* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #007bff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        header {
            background: linear-gradient(135deg, #1a237e, #4a148c);
            color: white;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: bold;
            color: white;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #ffeb3b;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 1.5rem;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #495057;
        }
        .breadcrumb span {
            color: #495057;
            margin: 0 0.3rem;
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .search-section {
            background: #f1f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #007bff;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-form button {
            background: #007bff;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: #0056b3;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            text-align: center;
            border-bottom: 3px solid #ffeb3b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #4a148c;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #007bff;
        }
        h3 {
            font-size: 1.5rem;
            color: #333;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 0.3rem;
        }
        .featured-image {
            margin: 2rem auto;
            text-align: center;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .featured-image img {
            width: 100%;
            max-width: 800px;
            height: auto;
        }
        .featured-image figcaption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .content-link {
            color: #d81b60;
            font-weight: 600;
        }
        .content-link:hover {
            text-decoration: underline;
            color: #ad1457;
        }
        .interactive-section {
            background: #f9f9f9;
            padding: 2rem;
            border-radius: 10px;
            margin-top: 3rem;
            border: 1px solid #ddd;
        }
        .interactive-section h2 {
            color: #1a237e;
            border-left: none;
            text-align: center;
            margin-bottom: 1.5rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: bold;
            color: #555;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: #28a745;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: bold;
            transition: background 0.3s ease;
            display: block;
            margin: 0 auto;
        }
        .submit-btn:hover {
            background: #218838;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #ffc107;
            margin-bottom: 1rem;
        }
        footer {
            background: #1a237e;
            color: white;
            padding: 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: #ffeb3b;
            margin-bottom: 1rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #b3e5fc;
        }
        friend-link a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #bbbbbb;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 0.5rem 0;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            main {
                padding: 0 1rem;
            }
            article {
                padding: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input, .search-form button {
                width: 100%;
                border-radius: 5px;
                margin-bottom: 0.5rem;
            }
            .footer-container {
                grid-template-columns: 1fr;
            }
        }