        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #2c3e50;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            min-height: 100vh;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, #1a2980, #26d0ce);
            color: white;
            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;
            padding: 1rem 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(45deg, #ffd89b, #19547b);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            transition: transform 0.3s;
        }
        .logo:hover {
            transform: scale(1.05);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .desktop-nav a:hover,
        .desktop-nav a.active {
            background: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: #1a2980;
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            padding: 0.8rem;
            text-decoration: none;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav a:hover {
            background: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            background: #e9f5ff;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
        }
        .breadcrumb span {
            color: #7f8c8d;
        }
        main {
            padding: 2rem 0;
            background: white;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            margin: 2rem auto;
            overflow: hidden;
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a2980;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #26d0ce;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #2c3e50;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #3498db;
        }
        h3 {
            font-size: 1.6rem;
            color: #34495e;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #2c3e50;
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #3498db;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%);
            padding: 2rem;
            border-radius: 10px;
            margin: 2.5rem 0;
            box-shadow: 0 4px 12px rgba(52, 152, 219, 0.2);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-align: center;
            border-top: 5px solid #26d0ce;
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: #1a2980;
            margin-bottom: 1rem;
        }
        .stat-card h4 {
            font-size: 1.8rem;
            color: #2c3e50;
            margin-bottom: 0.5rem;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin: 2rem auto;
            display: block;
            border: 3px solid #f1f8ff;
        }
        .quote {
            font-style: italic;
            background: #f8f9fa;
            padding: 2rem;
            border-left: 5px solid #e74c3c;
            margin: 2.5rem 0;
            font-size: 1.2rem;
            color: #555;
        }
        .author {
            text-align: right;
            font-weight: bold;
            color: #2c3e50;
            margin-top: 1rem;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 3px;
        }
        .keyword {
            font-weight: 700;
            color: #1a2980;
            background: #e3f2fd;
            padding: 2px 6px;
            border-radius: 3px;
        }
        .interactive-section {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 2.5rem;
            margin: 3rem 0;
            border: 1px solid #e9ecef;
        }
        .interactive-section h3 {
            color: #1a2980;
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #2c3e50;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #3498db;
            outline: none;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        .btn {
            background: linear-gradient(90deg, #1a2980, #26d0ce);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 1rem;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .stars i {
            font-size: 1.8rem;
            color: #f1c40f;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
            padding: 2rem;
            background: #1a2980;
            border-radius: 10px;
        }
        .web-link {
            background: white;
            padding: 0.8rem 1.2rem;
            border-radius: 6px;
            text-align: center;
            transition: all 0.3s;
        }
        .web-link a {
            color: #2c3e50;
            text-decoration: none;
            font-weight: 600;
        }
        .web-link:hover {
            background: #26d0ce;
            transform: translateY(-3px);
        }
        .web-link:hover a {
            color: white;
        }
        footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #4a6572;
            width: 100%;
            font-size: 0.9rem;
            color: #bdc3c7;
        }
        @media (max-width: 768px) {
            html { font-size: 14px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            .header-container { padding: 0.8rem 0; }
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .mobile-nav { display: none; }
            .mobile-nav.active { display: flex; }
            .stats-grid { grid-template-columns: 1fr; }
            .web-links { grid-template-columns: 1fr; }
            article { padding: 0 1rem; }
            .interactive-section { padding: 1.5rem; }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .container { max-width: 95%; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }
