* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }
        
        :root {
            --primary: #0066cc;
            --primary-dark: #004d99;
            --secondary: #00ccff;
            --accent: #ff6600;
            --dark: #0a1929;
            --dark-light: #1a2b3c;
            --light: #e6f2ff;
            --text: #f0f8ff;
            --text-secondary: #b3d9ff;
        }
        
        body {
            background: linear-gradient(135deg, var(--dark) 0%, #0d1f2e 100%);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        .container {
            width: 85%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background: rgba(10, 25, 41, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            border-bottom: 1px solid rgba(0, 102, 204, 0.3);
        }
        
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            box-shadow: 0 0 15px rgba(0, 204, 255, 0.5);
        }
        
        .logo-text h1 {
            font-size: 28px;
            font-weight: 700;
            background: linear-gradient(to right, var(--secondary), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        
        .logo-text p {
            font-size: 14px;
            color: var(--text-secondary);
            letter-spacing: 2px;
        }
        
        /* 导航栏 */
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 25px;
        }
        
        nav ul li a {
            color: var(--text);
            text-decoration: none;
            font-weight: 500;
            padding: 8px 15px;
            border-radius: 5px;
            transition: all 0.3s ease;
            position: relative;
        }
        
        nav ul li a:hover {
            color: var(--secondary);
            background: rgba(0, 102, 204, 0.1);
        }
        
        nav ul li a.active {
            color: var(--secondary);
        }
        
        nav ul li a.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 15px;
            right: 15px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }
        
        /* 主横幅 */
        
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(0, 102, 204, 0.2) 0%, transparent 60%),
                        radial-gradient(circle at 70% 20%, rgba(0, 204, 255, 0.15) 0%, transparent 60%);
            z-index: -1;
        }
        
        .hero h2 {
            font-size: 46px;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--light), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .hero p {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto 28px;
            color: var(--text-secondary);
        }
        
        .cta-button {
            display: inline-block;
            padding: 12px 30px;
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 102, 204, 0.4);
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 102, 204, 0.6);
        }
        
        /* 警告条 */
        .alert-bar {
            background: linear-gradient(to right, #ff3333, #cc0000);
            color: white;
            text-align: center;
            padding: 12px;
            font-size: 14px;
            position: relative;
        }
        
        .alert-bar i {
            margin-right: 10px;
        }
        
        /* 内容区域 */
        .main-content {
            display: grid;
            grid-template-columns: 1fr 3fr;
            gap: 30px;
            padding: 50px 0;
        }
        
        /* 侧边栏 */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        .widget {
            background: rgba(26, 43, 60, 0.7);
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(0, 102, 204, 0.2);
            backdrop-filter: blur(5px);
        }
        
        .widget h3 {
            font-size: 18px;
            margin-bottom: 20px;
            color: var(--secondary);
            display: flex;
            align-items: center;
        }
        
        .widget h3 i {
            margin-right: 10px;
        }
        
        .search-box input {
            width: 100%;
            padding: 12px 15px;
            background: rgba(10, 25, 41, 0.7);
            border: 1px solid rgba(0, 102, 204, 0.3);
            border-radius: 5px;
            color: var(--text);
            margin-bottom: 10px;
        }
        
        .search-box button {
            width: 100%;
            padding: 12px;
            background: linear-gradient(to right, var(--primary), var(--primary-dark));
            color: white;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .search-box button:hover {
            background: linear-gradient(to right, var(--primary-dark), var(--primary));
        }
        
        .category-list, .product-list, .news-list {
            list-style: none;
        }
        
        .category-list li, .product-list li, .news-list li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }
        
        .category-list li:last-child, .product-list li:last-child, .news-list li:last-child {
            border-bottom: none;
        }
        
        .category-list li:hover, .product-list li:hover, .news-list li:hover {
            padding-left: 10px;
            color: var(--secondary);
        }
        
        .category-list a, .product-list a, .news-list a {
            color: var(--text);
            text-decoration: none;
            display: flex;
            align-items: center;
            transition: all 0.3s ease;
        }
        
        .category-list a:hover, .product-list a:hover, .news-list a:hover {
            color: var(--secondary);
        }
        
        .category-list a i, .product-list a i, .news-list a i {
            margin-right: 10px;
            font-size: 14px;
        }
        
        /* 主内容区 */
        .content {
            background: rgba(26, 43, 60, 0.7);
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(0, 102, 204, 0.2);
            backdrop-filter: blur(5px);
        }
        
        .content h2 {
            font-size: 28px;
            margin-bottom: 25px;
            color: var(--secondary);
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(0, 102, 204, 0.3);
        }
        
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }
        
        .news-card {
            background: rgba(10, 25, 41, 0.5);
            border-radius: 8px;
            padding: 20px;
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 102, 204, 0.2);
        }
        
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
            border-color: var(--primary);
        }
        
        .news-card h3 {
            color: var(--secondary);
            margin-bottom: 10px;
            font-size: 18px;
        }
        
        .news-card p {
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 15px;
        }
        
        .news-card a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
            font-size: 14px;
            display: flex;
            align-items: center;
        }
        
        .news-card a i {
            margin-left: 5px;
            transition: transform 0.3s ease;
        }
        
        .news-card a:hover i {
            transform: translateX(5px);
        }
        
        /* 产品展示区 */
        .products-showcase {
            margin-top: 50px;
        }
        
        .product-cards {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }
        
        .product-card {
            background: rgba(10, 25, 41, 0.5);
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid rgba(0, 102, 204, 0.2);
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
            border-color: var(--secondary);
        }
        
        .product-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-size: 24px;
            color: white;
        }
        
        .product-card h3 {
            color: var(--text);
            margin-bottom: 10px;
            font-size: 18px;
        }
        
        .product-card p {
            color: var(--text-secondary);
            font-size: 14px;
        }
        
       
        
         .aaa p, .aaa a {
            color: var(--primary);
            margin-bottom: 10px;
            display: block;
            text-decoration: none;
            transition: color 0.3s ease;
        }
       
       .aaa a:hover {
            color: var(--secondary);
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            width: 40px;
            height: 40px;
            background: rgba(0, 102, 204, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .social-links a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            
            .hero h2 {
                font-size: 34px;
            }
            
            nav ul {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            nav ul li {
                margin: 5px 10px;
            }
        }
        
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                text-align: center;
            }
            
            .logo {
                margin-bottom: 15px;
            }
            
            .hero {
                padding: 50px 0;
            }
            
            .hero h2 {
                font-size: 26px;
            }
            
            .hero p {
                font-size: 14px;
            }
        }