/* 平板设备 */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .title {
        font-size: 2rem;
    }
    
    .vinyl-player {
        width: 250px;
        height: 250px;
    }
    
    .sounds-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* 移动设备 */
@media (max-width: 480px) {
    .container {
        padding: 10px;
    }
    
    .title {
        font-size: 1.8rem;
    }
    
    .vinyl-player {
        width: 200px;
        height: 200px;
    }
    
    .tonearm {
        width: 100px;
        top: 40px;
    }
    
    .controls {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .control-btn {
        width: 45px;
        height: 45px;
    }
    
    .sounds-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}