* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #2c3e50;
            --secondary: #16a085;
            --accent: #e74c3c;
            --light: #ecf0f1;
            --dark: #2c3e50;
            --gray: #7f8c8d;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            color: #333;
            background-color: #f9f9f9;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--secondary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--accent);
            margin-right: 10px;
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
        }
        .nav-desktop ul li {
            margin-left: 2rem;
        }
        .nav-desktop a {
            color: var(--light);
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .nav-desktop a:hover {
            border-color: var(--accent);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary);
            flex-direction: column;
            padding: 1rem 0;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile ul {
            list-style: none;
            width: 100%;
        }
        .nav-mobile ul li {
            text-align: center;
            padding: 0.8rem 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .nav-mobile a {
            color: white;
            font-weight: 600;
            display: block;
            width: 100%;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        main {
            padding: 2rem 0;
            min-height: 80vh;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light);
        }
        h3 {
            color: var(--dark);
            font-size: 1.5rem;
            margin: 1.8rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary);
            background-color: #e8f4f1;
            padding: 1rem;
            border-left: 4px solid var(--secondary);
            border-radius: 4px;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #f1c40f;
            margin: 2rem 0;
        }
        .term {
            font-weight: bold;
            color: var(--secondary);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .featured-image {
            width: 100%;
            margin: 2rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        figcaption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            padding: 0.5rem;
            font-size: 0.9rem;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light);
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #149174;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #f1c40f;
            margin: 0.5rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 2px;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-widget button {
            background-color: var(--accent);
            color: white;
            border: none;
            padding: 0.6rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            margin-top: 0.5rem;
            width: 100%;
            transition: var(--transition);
        }
        .rating-widget button:hover {
            background-color: #c0392b;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            resize: vertical;
            min-height: 100px;
            margin-bottom: 0.8rem;
        }
        .comment-form button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #149174;
        }
        .internal-links {
            margin: 3rem 0 2rem;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background-color: white;
            padding: 1rem;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--primary);
            font-weight: 600;
        }
        footer {
            background-color: var(--primary);
            color: var(--light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--secondary);
            padding-bottom: 0.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #bdc3c7;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #95a5a6;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            article {
                padding: 1.5rem;
            }
            .footer-container {
                flex-direction: column;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            .lead {
                font-size: 1.1rem;
            }
            .internal-links {
                grid-template-columns: 1fr;
            }
        }