.preview{margin-left:20px;flex:1;height:600px;overflow:hidden}.preview .preview-content{height:498px;border:1px solid #ccc;border-top:none;overflow-x:hidden;overflow-y:scroll}.preview .preview-content img{width:100%!important}.preview .preview-title{height:50px;width:100%;border:1px solid #ccc;text-align:center;font-size:20px;line-height:50px}.preview .tips-text{font-size:12px;color:#ccc;margin-left:20px}