
  font-size: 16px;
  line-height: 16px;
  cursor: pointer;
  height: 35px;
  line-height: 35px;
  color:#333;
}
.four_content .top_courseT_hot .navbar .item_last {
  float: left;
  margin-right: 30px;
  font-size: 16px;
  line-height: 16px;
  cursor: pointer;
  height: 35px;
  line-height: 35px;
  color:#333;
}
.four_content .top_courseT_hot .navbar .item_last a:hover{
  color: #2368f2;
}
.four_content .top_courseT_hot .navbar .active {
  color: #2368f2;
  position: relative;
}
.four_content .top_courseT_hot .active::after {
  position: absolute;
  content: '';
  width: 32px;
  height: 4px;
  left: 50%;
  margin-left: -16px;
  bottom:0px;
  background-color: #1a7af8;
}
.four_content .top_courseT_hot a.course_More{
  float: right;
  height: 34px;
  font-size: 16px;
  margin: 0 20px 0 0;
  float: right;
  color: #999999;
}
.four_content .top_courseT_hot a.course_More:hover{
  color: #213fa1;
}
.four_content .top_courseM_hot .course_content {
  display: none;
}
.four_content .top_courseM_hot .show {
  display: block;
}
.four_content .top_courseM_hot .course_content .course_contentma{
  min-height: 270px;
  width: 100%;
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px 12px;
}
.four_content .top_courseM_hot .course_content .slide-list{
     width: 230px;
    height:261px;
}
.four_content .top_courseM_hot .course_content .slide-list .newForList{
  -webkit-transition: all .3s linear;
  -o-transition: all .3s linear;
  transition: all .3s linear;
  position: relative;
}
.four_content .top_courseM_hot .course_content .slide-list .newForList:hover{
  margin-top: -5px;
}
.four_content .top_courseM_hot .course_content .slide-list .course_content_img{
    width: 230px;
    height:130px;
}
.four_content .top_courseM_hot .course_content .slide-list .course_content_img img{ 
    width: 230px;
    height:130px;
    border-radius: 8px 8px 0 0;
}
.four_content .top_courseM_hot .course_content .slide-list .course_content_img h4{
    font-size: 22px;
    color:#fff;
    text-shadow: 0 0 5px rgba(0,0,0,.5);
    position: absolute;
    top: 30px;
    left: 10px;
    font-weight: bold;
}
.four_content .top_courseM_hot .course_content .slide-list .course_content_img p{
  font-size: 14px;
  color:#fff;
  position: absolute;
  top: 62px;
  left: 10px; 
  text-shadow: 0 0 5px rgba(0,0,0,.5);
}
.four_content .top_courseM_hot .course_content .slide-list .course_content_img .tagjp{
  font-size: 14px;
  color:#0c60d3;
  position: absolute;
  padding:2px 5px;
  background: #fff;
  border-radius:9.5px;
  top: 90px;
  left: 10px; 
}
.four_content .top_courseM_hot .course_content .slide-list .course_content_text{
  width: 230px;
  height: 131px;
  background:#fff;
  border-radius:0 0  8px 8px;
  box-sizing: border-box;
  padding:10px 10px 0 10px;
}
.four_content .top_courseM_hot .course_content .slide-list .course_content_text h6{
  font-size: 15px;
  color: #000;
  line-height: 30px;
  font-weight: normal;
  overflow: hidden;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-bottom: 1px solid #f4f4f4;
}
.four_content .top_courseM_hot .course_content .slide-list .course_content_text .course_tag{
    display: block;
    font-size: 13px;
    color: #333;
    position: relative;
  	height: 40px;
    line-height: 40px;
}
.four_content .top_courseM_hot .course_content .slide-list .course_content_text p.kcprice{
  width: 230px;
  color: #f54030;
  line-height: 20px;
  overflow: hidden;
  -o-text-overflow: ellipsis;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 16px;
  font-weight: bold;
}
.four_content .top_courseM_hot .course_content .slide-list .course_content_text p.kcprice b{
  font-size: 14px;
}
.four_content .top_courseM_hot .course_content .slide-list  .mfst {
  display: block;
  width:103px;
  height: 26px;  
  box-sizing: border-box;  
  line-height: 26px;
  font-size: 14px;
  color: #fff;
  position: absolute;
  bottom: 21px;
  right: 10px;
  border-radius: 30px;
  font-weight: bold;
  -webkit-transition: all .3s linear;
  -o-transition: all .3s linear;
  transition: all .3s linear;
  background: linear-gradient(to right, #98bbff, #3a79f5);
  text-align: center;
  cursor: pointer;
}
.four_content .top_courseM_hot .course_content .slide-list .mfst:hover{
  bottom: 26px;
}

h3.pubtitZ{
  height: 24px;
  font-size: 20px;
  color: #333333;
  font-weight: bold;
  line-height: 24px;
  padding-left: 10px;
  position: relative;
  margin-bottom: 20px;
}
h3.pubtitZ:before{
  position: absolute;
  content: '';
  width: 3px;
  height: 20px;
  background-color: #1a7af8;
  left: 0;
  top: 3px;
}