body {
            background: linear-gradient(135deg, #f0f7ff 0%, #e6f2ff 100%);
            color: #333;
            line-height: 1.7;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background: white;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        
        /* 桌面端左右布局 */
        @media (min-width: 992px) {
            .container {
                flex-direction: row;
            }
            .main-content {
                flex: 7;
            }
            .sidebar {
                flex: 3;
                background: var(--light);
                border-left: 1px solid var(--gray);
                padding: 30px;
                display: flex;
                flex-direction: column;
            }
        }
        
        /* 头部样式 */
        .header {
            background: linear-gradient(120deg, var(--dark) 0%, var(--secondary) 100%);
            color: white;
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .header::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(39, 170, 222, 0.1) 0%, transparent 70%);
            transform: rotate(30deg);
        }
        
        .header h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            position: relative;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        
        .header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        .header-meta {
            display: flex;
            justify-content: center;
            gap: 20px;
            color: rgba(255,255,255,0.9);
            margin-top: 10px;
            flex-wrap: wrap;
        }
        
        .meta-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .news-tag {
            background: var(--primary);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.9rem;
        }
        
        /* 内容区样式 */
        .content-section {
            padding: 50px 40px;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 2.3rem;
            color: var(--secondary);
            display: inline-block;
            padding: 0 20px;
            position: relative;
            z-index: 1;
            background: white;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
            z-index: 0;
        }
        
        .article-content {
            font-size: 1.1rem;
            max-width: 900px;
            margin: 0 auto;
        }
        
        .highlight-box {
            background: var(--light-blue);
            border-left: 4px solid var(--primary);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        
        /* 表格样式 */
        .car-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border-radius: 10px;
            overflow: hidden;
        }
        
        .car-table th {
            background: var(--secondary);
            color: white;
            padding: 15px;
            text-align: left;
        }
        
        .car-table td {
            padding: 15px;
            border-bottom: 1px solid var(--gray);
        }
        
        .car-table tr:nth-child(even) {
            background: #f9f9f9;
        }
        
        .car-table tr:last-child td {
            border-bottom: none;
        }
        
        /* 特性卡片 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        
        .feature-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            border: 1px solid #f0f0f0;
        }
        
        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 25px rgba(39, 170, 222, 0.1);
        }
        
        .feature-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--primary);
        }
        
        .feature-card h3 {
            color: var(--secondary);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        
        /* 客户评价 */
        .testimonial {
            background: linear-gradient(120deg, #f0f7ff 0%, #e6f2ff 100%);
            border-radius: 10px;
            padding: 30px;
            margin: 40px 0;
            position: relative;
            border-left: 4px solid var(--secondary);
        }
        
        .testimonial p {
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        
        .testimonial-author {
            text-align: right;
            font-weight: 600;
            color: var(--secondary);
        }
        
        /* 促销横幅 */
        .promo-banner {
            background: linear-gradient(90deg, var(--primary), #27aade);
            color: white;
            text-align: center;
            padding: 20px;
            margin: 30px 0;
            border-radius: 8px;
        }
        
        /* 行动召唤区 */
        .cta-section {
            text-align: center;
            padding: 40px;
            background: var(--light);
            margin: 50px 0 0;
            border-radius: 10px;
        }
        
        .cta-button {
            background: var(--primary);
            color: white;
            padding: 15px 40px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(39, 170, 222, 0.3);
            font-size: 1.2rem;
            margin: 20px 0;
        }
        
        .cta-button:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(39, 170, 222, 0.4);
        }
        
        /* 页脚 */
        .footer {
            background: var(--dark);
            color: white;
            padding: 30px;
            text-align: center;
        }
        
        /* 侧边栏样式 */
        .sidebar-title {
            color: var(--secondary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        
        .vehicle-gallery {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .vehicle-item {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
        }
        
        .vehicle-item img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        
        .vehicle-info {
            padding: 15px;
        }
        
        .vehicle-info h4 {
            color: var(--secondary);
            margin-bottom: 5px;
        }
        
        .news-section {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
            margin-top: 20px;
        }
        
        .news-item {
            padding: 15px 0;
            border-bottom: 1px solid var(--gray);
        }
        
        .news-item:last-child {
            border-bottom: none;
        }
        
        .news-item h4 {
            color: var(--secondary);
            margin-bottom: 5px;
            font-size: 1rem;
        }
        
        .news-item p {
            font-size: 0.9rem;
            color: #666;
        }
        
        .news-date {
            font-size: 0.8rem;
            color: var(--primary);
            display: block;
            margin-top: 5px;
        }
        
        .qr-code-section {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
            text-align: center;
            margin-top: 20px;
            margin-bottom: 50px;
        }
        
        .qr-code {
            width: 180px;
            height: 180px;
            margin: 0 auto 15px;
            background: white;
            padding: 10px;
            border: 1px solid var(--gray);
        }
        
        .qr-code img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        
        .qr-desc {
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .qr-subdesc {
            font-size: 0.9rem;
            color: #666;
        }
        
        /* 响应式调整 */
        @media (max-width: 991px) {
            .sidebar {
                display: none;
            }
            .header h1 {
                font-size: 2.2rem;
            }
        }
        
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }
            
            .header p {
                font-size: 1rem;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .content-section {
                padding: 30px 20px;
            }
        }
        
        @media (max-width: 480px) {
            .header {
                padding: 30px 20px;
            }
            
            .car-table {
                display: block;
                overflow-x: auto;
            }
        }