/* 弹窗遮罩层 - 最终版（透明背景） */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: transparent; /* 完全透明背景 */
            z-index: 9999;
            display: block;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        /* 遮罩层激活状态 */
        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* 弹窗容器 - 滑出效果 + 高度调整 */
        .modal-container {
            position: fixed;
            bottom: 20px;
            right: 0;
            width: 90%;
            max-width: 950px;
            height: 290px;
            background: linear-gradient(135deg, #ffffff 0%, #f8faff 100%);
            border-radius: 16px 0 0 16px;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
            display: flex;
            overflow: visible;
            transform: translateX(100%);
            transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
            border: 1px solid #e8f4f8;
        }
        /* 弹窗激活状态 - 滑入 */
        .modal-overlay.active .modal-container {
            transform: translateX(0);
        }

        /* LOGO区域 - 左侧固定（PC端显示，手机端隐藏） */
        .modal-logo {
            width: 200px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0; /* 防止LOGO区域被压缩 */
            background: linear-gradient(135deg, #1a66db 0%, #a4a0ff 100%);
            padding: 20px;
        }
        .logo-img {
            width: 160px;
            height: 160px;
            background: #ffffff;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            overflow: hidden;
        }
        .logo-img img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        /* 备用LOGO文字（无图片时） */
        .logo-text {
            color: white;
            font-size: 24px;
            font-weight: 700;
            text-align: center;
        }

        /* 内容区域 - 排版优化 */
        .modal-content-wrap {
            flex: 1;
            padding: 25px 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
        }

        /* 弹窗内容样式 */
        .modal-content {
            width: 100%;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .modal-content h2 {
            color: #2C3E50;
            font-size: 20px;
            margin: 0 0 12px 0;
            font-weight: 700;
            line-height: 1.3;
        }
        .modal-content .highlight {
            color: #165DFF;
            font-weight: 700;
            text-shadow: 0 1px 2px rgba(22, 93, 255, 0.1);
        }
        .modal-content p {
            color: #4a5568;
            font-size: 16px;
            line-height: 1.6;
            margin: 8px 0;
            width: 100%;
        }
        .modal-content a {
            color: #165DFF;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .modal-content a:hover {
            color: #0E42D2;
            text-decoration: underline;
        }

        /* 按钮区域样式 */
        .modal-buttons {
            display: flex;
            gap: 10px;
            margin-top: 15px;
            flex-wrap: nowrap;
            width: 100%;
        }
        .modal-btn {
            padding: 10px 20px;
            font-size: 14px;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            flex: 1;
            max-width: 130px;
            position: relative;
            overflow: hidden;
        }
        /* 按钮渐变样式 */
        .btn-notice {
            background: linear-gradient(135deg, #4299e1 0%, #38b2ac 100%);
            color: white;
        }
        .btn-contact {
            background: linear-gradient(135deg, #FF7D00 0%, #E67000 100%);
            color: white;
        }
        .btn-pay {
            background: linear-gradient(135deg, #9f7aea 0%, #7472FE 100%);
            color: white;
        }
        .modal-btn::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.2);
            transition: left 0.5s ease;
        }
        .modal-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
        }
        .modal-btn:hover::after {
            left: 100%;
        }

        /* 关闭按钮样式 */
        .modal-close {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 24px;
            color: white;
            cursor: pointer;
            background: #165DFF;
            border: 2px solid #165DFF;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
            transition: all 0.3s ease;
            z-index: 10;
            font-weight: bold;
        }
        .modal-close:hover {
            background: #0E42D2;
            color: white;
            transform: rotate(90deg);
            box-shadow: 0 4px 12px rgba(22, 93, 255, 0.4);
        }

        /* 弹窗唤起悬浮按钮 - 使用Font Awesome图标 + 抖动动画 */
        @keyframes shake {
            0%, 100% { transform: translateX(0) rotate(0); }
            25% { transform: translateX(-3px) rotate(-3deg); }
            50% { transform: translateX(0) rotate(0); }
            75% { transform: translateX(3px) rotate(3deg); }
        }
        .modal-toggle-btn {
            position: fixed;
            bottom: 90px;
            right: 20px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #ffae05 0%, #d2d10e 100%);
            color: white;
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(22, 93, 255, 0.3);
            border: none;
            z-index: 9998;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            animation: shake 2s infinite ease-in-out; /* 抖动动画 */
        }
        .modal-toggle-btn.show {
            opacity: 1;
            visibility: visible;
        }
        .modal-toggle-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 20px rgba(22, 93, 255, 0.4);
            animation: shake 1s infinite ease-in-out; /* hover时抖动加快 */
        }

        /* 响应式适配 - 移动端 */
        @media (max-width: 768px) {
            /* LOGO区域隐藏 */
            .modal-logo {
                display: none !important;
            }
            
            /* 弹窗适配 */
            .modal-container {
                width: 100%;
                height: auto;
                max-height: 420px;
                bottom: 0;
                right: 0;
                border-radius: 16px 16px 0 0;
                flex-direction: column;
                transform: translateY(100%);
            }
            .modal-overlay.active .modal-container {
                transform: translateY(0);
            }
            
            /* 内容区域适配 */
            .modal-content-wrap {
                padding: 20px 25px;
            }
            .modal-content h2 {
                font-size: 19px;
            }
            .modal-content p {
                font-size: 15px;
            }
            
            /* 按钮适配 */
            .modal-buttons {
                gap: 8px;
            }
            .modal-btn {
                padding: 9px 16px;
                font-size: 13px;
                max-width: none;
            }
            
            /* 关闭按钮适配 */
            .modal-close {
                top: 10px;
                right: 10px;
                width: 36px;
                height: 36px;
                font-size: 22px;
            }
            
            /* 悬浮按钮适配 */
            .modal-toggle-btn {
                width: 50px;
                height: 50px;
                font-size: 20px;
                bottom: 90px;
                right: 15px;
            }
        }