.sidebar-wrapper {
            width: 100%;
            max-width: 333px;
            margin: 0 auto;}

        .sidebar {
            background: white;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            overflow: hidden;
            transition: all 0.3s ease;}

        /* 标题栏样式 */
        .sidebar-header {
            background: linear-gradient(135deg, #4a90e2, #357abd);
            color: white;
            padding: 15px 20px;
            text-align: center;
            font-size: 18px;
            font-weight: bold;
            position: relative;}

        .sidebar-header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: rgba(255,255,255,0.3);}

        /* 功能按钮区域 */
        .function-buttons {
            padding: 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;}

        .function-btn {
            background: #f5f5f5;
            border: 2px solid transparent;
            border-radius: 8px;
            padding: 20px 10px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: inherit;}

        .function-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(74, 144, 226, 0.1), transparent);
            transition: left 0.5s ease;}

        .function-btn:hover::before {
            left: 100%;}

        .function-btn:hover {
            background: #e8f4fd;
            border-color: #4a90e2;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(74, 144, 226, 0.2);
            text-decoration: none;
            color: inherit;}

        .function-btn:focus {
            outline: 2px solid #4a90e2;
            outline-offset: 2px;}

        .function-btn span {
            font-size: 14px;
            color: #333;
            font-weight: 500;}

        /* 社交信息区域 */
        .social-section {
            background: linear-gradient(135deg, #f8f4ff, #e8e0ff);
            padding: 40px;
            border-top: 1px solid #e0e0e0;}

        .social-title {
            font-size: 14px;
            color: #666;
            margin-bottom: 15px;
            text-align: center;}

        .social-content {
            background: white;
            border-radius: 8px;
            padding: 15px;}

        .social-grid {
            
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 15px;}

        .social-item {
            display: flex;
            align-items: center;
            padding: 10px;
            background: #f9f9f9;
            border-radius: 6px;
            transition: all 0.3s ease;
            cursor: pointer;}

        .social-item:hover {
            transform: translateY(-2px);
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
            background: #f0f8ff;}

        .social-icon {
            width: 28px;
            height: 28px;
            margin-right: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 14px;
            flex-shrink: 0;}

        .qq-icon {
            background: #12b7f5;
            color: white;}

        .wechat-icon {
            background: #07c160;
            color: white;}

        .social-text {
            font-size: 11px;
            color: #333;
            line-height: 1.3;}

        .qrcode-container {
            text-align: center;
            padding-top: 12px;
            border-top: 1px solid #eee;}

        .qrcode {
            width: 80px;
            height: 80px;
            background: #f0f0f0;
            margin: 0 auto 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid #ddd;
            border-radius: 4px;}

        .qrcode-text {
            font-size: 11px;
            color: #666;}

        /* 响应式设计 */
        @media (max-width: 768px) {
            .sidebar-wrapper {
                max-width: 100%;}

            .function-buttons {
                grid-template-columns: repeat(4, 1fr);
                gap: 8px;}

            .function-btn {
                padding: 15px 5px;}

            .function-btn span {
                font-size: 12px;}

            .social-grid {
                grid-template-columns: 1fr;
                gap: 8px;}

            .social-item {
                padding: 8px;}

            .qrcode {
                width: 70px;
                height: 70px;}
        }

        @media (max-width: 480px) {
            .function-buttons {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;}

            .function-btn {
                padding: 18px 10px;}

            .function-btn span {
                font-size: 13px;}

            .social-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;}
        }

        /* 动画效果 */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);}
            to {
                opacity: 1;
                transform: translateY(0);}
        }

        .sidebar {
            animation: fadeIn 0.6s ease;}

        .function-btn {
            animation: fadeIn 0.8s ease backwards;}

        .function-btn:nth-child(1) { animation-delay: 0.1s;}
        .function-btn:nth-child(2) { animation-delay: 0.2s;}
        .function-btn:nth-child(3) { animation-delay: 0.3s;}
        .function-btn:nth-child(4) { animation-delay: 0.4s;}

        /* 页面标题 */
        .page-title {
            text-align: center;
            color: white;
            margin-bottom: 30px;
            font-size: 24px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);}