:root {
            --primary: #FF6B35;
            --secondary: #004E89;
            --accent: #00A6A6;
            --dark: #1A1A2E;
            --light: #F8F9FA;
            --gray: #6C757D;
            --success: #28A745;
            --warning: #FFC107;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --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: #333;
            background-color: #fefefe;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: #e55a2b;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .btn-secondary {
            background: var(--secondary);
        }
        .btn-secondary:hover {
            background: #003c6d;
        }
        header {
            background: var(--dark);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .logo span {
            color: white;
        }
        .desktop-nav ul {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            font-weight: 500;
            padding: 5px 0;
            position: relative;
        }
        .desktop-nav a:hover {
            color: var(--primary);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .mobile-nav {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background: var(--dark);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
            box-shadow: var(--shadow);
        }
        .mobile-nav.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav ul {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .mobile-nav a {
            display: block;
            padding: 10px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-size: 1.1rem;
        }
        .mobile-nav a:hover {
            color: var(--primary);
            padding-left: 15px;
        }
        .breadcrumb {
            background: rgba(255,255,255,0.05);
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .hero {
            background: linear-gradient(135deg, var(--dark) 0%, #2a2a4e 100%);
            color: white;
            padding: 60px 0;
            text-align: center;
        }
        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #ccc;
        }
        .hero-badges {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-top: 30px;
        }
        .badge {
            background: rgba(255,255,255,0.1);
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .badge i {
            color: var(--accent);
        }
        main {
            padding: 50px 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-content h1 {
            font-size: 2.5rem;
            color: var(--dark);
            margin-bottom: 25px;
            line-height: 1.3;
        }
        .article-content h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .article-content h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin: 30px 0 15px;
        }
        .article-content p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .article-content ul, .article-content ol {
            margin-left: 25px;
            margin-bottom: 20px;
        }
        .article-content li {
            margin-bottom: 10px;
            position: relative;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding-left: 20px;
            margin: 25px 0;
            font-style: italic;
            color: var(--gray);
            background: rgba(255,107,53,0.05);
            padding: 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .highlight-box {
            background: linear-gradient(135deg, #004E89 0%, #00A6A6 100%);
            color: white;
            padding: 25px;
            border-radius: var(--radius);
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .highlight-box h3 {
            color: white;
            margin-top: 0;
        }
        .feature-img {
            margin: 30px 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            position: relative;
        }
        .feature-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .feature-img:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            padding: 10px 15px;
            background: rgba(0,0,0,0.7);
            color: white;
            font-size: 0.9rem;
            text-align: center;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: white;
            border-radius: var(--radius);
            padding: 20px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
            border-top: 4px solid var(--primary);
        }
        .stat-card:hover {
            transform: translateY(-10px);
        }
        .stat-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        .stat-card h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
            border: 1px solid #eee;
        }
        .sidebar-widget h3 {
            color: var(--secondary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
            font-size: 1.4rem;
        }
        .search-box {
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 14px 20px;
            border: 2px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-box input:focus {
            border-color: var(--primary);
            outline: none;
        }
        .search-box button {
            position: absolute;
            right: 5px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--primary);
            color: white;
            border: none;
            border-radius: var(--radius);
            width: 40px;
            height: 40px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: #e55a2b;
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 20px 0;
        }
        .rating-widget .stars i {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-widget .stars i:hover,
        .rating-widget .stars i.active {
            color: var(--warning);
        }
        .rating-widget .btn {
            width: 100%;
        }
        .toc ul {
            margin-left: 15px;
        }
        .toc li {
            margin-bottom: 10px;
            padding-left: 10px;
            position: relative;
        }
        .toc li::before {
            content: '▸';
            position: absolute;
            left: -10px;
            color: var(--primary);
        }
        .toc a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .comments-section {
            margin-top: 60px;
        }
        .comment-form {
            background: white;
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        .comment-form h3 {
            margin-bottom: 20px;
            color: var(--dark);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 2px solid #ddd;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--primary);
            outline: none;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment {
            display: flex;
            gap: 20px;
            padding: 25px;
            background: white;
            border-radius: var(--radius);
            margin-bottom: 25px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .comment:hover {
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .comment-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--secondary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: bold;
            flex-shrink: 0;
        }
        .comment-body h4 {
            color: var(--dark);
            margin-bottom: 5px;
        }
        .comment-meta {
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 10px;
            display: flex;
            gap: 15px;
        }
        .comment-meta i {
            color: var(--primary);
        }
        .web-links {
            background: var(--light);
            padding: 40px 0;
            border-top: 1px solid #eee;
            border-bottom: 1px solid #eee;
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            padding: 15px;
            background: white;
            border-radius: var(--radius);
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
            background: var(--primary);
            color: white;
        }
        .web-link a {
            display: block;
            font-weight: 500;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 15px;
            display: block;
        }
        .footer-about p {
            color: #aaa;
            margin-bottom: 20px;
        }
        .social-links {
            display: flex;
            gap: 15px;
        }
        .social-links a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .social-links a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links ul li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #aaa;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-top {
                padding: 12px 0;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .article-content h1 {
                font-size: 2rem;
            }
            .article-content h2 {
                font-size: 1.7rem;
            }
            .content-grid {
                gap: 30px;
            }
            .comment {
                flex-direction: column;
            }
            .comment-avatar {
                align-self: flex-start;
            }
        }
        @media (max-width: 480px) {
            .hero-badges {
                flex-direction: column;
                align-items: center;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .web-links-grid {
                grid-template-columns: 1fr;
            }
        }
        .text-center { text-align: center; }
        .mb-20 { margin-bottom: 20px; }
        .mb-30 { margin-bottom: 30px; }
        .mt-40 { margin-top: 40px; }
        .highlight { background: rgba(255,107,53,0.1); padding: 3px 6px; border-radius: 4px; font-weight: 600; }
        .emoji { font-size: 1.2em; }