:root {
            --primary: #5E35B1;
            --primary-dark: #4527A0;
            --secondary: #FF9800;
            --accent: #00BCD4;
            --light: #F5F5F5;
            --dark: #212121;
            --gray: #757575;
            --gray-light: #EEEEEE;
            --success: #4CAF50;
            --warning: #FFC107;
            --danger: #F44336;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --radius: 12px;
            --transition: all 0.3s ease;
            --container-max: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
        }
        .logo-icon {
            color: var(--secondary);
            font-size: 2rem;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 50px;
            transition: var(--transition);
            position: relative;
        }
        .nav-desktop a:hover, .nav-desktop a.active {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--secondary);
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 70%;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) {
            .mobile-toggle {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            width: 100%;
            flex-direction: column;
            background-color: var(--primary-dark);
            margin-top: 1rem;
            border-radius: var(--radius);
            overflow: hidden;
            max-height: 0;
            transition: max-height 0.5s ease-out;
        }
        .nav-mobile.active {
            display: flex;
            max-height: 500px;
            padding: 1rem 0;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 1rem 2rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: var(--transition);
        }
        .nav-mobile a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            padding-left: 2.5rem;
        }
        .breadcrumb {
            background-color: var(--gray-light);
            padding: 1rem 2rem;
            font-size: 0.9rem;
        }
        .breadcrumb-container {
            max-width: var(--container-max);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: var(--gray);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--gray);
        }
        .main-container {
            max-width: var(--container-max);
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        .article-content {
            background: white;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .article-header {
            padding: 2.5rem 2.5rem 1.5rem;
            border-bottom: 3px solid var(--gray-light);
        }
        .article-header h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--dark);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: var(--gray);
            font-size: 0.9rem;
            margin-top: 1.5rem;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-body {
            padding: 2.5rem;
        }
        .article-body h2 {
            font-size: 2rem;
            margin: 2.5rem 0 1rem;
            color: var(--primary-dark);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--gray-light);
        }
        .article-body h3 {
            font-size: 1.5rem;
            margin: 2rem 0 1rem;
            color: var(--primary);
        }
        .article-body p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-body strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .article-body em {
            color: var(--gray);
        }
        .highlight-box {
            background: linear-gradient(to right, rgba(94, 53, 177, 0.05), rgba(255, 152, 0, 0.05));
            border-left: 4px solid var(--secondary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        .img-caption {
            margin-top: 0.8rem;
            font-style: italic;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .comparison-table th {
            background-color: var(--primary);
            color: white;
            padding: 1rem;
            text-align: left;
        }
        .comparison-table td {
            padding: 1rem;
            border-bottom: 1px solid var(--gray-light);
        }
        .comparison-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .comparison-table tr:hover {
            background-color: rgba(94, 53, 177, 0.05);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            color: var(--primary-dark);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--gray-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid var(--gray-light);
            border-right: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .search-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }
        .search-btn:hover {
            background-color: var(--primary-dark);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
            font-size: 2rem;
            color: var(--gray-light);
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: var(--warning);
            transform: scale(1.2);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-input {
            padding: 0.8rem;
            border: 2px solid var(--gray-light);
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .rating-input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .submit-btn {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #F57C00;
            transform: translateY(-2px);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .comment-input, .comment-textarea {
            padding: 0.8rem;
            border: 2px solid var(--gray-light);
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
            font-family: inherit;
        }
        .comment-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .comment-input:focus, .comment-textarea:focus {
            outline: none;
            border-color: var(--primary);
        }
        .footer-links {
            background-color: var(--dark);
            padding: 3rem 2rem;
            margin-top: 3rem;
        }
        .links-container {
            max-width: var(--container-max);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            padding: 1.2rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: var(--light);
            text-decoration: none;
            font-weight: 500;
            display: block;
            line-height: 1.6;
        }
        .web-link a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .site-footer {
            background-color: #1a1a1a;
            color: var(--light);
            padding: 2rem;
            text-align: center;
        }
        .footer-container {
            max-width: var(--container-max);
            margin: 0 auto;
        }
        .copyright {
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: var(--gray);
        }
        .emoji {
            font-size: 1.2em;
            vertical-align: middle;
        }
        .divider {
            height: 1px;
            background: linear-gradient(to right, transparent, var(--gray-light), transparent);
            margin: 2rem 0;
        }
        .tag {
            display: inline-block;
            background-color: var(--gray-light);
            color: var(--dark);
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            font-size: 0.8rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .float-right {
            float: right;
            margin: 0 0 1rem 2rem;
            max-width: 300px;
        }
        @media (max-width: 768px) {
            .float-right {
                float: none;
                margin: 1rem auto;
                display: block;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .header-container, .breadcrumb, .main-container, .footer-links {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }