* { 
            box-sizing: border-box; 
            margin: 0; 
            padding: 0; 
        }
        
        body {
            font-family: 'Swiss721', 'Arial Narrow', Arial, sans-serif;
        }
        
        .product-showcase {
            width: 100%;
            background: #f5f5f5;
            margin: 0 auto 40px;
        }
        
        /* ==================== 标签区域样式 ==================== */
        .product-showcase .tab-header {
            background-color: #f5f5f5;
            padding: 0 20px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .product-showcase .tab-buttons-container {
            max-width: 1250px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        /* 导航标签字体 - Heebo-Medium，加粗 */
        .product-showcase .tab-btn {
            background: #f0f0f0;
            color: #666;
            border: none;
            padding: 15px 20px;
            font-size: 14px;
            font-weight: 700; /* 加粗 */
            cursor: pointer;
            position: relative;
            flex: 1;
            min-width: 140px;
            max-width: 200px;
            white-space: nowrap;
            border-radius: 8px 8px 0 0;
            margin-top: 5px;
            transition: all 0.3s ease;
            border: 1px solid #e0e0e0;
            border-bottom: none;
            font-family: 'Heebo', sans-serif;
            font-weight: 700; /* Heebo加粗 */
        }
        
        .product-showcase .tab-btn:hover {
            color: #000;
            background-color: #e8e8e8;
        }
        
        .product-showcase .tab-btn.active {
            background-color: #f5f5f7;
        }
        
        /* 修改顺序：现在deepsee7是第一个，deepsee7pro是第二个 */
        .product-showcase .tab-btn[data-tab="deepsee7"].active {
            color: #1a365d;
        }
        
        .product-showcase .tab-btn[data-tab="deepsee7"].active::after {
            background-color: #1a365d;
        }
        
        .product-showcase .tab-btn[data-tab="deepsee7pro"].active {
            color: #228b22;
        }
        
        .product-showcase .tab-btn[data-tab="deepsee7pro"].active::after {
            background-color: #228b22;
        }
        
        .product-showcase .tab-btn[data-tab="farwatch9"].active {
            color: #ff6600;
        }
        
        .product-showcase .tab-btn[data-tab="farwatch9"].active::after {
            background-color: #ff6600;
        }
        
        .product-showcase .tab-btn[data-tab="scout4pro"].active {
            color: #333333;
        }
        
        .product-showcase .tab-btn[data-tab="scout4pro"].active::after {
            background-color: #333333;
        }
        
        .product-showcase .tab-btn[data-tab="scout4"].active {
            color: #000000;
        }
        
        .product-showcase .tab-btn[data-tab="scout4"].active::after {
            background-color: #000000;
        }
        
        .product-showcase .tab-btn.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
        }
        
        /* ==================== 移动端标签布局 ==================== */
        @media (max-width: 768px) {
            .product-showcase .tab-header {
                padding: 15px;
                background-color: #f8f9fa;
            }
            
            .product-showcase .tab-buttons-container {
                display: grid;
                grid-template-columns: repeat(6, 1fr);
                gap: 8px;
                max-width: 100%;
            }
            
            .product-showcase .tab-btn {
                flex: none;
                min-width: auto;
                max-width: none;
                margin: 0;
                padding: 12px 8px;
                font-size: 13px; /* 手机端字体稍微增大，解决显示问题 */
                border-radius: 8px;
                background-color: #fff;
                border: 1px solid #e0e0e0;
                box-shadow: 0 2px 4px rgba(0,0,0,0.05);
                transition: all 0.2s ease;
                height: 48px;
                display: flex;
                align-items: center;
                justify-content: center;
                text-align: center;
                overflow: hidden; /* 防止文字溢出 */
                white-space: normal; /* 允许文字换行 */
                word-break: break-word; /* 单词换行 */
                line-height: 1.2; /* 调整行高 */
                font-weight: 700; /* 保持加粗 */
                color: #666; /* 确保默认状态文字颜色 */
            }
            
