.trstyle{width:100%;height:auto}.fir_li{list-style:none;margin:20px auto;font-size:14px;color:#555;vertical-align:middle;text-indent:20px;background:#f8f8f8;width:100%;-webkit-box-sizing:border-box;box-sizing:border-box}.head{height:50px;line-height:50px;position:relative;border-left:none}.checkall span,.fir_li span{margin-left:20px}.checkstyle{position:absolute;top:50%;margin-top:-6px;width:15px;height:15px;border:1px solid #333;background:#fff}input[type=checkbox]:checked+.checkstyle{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGsAAABsCAYAAABtuky0AAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAAL7SURBVHhe7drLihNBGMXxPIYo8zQKIoIIgooLN/pAXt5ARkVHR0VBERwXrtzqRsTbM4ji3KTsw3RBCBVT6a6qrlPf+eC/SKfToftHkSbJzHXztuvYDVVz7zqj2fX34SdVfc1CG1WdCYsoYRElLKKERZSwiBIWUcIiSlhECYsoYRElLKKERZSwiBIWUcIiSlhECYsoYRElLKKERZSwiBIWUcIiSlhECYsoYRElrESdfRDenjJhjWzjlnM73537c+DchUfhfVIlrBF5KD8AO/cwvG+KhDWwRSg/v/fzgQlrQMug/ADszP3wa8ckrDVbBeXn1156MGGt2ZsIKD93PoSPMTRhRRa7ovw8/+zc8ZvhYw1NWBHVAIWEtaJaoJCw/lNNUEhYS6oNCgkrUI1QSFgL1QqFhDVXzVBIWH21QyFhdTFAIfNYLFDINBYTFDKLxQaFTGIxQiFzWKxQyBQWMxTKjrVx27mXX5y7tB1+vlTsUCgr1vwF2j907uLj8H65awEKZcM60Z3s4gWaAqwVKJQFC1CvvvZnvzAlwVqCQsmxcLLLoPyUAGsNCiXH2vzYn33EXHkaPkaKXn/r3yRitj+Fj1FbybFO3zv6z1zM5FhhLa4oX5bPrKnAWoZCWbBQabDWoVA2LFQKzAIUyoqFAPZzt79KK2YImBUolB0LndzMA2YJChXBQqnBrEGhYlgoFZhFKFQUC40FswqFimOhoWCWodAkWOjU3Q4s8rYeg6+mdn70DyIGUKH3ZW4yLLTOCltnWltRvkmxUGqwVqHQ5FgoFVjLUKgKLDQWrHUoVA0WGgpmAQpVhYVwl7jb3a7HDssPhymqDgtdfuLcXgSYlRXlqxILAezgb68SGGtQqFosdPVZGMwiFKoaCwHscA7MKhSqHgtde3EEZhkKUWCh81vh7ZaiwVLCokpYRAmLKGERJSyihEWUsIgSFlHCIkpYRAmLKGERJSyihEWUsIgSFlHCIkpYRAmLKGERJSyihEWUsIgSFlHCIkpYNDn3DzHyTIhIKXwnAAAAAElFTkSuQmCC);background-size:100%;border:0 solid}.sec_ul{width:100%;overflow:hidden;height:auto;background:#fff;display:-webkit-box;display:-ms-flexbox;display:flex;-ms-flex-flow:wrap;flex-flow:wrap}.sec_ul li{list-style:none;position:relative;height:50px;line-height:50px;width:200px;-webkit-box-sizing:border-box;box-sizing:border-box}.login-btn{margin-left:45%;width:80px;height:35px;color:#fff;background-color:#1890ff;border-color:#1890ff}.checkall{left:45%}