*,*:before,*:after{box-sizing:border-box}html,body,#app{margin:0;padding:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:#f6f7fb;color:#222;-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit}.page-shell{min-height:100vh;padding-bottom:calc(56px + env(safe-area-inset-bottom))}