:root {
            --primary: #4a6fa5;
            --secondary: #ff9f1c;
            --accent: #2ec4b6;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f5f7fa;
            direction: ltr;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        .search-form {
            display: flex;
            width: 100%;
            max-width: 400px;
        }
        .search-input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #e0e0e0;
            border-radius: 50px 0 0 50px;
            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 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #3a5a8a;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            cursor: pointer;
        }
        .main-nav {
            display: flex;
            justify-content: center;
            gap: 2rem;
            padding: 1rem 0;
            border-top: 1px solid #eee;
        }
        .nav-link {
            color: var(--dark);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
            background-color: rgba(74, 111, 165, 0.1);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background-color: var(--primary);
            transition: var(--transition);
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 80%;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--gray);
            background-color: #f8f9fa;
            border-bottom: 1px solid #eee;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article {
            background-color: white;
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 1.5rem;
        }
        .article-title {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .article-meta {
            display: flex;
            gap: 1.5rem;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .article-meta i {
            margin-right: 5px;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 2rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #e0e0e0;
        }
        h3 {
            font-size: 1.4rem;
            color: var(--dark);
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(255, 159, 28, 0.15);
            padding: 1.5rem;
            border-left: 4px solid var(--secondary);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 1.5rem 0;
        }
        .solution-box {
            background-color: #e8f4f8;
            border: 2px solid var(--accent);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .solution-step {
            display: flex;
            align-items: flex-start;
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #ccc;
        }
        .solution-step:last-child {
            border-bottom: none;
        }
        .step-number {
            background-color: var(--primary);
            color: white;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            flex-shrink: 0;
        }
        .game-image {
            width: 100%;
            max-width: 500px;
            height: auto;
            border-radius: var(--radius);
            margin: 1.5rem auto;
            display: block;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            transition: var(--transition);
        }
        .game-image:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }
        .tip-box {
            background-color: #fff9e6;
            border-radius: var(--radius);
            padding: 1.5rem;
            margin: 2rem 0;
            position: relative;
            border-left: 4px solid #ffcc00;
        }
        .tip-box::before {
            content: "💡";
            position: absolute;
            top: -15px;
            left: -15px;
            font-size: 2rem;
            background: white;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 3px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px solid #f0f0f0;
        }
        .related-links li:last-child {
            border-bottom: none;
        }
        .related-links a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
        }
        .related-links a:hover {
            color: var(--primary);
            transform: translateX(5px);
        }
        .related-links i {
            margin-right: 10px;
            color: var(--secondary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffcc00;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .interactive-section {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            border-radius: var(--radius);
            padding: 2rem;
            margin: 2.5rem 0;
            text-align: center;
        }
        .interactive-title {
            color: var(--primary);
            margin-bottom: 1.5rem;
        }
        .action-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            margin-top: 1.5rem;
        }
        .btn {
            padding: 12px 24px;
            border-radius: 50px;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: white;
        }
        .btn-primary:hover {
            background-color: #3a5a8a;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(58, 90, 138, 0.3);
        }
        .btn-secondary {
            background-color: var(--secondary);
            color: white;
        }
        .btn-secondary:hover {
            background-color: #e68a00;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(230, 138, 0, 0.3);
        }
        .comments-section, .rating-form {
            background-color: white;
            border-radius: var(--radius);
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e0e0e0;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--accent);
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #25a99a;
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(46, 196, 182, 0.3);
        }
        .internal-links {
            background-color: var(--dark);
            padding: 2.5rem 0;
            margin-top: 3rem;
        }
        .web-link {
            display: inline-block;
            margin: 0.5rem 1rem;
            padding: 0.8rem 1.5rem;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .web-link a {
            color: white;
            text-decoration: none;
        }
        .site-footer {
            background-color: #111;
            color: #aaa;
            padding: 2.5rem 0;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1.5rem;
            margin: 1rem 0;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        .copyright {
            font-size: 0.9rem;
            color: #888;
            margin-top: 1rem;
            padding-top: 1rem;
            border-top: 1px solid #333;
            width: 100%;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                margin-top: 1rem;
                max-width: 100%;
            }
            .nav-toggle {
                display: block;
            }
            .main-nav {
                flex-direction: column;
                gap: 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
                border-top: none;
            }
            .main-nav.active {
                max-height: 500px;
                padding: 1rem 0;
                border-top: 1px solid #eee;
            }
            .nav-link {
                display: block;
                padding: 0.8rem 0;
                border-radius: 0;
                border-bottom: 1px solid #f0f0f0;
            }
            .nav-link::after {
                display: none;
            }
            .article {
                padding: 1.5rem;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .action-buttons {
                flex-direction: column;
            }
            .btn {
                width: 100%;
            }
            .web-link {
                margin: 0.3rem 0.5rem;
                padding: 0.6rem 1rem;
                font-size: 0.9rem;
            }
        }
        @media print {
            .site-header, .sidebar, .interactive-section,
            .comments-section, .rating-form, .internal-links,
            .site-footer {
                display: none;
            }
            .article {
                box-shadow: none;
                padding: 0;
            }
            body {
                background-color: white;
                font-size: 12pt;
            }
        }