:root {
            --primary-color: #1a365d;
            --secondary-color: #2d3748;
            --accent-color: #e53e3e;
            --success-color: #38a169;
            --light-bg: #f7fafc;
            --dark-text: #2d3748;
            --light-text: #718096;
            --border-color: #e2e8f0;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: var(--dark-text);
            background-color: #fff;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 1rem;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:hover {
            color: var(--accent-color);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: var(--transition);
        }
        nav a:hover::after {
            width: 100%;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: white;
        }
        .breadcrumb span {
            color: rgba(255,255,255,0.6);
            margin: 0 5px;
        }
        .hero {
            background: linear-gradient(rgba(26, 54, 93, 0.9), rgba(45, 55, 72, 0.9)), url('data:image/svg+xml;base64,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');
            background-size: cover;
            color: white;
            padding: 4rem 0;
            text-align: center;
            margin-bottom: 3rem;
        }
        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            opacity: 0.9;
        }
        .search-box {
            max-width: 600px;
            margin: 2rem auto;
            background: white;
            border-radius: 50px;
            padding: 5px;
            display: flex;
            box-shadow: var(--shadow);
        }
        .search-box input {
            flex: 1;
            border: none;
            padding: 15px 20px;
            border-radius: 50px;
            font-size: 1rem;
            outline: none;
        }
        .search-box button {
            background: var(--accent-color);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-box button:hover {
            background: #c53030;
        }
        main {
            padding: 2rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: white;
            border-radius: 10px;
            padding: 2rem;
            box-shadow: var(--shadow);
        }
        h1, h2, h3 {
            color: var(--primary-color);
            margin: 1.5rem 0 1rem;
        }
        h1 {
            font-size: 2.2rem;
        }
        h2 {
            font-size: 1.8rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.4rem;
            color: var(--secondary-color);
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(56, 161, 105, 0.1) 0%, rgba(56, 161, 105, 0.2) 100%);
            border-left: 4px solid var(--success-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .stat-card i {
            font-size: 2rem;
            color: var(--accent-color);
            margin-bottom: 1rem;
        }
        .stat-card h4 {
            font-size: 1.1rem;
            margin-bottom: 0.5rem;
        }
        .stat-card .number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-color);
        }
        .featured-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.01);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--light-text);
            margin-top: -1.5rem;
            margin-bottom: 2rem;
        }
        .cta-button {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent-color) 0%, #c53030 100%);
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            margin: 1rem 0;
        }
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(229, 62, 62, 0.3);
        }
        aside {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-widget {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            margin-top: 0;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-color);
        }
        .interactive-section {
            margin: 3rem 0;
            padding: 2rem;
            background: var(--light-bg);
            border-radius: 10px;
        }
        .rating-system {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .star {
            color: #e2e8f0;
            cursor: pointer;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #f6ad55;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 12px;
            margin-bottom: 1rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-family: inherit;
        }
        .comment-form button {
            background: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background: var(--secondary-color);
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin: 3rem 0;
            padding: 2rem;
            background: var(--light-bg);
            border-radius: 10px;
        }
        .web-link {
            background: white;
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            transition: var(--transition);
        }
        .web-link:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .web-link a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
        }
        .web-link a:hover {
            color: var(--accent-color);
        }
        footer {
            background: var(--primary-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: white;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-section a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: var(--transition);
        }
        .footer-section a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            nav ul {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: var(--primary-color);
                flex-direction: column;
                align-items: center;
                padding-top: 2rem;
                transition: var(--transition);
                z-index: 999;
            }
            nav ul.active {
                left: 0;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .hero {
                padding: 2rem 0;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .search-box {
                flex-direction: column;
                border-radius: 10px;
            }
            .search-box input,
            .search-box button {
                border-radius: 10px;
                margin: 5px 0;
            }
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        a:focus,
        button:focus,
        input:focus,
        textarea:focus {
            outline: 3px solid var(--accent-color);
            outline-offset: 2px;
        }
        @media print {
            header, aside, .interactive-section, footer {
                display: none;
            }
            body {
                color: black;
                background: white;
            }
            a {
                color: black;
                text-decoration: underline;
            }
        }