* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
            color: white;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            color: white;
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #ffcc00;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
        }
        .desktop-nav li {
            margin-left: 30px;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: color 0.3s, transform 0.3s;
            padding: 8px 5px;
            position: relative;
        }
        .desktop-nav a:hover {
            color: #ffcc00;
            transform: translateY(-2px);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: #ffcc00;
            transition: width 0.3s;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .mobile-nav {
            display: none;
            background-color: #283593;
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            z-index: 999;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 15px;
        }
        .mobile-nav a {
            color: white;
            text-decoration: none;
            font-size: 1.2rem;
            display: block;
            padding: 10px;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        .mobile-nav a:hover {
            background-color: #3949ab;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 12px 20px;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #1a237e;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #666;
        }
        .search-container {
            background-color: #fff;
            padding: 30px 20px;
            margin: 20px auto;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-align: center;
        }
        .search-container h2 {
            color: #1a237e;
            margin-bottom: 15px;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-input:focus {
            border-color: #1a237e;
        }
        .search-btn {
            background: linear-gradient(to right, #1a237e, #283593);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(to right, #283593, #3949ab);
        }
        main {
            padding: 30px 0;
        }
        article {
            background-color: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
            margin-bottom: 40px;
        }
        h1 {
            color: #1a237e;
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            border-left: 6px solid #ffcc00;
            padding-left: 15px;
        }
        h2 {
            color: #283593;
            font-size: 2rem;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e8eaf6;
        }
        h3 {
            color: #3949ab;
            font-size: 1.5rem;
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            color: #555;
            background-color: #f5f5f5;
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 30px;
            border-left: 4px solid #1a237e;
        }
        .highlight {
            background-color: #fffde7;
            padding: 25px;
            border-radius: 8px;
            margin: 25px 0;
            border: 1px solid #ffeb3b;
        }
        .highlight p {
            margin-bottom: 10px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #e3f2fd, #bbdefb);
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: #1a237e;
            margin-bottom: 15px;
        }
        .stat-card h4 {
            font-size: 1.8rem;
            color: #1a237e;
            margin-bottom: 10px;
        }
        .img-container {
            margin: 30px 0;
            text-align: center;
        }
        .img-container img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s;
        }
        .img-container img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            margin-top: 10px;
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
        }
        blockquote {
            border-left: 5px solid #ffcc00;
            padding-left: 20px;
            margin: 30px 0;
            color: #555;
            font-style: italic;
            background-color: #fff9c4;
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }
        .tip-card {
            background-color: #f5f5f5;
            padding: 25px;
            border-radius: 10px;
            border-top: 4px solid #1a237e;
            transition: box-shadow 0.3s;
        }
        .tip-card:hover {
            box-shadow: 0 10px 20px rgba(0,0,0,0.08);
        }
        .tip-card h4 {
            color: #1a237e;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        .tip-card i {
            margin-right: 10px;
            color: #ff9800;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .comparison-table th, .comparison-table td {
            border: 1px solid #ddd;
            padding: 15px;
            text-align: left;
        }
        .comparison-table th {
            background-color: #1a237e;
            color: white;
            font-weight: 600;
        }
        .comparison-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .comparison-table tr:hover {
            background-color: #f1f1f1;
        }
        .rating-section, .comments-section {
            background-color: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.06);
            margin-bottom: 40px;
        }
        .rating-section h2, .comments-section h2 {
            color: #1a237e;
            margin-bottom: 25px;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            margin-bottom: 25px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
            margin: 0 5px;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffcc00;
        }
        .rating-form, .comment-form {
            max-width: 600px;
            margin: 0 auto;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        .form-group input:focus, .form-group textarea:focus, .form-group select:focus {
            border-color: #1a237e;
            outline: none;
        }
        .submit-btn {
            background: linear-gradient(to right, #1a237e, #283593);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: background 0.3s, transform 0.2s;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #283593, #3949ab);
            transform: translateY(-2px);
        }
        .comments-list {
            margin-top: 30px;
        }
        .comment {
            background-color: #f9f9f9;
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 20px;
            border-left: 4px solid #1a237e;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: #666;
        }
        .comment-author {
            font-weight: bold;
            color: #1a237e;
        }
        .footer-links {
            background-color: #e8eaf6;
            padding: 40px 20px;
            margin-top: 40px;
        }
        .footer-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 25px;
        }
        .web-link {
            background-color: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
        }
        .web-link a {
            color: #1a237e;
            text-decoration: none;
            font-weight: 600;
            display: block;
            padding: 8px 0;
            border-bottom: 1px dashed #ccc;
            transition: color 0.3s;
        }
        .web-link a:hover {
            color: #ff9800;
        }
        .web-link a:last-child {
            border-bottom: none;
        }
        footer {
            background-color: #1a237e;
            color: white;
            padding: 40px 20px;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: #ffcc00;
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
            color: #b0b0b0;
            border-top: 1px solid #3949ab;
            padding-top: 20px;
            width: 100%;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .header-container { padding: 15px; }
            .desktop-nav { display: none; }
            .mobile-toggle { display: block; }
            article { padding: 30px; }
        }
        @media (max-width: 768px) {
            h1 { font-size: 2rem; }
            .search-form { flex-direction: column; }
            .search-input { border-radius: 8px; margin-bottom: 10px; }
            .search-btn { border-radius: 8px; padding: 15px; }
            .stats-grid, .tips-grid { grid-template-columns: 1fr; }
            .footer-links .container { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .header-container { flex-direction: column; align-items: flex-start; }
            .logo { margin-bottom: 15px; }
            .breadcrumb { padding: 10px; }
            article { padding: 20px; }
            .rating-section, .comments-section { padding: 25px; }
        }