@charset "UTF-8";
/**********课件中心 start**********/
.courseware_banner{
    position:relative;
    width:100%;
    min-width:1280px;
    height:350px;
    overflow:hidden;
}
.courseware_center{
    position:absolute;
    left:50%;
    transform:translate(-50%,0);
    width:1920px;
    height:350px;
    background:url("../images/courseware_banner.jpg") no-repeat center;
}
/*显示检索区 strat*/
.courseware_up{
    position:relative;
    margin:25px auto 0;
    overflow:hidden;
}
.courseware_btn{
    position:relative;
    width:100%;
    background:#fff;
    border-radius:15px 0 0 15px;
    padding:15px 0;
    margin-bottom:15px;
    overflow:hidden;
}
.courseware_btn dt{
    position:absolute;
    left:0;
    top:0;
    display: flex;
    align-items: center;
    justify-content: center;
    width:130px;
    height:100%;
    background:#cf1e15;
    font-size: 16px;
    color:#fff;
    text-align:center;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.courseware_btn dd{
    width:100%;
    line-height:30px;
    font-size:15px;
    color:#000;
    padding-left:145px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.courseware_btn dd a{
    float:left;
    padding:0 10px;
    margin:5px;
    transition:all .3s;
}
.courseware_btn dd a:hover,
.courseware_btn dd a.current{
    background:#cf1e15;
    border-radius:5px;
    color:#fff;
}
.form_item{
    position:relative;
    width:100%;
    background:#fff;
    border-radius:15px 0 0 15px;
    margin-top:15px;
    overflow:hidden;
}
.layui-form h2{
    position:absolute;
    left:0;
    top:0;
    display:flex;
    align-items: center;
    justify-content: center;
    width:130px;
    height:100%;
    background:#cf1e15;
    font-size: 16px;
    color:#fff;
    text-align:center;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.form_nav{
    width:100%;
    font-size:15px;
    color:#000;
    padding:25px 25px 25px 150px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.layui-form-pane .layui-form-checkbox{ margin:6px 0 6px 10px;}
.layui-form-checkbox[lay-skin=primary] i{ border-color:#ccc;}
.layui-form-checkbox[lay-skin=primary]:hover i{ border-color:#cf1e15;}
.layui-form-checked[lay-skin=primary] i{
    border-color: #cf1e15!important;
    background-color: #cf1e15;
}
.layui-form-pane .layui-input{ 
    width:300px;
    border-radius:5px;
}
.form_btn{
    display:inline-block;
    width:140px;
    height:38px;
    line-height:38px;
    background:#cf1e15;
    border-radius:5px;
    font-size:15px;
    color:#fff;
    text-align:center;
    margin-left:10px;
}
.form_btn:hover{
    color:#ffd500;
}
/*显示检索区 end*/

/*课件列表 start*/
.courseware_box .item{
    width:100%;
    display:none;
}
.courseware_list{
    width:100%;
}
.courseware_list li{
    position:relative;
    float:left;
    width:calc(25% - 15px);
    background:#fff;
    box-shadow:0 0 5px 1px rgba(0,0,0,0.08);
    margin:20px 20px 0 0;
    padding:10px;
    transition:all .5s ease;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.courseware_list li:nth-child(4n){
    margin-right:0;
}
.courseware_list li:hover{
    background:#fff;
    box-shadow:0 16px 16px rgba(0,0,0,.1);
}
.courseware_list li a{
    display:block;
    width:100%;
    overflow:hidden;
}
.courseware_list li .c_up{
    position:relative;
    width:100%;
    cursor:pointer;
    overflow:hidden;
}
.courseware_list li .c_up i.mask{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background:#000;
    opacity:0;
    z-index:1;
}
.courseware_list li:hover i.mask{
    opacity:.3;
}
.courseware_list li .c_up i.icon_play{
    position:absolute;
    top:50%;
    left:50%;
    margin:-25px 0 0 -25px;
    width:50px;
    height:50px;
    background:url("../images/icon_courseware.png") no-repeat center;
    background-size:cover;
    transform: scale(0.1);
    -webkit-transform: scale(0.1);
    transition: all .35s ease-out;
    z-index:2;
    opacity:0;
}
.courseware_list li:hover i.icon_play{
    transform:scale(1.2);
    opacity:1;
}
.courseware_list li .c_up i.icon_jiao{
    position:absolute;
    top:0;
    right:0;
    z-index:3;
    width:80px;
    height:35px;
    line-height:35px;
    background:#cf1e15;
    border-radius:0 0 0 8px;
    color:#fff;
    font-size:14px;
    text-align: center;
    overflow:hidden;
}
.courseware_list li .c_up img{
    width:100%;
    transition: all .5s;
}
.courseware_list li:hover img{
    transform:scale(1.1,1.1);
}
.courseware_list li .c_down{
    position:relative;
    z-index:2;
    width:100%;
    padding:10px 10px 0;
    transition: all .5s;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.courseware_list .c_down h4{
    width:100%;
    line-height:30px;
    color:#000;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow:hidden;
}
.courseware_list li:hover h4{ color:#000;}
.courseware_list li .c_btn{
    width:100%;
    overflow:hidden;
}
.courseware_list .c_btn a{
    float:left;
    width:calc((100% - 15px)/2);
    line-height:40px;
    border-radius:40px;
    margin:15px auto;
    text-align:center;
    overflow:hidden;
    box-sizing: border-box;
}
.courseware_list li .look{
    color:#cf1e15;
    background:#ffd8d6;
    border:2px solid #ffd8d6;
    margin-right:15px;
    transition:all .3s;
}
.courseware_list li .look:hover{
    background:#ffebea;
}
.courseware_list li .ppt,
.courseware_list li .pdf{ 
    color:#fff;
    background:#cf1e15;
    border:2px solid #cf1e15;
    transition:all .3s;
}
.courseware_list li .ppt:hover,
.courseware_list li .pdf:hover{
    background:#e32c23;
    color:#fff;
    border-color:#ffd500;
}
/*课件列表 end*/

/*PPT弹窗 start*/
.ppt_layer{
    position:fixed;
    z-index:9999;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:rgba(0,0,0,.6);
    filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000, endColorstr=#99000000);
    overflow-y:scroll;
    display:none;
}
.ppt_nav{
    width:1100px;
    background:#fff;
    padding:0 40px 40px;
    margin:0 auto;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.ppt_nr{
    width:100%;
    overflow:hidden;
}
.ppt_nr img.preview_tu{
    max-width:100%;
    margin-top:80px;
}
.download_fixed{
    position:fixed;
    width:1020px;
    height:80px;
    background:#fff;
    border-bottom:2px solid #e6e6e6;
    overflow:hidden;
}
.download_fixed a{
    display:block;
    width:200px;
    height:50px;
    line-height:50px;
    background:#d1141c;
    border-radius:5px;
    color:#fff;
    font-size:18px;
    text-align: center;
    margin:15px auto;
    overflow:hidden;
}
.download_fixed a img{
    width:30px;
    vertical-align: -8px;
    margin-right:10px;
}
.icon_close{
    float:right;
    width:40px;
    height:40px;
    background:url("../images/icon_close.png") no-repeat center;
    background-size:cover;
    margin:20px 0;
    cursor:pointer;
    overflow:hidden;
}
::-webkit-scrollbar {
    -webkit-appearance: none;
    width: 7px;
}
::-webkit-scrollbar-thumb {
    border-radius: 4px;
    background-color: rgba(0,0,0,.5);
    -webkit-box-shadow: 0 0 1px rgba(255,255,255,.5);
}
/*PPT弹窗 end*/
/**********课件中心 end**********/