body {
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #ffffff;
    color: #1d1d1f;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.record-player {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto 50px;
}

.record {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    background: linear-gradient(145deg, #1a1a1a, #2a2a2a);
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.2),
        inset 0 0 10px rgba(255, 255, 255, 0.1),
        inset 0 0 20px rgba(0, 0, 0, 0.5);
    position: relative;
    margin: 0 auto;
    animation: spin 3s linear infinite;
    animation-play-state: paused;
    /* 添加唱片纹理 */
    background-image: 
        repeating-radial-gradient(
            circle at center,
            rgba(0, 0, 0, 0) 0px,
            rgba(0, 0, 0, 0) 2px,
            rgba(0, 0, 0, 0.2) 3px,
            rgba(0, 0, 0, 0.2) 4px
        ),
        radial-gradient(
            circle at center,
            #2a2a2a 0%,
            #1a1a1a 20%,
            #1a1a1a 30%,
            #2a2a2a 40%,
            #1a1a1a 50%
        );
}

.record::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50px;
    height: 50px;
    background: radial-gradient(circle at center, #888 0%, #666 100%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

.record::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 15px;
    height: 15px;
    background: #444;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.5);
}

.arm {
    position: absolute;
    top: -20px;
    right: 50px;
    width: 100px;
    height: 20px;
    background: #555;
    transform: rotate(30deg);
    transform-origin: right center;
    transition: transform 0.3s ease;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.controls {
    margin-top: 30px;
}

select, button {
    font-family: inherit;
    font-size: 14px;
    padding: 12px 24px;
    margin: 8px;
    border-radius: 20px;
    border: none;
    outline: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

select {
    background-color: #f5f5f7;
    color: #1d1d1f;
    padding: 8px 16px;
}

button {
    background-color: #0071e3;
    color: white;
    font-weight: 500;
}

button:hover {
    background-color: #0077ed;
    transform: scale(1.02);
}

.sound-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin: 20px 0;
    padding: 0 20px;
}

.sound-btn {
    background-color: #f5f5f7;
    color: #1d1d1f;
}

.sound-btn:hover {
    background-color: #e5e5e7;
}

.sound-btn.active {
    background-color: #0071e3;
    color: white;
}

.author {
    margin-top: 30px;
    font-size: 14px;
    color: #86868b;
    font-weight: 400;
    letter-spacing: 0.5px;
}

@media (max-width: 600px) {
    .record-player {
        width: 200px;
        height: 200px;
    }
    
    .record {
        width: 180px;
        height: 180px;
    }
    
    .controls {
        padding: 0 10px;
    }
    
    button, select {
        width: 100%;
        margin: 5px 0;
    }
    
    .sound-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .author {
        margin-top: 20px;
        font-size: 12px;
    }
}