:root {
            --primary: #1a237e;
            --secondary: #ff6f00;
            --accent: #4caf50;
            --light: #f5f5f5;
            --dark: #121212;
            --gray: #757575;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--dark);
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background: linear-gradient(90deg, var(--primary) 0%, #283593 100%);
            color: white;
            padding: 1.5rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--secondary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
        }
        .my-logo:hover {
            transform: scale(1.05);
            color: white;
        }
        .my-logo i {
            font-size: 2rem;
        }
        nav {
            flex: 1;
            display: flex;
            justify-content: flex-end;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a:hover,
        .nav-links a.active {
            background: var(--secondary);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--gray);
            border-bottom: 1px solid #e0e0e0;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-container {
            max-width: 600px;
            margin: 2rem auto;
            padding: 1.5rem;
            background: white;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #ddd;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-btn:hover {
            background: var(--secondary);
            transform: scale(1.05);
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--secondary);
            padding-left: 1.5rem;
        }
        h2 {
            color: var(--primary);
            font-size: 2rem;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            color: var(--secondary);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--gray);
            font-size: 1.3rem;
            margin: 1.5rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--dark);
            background: linear-gradient(90deg, #e3f2fd 0%, transparent 100%);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .highlight {
            background: linear-gradient(90deg, #fff8e1 0%, #ffecb3 100%);
            padding: 1.5rem;
            border-left: 4px solid var(--secondary);
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .data-point {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: bold;
            margin: 0 5px;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        .featured-image {
            width: 100%;
            height: 400px;
            object-fit: cover;
            border-radius: var(--radius);
            margin: 2rem 0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -1.5rem;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .content-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--secondary);
            transition: var(--transition);
        }
        .content-link:hover {
            color: var(--secondary);
            border-bottom-style: solid;
            background: #f3e5f5;
            padding: 2px 4px;
            border-radius: 3px;
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-section {
            margin-bottom: 2rem;
        }
        .sidebar-title {
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #eee;
        }
        .related-links a {
            color: var(--dark);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--secondary);
            transform: translateX(5px);
        }
        .rating-section,
        .comment-section {
            background: white;
            padding: 2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin: 2.5rem 0;
        }
        .rating-form,
        .comment-form {
            display: grid;
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating .star {
            transition: var(--transition);
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: var(--secondary);
            transform: scale(1.2);
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        label {
            font-weight: 600;
            color: var(--primary);
        }
        input,
        textarea,
        select {
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 35, 126, 0.1);
        }
        .submit-btn {
            background: linear-gradient(90deg, var(--primary) 0%, #3949ab 100%);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            width: fit-content;
        }
        .submit-btn:hover {
            background: linear-gradient(90deg, var(--secondary) 0%, #ff9100 100%);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255, 111, 0, 0.3);
        }
        footer {
            background: linear-gradient(90deg, var(--dark) 0%, #263238 100%);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--secondary);
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
        }
        friend-link {
            display: block;
            margin: 1rem 0;
        }
        friend-link a {
            color: #bbdefb;
            text-decoration: none;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link a:hover {
            color: white;
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #455a64;
            color: #b0bec5;
            font-size: 0.9rem;
        }
        .last-updated {
            background: #e8f5e9;
            padding: 1rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 0.95rem;
        }
        .last-updated i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
            }
            .my-logo {
                justify-content: center;
            }
            nav {
                justify-content: center;
            }
            .nav-links {
                flex-direction: column;
                display: none;
                width: 100%;
            }
            .nav-links.active {
                display: flex;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 1rem;
            }
            h1 {
                font-size: 2.2rem;
                padding-left: 1rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            article {
                padding: 1.5rem;
            }
            .featured-image {
                height: 250px;
            }
        }
        @media (max-width: 480px) {
            body {
                padding: 0 10px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-btn {
                justify-content: center;
            }
            h1 {
                font-size: 1.8rem;
            }
            .lead {
                font-size: 1.1rem;
                padding: 1rem;
            }
        }
        @media print {
            header, footer, .search-container, .rating-section, .comment-section, aside {
                display: none;
            }
            body {
                background: white;
                color: black;
                max-width: 100%;
                padding: 0;
            }
            article {
                box-shadow: none;
                padding: 0;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }