:root{color-scheme:light;background:#f4f6fa;color:#111827;font-family:Arial,Microsoft YaHei,PingFang SC,sans-serif}*{box-sizing:border-box}body{min-height:100vh;margin:0;background:radial-gradient(circle at top,rgb(224 231 255/.8),transparent 36rem),#f4f6fa}button,input{font:inherit}button:focus-visible,input:focus-visible{outline:3px solid rgb(79 70 229/.35);outline-offset:2px}