body { 
    margin: 0; 
    overflow: hidden; 
    background: radial-gradient(circle at center, #1a0a2e 0%, #000000 100%); 
}

/* 启动按钮 */
#play {
    position: fixed; 
    top: 50%; 
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px; 
    height: 60px; 
    line-height: 60px;
    background: linear-gradient(45deg, #ff00cc, #3333ff);
    color: white; 
    border-radius: 30px; 
    cursor: pointer;
    text-align: center; 
    font-family: "Microsoft YaHei", sans-serif; 
    font-weight: bold;
    font-size: 18px;
    box-shadow: 0 0 40px rgba(255, 0, 204, 0.8); 
    z-index: 9999;
    display: block;
}

/* 底部播放器容器 */
#audio-container {
    position: fixed;
    bottom: 0; 
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.7); 
    backdrop-filter: blur(15px);
    padding: 15px 0;
    display: none; /* 由 JS 切换为 flex */
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

/* 下一曲按钮样式 */
#next-btn {
    color: #ff00cc;
    border: 1px solid #ff00cc;
    padding: 5px 15px;
    margin-right: 20px;
    border-radius: 20px;
    cursor: pointer;
    font-family: sans-serif;
    font-size: 14px;
    transition: 0.3s;
    white-space: nowrap;
}
#next-btn:hover {
    background: #ff00cc;
    color: white;
    box-shadow: 0 0 15px #ff00cc;
}

audio {
    width: 60%;
    filter: invert(1) hue-rotate(180deg);
}

#info {
    position: fixed; 
    bottom: 80px; 
    width: 100%;
    text-align: center; 
    color: rgba(255,255,255,0.7); 
    z-index: 10;
    pointer-events: none;
    font-family: sans-serif;
    letter-spacing: 1px;
}