#app{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#2c2c2c;background:#faf9f7;min-height:100vh}:root{--primary-color:#1a5f5a;--primary-color-end:#2d8a84;--color-primary:var(--primary-color);--color-primary-light:var(--primary-color-end);--color-bg:#faf9f7;--color-bg-card:#fff;--color-text:#2c2c2c;--color-text-secondary:#6b6b6b;--color-text-light:#999;--color-border:#e8e6e1;--color-success:#52c41a;--shadow-sm:0 2px 8px rgba(26,95,90,0.06);--shadow-md:0 4px 16px rgba(26,95,90,0.1);--radius-sm:8px;--radius-md:12px;--radius-lg:20px;--radius-full:9999px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--color-bg);color:var(--color-text);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}.action-card,.btn,.history-card,.product-card,.tab-item,button{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;user-select:none;touch-action:manipulation;transition:transform .1s ease,opacity .1s ease}.btn:active,button:active{transform:scale(.96);opacity:.9}.action-card:active,.history-card:active,.product-card:active{transform:scale(.98)}.btn:disabled,button:disabled{transform:none;opacity:.6}