.course-info-bar[data-v-4c269103]{position:sticky;top:0;z-index:20;width:auto;box-sizing:border-box;display:flex;align-items:center;background-color:#fff;margin:-30px -30px 20px -30px;padding:15px 30px;border-radius:15px 15px 0 0;box-shadow:0 4px 10px 0 hsla(0,0%,40%,.12)}.course-info-bar .course-thumb[data-v-4c269103]{width:125px;height:70px;border-radius:4px;flex-shrink:0;margin-right:15px}.course-info-bar .course-name[data-v-4c269103]{flex:1;font-size:16px;font-weight:600;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.title[data-v-4c269103]{width:100%;height:auto;border-left:4px solid #3ca7fa;font-size:14px;line-height:16px;font-weight:600;color:#333;padding-left:10px}.mask[data-v-4c269103]{position:fixed;top:0;left:0;right:0;bottom:0;z-index:901;background-color:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center}.mask .attach-dialog-box[data-v-4c269103]{width:600px;min-height:400px;max-height:calc(100vh - 60px);background-color:#fff;border-radius:8px;animation:scaleBig .3s;display:flex;flex-direction:column}.mask .attach-dialog-box .attach-dialog-header[data-v-4c269103]{width:100%;height:auto;box-sizing:border-box;padding:20px 30px 20px 30px;line-height:18px;position:relative;display:flex;flex-direction:row;justify-content:space-between;align-items:center}.mask .attach-dialog-box .attach-dialog-header span[data-v-4c269103]{flex:1;font-size:18px;font-weight:500;color:#333}.mask .attach-dialog-box .attach-dialog-header .icon-close[data-v-4c269103]{width:16.25px;height:16.25px;cursor:pointer}.mask .attach-dialog-box .attach-dialog-header .icon-close[data-v-4c269103]:hover{opacity:.8}.mask .attach-dialog-box .attach-dialog-body[data-v-4c269103]{flex:1;box-sizing:border-box;padding:0 30px 30px 30px;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden}.mask .attach-dialog-box .attach-dialog-body .attach-actions[data-v-4c269103]{width:100%;margin-bottom:20px}.mask .attach-dialog-box .attach-dialog-body .attach-list[data-v-4c269103]{width:100%}.mask .attach-dialog-box .attach-dialog-body .attach-list .attach-item[data-v-4c269103]{width:100%;height:50px;display:flex;flex-direction:row;align-items:center;padding:10px 0;border-bottom:1px solid #f0f0f0}.mask .attach-dialog-box .attach-dialog-body .attach-list .attach-item .attach-name[data-v-4c269103]{flex:1;display:flex;align-items:center;overflow:hidden}.mask .attach-dialog-box .attach-dialog-body .attach-list .attach-item .attach-name i[data-v-4c269103]{font-size:18px;color:#409eff;margin-right:10px}.mask .attach-dialog-box .attach-dialog-body .attach-list .attach-item .attach-name span[data-v-4c269103]{font-size:14px;color:#333;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mask .attach-dialog-box .attach-dialog-body .attach-list .attach-item .attach-size[data-v-4c269103]{width:100px;text-align:center;font-size:13px;color:#999}.mask .attach-dialog-box .attach-dialog-body .attach-list .attach-item .attach-time[data-v-4c269103]{width:160px;text-align:center;font-size:13px;color:#999}.mask .attach-dialog-box .attach-dialog-body .attach-list .attach-item .attach-actions-item[data-v-4c269103]{width:120px;text-align:right}.c-red[data-v-4c269103]{color:#f56c6c}