:root {
            --primary-color: #00f3ff;
            --secondary-color: #9d4edd;
            --accent-color: #ff0055;
            --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);
            --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;
            color: #01eafd;
        }
        
        .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);
        }
        
        /* 新闻主视觉区域 */
        .news-hero {
            position: relative;
            min-height: 50vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            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);
        }
        
        .news-hero-content {
            max-width: 1200px;
            z-index: 2;
            position: relative;
        }
        
        .news-hero h1 {
            font-size: 4.5rem;
            margin-bottom: 20px;
            text-transform: uppercase;
            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 5s ease-in-out infinite;
            line-height: 1.1;
            text-shadow: 0 0 30px rgba(0, 243, 255, 0.3);
        }
        
        @keyframes gradientShift {
            0%, 100% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
        }
        
        .news-hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 40px;
            color: var(--text-secondary);
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            font-weight: 300;
        }
        
        /* 新闻内容区域 */
        .news-content {
            padding: 100px 40px;
            max-width: 1400px;
            margin: 0 auto;
            position: relative;
            display: flex;
            gap: 40px;
        }
        
        .news-main {
            flex: 1;
            min-width: 0;
        }
        
        .news-sidebar {
            width: 320px;
            flex-shrink: 0;
        }
        
        /* 搜索栏样式 */
        .news-search-container {
            background: rgba(20, 25, 45, 0.7);
            border-radius: 20px;
            padding: 30px;
            margin-bottom: 40px;
            border: 1px solid rgba(0, 243, 255, 0.2);
            backdrop-filter: blur(10px);
        }
        
        .news-search-form {
            display: flex;
            gap: 15px;
        }
        
        .news-search-input {
            flex: 1;
            padding: 15px 25px;
            background: rgba(0, 5, 15, 0.7);
            border: 1px solid rgba(0, 243, 255, 0.3);
            border-radius: 50px;
            color: var(--text-primary);
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
            font-family: 'Exo 2', sans-serif;
        }
        
        .news-search-input:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 20px rgba(0, 243, 255, 0.4);
        }
        
        .news-search-button {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            color: var(--darker-bg);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .news-search-button:hover {
            transform: translateY(-3px);
            box-shadow: var(--glow-shadow);
        }
        
        /* 排序选项 */
        .news-sort-options {
            display: flex;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .news-sort-btn {
            background: rgba(0, 243, 255, 0.1);
            border: 1px solid rgba(0, 243, 255, 0.3);
            color: var(--text-primary);
            padding: 10px 25px;
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .news-sort-btn.active {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            color: var(--darker-bg);
            box-shadow: var(--glow-shadow);
        }
         .news-sort-btn.active a {
             color: #000000;
            text-decoration: none;
         }
        .news-sort-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 243, 255, 0.3);
        }
        
        /* 新闻文章卡片 */
        .news-article {
            background: var(--card-bg);
            border-radius: 20px;
            padding: 40px;
            margin-bottom: 40px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(0, 243, 255, 0.1);
            transition: var(--transition);
            backdrop-filter: blur(10px);
        }
        
        .news-article::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(0, 243, 255, 0.1), transparent 30%);
            z-index: -1;
        }
        
        .news-article:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6), var(--glow-shadow);
            border-color: rgba(0, 243, 255, 0.3);
        }
        
        .article-header {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
        }
        
        .article-category {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-right: 20px;
            color: var(--darker-bg);
        }
        
        .article-date {
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
        }
        
        .article-date i {
            margin-right: 8px;
            color: var(--primary-color);
        }
        
        .article-title {
            font-size: 2.2rem;
            margin-bottom: 20px;
            color: var(--primary-color);
            line-height: 1.3;
        }
        
        .article-title a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
            display: block;
        }
        
        .article-title a:hover {
            color: var(--accent-color);
            text-shadow: 0 0 15px rgba(255, 0, 85, 0.5);
        }
        
        /* 文章标签样式 - 与首页建站知识推荐保持一致 */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 12px 0 15px 0;
        }
        
        .article-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(102, 126, 234, 0.1);
            color: var(--primary-color, #667eea);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            line-height: 1.4;
            transition: all 0.3s ease;
            border: 1px solid rgba(102, 126, 234, 0.2);
            cursor: pointer;
            user-select: none;
        }
        
        .article-tag:hover {
            background: rgba(102, 126, 234, 0.2);
            color: var(--primary-color, #667eea);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
            border-color: rgba(102, 126, 234, 0.3);
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .article-tag {
                font-size: 0.8rem;
                padding: 3px 10px;
            }
        }
        
