:root {
            --primary-color: #00f3ff;
            --secondary-color: #9d4edd;
            --accent-color: #ff0055;
            --ai-color: #00ff9d;
            --dark-bg: #0a0a1a;
            --darker-bg: #050510;
            --card-bg: rgba(20, 20, 40, 0.7);
            --text-primary: #ffffff;
            --text-secondary: #b0b0ff;
            --glow-shadow: 0 0 20px var(--primary-color);
            --ai-glow-shadow: 0 0 25px rgba(0, 255, 157, 0.6);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Exo 2', sans-serif;
            background-color: var(--dark-bg);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(0, 243, 255, 0.05) 0%, transparent 20%),
                radial-gradient(circle at 90% 80%, rgba(157, 78, 221, 0.05) 0%, transparent 20%);
            background-attachment: fixed;
        }
        
        h1, h2, h3, h4, .logo, .nav-link {
            font-family: 'Orbitron', sans-serif;
            font-weight: 700;
        }
        
        .monospace {
            font-family: 'Share Tech Mono', monospace;
        }
        
        /* 粒子背景容器 */
        #particles-js {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
        }
        
        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 10, 26, 0.9);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0, 243, 255, 0.2);
            padding: 20px 0;
            transition: var(--transition);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 40px;
        }
        
        .logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            display: flex;
            align-items: center;
            position: relative;
        }
        
        .logo i {
            margin-right: 12px;
            font-size: 1.8rem;
            filter: drop-shadow(0 0 8px var(--primary-color));
        }
        
        .logo span {
            position: relative;
        }
        
        .logo span::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-color), transparent);
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-item {
            margin-left: 40px;
            position: relative;
        }
        
        .nav-link {
            color: var(--text-primary);
            text-decoration: none;
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            position: relative;
            padding: 8px 0;
            transition: var(--transition);
            display: flex;
            align-items: center;
        }
        
        .nav-link i {
            margin-right: 8px;
            font-size: 0.9rem;
        }
        
        .nav-link:hover {
            color: var(--primary-color);
            text-shadow: 0 0 10px rgba(0, 243, 255, 0.7);
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: width 0.3s ease;
            box-shadow: 0 0 10px var(--primary-color);
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        .nav-cta {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            padding: 10px 25px;
            border-radius: 30px;
            color: var(--darker-bg);
            font-weight: 700;
            margin-left: 30px;
            transition: var(--transition);
            box-shadow: 0 0 15px rgba(0, 243, 255, 0.3);
        }
        
        .nav-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 20px rgba(0, 243, 255, 0.5);
            color: var(--darker-bg);
        }
        
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-color);
            transition: var(--transition);
        }
        
        .mobile-toggle:hover {
            transform: rotate(90deg);
        }
        
        /* 新闻详情主视觉 */
        .article-hero {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: flex-end;
            padding: 150px 40px 80px;
            overflow: hidden;
            background: radial-gradient(ellipse at center, rgba(15, 25, 45, 0.9) 0%, rgba(5, 10, 20, 1) 100%);
            border-bottom: 1px solid rgba(0, 243, 255, 0.1);
        }
        
        .article-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(10, 10, 26, 0.8), rgba(10, 10, 26, 0.9)), 
                        url('https://images.unsplash.com/photo-1542744095-fcf48d80b0fd?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            z-index: -1;
            opacity: 0.3;
        }
        
        .article-hero-content {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
            position: relative;
            z-index: 2;
        }
        
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 30px;
        }
        
        .article-category {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            padding: 10px 25px;
            border-radius: 25px;
            font-size: 1rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--darker-bg);
        }
        
        .article-date, .article-author, .article-reading-time {
            display: flex;
            align-items: center;
            color: var(--text-secondary);
            font-size: 1rem;
        }
        
        .article-date i, .article-author i, .article-reading-time i {
            margin-right: 10px;
            color: var(--primary-color);
        }
        