            /* 第一行：前3个按钮，每个占据2列 */
            .product-showcase .tab-btn:nth-child(1),
            .product-showcase .tab-btn:nth-child(2),
            .product-showcase .tab-btn:nth-child(3) {
                grid-column: span 2;
            }
            
            /* 第二行：后2个按钮，每个占据3列，实现左右对齐 */
            .product-showcase .tab-btn:nth-child(4) {
                grid-column: 1 / span 3;
            }
            
            .product-showcase .tab-btn:nth-child(5) {
                grid-column: 4 / span 3;
            }
            
            /* 修复：移动端激活按钮 - 确保文字颜色为白色 */
            .product-showcase .tab-btn.active {
                color: #fff !important; /* 使用 !important 确保白色文字 */
                border-color: #000;
                box-shadow: 0 4px 8px rgba(0,0,0,0.1);
                transform: translateY(-2px);
            }
            
            .product-showcase .tab-btn.active::after {
                display: none;
            }
            
            /* 修复：移动端特定产品颜色，确保激活状态文字为白色 */
            /* 修改顺序：现在deepsee7是第一个，deepsee7pro是第二个 */
            .product-showcase .tab-btn[data-tab="deepsee7"].active {
                background-color: #1a365d;
                border-color: #1a365d;
                color: #fff !important;
            }
            
            .product-showcase .tab-btn[data-tab="deepsee7pro"].active {
                background-color: #228b22;
                border-color: #228b22;
                color: #fff !important;
            }
            
            .product-showcase .tab-btn[data-tab="farwatch9"].active {
                background-color: #ff6600;
                border-color: #ff6600;
                color: #fff !important;
            }
            
            .product-showcase .tab-btn[data-tab="scout4pro"].active {
                background-color: #333333;
                border-color: #333333;
                color: #fff !important;
            }
            
            .product-showcase .tab-btn[data-tab="scout4"].active {
                background-color: #000000;
                border-color: #000000;
                color: #fff !important;
            }
        }
        
        @media (max-width: 400px) {
            .product-showcase .tab-btn {
                padding: 10px 6px;
                font-size: 12px; /* 更小屏幕稍微减小字体 */
                height: 44px;
                line-height: 1.1;
            }
        }
        
        /* ==================== 内容容器 ==================== */
        .product-showcase .showcase-container {
            max-width: 1250px;
            margin: 0 auto;
            background: #f5f5f7;
        }
        
        .product-showcase .content-container {
            display: flex;
            padding: 25px 20px;
            min-height: 500px;
            gap: 40px;
            align-items: center;
            max-width: 1250px;
            margin: 0 auto;
        }
        
        .product-showcase .text-content {
            flex: 1;
            padding-right: 15px;
            max-width: 45%;
        }
        
        /* ==================== 产品标题 ==================== */
        /* 主标题字体 - Heebo-Medium，加粗，加大5px */
        .product-showcase .product-title {
            font-size: 41px; /* 从36px增加到41px，加大5px */
            margin-bottom: 10px;
            font-weight: 900;
            line-height: 1.1;
            font-family: 'Heebo', sans-serif;
            font-weight: 700; /* Heebo加粗 */
        }
        
        #deepsee7pro-content .product-title { color: #228b22; }
        #deepsee7-content .product-title { color: #1a365d; }
        #farwatch9-content .product-title { color: #ff6600; }
        #scout4pro-content .product-title { color: #333333; }
        #scout4-content .product-title { color: #000000; }
        
        /* 副标题图标颜色匹配 */
        #deepsee7pro-content .product-subtitle i { color: #228b22; }
        #deepsee7-content .product-subtitle i { color: #1a365d; }
        #farwatch9-content .product-subtitle i { color: #ff6600; }
        #scout4pro-content .product-subtitle i { color: #333333; }
        #scout4-content .product-subtitle i { color: #000000; }
        
        /* 副标题字体 - Heebo-Light */
        .product-showcase .product-subtitle {
            font-size: 17px;
            color: #666;
            margin-bottom: 20px;
            font-weight: 500;
            display: flex;
            align-items: center;
            font-family: 'Heebo', sans-serif;
            font-weight: 300; /* Heebo-Light */
        }
        
