  /* 禁止文本选择和复制 */
        .text-fmt {
            user-select: none;
            -webkit-user-select: none;
            -moz-user-select: none;
            -ms-user-select: none;
            -webkit-touch-callout: none; /* 禁止iOS长按时的系统菜单 */
        }

        /* 弹框背景遮罩 */
        .mask {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 999;
        }

        /* 右键/长按提示弹窗 */
        .action-tip-mask {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 1000;
        }
        
        .action-tip-popup {
            background-color: #fff;
            border-radius: 8px;
            padding: 20px 30px;
            text-align: center;
            min-width: 280px;
            max-width: 90%;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        
        .action-tip-popup p {
            margin: 0;
            font-size: 16px;
            color: #333;
            line-height: 1.5;
        }
        
        .action-tip-close {
            margin-top: 15px;
            padding: 6px 20px;
            background-color: #ff5722;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 14px;
        }

        /* 弹框主体 */
        .popup {
            position: relative;
            width: 400px;
            max-width: 90%;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
            overflow: hidden;
        }

        /* 弹框头部 */
        .popup-header {
            padding: 16px;
            font-size: 18px;
            font-weight: bold;
            border-bottom: 1px solid #eee;
        }

        /* 弹框内容区域 */
        .popup-content {
            padding: 20px;
        }

        /* 支付方式选择 */
        .payment-methods {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }

        .payment-method {
            flex: 1;
            text-align: center;
            padding: 12px 0;
            border: 1px solid #ddd;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .payment-method:hover {
            border-color: #000;
        }

        .payment-method.active {
            border-color: #ff5722;
            background-color: #fff3e9;
        }

        /* 支付金额及提示 */
        .payment-amount {
            font-size: 16px;
            margin-bottom: 10px;
        }

        .payment-amount span {
            font-size: 24px;
            color: #ff5722;
            margin-right: 5px;
        }

        .vip-tip {
            font-size: 14px;
            color: #999;
            margin-bottom: 20px;
        }

        /* 立即支付按钮 */
        .pay-btn {
            width: 100%;
            padding: 12px;
            background-color: #ff5722;
            color: #fff;
            text-align: center;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        .pay-btn:hover {
            background-color: #e64a19;
        }

        /* 底部底部说明文字 */
        .popup-footer {
            padding: 16px;
            border-top: 1px solid #eee;
            font-size: 12px;
            color: #666;
            line-height: 1.6;
        }

        .popup-close {
            position: absolute;
            top: 10px;
            right: 10px;
            width: 24px;
            height: 24px;
            cursor: pointer;
            z-index: 1000;
        }

        .popup-close img {
            width: 20px;
            height: 20px;
        }

        /* 按钮样式 */
        .action-btn {
            padding: 10px 20px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 500;
            position: relative;
            overflow: hidden;
            display: inline-flex;
            align-items: center;
            gap: 6px; /* 图标和文字之间的间距 */
        }

        /* 下载按钮美化 */
        .download-btn {
            background: linear-gradient(135deg, #4CAF50 0%, #2E7D32 100%);
            color: white;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            position: relative;
            z-index: 1;
        }

        .download-btn:hover {
            background: linear-gradient(135deg, #43A047 0%, #1B5E20 100%);
            box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
            transform: translateY(-2px);
        }

        .download-btn:active {
            transform: translateY(0);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .download-btn::after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 5px;
            height: 5px;
            background: rgba(255, 255, 255, 0.5);
            opacity: 0;
            border-radius: 100%;
            transform: scale(1, 1) translate(-50%, -50%);
            transform-origin: 50% 50%;
        }

        .download-btn:focus:not(:active)::after {
            animation: ripple 0.6s ease-out;
        }

        @keyframes ripple {
            0% {
                transform: scale(0, 0);
                opacity: 0.5;
            }
            100% {
                transform: scale(20, 20);
                opacity: 0;
            }
        }

        .copy-btn {
            background: linear-gradient(135deg, #2196F3 0%, #0D47A1 100%);
            color: white;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .copy-btn:hover {
            background: linear-gradient(135deg, #1E88E5 0%, #1565C0 100%);
            box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
            transform: translateY(-2px);
        }

        .share-btn {
            background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
            color: white;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        .share-btn:hover {
            background: linear-gradient(135deg, #fb8c00 0%, #e65100 100%);
            box-shadow: 0 6px 8px rgba(0, 0, 0, 0.15);
            transform: translateY(-2px);
        }

        /* 下载选项 - 悬浮样式 */
        .download-options-container {
            position: relative;
            display: inline-block;
        }
        
        .download-options {
            display: none;
            position: absolute;
            top: 0;
            left: 100%;
            margin-left: 10px;
            background-color: white;
            border-radius: 4px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 10px;
            z-index: 100;
            min-width: 120px;
        }
        
        /* 移动端端下载选项位置调整 */
        @media (max-width: 768px) {
            .download-options {
                top: auto;
                bottom: 100%;
                left: 0;
                margin-left: 0;
                margin-bottom: 10px;
            }
        }

        .download-options.show {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .download-option {
            padding: 8px 15px;
            background: linear-gradient(135deg, #607D8B 0%, #37474F 100%);
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            text-align: center;
            transition: all 0.3s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .download-option:hover {
            background: linear-gradient(135deg, #546E7A 0%, #263238 100%);
            transform: translateY(-2px);
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }

        /* 电脑端按钮容器容器 */
        .desktop-actions {
            display: flex;
            justify-content: flex-end;
            gap: 10px;
            margin-top: 15px;
        }

        /* 移动端底部悬浮悬浮按钮 */
        .mobile-actions {
            display: none;
            position: fixed;
            bottom: 60px;
            width: 90%;
            left: 5%;
            background-color: white;
            border-radius: 30px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            padding: 10px 15px;
            z-index: 998;
            justify-content: center;
            align-items: center;
            font-size: 12px;
        }

        .mobile-actions .action-btn {
            border-radius: 20px;
            padding: 8px 16px;
            margin: 0 5px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .desktop-actions {
                display: none;
            }
            
            .mobile-actions {
                display: flex;
            }
            
            /* 移除底部导航栏 */
            .footer {
                display: none !important;
            }
        }

        @media (min-width: 769px) {
            .mobile-actions {
                display: none;
            }
        }

        /* 分享成功提示 */
        .share-toast {
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 10px 20px;
            border-radius: 4px;
            opacity: 0;
            transition: opacity 0.3s;
            pointer-events: none;
            z-index: 1000;
        }

        .share-toast.show {
            opacity: 1;
        }

        .file-generating-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            display: none;
        }
        
        .file-generating-content {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            text-align: center;
            max-width: 80%;
        }
        
        .file-generating-spinner {
            border: 5px solid #f3f3f3;
            border-top: 5px solid #3498db;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            animation: spin 1s linear infinite;
            margin: 0 auto 20px;
        }
        
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }