:root {
            --primary-color: #0d47a1;
            --secondary-color: #ff4081;
            --accent-color: #ffeb3b;
            --dark-bg: #121212;
            --light-bg: #f5f5f5;
            --text-light: #ffffff;
            --text-dark: #333333;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background: linear-gradient(135deg, var(--light-bg) 0%, #e3f2fd 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: bold;
            color: var(--accent-color);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            color: var(--secondary-color);
            text-decoration: none;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav ul li a {
            color: var(--text-light);
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
        }
        nav ul li a:hover {
            background: var(--primary-color);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--accent-color);
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #e8eaf6;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
        }
        .breadcrumb span {
            color: #666;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-color);
            margin: 1.5rem 0 1rem;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin: 1.2rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        strong {
            color: var(--secondary-color);
            font-weight: 700;
        }
        em {
            color: #0d47a1;
        }
        .highlight {
            background: #fff9c4;
            padding: 1rem;
            border-left: 4px solid var(--accent-color);
            margin: 1rem 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            margin: 1.5rem auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        .search-box, .comment-form, .rating-form {
            background: #f1f8e9;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            border: 1px solid #c8e6c9;
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            margin-top: 0;
        }
        input, textarea, select, button {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        button {
            background: var(--primary-color);
            color: white;
            border: none;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        button:hover {
            background: var(--secondary-color);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .stars i {
            color: #ffd700;
            cursor: pointer;
            font-size: 1.5rem;
        }
        .stars i:hover {
            color: #ff9800;
        }
        footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 2rem 0;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
        }
        friend-link a {
            color: var(--accent-color);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #444;
            margin-top: 2rem;
            font-size: 0.9rem;
            color: #aaa;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: #777;
            margin-top: 1rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--dark-bg);
                padding: 1rem 0;
                margin-top: 1rem;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            article {
                padding: 1rem;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }