/* 右侧可扩展切换器 */
        .right-switcher {
            position: fixed;
            right: 45px;
            top: 50%;
            transform: translateY(-50%);
            z-index: 900;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .control-line {
            width: 3px;
            background: linear-gradient(180deg, 
                rgba(150, 0, 3, 0.3) 0%, 
                rgba(255, 0, 0, 0.8) 50%, 
                rgba(255, 41, 41, 0.3) 100%);
            border-radius: 0px;
            position: relative;
            transition: height 0.5s ease;
            height: 370px;
        }

        .control-buttons {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            gap: 15px;
            padding: 20px 0;
        }

        .control-btn {
            width: 50px;
            height: 50px;
            border-radius: 0px;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            border: 2px solid rgba(197, 0, 0, 0.3);
        }

        .control-btn:hover {
            background: rgba(102, 126, 234, 0.2);
            transform: scale(1.1);
            border-color: rgba(255, 0, 0, 0.6);
        }

        .control-btn.active {
            background: linear-gradient(45deg, #9b3600, #7e3d00);
            box-shadow: 0 0 20px rgba(161, 0, 16, 0.6);
            border-color: rgba(147, 0, 5, 0.8);
        }

        .control-btn-text {
            font-size: 12px;
            font-weight: bold;
            color: #fff;
            text-align: center;
            line-height: 1;
        }

        .control-btn.active .control-btn-text {
            text-shadow: 0 0 10px rgba(255, 101, 101, 0.8);
        }

        /* 弹窗样式 */
        .popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .popup-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        .popup-content {
            background: linear-gradient(145deg, rgba(70, 16, 0, 0.95), rgba(176, 0, 0, 0.95));
            border-radius: 0px;
            border: 2px solid rgba(104, 0, 0, 0.5);
            padding: 30px;
            position: relative;
            max-width: 400px;
            width: 90%;
            backdrop-filter: blur(20px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            transform: scale(0.8);
            transition: transform 0.3s ease;
        }

        .popup-overlay.show .popup-content {
            transform: scale(1);
        }

        .popup-close {
            position: absolute;
            top: 15px;
            right: 20px;
            width: 30px;
            height: 30px;
            background: rgba(130, 0, 0, 0.1);
            border: none;
            border-radius: 0%;
            color: #fff;
            cursor: pointer;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .popup-close:hover {
            background: rgba(99, 0, 0, 0.3);
            transform: scale(1.1);
        }

        .popup-title {
            color: #fff;
            font-size: 24px;
            font-weight: bold;
            margin-bottom: 20px;
            text-align: center;
            background: linear-gradient(45deg, #ff8732, #8b0000, #ae0000);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        /* QQ弹窗样式 */
        .qq-info {
            text-align: center;
        }

        .qq-number {
            font-size: 28px;
            color: #fff;
            margin: 15px 0;
            font-weight: bold;
            letter-spacing: 2px;
            background: rgba(71, 0, 0, 0.2);
            padding: 15px;
            border-radius: 0px;
            border: 1px solid rgba(196, 0, 0, 0.5);
        }

        .qq-btn {
            background: linear-gradient(45deg, #c90000, #d70000);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 0px;
            cursor: pointer;
            font-size: 16px;
            margin: 10px 5px;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .qq-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(192, 0, 0, 0.4);
        }

        /* 群弹窗样式 */
        .group-info {
            text-align: center;
        }

        .qr-code {
            width: 200px;
            height: 200px;
            background: #fff;
            margin: 20px auto;
            border-radius: 0px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #4e0000;
            border: 3px solid rgba(170, 0, 0, 0.5);
        }

        .group-number {
            font-size: 20px;
            color: #fff;
            margin: 15px 0;
            background: rgba(131, 20, 0, 0.2);
            padding: 10px;
            border-radius: 0px;
        }

        /* 音乐播放器样式 */
        .music-player {
            text-align: center;
        }

        .music-info {
            margin-bottom: 20px;
        }

        .song-name {
            font-size: 18px;
            color: #fff;
            margin-bottom: 5px;
            font-weight: bold;
        }

        .artist-name {
            font-size: 14px;
            color: rgba(255, 88, 88, 0.7);
        }

        .music-controls {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin: 20px 0;
        }

        .music-btn {
            width: 50px;
            height: 50px;
            border-radius: 0%;
            background: linear-gradient(45deg, #c40000, #ff3c3c);
            border: none;
            color: white;
            cursor: pointer;
            font-size: 18px;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .music-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 0 20px rgba(94, 0, 0, 0.6);
        }

        .volume-control {
            margin-top: 15px;
        }

        .volume-slider {
            width: 100%;
            height: 5px;
            background: rgba(255, 255, 255, 0.79);
            border-radius: 0px;
            outline: none;
            -webkit-appearance: none;
        }

        .volume-slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 15px;
            height: 15px;
            border-radius: 0%;
            background: linear-gradient(45deg, #d40000, #fb0000);
            cursor: pointer;
        }

        /* 维护弹窗样式 */
        .maintenance-info {
            text-align: center;
        }

        .maintenance-status {
            font-size: 18px;
            color: #4CAF50;
            margin: 20px 0;
            padding: 15px;
            background: rgba(76, 175, 80, 0.1);
            border-radius: 0px;
            border: 1px solid rgba(76, 175, 80, 0.3);
        }

        .maintenance-details {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
            margin: 15px 0;
        }

        /* 隐藏音频元素 */
        #audioPlayer {
            display: none;
        }