* {
            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: #f8f5f0;
            background-image: linear-gradient(to bottom, #f8f5f0 0%, #e8e0d5 100%);
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #f1c40f;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            font-family: 'Georgia', serif;
        }
        .logo span {
            color: #e74c3c;
        }
        .main-nav {
            display: flex;
            gap: 2rem;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: #f1c40f;
            color: #2c3e50;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: #f1c40f;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #f1c40f;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #34495e;
            padding: 1rem;
            border-radius: 8px;
            margin-top: 1rem;
            position: absolute;
            top: 100%;
            right: 20px;
            width: 250px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 0.8rem;
            border-bottom: 1px solid #4a6572;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .mobile-nav a:hover {
            background-color: #4a6572;
            color: #f1c40f;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #ecf0f1;
            font-size: 0.9rem;
            border-bottom: 1px solid #bdc3c7;
        }
        .breadcrumb a {
            color: #3498db;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #7f8c8d;
        }
        .search-container {
            background-color: #fff;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem auto;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #ddd;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-input:focus {
            border-color: #f1c40f;
        }
        .search-btn {
            background-color: #e74c3c;
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background-color 0.3s;
        }
        .search-btn:hover {
            background-color: #c0392b;
        }
        .main-content {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        .article-container {
            background-color: #fff;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: #7f8c8d;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
        }
        .article-meta i {
            margin-right: 0.5rem;
        }
        .article-body h2 {
            font-size: 2rem;
            color: #2980b9;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #f1c40f;
        }
        .article-body h3 {
            font-size: 1.5rem;
            color: #16a085;
            margin: 2rem 0 1rem;
        }
        .article-body p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .article-body strong {
            color: #e74c3c;
            font-weight: 700;
        }
        .article-body em {
            background-color: #fffacd;
            font-style: italic;
            padding: 0 2px;
        }
        .highlight-box {
            background-color: #f9f9f9;
            border-left: 5px solid #f1c40f;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .feature-image {
            margin: 2.5rem 0;
            text-align: center;
        }
        .feature-image img {
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
            width: 100%;
            max-width: 800px;
            margin: 0 auto;
        }
        .feature-image img:hover {
            transform: scale(1.01);
        }
        .image-caption {
            font-size: 0.9rem;
            color: #7f8c8d;
            margin-top: 0.5rem;
            font-style: italic;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: linear-gradient(135deg, #3498db, #2c3e50);
            color: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(52, 152, 219, 0.2);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            display: block;
        }
        .stat-label {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: #fff;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        .sidebar-widget h3 {
            color: #2c3e50;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f1c40f;
            font-size: 1.3rem;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #f1c40f;
        }
        .rating-submit {
            background-color: #2ecc71;
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .rating-submit:hover {
            background-color: #27ae60;
        }
        .comment-widget textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            min-height: 120px;
            margin-bottom: 1rem;
            resize: vertical;
        }
        .comment-submit {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        .comment-submit:hover {
            background-color: #2980b9;
        }
        .toc-widget ul {
            list-style: none;
            padding-left: 1rem;
        }
        .toc-widget li {
            margin-bottom: 0.7rem;
        }
        .toc-widget a {
            color: #555;
            display: block;
            padding: 0.3rem 0;
            border-left: 3px solid transparent;
            padding-left: 0.5rem;
        }
        .toc-widget a:hover {
            color: #e74c3c;
            border-left-color: #e74c3c;
        }
        .web-links {
            background-color: #fff;
            padding: 2.5rem;
            border-radius: 12px;
            margin: 2.5rem 0;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.06);
        }
        .web-links h2 {
            color: #2c3e50;
            margin-bottom: 1.5rem;
            text-align: center;
        }
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .web-link {
            background-color: #f8f9fa;
            padding: 1rem;
            border-radius: 8px;
            border-left: 4px solid #3498db;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background-color: #e3f2fd;
            transform: translateX(5px);
        }
        .web-link a {
            color: #2c3e50;
            font-weight: 600;
        }
        .web-link a:hover {
            color: #e74c3c;
        }
        .site-footer {
            background-color: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-col {
            flex: 1;
            min-width: 250px;
        }
        .footer-col h3 {
            color: #f1c40f;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 0.8rem;
        }
        .footer-col a:hover {
            color: #f1c40f;
            padding-left: 5px;
        }
        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: #34495e;
            border-radius: 50%;
            font-size: 1.2rem;
        }
        .social-links a:hover {
            background-color: #f1c40f;
            color: #2c3e50;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4a6572;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .article-header h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .article-header h1 {
                font-size: 2rem;
            }
            .article-body h2 {
                font-size: 1.7rem;
            }
            .article-body h3 {
                font-size: 1.3rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 50px;
                margin-bottom: 1rem;
            }
            .search-btn {
                border-radius: 50px;
                padding: 0.9rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .article-container {
                padding: 1.5rem;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            .footer-container {
                flex-direction: column;
            }
        }