At Sign

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <path
        d="M380.9 79.2c25.8 13 45.7 31.4 59.6 55s20.9 50.8 20.9 81.6c0 24.9-4.3 48.1-13 69.5-8.6 21.4-21.4 38.5-38.3 51.2-16.9 12.8-36.9 19.1-60 19.1-15.5 0-28.4-3.1-38.5-9.2-9.8-5.8-17.1-15-20.4-25.9-8.2 11.4-19 20.5-31.7 26.6-13.2 6.4-27.6 9.6-42.2 9.5-21.7 0-38.8-6.5-51.2-19.6-12.5-13-18.7-30.9-18.7-53.4-.1-20.9 4.4-41.5 13.2-60.5 8.8-18.9 21-34.1 36.5-45.5 15.1-11.3 33.5-17.3 52.3-17.1 24.6 0 41.3 8.8 50.1 26.4l4-23.3h60.7L344.9 274c-.8 4.6-1.3 9.4-1.3 14.1 0 12.9 5.7 19.4 17.1 19.3 14.1 0 24.8-9 32.3-27s11.2-38.8 11.2-62.2c0-33.7-10.6-60.1-31.9-79.2s-51.1-28.6-89.5-28.6c-32.8 0-62.7 7.9-89.5 23.7a169.56 169.56 0 0 0-63.1 64.9c-15.2 27.4-22.9 57.5-22.9 90.4 0 35.5 10.3 63 31 82.7s49.6 29.5 86.9 29.5c29 0 55-5.3 77.8-15.8l11.9 47.9c-28.7 12.6-61 18.9-96.7 18.9-33.4 0-62.8-6.4-88.2-19.3s-44.9-31.2-58.7-55c-13.8-23.7-20.7-51.5-20.7-83.1 0-44.3 10.4-84.4 31.2-120.3 20.4-35.5 50.1-64.7 86-84.4 36.5-20.4 77.3-30.6 122.5-30.6 34.6-.2 64.8 6.3 90.6 19.3zM265 294.9c7.3-5.1 13.2-12 17.2-20 4.3-8.4 6.4-17.7 6.4-27 0-10-2.8-18.1-8.4-24.4S267 214 257.3 214c-12.9 0-23.6 5.6-32.1 16.7s-12.7 24.3-12.8 39.6c0 9.7 2.5 17.4 7.5 23.3s12.3 8.8 22 8.8c8.3 0 16.4-2.6 23.1-7.5z"
    />
</svg>