        .article-excerpt {
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.8;
            font-size: 1.1rem;
        }
        
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 25px;
            border-top: 1px solid rgba(0, 243, 255, 0.1);
        }
        
        .article-views {
            color: var(--text-secondary);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
        }
        
        .article-views i {
            margin-right: 8px;
            color: var(--accent-color);
        }
        
        .article-read-more {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            color: var(--darker-bg);
            text-decoration: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        
        .article-read-more:hover {
            transform: translateY(-3px);
            box-shadow: var(--glow-shadow);
            gap: 15px;
        }
        
        /* 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);
        }
        
        .latest-articles-list {
            list-style: none;
        }
        
        .latest-article-item {
            padding: 20px 0;
            border-bottom: 1px solid rgba(0, 243, 255, 0.1);
        }
        
        .latest-article-item:last-child {
            border-bottom: none;
        }
        
        .latest-article-title {
            font-size: 1.1rem;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        
        .latest-article-title a {
            color: var(--text-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .latest-article-title a:hover {
            color: var(--primary-color);
        }
        
        .latest-article-date {
            color: var(--text-secondary);
            font-size: 0.85rem;
            display: flex;
            align-items: center;
        }
        
        .latest-article-date i {
            margin-right: 8px;
            font-size: 0.8rem;
            color: var(--primary-color);
        }
        
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }
        
        .tag-cloud-item {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(102, 126, 234, 0.1);
            color: var(--primary-color, #667eea);
            border-radius: 20px;
            font-size: 0.85rem;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 1px solid rgba(102, 126, 234, 0.2);
        }
        
        .tag-cloud-item:hover {
            background: rgba(102, 126, 234, 0.2);
            color: var(--primary-color, #667eea);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
            text-decoration: none;
        }
        
        /* 分页样式 */
        .news-pagination {
            display: flex;
            justify-content: center;
            margin-top: 60px;
        }
        
        .news-pagination .dede_pages {
            display: flex;
            justify-content: center;
        }
        
        .news-pagination .pagelist {
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            list-style: none;
            gap: 10px;
        }
        
        .news-pagination .pagelist li {
            display: inline-block;
            background: rgba(20, 25, 45, 0.7);
            border: 1px solid rgba(0, 243, 255, 0.2);
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .news-pagination .pagelist li a,
        .news-pagination .pagelist li span {
            display: block;
            padding: 12px 20px;
            color: var(--text-primary);
            text-decoration: none;
            text-align: center;
            min-width: 50px;
            transition: var(--transition);
        }
        
        .news-pagination .pagelist li.thisclass,
        .news-pagination .pagelist li.active {
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            border-color: transparent;
        }
        
        .news-pagination .pagelist li.thisclass a,
        .news-pagination .pagelist li.thisclass span,
        .news-pagination .pagelist li.active a,
        .news-pagination .pagelist li.active span {
            color: var(--darker-bg);
            font-weight: 700;
        }
        
        .news-pagination .pagelist li:hover:not(.thisclass):not(.active) {
            background: rgba(0, 243, 255, 0.1);
            border-color: rgba(0, 243, 255, 0.4);
            transform: translateY(-3px);
        }
        
        /* 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) {
            .news-content {
                flex-direction: column;
            }
            
            .news-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) {
            .news-hero h1 {
                font-size: 3.5rem;
            }
            
            .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;
            }
        }
        
        @media (max-width: 768px) {
            .news-hero {
                padding: 150px 20px 60px;
            }
            
            .news-hero h1 {
                font-size: 2.8rem;
            }
            
            .news-hero-subtitle {
                font-size: 1.3rem;
            }
            
            .header-container {
                padding: 0 20px;
            }
            
            .news-content {
                padding: 80px 20px;
            }
            
            .article-title {
                font-size: 1.8rem;
            }
            
            .news-search-form {
                flex-direction: column;
            }
            
            .news-search-input {
                width: 100%;
            }
            
            .news-search-button {
                width: 100%;
            }
            
            .news-article {
                padding: 30px 20px;
            }
            
            .article-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            
            .article-meta {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
            
            .news-sidebar {
                gap: 20px;
            }
            
            footer {
                padding: 80px 20px 40px;
            }
            
            .footer-content {
                gap: 40px;
            }
            
            .footer-links {
                gap: 20px;
            }
        }
        
        /* 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;
        }