/* 基础样式 - 适配航材商城专业风格 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", sans-serif;
        }

        body {
            background-color: #f5f8fa; /* 浅蓝底色，契合航材风格 */
            padding: 50px;
        }

        /* 询价按钮样式 */
        .inquiry-btn {
            background-color: #1e68c4; /* 深蓝色主色调 */
            color: white;
            border: none;
            padding: 0px;
            border-radius: 0px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s;
        }

        .inquiry-btn:hover {
            background-color: #1550a1; /* 悬浮加深 */
        }

        /* 弹窗遮罩层 */
        .modal-overlay {
            position:absolute;/*fixed*/
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5); /* 半透明黑色遮罩 */
            display: none; /* 默认隐藏 */
            justify-content: center;
            align-items: center;
            z-index: 9999; /* 确保在最上层 */
        }

        /* 弹窗内容区 */
        .modal-content {
            background-color: white;
            width: 500px;
            max-width: 90%; /* 适配移动端 */
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }

        /* 弹窗标题 */
        .modal-title {
            font-size: 20px;
            color: #1e68c4;
            margin-bottom: 20px;
            font-weight: bold;
            border-bottom: 1px solid #eee;
            padding-bottom: 10px;
        }

        /* 表单样式 */
        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            margin-bottom: 6px;
            color: #333;
            font-size: 14px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 14px;
            resize: vertical; /* 文本域仅允许垂直拉伸 */
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #1e68c4;
            box-shadow: 0 0 0 2px rgba(30, 104, 196, 0.1);
        }

        /* 提交按钮 */
        .submit-btn {
            background-color: #1e68c4;
            color: white;
            border: none;
            padding: 10px 24px;
            border-radius: 4px;
            font-size: 14px;
            cursor: pointer;
            margin-top: 10px;
        }

        .submit-btn:hover {
            background-color: #1550a1;
        }

        /* 关闭按钮 */
        .close-btn {
            background-color: #f5f5f5;
            color: #666;
            border: 1px solid #ddd;
            padding: 10px 24px;
            border-radius: 4px;
            font-size: 14px;
            cursor: pointer;
            margin-left: 10px;
            margin-top: 10px;
        }

        .close-btn:hover {
            background-color: #eee;
        }