:root {
            --primary: #0056b3; 
            --secondary: #ffcc00; 
            --dark: #1a1a1a;
            --light: #f8f9fa;
            --gray: #6c757d;
            --success: #28a745;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
            font-size: 16px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            text-align: center;
            transition: var(--transition);
        }
        .btn:hover {
            background: #004494;
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .btn-secondary {
            background: var(--secondary);
            color: var(--dark);
        }
        .btn-secondary:hover {
            background: #e6b800;
        }
        header {
            background: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary);
        }
        .search-form {
            display: flex;
            flex: 0 1 400px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #ddd;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-form button {
            padding: 0 20px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }
        nav {
            background: var(--dark);
        }
        .nav-list {
            display: flex;
            justify-content: center;
        }
        .nav-list li {
            position: relative;
        }
        .nav-list a {
            display: block;
            padding: 18px 24px;
            color: white;
            font-weight: 500;
        }
        .nav-list a:hover,
        .nav-list a.active {
            background: var(--primary);
            color: var(--secondary);
        }
        .breadcrumb {
            padding: 15px 0;
            background: var(--light);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background: white;
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--dark);
            line-height: 1.2;
        }
        h2 {
            font-size: 1.8rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
            color: var(--primary);
        }
        h3 {
            font-size: 1.4rem;
            margin: 30px 0 15px;
            color: var(--dark);
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 30px;
        }
        .highlight {
            background: #fff9e6;
            border-left: 4px solid var(--secondary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .img-container {
            margin: 30px 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .img-container figcaption {
            padding: 10px 15px;
            background: var(--light);
            font-size: 0.9rem;
            color: var(--gray);
            text-align: center;
        }
        .content-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 25px 0;
        }
        .content-links a {
            background: var(--light);
            padding: 10px 20px;
            border-radius: 50px;
            border: 1px solid #ddd;
            font-size: 0.95rem;
        }
        .content-links a:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            margin-top: 0;
            color: var(--primary);
            font-size: 1.3rem;
        }
        .rating-form .stars {
            display: flex;
            gap: 5px;
            margin: 15px 0;
            direction: rtl;
        }
        .rating-form .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form .star:hover,
        .rating-form .star:hover ~ .star {
            color: var(--secondary);
        }
        .rating-form input:checked ~ .star {
            color: var(--secondary);
        }
        .rating-form input {
            display: none;
        }
        .comment-form textarea,
        .rating-form textarea {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            margin: 15px 0;
            font-family: inherit;
            resize: vertical;
        }
        footer {
            background: var(--dark);
            color: white;
            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: 1.8rem;
            font-weight: 900;
            color: white;
            margin-bottom: 20px;
            display: block;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        friend-link {
            display: inline-block;
            padding: 8px 15px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--border-radius);
            font-size: 0.9rem;
        }
        friend-link a:hover {
            color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .nav-list {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 768px) {
            :root {
                font-size: 14px;
            }
            h1 {
                font-size: 2rem;
            }
            .header-top {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                flex: 1 1 100%;
                margin-top: 15px;
            }
            .hamburger {
                display: block;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
            }
            .nav-list.active {
                display: flex;
            }
            .nav-list a {
                padding: 15px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
        }