:root {
            --primary-color: #ff6b35;
            --secondary-color: #004e98;
            --accent-color: #ffd166;
            --text-dark: #2d3142;
            --text-light: #f7f7f7;
            --gradient-bg: linear-gradient(135deg, #ff6b35 0%, #004e98 100%);
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: #f8f9fa;
        }
        .logo-text {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            background: var(--gradient-bg);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .navbar {
            background-color: white;
            box-shadow: 0 2px 15px rgba(0,0,0,0.1);
            padding: 15px 0;
        }
        .nav-link {
            font-weight: 600;
            color: var(--text-dark) !important;
            margin: 0 10px;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--primary-color) !important;
            transform: translateY(-2px);
        }
        .hero-section {
            background: var(--gradient-bg);
            color: white;
            padding: 80px 0;
            text-align: center;
            margin-bottom: 40px;
        }
        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        .hero-subtitle {
            font-size: 1.5rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        .content-section {
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.08);
            padding: 40px;
            margin-bottom: 40px;
        }
        h1, h2, h3 {
            color: var(--secondary-color);
            margin-bottom: 25px;
            font-weight: 700;
        }
        h1 {
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 15px;
        }
        h2 {
            border-left: 5px solid var(--primary-color);
            padding-left: 15px;
            margin-top: 40px;
        }
        h3 {
            color: var(--primary-color);
            margin-top: 30px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
        }
        .highlight-text {
            background-color: rgba(255, 214, 102, 0.3);
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid var(--accent-color);
            margin: 25px 0;
        }
        .key-point {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
        }
        .key-point i {
            color: var(--primary-color);
            font-size: 1.5rem;
            margin-right: 15px;
            margin-top: 5px;
        }
        .image-container {
            text-align: center;
            margin: 40px 0;
        }
        .featured-image {
            max-width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            transition: transform 0.3s ease;
        }
        .featured-image:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 15px;
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
        }
        .fact-box {
            background-color: rgba(0, 78, 152, 0.05);
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            border: 1px solid rgba(0, 78, 152, 0.1);
        }
        .fact-title {
            font-weight: 700;
            color: var(--secondary-color);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }
        .fact-title i {
            margin-right: 10px;
            color: var(--primary-color);
        }
        .table-of-contents {
            background-color: rgba(255, 107, 53, 0.05);
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
        }
        .toc-title {
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 20px;
            text-align: center;
        }
        .toc-list {
            list-style-type: none;
            padding-left: 0;
        }
        .toc-list li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .toc-list li:before {
            content: "▶";
            color: var(--primary-color);
            position: absolute;
            left: 0;
        }
        .toc-list a {
            color: var(--text-dark);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .toc-list a:hover {
            color: var(--primary-color);
        }
        footer {
            background-color: var(--secondary-color);
            color: white;
            padding: 40px 0 20px;
            margin-top: 60px;
        }
        .footer-links {
            list-style-type: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: white;
        }
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.2);
            padding-top: 20px;
            margin-top: 30px;
            text-align: center;
            color: rgba(255,255,255,0.7);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.5rem;
            }
            .hero-subtitle {
                font-size: 1.2rem;
            }
            .content-section {
                padding: 25px;
            }
            .logo-text {
                font-size: 1.8rem;
            }
        }
        .keyword-highlight {
            font-weight: 700;
            color: var(--primary-color);
        }
        .quote-box {
            border-left: 5px solid var(--accent-color);
            padding-left: 20px;
            margin: 30px 0;
            font-style: italic;
            color: #555;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-item {
            background: white;
            border-radius: 10px;
            padding: 20px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }
        .stat-item:hover {
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        .stat-label {
            font-weight: 600;
            color: var(--secondary-color);
        }