body
{
    /* background: #fff;*/
}
.lay_1202
{
    width: 1163px;
    margin: 0px 19px;
}
.head_bar
{
    font-size: 16px;
    color: #707070;
    line-height: 30px;
    padding: 13px 0;
}
.head_bar .name
{
    margin-left: 20px;
}
.head_bar .ics
{
    margin-left: 20px;
}
.head_bar .ics a
{
    margin: 0 8px;
    display: inline-block;
    vertical-align: middle;
    height: 26px;
    width: 26px;
}
.head_bar .ics .collec_ic
{
    background-position: -80px -5px;
}
.head_bar .ics .comment_ic
{
    background-position: -80px -48px;
}
.head_bar .ics .share_ic
{
    background-position: -80px -90px;
}
.lay_play
{
    background: #313131;
    height: 528px;
    margin-bottom: 28px;
}
.lay_play .play
{
    width: 806px;
    height: 528px;
    float: left;
    position: relative;
    background: #535353;
}
.lay_play .comm
{
    width: 388px;
    height: 528px;
    float: right;
}
.play .ics
{
    background: white;
    width: 790px;
    padding-right: 16px;
    position: absolute;
    bottom: 0;
    line-height: 50px;
    text-align: right;
    letter-spacing: 1px;
}
.play .ics a
{
    display: inline-block;
    vertical-align: middle;
    height: 40px;
    width: 40px;
    margin: 0 6px;
}
.play .ics a.reward_ic_1
{
    background-position: -140px 0;
}
.play .ics a.reward_ic_2
{
    background-position: -179px 0;
}
.play .ics a.reward_ic_3
{
    background-position: -219px 0;
}
.comm .tab_nav
{
    padding-top: 10px;
}
.comm .tab_nav li
{
    float: left;
    margin-left: 18px;
    color: white;
    line-height: 34px;
    padding: 0 30px;
    cursor: pointer;
}
.comm .tab_nav li.active
{
    background: #1b1b1b;
}
.comm .tab
{
    background: #535353;
    height: 484px;
    display: none;
}
.interact .talk_list
{
    padding: 10px 18px;
}
.interact .talk_list li
{
    margin-bottom: 12px;
}
.interact .talk_list li img
{
    width: 36px;
    height: 36px;
    float: left;
}
.interact .talk_list li div
{
    float: left;
    width: 250px;
    margin-left: 25px;
    position: relative;
}
.interact .talk_list li div i
{
    border: solid #535353;
    border-width: 7px 10px;
    border-top-color: #4d98c4;
    position: absolute;
    left: -10px;
    top: 26px;
}
.interact .talk_list li div span
{
    color: white;
    margin-bottom: 5px;
    font-size: 12px;
    line-height: 14px;
    margin-top: -2px;
    display: block;
}
.interact .talk_list li div p
{
    line-height: 18px;
    padding: 4px 7px;
    color: white;
    background: #4d98c4;
    position: relative;
    z-index: 2;
    font-size: 12px;
}
.interact .talk_list li.self
{
}
.interact .talk_list li.self img
{
    float: right;
}
.interact .talk_list li.self div
{
    float: right;
    margin-right: 25px;
    margin-left: 0;
    text-align: right;
}
.interact .talk_list li div span
{
}
.interact .talk_list li.self p
{
    background: white;
    color: #333;
    text-align: left;
}
.interact .talk_list li.self i
{
    border-top-color: white;
    left: auto;
    right: -10px;
}
.interact .talk_list li.teacher p
{
    background: #ff8a01;
}
.interact .talk_list li.teacher div i
{
    border-top-color: #ff8a01;
}
.on_line .pointer
{
    color: white;
    line-height: 52px;
    border-bottom: 1px solid white;
    text-align: center;
}
.on_line .pointer a
{
    color: #f7ea05;
    text-decoration: underline;
}
.on_line .list
{
    padding-top: 19px;
}
.on_line .list li
{
    color: white;
    line-height: 36px;
    margin-bottom: 19px;
}
.on_line .list li img
{
    width: 36px;
    height: 36px;
    vertical-align: middle;
    margin: 0 14px 0 40px;
}
.state_box
{
    position: relative;
    height: 528px;
}
.state_box .bg, .state_box #blurCanvas, .state_box .cont
{
    height: 100% !important;
    width: 100% !important;
    position: absolute;
    top: 0;
    left: 0;
    color: white;
    text-align: center;
}
.state_box .bg
{
    background: black;
    opacity: 0.5;
    filter: alpha(opacity:70);
}
.state_box .cont .tit
{
    font-size: 30px;
    line-height: 40px; /*padding: 15px;*/
    padding: 40px;
    color: white;
