* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #2c3e50;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e74c3c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #2c3e50 0%, #4a6491 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;
            color: white;
            letter-spacing: -1px;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: #e74c3c;
            margin-right: 10px;
            font-size: 2.5rem;
        }
        .logo a:hover {
            color: #ecf0f1;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav li {
            margin-left: 2rem;
        }
        nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            border-bottom: 2px solid transparent;
        }
        nav a:hover {
            border-bottom-color: #e74c3c;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #ecf0f1;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
        }
        .breadcrumb li {
            margin-right: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 0.5rem;
            color: #7f8c8d;
        }
        .breadcrumb a {
            color: #34495e;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
        }
        h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #2980b9;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ecf0f1;
        }
        h3 {
            font-size: 1.6rem;
            color: #16a085;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #8e44ad;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            color: #34495e;
            font-weight: 500;
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-left: 5px solid #e74c3c;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        strong {
            color: #c0392b;
            font-weight: 700;
        }
        blockquote {
            border-left: 4px solid #3498db;
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        .featured-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            border: 1px solid #ddd;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #7f8c8d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        aside {
            background-color: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: 0 6px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-section {
            margin-bottom: 2rem;
        }
        .sidebar-section h3 {
            font-size: 1.4rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #ecf0f1;
        }
        .search-box {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-box input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #bdc3c7;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
            outline: none;
        }
        .search-box input:focus {
            border-color: #3498db;
        }
        .search-box button {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background-color: #2980b9;
        }
        .rating-form, .comment-form {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 1.5rem;
        }
        .rating-form h3, .comment-form h3 {
            margin-top: 0;
        }
        .stars {
            display: flex;
            justify-content: center;
            margin: 1rem 0;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin: 0 0.2rem;
            transition: color 0.2s;
        }
        .stars input:checked ~ label,
        .stars label:hover,
        .stars label:hover ~ label {
            color: #f39c12;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #bdc3c7;
            border-radius: 6px;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: #2ecc71;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.3s;
            width: 100%;
        }
        .submit-btn:hover {
            background-color: #27ae60;
        }
        .footer-links {
            background-color: #34495e;
            padding: 2.5rem 0;
            color: white;
        }
        .web-link {
            display: inline-block;
            margin: 0.5rem 1rem;
            padding: 0.6rem 1.2rem;
            background-color: #4a6491;
            border-radius: 30px;
            transition: all 0.3s;
        }
        .web-link a {
            color: white;
            font-weight: 500;
        }
        .web-link:hover {
            background-color: #e74c3c;
            transform: translateY(-3px);
        }
        footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            text-align: center;
            padding: 2rem 0;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .copyright {
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #2c3e50;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem 0;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            nav.active ul {
                display: flex;
            }
            nav li {
                margin: 0;
                text-align: center;
            }
            nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid #3a506b;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
            .content-wrapper {
                gap: 1.5rem;
            }
        }