* { 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: linear-gradient(135deg, #f5f7fa 0%, #e4e8ed 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #2c5aa0; text-decoration: none; transition: color 0.3s ease; }
        a:hover { color: #e63946; }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        .site-header {
            background: linear-gradient(90deg, #1a2a3a, #2c3e50);
            color: #fff;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: #f8c555;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-family: 'Georgia', serif;
        }
        .logo a span { color: #4dabf7; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #ecf0f1;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .main-nav a:hover, .main-nav a:focus {
            background-color: rgba(76, 171, 247, 0.2);
            color: #4dabf7;
        }
        .nav-icons { font-size: 1.1rem; }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            padding: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: #f8c555;
            border-radius: 2px;
            transition: 0.3s;
        }
        .hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .hamburger.active span:nth-child(2) { opacity: 0; }
        .hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 0.5rem;
            color: #6c757d;
        }
        .breadcrumb a { color: #495057; }
        .search-module {
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 2rem 0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #4dabf7;
            border-radius: 50px 0 0 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background: linear-gradient(90deg, #4dabf7, #2c5aa0);
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            transition: opacity 0.3s;
        }
        .search-btn:hover { opacity: 0.9; }
        .main-content {
            flex: 1;
            padding: 2rem 0;
        }
        .article-header { text-align: center; margin-bottom: 3rem; }
        .article-header h1 {
            font-size: 2.8rem;
            color: #1a2a3a;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .meta-info {
            display: flex;
            justify-content: center;
            gap: 2rem;
            color: #6c757d;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }
        .meta-info span { display: flex; align-items: center; gap: 0.5rem; }
        .key-takeaways {
            background: #e7f5ff;
            border-left: 5px solid #4dabf7;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 2.5rem 0;
        }
        .key-takeaways h3 { color: #1a2a3a; margin-bottom: 0.8rem; }
        .key-takeaways ul { padding-left: 1.5rem; }
        .key-takeaways li { margin-bottom: 0.5rem; }
        .article-body { font-size: 1.1rem; }
        .article-body > section {
            margin-bottom: 3rem;
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
        }
        .article-body h2 {
            color: #2c3e50;
            font-size: 2rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #f8c555;
        }
        .article-body h3 {
            color: #1a2a3a;
            font-size: 1.6rem;
            margin: 1.8rem 0 1rem;
        }
        .article-body p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-body emoji { font-size: 1.3em; margin-right: 0.3rem; }
        .highlight {
            background-color: #fff3cd;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #ffc107;
            margin: 1.5rem 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            border-top: 4px solid #4dabf7;
        }
        .stat-card h4 { color: #2c5aa0; margin-bottom: 0.5rem; }
        .stat-card .number {
            font-size: 2.5rem;
            font-weight: 800;
            color: #1a2a3a;
        }
        .featured-image {
            margin: 2.5rem auto;
            max-width: 900px;
            text-align: center;
        }
        .featured-image img {
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            border: 5px solid white;
        }
        .img-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .interactive-section {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 3rem 0;
        }
        .comment-form, .rating-form {
            flex: 1;
            min-width: 300px;
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .form-group { margin-bottom: 1.5rem; }
        label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: #495057; }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus { border-color: #4dabf7; outline: none; }
        textarea { min-height: 150px; resize: vertical; }
        .submit-btn {
            background: linear-gradient(90deg, #20c997, #099268);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 0.7rem;
            transition: opacity 0.3s;
        }
        .submit-btn:hover { opacity: 0.9; }
        .star-rating {
            display: flex;
            gap: 0.5rem;
            margin-top: 0.5rem;
        }
        .star-rating input { display: none; }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
            margin: 0;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label { color: #ffc107; }
        .footer-links {
            background: #2c3e50;
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            padding: 1.2rem;
            border-radius: 6px;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            background: rgba(76, 171, 247, 0.2);
            transform: translateY(-5px);
        }
        .web-link a {
            color: #ecf0f1;
            font-weight: 500;
            display: block;
        }
        .web-link a:hover { color: #f8c555; }
        .site-footer {
            background: #1a2a3a;
            color: #adb5bd;
            text-align: center;
            padding: 2rem 0;
        }
        .copyright { font-size: 0.9rem; margin-top: 1rem; }
        @media (max-width: 992px) {
            .main-nav ul { gap: 1rem; }
            .article-header h1 { font-size: 2.4rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: flex; }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: #2c3e50;
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.4s ease-in-out;
                padding: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav.active { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%); }
            .main-nav ul {
                flex-direction: column;
                align-items: center;
                gap: 1rem;
            }
            .header-container { flex-wrap: wrap; }
            .article-body > section { padding: 1.5rem; }
            .article-header h1 { font-size: 2rem; }
            .stats-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 576px) {
            .meta-info { flex-direction: column; gap: 0.5rem; align-items: center; }
            .search-form { flex-direction: column; }
            .search-input, .search-btn { border-radius: 50px; width: 100%; }
            .search-btn { justify-content: center; padding: 0.9rem; margin-top: 0.5rem; }
        }