* {
            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;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #007bff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a237e, #4a148c);
            color: white;
            padding: 20px 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;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: #ffd700;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        .my-logo a {
            color: inherit;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            padding: 10px 15px;
            border: none;
            border-radius: 25px;
            width: 250px;
            font-size: 1rem;
        }
        .search-form button {
            padding: 10px 20px;
            background-color: #ffd700;
            color: #1a237e;
            border: none;
            border-radius: 25px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background-color: #ffc107;
        }
        nav {
            background-color: #2d3748;
            margin-top: 15px;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 15px 0;
            position: relative;
        }
        .nav-links a:hover::after {
            content: '';
            position: absolute;
            bottom: 10px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #ffd700;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #495057;
        }
        main {
            flex: 1;
            padding: 30px 0;
        }
        article {
            background-color: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            margin-bottom: 30px;
        }
        h1 {
            font-size: 3rem;
            color: #1a237e;
            margin-bottom: 20px;
            text-align: center;
            border-bottom: 3px solid #ffd700;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: #4a148c;
            margin: 40px 0 20px;
            padding-left: 10px;
            border-left: 5px solid #ffd700;
        }
        h3 {
            font-size: 1.8rem;
            color: #6a11cb;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #8a2be2;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 20px;
            border-left: 5px solid #ffd700;
            margin: 25px 0;
            font-style: italic;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 25px auto;
            display: block;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: -15px;
            margin-bottom: 30px;
        }
        .form-section {
            background-color: #f1f8ff;
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .form-section h3 {
            color: #1a237e;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 600px;
            margin-top: 20px;
        }
        form input, form textarea, form select {
            padding: 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
        }
        form button {
            padding: 15px;
            background-color: #1a237e;
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s ease;
        }
        form button:hover {
            background-color: #4a148c;
        }
        footer {
            background-color: #1a237e;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: #ffd700;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 15px;
            margin: 10px 0;
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }
        friend-link a {
            color: #ffd700;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #4a148c;
            font-size: 0.9rem;
            color: #ccc;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .search-form input {
                width: 200px;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #2d3748;
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 1000;
                padding: 20px;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 20px;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }