:root {
            --primary-color: #1a365d;
            --secondary-color: #e53e3e;
            --accent-color: #f6ad55;
            --text-color: #2d3748;
            --light-bg: #f7fafc;
            --dark-bg: #2d3748;
            --shadow: 0 4px 6px rgba(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: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #fff;
            direction: ltr;
            text-align: left;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, #2d3748 100%);
            color: white;
            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 {
            font-size: 1.8rem;
            font-weight: 700;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: var(--primary-color);
            padding: 1rem;
            transform: translateY(-100%);
            opacity: 0;
            transition: var(--transition);
            z-index: 999;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-nav a {
            display: block;
            color: white;
            text-decoration: none;
            padding: 0.8rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 500;
        }
        .mobile-nav a:hover {
            color: var(--accent-color);
            padding-left: 10px;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--secondary-color);
        }
        main {
            padding: 2rem 0;
        }
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 1.5rem;
        }
        .article-header h1 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            .article-header h1 {
                font-size: 2rem;
            }
        }
        .article-meta {
            display: flex;
            gap: 1.5rem;
            color: #718096;
            font-size: 0.9rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .content-section h2 {
            color: var(--primary-color);
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-bg);
            position: relative;
        }
        .content-section h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100px;
            height: 2px;
            background-color: var(--accent-color);
        }
        .content-section h3 {
            color: var(--secondary-color);
            font-size: 1.4rem;
            margin: 1.5rem 0 1rem;
        }
        .content-section p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight-box {
            background-color: var(--light-bg);
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 4px 4px 0;
        }
        .highlight-box p {
            margin-bottom: 0;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 8px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #718096;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .interactive-section {
            background-color: var(--light-bg);
            padding: 2rem;
            border-radius: 8px;
            margin: 3rem 0;
            box-shadow: var(--shadow);
        }
        .interactive-section h2 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .search-form {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 10px;
            margin-bottom: 2rem;
        }
        .search-form input {
            padding: 0.8rem 1rem;
            border: 2px solid #cbd5e0;
            border-radius: 4px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--accent-color);
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form button:hover {
            background-color: #2d3748;
            transform: translateY(-2px);
        }
        .comment-form {
            display: grid;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .comment-form input,
        .comment-form textarea {
            padding: 0.8rem;
            border: 2px solid #cbd5e0;
            border-radius: 4px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form input:focus,
        .comment-form textarea:focus {
            outline: none;
            border-color: var(--accent-color);
        }
        .comment-form textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            justify-self: start;
        }
        .comment-form button:hover {
            background-color: #c53030;
            transform: translateY(-2px);
        }
        .rating-system {
            text-align: center;
            padding: 1.5rem;
            background-color: white;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        .rating-title {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .star {
            font-size: 2rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
            transform: scale(1.2);
        }
        .rating-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: #2d3748;
            transform: translateY(-2px);
        }
        .footer-links {
            background-color: var(--light-bg);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background-color: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            display: block;
            line-height: 1.5;
        }
        .web-link a:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 3rem 0 2rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--accent-color);
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-section a {
            color: #cbd5e0;
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        .footer-section a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        .text-bold {
            font-weight: 700;
            color: var(--primary-color);
        }
        .text-highlight {
            background-color: rgba(246, 173, 85, 0.2);
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 0.2rem;
        }
        .divider {
            height: 1px;
            background-color: #e2e8f0;
            margin: 2rem 0;
        }
        @media print {
            .interactive-section,
            .footer-links,
            .mobile-nav,
            .hamburger,
            .search-form,
            .comment-form,
            .rating-system {
                display: none !important;
            }
            body {
                font-size: 12pt;
                line-height: 1.5;
            }
            .container {
                width: 100%;
                max-width: none;
                padding: 0;
            }
        }