/* 播放器容器 */
        .future-player {
            background: rgba(0, 0, 0, 0.8);
            width: 25%; 
            max-width: 25%; 
            padding: 1%;
            border-radius: 20px;
            border: 2px solid #00f7ff;
            box-shadow: 0 0 40px rgba(0, 247, 255, 0.5);
            backdrop-filter: blur(10px);
            position: absolute;
            left: 10px;
            top:50px;
            overflow: hidden;
            transform-style: preserve-3d;
            perspective: 1000px;
            z-index: 10000001;
            cursor: grab;
            user-select: none;
            transition: all 0.3s ease;
        }

        /* 收起状态 */
        .future-player.collapsed {
            width: 50px;
            height: 50px;
            padding: 0;
            border-radius: 50%;
            overflow: hidden;
        }

        .future-player.collapsed .audio-wave-music,
        .future-player.collapsed .time-display,
        .future-player.collapsed .progress-container,
        .future-player.collapsed .controls,
        .future-player.collapsed .track-info,
        .future-player.collapsed .lyrics-box,
        .future-player.collapsed .music-list {
            display: none;
        }

        .future-player.collapsed .collapse-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 0.6em;
        }

        /* 动态背景光效 */
        .future-player::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(
                from 0deg,
                transparent,
                #00f7ff,
                transparent,
                #00f7ff,
                transparent
            );
            animation: rotate 10s linear infinite;
            z-index: -1;
        }

        @keyframes rotate {
            100% {
                transform: rotate(360deg);
            }
        }

        /* 3D 悬浮效果 */
        .future-player:hover {
            transform: rotateY(5deg) rotateX(5deg);
            box-shadow: 0 0 60px rgba(0, 247, 255, 0.8);
        }

        /* 音频波形动画 */
        .audio-wave-music {
            width: 100%;
            height: 50px; 
            position: relative;
            margin-bottom: 1.5rem;
            overflow: hidden;
        }

        .wave-bar-music {
            position: absolute;
            bottom: 0;
            width: 8px; 
            height: 20%;
            background: #00f7ff;
            border-radius: 4px; 
            animation: wave 1.5s infinite ease-in-out;
            opacity: 0.7;
        }

        @keyframes wave {
            0%, 100% { height: 20%; }
            50% { height: 80%; }
        }

        /* 时间显示 */
        .time-display {
            display: flex;
            justify-content: space-between;
            font-size: 0.4em; 
            margin-bottom: 0.35rem; 
            text-shadow: 0 0 5px #00f7ff;
        }

        /* 进度条 */
        .progress-container {
            width: 100%;
            height: 4px; 
            background: rgba(0, 247, 255, 0.2);
            border-radius: 2px; 
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, #00f7ff, #0066ff);
            width: 0;
            border-radius: 2px; 
            position: relative;
            transition: width 0.1s;
        }

        .progress-handle {
            width: 10px; 
            height: 10px; 
            background: #00f7ff;
            border-radius: 50%;
            position: absolute;
            right: -5px; 
            top: -3px;
            box-shadow: 0 0 10px #00f7ff;
            transition: transform 0.2s;
        }

        /* 控制按钮 */
        .controls {
            width: 100%;
            min-width: 120px;
            position: absolute;
            z-index: 100;
            display: block;
            margin-top: 0.5rem; 
        }

        .control-btn {
            background: transparent;
            border: 2px solid #00f7ff;
            color: #00f7ff;
            padding: 1px; 
            border-radius: 50%;
            width: 30px; 
            height: 30px; 
            cursor: pointer;
            display: flex;
            float: left;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
            margin-right: 1%;
        }

        .control-btn:hover {
            background: #00f7ff;
            color: #000;
            box-shadow: 0 0 20px #00f7ff;
            transform: scale(1.1);
        }

        /* 播放速度显示 */
        .speed-display {
            text-align: center;
            width: 100%;
            margin-top: 2.8rem; 
            font-size: 0.6em; 
            color: #00f7ff;
            text-shadow: 0 0 10px #00f7ff;
        }

        /* 动态光效文字 */
        .neon-text {
            text-shadow: 0 0 10px #00f7ff, 0 0 20px #00f7ff, 0 0 40px #00f7ff;
        }

        /* 音乐列表 */
        .music-list {
            margin-top: 0.2rem; 
            max-height: 120px; 
            overflow-y: auto;
        }

        .music-item {
            padding: 0.2rem; 
            border-bottom: 1px solid rgba(0, 247, 255, 0.2);
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .music-item span{
            font-size: 0.4em;

        }
        .music-item:hover {
            background: rgba(0, 247, 255, 0.1);
            transform: translateX(10px);
        }

        .music-item.active {
            background: rgba(0, 247, 255, 0.2);
            border-left: 4px solid #00f7ff;
        }

        .music-item .delete-btn {
            background: transparent;
            border: none;
            color: #ff0000;
            cursor: pointer;
            font-size: 0.4em; 
            transition: all 0.3s;
        }

        .music-item .delete-btn:hover {
            transform: scale(1.2);
        }

        /* 曲目信息 */
        .track-info {
            margin-top: 0.5rem; 
            text-align: center;
        }

        .track-info h3 {
            margin: 0;
            font-size: 0.8em; 
        }

        .track-info p {
            margin: 0.2rem 0; 
            font-size: 0.4em; 
        }

        /* 歌词显示 */
        .lyrics-box {
            margin-top: 0.3rem; 
            max-height: 60px; 
            overflow-y: auto;
            text-align: center;
            font-size: 0.4em; 
            color: #00f7ff;
            border: 1px solid rgba(0, 247, 255, 0.2);
            padding: 0.2rem; 
            border-radius: 3px; 
        }

        /* 收起按钮 */
        .collapse-btn {
            position: absolute;
            z-index: 110;
            top: 0.35rem; 
            right: 0.35rem; 
            width: 30px;
            height: 30px;
            display: block;
            background: transparent;
            border: none;
            color: #00f7ff;
            font-size: 0.5em; 
            cursor: pointer;
            transition: all 0.3s;
        }

        .collapse-btn:hover {
            transform: scale(1.2);
        }