* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #1a237e;
            --secondary-color: #ff5722;
            --accent-color: #4caf50;
            --light-color: #f5f5f5;
            --dark-color: #333;
            --text-color: #2d3748;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            color: var(--text-color);
            line-height: 1.7;
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--secondary-color);
            margin-right: 10px;
        }
        .logo span {
            color: var(--accent-color);
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 1.8rem;
        }
        nav ul li a {
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        nav ul li a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--secondary-color);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #f8f9fa;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: #666;
        }
        .breadcrumb a:hover {
            color: var(--secondary-color);
        }
        .search-container {
            max-width: 600px;
            margin: 2rem auto;
            padding: 0 20px;
        }
        .search-box {
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-box input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #e64a19;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background-color: white;
            border-radius: 8px;
            box-shadow: var(--shadow);
            padding: 2.5rem;
            margin-bottom: 2rem;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            color: var(--primary-color);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        h3 {
            color: var(--dark-color);
            font-size: 1.5rem;
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary-color);
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 1.5rem;
            border-left: 5px solid var(--secondary-color);
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            text-align: center;
            margin: 2.5rem 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .image-container figcaption {
            margin-top: 0.8rem;
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        strong {
            color: var(--primary-color);
        }
        em {
            color: var(--secondary-color);
            font-style: italic;
        }
        .interactive-section {
            background-color: #f1f8e9;
            padding: 2rem;
            border-radius: 8px;
            margin: 3rem 0;
            border: 1px solid #c5e1a5;
        }
        .rating-container, .comment-container {
            margin-bottom: 2.5rem;
        }
        .rating-title, .comment-title {
            display: flex;
            align-items: center;
            margin-bottom: 1.5rem;
        }
        .rating-title i, .comment-title i {
            color: var(--secondary-color);
            margin-right: 10px;
            font-size: 1.5rem;
        }
        .stars {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin-right: 5px;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
        }
        .rating-form label, .comment-form label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .rating-form input, .comment-form input,
        .comment-form textarea {
            padding: 0.8rem;
            margin-bottom: 1.2rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .rating-form input:focus,
        .comment-form input:focus,
        .comment-form textarea:focus {
            border-color: var(--accent-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.2);
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background-color: var(--secondary-color);
            color: white;
            padding: 0.9rem 2rem;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            align-self: flex-start;
        }
        .btn:hover {
            background-color: #e64a19;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .internal-links {
            background-color: #e3f2fd;
            padding: 2.5rem;
            border-radius: 8px;
            margin: 3rem 0;
        }
        .internal-links h3 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background-color: white;
            padding: 1rem;
            border-radius: 4px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            border-left: 4px solid var(--accent-color);
        }
        .web-link a {
            color: var(--primary-color);
            font-weight: 500;
            display: block;
        }
        .web-link a:hover {
            color: var(--secondary-color);
        }
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            color: var(--accent-color);
        }
        .footer-section ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-section ul li {
            margin-bottom: 0.7rem;
        }
        .footer-section a {
            transition: var(--transition);
        }
        .footer-section a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #b0bec5;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            nav {
                width: 100%;
                order: 3;
                margin-top: 1rem;
                display: none;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
            }
            nav ul li {
                margin: 0;
                margin-bottom: 0.5rem;
            }
            nav ul li a {
                display: block;
                padding: 0.8rem;
            }
            .hamburger {
                display: block;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .lead { font-size: 1.1rem; }
            .interactive-section,
            .internal-links {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            article { padding: 1.5rem; }
            .search-box { flex-direction: column; border-radius: 8px; }
            .search-box input { border-radius: 8px 8px 0 0; }
            .search-box button { border-radius: 0 0 8px 8px; padding: 1rem; }
            .web-links { grid-template-columns: 1fr; }
        }