:root {
            --primary: #2a4365;
            --secondary: #d69e2e;
            --accent: #9c4221;
            --light: #f7fafc;
            --dark: #1a202c;
            --gray: #718096;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #f5f7fa;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        ul, ol {
            padding-left: 1.5rem;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 2rem; }
        .mb-4 { margin-bottom: 3rem; }
        .mt-4 { margin-top: 3rem; }
        .p-3 { padding: 1.5rem; }
        header {
            background: linear-gradient(135deg, var(--primary), #1a365d);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #fbd38d, var(--secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .desktop-nav ul {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover, .desktop-nav a.active {
            color: #fbd38d;
            border-bottom-color: #fbd38d;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            padding: 0.8rem;
            border-bottom: 1px solid #4a5568;
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            padding-left: 0;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
        }
        main {
            background-color: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            margin: 2rem auto;
        }
        .article-header {
            background: linear-gradient(rgba(42, 67, 101, 0.9), rgba(42, 67, 101, 0.95)), url('https://images.unsplash.com/photo-1614732414444-096e5f1122d5?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=50');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 4rem 2rem;
            text-align: center;
        }
        .article-header h1 {
            font-size: 2.8rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-header .meta {
            color: #cbd5e0;
            font-style: italic;
        }
        .content-section {
            padding: 2.5rem;
        }
        h1, h2, h3, h4 {
            color: var(--primary);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-left: 5px solid var(--secondary); padding-left: 1rem; }
        h3 { font-size: 1.8rem; color: var(--accent); }
        h4 { font-size: 1.4rem; }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffaf0;
            border-left: 4px solid var(--secondary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .figure {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .figure img {
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .figure img:hover {
            transform: translateY(-5px);
        }
        .figure figcaption {
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 0.5rem;
            font-style: italic;
        }
        blockquote {
            font-size: 1.2rem;
            font-style: italic;
            color: var(--primary);
            border-left: 4px solid var(--secondary);
            padding-left: 1.5rem;
            margin: 2rem 0;
        }
        strong {
            color: var(--accent);
        }
        em { color: var(--gray); }
        .interactive-box {
            background-color: #f8f9fa;
            border: 1px solid #e2e8f0;
            border-radius: var(--radius);
            padding: 2rem;
            margin: 3rem 0;
        }
        .interactive-box h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #cbd5e0;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
        }
        button, .btn {
            background: linear-gradient(to right, var(--secondary), #ecc94b);
            color: var(--dark);
            border: none;
            padding: 0.8rem 1.8rem;
            border-radius: var(--radius);
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #ecc94b, var(--secondary));
            transform: translateY(-2px);
            box-shadow: 0 6px 12px rgba(214, 158, 46, 0.3);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #e2e8f0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #f6ad55;
        }
        .related-links {
            background-color: #edf2f7;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .related-links h4 {
            margin-top: 0;
        }
        .related-links ul {
            list-style: none;
            padding-left: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .related-links li {
            background: white;
            padding: 0.8rem;
            border-radius: 6px;
            transition: var(--transition);
        }
        .related-links li:hover {
            background-color: #e2e8f0;
            transform: translateX(5px);
        }
        .related-links a {
            color: var(--primary);
            display: block;
        }
        .related-links a:hover {
            color: var(--accent);
        }
        footer {
            background-color: var(--dark);
            color: #cbd5e0;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #fbd38d;
            margin-bottom: 1.2rem;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            list-style: none;
            padding-left: 0;
        }
        .friend-links a {
            color: #90cdf4;
            background-color: #2d3748;
            padding: 0.5rem 1rem;
            border-radius: 20px;
        }
        .friend-links a:hover {
            background-color: #4a5568;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            .article-header { padding: 3rem 1.5rem; }
            .content-section { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .article-header h1 { font-size: 2rem; }
            .related-links ul { grid-template-columns: 1fr; }
            .footer-content { grid-template-columns: 1fr; text-align: center; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.6rem; }
            .content-section { padding: 1.5rem; }
            .interactive-box { padding: 1.5rem; }
        }