}
.state_box .cont .price
{
    font-size: 24px;
    line-height: 46px;
}
.state_box .cont .number
{
    line-height: 38px;
    font-size: 22px;
}
.state_box .cont .time
{
    font-size: 22px;
    line-height: 64px;
    margin-top: 15px;
}
.state_box .cont .btn
{
    display: block;
    line-height: 44px;
    width: 386px;
    text-align: center;
    border: 1px solid white;
    color: white;
    font-size: 20px;
    margin: 0 auto 20px;
}
.state_box .cont .btn2
{
    background: white;
    color: #000;
}
.cf_scroll_bar
{
    z-index: 99 !important;
}
.cf_scroll_btn
{
    z-index: 100 !important;
}
.main
{
    width: 733px;
    padding: 20px 0px 20px 40px;
    background: #f9f9f9;
    float: left;
    min-height: 400px;
}
.aside
{
    float: right;
    width: 364px;
    background: #f9f9f9;
    padding: 26px 23px;
    color: #000000;
}
.score_bar, .introduce_box
{
    border-bottom: 1px solid #d2d2d2;
}
.score_bar .tit
{
    line-height: 50px;
}
.score_bar
{
    font-size: 20px;
    padding: 0 15px 20px;
}
.score_bar .score
{
    margin-left: 10px;
    position: relative;
    top: -4px;
}
.introduce_box
{
    padding: 20px 15px;
}
.introduce_box .tit
{
    display: block;
    font-size: 16px;
    line-height: 36px;
}
.introduce_box img
{
    height: 110px;
    width: 110px;
    border-radius: 50%;
    margin: 20px 0;
}
.introduce_box p
{
    font-size: 12px;
}
.connect_course
{
    padding: 0 15px;
}
.connect_course .tit
{
    line-height: 70px;
    font-size: 16px;
}
.connect_course li
{
    margin-bottom: 20px;
}
.connect_course li img
{
    display: block;
    height: 107px;
    width: 185px;
    margin-bottom: 5px;
}
.connect_course li a
{
    display: block;
    width: 185px;
    line-height: 20px;
}
.connect_course li a:hover
{
    text-decoration: underline;
}
.main .tab_nav
{
    height: 40px;
    border-bottom: 1px solid #D90012;
}
.main .tab_nav a
{
    float: left;
    line-height: 40px;
    font-size: 18px;
    color: #000;
    margin-right: 130px;
}
.main .tab_nav a.active
{
    color: #D90012;
    font-size: 18px;
    border-bottom: 2px solid #D90012;
    line-height: 38px;
}
.main .tab
{
    display: none;
    padding: 40px 0;
    width: 615px;
}
.main .course_tab
{
    line-height: 28px;
}
.main .course_tab img
{
    /*width: 100% !important;*/
    max-width:619px;
}
.main .repeat_play_tab dl dt, .main .video_catalog_tab dl dt
{
    line-height: 60px;
    font-size: 20px;
    color: black;
}
.main .repeat_play_tab dl dd, .main .video_catalog_tab dl dd
{
    padding-left: 15px;
    border-bottom: 1px solid #ddd;
    line-height: 38px;
    color: black;
}
.main .repeat_play_tab dl dd, .main .video_catalog_tab dl dd .iconfont
{
    margin-right: 5px;
}
.main .comment_tab
{
    width: 588px;
}
.group_head_bar
{
    padding: 20px 0 4px;
    line-height: 40px;
}
.group_lay_play
{
    height: 438px;
}
.group_state_box
{
    height: 100%;
    width: 690px;
    padding-right: 472px;
    position: relative;
}
.group_state_box .play_block
{
    height: 100%;
    background: top center no-repeat;
    background-size: 100% 100%;
    position: relative;
    cursor: pointer;
}
.group_state_box .play_block i
{
    background: #000;
    opacity: 0.4;
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
}
.group_state_box .play_block i.ic
{
    background: url(/Video/img/play_circle.png) no-repeat center;
    opacity: 1;
}
.group_state_box .cont
{
    width: 472px !important;
    height: 100%;
    position: absolute;
    top: 0;
    right: 0;
    left: auto;
}
.group_state_box .cont .time, .group_state_box .cont .number, .group_state_box .cont .price
{
    font-size: 18px;
    line-height: 36px;
}
.group_state_box .cont .tit
{
    font-size: 24px;
    line-height: 40px;
    padding-bottom: 30px;
}
.group_state_box .cont .btn
{
    width: 330px;
    font-size: 18px !important;
}
.group_state_box .cont .price
{
    margin-bottom: 42px;
}
.main .catalog_tab li
{
    background: white;
    height: 144px;
    margin-bottom: 19px;
    background: #fff;
}
.main .catalog_tab li .img
