* {
            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-color: #f8f9fa;
            padding: 0;
            margin: 0;
        }
        a {
            color: #0066cc;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #004999;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #003366, #0055a4);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: white;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        .logo a {
            color: inherit;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            text-decoration: none;
        }
        .breadcrumb {
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #ccc;
        }
        .breadcrumb a {
            color: #ccc;
        }
        .breadcrumb a:hover {
            color: white;
        }
        .search-bar {
            margin: 2rem auto;
            max-width: 600px;
            text-align: center;
        }
        .search-bar form {
            display: flex;
            gap: 10px;
        }
        .search-bar input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #ddd;
            border-radius: 30px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .search-bar input:focus {
            outline: none;
            border-color: #0066cc;
        }
        .search-bar button {
            padding: 12px 25px;
            background: linear-gradient(to right, #0066cc, #004999);
            color: white;
            border: none;
            border-radius: 30px;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.3s, background 0.3s;
        }
        .search-bar button:hover {
            transform: scale(1.05);
            background: linear-gradient(to right, #004999, #003366);
        }
        main {
            padding: 2rem 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 2rem;
        }
        article {
            padding: 0 20px;
        }
        h1 {
            font-size: 3rem;
            color: #003366;
            margin-bottom: 1.5rem;
            text-align: center;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: #0055a4;
            margin: 2.5rem 0 1rem;
            border-bottom: 3px solid #0066cc;
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #0077cc;
            margin: 2rem 0 0.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #0099ff;
            margin: 1.5rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            line-height: 1.8;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 15px;
            border-left: 5px solid #ffcc00;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .image-container {
            margin: 2rem auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 10px;
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 2rem 0;
            padding: 20px;
            background-color: #f1f8ff;
            border-radius: 10px;
        }
        .link-list a {
            display: block;
            padding: 10px 15px;
            background: white;
            border: 1px solid #ddd;
            border-radius: 5px;
            transition: all 0.3s;
        }
        .link-list a:hover {
            background: #0066cc;
            color: white;
            border-color: #0066cc;
            transform: translateY(-3px);
        }
        .user-interaction {
            margin: 3rem 0;
            padding: 2rem;
            background: #f9f9f9;
            border-radius: 10px;
            border: 1px solid #eee;
        }
        .interaction-title {
            font-size: 1.8rem;
            color: #003366;
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            font-weight: bold;
            margin-bottom: 5px;
            color: #555;
        }
        textarea, input[type="text"], input[type="email"] {
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        textarea:focus, input:focus {
            outline: none;
            border-color: #0066cc;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ffcc00;
            cursor: pointer;
            justify-content: center;
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .submit-btn {
            padding: 15px;
            background: linear-gradient(to right, #28a745, #20c997);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            transition: transform 0.3s, background 0.3s;
            align-self: flex-start;
        }
        .submit-btn:hover {
            transform: scale(1.05);
            background: linear-gradient(to right, #20c997, #198754);
        }
        footer {
            background: #003366;
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #ffcc00;
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }
        .friend-links {
            list-style: none;
        }
        .friend-links li {
            margin-bottom: 10px;
        }
        .friend-links a {
            color: #ccc;
        }
        .friend-links a:hover {
            color: #ffcc00;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #0055a4;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #004999;
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 1000;
                padding: 1rem;
                border-radius: 0 0 10px 10px;
            }
            nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .search-bar form {
                flex-direction: column;
            }
            .search-bar button {
                width: 100%;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
        }