:root {
            --nan-ad-primary-color: #2c3e50;
            --nan-ad-secondary-color: #e74c3c;
            --nan-ad-accent-color: #3498db;
            --nan-ad-text-color: #333;
            --nan-ad-light-bg: #f9f9f9;
            --nan-ad-border-color: #e0e0e0;
            --nan-ad-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        .nan-ad-container {
            width: 360px;
            margin: 0 auto;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--nan-ad-shadow);
            border: 1px solid var(--nan-ad-border-color);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
			margin-bottom:15px;
        }
        
        .nan-ad-container:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        
        .nan-ad-header {
            background: var(--nan-ad-primary-color);
            color: white;
            padding: 35px 15px;
            text-align: center;
            position: relative;
        }
        
        .nan-ad-title {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 1px;
        }
        
        .nan-ad-subtitle {
            font-size: 14px;
            opacity: 0.9;
            margin-top: 5px;
        }
        
        .nan-ad-badge {
            position: absolute;
            top: 10px;
            right: 10px;
            background: var(--nan-ad-secondary-color);
            color: white;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }
        
        .nan-ad-content {
            padding: 20px;
            display: flex;
            flex-direction: column;
            height: calc(100% - 120px);
        }
        
        .nan-ad-services {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }
        
        .nan-ad-service {
            background: white;
            padding: 10px 15px;
            border-radius: 8px;
            flex: 1;
            min-width: 120px;
            text-align: center;
            font-weight: 600;
            color: var(--nan-ad-primary-color);
            border: 1px solid var(--nan-ad-border-color);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: all 0.2s ease;
        }
        
        .nan-ad-service:hover {
            background: var(--nan-ad-accent-color);
            color: white;
            transform: translateY(-3px);
        }
        
        .nan-ad-highlight {
            background: var(--nan-ad-secondary-color);
            color: white;
            font-weight: 700;
        }
        
        .nan-ad-contact {
            background: white;
            padding: 15px;
            border-radius: 8px;
            margin-top: auto;
            text-align: center;
            border: 1px dashed var(--nan-ad-accent-color);
			margin-bottom:35px;
        }
        
        .nan-ad-contact-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--nan-ad-primary-color);
        }
        
        .nan-ad-email {
            background: var(--nan-ad-light-bg);
            padding: 10px;
            border-radius: 6px;
            font-family: monospace;
            font-weight: 600;
            color: var(--nan-ad-secondary-color);
            text-decoration: none;
            display: block;
            transition: all 0.2s ease;
            word-break: break-all;
        }
        
        .nan-ad-email:hover {
            background: var(--nan-ad-accent-color);
            color: white;
        }
        
        .nan-ad-footer {
            background: var(--nan-ad-primary-color);
            color: rgba(255, 255, 255, 0.7);
            padding: 10px;
            text-align: center;
            font-size: 12px;
            position: absolute;
            bottom: 0;
            width: 100%;
        }
        
        .nan-ad-icons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 15px 0;
        }
        
        .nan-ad-icon {
            width: 40px;
            height: 40px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--nan-ad-primary-color);
            box-shadow: 0 3px 6px rgba(0,0,0,0.1);
        }
        
        /* 响应式设计 - 移动端 */
        @media (max-width: 768px) {
			.nan-ad-container {
                width: 100%;
                height: auto;
                min-height: 380px;
            }
            
            .nan-ad-services {
                flex-direction: column;
            }
            
            .nan-ad-service {
                min-width: 100%;
            }
        }
        
        /* 动画效果 */
        @keyframes nanAdPulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        
        .nan-ad-highlight {
            animation: nanAdPulse 2s infinite;
        }