* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #0066b3; 
            --secondary: #107c10; 
            --accent: #ff9500;
            --dark: #1a1a1a;
            --light: #f5f5f5;
            --gray: #6c757d;
            --text: #333333;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            line-height: 1.6;
            color: var(--text);
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark) 0%, #2a2a2a 100%);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }
        .logo span {
            color: var(--accent);
            font-weight: 900;
        }
        .logo i {
            color: var(--primary);
        }
        .search-form {
            display: flex;
            flex: 0 1 400px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 20px;
            border: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--secondary);
        }
        nav {
            background-color: rgba(0,0,0,0.9);
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            padding: 18px 20px;
            display: block;
            font-weight: 500;
            transition: var(--transition);
            border-bottom: 3px solid transparent;
        }
        .nav-links a:hover, .nav-links a.active {
            background-color: rgba(255,255,255,0.05);
            border-bottom-color: var(--accent);
            color: var(--accent);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 10px;
        }
        .breadcrumb {
            background-color: rgba(255,255,255,0.05);
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 10px;
            opacity: 0.7;
        }
        .breadcrumb a {
            color: #ccc;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: white;
        }
        .breadcrumb li:last-child a {
            color: var(--accent);
            font-weight: 600;
        }
        main {
            padding: 40px 0;
            background: white;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-top: 20px;
            position: relative;
            overflow: hidden;
        }
        .article-header {
            text-align: center;
            padding: 30px 20px;
            border-bottom: 2px solid var(--light);
            margin-bottom: 40px;
            background: linear-gradient(rgba(0,102,179,0.03), transparent);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            color: var(--gray);
            font-size: 0.9rem;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .meta-item i {
            margin-right: 8px;
            color: var(--primary);
        }
        .content-section {
            padding: 0 40px 40px;
        }
        @media (max-width: 768px) {
            .content-section {
                padding: 0 20px 30px;
            }
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background-color: rgba(255, 149, 0, 0.1);
            border-left: 4px solid var(--accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 5px 5px 0;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            margin: 30px auto;
            display: block;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .content-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--primary);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--secondary);
            border-bottom-style: solid;
        }
        ul, ol {
            margin-bottom: 20px;
            padding-left: 30px;
        }
        li {
            margin-bottom: 10px;
            line-height: 1.7;
        }
        .interactive-section {
            background: var(--light);
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .rating-system, .comment-form {
            margin-top: 30px;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .rating-star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-star:hover, .rating-star.active {
            color: #ffcc00;
        }
        .rating-form, .comment-form form {
            display: grid;
            gap: 20px;
            margin-top: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input, .form-group textarea, .form-group select {
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0,102,179,0.1);
        }
        .submit-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 5px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            justify-self: start;
        }
        .submit-btn:hover {
            background: var(--secondary);
            transform: translateY(-2px);
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 50px 0;
        }
        .web-link {
            background: white;
            border: 1px solid #eaeaea;
            padding: 20px;
            border-radius: 8px;
            transition: var(--transition);
            box-shadow: 0 3px 8px rgba(0,0,0,0.05);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            border-color: var(--primary);
        }
        .web-link a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
            display: block;
            font-size: 1.1rem;
        }
        .web-link a:hover {
            color: var(--primary);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 25px;
            font-size: 1.3rem;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 10px;
            display: inline-block;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .footer-links i {
            color: var(--accent);
            font-size: 0.9rem;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .search-form {
                width: 100%;
                max-width: 500px;
            }
            .article-header h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 110px;
                left: -100%;
                width: 100%;
                background-color: rgba(0,0,0,0.95);
                flex-direction: column;
                transition: var(--transition);
                z-index: 999;
                padding: 20px 0;
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links a {
                padding: 15px 30px;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .content-section {
                padding: 0 15px 30px;
            }
            .interactive-section {
                padding: 20px;
            }
        }
        @media (max-width: 576px) {
            .article-header h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 10px;
                align-items: center;
            }
            .rating-star {
                font-size: 1.7rem;
            }
            .web-links-container {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        .content-section > * {
            opacity: 0;
            animation: fadeIn 0.6s ease forwards;
        }
        .content-section > *:nth-child(1) { animation-delay: 0.1s; }
        .content-section > *:nth-child(2) { animation-delay: 0.2s; }
        .content-section > *:nth-child(3) { animation-delay: 0.3s; }
        .content-section > *:nth-child(4) { animation-delay: 0.4s; }
        .content-section > *:nth-child(5) { animation-delay: 0.5s; }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .keyword {
            background-color: rgba(0,102,179,0.1);
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
            color: var(--primary);
        }
        .stat-box {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 1.2rem;
            opacity: 0.9;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        @media print {
            header, footer, .interactive-section, .web-links-container {
                display: none;
            }
            body {
                background: white;
                color: black;
                font-size: 12pt;
            }
            .container {
                max-width: 100%;
                padding: 0;
            }
            main {
                box-shadow: none;
                margin: 0;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }