:root {
            --primary-color: #0a3d62; 
            --secondary-color: #e74c3c; 
            --accent-color: #f39c12; 
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
            --text-color: #333;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        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: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), var(--dark-color));
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-color);
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(to right, #f39c12, #e74c3c);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
        }
        .my-logo a {
            color: inherit;
            text-decoration: none;
        }
        .search-form {
            display: flex;
            flex-grow: 0.4;
            min-width: 200px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 10px 15px;
            border: none;
            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 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #c0392b;
        }
        nav {
            margin-top: 1rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1rem;
        }
        .nav-links {
            display: flex;
            list-style: none;
            justify-content: space-around;
            flex-wrap: wrap;
        }
        .nav-links li a {
            color: white;
            padding: 10px 15px;
            border-radius: var(--border-radius);
            font-weight: 600;
            display: block;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            background-color: rgba(255,255,255,0.1);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 12px 20px;
            margin: 15px 0;
            border-radius: var(--border-radius);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--dark-color);
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #7f8c8d;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 30px;
            margin: 30px 0;
        }
        .article-content {
            background-color: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-meta {
            color: #7f8c8d;
            font-size: 0.9rem;
            margin-bottom: 25px;
            display: flex;
            justify-content: space-between;
            border-bottom: 1px solid #eee;
            padding-bottom: 15px;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.8rem;
            margin-bottom: 25px;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 15px;
        }
        h2 {
            color: var(--dark-color);
            font-size: 2rem;
            margin: 35px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #ecf0f1;
        }
        h3 {
            color: var(--primary-color);
            font-size: 1.6rem;
            margin: 30px 0 15px;
        }
        h4 {
            color: var(--secondary-color);
            font-size: 1.3rem;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-color);
            background-color: #f8f9fa;
            padding: 15px;
            border-left: 4px solid var(--accent-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight {
            background-color: #fffde7;
            padding: 20px;
            border-radius: var(--border-radius);
            border-left: 4px solid var(--accent-color);
            margin: 25px 0;
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 25px 0;
            box-shadow: var(--shadow);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            margin-top: -15px;
            margin-bottom: 25px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-box {
            background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
            padding: 20px;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
        }
        .stat-box i {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }
        sidebar {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            color: var(--dark-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-color);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #f1c40f;
            margin: 15px 0;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-form input, .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .rating-form button, .comment-form button {
            width: 100%;
            padding: 12px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .rating-form button:hover, .comment-form button:hover {
            background-color: var(--secondary-color);
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dotted #eee;
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list a {
            color: var(--dark-color);
            display: block;
            padding: 8px 0;
        }
        .link-list a:hover {
            color: var(--secondary-color);
            padding-left: 10px;
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }
        .footer-widget h4 {
            color: var(--accent-color);
            font-size: 1.3rem;
            margin-bottom: 25px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 12px 15px;
            margin-bottom: 10px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            sidebar {
                position: static;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .search-form {
                width: 100%;
                margin-top: 15px;
            }
            .nav-links {
                flex-direction: column;
                display: none;
                width: 100%;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin-bottom: 5px;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 20px;
                right: 20px;
            }
            .article-content {
                padding: 20px;
            }
        }