* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1a365d;
            --secondary-color: #e53e3e;
            --accent-color: #f6ad55;
            --text-color: #2d3748;
            --light-bg: #f7fafc;
            --white: #ffffff;
            --shadow: 0 4px 6px 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);
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #2d3748);
            color: var(--white);
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            text-decoration: none;
            color: var(--white);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .logo:hover {
            color: var(--accent-color);
            transition: var(--transition);
        }
        .logo i {
            color: var(--accent-color);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: var(--white);
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent-color);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--white);
            padding: 1rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .breadcrumb-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        main {
            background: var(--white);
            padding: 2rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .search-form {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            text-align: center;
        }
        .search-form input {
            width: 70%;
            padding: 0.75rem;
            border: 2px solid #e2e8f0;
            border-radius: 4px;
            margin-right: 0.5rem;
        }
        .search-form button {
            padding: 0.75rem 1.5rem;
            background: var(--primary-color);
            color: var(--white);
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--secondary-color);
        }
        article h1 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        article h2 {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        article h3 {
            color: var(--secondary-color);
            font-size: 1.4rem;
            margin: 1.5rem 0 1rem;
        }
        article p {
            margin-bottom: 1rem;
            text-align: justify;
        }
        article strong {
            color: var(--primary-color);
        }
        .highlight {
            background: linear-gradient(120deg, var(--accent-color) 0%, var(--accent-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.4em;
            background-position: 0 88%;
            font-weight: bold;
        }
        .feature-box {
            background: var(--light-bg);
            padding: 1.5rem;
            border-left: 4px solid var(--accent-color);
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .requirements-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .requirements-table th,
        .requirements-table td {
            padding: 1rem;
            text-align: left;
            border: 1px solid #e2e8f0;
        }
        .requirements-table th {
            background: var(--primary-color);
            color: var(--white);
            font-weight: bold;
        }
        .requirements-table tr:nth-child(even) {
            background: var(--light-bg);
        }
        .requirements-table tr:hover {
            background: #edf2f7;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .image-caption {
            font-style: italic;
            color: #718096;
            margin-top: 0.5rem;
        }
        .rating-system {
            background: var(--light-bg);
            padding: 2rem;
            border-radius: 8px;
            margin: 2rem 0;
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #e2e8f0;
            margin: 1rem 0;
        }
        .stars .active {
            color: var(--accent-color);
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-section {
            margin: 3rem 0;
        }
        .comment-form {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 0.75rem;
            margin-bottom: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 4px;
            font-family: inherit;
        }
        .comment-form button {
            padding: 0.75rem 2rem;
            background: var(--primary-color);
            color: var(--white);
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background: var(--secondary-color);
        }
        .comments-list {
            margin-top: 2rem;
        }
        .comment {
            background: var(--white);
            padding: 1.5rem;
            margin-bottom: 1rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--primary-color);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
            color: #718096;
        }
        aside {
            background: var(--white);
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .sidebar-list {
            list-style: none;
        }
        .sidebar-list li {
            margin-bottom: 0.75rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid #e2e8f0;
        }
        .sidebar-list a {
            color: var(--text-color);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar-list a:hover {
            color: var(--secondary-color);
            transform: translateX(5px);
        }
        .web-links {
            background: var(--white);
            padding: 2rem 0;
            margin-top: 3rem;
        }
        .web-links-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background: var(--light-bg);
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }
        .web-link a:hover {
            color: var(--secondary-color);
        }
        footer {
            background: var(--primary-color);
            color: var(--white);
            padding: 2rem 0;
            text-align: center;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .copyright {
            margin-top: 1rem;
            color: #cbd5e0;
        }
        @media (max-width: 768px) {
            .container {
                grid-template-columns: 1fr;
            }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary-color);
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            nav ul.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .search-form input {
                width: 60%;
            }
            article h1 {
                font-size: 2rem;
            }
            .requirements-table {
                font-size: 0.9rem;
            }
            .requirements-table th,
            .requirements-table td {
                padding: 0.5rem;
            }
        }
        @media (max-width: 480px) {
            .search-form input {
                width: 100%;
                margin-bottom: 1rem;
                margin-right: 0;
            }
            .search-form button {
                width: 100%;
            }
            .stars {
                font-size: 1.5rem;
            }
        }