:root {
            --primary-color: #2563eb;
            --secondary-color: #1e40af;
            --accent-color: #f59e0b;
            --text-color: #1f2937;
            --light-bg: #f3f4f6;
            --dark-bg: #111827;
            --white: #ffffff;
            --gray: #6b7280;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --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-color);
            background-color: var(--white);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: bold;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .logo a {
            color: inherit;
        }
        .search-bar {
            flex: 0 1 400px;
            display: flex;
        }
        .search-bar input {
            flex: 1;
            padding: 10px 15px;
            border: 2px solid var(--primary-color);
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-bar button {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 10px 20px;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-bar button:hover {
            background-color: var(--secondary-color);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary-color);
        }
        nav {
            background-color: var(--dark-bg);
        }
        .nav-links {
            display: flex;
            list-style: none;
            justify-content: center;
        }
        .nav-links li {
            position: relative;
        }
        .nav-links a {
            color: var(--white);
            padding: 15px 20px;
            display: block;
            font-weight: 500;
        }
        .nav-links a:hover {
            background-color: var(--primary-color);
        }
        .breadcrumb {
            padding: 10px 0;
            background-color: var(--light-bg);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        main {
            padding: 40px 0;
        }
        article {
            background-color: var(--white);
            padding: 30px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--dark-bg);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-color);
            margin: 30px 0 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-bg);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: #fef3c7;
            padding: 15px;
            border-left: 4px solid var(--accent-color);
            margin: 20px 0;
            font-weight: bold;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 20px 0;
            box-shadow: var(--shadow);
        }
        .interactive-section {
            background-color: var(--light-bg);
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .comment-form, .rating-form {
            display: grid;
            gap: 15px;
            margin-top: 20px;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--gray);
            border-radius: 5px;
            font-size: 1rem;
        }
        button {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
        }
        button:hover {
            background-color: var(--secondary-color);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .stars i {
            color: var(--accent-color);
            cursor: pointer;
            font-size: 1.5rem;
        }
        .internal-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .web-link {
            background-color: var(--light-bg);
            padding: 15px;
            border-radius: 5px;
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--white);
            padding: 40px 0 20px;
            text-align: center;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 30px;
        }
        .footer-links a {
            color: var(--white);
        }
        .footer-links a:hover {
            color: var(--accent-color);
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-bar {
                order: 3;
                flex: 1 100%;
                margin-top: 15px;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                display: none;
            }
            .nav-links.active {
                display: flex;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.75rem;
            }
            .internal-links {
                grid-template-columns: 1fr;
            }
        }