* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #1a365d;
            --secondary: #c53030;
            --accent: #ecc94b;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #a0aec0;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --radius: 8px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.8;
            color: var(--dark);
            background-color: var(--light);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary), #2c5282);
            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;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .logo-text {
            font-family: 'Georgia', serif;
            letter-spacing: 1px;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        nav ul {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        nav a:hover, nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent);
        }
        .breadcrumb {
            background-color: #edf2f7;
            padding: 1rem;
            margin: 1rem 0;
            border-radius: var(--radius);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb span {
            color: var(--gray);
        }
        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;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 2.5rem 0 1rem 0;
            padding-top: 1rem;
        }
        h3 {
            color: var(--primary);
            font-size: 1.5rem;
            margin: 1.8rem 0 0.8rem 0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary);
            background-color: #f0f9ff;
            padding: 1.5rem;
            border-left: 5px solid var(--secondary);
            border-radius: var(--radius);
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9db;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            border-left: 4px solid var(--accent);
        }
        .key-point {
            background-color: #f8f9fa;
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: var(--radius);
            border-left: 4px solid var(--primary);
        }
        .key-point i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .image-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: transform 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        blockquote {
            font-style: italic;
            color: var(--primary);
            border-left: 4px solid var(--secondary);
            padding-left: 1.5rem;
            margin: 2rem 0;
            background-color: #fef2f2;
            padding: 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        strong {
            color: var(--secondary);
            font-weight: 700;
        }
        em {
            color: var(--primary);
        }
        aside {
            background: white;
            padding: 1.8rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .search-box {
            margin-bottom: 2rem;
        }
        .search-box input {
            width: 100%;
            padding: 0.9rem;
            border: 2px solid var(--gray);
            border-radius: var(--radius);
            font-size: 1rem;
        }
        .search-box button {
            width: 100%;
            margin-top: 0.8rem;
            padding: 0.9rem;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--secondary);
        }
        .rating-widget, .comment-widget {
            margin-bottom: 2rem;
            padding: 1.5rem;
            background-color: #f8f9fa;
            border-radius: var(--radius);
        }
        .rating-widget h3, .comment-widget h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }
        .stars i {
            font-size: 1.8rem;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover, .stars i.active {
            color: var(--accent);
        }
        .rating-form input, .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 0.8rem;
            border: 1px solid var(--gray);
            border-radius: var(--radius);
        }
        .rating-form button, .comment-form button {
            width: 100%;
            padding: 0.8rem;
            background-color: var(--secondary);
            color: white;
            border: none;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-form button:hover, .comment-form button:hover {
            background-color: #9b2c2c;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.2rem;
            margin: 3rem 0;
            padding: 2rem;
            background-color: #edf2f7;
            border-radius: var(--radius);
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: var(--radius);
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.1);
        }
        .web-link a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: block;
            padding: 0.5rem 0;
        }
        .web-link a:hover {
            color: var(--secondary);
        }
        footer {
            background-color: var(--primary);
            color: white;
            padding: 3rem 2rem;
            text-align: center;
            border-radius: var(--radius) var(--radius) 0 0;
            margin-top: 4rem;
        }
        .copyright {
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: var(--gray);
        }
        @media (max-width: 1024px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.8rem;
                right: 20px;
            }
            nav {
                width: 100%;
                display: none;
                margin-top: 1.5rem;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0.8rem;
            }
            nav a {
                display: block;
                padding: 1rem;
                background-color: rgba(255,255,255,0.1);
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.8rem;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        .interactive {
            cursor: pointer;
            user-select: none;
        }
        .spoiler {
            background-color: #2d3748;
            color: transparent;
            border-radius: var(--radius);
            padding: 1rem;
            margin: 1rem 0;
            transition: var(--transition);
        }
        .spoiler:hover {
            color: white;
        }
        .tooltip {
            position: relative;
            border-bottom: 1px dotted var(--primary);
        }
        .tooltip:hover::after {
            content: attr(data-tooltip);
            position: absolute;
            bottom: 125%;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--dark);
            color: white;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            white-space: nowrap;
            z-index: 10;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 2rem 0;
            background: white;
            box-shadow: var(--shadow);
            border-radius: var(--radius);
            overflow: hidden;
        }
        th, td {
            padding: 1rem;
            text-align: left;
            border-bottom: 1px solid #e2e8f0;
        }
        th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        tr:hover {
            background-color: #f7fafc;
        }