* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            padding-top: 80px; 
        }
        a {
            color: #1a73e8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0d47a1;
            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-color: #1a237e;
            color: white;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: bold;
            color: #ffeb3b;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo:hover {
            color: #ffc107;
        }
        nav ul {
            list-style: none;
            display: flex;
            gap: 25px;
        }
        nav ul li a {
            color: white;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 4px;
        }
        nav ul li a:hover {
            background-color: rgba(255,255,255,0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1a237e;
                padding: 20px;
                box-shadow: 0 8px 16px rgba(0,0,0,0.2);
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                margin: 10px 0;
            }
            body {
                padding-top: 100px;
            }
        }
        .breadcrumb {
            padding: 15px 20px;
            background-color: #e8eaf6;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #5c6bc0;
        }
        .breadcrumb a:hover {
            color: #3949ab;
        }
        main {
            background-color: white;
            padding: 30px;
            margin: 20px auto;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 25px;
            border-bottom: 3px solid #ffeb3b;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: #283593;
            margin-top: 40px;
            margin-bottom: 20px;
        }
        h3 {
            font-size: 1.8rem;
            color: #3949ab;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #5c6bc0;
            margin-top: 25px;
            margin-bottom: 12px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            hyphens: auto;
        }
        strong {
            color: #1a237e;
            font-weight: 700;
        }
        em {
            color: #d32f2f;
            font-style: italic;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 15px;
            border-left: 5px solid #ffeb3b;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            max-width: 800px;
            margin: 0 auto;
        }
        .functional-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }
        .search-box, .comment-form, .rating-form {
            background-color: #f5f5f5;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            color: #1a237e;
            margin-bottom: 15px;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            margin: 10px 0;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
        }
        button {
            background-color: #1a237e;
            color: white;
            padding: 12px 25px;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s ease;
        }
        button:hover {
            background-color: #0d47a1;
        }
        footer {
            background-color: #1a237e;
            color: white;
            padding: 40px 20px;
            margin-top: 50px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: #bbdefb;
        }
        friend-link a:hover {
            color: #90caf9;
        }
        .copyright {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #3949ab;
            font-size: 0.9rem;
            color: #c5cae9;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #757575;
            margin-bottom: 20px;
            font-size: 0.9rem;
        }
        @media (max-width: 480px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            h4 { font-size: 1.2rem; }
            main { padding: 20px; }
        }