* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #00ccff;
            --secondary-color: #ff4655;
            --dark-bg: #0f1420;
            --card-bg: #1a2238;
            --text-color: #e6e9f0;
            --accent-color: #7b68ee;
            --success-color: #00ff88;
            --border-radius: 12px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-color);
            background: linear-gradient(135deg, #0a0e1a 0%, var(--dark-bg) 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(15, 20, 32, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary-color);
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            transition: var(--transition);
        }
        .logo:hover {
            transform: scale(1.05);
            text-shadow: 0 0 20px rgba(0, 204, 255, 0.3);
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .nav-link {
            color: var(--text-color);
            text-decoration: none;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--border-radius);
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            background: rgba(0, 204, 255, 0.1);
            color: var(--primary-color);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: var(--transition);
        }
        .nav-link:hover::after {
            width: 70%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-color);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--dark-bg);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            transition: var(--transition);
            z-index: 999;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-nav .nav-link {
            display: block;
            padding: 15px;
            margin: 10px 0;
            border-left: 4px solid var(--primary-color);
        }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(26, 34, 56, 0.6);
            margin-bottom: 30px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: var(--text-color);
        }
        main {
            padding: 40px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding: 30px;
            background: linear-gradient(135deg, rgba(26, 34, 56, 0.8), rgba(15, 20, 32, 0.9));
            border-radius: var(--border-radius);
            border: 1px solid rgba(0, 204, 255, 0.2);
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            background: linear-gradient(45deg, var(--primary-color), #ff6b9d);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            color: #a0a7c2;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .content-section {
            background: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 40px;
            margin-bottom: 40px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
        }
        .content-section:hover {
            box-shadow: 0 15px 40px rgba(0, 204, 255, 0.1);
            transform: translateY(-5px);
        }
        h2 {
            font-size: 2.5rem;
            margin-bottom: 25px;
            color: var(--primary-color);
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 10px;
            display: inline-block;
        }
        h3 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            color: var(--accent-color);
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            color: #d0d4e2;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(0, 204, 255, 0.1), transparent);
            border-left: 4px solid var(--primary-color);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .stat-card {
            background: rgba(15, 20, 32, 0.7);
            padding: 25px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(123, 104, 238, 0.3);
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: var(--accent-color);
            transform: translateY(-3px);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 40px auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
            border: 3px solid var(--primary-color);
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            padding: 15px;
            background: rgba(15, 20, 32, 0.8);
            color: #a0a7c2;
            font-style: italic;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .feature-card {
            background: var(--card-bg);
            padding: 30px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(255, 70, 85, 0.3);
        }
        .feature-card h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        input, textarea, select {
            padding: 15px;
            background: rgba(15, 20, 32, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            color: var(--text-color);
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(0, 204, 255, 0.2);
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 15px 0;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #444;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating label:hover,
        .rating label:hover ~ label,
        .rating input:checked ~ label {
            color: #ffd700;
        }
        .btn {
            padding: 16px 32px;
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 1px;
            text-align: center;
            text-decoration: none;
            display: inline-block;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 204, 255, 0.3);
            background: linear-gradient(45deg, var(--accent-color), var(--primary-color));
        }
        .btn-secondary {
            background: linear-gradient(45deg, var(--secondary-color), #ff6b9d);
        }
        .btn-secondary:hover {
            background: linear-gradient(45deg, #ff6b9d, var(--secondary-color));
            box-shadow: 0 10px 20px rgba(255, 70, 85, 0.3);
        }
        .content-link {
            color: var(--primary-color);
            text-decoration: none;
            border-bottom: 2px dotted var(--primary-color);
            transition: var(--transition);
            font-weight: 600;
        }
        .content-link:hover {
            color: var(--accent-color);
            border-bottom-style: solid;
            background: rgba(0, 204, 255, 0.05);
        }
        .footer-links {
            background: rgba(15, 20, 32, 0.9);
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }
        .web-link {
            background: rgba(26, 34, 56, 0.7);
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid var(--secondary-color);
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(26, 34, 56, 0.9);
            transform: translateX(5px);
        }
        .web-link a {
            color: var(--text-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .web-link:hover a {
            color: var(--primary-color);
        }
        .web-link i {
            color: var(--accent-color);
        }
        footer {
            background: #0a0e1a;
            padding: 40px 0;
            text-align: center;
            border-top: 1px solid rgba(0, 204, 255, 0.2);
        }
        .copyright {
            color: #a0a7c2;
            font-size: 0.95rem;
            margin-top: 20px;
        }
        .social-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 25px 0;
        }
        .social-links a {
            color: var(--text-color);
            font-size: 1.5rem;
            transition: var(--transition);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.05);
        }
        .social-links a:hover {
            color: var(--primary-color);
            background: rgba(0, 204, 255, 0.1);
            transform: translateY(-5px);
        }
        .text-center { text-align: center; }
        .mb-30 { margin-bottom: 30px; }
        .mt-30 { margin-top: 30px; }
        .emoji { font-size: 1.3em; }
        .bold { font-weight: 800; color: var(--primary-color); }
        .keyword { background: rgba(0, 204, 255, 0.1); padding: 2px 6px; border-radius: 4px; }
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            .content-section {
                padding: 25px;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .web-links-container {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .content-section, .feature-card, .stat-card {
            animation: fadeIn 0.6s ease-out;
        }