:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}body{margin:0;background:var(--tg-theme-bg-color, #ffffff);color:var(--tg-theme-text-color, #111111)}a{color:var(--tg-theme-link-color, #2ea6ff)}button{padding:10px 12px;border-radius:10px;border:1px solid rgba(0,0,0,.15);background:var(--tg-theme-button-color, #2ea6ff);color:var(--tg-theme-button-text-color, #ffffff)}