        .article-title {
            font-size: 3.5rem;
            margin-bottom: 30px;
            line-height: 1.2;
            text-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            background-size: 200% auto;
            animation: gradientShift 8s ease-in-out infinite;
        }
        
        @keyframes gradientShift {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }
        
        .article-subtitle {
            font-size: 1.5rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            font-weight: 300;
            max-width: 900px;
        }
        
        /* 新闻详情内容区域 */
        .article-content-container {
            padding: 80px 40px;
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            gap: 60px;
        }
        
        .article-main-content {
            flex: 1;
            min-width: 0;
        }
        
        .article-sidebar {
            width: 350px;
            flex-shrink: 0;
        }
        
        /* 文章内容样式 */
        .article-content {
            background: var(--card-bg);
            border-radius: 25px;
            padding: 60px;
            margin-bottom: 40px;
            border: 1px solid rgba(0, 243, 255, 0.1);
            backdrop-filter: blur(10px);
            position: relative;
            overflow: hidden;
        }
        
        .article-content::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
        }
        
        .article-image {
            width: 100%;
            height: 400px;
            border-radius: 20px;
            overflow: hidden;
            margin: 40px 0;
            position: relative;
        }
        
        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .article-image:hover img {
            transform: scale(1.05);
        }
        
        .article-image-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(0, 0, 0, 0.7);
            padding: 15px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            text-align: center;
        }
        
        .article-body {
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .article-body h1 {
            color: #ffffff;
        }
        .article-body h2 {
            font-size: 2.2rem;
            margin: 50px 0 25px;
            color: var(--primary-color);
            position: relative;
            padding-bottom: 15px;
        }
        
        .article-body h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100px;
            height: 3px;
            background: var(--primary-color);
            box-shadow: 0 0 10px var(--primary-color);
        }
        
        .article-body h3 {
            font-size: 1.8rem;
            margin: 40px 0 20px;
            color: var(--secondary-color);
        }
        
        .article-body p {
            margin-bottom: 25px;
            color: var(--text-secondary);
        }
        
        .article-body strong {
            color: var(--text-primary);
            font-weight: 600;
        }
        
        .article-body em {
            color: var(--text-secondary);
            font-style: italic;
        }
        
        /* 引用块样式 */
        .article-quote {
            background: rgba(0, 243, 255, 0.1);
            border-left: 4px solid var(--primary-color);
            padding: 30px;
            margin: 40px 0;
            border-radius: 10px;
            position: relative;
        }
        
        .article-quote::before {
            content: '"';
            position: absolute;
            top: -20px;
            left: 20px;
            font-size: 4rem;
            color: var(--primary-color);
            opacity: 0.3;
            font-family: serif;
        }
        
        .article-quote p {
            font-size: 1.3rem;
            font-style: italic;
            color: var(--primary-color);
            margin: 0;
        }
        
        /* 列表样式 */
        .article-list {
            margin: 30px 0;
            padding-left: 30px;
        }
        
        .article-list li {
            margin-bottom: 15px;
            color: var(--text-secondary);
            position: relative;
        }
        
        .article-list li::before {
            content: '▸';
            color: var(--primary-color);
            position: absolute;
            left: -20px;
        }
        
        /* 代码块样式 */
        .article-code {
            background: rgba(0, 0, 0, 0.3);
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
            border-left: 4px solid var(--secondary-color);
            overflow-x: auto;
        }
        
        .article-code pre {
            font-family: 'Share Tech Mono', monospace;
            color: var(--text-primary);
            font-size: 0.95rem;
            line-height: 1.5;
            margin: 0;
        }
        
        .article-code code {
            color: var(--primary-color);
        }
        
        /* 表格样式 */
        .article-table {
            width: 100%;
            border-collapse: collapse;
            margin: 40px 0;
            border-radius: 10px;
            overflow: hidden;
            background: rgba(0, 0, 0, 0.2);
        }
        
