:root {
            --primary-color: #1a5fb4;
            --secondary-color: #e95420;
            --accent-color: #f8b739;
            --text-dark: #333333;
            --text-light: #666666;
            --bg-light: #f9f9f9;
            --border-color: #e0e0e0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            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: var(--text-dark);
            background-color: #ffffff;
            max-width: 100vw;
            overflow-x: hidden;
        }
        .header {
            background: linear-gradient(135deg, var(--primary-color), #0d4a9c);
            color: white;
            padding: 1rem 2rem;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo a {
            color: white;
            text-decoration: none;
            font-size: 1.8rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .logo span {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .nav-desktop a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--primary-color);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: var(--shadow);
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }
        .nav-mobile a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            padding-left: 1.5rem;
        }
        .breadcrumb {
            background-color: var(--bg-light);
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
                padding: 1.5rem;
            }
        }
        .main-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .sidebar {
                order: -1;
            }
        }
        .widget {
            background-color: white;
            padding: 1.8rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .widget-title {
            color: var(--primary-color);
            margin-bottom: 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--accent-color);
            font-size: 1.3rem;
        }
        .search-form {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid var(--border-color);
            border-right: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .search-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .search-btn:hover {
            background-color: #0d4a9c;
        }
        article {
            line-height: 1.8;
        }
        h1 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
        }
        h2 {
            color: var(--secondary-color);
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
            font-size: 1.8rem;
        }
        h3 {
            color: var(--text-dark);
            margin: 2rem 0 1rem;
            font-size: 1.4rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            color: var(--text-dark);
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary-color);
            background-color: var(--bg-light);
            padding: 1.5rem;
            border-left: 4px solid var(--accent-color);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fff9e6;
            padding: 1.8rem;
            border-radius: var(--radius);
            border: 1px dashed var(--accent-color);
            margin: 2rem 0;
        }
        .highlight strong {
            color: var(--secondary-color);
        }
        .download-box {
            background: linear-gradient(to right, #e6f2ff, #ffe6e6);
            padding: 2rem;
            border-radius: var(--radius);
            text-align: center;
            margin: 2.5rem 0;
            border: 2px solid var(--primary-color);
        }
        .download-btn {
            display: inline-block;
            background-color: var(--secondary-color);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.2rem;
            margin-top: 1rem;
            transition: var(--transition);
            box-shadow: 0 4px 10px rgba(233, 84, 32, 0.3);
        }
        .download-btn:hover {
            background-color: #d24317;
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(233, 84, 32, 0.4);
        }
        .img-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        .caption {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 0.5rem;
            font-style: italic;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        a.related-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 1px dotted var(--primary-color);
            transition: var(--transition);
        }
        a.related-link:hover {
            color: var(--secondary-color);
            border-bottom-style: solid;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background-color: var(--bg-light);
            padding: 1.5rem;
            border-radius: var(--radius);
            border-left: 4px solid var(--primary-color);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .stat-card h4 {
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }
        .stat-card p {
            margin-bottom: 0;
            font-size: 0.95rem;
        }
        .quote {
            font-style: italic;
            color: var(--text-light);
            border-left: 3px solid var(--accent-color);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-size: 1.1rem;
        }
        .comment-form, .rating-form {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 2px solid var(--border-color);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--text-dark);
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.9rem 1.2rem;
            border: 2px solid var(--border-color);
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.1);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            direction: rtl;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star:hover ~ .star {
            color: #ffc107;
        }
        .star.active {
            color: #ffc107;
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: var(--radius);
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background-color: #0d4a9c;
            transform: translateY(-2px);
        }
        .footer {
            background-color: #2a2a2a;
            color: #ccc;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }
        .footer-logo a {
            color: white;
            text-decoration: none;
        }
        .footer-logo span {
            color: var(--accent-color);
        }
        .footer-title {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #444;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }
        .friend-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
            padding: 0.3rem 0;
        }
        .friend-links a:hover {
            color: var(--accent-color);
            padding-left: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #444;
            color: #888;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .bold { font-weight: 800; }
        .emoji { font-size: 1.2em; }
        .flex { display: flex; }
        .gap-1 { gap: 1rem; }