:root {
            --primary: #1a365d;
            --secondary: #e53e3e;
            --accent: #f6ad55;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #a0aec0;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 3rem;
            --spacing-xl: 4rem;
            --border-radius: 8px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --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(--dark);
            background-color: var(--light);
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }
        .site-header {
            background-color: var(--primary);
            color: white;
            padding: var(--spacing-sm) 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            color: var(--accent);
            font-size: 2rem;
        }
        .logo a:hover {
            color: var(--accent);
        }
        .desktop-nav ul {
            display: flex;
            gap: var(--spacing-lg);
            list-style: none;
        }
        .desktop-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: var(--primary);
            flex-direction: column;
            padding: var(--spacing-sm);
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }
        .mobile-nav a {
            display: block;
            padding: 0.75rem;
            border-radius: var(--border-radius);
            font-weight: 600;
        }
        .mobile-nav a:hover {
            background-color: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: var(--spacing-sm) 0;
            margin-bottom: var(--spacing-md);
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: var(--gray);
        }
        .search-section {
            background: linear-gradient(135deg, var(--primary), #2c5282);
            color: white;
            padding: var(--spacing-lg) 0;
            margin-bottom: var(--spacing-xl);
            border-radius: var(--border-radius);
            text-align: center;
        }
        .search-section h2 {
            margin-bottom: var(--spacing-md);
            font-size: 2rem;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 1rem 2rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-button:hover {
            background-color: #c53030;
        }
        .main-article {
            background-color: white;
            border-radius: var(--border-radius);
            padding: var(--spacing-xl);
            box-shadow: var(--shadow);
            margin-bottom: var(--spacing-xl);
        }
        .article-header {
            margin-bottom: var(--spacing-xl);
            border-bottom: 2px solid #e2e8f0;
            padding-bottom: var(--spacing-lg);
        }
        .article-title {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--primary);
            margin-bottom: var(--spacing-sm);
        }
        .article-meta {
            display: flex;
            gap: var(--spacing-md);
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: var(--spacing-md);
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-image {
            width: 100%;
            border-radius: var(--border-radius);
            overflow: hidden;
            margin: var(--spacing-lg) 0;
            box-shadow: var(--shadow);
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.02);
        }
        .article-image figcaption {
            padding: var(--spacing-sm);
            background-color: #f8f9fa;
            font-size: 0.9rem;
            color: var(--dark);
            text-align: center;
        }
        .content-section {
            margin-bottom: var(--spacing-xl);
        }
        .content-section h2 {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: var(--spacing-md);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .content-section h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin: var(--spacing-md) 0 var(--spacing-sm);
        }
        .content-section p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight-box {
            background-color: #fffaf0;
            border-left: 4px solid var(--accent);
            padding: var(--spacing-md);
            margin: var(--spacing-lg) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--spacing-md);
            margin: var(--spacing-lg) 0;
        }
        .stat-card {
            background-color: #f8f9fa;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            text-align: center;
            border-top: 4px solid var(--secondary);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
        }
        .quote {
            font-size: 1.2rem;
            font-style: italic;
            color: var(--primary);
            text-align: center;
            padding: var(--spacing-lg);
            background-color: #f0f9ff;
            border-radius: var(--border-radius);
            margin: var(--spacing-lg) 0;
            position: relative;
        }
        .quote::before, .quote::after {
            content: '"';
            font-size: 3rem;
            color: var(--accent);
            position: absolute;
        }
        .quote::before {
            top: 10px;
            left: 20px;
        }
        .quote::after {
            bottom: 10px;
            right: 20px;
        }
        .interactive-section {
            background-color: #f7fafc;
            border-radius: var(--border-radius);
            padding: var(--spacing-xl);
            margin: var(--spacing-xl) 0;
            border: 1px solid #e2e8f0;
        }
        .section-title {
            text-align: center;
            margin-bottom: var(--spacing-lg);
            color: var(--primary);
        }
        .rating-form, .comment-form {
            max-width: 800px;
            margin: 0 auto;
        }
        .form-group {
            margin-bottom: var(--spacing-md);
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--border-radius);
            font-family: inherit;
            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(26, 54, 93, 0.1);
        }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            direction: rtl;
            justify-content: center;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #f6ad55;
        }
        .submit-button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            display: block;
            margin: var(--spacing-md) auto;
            transition: var(--transition);
        }
        .submit-button:hover {
            background-color: #2c5282;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .footer-links {
            background-color: #2d3748;
            color: white;
            padding: var(--spacing-xl) 0;
            margin-top: var(--spacing-xl);
        }
        .web-link {
            background-color: #4a5568;
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-sm);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: #5a6578;
            transform: translateX(5px);
        }
        .web-link a {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .web-link i {
            color: var(--accent);
        }
        .site-footer {
            background-color: var(--primary);
            color: white;
            text-align: center;
            padding: var(--spacing-lg) 0;
        }
        .social-links {
            display: flex;
            justify-content: center;
            gap: var(--spacing-md);
            margin-bottom: var(--spacing-md);
        }
        .social-links a {
            font-size: 1.5rem;
            color: white;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--accent);
            transform: translateY(-3px);
        }
        .copyright {
            font-size: 0.9rem;
            color: #cbd5e0;
        }
        @media (max-width: 992px) {
            .article-title {
                font-size: 2.2rem;
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: var(--border-radius);
            }
            .search-input, .search-button {
                width: 100%;
                border-radius: 0;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .article-meta {
                flex-direction: column;
                gap: var(--spacing-sm);
            }
            .main-article {
                padding: var(--spacing-md);
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 var(--spacing-sm);
            }
            .article-title {
                font-size: 1.5rem;
            }
            .content-section h2 {
                font-size: 1.5rem;
            }
            .quote {
                font-size: 1rem;
                padding: var(--spacing-md);
            }
        }