{
    width: 248px;
    height: 144px;
    float: left;
}
.main .catalog_tab li .img img
{
    width: 248px;
    height: 144px;
}
.main .catalog_tab li .text
{
    padding: 15px 0 15px 30px;
    float: left;
    line-height: 24px;
}
.main .catalog_tab li .text h3
{
    padding: 10px 0 14px;
    font-size: 15px;
    font-weight: bold;
}
.main .catalog_tab li .text p
{
    color: #999;
    font-size: 13px;
}
.group_teachers a
{
    float: left;
    width: 50%;
    text-align: center;
    cursor: pointer;
    margin: 12px 0;
}
.group_teachers a img
{
    width: 110px;
    height: 110px;
    margin: 7px 0;
}
.group_teachers a span
{
    display: block;
    line-height: 20px;
    font-size: 14px;
}
.group_teachers a span.high
{
    color: #3788bb;
    font-size: 12px;
}
.video_catalog_tab p.point_bar
{
    margin-top: -20px;
    padding: 5px 15px;
    line-height: 20px;
    color: #000;
    font-style: 14px;
    background: #e5e5e5;
}
.video_catalog_tab dl
{
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
}
.video_catalog_tab dd
{
    border-bottom: none !important;
    color: #a0a0a0 !important;
    cursor: pointer;
    padding: 2px 0;
}
.video_catalog_tab dd div
{
    position: relative;
    line-height: 30px;
}
.video_catalog_tab dd .try_btn, .video_catalog_tab dd .buy_btn
{
    color: #000;
    font-weight: bold;
    position: absolute;
    right: 110px;
    top: 0;
    display: none;
}
.video_catalog_tab dd .hide_bar
{
    display: none;
}
.video_catalog_tab dd .time
{
    margin-left: 10px;
    float:right;
}
.video_catalog_tab dd.free
{
    color: #000 !important;
}
.video_catalog_tab dd.free i
{
    color: #167ed9;
}
.video_catalog_tab dd:hover
{
    background: #e5e5e5;
}
.video_catalog_tab dd:hover .hide_bar, .video_catalog_tab dd:hover .try_btn, .video_catalog_tab dd:hover .buy_btn
{
    display: block;
}
.video_catalog_tab dd:hover .hide_bar
{
    padding-left: 22px;
}
.introduce_pop_wrp
{
    height: 100%;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 20000;
    overflow: auto;
    display: none;
}
.lock
{
    background: black;
    opacity: 0.6;
}
.introduce_pop_box .close
{
    width: 30px;
    height: 30px;
    font-size: 20px;
    text-align: center;
    line-height: 30px;
    position: absolute;
    right: 5px;
    top: 5px;
    color: #666;
    cursor: pointer;
}
.introduce_pop_box
{
    width: 94%;
    max-width: 812px;
    padding: 50px 30px;
    background: white;
    margin: 0 auto;
    position: relative;
}
.introduce_pop_box .extend
{
    line-height: 26px;
    font-size: 14px;
    color: #666;
    padding: 0 10px;
}
.introduce_pop_box .extend img
{
    display: block;
    max-width: 100%;
    margin: 0 auto;
}
@media screen and (max-width: 1272px)
{
    *
    {
        box-sizing: border-box;
    }
    .lay_1202
    {
        width: auto;
    }
    .state_box
    {
        margin: 0;
    }
    .main
    {
        width: 64%;
    }
    .aside
    {
        width: 34%;
    }
    .main .tab, .main .tab_nav
    {
        width: auto;
        margin-right: 40px;
    }
    .main .tab_nav a
    {
        margin-right: 90px;
    }
    .comment .set_text > div
    {
        width: 100%;
        margin-top: 20px;
    }
    .comment .set_text textarea
    {
        width: 100%;
        box-sizing: border-box;
    }
}
@media screen and (max-width: 950px)
{
    .main .tab_nav a
    {
        width: 33.333333%;
        margin-right: 0px;
        text-align: center;
        font-size: 16px;
    }
    .main .tab_nav a.active
    {
        border-bottom: 0;
    }
    .group_teachers a
    {
        width: 100%;
    }
    .lay_1202
    {
        width: auto;
        margin: 0 15px;
    }
    .state_box
    {
        margin: 0;
    }
    .main
    {
        width: auto;
        float: none;
    }
    .aside
    {
        width: auto;
        float: none;
        margin-top: 20px;
    }
    .connect_course ul
    {
        overflow: hidden;
    }
    .connect_course li
    {
        width: 185px;
        float: left;
        margin-right: 20px;
    }
}