* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #2C3E50;
            --secondary-color: #E74C3C;
            --accent-color: #F39C12;
            --light-color: #ECF0F1;
            --dark-color: #1A252F;
            --text-color: #333333;
            --text-light: #7F8C8D;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --container-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #f9f9f9;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }
        h1 {
            font-size: 2.5rem;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-color);
            margin-top: 2rem;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 1rem;
        }
        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--accent-color);
        }
        .bold {
            font-weight: 700;
        }
        .highlight {
            background-color: #FFF9E6;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--accent-color);
            margin-right: 0.5rem;
        }
        .logo span {
            color: var(--accent-color);
        }
        .breadcrumb {
            background-color: #34495E;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--light-color);
        }
        .breadcrumb a {
            color: var(--light-color);
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 1.5rem;
        }
        .nav-links a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--accent-color);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .search-container {
            background-color: var(--light-color);
            padding: 2rem 0;
            margin-bottom: 2rem;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            box-shadow: var(--shadow);
            border-radius: var(--border-radius);
            overflow: hidden;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: none;
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #C0392B;
        }
        main {
            padding: 2rem 0;
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .interactive-section {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .rating-section, .comment-section {
            margin-bottom: 2rem;
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 1rem;
            margin-top: 1rem;
        }
        .stars {
            display: flex;
            direction: rtl;
            justify-content: flex-end;
        }
        .stars input {
            display: none;
        }
        .stars label {
            color: #ddd;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: var(--accent-color);
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(243, 156, 18, 0.2);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            justify-self: start;
        }
        .submit-button:hover {
            background-color: #C0392B;
            transform: translateY(-2px);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 0.5rem;
            margin-bottom: 2rem;
        }
        .web-links-section {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .web-link {
            background-color: var(--light-color);
            padding: 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #E0E7E9;
            transform: translateY(-3px);
        }
        .web-link a {
            color: var(--primary-color);
            font-weight: 600;
            display: block;
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent-color);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #BDC3C7;
        }
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #34495E;
            color: #95A5A6;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.4rem; }
            .article-content {
                padding: 2rem;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .logo {
                margin-bottom: 1rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 1rem;
            }
            nav {
                width: 100%;
                display: none;
            }
            .nav-active {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
            }
            .nav-links li {
                margin: 0;
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 0.8rem 0;
                border-bottom: 1px solid #34495E;
            }
            .nav-links a::after {
                display: none;
            }
            .article-content {
                padding: 1.5rem;
            }
            .web-links-container {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            h3 { font-size: 1.3rem; }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: var(--border-radius) var(--border-radius) 0 0;
            }
            .search-button {
                border-radius: 0 0 var(--border-radius) var(--border-radius);
                padding: 0.8rem;
            }
            .interactive-section {
                padding: 1.5rem;
            }
        }