* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #c62828;
            --primary-dark: #8e0000;
            --secondary: #1a237e;
            --light: #f5f5f5;
            --dark: #212121;
            --gray: #757575;
            --light-gray: #e0e0e0;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --radius: 8px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #fff;
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: var(--transition);
        }
        .logo:hover {
            color: white;
            text-shadow: 0 0 8px var(--primary);
        }
        .logo span {
            color: white;
        }
        .desktop-nav ul {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            color: var(--primary);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .search-container {
            position: relative;
            width: 250px;
        }
        .search-container input {
            width: 100%;
            padding: 10px 40px 10px 15px;
            border: none;
            border-radius: 30px;
            background-color: rgba(255,255,255,0.1);
            color: white;
            outline: none;
        }
        .search-container input::placeholder {
            color: #aaa;
        }
        .search-container button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: #aaa;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-container button:hover {
            color: var(--primary);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #f8f8f8;
            padding: 12px 0;
            border-bottom: 1px solid var(--light-gray);
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            left: -100%;
            width: 280px;
            height: 100vh;
            background-color: var(--dark);
            z-index: 1100;
            padding: 30px 20px;
            transition: left 0.5s ease;
            overflow-y: auto;
            box-shadow: 5px 0 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            left: 0;
        }
        .mobile-nav .close-btn {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 1.8rem;
            color: white;
            cursor: pointer;
        }
        .mobile-nav ul {
            margin-top: 40px;
        }
        .mobile-nav li {
            margin-bottom: 20px;
        }
        .mobile-nav a {
            font-size: 1.2rem;
            color: #ddd;
            display: block;
            padding: 10px 0;
            border-bottom: 1px solid #333;
            transition: var(--transition);
        }
        .mobile-nav a:hover {
            color: var(--primary);
            padding-left: 10px;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            z-index: 1050;
        }
        .overlay.active {
            display: block;
        }
        main {
            padding: 40px 0;
            background-color: white;
        }
        article {
            max-width: 900px;
            margin: 0 auto;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.2;
            border-left: 6px solid var(--primary);
            padding-left: 20px;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--gray);
            margin-bottom: 30px;
            font-size: 0.95rem;
        }
        .article-meta i {
            margin-right: 5px;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-gray);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark);
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff8e1;
            border-left: 4px solid #ffc107;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .highlight strong {
            color: #e65100;
        }
        .tip-box {
            background-color: #e3f2fd;
            border-left: 4px solid var(--secondary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .tip-box i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .feature-img {
            width: 100%;
            margin: 30px 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .feature-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .feature-img img:hover {
            transform: scale(1.03);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .stat-card {
            background-color: var(--light);
            padding: 25px;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        .stat-card h4 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--secondary);
        }
        .rating-section {
            background-color: #f9f9f9;
            padding: 30px;
            border-radius: var(--radius);
            margin: 50px 0;
            text-align: center;
            border: 1px solid var(--light-gray);
        }
        .rating-section h3 {
            margin-top: 0;
        }
        .stars {
            font-size: 2.5rem;
            margin: 20px 0;
            color: #ffc107;
            cursor: pointer;
        }
        .stars i {
            margin: 0 5px;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: #ff9800;
            transform: scale(1.2);
        }
        #rating-value {
            font-size: 1.2rem;
            font-weight: bold;
            color: var(--primary);
            margin-left: 10px;
        }
        .comment-section {
            margin: 50px 0;
        }
        .comment-form,
        .comment-list {
            background-color: #f9f9f9;
            padding: 30px;
            border-radius: var(--radius);
            margin-bottom: 30px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--light-gray);
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.1);
        }
        .btn {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(198, 40, 40, 0.3);
        }
        .btn i {
            margin-right: 8px;
        }
        .comment-item {
            background-color: white;
            padding: 20px;
            border-radius: var(--radius);
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .comment-author {
            font-weight: bold;
            color: var(--secondary);
        }
        .footer-links {
            background-color: #f1f1f1;
            padding: 40px 0;
        }
        .web-link {
            display: inline-block;
            margin: 10px 15px 10px 0;
        }
        .web-link a {
            background-color: white;
            color: var(--secondary);
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            transition: var(--transition);
        }
        .web-link a:hover {
            background-color: var(--secondary);
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background-color: var(--dark);
            color: #ccc;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 15px;
        }
        .footer-about p {
            font-size: 1rem;
            margin-bottom: 20px;
        }
        .social-links {
            display: flex;
            gap: 15px;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: #333;
            border-radius: 50%;
            color: white;
            transition: var(--transition);
        }
        .social-links a:hover {
            background-color: var(--primary);
            transform: scale(1.1);
        }
        .footer-links-col h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-links-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 3px;
            background-color: var(--primary);
        }
        .footer-links-col ul li {
            margin-bottom: 12px;
        }
        .footer-links-col a {
            color: #aaa;
            transition: var(--transition);
        }
        .footer-links-col a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.4rem; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .search-container { width: 200px; }
        }
        @media (max-width: 768px) {
            .header-top { flex-wrap: wrap; gap: 15px; }
            .search-container { order: 3; width: 100%; margin-top: 15px; }
            h1 { font-size: 2rem; }
            .stats-grid { grid-template-columns: 1fr; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            h1 { font-size: 1.8rem; padding-left: 15px; }
            .article-meta { flex-direction: column; gap: 10px; }
            .rating-section { padding: 20px; }
            .stars { font-size: 2rem; }
            .comment-form, .comment-list { padding: 20px; }
        }