* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            padding-top: 70px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
            color: white;
            padding: 1rem 5%;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 900;
            color: #ffc107;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo span {
            color: #4fc3f7;
        }
        nav ul {
            display: flex;
            gap: 2rem;
        }
        nav a {
            font-weight: 600;
            font-size: 1.1rem;
            transition: color 0.3s;
            padding: 0.5rem;
        }
        nav a:hover {
            color: #ffc107;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #e3f2fd;
            padding: 0.8rem 5%;
            font-size: 0.9rem;
            border-bottom: 1px solid #bbdefb;
        }
        .breadcrumb a {
            color: #1a237e;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb i {
            margin: 0 0.5rem;
            color: #5c6bc0;
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 5%;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #283593;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #ffc107;
        }
        h3 {
            font-size: 1.5rem;
            color: #3949ab;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 1.5rem;
            border-left: 5px solid #ffc107;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3em;
        }
        b, strong {
            color: #d32f2f;
        }
        .code-list {
            background: #f5f5f5;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .code-item {
            background: white;
            padding: 1rem;
            margin-bottom: 1rem;
            border-radius: 8px;
            border: 2px dashed #4caf50;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: transform 0.3s;
        }
        .code-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .code {
            font-family: monospace;
            font-size: 1.5rem;
            font-weight: bold;
            color: #1b5e20;
        }
        .copy-btn {
            background: #4caf50;
            color: white;
            border: none;
            padding: 0.5rem 1.2rem;
            border-radius: 6px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .copy-btn:hover {
            background: #388e3c;
        }
        .image-container {
            margin: 3rem 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            max-height: 500px;
            object-fit: cover;
            width: 100%;
        }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        aside {
            position: sticky;
            top: 90px;
            align-self: start;
        }
        .widget {
            background: white;
            padding: 1.8rem;
            margin-bottom: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            font-size: 1.4rem;
            color: #1a237e;
            margin-bottom: 1.2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .widget h3 i {
            color: #ff9800;
        }
        .search-form input {
            width: 100%;
            padding: 0.9rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .search-form button {
            width: 100%;
            background: #ff9800;
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #f57c00;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .active {
            color: #ffc107;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .submit-btn {
            background: #2196f3;
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
            margin-top: 1rem;
        }
        .submit-btn:hover {
            background: #0b7dda;
        }
        .web-links {
            background: #e8eaf6;
            padding: 2.5rem 5%;
            margin-top: 3rem;
        }
        .web-links-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: white;
            padding: 1.2rem;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 15px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: #283593;
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: #ff9800;
            text-decoration: underline;
        }
        footer {
            background: #1a237e;
            color: white;
            text-align: center;
            padding: 2rem 5%;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 1.5rem;
        }
        .footer-links a {
            color: #bbdefb;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #ffc107;
        }
        .copyright {
            font-size: 0.9rem;
            color: #90caf9;
            margin-top: 1rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 60px;
            }
            .header-container {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #283593;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem 5%;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.8rem;
            }
            .code {
                font-size: 1.2rem;
            }
            .web-links-container {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            }
        }