* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            color: #2c3e50;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: #e74c3c;
        }
        .logo:hover {
            color: #3498db;
            transform: scale(1.05);
            transition: all 0.3s ease;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            text-decoration: none;
            color: #2c3e50;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 25px;
            transition: all 0.3s ease;
        }
        .nav-desktop a:hover {
            background: #3498db;
            color: white;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #2c3e50;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: white;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 1rem 2rem;
            text-decoration: none;
            color: #2c3e50;
            border-bottom: 1px solid #eee;
            transition: all 0.3s ease;
        }
        .nav-mobile a:hover {
            background: #3498db;
            color: white;
        }
        .breadcrumb {
            background: rgba(255, 255, 255, 0.9);
            padding: 1rem 0;
            margin-top: 80px;
        }
        .breadcrumb-content {
            display: flex;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            background: white;
            margin: 2rem auto;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
            overflow: hidden;
        }
        .article-header {
            background: linear-gradient(135deg, #2c3e50, #3498db);
            color: white;
            padding: 3rem 2rem;
            text-align: center;
        }
        .article-header h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 1rem;
            opacity: 0.9;
        }
        .article-content {
            padding: 3rem 2rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .article-section {
            margin-bottom: 3rem;
        }
        .article-section h2 {
            color: #2c3e50;
            font-size: 2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #3498db;
            display: inline-block;
        }
        .article-section h3 {
            color: #34495e;
            font-size: 1.5rem;
            margin: 1.5rem 0 1rem 0;
        }
        .article-section p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.8;
            text-align: justify;
        }
        .article-section ul, .article-section ol {
            margin: 1rem 0 1.5rem 2rem;
        }
        .article-section li {
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(120deg, #a8e6cf 0%, #dcedc1 100%);
            padding: 2rem;
            border-radius: 15px;
            border-left: 5px solid #27ae60;
            margin: 2rem 0;
        }
        .highlight h3 {
            color: #27ae60;
            margin-top: 0;
        }
        .search-section {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 15px;
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 500px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 1rem;
            border: 2px solid #3498db;
            border-radius: 25px 0 0 25px;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background: #3498db;
            color: white;
            border: none;
            padding: 1rem 1.5rem;
            border-radius: 0 25px 25px 0;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .search-button:hover {
            background: #2980b9;
            transform: scale(1.05);
        }
        .interactive-section {
            background: #34495e;
            color: white;
            padding: 2rem;
            border-radius: 15px;
            margin: 2rem 0;
        }
        .rating-system, .comment-system {
            margin-bottom: 2rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #f1c40f;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .star:hover {
            transform: scale(1.2);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .comment-input, .comment-textarea {
            padding: 1rem;
            border: none;
            border-radius: 10px;
            font-size: 1rem;
            background: rgba(255,255,255,0.1);
            color: white;
        }
        .comment-textarea {
            min-height: 100px;
            resize: vertical;
        }
        .comment-input::placeholder, .comment-textarea::placeholder {
            color: rgba(255,255,255,0.7);
        }
        .submit-button {
            background: #e74c3c;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 25px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            transition: all 0.3s ease;
        }
        .submit-button:hover {
            background: #c0392b;
            transform: translateY(-2px);
        }
        .featured-image {
            width: 100%;
            height: 400px;
            background: linear-gradient(135deg, #667eea, #764ba2);
            border-radius: 15px;
            margin: 2rem 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            position: relative;
            overflow: hidden;
        }
        .featured-image::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('https://via.placeholder.com/1200x600') center/cover;
            opacity: 0.7;
        }
        .image-content {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
        }
        .web-link {
            background: linear-gradient(135deg, #74b9ff, #0984e3);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
        }
        footer {
            background: #2c3e50;
            color: white;
            padding: 3rem 0 1rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            margin-bottom: 1rem;
            color: #3498db;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: #3498db;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #34495e;
            color: #95a5a6;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .article-content {
                padding: 2rem 1rem;
            }
            .header-content, .breadcrumb-content {
                padding: 0 1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input, .search-button {
                border-radius: 25px;
                margin-bottom: 0.5rem;
            }
            .featured-image {
                height: 250px;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .article-header {
                padding: 2rem 1rem;
            }
            .article-header h1 {
                font-size: 1.5rem;
            }
            .article-section h2 {
                font-size: 1.5rem;
            }
            .article-section h3 {
                font-size: 1.2rem;
            }
            .stars {
                justify-content: center;
            }
            .star {
                font-size: 1.5rem;
            }
        }
        .fade-in {
            animation: fadeIn 1s ease-in;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .slide-in {
            animation: slideIn 0.8s ease-out;
        }
        @keyframes slideIn {
            from { transform: translateX(-100px); opacity: 0; }
            to { transform: translateX(0); opacity: 1; }
        }
        .text-center { text-align: center; }
        .text-bold { font-weight: bold; }
        .text-highlight { background: yellow; padding: 0 2px; }
        .emoji { font-size: 1.2em; margin: 0 2px; }