/* 核心样式 - 背景全屏适配 */
        .cooperation-section {
            width: 100%;
            background-color: #003399; /* 匹配原图深蓝色背景 */
            padding: 60px 20px;
            margin: 0;
            box-sizing: border-box;
            text-align: center;
            color: #ffffff;
            font-family: Arial, sans-serif;
        }
        /* 标题样式 */
        .cooperation-title {
            font-size: 24px;
            font-weight: bold;
            margin: 0 0 15px 0;
            line-height: 1.2;
        }
        /* 描述文本样式 */
        .cooperation-desc {
            font-size: 16px;
            margin: 0 0 30px 0;
            line-height: 1.5;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        /* 按钮样式 - 匹配原图红色按钮 */
        .cooperation-btn {
            display: inline-block;
            background-color: #e60000;
            color: #ffffff;
            font-size: 16px;
            font-weight: 500;
            padding: 12px 30px;
            text-decoration: none;
            border-radius: 2px;
            margin-bottom: 20px;
            transition: background-color 0.3s ease;
        }
        .cooperation-btn:hover {
            background-color: #cc0000;
            color: #ffffff;
            text-decoration: none;
        }
        /* 联系方式样式 - 带图标适配 */
        .cooperation-contact {
            font-size: 14px;
            line-height: 1.6;
        }
        .cooperation-contact i {
            margin-right: 8px;
            font-size: 14px;
        }
        .cooperation-contact a {
            color: #ffffff;
            text-decoration: none;
        }
        .cooperation-contact a:hover {
            text-decoration: underline;
        }
        /* 响应式适配 - 手机端样式 */
        @media (max-width: 768px) {
            .cooperation-title {
                font-size: 20px;
            }
            .cooperation-desc {
                font-size: 14px;
                padding: 0 10px;
            }
            .cooperation-btn {
                font-size: 14px;
                padding: 10px 25px;
            }
            .cooperation-contact {
                font-size: 13px;
                display: flex;
                flex-direction: column;
                gap: 8px;
            }
        }
        /* PC端优化 */
        @media (min-width: 769px) {
            .cooperation-contact span {
                margin: 0 8px;
            }
        }