* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #FF6B35;
            --secondary-color: #004E89;
            --accent-color: #00A896;
            --dark-color: #1A1A2E;
            --light-color: #F8F9FA;
            --text-color: #333333;
            --gray-color: #6C757D;
            --border-radius: 8px;
            --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #f5f7fa;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-color) 0%, #16213E 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.2);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--primary-color);
        }
        .logo i {
            font-size: 2rem;
            color: var(--accent-color);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .nav-links a:hover {
            background-color: rgba(255, 107, 53, 0.2);
            color: var(--primary-color);
        }
        .search-form {
            display: flex;
            margin-left: 2rem;
        }
        .search-form input {
            padding: 0.6rem 1rem;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            width: 200px;
            font-size: 0.9rem;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.6rem 1.2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #e55a2b;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: var(--transition);
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 0;
            margin-top: 1rem;
            border-radius: var(--border-radius);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
            padding-left: 1rem;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb a {
            color: #ddd;
            text-decoration: none;
            font-size: 0.9rem;
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb i {
            margin: 0 0.5rem;
            font-size: 0.8rem;
            color: var(--gray-color);
        }
        .breadcrumb .current {
            color: var(--primary-color);
            font-weight: 600;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            margin-top: 1rem;
        }
        .article-header {
            text-align: center;
            padding: 2rem 0;
            border-bottom: 2px solid #eee;
            margin-bottom: 2rem;
        }
        .article-header h1 {
            color: var(--dark-color);
            font-size: 2.5rem;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: var(--gray-color);
            font-size: 0.9rem;
        }
        .article-meta span {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .content-section {
            padding: 0 2rem 2rem;
        }
        h2, h3, h4 {
            color: var(--secondary-color);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h2 {
            font-size: 1.8rem;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
        }
        h4 {
            font-size: 1.2rem;
            color: var(--dark-color);
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .highlight {
            background-color: rgba(255, 107, 53, 0.1);
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip-box {
            background-color: rgba(0, 168, 150, 0.1);
            border: 1px solid var(--accent-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: var(--border-radius);
        }
        .tip-box h4 {
            color: var(--accent-color);
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            text-align: center;
        }
        .article-image img {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .article-image img:hover {
            transform: scale(1.01);
        }
        .image-caption {
            font-style: italic;
            color: var(--gray-color);
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .interactive-section {
            background-color: #f8f9fa;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #e9ecef;
        }
        .rating-form, .comment-form {
            margin-top: 1.5rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .rating-stars i {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #FFD700;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark-color);
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
        }
        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 0.8rem 1.8rem;
            border: none;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn:hover {
            background-color: #e55a2b;
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(255, 107, 53, 0.3);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
        }
        .btn-secondary:hover {
            background-color: #003a6b;
        }
        .web-links-section {
            background-color: #f8f9fa;
            padding: 2rem;
            margin: 2rem 0;
            border-radius: var(--border-radius);
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin-top: 1rem;
        }
        .web-link {
            background-color: white;
            padding: 1rem;
            border-radius: var(--border-radius);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--secondary-color);
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: var(--primary-color);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--primary-color);
            padding-bottom: 0.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .nav-links {
                gap: 1rem;
            }
            .search-form input {
                width: 150px;
            }
            .article-header h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--dark-color);
                flex-direction: column;
                align-items: center;
                padding: 2rem 0;
                gap: 1.5rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
                z-index: 999;
            }
            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .search-form {
                margin-left: 0;
                margin-top: 1rem;
                width: 100%;
                justify-content: center;
            }
            .search-form input {
                width: 70%;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .content-section {
                padding: 0 1rem 1.5rem;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 480px) {
            .article-meta {
                flex-direction: column;
                gap: 0.5rem;
                align-items: center;
            }
            .article-header h1 {
                font-size: 1.5rem;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.5s ease forwards;
        }
        @media print {
            header, footer, .interactive-section, .web-links-section {
                display: none;
            }
            body {
                background-color: white;
                color: black;
                font-size: 12pt;
            }
            .container {
                max-width: 100%;
                padding: 0;
            }
            main {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }