*,:before,:after{box-sizing:border-box}:root{--color-primary:#1677ff;--color-primary-hover:#4096ff;--color-text:#000000e0;--color-text-secondary:#000000a6;--color-border:#d9d9d9;--color-bg:#f5f5f5;--color-surface:#fff;--radius-md:8px;--shadow-sm:0 1px 2px #0000000f;--font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif}html,body{min-height:100%;font-family:var(--font-family);color:var(--color-text);background:var(--color-bg);margin:0}body{line-height:1.5}button,input,select{font:inherit}