        .product-showcase .product-subtitle i {
            margin-right: 8px;
        }
        
        /* 介绍文字字体 - Heebo-Light */
        .product-showcase .product-description {
            font-size: 16px;
            line-height: 1.6;
            color: #555;
            margin-bottom: 25px;
            font-family: 'Heebo', sans-serif;
            font-weight: 300; /* Heebo-Light */
        }
        
        /* ==================== 特征参数框 ==================== */
        .product-showcase .features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 25px;
        }
        
        .product-showcase .feature {
            background-color: #fff;
            border: 1px solid #e0e0e0;
            padding: 8px 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            min-height: 36px;
            flex: 1 1 calc(33.333% - 10px);
            transition: all 0.3s ease;
            cursor: default;
        }
        
        #deepsee7pro-content .feature:hover {
            border-color: #228b22;
            box-shadow: 0 4px 12px rgba(34, 139, 34, 0.1);
        }
        
        #deepsee7pro-content .feature:hover h4,
        #deepsee7pro-content .feature:hover h4 i {
            color: #228b22;
        }
        
        #deepsee7-content .feature:hover {
            border-color: #1a365d;
            box-shadow: 0 4px 12px rgba(26, 54, 93, 0.1);
        }
        
        #deepsee7-content .feature:hover h4,
        #deepsee7-content .feature:hover h4 i {
            color: #1a365d;
        }
        
        #farwatch9-content .feature:hover {
            border-color: #ff6600;
            box-shadow: 0 4px 12px rgba(255, 102, 0, 0.1);
        }
        
        #farwatch9-content .feature:hover h4,
        #farwatch9-content .feature:hover h4 i {
            color: #ff6600;
        }
        
        #scout4pro-content .feature:hover {
            border-color: #333333;
            box-shadow: 0 4px 12px rgba(51, 51, 51, 0.1);
        }
        
        #scout4pro-content .feature:hover h4,
        #scout4pro-content .feature:hover h4 i {
            color: #333333;
        }
        
        #scout4-content .feature:hover {
            border-color: #000000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        #scout4-content .feature:hover h4,
        #scout4-content .feature:hover h4 i {
            color: #000000;
        }
        
        .product-showcase .feature:hover {
            background-color: #f8f9fa;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
        
        /* 参数框文字字体 - Heebo-Light */
        .product-showcase .feature h4 {
            color: #000;
            font-size: 15px;
            margin: 0;
            display: flex;
            align-items: center;
            font-weight: 600;
            transition: color 0.3s ease;
            font-family: 'Heebo', sans-serif;
            font-weight: 300; /* Heebo-Light */
        }
        
        .product-showcase .feature h4 i {
            margin-right: 6px;
            font-size: 14px;
            color: #000;
            transition: color 0.3s ease;
        }
        
        /* ==================== 按钮容器 ==================== */
        .product-showcase .button-container {
            display: flex;
            gap: 12px;
            width: 100%;
        }
        
        /* ==================== 产品按钮样式 ==================== */
        /* 按钮字体 - Heebo-Light */
        .product-showcase .product-btn {
            color: #fff;
            border: none;
            padding: 12px 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 6px;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex: 1;
            transition: all 0.3s ease;
            min-height: 44px;
            font-family: 'Heebo', sans-serif;
            font-weight: 300; /* Heebo-Light */
        }
        
        #deepsee7pro-content .learn-more-btn {
            background-color: #228b22;
        }
        
        #deepsee7-content .learn-more-btn {
            background-color: #1a365d;
        }
        
        #farwatch9-content .learn-more-btn {
            background-color: #ff6600;
        }
        
        #scout4pro-content .learn-more-btn {
            background-color: #333333;
        }
        
        #scout4-content .learn-more-btn {
            background-color: #000000;
        }
        
        .become-partner-btn {
            background-color: #444;
            border: 1px solid #444;
        }
        
        .product-showcase .product-btn:hover {
            opacity: 0.9;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        }
        
