:root {
            --primary: #4a6fa5; 
            --secondary: #ff9f1c; 
            --accent: #6bcf7f; 
            --dark: #2d3047; 
            --light: #f8f9fa;
            --text: #333333;
            --text-light: #666666;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border-radius: 12px;
        }
        * {
            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: var(--text);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid #eee;
        }
        .my-logo {
            font-family: 'Comic Sans MS', cursive, sans-serif;
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: var(--secondary); }
        .search-form {
            display: flex;
            max-width: 400px;
            flex-grow: 1;
            margin: 0 30px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 12px 20px;
            border: 2px solid var(--primary);
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
        }
        .search-form button:hover { background: var(--dark); }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.8rem;
            color: var(--primary);
            cursor: pointer;
        }
        .main-nav {
            background: var(--dark);
        }
        .nav-list {
            display: flex;
            justify-content: center;
        }
        .nav-list li { position: relative; }
        .nav-list a {
            color: white;
            padding: 18px 22px;
            display: inline-block;
            font-weight: 600;
        }
        .nav-list a:hover {
            background-color: var(--primary);
            color: white;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #f5f7fa;
            font-size: 0.9rem;
        }
        .breadcrumb a { color: var(--primary); }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        article { grid-column: 1; }
        .article-header { margin-bottom: 40px; }
        h1 {
            font-size: 3.2rem;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px dashed #ddd;
        }
        .hero-image {
            margin: 30px 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .hero-image img {
            width: 100%;
            height: auto;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary);
            margin: 45px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--secondary);
        }
        h3 {
            font-size: 1.7rem;
            color: var(--dark);
            margin: 35px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(120deg, #ff9f1c20, #4a6fa520);
            border-left: 5px solid var(--secondary);
            padding: 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 30px 0;
        }
        .inline-link {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 2px dotted var(--primary);
        }
        .inline-link:hover {
            color: var(--secondary);
            border-bottom-style: solid;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
            text-align: center;
            border-top: 5px solid var(--accent);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        aside {
            grid-column: 2;
        }
        @media (max-width: 992px) {
            aside { grid-column: 1; }
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: var(--dark);
            border-bottom: 2px solid var(--accent);
            padding-bottom: 10px;
        }
        .related-links li {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
        }
        .related-links li:last-child { border-bottom: none; }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
        }
        .related-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .interactive-section {
            background: #f8f9fa;
            border-radius: var(--border-radius);
            padding: 30px;
            margin: 50px 0;
            border: 1px solid #e9ecef;
        }
        .rating-widget, .comment-form {
            margin-bottom: 40px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active { color: #ffc107; }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 14px;
            border: 2px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.2);
        }
        .btn {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 14px 30px;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--dark);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
        }
        .site-footer {
            background: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: white;
            margin-bottom: 20px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
        }
        .friend-links a {
            background: rgba(255, 255, 255, 0.1);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
        }
        .friend-links a:hover {
            background: var(--primary);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .header-top { flex-wrap: wrap; }
            .search-form {
                order: 3;
                width: 100%;
                margin: 20px 0 0;
            }
            .mobile-menu-btn { display: block; }
            .main-nav { display: none; }
            .main-nav.active { display: block; }
            .nav-list { flex-direction: column; }
            h1 { font-size: 2.5rem; }
            h2 { font-size: 1.9rem; }
            .article-meta { flex-direction: column; gap: 10px; }
            .stats-grid { grid-template-columns: 1fr; }
        }