:root {
            --primary-color: #1a365d; 
            --secondary-color: #c53030; 
            --accent-color: #d69e2e; 
            --light-color: #f7fafc;
            --dark-color: #2d3748;
            --gray-color: #a0aec0;
            --max-width: 1200px;
            --border-radius: 8px;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Georgia', 'Times New Roman', serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            line-height: 1.8;
            color: var(--dark-color);
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        .site-header {
            background-color: var(--primary-color);
            color: var(--light-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-color);
            text-decoration: none;
            letter-spacing: 1px;
            transition: var(--transition);
        }
        .logo a:hover {
            color: var(--light-color);
            text-shadow: 0 0 10px rgba(214, 158, 46, 0.7);
        }
        .logo span {
            color: var(--light-color);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2.5rem;
        }
        .main-nav a {
            color: var(--light-color);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
            transition: var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 0;
            left: 0;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .main-nav a:hover {
            color: var(--accent-color);
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--light-color);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 0.8rem 2rem;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.95rem;
        }
        .breadcrumb ul {
            max-width: var(--max-width);
            margin: 0 auto;
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
            color: var(--secondary-color);
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--gray-color);
        }
        .main-container {
            max-width: var(--max-width);
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background-color: white;
            padding: 3rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        article h1 {
            font-family: var(--font-heading);
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 1rem;
        }
        article h2 {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            color: var(--primary-color);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e2e8f0;
        }
        article h3 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            color: var(--secondary-color);
            margin: 2rem 0 1rem;
        }
        article p {
            margin-bottom: 1.8rem;
            font-size: 1.15rem;
            text-align: justify;
            hyphens: auto;
        }
        article strong {
            color: var(--primary-color);
            font-weight: 700;
        }
        .featured-image {
            width: 100%;
            margin: 2.5rem 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray-color);
            padding: 0.8rem;
            background-color: #f8f9fa;
            border-top: 1px solid #e2e8f0;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            border-left: 5px solid var(--accent-color);
            padding: 2rem;
            margin: 2.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight-box p {
            margin-bottom: 0;
            font-size: 1.25rem;
            color: var(--primary-color);
        }
        .interactive-section {
            background-color: #f1f5f9;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
        }
        .interactive-section h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary-color);
        }
        .form-control {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 2px solid #cbd5e0;
            border-radius: var(--border-radius);
            font-family: var(--font-body);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.2);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .rating-stars input {
            display: none;
        }
        .rating-stars label {
            font-size: 2rem;
            color: #e2e8f0;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars input:checked ~ label,
        .rating-stars label:hover,
        .rating-stars label:hover ~ label {
            color: var(--accent-color);
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 2.5rem;
            border: none;
            border-radius: var(--border-radius);
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn:hover {
            background-color: var(--secondary-color);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .btn i {
            margin-right: 0.5rem;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background-color: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .sidebar-widget h3 {
            font-family: var(--font-heading);
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--accent-color);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        .tag-cloud a {
            background-color: #e2e8f0;
            color: var(--primary-color);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            text-decoration: none;
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            background-color: var(--primary-color);
            color: white;
        }
        .panel-gallery {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .panel-gallery img {
            width: 100%;
            height: auto;
            border-radius: calc(var(--border-radius) / 2);
            transition: var(--transition);
            cursor: pointer;
        }
        .panel-gallery img:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
        }
        .footer-links {
            background-color: var(--primary-color);
            padding: 3rem 2rem;
        }
        .links-container {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 2rem;
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: var(--border-radius);
            padding: 1.5rem;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: var(--light-color);
            text-decoration: none;
            font-weight: 600;
            line-height: 1.6;
            display: block;
        }
        .web-link a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .site-footer {
            background-color: #0f172a;
            color: var(--light-color);
            text-align: center;
            padding: 2.5rem 2rem;
        }
        .copyright {
            max-width: var(--max-width);
            margin: 0 auto;
            font-size: 0.95rem;
            color: var(--gray-color);
            line-height: 1.6;
        }
        .copyright a {
            color: var(--accent-color);
            text-decoration: none;
        }
        .copyright a:hover {
            text-decoration: underline;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .links-container {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 1rem;
            }
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--primary-color);
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                padding: 1.5rem;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .main-nav li:last-child {
                border-bottom: none;
            }
            .main-nav a {
                display: block;
                padding: 1.2rem 0;
            }
            article {
                padding: 2rem 1.5rem;
            }
            article h1 {
                font-size: 2.4rem;
            }
            article h2 {
                font-size: 1.9rem;
            }
            .links-container {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .breadcrumb ul {
                flex-wrap: wrap;
            }
            article h1 {
                font-size: 2rem;
            }
            article h2 {
                font-size: 1.6rem;
            }
            .highlight-box {
                padding: 1.5rem;
            }
            .interactive-section {
                padding: 1.8rem;
            }
            .panel-gallery {
                grid-template-columns: 1fr;
            }
            .links-container {
                grid-template-columns: 1fr;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
        }