.btn-hotspot-area {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding-top: 77%;
}

.hotspot-btn {
    width: 50%;
    max-width: 400px;
    height: auto;
    cursor: pointer;
    margin-bottom: 10px;
    transition: transform 0.2s;
}

.hotspot-btn:hover {
    transform: scale(1.02);
}

/* 响应式调整 */
@media (max-width: 480px) {
    .btn-hotspot-area {
        padding-top: 57%;
    }
    .hotspot-btn {
        width: 60%;
        max-width: 280px;
        margin-bottom: 6px;
    }
}

@media (min-width: 768px) {
    .btn-hotspot-area {
        padding-top: 80%;
    }
    .hotspot-btn {
        max-width: 400px;
    }
}