* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #4a6fa5;
            --secondary-color: #e76f51;
            --accent-color: #2a9d8f;
            --light-color: #f8f9fa;
            --dark-color: #264653;
            --gray-color: #6c757d;
            --text-color: #333;
            --shadow: 0 4px 12px rgba(0,0,0,0.08);
            --transition: all 0.3s ease;
            --border-radius: 8px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--light-color);
            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;
        }
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary-color);
        }
        .logo span {
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        .nav-desktop a {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .nav-desktop a:hover {
            background-color: var(--primary-color);
            color: white;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark-color);
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--light-color);
            padding: 20px;
            border-top: 1px solid #eee;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            text-decoration: none;
            color: var(--dark-color);
            padding: 12px 0;
            border-bottom: 1px solid #eee;
            font-weight: 600;
        }
        .nav-mobile a:hover {
            color: var(--primary-color);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f1f5f9;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            margin: 0 8px;
            color: var(--gray-color);
        }
        main {
            padding: 40px 0;
        }
        article {
            max-width: 900px;
            margin: 0 auto 50px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--dark-color);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            color: var(--gray-color);
            font-size: 0.9rem;
        }
        .article-meta i {
            margin-right: 5px;
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.4rem;
            color: var(--dark-color);
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9db;
            border-left: 4px solid #ffd43b;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .quote {
            font-style: italic;
            color: var(--gray-color);
            border-left: 3px solid var(--accent-color);
            padding-left: 20px;
            margin: 25px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background-color: var(--light-color);
            padding: 25px;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-card h4 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        .stat-card p {
            color: var(--gray-color);
            margin-bottom: 0;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            margin: 30px auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray-color);
            padding: 10px;
            background-color: #f8f9fa;
        }
        .interactive-section {
            background-color: #f8f9fa;
            padding: 40px;
            border-radius: var(--border-radius);
            margin: 50px 0;
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 40px;
        }
        .section-title {
            font-size: 1.5rem;
            color: var(--dark-color);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title i {
            color: var(--secondary-color);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-row {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .form-group {
            flex: 1;
            min-width: 250px;
        }
        label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(74, 111, 165, 0.1);
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        button, .btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        button:hover, .btn:hover {
            background-color: var(--dark-color);
            transform: translateY(-2px);
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: #ffc107;
        }
        .footer-links {
            background-color: var(--dark-color);
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }
        .web-link {
            background-color: rgba(255,255,255,0.05);
            padding: 15px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .web-link a {
            color: #e9ecef;
            text-decoration: none;
            display: block;
        }
        .web-link a:hover {
            color: white;
        }
        footer {
            background-color: #1a252f;
            color: #adb5bd;
            padding: 40px 0 20px;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .copyright {
            font-size: 0.9rem;
            border-top: 1px solid #2c3e50;
            padding-top: 20px;
            width: 100%;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .interactive-section {
                padding: 30px;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-desktop {
                display: none;
            }
            h1 {
                font-size: 1.8rem;
            }
            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .interactive-section {
                padding: 20px;
            }
            .form-row {
                flex-direction: column;
            }
            .form-group {
                min-width: 100%;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            .logo {
                font-size: 1.5rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            .stat-card {
                padding: 20px;
            }
        }
        a:focus, button:focus, input:focus, textarea:focus, select:focus {
            outline: 2px solid var(--primary-color);
            outline-offset: 2px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }