:root {
            --primary-color: #dc2626; 
            --secondary-color: #1e40af; 
            --accent-color: #f59e0b; 
            --dark-bg: #0f172a; 
            --light-bg: #f8fafc; 
            --text-dark: #1e293b;
            --text-light: #f1f5f9;
            --gray-border: #cbd5e1;
            --spacing-unit: 1rem;
            --border-radius: 8px;
            --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--light-bg);
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-unit);
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-light);
            text-decoration: none;
        }
        .logo span {
            color: var(--primary-color);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            font-weight: 600;
            padding: 0.5rem 0;
        }
        .main-nav a:hover {
            color: var(--accent-color);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e2e8f0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 0.5rem;
            color: #64748b;
        }
        .breadcrumb a {
            color: var(--secondary-color);
        }
        .search-container {
            padding: 2rem 0 1rem;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 50px;
            overflow: hidden;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #b91c1c;
        }
        .main-content {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 2px solid var(--gray-border);
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark-bg);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: #64748b;
            font-size: 0.95rem;
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-color);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px dashed var(--gray-border);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--dark-bg);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #475569;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        strong {
            color: var(--dark-bg);
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(to right, #fef3c7, #fde68a);
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .inline-image {
            float: right;
            margin: 0 0 1.5rem 2rem;
            max-width: 400px;
            box-shadow: var(--shadow);
        }
        .inline-image figcaption {
            font-size: 0.9rem;
            color: #64748b;
            text-align: center;
            margin-top: 0.5rem;
            font-style: italic;
        }
        aside {
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            background: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: var(--primary-color);
            margin-top: 0;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--gray-border);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #d1d5db;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: var(--accent-color);
        }
        .rating-form input, .rating-form textarea, .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid var(--gray-border);
            border-radius: var(--border-radius);
        }
        .rating-form button, .comment-form button {
            width: 100%;
            padding: 0.9rem;
            background-color: var(--secondary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover, .comment-form button:hover {
            background-color: #1e3a8a;
        }
        .comments-section {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid var(--gray-border);
        }
        .comment {
            padding: 1.5rem;
            background: #f8fafc;
            border-radius: var(--border-radius);
            margin-bottom: 1.5rem;
            border-left: 3px solid var(--secondary-color);
        }
        .comment-author {
            font-weight: bold;
            color: var(--dark-bg);
        }
        .comment-date {
            color: #94a3b8;
            font-size: 0.85rem;
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: var(--accent-color);
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #cbd5e1;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            font-style: italic;
            padding: 0.5rem 0;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--dark-bg);
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .inline-image {
                float: none;
                margin: 1.5rem auto;
                max-width: 100%;
            }
            .article-header, article {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .search-form {
                flex-direction: column;
                border-radius: var(--border-radius);
            }
            .search-input, .search-button {
                width: 100%;
                border-radius: 0;
                padding: 1rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }