* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #E53935;
            --primary-dark: #B71C1C;
            --secondary: #1A237E;
            --accent: #FF9800;
            --light: #F5F5F5;
            --dark: #212121;
            --gray: #757575;
            --light-gray: #EEEEEE;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--dark) 100%);
            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 {
            font-size: 2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(to right, var(--accent), #FFEB3B);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .breadcrumb {
            background-color: var(--light-gray);
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 0.5rem;
            color: var(--gray);
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--accent);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: var(--transition);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: var(--transition);
        }
        .search-container {
            background-color: var(--light);
            padding: 2rem 0;
            border-bottom: 1px solid var(--light-gray);
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 1rem 1.5rem;
            padding-right: 3.5rem;
            border: 2px solid var(--secondary);
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-box input:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.2);
        }
        .search-box button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--secondary);
            color: white;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--primary);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        .article-content {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            color: var(--secondary);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-gray);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary-dark);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--dark);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--secondary);
            background-color: rgba(26, 35, 126, 0.05);
            padding: 1.5rem;
            border-left: 4px solid var(--accent);
            border-radius: 0 5px 5px 0;
            margin: 2rem 0;
        }
        .highlight {
            background-color: #FFF9C4;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }
        .interactive-section {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            border-left: 5px solid var(--accent);
        }
        .rating-system, .comment-form {
            margin: 2rem 0;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #FFC107;
        }
        .rating-result {
            font-weight: bold;
            color: var(--secondary);
            margin-left: 1rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--secondary);
            box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: var(--secondary);
            color: white;
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn:hover {
            background: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .btn-accent {
            background: var(--accent);
        }
        .btn-accent:hover {
            background: #F57C00;
        }
        .site-footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2.5rem;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            padding: 0.8rem 1rem;
            border-radius: 5px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .web-link a {
            color: #BBDEFB;
            text-decoration: none;
            font-size: 0.95rem;
        }
        .web-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.9rem;
            color: #BDBDBD;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                flex-direction: column;
                background: var(--secondary);
                width: 100%;
                text-align: center;
                padding: 2rem 0;
                gap: 0;
                transition: 0.5s;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links li {
                margin: 0.8rem 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .article-content {
                padding: 1.5rem;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
            .interactive-section {
                padding: 1.5rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .main-content, .search-container, .interactive-section {
            animation: fadeInUp 0.6s ease forwards;
        }
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }