.courses_list .item{display:-webkit-box;display:-ms-flexbox;display:flex;padding:24px 0;border-bottom:1px solid #eee}.courses_list .item .banner{width:198px;height:148px;border-radius:10px}.courses_list .item .center_box{cursor:pointer;-webkit-box-flex:1;-ms-flex:1;flex:1;height:148px;margin-left:16px;margin-right:30px}.courses_list .item .center_box .course_title{display:-webkit-box;display:-ms-flexbox;display:flex;font-size:16px;font-family:MicrosoftYaHeiSemibold;color:#41444c;font-weight:700}.courses_list .item .center_box .course_brief{font-size:14px;font-family:MicrosoftYaHei;color:#99a0b2;line-height:24px;margin-top:11px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2}.courses_list .item .center_box .course_log{margin-top:50px;font-size:14px;font-family:MicrosoftYaHei;color:#41444c;line-height:14px}.courses_list .item .center_box .course_log span{color:#99a0b2}.courses_list .item .right_box .delete{font-size:12px;font-family:MicrosoftYaHei;color:#ccc;line-height:12px;text-align:right;margin-bottom:88px;cursor:pointer}.courses_list .item .right_box .but_{cursor:pointer;background:#004082;border-radius:8px;color:#fff}.courses_list .item .right_box .but_,.courses_list .item .right_box .but_1{width:140px;height:44px;text-align:center;font-size:16px;font-family:MicrosoftYaHeiSemibold;line-height:44px}.courses_list .item .right_box .but_1{background:#eee;border-radius:4px;color:#ccc}.nodata{font-size:14px;font-family:MicrosoftYaHei;color:#99a0b2;line-height:14px;text-align:center;margin:150px 0}.nodata .get_coures{width:140px;height:44px;background:#004082;border-radius:8px;font-size:16px;font-family:MicrosoftYaHeiSemibold;color:#fff;line-height:44px;display:block;margin:20px auto;cursor:pointer}