#menuBtn{

        position: fixed;

        top: 20px;
        left: 20px;

        z-index: 20;

        width: auto;
        padding: 12px 18px;

        border: none;
        border-radius: 14px;

        background: rgba(20,40,80,0.85);

        color: #d8ecff;

        font-size: 15px;

        cursor: pointer;

        backdrop-filter: blur(10px);

        border: 1px solid rgba(120,180,255,0.25);

        box-shadow:
            0 0 18px rgba(0,140,255,0.25);

        transition: 0.25s;
    }

    #menuBtn:hover{

        transform: translateY(-2px);

        background: rgba(40,80,140,0.95);

        box-shadow:
            0 0 24px rgba(80,180,255,0.45);
    }




        :root {
            --bg-color: #0b0f19;
            --panel-bg: rgba(18, 26, 43, 0.8);
            --border-color: #1e2d4a;
            --accent-cyan: #00f3ff;
            --accent-pink: #ff0055;
            --accent-purple: #9d00ff;
            --text-color: #e2e8f0;
            --text-dim: #94a3b8;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-color);
            min-height: 100vh;
            display: flex;
            overflow: auto;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(0, 243, 255, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(255, 0, 85, 0.05) 0%, transparent 20%);
        }

        /* 滚动条样式 */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-color);
        }
        ::-webkit-scrollbar-thumb {
            background: #1e293b;
            border-radius: 4px;
            border: 1px solid var(--border-color);
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-cyan);
        }

        /* 页面主要容器 */
        .app-container {
            display: flex;
            width: 100vw;
            min-height: 100vh;
            padding: 20px;
            gap: 20px;
        }

        /* 左侧展示区域 */
        .display-section {
            flex: 1;
            min-width: 300px;
            background: var(--panel-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.5), inset 0 0 15px rgba(0, 243, 255, 0.05);
            backdrop-filter: blur(10px);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            padding: 20px;
            position: relative;
            min-height: 450px;
            overflow: hidden;
        }

        canvas {
            width: 100%;
            height: 100%;
            display: block;
        }

        /* 右侧控制面板区域 */
        .control-section {
            width: 360px;
            background: var(--panel-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 24px;
            box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(10px);
            overflow-y: auto;
            max-height: calc(100vh - 40px);
        }

        /* 标题样式 */
        .header h1 {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent-cyan), #ffffff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
            letter-spacing: 1px;
        }

        .header p {
            font-size: 0.85rem;
            color: var(--text-dim);
            line-height: 1.4;
        }

        /* 控制组样式 */
        .control-card {
            background: rgba(10, 15, 26, 0.6);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 16px;
            position: relative;
        }

        .control-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 3px; height: 100%;
            border-radius: 3px 0 0 3px;
        }

        .card-wave1::before { background: var(--accent-cyan); }
        .card-wave2::before { background: var(--accent-pink); }

        .card-title {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .card-wave1 .card-title { color: var(--accent-cyan); }
        .card-wave2 .card-title { color: var(--accent-pink); }

        .slider-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .slider-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .slider-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-dim);
        }

        .slider-val {
            color: var(--text-color);
            font-weight: bold;
        }

        /* Slider 样式自定义 */
        input[type="range"] {
            -webkit-appearance: none;
            width: 100%;
            height: 4px;
            background: #1e293b;
            border-radius: 2px;
            outline: none;
        }

        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .card-wave1 input[type="range"]::-webkit-slider-thumb {
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-cyan);
        }

        .card-wave2 input[type="range"]::-webkit-slider-thumb {
            background: var(--accent-pink);
            box-shadow: 0 0 8px var(--accent-pink);
        }

        /* 按钮组 */
        .button-group {
            display: flex;
            gap: 12px;
            margin-top: auto;
        }

        .btn {
            flex: 1;
            padding: 12px;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s ease;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 6px;
        }

        .btn-primary {
            background: linear-gradient(135deg, rgba(0, 243, 255, 0.2), rgba(0, 243, 255, 0.05));
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 10px rgba(0, 243, 255, 0.1);
        }

        .btn-primary:hover {
            background: var(--accent-cyan);
            color: #000;
            box-shadow: 0 0 15px rgba(0, 243, 255, 0.4);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            color: var(--text-dim);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-color);
        }

        /* 响应式媒体查询：移动端/小屏自动上下分行 */
        @media (max-width: 850px) {
            .app-container {
                flex-direction: column;
                height: auto;
            }

            .control-section {
                width: 100%;
                max-height: none;
            }

            .display-section {
                height: 450px;
            }
        }