:root{color-scheme:light;--background:#f8fafc;--foreground:#172033;--muted:#64748b;--surface:#ffffff;--border:#d8dee8;--accent:#0f766e;--accent-strong:#115e59;--accent-soft:#ccfbf1;--focus:#2563eb}*{box-sizing:border-box}body,html{min-height:100%;margin:0}body{background:var(--background);color:var(--foreground);font-family:Arial,Microsoft YaHei,sans-serif}a{color:inherit}button,input,select,textarea{font:inherit}