        .tuart_container {
            --primary-color: #333333;
            --secondary-color: #666666;
            --light-color: #999999;
            --border-color: #e0e0e0;
            --card-bg: #ffffff;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            --shadow-hover: 0 8px 16px rgba(0, 0, 0, 0.15);
            --link-color: #0066cc;
            --link-hover: #004499;
            --title-hover: #ff6600;
        }

        .tuart_container {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        .tuart_container {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #f8f9fa;
            color: var(--primary-color);
            line-height: 1.6;
            padding: 20px;
        }

        .tuart_container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .tuart_header {
            text-align: center;
            margin-bottom: 40px;
        }

        .tuart_title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--primary-color);
        }

        .tuart_subtitle {
            font-size: 1.1rem;
            color: var(--secondary-color);
            max-width: 600px;
            margin: 0 auto;
        }

        .tuart_grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .tuart_card {
            background: var(--card-bg);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .tuart_card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .tuart_image_container {
            width: 100%;
            height: 200px;
            overflow: hidden;
        }

        .tuart_image_link {
            display: block;
            width: 100%;
            height: 100%;
            text-decoration: none;
        }

        .tuart_image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .tuart_image_link:hover .tuart_image {
            transform: scale(1.05);
        }

        .tuart_content {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .tuart_card_title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--primary-color);
            line-height: 1.4;
        }

        .tuart_title_link {
            color: var(--link-color);
            text-decoration: none;
            transition: color 0.3s ease;
            display: inline-block;
        }

        .tuart_title_link:hover {
            color: var(--title-hover);
            text-decoration: underline;
            transform: translateY(-1px);
        }

        .tuart_description {
            font-size: 0.95rem;
            color: var(--secondary-color);
            margin-bottom: 15px;
            line-height: 1.5;
            flex-grow: 1;
        }

        .tuart_date {
            font-size: 0.85rem;
            color: var(--light-color);
            margin-top: auto;
        }

        .tuart_footer {
            text-align: center;
            padding: 20px 0;
            color: var(--light-color);
            font-size: 0.9rem;
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .tuart_grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 25px;
            }
        }

        @media (max-width: 768px) {
            .tuart_grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            
            .tuart_title {
                font-size: 1.75rem;
            }
            
            .tuart_image_container {
                height: 180px;
            }
            
            .tuart_title_link:hover {
                color: var(--title-hover);
                transform: none;
            }
        }

        @media (max-width: 576px) {
            .tuart_grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }
            
            .tuart_title {
                font-size: 1.5rem;
            }
            
            .tuart_subtitle {
                font-size: 1rem;
            }
            
            .tuart_image_container {
                height: 160px;
            }
            
            .tuart_content {
                padding: 15px;
            }
            
            .tuart_card_title {
                font-size: 1.1rem;
                margin-bottom: 8px;
            }
            
            .tuart_description {
                font-size: 0.9rem;
                margin-bottom: 10px;
            }
        }

        @media (max-width: 400px) {
            .tuart_grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            
            .tuart_image_container {
                height: 140px;
            }
            
            .tuart_content {
                padding: 12px;
            }
            
            .tuart_card_title {
                font-size: 1rem;
            }
            
            .tuart_description {
                font-size: 0.85rem;
            }
        }