        #deepsee7pro-content .learn-more-btn:hover {
            background-color: #228b22;
            box-shadow: 0 4px 12px rgba(34, 139, 34, 0.2);
        }
        
        #deepsee7-content .learn-more-btn:hover {
            background-color: #1a365d;
            box-shadow: 0 4px 12px rgba(26, 54, 93, 0.2);
        }
        
        #farwatch9-content .learn-more-btn:hover {
            background-color: #ff6600;
            box-shadow: 0 4px 12px rgba(255, 102, 0, 0.2);
        }
        
        #scout4pro-content .learn-more-btn:hover {
            background-color: #333333;
            box-shadow: 0 4px 12px rgba(51, 51, 51, 0.2);
        }
        
        #scout4-content .learn-more-btn:hover {
            background-color: #000000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        }
        
        .become-partner-btn:hover {
            background-color: #555;
            border-color: #555;
            box-shadow: 0 4px 12px rgba(68, 68, 68, 0.2);
        }
        
        .product-showcase .product-btn i {
            margin-left: 8px;
            transition: transform 0.3s ease;
        }
        
        .product-showcase .product-btn:hover i {
            transform: translateX(4px);
        }
        
        /* ==================== 图片区域 ==================== */
        .product-showcase .image-content {
            flex: 1.2;
            display: flex;
            justify-content: center;
            align-items: center;
            max-width: 55%;
        }
        
        .product-showcase .product-image {
            width: 100%;
            max-width: 700px;
            height: 370px;
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.5s ease;
        }
        
        .product-showcase .product-image:hover {
            transform: scale(1.02);
        }
        
        .product-showcase .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        
        /* ==================== 响应式设计 ==================== */
        @media (max-width: 1050px) {
            .product-showcase .content-container {
                flex-direction: column;
                gap: 30px;
                padding: 20px;
            }
            
            .product-showcase .text-content {
                max-width: 100%;
                padding-right: 0;
                order: 2;
            }
            
            .product-showcase .image-content {
                max-width: 100%;
                order: 1;
                margin-bottom: 20px;
                width: 100%;
            }
            
            .product-showcase .product-title {
                text-align: center;
                font-size: 37px; /* 从32px增加到37px，保持加大5px */
            }
            
            .product-showcase .product-subtitle {
                justify-content: center;
                font-size: 16px;
            }
            
            .product-showcase .feature {
                flex: 1 1 calc(50% - 10px);
            }
            
            .product-showcase .product-image {
                height: 320px;
            }
        }
        
        @media (max-width: 768px) {
            .product-showcase .content-container {
                padding: 15px;
            }
            
            .product-showcase .product-title {
                font-size: 33px; /* 从28px增加到33px，保持加大5px */
            }
            
            .product-showcase .product-subtitle {
                font-size: 15px;
            }
            
            .product-showcase .product-description {
                font-size: 15px;
            }
            
            .product-showcase .product-image {
                height: 280px;
            }
            
            .product-showcase .feature h4 {
                font-size: 14px;
            }
            
            .product-showcase .feature h4 i {
                font-size: 13px;
            }
            
            .product-showcase .feature:hover {
                transform: translateY(-1px);
                box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
            }
            
            .product-showcase .button-container {
                flex-direction: column;
                gap: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .product-showcase .product-title {
                font-size: 31px; /* 从26px增加到31px，保持加大5px */
            }
            
            .product-showcase .product-image {
                height: 240px;
            }
            
            .product-showcase .features {
                gap: 8px;
            }
            
            .product-showcase .feature {
                flex: 1 1 calc(50% - 8px);
                min-height: 32px;
                padding: 6px 8px;
            }
            
            .product-showcase .product-btn {
                padding: 10px 16px;
                font-size: 13px;
            }
        }
        
        @media (max-width: 400px) {
            .product-showcase .product-image {
                height: 200px;
            }
        }
        
        /* ==================== 动画效果 ==================== */
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        
        @keyframes fadeIn {
            from { 
                opacity: 0; 
                transform: translateY(20px); 
            }
            to { 
                opacity: 1; 
                transform: translateY(0); 
            }
        }