.shade-w{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);z-index:9999}.shade-w .close-btn{display:block;position:absolute;width:60px;height:60px;top:-60px;right:-100px;background:url(../images/close.png) no-repeat center/cover;cursor:pointer}.shade-w .shade-inner{width:870px;height:570px;position:absolute;top:47%;left:50%;-webkit-transform:translate(-50%,-50%);transform:translate(-50%,-50%);background-color:#fff;border-radius:8px;-webkit-box-sizing:border-box;box-sizing:border-box;padding:30px}.shade-inner .s-title{text-align:center;font-size:32px;font-weight:700;padding-bottom:15px}.shade-inner .explain{font-size:22px;line-height:1.5;white-space:pre-line}