* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a365d;
            --secondary: #e53e3e;
            --accent: #38a169;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #718096;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary) 0%, #2c5282 100%);
            color: white;
            padding: 1.2rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 900;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover {
            color: #ffd700;
        }
        .logo i {
            color: var(--secondary);
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }
        .desktop-nav a:hover, .desktop-nav a.active {
            color: #ffd700;
            border-bottom-color: #ffd700;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--primary);
            z-index: 999;
            transform: translateY(-100%);
            opacity: 0;
            transition: var(--transition);
            padding: 1rem 0;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            display: none;
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
        }
        .mobile-nav ul {
            list-style: none;
            text-align: center;
        }
        .mobile-nav li {
            margin: 1.2rem 0;
        }
        .mobile-nav a {
            color: white;
            font-size: 1.2rem;
            font-weight: 600;
            padding: 10px;
            display: block;
        }
        .mobile-nav a:hover {
            background-color: rgba(255,255,255,0.1);
            border-radius: 5px;
        }
        main {
            padding: 2rem 0;
            min-height: 80vh;
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--secondary);
            padding-left: 20px;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 8px;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin: 1.8rem 0 1rem;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            margin-bottom: 2rem;
            color: var(--gray);
            font-size: 0.95rem;
        }
        .article-meta i {
            margin-right: 6px;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 2rem;
            line-height: 1.6;
            padding: 15px;
            background: #ebf8ff;
            border-radius: 8px;
            border-left: 4px solid var(--accent);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, #fffddf 0%, #fffddf 100%);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            border: 1px dashed var(--accent);
        }
        .highlight h3 {
            color: var(--secondary);
            margin-top: 0;
        }
        blockquote {
            border-left: 5px solid var(--secondary);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: var(--dark);
            background: #fef2f2;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .featured-img {
            margin: 2.5rem 0;
            text-align: center;
        }
        .featured-img figcaption {
            margin-top: 10px;
            font-size: 0.9rem;
            color: var(--gray);
            font-style: italic;
        }
        .search-widget {
            background: #f1f5f9;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            text-align: center;
        }
        .search-widget h3 {
            margin-top: 0;
            color: var(--primary);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1.5rem auto 0;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid #cbd5e0;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-form input:focus {
            border-color: var(--primary);
        }
        .search-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: #c53030;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .comment-box, .rating-box {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        .comment-box h3, .rating-box h3 {
            margin-top: 0;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 1.5rem 0;
            font-size: 2rem;
            color: #e2e8f0;
            cursor: pointer;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #f6ad55;
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 15px;
            margin-bottom: 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 8px;
            font-size: 1rem;
            resize: vertical;
        }
        button[type="submit"] {
            background: var(--primary);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        button[type="submit"]:hover {
            background: #2c5282;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: #ffd700;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #cbd5e0;
        }
        .footer-links a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin-top: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        .btn {
            display: inline-block;
            background: var(--secondary);
            color: white;
            padding: 12px 25px;
            border-radius: 6px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: #c53030;
            transform: translateY(-2px);
        }
        .text-center { text-align: center; }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .bold { font-weight: 800; color: var(--primary); }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .container { padding: 0 15px; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .mobile-nav { display: block; }
            .header-content { padding: 0 10px; }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            h1 { font-size: 2rem; }
            .lead { font-size: 1.1rem; }
        }
        @media (max-width: 576px) {
            .search-form { flex-direction: column; }
            .search-form input { border-radius: 8px; margin-bottom: 10px; }
            .search-form button { border-radius: 8px; padding: 15px; }
            .article-meta { flex-direction: column; gap: 10px; }
        }