:root {
            --primary-color: #1a237e;
            --secondary-color: #ff4081;
            --accent-color: #00bcd4;
            --light-color: #f5f5f7;
            --dark-color: #121212;
            --text-color: #333;
            --text-light: #666;
            --border-color: #ddd;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
            --max-width: 1200px;
            --border-radius: 8px;
            --font-heading: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-body: 'Open Sans', Arial, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            color: var(--text-color);
            background-color: #fff;
            line-height: 1.7;
            font-size: 1rem;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-bottom: 2px solid var(--accent-color); padding-bottom: 0.5rem; margin-top: 2.5rem; }
        h3 { font-size: 1.8rem; color: var(--secondary-color); margin-top: 2rem; }
        h4 { font-size: 1.4rem; }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .site-header {
            background-color: var(--primary-color);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
        }
        .logo a {
            color: white;
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--secondary-color);
            margin-right: 0.5rem;
            font-size: 2.2rem;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a:hover {
            text-decoration: none;
            color: var(--accent-color);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            left: 0;
            bottom: 0;
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background-color: var(--dark-color);
            padding: 1rem;
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin-bottom: 1rem;
        }
        .mobile-nav a {
            color: white;
            font-weight: 600;
            display: block;
            padding: 0.5rem;
            border-radius: var(--border-radius);
        }
        .mobile-nav a:hover {
            background-color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 1rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 0.5rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--secondary-color);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: #fff;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background-color: #fff;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-color);
            border-right: 0;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--primary-color);
        }
        .comment-rating-form label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .comment-rating-form textarea,
        .comment-rating-form input,
        .comment-rating-form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            font-family: var(--font-body);
            font-size: 1rem;
        }
        .comment-rating-form textarea {
            min-height: 120px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            margin-bottom: 1rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #ccc;
            cursor: pointer;
            padding: 0 0.1rem;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .btn-submit {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .btn-submit:hover {
            background-color: var(--secondary-color);
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .author {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .author img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
        }
        .article-tags {
            margin: 2rem 0;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .tag {
            background-color: var(--light-color);
            padding: 0.3rem 0.8rem;
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .highlight-box {
            background-color: #e3f2fd;
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .info-table th, .info-table td {
            border: 1px solid var(--border-color);
            padding: 1rem;
            text-align: left;
        }
        .info-table th {
            background-color: var(--primary-color);
            color: white;
        }
        .info-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .pull-quote {
            float: right;
            width: 300px;
            margin: 0 0 1rem 2rem;
            padding: 1.5rem;
            background-color: var(--light-color);
            border-left: 5px solid var(--secondary-color);
            font-style: italic;
            font-size: 1.2rem;
            color: var(--primary-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        @media (max-width: 768px) {
            .pull-quote {
                float: none;
                width: 100%;
                margin: 1rem 0;
            }
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 0.3rem;
        }
        .footer-links {
            background-color: var(--light-color);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-link {
            display: inline-block;
            margin: 0.5rem 1rem 0.5rem 0;
            padding: 0.5rem 1rem;
            background-color: white;
            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);
        }
        .site-footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
        }
        .copyright {
            margin-top: 2rem;
            font-size: 0.9rem;
            color: #aaa;
            width: 100%;
        }
        .social-links {
            display: flex;
            gap: 1rem;
        }
        .social-links a {
            color: white;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: var(--accent-color);
            transform: scale(1.1);
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .desktop-nav { display: none; }
            .mobile-menu-btn { display: block; }
            .header-top { padding: 1rem; }
            .article-content { padding: 1.5rem; }
            .article-meta { flex-direction: column; align-items: flex-start; gap: 1rem; }
            .footer-content { flex-direction: column; gap: 1.5rem; }
        }