*{margin:0;padding:0;box-sizing:border-box;-webkit-touch-callout:none;user-select:none!important}html,body{overscroll-behavior:none;overflow:hidden}input,textarea{-webkit-user-select:auto}.background{position:absolute;top:0;left:0;right:0;bottom:0;background-image:url(https://ichat-bot.oss-cn-beijing.aliyuncs.com/image/page/all_bg.png);background-size:cover;background-position:center;background-repeat:no-repeat;filter:brightness(.5);z-index:-1}.page{display:flex;justify-content:center;align-items:center;width:100%;height:100%;position:fixed}.content-container{position:relative;display:flex;justify-content:center;align-items:center;transition:opacity .5s ease-in-out;opacity:1}.content-flip{opacity:0}.img{width:100%}.text{position:absolute;padding:0 42px;color:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column}.title{text-align:justify;margin-bottom:15px}.content{text-align:justify;font-size:16px;line-height:2;text-indent:2em;margin-bottom:15px}