.angie-stt-btn-6f55d3b9 {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background-color: #062767;
    color: #ffffff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background-color 0.2s ease;
    z-index: 9999;
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}

.angie-stt-btn-6f55d3b9.angie-stt-visible-6f55d3b9 {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.angie-stt-btn-6f55d3b9:hover {
    background-color: #0a3a99;
}

.angie-stt-btn-6f55d3b9:focus {
    outline: 3px solid #4a90e2;
    outline-offset: 2px;
}

@media (max-width: 768px) {
    .angie-stt-btn-6f55d3b9 {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .angie-stt-btn-6f55d3b9 {
        transition: none;
    }
}