        .article-table th {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            padding: 20px;
            text-align: left;
            color: var(--darker-bg);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .article-table td {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(0, 243, 255, 0.1);
            color: var(--text-secondary);
        }
        
        .article-table tr:hover td {
            background: rgba(0, 243, 255, 0.05);
        }
        
        /* 标签区域 */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid rgba(0, 243, 255, 0.1);
        }
        
        .article-tag {
            background: rgba(157, 78, 221, 0.1);
            border: 1px solid rgba(157, 78, 221, 0.3);
            color: var(--secondary-color);
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .article-tag:hover {
            background: rgba(157, 78, 221, 0.2);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(157, 78, 221, 0.2);
        }
        
        /* 文章操作区域 */
        .article-actions {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px solid rgba(0, 243, 255, 0.1);
        }
        
        .article-social-share {
            display: flex;
            gap: 15px;
        }
        
        .share-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(0, 243, 255, 0.1);
            color: var(--primary-color);
            font-size: 1.2rem;
            transition: var(--transition);
            border: 1px solid rgba(0, 243, 255, 0.2);
        }
        
        .share-btn:hover {
            background: rgba(0, 243, 255, 0.2);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 243, 255, 0.3);
        }
        
        .article-navigation {
            display: flex;
            gap: 20px;
        }
        
        .nav-btn {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 25px;
            background: rgba(0, 243, 255, 0.1);
            border: 1px solid rgba(0, 243, 255, 0.3);
            color: var(--text-primary);
            text-decoration: none;
            border-radius: 30px;
            transition: var(--transition);
            font-weight: 600;
        }
        
        .nav-btn:hover {
            background: rgba(0, 243, 255, 0.2);
            transform: translateY(-3px);
        }
        
        /* 侧边栏样式 */
        .sidebar-section {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 30px;
            margin-bottom: 30px;
            border: 1px solid rgba(0, 243, 255, 0.1);
            backdrop-filter: blur(10px);
        }
        
        .sidebar-title {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: var(--primary-color);
            position: relative;
            padding-bottom: 15px;
        }
        
        .sidebar-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--primary-color);
            box-shadow: 0 0 10px var(--primary-color);
        }
        
        .author-info {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        
        .author-avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 2.5rem;
        }
        
        .author-name {
            font-size: 1.3rem;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .author-bio {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        
        .related-articles-list {
            list-style: none;
        }
        
        .related-article-item {
            padding: 20px 0;
            border-bottom: 1px solid rgba(0, 243, 255, 0.1);
        }
        
        .related-article-item:last-child {
            border-bottom: none;
        }
        
        .related-article-title {
            font-size: 1.1rem;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        
        .related-article-title a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .related-article-title a:hover {
            color: var(--primary-color);
        }
        
        .related-article-date {
            color: var(--text-secondary);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
        }
        
        .related-article-date i {
            margin-right: 8px;
            font-size: 0.8rem;
            color: var(--primary-color);
        }
        
        /* 页脚 */
        footer {
            background: var(--darker-bg);
            padding: 100px 40px 50px;
            border-top: 1px solid rgba(0, 243, 255, 0.2);
            position: relative;
            overflow: hidden;
        }
        
        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 60px;
            margin-bottom: 60px;
            position: relative;
            z-index: 1;
        }
        
        .footer-section h3 {
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 15px;
            font-size: 1.8rem;
        }
        
        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--primary-color);
            box-shadow: 0 0 10px var(--primary-color);
        }
        
        .social-icons {
            display: flex;
            gap: 20px;
            margin-top: 25px;
        }
        
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            background: rgba(0, 243, 255, 0.1);
            border-radius: 50%;
            color: var(--primary-color);
            font-size: 1.3rem;
            transition: var(--transition);
            border: 1px solid rgba(0, 243, 255, 0.2);
        }
        
        .social-icons a:hover {
            background: rgba(0, 243, 255, 0.2);
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 243, 255, 0.3);
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section ul li {
            margin-bottom: 15px;
        }
        
