:root{--background:#fff;--surface:#f7f8fc;--surface-strong:#eff1f8;--foreground:#1f2430;--muted:#667085;--line:#e7e9f2;--accent:#673ddc;--accent-hover:#5b32cf;--accent-soft:#f3efff;--accent-line:#d9ccff;--shadow-soft:0 24px 60px #27175814}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--background);min-height:100vh;color:var(--foreground);text-rendering:optimizelegibility;margin:0;font-family:MiSans VF,MiSans,PingFang SC,Hiragino Sans GB,Noto Sans CJK SC,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}img,svg{max-width:100%;display:block}::selection{background:#673ddc2e}