* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #f0f4f8 100%);
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: #d32f2f;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #9a0007;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(to right, #0a0a0a, #2d0a0a);
            color: #fff;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: #ff5252;
            text-shadow: 0 0 10px #ff0000;
            letter-spacing: 1px;
        }
        .logo span {
            color: #fff;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #eee;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background: #d32f2f;
            color: #fff;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #e8eaf6;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #d32f2f;
        }
        .breadcrumb span {
            color: #777;
            margin: 0 5px;
        }
        .hero {
            background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.9)), url('https://images.unsplash.com/photo-1639322537228-f710d846310a?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            text-align: center;
            padding: 4rem 2rem;
            border-bottom: 5px solid #d32f2f;
            margin-bottom: 2rem;
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 5px #000;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            color: #ddd;
        }
        .highlight {
            color: #ff9800;
            font-weight: bold;
        }
        .search-container {
            max-width: 600px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        .search-box {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        .search-box input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
        }
        .search-box button {
            background: #d32f2f;
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #9a0007;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        .article-content {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .sidebar {
            background: #f9f9f9;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        h1, h2, h3 {
            color: #2d0a0a;
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.5rem;
            border-bottom: 3px solid #d32f2f;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #d32f2f;
        }
        h3 {
            font-size: 1.5rem;
            color: #555;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #444;
            border-left: 5px solid #d32f2f;
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        .info-box {
            background: #e8f5e9;
            border-left: 5px solid #4caf50;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .warning-box {
            background: #fff3e0;
            border-left: 5px solid #ff9800;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .price-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .price-table th, .price-table td {
            border: 1px solid #ddd;
            padding: 1rem;
            text-align: left;
        }
        .price-table th {
            background: #2d0a0a;
            color: white;
            font-weight: bold;
        }
        .price-table tr:nth-child(even) {
            background: #f9f9f9;
        }
        .price-table tr:hover {
            background: #ffeaea;
        }
        .comparison-chart {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .chart-item {
            background: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 5px 10px rgba(0,0,0,0.08);
            text-align: center;
            border-top: 5px solid #d32f2f;
            transition: transform 0.3s;
        }
        .chart-item:hover {
            transform: translateY(-10px);
        }
        .chart-item h4 {
            color: #2d0a0a;
            margin-bottom: 1rem;
        }
        .chart-item .price {
            font-size: 2rem;
            font-weight: bold;
            color: #d32f2f;
        }
        .faq {
            margin: 3rem 0;
        }
        .faq-item {
            margin-bottom: 1rem;
            border: 1px solid #eee;
            border-radius: 8px;
            overflow: hidden;
        }
        .faq-question {
            background: #f5f5f5;
            padding: 1rem;
            font-weight: bold;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-answer {
            padding: 1rem;
            background: white;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget h3 {
            font-size: 1.3rem;
            border-bottom: 2px solid #d32f2f;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .related-links ul {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.5rem;
            position: relative;
        }
        .related-links li:before {
            content: '▶';
            color: #d32f2f;
            position: absolute;
            left: 0;
        }
        .ad-box {
            background: linear-gradient(135deg, #2d0a0a, #5d0a0a);
            color: white;
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
        }
        .user-interaction {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            margin: 3rem 0;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }
        .rating-widget {
            text-align: center;
            margin-bottom: 2rem;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars span {
            margin: 0 2px;
            transition: color 0.2s;
        }
        .stars span:hover,
        .stars span.active {
            color: #ff9800;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
        }
        .comment-form button {
            background: #d32f2f;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .comment-form button:hover {
            background: #9a0007;
        }
        .comments-list {
            margin-top: 2rem;
        }
        .comment {
            border-bottom: 1px solid #eee;
            padding: 1.5rem 0;
        }
        .comment:last-child {
            border-bottom: none;
        }
        .comment-author {
            font-weight: bold;
            color: #2d0a0a;
        }
        .comment-date {
            color: #777;
            font-size: 0.9rem;
        }
        .footer-links {
            background: #2d0a0a;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            transition: background 0.3s;
        }
        .web-link:hover {
            background: rgba(255,255,255,0.1);
        }
        .web-link a {
            color: #ffccbc;
            font-size: 1.1rem;
            display: block;
        }
        .footer-main {
            background: #0a0a0a;
            color: #aaa;
            padding: 3rem 0;
            text-align: center;
        }
        .footer-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .footer-nav ul {
            list-style: none;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 2rem 0;
        }
        .footer-nav a {
            color: #ccc;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #2d0a0a;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.5);
            }
            .main-nav ul.show {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .header-content {
                flex-wrap: wrap;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .comparison-chart {
                grid-template-columns: 1fr;
            }
            .footer-nav ul {
                flex-direction: column;
                gap: 1rem;
            }
        }