:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:#1f2937;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html,body,#app{min-width:320px;min-height:100%;margin:0}button,input{font:inherit}