:root {
            --primary-color: #1a237e;
            --secondary-color: #c62828;
            --accent-color: #ffab00;
            --text-dark: #212121;
            --text-light: #757575;
            --bg-light: #f5f5f5;
            --bg-dark: #121212;
            --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            font-size: 16px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color), #283593);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 2px;
            background: linear-gradient(to right, #ffab00, #ffd54f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: #ffab00;
        }
        .search-box {
            display: flex;
            flex: 0 1 400px;
        }
        .search-box input {
            flex-grow: 1;
            padding: 12px 20px;
            border: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background-color: var(--accent-color);
            color: var(--primary-color);
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 0 25px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #ffd54f;
        }
        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 1rem;
            position: relative;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 12px 20px;
            border-radius: 4px;
            margin: 1.5rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary-color);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 10px;
            color: var(--text-light);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        .article-content {
            background-color: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
        }
        h1 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--text-light);
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
        }
        .featured-image {
            width: 100%;
            border-radius: 8px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            color: var(--secondary-color);
            padding-bottom: 8px;
            border-bottom: 2px solid #ffccbc;
        }
        h3 {
            font-size: 1.4rem;
            margin: 2rem 0 1rem;
            color: var(--primary-color);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff8e1;
            border-left: 5px solid var(--accent-color);
            padding: 25px;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-size: 1.1rem;
            font-weight: 600;
            color: #5d4037;
        }
        blockquote {
            font-style: italic;
            color: var(--text-light);
            padding: 20px 30px;
            background-color: #f9f9f9;
            border-radius: 8px;
            margin: 2rem 0;
            border-left: 4px solid var(--primary-color);
        }
        .info-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 2.5rem 0;
        }
        .info-card {
            background: linear-gradient(145deg, #e3f2fd, #f3e5f5);
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            box-shadow: var(--card-shadow);
        }
        .info-card h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: var(--primary-color);
            padding-bottom: 10px;
            border-bottom: 2px solid #e0e0e0;
        }
        .user-rating {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            margin: 15px 0;
        }
        .stars i {
            cursor: pointer;
            margin: 0 3px;
        }
        .rating-form textarea,
        .rating-form input {
            width: 100%;
            padding: 15px;
            margin-bottom: 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .rating-form button {
            width: 100%;
            padding: 15px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: var(--secondary-color);
        }
        .comments-section {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 2px solid #eee;
        }
        .comment {
            display: flex;
            gap: 20px;
            padding: 25px;
            background-color: #fafafa;
            border-radius: 10px;
            margin-bottom: 25px;
        }
        .comment-avatar {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: #bbdefb;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary-color);
        }
        .comment-content h5 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .comment-meta {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 50px 0;
        }
        .web-link {
            background-color: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: var(--card-shadow);
            text-align: center;
            font-weight: 600;
            color: var(--primary-color);
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .web-link:hover {
            border-color: var(--accent-color);
            transform: translateY(-5px);
        }
        footer {
            background-color: var(--bg-dark);
            color: #b0bec5;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: #ffab00;
            margin-bottom: 15px;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #37474f;
            font-size: 0.9rem;
            color: #78909c;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .nav-links {
                gap: 1rem;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .search-box {
                width: 100%;
                max-width: 500px;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 100px;
                left: -100%;
                flex-direction: column;
                background-color: var(--primary-color);
                width: 100%;
                padding: 20px;
                transition: 0.5s;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
                z-index: 999;
            }
            .nav-links.active {
                left: 0;
            }
            .nav-links li {
                margin: 10px 0;
            }
            h1 {
                font-size: 2rem;
            }
            .article-content {
                padding: 25px;
            }
        }