@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}

.illus {
    width: 100%;
    max-width: 320px;
    height: auto;
    animation: float 5s ease-in-out infinite;
}
.tv-btn {
    background-color: #28a745;      /* Grün */
    color: #fff;
    border: 1px solid #28a745;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
}

.tv-btn:hover {
    background-color: #218838;
    border-color: #218838;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(33,136,56,.3);
}

.tv-btn:active {
    transform: translateY(0);
}

.tv-btn:disabled,
.tv-btn.clicked {
    background-color: #6c757d;
    border-color: #6c757d;
    cursor: not-allowed;
}