* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f9f9f9;
            max-width: 100%;
            overflow-x: hidden;
        }
        h1, h2, h3, h4 {
            font-family: 'Arial Black', Gadget, sans-serif;
            color: #2c3e50;
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }
        h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            color: #e74c3c;
            text-align: center;
            margin-top: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 4px solid #3498db;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            color: #2980b9;
            padding-top: 2rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.5rem;
            color: #16a085;
            margin-top: 1.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        strong {
            color: #c0392b;
            font-weight: 700;
        }
        em {
            color: #8e44ad;
            font-style: italic;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 50%, #3949ab 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-decoration: none;
            color: #ffeb3b;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: #e74c3c;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            width: 100%;
            background-color: #1a237e;
            flex-direction: column;
            padding: 1rem 0;
            margin-top: 1rem;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 1rem 2rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            transition: background 0.3s;
        }
        .nav-mobile a:hover {
            background-color: #283593;
        }
        .breadcrumb {
            background-color: #f1f8ff;
            padding: 1rem 0;
            margin-bottom: 2rem;
            border-bottom: 1px solid #e1e8ed;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin-left: 0.5rem;
            color: #95a5a6;
        }
        .search-section {
            background-color: #e3f2fd;
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1rem auto 0;
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: 2px solid #3498db;
            border-radius: 50px 0 0 50px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-btn {
            background: linear-gradient(to right, #3498db, #2c3e50);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(to right, #2980b9, #1a252f);
            transform: scale(1.02);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (min-width: 992px) {
            .main-content {
                grid-template-columns: 3fr 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        }
        .sidebar {
            background-color: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        }
        .sidebar h3 {
            color: #2c3e50;
            border-bottom: 2px solid #3498db;
            padding-bottom: 0.5rem;
        }
        .info-card {
            background: linear-gradient(145deg, #f8f9fa, #e9ecef);
            border-left: 5px solid #3498db;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .info-card:hover {
            transform: translateX(10px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 12px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .internal-link {
            color: #e74c3c;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted #e74c3c;
            padding-bottom: 2px;
            transition: all 0.3s;
        }
        .internal-link:hover {
            color: #c0392b;
            border-bottom-style: solid;
        }
        .interactive-section {
            background-color: #f8f9fa;
            padding: 2.5rem;
            border-radius: 15px;
            margin-top: 3rem;
            border: 1px solid #e9ecef;
        }
        .rating-form, .comment-form {
            margin-top: 2rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s, transform 0.2s;
        }
        .star:hover,
        .star.active {
            color: #f39c12;
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #2c3e50;
        }
        .form-input,
        .form-textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        .submit-btn {
            background: linear-gradient(to right, #2ecc71, #27ae60);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: inline-block;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #27ae60, #219653);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(39, 174, 96, 0.3);
        }
        .web-links {
            background-color: #2c3e50;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background-color: #34495e;
            padding: 1.5rem;
            border-radius: 8px;
            transition: all 0.3s;
        }
        .web-link:hover {
            background-color: #3d566e;
            transform: translateY(-5px);
        }
        .web-link a {
            color: #ecf0f1;
            text-decoration: none;
            font-weight: 600;
            display: block;
            font-size: 1.1rem;
        }
        .web-link a:hover {
            color: #3498db;
        }
        .site-footer {
            background-color: #1a252f;
            color: #bdc3c7;
            padding: 3rem 0 1.5rem;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }
        .copyright {
            font-size: 0.95rem;
            color: #95a5a6;
            border-top: 1px solid #34495e;
            padding-top: 1.5rem;
            width: 100%;
        }
        .text-center { text-align: center; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .p-2 { padding: 2rem; }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .logo {
                margin-bottom: 1rem;
            }
            .article-content,
            .sidebar {
                padding: 1.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 50px;
                margin-bottom: 1rem;
            }
            .search-btn {
                border-radius: 50px;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
        }
        @media print {
            .site-header,
            .search-section,
            .sidebar,
            .interactive-section,
            .web-links,
            .site-footer {
                display: none;
            }
            body {
                background: white;
                color: black;
                font-size: 12pt;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
        }