* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a237e 0%, #311b92 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: #fff;
            letter-spacing: -1px;
            text-transform: uppercase;
            background: linear-gradient(to right, #ff9800, #ffeb3b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo span {
            color: #ffeb3b;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 2rem;
        }
        nav ul li a {
            color: #e0e0e0;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: color 0.3s ease;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        nav ul li a:hover,
        nav ul li a.active {
            color: #ffeb3b;
            background-color: rgba(255, 255, 255, 0.1);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #edf2f7;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #1a237e;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #666;
            margin: 0 5px;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
        }
        .sidebar {
            background-color: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
            height: fit-content;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ff9800;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #311b92;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px dashed #ccc;
        }
        h3 {
            font-size: 1.5rem;
            color: #4527a0;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            font-weight: 500;
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-left: 5px solid #1a237e;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fffde7;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #ffc107;
            margin: 1.5rem 0;
        }
        .highlight strong {
            color: #ff6f00;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s ease;
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        .search-box, .comment-form, .rating-form {
            background-color: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            border: 1px solid #ddd;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #444;
        }
        input[type="text"],
        input[type="email"],
        textarea,
        select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #bbb;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: #1a237e;
            box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #1a237e, #311b92);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            font-size: 1.1rem;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 600;
            display: inline-block;
            text-decoration: none;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #311b92, #4527a0);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0, 0, 0, 0.2);
        }
        .rating-stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin: 0.5rem 0;
        }
        .rating-stars i {
            cursor: pointer;
            margin-right: 5px;
            transition: color 0.2s;
        }
        .rating-stars i:hover {
            color: #ff9800;
        }
        .comment {
            background-color: white;
            border-left: 4px solid #1a237e;
            padding: 1.2rem;
            margin-bottom: 1.5rem;
            border-radius: 0 8px 8px 0;
            box-shadow: 0 3px 8px rgba(0,0,0,0.05);
        }
        .comment-author {
            font-weight: bold;
            color: #1a237e;
        }
        .comment-date {
            color: #777;
            font-size: 0.9rem;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1rem;
            margin: 2.5rem 0;
        }
        .web-link {
            background-color: white;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            box-shadow: 0 4px 8px rgba(0,0,0,0.08);
            transition: transform 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
        }
        .web-link a {
            color: #1a237e;
            text-decoration: none;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background: linear-gradient(135deg, #1a237e 0%, #311b92 100%);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 2rem;
            padding-right: 2rem;
        }
        .footer-section h3 {
            color: #ffeb3b;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        .footer-section a {
            color: #e0e0e0;
            text-decoration: none;
            display: block;
            margin-bottom: 0.8rem;
            transition: color 0.3s;
        }
        .footer-section a:hover {
            color: #ffeb3b;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .logo {
                margin-bottom: 1rem;
            }
            nav ul {
                flex-direction: column;
                width: 100%;
                display: none;
            }
            nav ul.show {
                display: flex;
            }
            nav ul li {
                margin: 0;
                margin-bottom: 0.5rem;
            }
            nav ul li a {
                display: block;
                padding: 0.8rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.2rem;
                right: 20px;
            }
            .web-links {
                grid-template-columns: repeat(2, 1fr);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .article-content, .sidebar {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .strong {
            font-weight: 700;
            color: #1a237e;
        }