* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            padding-top: 80px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #0d47a1 0%, #1976d2 100%);
            color: white;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            font-size: 2rem;
        }
        .logo span {
            background: linear-gradient(to right, #ffcc00, #ffeb3b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .desktop-nav {
            display: flex;
            gap: 25px;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: 0.3s;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #0d47a1;
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav .nav-link {
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 15px 0;
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #1976d2;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #6c757d;
        }
        .search-container {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 40px;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #1976d2;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: #1976d2;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .search-button:hover {
            background-color: #0d47a1;
        }
        main {
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            padding: 40px;
            margin-bottom: 40px;
        }
        article h1 {
            font-size: 2.5rem;
            color: #0d47a1;
            margin-bottom: 25px;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            article h1 {
                font-size: 2rem;
            }
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: #6c757d;
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        .article-meta i {
            margin-right: 5px;
        }
        article h2 {
            font-size: 1.8rem;
            color: #1976d2;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e9ecef;
        }
        article h3 {
            font-size: 1.4rem;
            color: #333;
            margin: 30px 0 15px;
        }
        article p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background-color: #fff8e1;
            padding: 25px;
            border-left: 4px solid #ffc107;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-weight: 600;
            color: #333;
        }
        .results-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }
        .results-table th {
            background-color: #1976d2;
            color: white;
            padding: 15px;
            text-align: left;
            font-weight: 600;
        }
        .results-table td {
            padding: 15px;
            border-bottom: 1px solid #e9ecef;
        }
        .results-table tr:hover {
            background-color: #f5f9ff;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            padding: 10px;
            background-color: #f8f9fa;
        }
        .internal-links {
            background-color: #f5f9ff;
            padding: 25px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .internal-links h3 {
            color: #1976d2;
            margin-bottom: 15px;
        }
        .internal-links ul {
            list-style-type: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
        }
        .internal-links li {
            margin-bottom: 10px;
        }
        .internal-links a {
            color: #0d47a1;
            text-decoration: none;
            padding: 8px 0;
            display: block;
            transition: color 0.3s;
        }
        .internal-links a:hover {
            color: #ff6f00;
            text-decoration: underline;
        }
        .internal-links i {
            margin-right: 8px;
            color: #1976d2;
        }
        .user-interaction {
            background-color: #f8f9fa;
            padding: 40px;
            border-radius: 10px;
            margin-top: 40px;
        }
        .interaction-title {
            color: #1976d2;
            margin-bottom: 30px;
            text-align: center;
        }
        .form-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .form-box {
            background-color: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
        }
        .form-box h3 {
            color: #333;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-box h3 i {
            color: #1976d2;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-control:focus {
            outline: none;
            border-color: #1976d2;
            box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.2);
        }
        textarea.form-control {
            min-height: 120px;
            resize: vertical;
        }
        .rating {
            display: flex;
            gap: 5px;
            margin-bottom: 15px;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating input:checked ~ label,
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffc107;
        }
        .submit-btn {
            background-color: #1976d2;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: background-color 0.3s;
        }
        .submit-btn:hover {
            background-color: #0d47a1;
        }
        .footer-links {
            background-color: #2c3e50;
            padding: 40px 0;
            margin-top: 40px;
        }
        .web-link-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .web-link {
            background-color: #34495e;
            padding: 15px;
            border-radius: 5px;
            transition: transform 0.3s, background-color 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            background-color: #3d566e;
        }
        .web-link a {
            color: #ecf0f1;
            text-decoration: none;
            display: block;
            font-size: 0.95rem;
            line-height: 1.5;
        }
        .web-link a:hover {
            color: #3498db;
        }
        footer {
            background-color: #1a252f;
            color: #bdc3c7;
            padding: 30px 0;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .copyright {
            font-size: 0.9rem;
        }
        .social-links {
            display: flex;
            gap: 15px;
        }
        .social-links a {
            color: #bdc3c7;
            font-size: 1.2rem;
            transition: color 0.3s;
        }
        .social-links a:hover {
            color: #3498db;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: 700;
            color: #0d47a1;
        }
        .text-center {
            text-align: center;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mb-30 {
            margin-bottom: 30px;
        }
        .mt-30 {
            margin-top: 30px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }
            main {
                padding: 25px;
            }
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
            .results-table {
                display: block;
                overflow-x: auto;
            }
            .form-container {
                grid-template-columns: 1fr;
            }
            .user-interaction {
                padding: 25px;
            }
            .internal-links ul {
                grid-template-columns: 1fr;
            }
            .web-link-container {
                grid-template-columns: 1fr;
            }
        }