body{min-width:800px;}
main .undo{margin-top:200px;margin-bottom:30px;height:378px;margin-left: auto;max-width: 1300px;margin-right: auto;}
main .undo .left-box{width:565px;height:100%;float:left;background-image:url(../images/undo.png);background-repeat:no-repeat;background-size:contain;background-position:center right;}
main .undo .right-box{width:633px;float:right;height:100%;}
main .undo .right-box h1,main .undo .right-box p{margin-left:70px;}
main .undo .right-box h1{font-size:95px;color:#666666;margin-top:100px;margin-bottom:20px;}
main .undo .right-box p{color:#999999;font-size:20px;}