:root {
            --primary-color: #cc0000;
            --secondary-color: #333333;
            --accent-color: #ff9900;
            --light-color: #f5f5f5;
            --dark-color: #1a1a1a;
            --text-color: #e0e0e0;
            --text-dark: #222;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            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: var(--text-color);
            background-color: var(--dark-color);
            background-image: linear-gradient(to bottom, #0a0a0a, #1a1a1a);
            overflow-x: hidden;
        }
        .site-header {
            background-color: rgba(26, 26, 26, 0.95);
            border-bottom: 3px solid var(--primary-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            color: var(--primary-color);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            padding: var(--spacing-sm) 0;
            text-shadow: 0 0 10px rgba(204, 0, 0, 0.5);
            transition: var(--transition);
        }
        .logo:hover {
            color: #ff3333;
            text-shadow: 0 0 15px rgba(255, 51, 51, 0.7);
        }
        .logo span {
            color: var(--accent-color);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .main-nav a {
            color: var(--light-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--border-radius);
            transition: var(--transition);
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-color);
            background-color: rgba(255, 153, 0, 0.1);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: var(--transition);
            transform: translateX(-50%);
        }
        .main-nav a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light-color);
            font-size: 1.8rem;
            cursor: pointer;
            padding: var(--spacing-xs);
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            padding: 0.5rem 1rem;
            margin-left: var(--spacing-md);
        }
        .search-box input {
            background: transparent;
            border: none;
            color: var(--light-color);
            padding: 0.5rem;
            width: 200px;
            outline: none;
        }
        .search-box button {
            background: none;
            border: none;
            color: var(--accent-color);
            cursor: pointer;
            font-size: 1.2rem;
        }
        .breadcrumb {
            background-color: rgba(51, 51, 51, 0.8);
            padding: var(--spacing-sm) var(--spacing-md);
            font-size: 0.9rem;
            border-bottom: 1px solid #444;
        }
        .breadcrumb a {
            color: var(--accent-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #aaa;
            margin: 0 0.5rem;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: var(--spacing-md);
        }
        article {
            background: rgba(30, 30, 30, 0.8);
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border-left: 5px solid var(--primary-color);
        }
        h1 {
            color: var(--primary-color);
            font-size: 3rem;
            margin-bottom: var(--spacing-sm);
            text-align: center;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
            line-height: 1.2;
        }
        h2 {
            color: var(--accent-color);
            font-size: 2.2rem;
            margin: var(--spacing-lg) 0 var(--spacing-sm);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid rgba(255, 153, 0, 0.3);
        }
        h3 {
            color: #ffcc00;
            font-size: 1.8rem;
            margin: var(--spacing-md) 0 var(--spacing-xs);
        }
        p {
            margin-bottom: var(--spacing-md);
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: var(--spacing-md);
            color: #aaa;
            margin-bottom: var(--spacing-lg);
            font-style: italic;
        }
        .featured-image {
            text-align: center;
            margin: var(--spacing-lg) 0;
        }
        .featured-image img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            border: 5px solid var(--secondary-color);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.7);
            transition: var(--transition);
        }
        .featured-image img:hover {
            transform: scale(1.01);
            box-shadow: 0 10px 25px rgba(204, 0, 0, 0.4);
        }
        .image-caption {
            color: #bbb;
            font-style: italic;
            margin-top: var(--spacing-xs);
            font-size: 0.95rem;
        }
        .highlight {
            background-color: rgba(255, 153, 0, 0.1);
            border-left: 4px solid var(--accent-color);
            padding: var(--spacing-md);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight p:last-child {
            margin-bottom: 0;
        }
        blockquote {
            font-size: 1.3rem;
            color: #ffcc00;
            border-left: 5px solid var(--primary-color);
            padding-left: var(--spacing-md);
            margin: var(--spacing-lg) 0;
            font-style: italic;
        }
        .key-points {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-md);
            margin: var(--spacing-lg) 0;
        }
        .point-card {
            background: rgba(51, 51, 51, 0.7);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            border-top: 4px solid var(--primary-color);
            transition: var(--transition);
        }
        .point-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        }
        .point-card i {
            color: var(--accent-color);
            font-size: 2rem;
            margin-bottom: var(--spacing-sm);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: var(--spacing-lg) 0;
            background: rgba(40, 40, 40, 0.8);
        }
        .comparison-table th,
        .comparison-table td {
            border: 1px solid #555;
            padding: var(--spacing-sm);
            text-align: left;
        }
        .comparison-table th {
            background-color: var(--primary-color);
            color: white;
            font-weight: bold;
        }
        .comparison-table tr:nth-child(even) {
            background-color: rgba(60, 60, 60, 0.8);
        }
        .comparison-table tr:hover {
            background-color: rgba(255, 153, 0, 0.1);
