:root {
            --primary: #1a237e;
            --secondary: #ffab00;
            --accent: #c2185b;
            --dark: #0d1117;
            --light: #f5f7fa;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            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: var(--light);
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Trebuchet MS', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--secondary);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo span {
            color: white;
        }
        .search-form {
            display: flex;
            flex-grow: 1;
            max-width: 500px;
            margin: 0 2rem;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.75rem 1rem;
            border: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-btn {
            background-color: var(--accent);
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #a31545;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .main-nav {
            margin-top: 1rem;
        }
        .nav-list {
            display: flex;
            list-style: none;
            background-color: rgba(255, 255, 255, 0.08);
            border-radius: var(--border-radius);
            padding: 0.5rem;
        }
        .nav-item {
            margin: 0 0.25rem;
        }
        .nav-link {
            display: block;
            padding: 0.75rem 1.25rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 0.95rem;
        }
        .nav-link:hover, .nav-link.active {
            background-color: var(--secondary);
            color: var(--dark);
        }
        .breadcrumb {
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #ccc;
        }
        .breadcrumb a:hover {
            color: var(--secondary);
        }
        .breadcrumb i {
            margin: 0 0.5rem;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2.5rem 0;
        }
        article {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }
        h2, h3, h4 {
            color: var(--primary);
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h2 {
            font-size: 2rem;
            border-left: 5px solid var(--accent);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.6rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary);
            background-color: #e8eaf6;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
            border-left: 4px solid var(--secondary);
        }
        .highlight {
            background-color: #fff9c4;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .img-container {
            margin: 2rem 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            border: 5px solid white;
        }
        .caption {
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 0.5rem;
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid var(--secondary);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: var(--dark);
            background-color: #f5f5f5;
            padding: 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .related-links {
            background-color: #e3f2fd;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .related-links h3 {
            margin-top: 0;
            color: var(--accent);
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin-top: 1rem;
        }
        .link-card {
            background-color: white;
            padding: 1rem;
            border-radius: var(--border-radius);
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .link-card i {
            color: var(--accent);
            margin-right: 0.5rem;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: var(--border-radius);
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--secondary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ddd;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars .active {
            color: #ffc107;
        }
        .rating-form input, .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 0.75rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
        }
        .rating-form button, .comment-form button {
            width: 100%;
            padding: 0.9rem;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover, .comment-form button:hover {
            background-color: #151f6d;
        }
        .update-info {
            background-color: #e8f5e9;
            padding: 1rem;
            border-radius: var(--border-radius);
            font-size: 0.9rem;
            color: #2e7d32;
        }
        .site-footer {
            background-color: var(--dark);
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        .footer-links h3 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.75rem;
        }
        .footer-links a:hover {
            color: var(--secondary);
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .search-form {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
                margin: 1rem 0 0;
            }
            h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .main-nav {
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
            }
            .nav-item {
                margin: 0.25rem 0;
            }
            .header-top {
                flex-wrap: wrap;
            }
            article {
                padding: 1.5rem;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }