.floating-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    background: url('imggame/777.png') no-repeat center/cover;
    border-radius: 50%;
    border: 2px solid transparent;
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5), 0 0 20px rgba(0, 240, 255, 0.3), 0 0 30px rgba(0, 240, 255, 0.1);
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    animation: pulse 1.5s ease-in-out infinite alternate;
    z-index: 1000;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.8), 0 0 30px rgba(0, 240, 255, 0.5), 0 0 45px rgba(0, 240, 255, 0.3);
    border-color: rgba(0, 240, 255, 0.8);
}

@keyframes pulse {
    from {
        transform: scale(1);
        box-shadow: 0 0 10px rgba(0, 240, 255, 0.5), 0 0 20px rgba(0, 240, 255, 0.3), 0 0 30px rgba(0, 240, 255, 0.1);
    }
    to {
        transform: scale(1.05);
        box-shadow: 0 0 15px rgba(0, 240, 255, 0.8), 0 0 30px rgba(0, 240, 255, 0.5), 0 0 45px rgba(0, 240, 255, 0.3);
    }
}

@media (max-width: 768px) {
    .floating-btn {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }
}