</div>
<input type="range" class="input-field" data-effect="chorus" min="0" max="100" value="15">
</div>
</div>

<div class="card">
<h4 style="margin-bottom: var(--space-sm); color: var(--color-primary);">和声智能系统</h4>
<div class="input-group">
<label class="input-label">和声类型</label>
<select class="input-field" id="harmony-type">
<option value="none">无和声</option>
<option value="octave">八度和声</option>
<option value="third">三度和声</option>
<option value="fifth">五度和声</option>
<option value="full">完整和声</option>
</select>
</div>
<div class="slider-group">
<div class="slider-label">
<span>和声强度</span>
<span class="slider-value" id="harmony-intensity-value">50%</span>
</div>
<input type="range" class="input-field" id="harmony-intensity" min="0" max="100" value="50">
</div>
</div>

<div class="card">
<h4 style="margin-bottom: var(--space-sm); color: var(--color-primary);">节奏智能系统</h4>
<div class="input-group">
<label class="input-label">拍号</label>
<select class="input-field" id="time-signature">
<option value="4/4">4/4拍</option>
<option value="3/4">3/4拍</option>
<option value="6/8">6/8拍</option>
<option value="2/4">2/4拍</option>
</select>
</div>
<div class="slider-group">
<div class="slider-label">
<span>摇摆感</span>
<span class="slider-value" id="swing-value">0%</span>
</div>
<input type="range" class="input-field" id="swing" min="0" max="100" value="0">
</div>
</div>
</aside>

<!-- 底部系统 -->
<footer class="component" style="grid-column: 1 / -1;">
<div style="display: grid; grid-template-columns: auto 1fr auto; gap: var(--space-lg); align-items: center;">
<div style="display: flex; gap: var(--space-sm);">
<button class="btn btn-success" id="play-btn">
<span>▶️</span>
<span>播放</span>
</button>
<button class="btn btn-danger" id="stop-btn">
<span>⏹️</span>
<span>停止</span>
</button>
<button class="btn btn-warning" id="record-btn">
<span>⏺️</span>
<span>录制</span>
</button>
<button class="btn btn-info" id="loop-btn">
<span>🔁</span>
<span>循环</span>
</button>
</div>

<div class="progress-container">
<div class="progress-bar">
<div class="progress-fill" id="progress"></div>
<div class="section-markers" id="section-markers"></div>
</div>
<div style="display: flex; justify-content: space-between; font-size: var(--font-size-xs); color: var(--color-secondary);">
<span id="current-time">00:00</span>
<span id="total-time">00:00</span>
</div>
</div>

<div class="status-system">
<div class="current-status" id="current-section">[系统就绪]</div>
<div class="status-details">
<span id="current-bpm">BPM: 120</span> |
<span id="current-voice">发音人: 温柔女声</span>
</div>
</div>
</div>
</footer>
</div>

<script>
// 🎵 超高级音乐编排与情感语音合成系统
// 基于系统思维、过程思维、全局与局部思维、极限思维设计

class UltraAdvancedMusicSystem {
constructor() {
// 系统核心状态 - 全局思维
this.systemState = {
// 音频系统
audioContext: null,
isPlaying: false,
isRecording: false,
isLooping: false,
isInitialized: false,

// 时间系统
currentTime: 0,
totalTime: 0,
startTime: 0,
animationFrame: null,

// 数据系统
sections: [],
currentSectionIndex: 0,
recordingData: [],
audioNodes: new Map(),

// 性能监控
performance: {
frameCount: 0,
lastFpsUpdate: 0,
currentFps: 0,
memoryUsage: 0
}
};

// 配置系统 - 局部思维
this.config = {
// 音频配置
audio: {
sampleRate: 44100,
numberOfChannels: 2,
bufferSize: 4096
},

// 性能配置
performance: {
maxPolyphony: 32,
bufferPoolSize: 10,
gcInterval: 30000 // 30秒垃圾回收
},

// 用户体验配置
ux: {
messageTimeout: 3000,
loadingTimeout: 10000,
autoSaveInterval: 30000
}
};

// 情感智能系统
this.emotionSystem = {
profile: {
happiness: 50,
sadness: 20,
anger: 10,
calmness: 70
},
analysis: {
keywords: {
happiness: ['开心', '快乐', '喜悦', '幸福', '笑', '欢', '喜'],
sadness: ['悲伤', '伤心', '哭泣', '眼泪', '离别', '愁', '哀'],