        }
        .user-interaction {
            background: rgba(40, 40, 40, 0.9);
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            margin: var(--spacing-lg) 0;
            border: 1px solid #444;
        }
        .interaction-title {
            color: var(--accent-color);
            font-size: 1.8rem;
            margin-bottom: var(--spacing-md);
            text-align: center;
        }
        .rating-system {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: var(--spacing-lg);
        }
        .stars {
            font-size: 2.5rem;
            margin-bottom: var(--spacing-sm);
            cursor: pointer;
        }
        .stars i {
            color: #555;
            margin: 0 0.2rem;
            transition: var(--transition);
        }
        .stars i:hover,
        .stars i.active {
            color: #ffcc00;
            text-shadow: 0 0 10px rgba(255, 204, 0, 0.7);
        }
        .rating-form,
        .comment-form {
            display: grid;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            margin-bottom: 0.5rem;
            color: var(--accent-color);
            font-weight: bold;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 0.8rem;
            border-radius: var(--border-radius);
            border: 1px solid #555;
            background: rgba(30, 30, 30, 0.9);
            color: var(--text-color);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 2px rgba(255, 153, 0, 0.2);
        }
        .submit-btn {
            background: linear-gradient(to right, var(--primary-color), #ff3300);
            color: white;
            border: none;
            padding: 1rem var(--spacing-md);
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: var(--spacing-sm);
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #ff3300, var(--primary-color));
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(204, 0, 0, 0.4);
        }
        .submit-btn:active {
            transform: translateY(-1px);
        }
        .comments-section {
            margin-top: var(--spacing-lg);
        }
        .comment {
            background: rgba(50, 50, 50, 0.7);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-md);
            border-left: 4px solid var(--primary-color);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: var(--spacing-xs);
            color: #aaa;
            font-size: 0.9rem;
        }
        .comment-author {
            color: var(--accent-color);
            font-weight: bold;
        }
        .web-links-container {
            background: rgba(30, 30, 30, 0.9);
            padding: var(--spacing-lg);
            margin-top: var(--spacing-lg);
            border-top: 3px solid var(--primary-color);
            border-bottom: 3px solid var(--primary-color);
        }
        .web-links-title {
            color: var(--accent-color);
            font-size: 1.8rem;
            text-align: center;
            margin-bottom: var(--spacing-md);
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: var(--spacing-md);
        }
        .web-link {
            background: rgba(60, 60, 60, 0.7);
            padding: var(--spacing-sm);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(80, 80, 80, 0.7);
            transform: translateX(5px);
        }
        .web-link a {
            color: var(--text-color);
            text-decoration: none;
            font-size: 1.1rem;
            display: block;
            padding: 0.5rem;
        }
        .web-link a:hover {
            color: var(--accent-color);
        }
        .web-link a::before {
            content: "▶";
            color: var(--primary-color);
            margin-right: 0.5rem;
            font-size: 0.8rem;
        }
        .site-footer {
            background-color: var(--secondary-color);
            padding: var(--spacing-lg);
            text-align: center;
            color: #aaa;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .copyright {
            font-size: 0.9rem;
            border-top: 1px solid #444;
            padding-top: var(--spacing-md);
            margin-top: var(--spacing-md);
        }
        @media (max-width: 1024px) {
            .header-container {
                padding: 0 var(--spacing-sm);
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(26, 26, 26, 0.98);
                padding: var(--spacing-md);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                z-index: 999;
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
                top: calc(100% - 1px);
            }
            .main-nav ul {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
            .search-box {
                margin-left: 0;
                margin-top: var(--spacing-sm);
                width: 100%;
                order: 3;
            }
            .search-box input {
                width: 100%;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .key-points {
                grid-template-columns: 1fr;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article {
                padding: var(--spacing-md);
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: var(--spacing-sm);
            }
            .article-meta {
                flex-direction: column;
                gap: var(--spacing-xs);
                text-align: center;
            }
            .stars {
                font-size: 2rem;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .text-bold {
            font-weight: bold;
            color: var(--accent-color);
        }
        .text-italic {
            font-style: italic;
            color: #ccc;
        }
        .text-underline {
            text-decoration: underline;
            text-decoration-color: var(--primary-color);
        }
        .divider {
            height: 2px;
            background: linear-gradient(to right, transparent, var(--primary-color), transparent);
            margin: var(--spacing-lg) 0;
        }
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary-color);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
            box-shadow: 0 5px 15px rgba(204, 0, 0, 0.4);
        }
        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }
        .back-to-top:hover {
            background: #ff3333;
            transform: translateY(-5px);
        }