* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #e74c3c;
            --primary-dark: #c0392b;
            --secondary: #2c3e50;
            --accent: #f39c12;
            --light: #ecf0f1;
            --dark: #1a1a1a;
            --gray: #95a5a6;
            --success: #27ae60;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--dark);
            background-color: #f9f9f9;
            overflow-x: hidden;
        }
        .site-header {
            background-color: var(--secondary);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--primary);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: var(--radius);
        }
        .desktop-nav a:hover {
            background-color: var(--primary);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background-color: var(--secondary);
            position: absolute;
            top: 80px;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            font-size: 1.2rem;
            display: block;
            padding: 10px;
            border-radius: var(--radius);
        }
        .mobile-nav a:hover {
            background-color: var(--primary);
        }
        .breadcrumb {
            max-width: 1400px;
            margin: 20px auto;
            padding: 0 20px;
            font-size: 0.95rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px 40px;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .content-area {
            background-color: white;
            border-radius: var(--radius);
            padding: 40px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .widget {
            background-color: white;
            border-radius: var(--radius);
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            color: var(--secondary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary);
        }
        .search-box {
            display: flex;
            margin-top: 10px;
        }
        .search-box input {
            flex: 1;
            padding: 14px;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--primary-dark);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent);
        }
        .rating-form input,
        .rating-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
        }
        .rating-form button {
            width: 100%;
            padding: 14px;
            background-color: var(--success);
            color: white;
            border: none;
            border-radius: var(--radius);
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: #219653;
        }
        article {
            line-height: 1.9;
        }
        article h1 {
            color: var(--secondary);
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.3;
        }
        article h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        article h3 {
            color: var(--primary-dark);
            font-size: 1.6rem;
            margin: 30px 0 15px;
        }
        article p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        article strong {
            color: var(--primary);
            font-weight: 700;
        }
        .highlight-box {
            background-color: #fff9e6;
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .controls-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: var(--shadow);
            border-radius: var(--radius);
            overflow: hidden;
        }
        .controls-table th,
        .controls-table td {
            padding: 18px 15px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        .controls-table th {
            background-color: var(--secondary);
            color: white;
            font-weight: 600;
        }
        .controls-table tr:nth-child(even) {
            background-color: #f8f9fa;
        }
        .controls-table tr:hover {
            background-color: #e8f4fc;
        }
        .key {
            display: inline-block;
            background-color: var(--dark);
            color: white;
            padding: 5px 12px;
            border-radius: 5px;
            font-family: monospace;
            margin: 2px;
            min-width: 40px;
            text-align: center;
            box-shadow: 0 2px 0 #000;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .comments-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px solid #eee;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
            margin-bottom: 15px;
            min-height: 120px;
        }
        .comment-form .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .comment-form input {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: var(--radius);
        }
        .comment-form button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: var(--radius);
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: var(--primary-dark);
        }
        .long-tail-links {
            max-width: 1400px;
            margin: 40px auto 20px;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .web-link {
            background-color: white;
            padding: 18px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .web-link a {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .web-link a:hover {
            color: var(--primary);
        }
        .web-link i {
            color: var(--primary);
        }
        footer {
            background-color: var(--secondary);
            color: white;
            padding: 50px 20px 20px;
            margin-top: 60px;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 20px;
        }
        .footer-logo span {
            color: var(--primary);
        }
        .footer-col h4 {
            font-size: 1.3rem;
            margin-bottom: 25px;
            color: var(--accent);
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 12px;
        }
        .footer-col a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            article h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                height: 70px;
            }
            .content-area {
                padding: 25px;
            }
            article h1 {
                font-size: 2rem;
            }
            article h2 {
                font-size: 1.7rem;
            }
            .comment-form .form-row {
                grid-template-columns: 1fr;
            }
            .footer-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 480px) {
            .controls-table {
                font-size: 0.9rem;
            }
            .key {
                min-width: 35px;
                padding: 4px 8px;
            }
            .long-tail-links {
                grid-template-columns: 1fr;
            }
        }