* { 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: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: #2c7ac9; transition: color 0.3s; }
        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;
        }
        header {
            background: linear-gradient(135deg, #1a2980 0%, #26d0ce 100%);
            color: white;
            padding: 1.2rem 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: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a:hover { color: #ffd166; }
        .logo i { color: #ffd166; }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        .desktop-nav a:hover, .desktop-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffd166;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background-color: #1a2980;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 5px 10px rgba(0,0,0,0.2);
        }
        .mobile-nav.active { display: block; }
        .mobile-nav ul { list-style: none; }
        .mobile-nav li { margin: 1rem 0; }
        .mobile-nav a {
            color: white;
            font-weight: 600;
            display: block;
            padding: 0.8rem;
            border-radius: 5px;
        }
        .mobile-nav a:hover { background-color: rgba(255, 255, 255, 0.1); }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a { color: #495057; }
        .breadcrumb a:hover { color: #1a2980; }
        .search-bar {
            background-color: #e9f5ff;
            padding: 2rem 0;
            text-align: center;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }
        .search-form input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-form button {
            background-color: #e63946;
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-form button:hover { background-color: #d00000; }
        main { padding: 2rem 0; }
        article {
            background-color: white;
            border-radius: 12px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a2980;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: #264653;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #ffd166;
        }
        h3 {
            font-size: 1.8rem;
            color: #2a9d8f;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: #555;
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-left: 5px solid #26d0ce;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff3cd;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 5px solid #ffc107;
            margin: 2rem 0;
        }
        .highlight strong { color: #856404; }
        .figure {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 800px;
        }
        .figure img {
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            border: 1px solid #ddd;
        }
        .figcaption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        ul, ol { margin: 1.5rem 0 1.5rem 2rem; }
        li { margin-bottom: 0.8rem; }
        .emoji { font-size: 1.2em; margin-right: 5px; }
        .keywords { font-weight: 700; color: #e63946; }
        .link-intext {
            background-color: #e9f5ff;
            padding: 2px 6px;
            border-radius: 4px;
        }
        .link-intext:hover { background-color: #cce0ff; }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-card {
            background: linear-gradient(145deg, #ffffff, #f0f0f0);
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            box-shadow: 5px 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        .stat-card:hover { transform: translateY(-5px); }
        .stat-card i { font-size: 2.5rem; color: #2a9d8f; margin-bottom: 1rem; }
        .stat-card h4 { font-size: 1.5rem; color: #264653; margin-bottom: 0.5rem; }
        .user-interaction {
            background-color: #f8f9fa;
            border-radius: 12px;
            padding: 2.5rem;
            margin: 3rem 0;
            border-top: 5px solid #1a2980;
        }
        .interaction-title {
            font-size: 1.8rem;
            color: #1a2980;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            max-width: 600px;
            margin-top: 1.5rem;
        }
        .stars {
            display: flex;
            gap: 5px;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
        }
        .stars i { transition: transform 0.2s; }
        .stars i:hover { transform: scale(1.2); }
        .form-group { display: flex; flex-direction: column; }
        .form-group label { font-weight: 600; margin-bottom: 0.5rem; }
        .form-control {
            padding: 0.9rem;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #1a2980;
            box-shadow: 0 0 0 3px rgba(26, 41, 128, 0.2);
        }
        textarea.form-control { min-height: 150px; resize: vertical; }
        .btn {
            background-color: #2a9d8f;
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
            align-self: flex-start;
        }
        .btn:hover { background-color: #21867a; }
        .footer-links {
            background-color: #264653;
            padding: 3rem 0;
            color: #f1faee;
        }
        .web-link {
            display: inline-block;
            margin: 0.8rem 1rem;
            padding: 0.6rem 1.2rem;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 30px;
            transition: all 0.3s;
        }
        .web-link a { color: #a8dadc; }
        .web-link:hover {
            background-color: #2a9d8f;
            transform: translateY(-3px);
        }
        .web-link:hover a { color: white; }
        footer {
            background-color: #1d3557;
            color: white;
            text-align: center;
            padding: 2rem 0;
        }
        .copyright {
            font-size: 0.95rem;
            color: #a8dadc;
            margin-top: 1rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            article { padding: 2rem; }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-toggle { display: block; }
            .header-container { padding: 0 15px; }
            .logo a { font-size: 1.8rem; }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            article { padding: 1.5rem; }
            .search-form { flex-direction: column; border-radius: 8px; }
            .search-form input, .search-form button { width: 100%; border-radius: 0; padding: 1rem; }
            .stats-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 480px) {
            .breadcrumb li { font-size: 0.85rem; }
            .user-interaction { padding: 1.5rem; }
        }