        .footer-section ul li a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
        }
        
        .footer-section ul li a i {
            margin-right: 10px;
            font-size: 0.9rem;
            color: var(--primary-color);
        }
        
        .footer-section ul li a:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }
        
        .footer-section p {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        
        .footer-section p i {
            margin-right: 12px;
            color: var(--primary-color);
            width: 20px;
            text-align: center;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 50px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            max-width: 1400px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 25px;
        }
        
        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        
        .footer-links a:hover {
            color: var(--primary-color);
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .article-content-container {
                flex-direction: column;
            }
            
            .article-sidebar {
                width: 100%;
                display: grid;
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
                gap: 30px;
            }
            
            .sidebar-section {
                margin-bottom: 0;
            }
        }
        
        @media (max-width: 992px) {
            .article-title {
                font-size: 2.8rem;
            }
            
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background: rgba(10, 10, 26, 0.98);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 60px;
                transition: left 0.5s ease;
                backdrop-filter: blur(20px);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-item {
                margin: 20px 0;
            }
            
            .nav-cta {
                margin-left: 0;
                margin-top: 20px;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .article-actions {
                flex-direction: column;
                gap: 20px;
                align-items: flex-start;
            }
        }
        
        @media (max-width: 768px) {
            .article-hero {
                padding: 150px 20px 60px;
            }
            
            .article-title {
                font-size: 2.2rem;
            }
            
            .article-subtitle {
                font-size: 1.2rem;
            }
            
            .header-container {
                padding: 0 20px;
            }
            
            .article-content-container {
                padding: 60px 20px;
            }
            
            .article-content {
                padding: 40px 5px;
            }
            
            .article-image {
                height: 250px;
            }
            
            .article-body h2 {
                font-size: 1.8rem;
            }
            
            .article-body h3 {
                font-size: 1.5rem;
            }
            .article-body img {
                width: 100%;
            }
        }
        
        /* 科技感线条装饰 */
        .tech-line {
            position: absolute;
            background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
            height: 1px;
            opacity: 0.2;
            z-index: 0;
        }
        
        .tech-line.horizontal {
            width: 100%;
            left: 0;
        }
        
        .tech-line.vertical {
            height: 100%;
            width: 1px;
            top: 0;
        }
        
        /* 浮动元素 */
        .float-element {
            position: absolute;
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }
        
        /* 回到顶部按钮 */
        .back-to-top {
            position: fixed;
            bottom: 40px;
            right: 40px;
            width: 60px;
            height: 60px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--darker-bg);
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
            z-index: 999;
            box-shadow: var(--glow-shadow);
            opacity: 0;
            visibility: hidden;
        }
        
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        
        .back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 243, 255, 0.5);
        }
        
        .ai-assistant-button {
            position: fixed;
            bottom: 120px;
            right: 40px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--ai-color), var(--secondary-color));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--darker-bg);
            font-size: 1.6rem;
            cursor: pointer;
            z-index: 999;
            box-shadow: var(--ai-glow-shadow);
            transition: var(--transition);
        }
        
        .ai-assistant-button:hover {
            transform: translateY(-4px) scale(1.05);
            box-shadow: 0 0 30px rgba(0, 255, 157, 0.8);
        }
        
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 9999;
            justify-content: center;
            align-items: center;
            backdrop-filter: blur(10px);
        }
        
        .modal-content {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 40px;
            max-width: 500px;
            width: 90%;
            border: 1px solid rgba(0, 243, 255, 0.3);
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
            position: relative;
            animation: modalFadeIn 0.3s ease;
        }
        
        @keyframes modalFadeIn {
            from { opacity: 0; transform: translateY(-30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .modal-close:hover {
            color: var(--accent-color);
            transform: rotate(90deg);
        }
        
        .ai-chat-container {
            background: rgba(15, 20, 40, 0.9);
            border-radius: 20px;
            padding: 5px;
            border: 1px solid rgba(0, 243, 255, 0.3);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8), inset 0 0 20px rgba(0, 243, 255, 0.1);
            position: relative;
            overflow: hidden;
        }
        
