* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #2c3e50;
            --secondary-color: #e74c3c;
            --accent-color: #f39c12;
            --text-color: #333;
            --light-bg: #f8f9fa;
            --white: #ffffff;
            --shadow: 0 2px 10px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary-color);
            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 a {
            color: var(--white);
            text-decoration: none;
            font-size: 1.8rem;
            font-weight: bold;
        }
        .logo span {
            color: var(--accent-color);
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-form input {
            flex: 1;
            padding: 10px 15px;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--accent-color);
            color: var(--white);
            border: none;
            padding: 10px 15px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #e67e22;
        }
        nav {
            background-color: #34495e;
        }
        .nav-desktop {
            display: flex;
            list-style: none;
        }
        .nav-desktop li {
            position: relative;
        }
        .nav-desktop a {
            color: var(--white);
            text-decoration: none;
            padding: 15px 20px;
            display: block;
            transition: var(--transition);
        }
        .nav-desktop a:hover {
            background-color: var(--secondary-color);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            list-style: none;
            background-color: #34495e;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: var(--white);
            text-decoration: none;
            padding: 15px 20px;
            display: block;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: var(--transition);
        }
        .nav-mobile a:hover {
            background-color: var(--secondary-color);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--white);
            margin-bottom: 20px;
            box-shadow: var(--shadow);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 5px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 5px;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            background-color: var(--white);
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        article h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary-color);
            line-height: 1.2;
        }
        article h2 {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            color: var(--primary-color);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
        }
        article h3 {
            font-size: 1.4rem;
            margin: 25px 0 10px;
            color: var(--secondary-color);
        }
        article p {
            margin-bottom: 15px;
            text-align: justify;
        }
        article ul, article ol {
            margin-bottom: 15px;
            padding-left: 20px;
        }
        article li {
            margin-bottom: 8px;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 15px;
            border-left: 4px solid var(--accent-color);
            margin: 20px 0;
            border-radius: 0 4px 4px 0;
        }
        .feature-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            margin: 20px auto;
            display: block;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .rating-section {
            background-color: var(--light-bg);
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
            margin: 0 5px;
        }
        .star:hover, .star.active {
            color: var(--accent-color);
        }
        .comment-form {
            background-color: var(--light-bg);
            padding: 20px;
            border-radius: 8px;
            margin: 30px 0;
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
        }
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: var(--white);
            border: none;
            padding: 12px 25px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #1a252f;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin: 30px 0;
        }
        .web-link {
            background-color: var(--light-bg);
            padding: 15px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #e9ecef;
            transform: translateY(-3px);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: bold;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background-color: var(--primary-color);
            color: var(--white);
            padding: 30px 0;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
            opacity: 0.8;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 15px;
            }
            .search-form {
                max-width: 100%;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 15px;
                right: 20px;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
            article h1 {
                font-size: 2rem;
            }
            article h2 {
                font-size: 1.5rem;
            }
            article h3 {
                font-size: 1.2rem;
            }
            main {
                padding: 20px;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            article h1 {
                font-size: 1.8rem;
            }
            .stars {
                flex-wrap: wrap;
            }
            .star {
                font-size: 1.5rem;
            }
        }