.pro-word {
    display: inline-block;
    position: relative;
}

.pro-word::after {
    content: '';
    position: absolute;
    top: -5px;
    right: -16px;
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 10px solid #0ea5e9;
    animation: triangleBlink 2s ease-in-out infinite;
}

@keyframes triangleBlink {
    0%, 100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
    50% {
        opacity: 0.4;
        transform: translateY(-3px) scale(1.1);
    }
}