        .ai-chat-header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        
        .ai-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--ai-color));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            font-size: 1.8rem;
            box-shadow: var(--ai-glow-shadow);
            position: relative;
            overflow: hidden;
            color: var(--darker-bg);
        }
        
        .online-indicator {
            display: inline-block;
            width: 10px;
            height: 10px;
            background-color: #00ff00;
            border-radius: 50%;
            margin-right: 8px;
            animation: pulse 2s infinite;
            box-shadow: 0 0 10px #00ff00;
        }
        
        .ai-chat-messages {
            height: 320px;
            overflow-y: auto;
            padding: 20px;
            background: rgba(0, 5, 15, 0.6);
            border-radius: 15px;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            border: 1px solid rgba(0, 243, 255, 0.2);
        }
        
        .ai-chat-messages table.md-table {
            width: 100%;
            border-collapse: collapse;
            margin: 10px 0;
            font-size: 0.9rem;
        }
        
        .ai-chat-messages table.md-table th,
        .ai-chat-messages table.md-table td {
            border: 1px solid rgba(0, 243, 255, 0.2);
            padding: 6px 10px;
            text-align: left;
        }
        
        .ai-chat-messages table.md-table th {
            background: rgba(0, 243, 255, 0.08);
            color: var(--primary-color);
        }
        
        .message {
            margin-bottom: 15px;
            padding: 14px 16px;
            border-radius: 15px;
            max-width: 85%;
            position: relative;
            animation: fadeIn 0.4s ease;
            font-size: 0.95rem;
        }
        
        .ai-message {
            background: linear-gradient(135deg, rgba(0, 150, 255, 0.15), rgba(0, 100, 200, 0.08));
            border-left: 3px solid var(--primary-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .user-message {
            background: linear-gradient(135deg, rgba(0, 255, 157, 0.18), rgba(0, 200, 130, 0.1));
            border-right: 3px solid var(--ai-color);
            margin-left: auto;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(8px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes pulse {
            0% { opacity: 0.6; }
            50% { opacity: 1; }
            100% { opacity: 0.6; }
        }
        
        .ai-chat-input {
            display: flex;
            position: relative;
            z-index: 1;
        }
        
        .ai-chat-input input {
            flex: 1;
            padding: 14px 18px;
            background: rgba(0, 5, 15, 0.8);
            border: 1px solid rgba(0, 243, 255, 0.4);
            border-radius: 25px;
            color: var(--text-primary);
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
            font-family: 'Exo 2', sans-serif;
        }
        
        .ai-chat-input input:focus {
            border-color: var(--ai-color);
            box-shadow: 0 0 18px rgba(0, 255, 157, 0.4);
        }
        
        .ai-chat-input button {
            background: linear-gradient(90deg, var(--ai-color), var(--secondary-color));
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-left: 15px;
            color: var(--darker-bg);
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .ai-chat-input button:hover {
            transform: scale(1.08) rotate(10deg);
            box-shadow: var(--ai-glow-shadow);
        }
        
        .chat-quick-questions {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
            position: relative;
            z-index: 1;
        }
        
        .quick-question {
            padding: 8px 16px;
            background: rgba(0, 100, 200, 0.22);
            border: 1px solid rgba(0, 150, 255, 0.35);
            border-radius: 20px;
            color: var(--text-primary);
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .quick-question:hover {
            background: rgba(0, 255, 157, 0.22);
            border-color: rgba(0, 255, 157, 0.6);
            transform: translateY(-2px);
        }
        
        .ai-modal .modal-content {
            max-width: 720px;
            padding: 30px;
        }
        
        @media (max-width: 768px) {
            .ai-chat-messages {
                height: 260px;
            }
            
            .ai-assistant-button {
                bottom: 145px;
                right: 5px;
                width: 52px;
                height: 52px;
            }
        }