        :root {
            --primary-color: #1a3a6d;
            --primary-light: #2c5a9e;
            --accent-color: #1a3a6d;
            --light-color: #f8f9fa;
            --dark-color: #343a40;
            --gray-color: #6c757d;
            --transition: all 0.3s ease;
        }
        

        /* 选项卡容器 */
        .tabs-container {
            max-width: 1200px;
            margin: 3rem auto;
            padding: 0 2rem;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-title h2 {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            width: 70px;
            height: 4px;
            background: var(--accent-color);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        
        .section-title p {
            color: var(--gray-color);
            max-width: 700px;
            margin: 1.5rem auto 0;
            font-size: 1.1rem;
        }
        
        /* 选项卡导航 */
        .tabs-nav {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-template-rows: repeat(2, 1fr);
            gap: 1rem;
            margin-bottom: 3rem;
        }
        
        .tab-btn {
            background: white;
            border: none;
            border-radius: 10px;
            padding: 1rem 1.2rem;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100%;
        }
        
        .tab-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary-light);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }
        
        .tab-btn:hover::before {
            transform: scaleX(1);
        }
        
        .tab-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        
        .tab-btn.active {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            background: linear-gradient(to bottom, white 0%, #f0f5ff 100%);
        }
        
        .tab-btn.active::before {
            transform: scaleX(1);
            background: var(--accent-color);
        }
        
        .tab-icon {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        
        .tab-btn:hover .tab-icon,
        .tab-btn.active .tab-icon {
            color: var(--accent-color);
            transform: scale(1.1);
        }
        
        .tab-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        
        .tab-btn p {
            color: var(--gray-color);
            font-size: 0.95rem;
            line-height: 1.5;
        }
        
        /* 选项卡内容 */
        .tab-content {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            display: none;
        }
        
        .tab-content.active {
            display: flex;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .tab-img {
            flex: 1;
            min-height: 400px;
            background-size: cover;
            background-position: center;
        }
        
        .tab-info {
            flex: 1;
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .tab-info h3 {
            font-size: 1.6rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            position: relative;
            padding-bottom: 1rem;
        }
        
        .tab-info h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 60px;
            height: 2px;
            background: var(--accent-color);
            border-radius: 2px;
        }
        
        .tab-info p {
            color: var(--gray-color);
            margin-bottom: 1.8rem;
            line-height: 1.8;
            font-size: 1.1rem;
        }
        
        .features-list {
            margin-bottom: 2rem;
        }
        
        .feature-item {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1rem;
        }
        
        .feature-item i {
            color: var(--accent-color);
            margin-right: 10px;
            margin-top: 5px;
            font-size: 1.2rem;
        }
        
        .feature-item span {
            color: var(--dark-color);
            font-weight: 500;
        }
        
        .tab-actions {
            display: flex;
            gap: 1rem;
        }
        
        .btn {
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
            border: 2px solid transparent;
            cursor: pointer;
        }
        
        .btn-primary {
            background-color: var(--primary-color);
            color: white;
        }
        
        .btn-outline {
            background-color: transparent;
            color: var(--primary-color);
            border-color: var(--primary-color);
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .btn-primary:hover {
            background-color: var(--primary-light);
        }
        
        .btn-outline:hover {
            background-color: rgba(26, 58, 109, 0.05);
        }
        

        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .tabs-nav {
                grid-template-columns: repeat(3, 1fr);
                grid-template-rows: repeat(2, 1fr);
            }
            
            .tab-title{
                font-size: 1rem;
            }
            
            .tab-btn p{
                display: none;
            }
            
            
            .tab-content {
                flex-direction: column;
            }
            
            .tab-info{
                
                padding:1.5rem;
            }
            
            .tab-info h3{
                font-size: 1.4rem;
                margin-bottom:1rem;
            }
            
            .tab-info h3::after{
                height: 1px;
            }
            
            .tab-info p{
                font-size: 1rem;
                margin-bottom:1rem;
            }
            
            .tab-img {
                min-height: 300px;
            }
            .feature-item{
                font-size: 1rem;
                margin-bottom: 0.5rem;
            }
        }
        
        @media (max-width: 768px) {
            .tabs-container{
                margin:2rem auto;
                padding:0 10px;
            }
            
            .section-title h2{
                font-size: 1.6rem;
            }
            .section-title h2::after{
                height:2px;
            }
            .nav-links {
                display: none;
            }
            
            .tabs-nav {
                grid-template-columns: repeat(3, 1fr);
                grid-template-rows: repeat(2, 1fr);
                gap: 0.5rem;
                margin-bottom: 1rem;
            }
            
            .tab-icon{
                font-size: 1.5rem;
            }
            
            
            .tab-title{
                font-size: 0.9rem;
            }
            
            .tab-btn {
                padding: 0.5rem;
            }
            
            .tab-info {
                padding: 1rem;
            }
        }
    </style>