:root {
            --primary-color: #ff6b35;
            --secondary-color: #1e3a8a;
            --accent-color: #f59e0b;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --bg-light: #f8fafc;
        }
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            line-height: 1.7;
            color: var(--text-dark);
            background-color: var(--bg-light);
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.8rem;
            color: var(--primary-color) !important;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
        }
        .hero-section {
            background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
            color: white;
            padding: 4rem 0;
            margin-bottom: 3rem;
            border-radius: 0 0 2rem 2rem;
        }
        .content-section {
            background: white;
            border-radius: 1rem;
            padding: 2.5rem;
            margin-bottom: 2rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        .content-section:hover {
            transform: translateY(-5px);
        }
        h1, h2, h3 {
            color: var(--secondary-color);
            margin-bottom: 1.5rem;
            font-weight: 700;
        }
        h1 {
            font-size: 2.8rem;
            color: white;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        h2 {
            border-left: 5px solid var(--primary-color);
            padding-left: 1rem;
            margin-top: 2.5rem;
        }
        h3 {
            color: var(--primary-color);
            margin-top: 2rem;
        }
        .keyword-highlight {
            background: linear-gradient(120deg, var(--accent-color) 0%, var(--accent-color) 100%);
            background-repeat: no-repeat;
            background-size: 100% 0.3em;
            background-position: 0 88%;
            font-weight: 700;
            padding: 0.1rem 0.2rem;
        }
        .featured-image {
            border-radius: 1rem;
            overflow: hidden;
            margin: 2rem 0;
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        .nav-pills .nav-link.active {
            background-color: var(--primary-color);
            font-weight: 600;
        }
        .nav-pills .nav-link {
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }
        .fact-box {
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            border-left: 4px solid var(--secondary-color);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 0.5rem 0.5rem 0;
        }
        .icon-list li {
            margin-bottom: 0.8rem;
            display: flex;
            align-items: flex-start;
        }
        .icon-list i {
            color: var(--primary-color);
            margin-right: 0.8rem;
            margin-top: 0.2rem;
        }
        footer {
            background-color: var(--secondary-color);
            color: white;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 2.5rem 0;
                border-radius: 0 0 1rem 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            .content-section {
                padding: 1.5rem;
            }
        }
        .content-paragraph {
            margin-bottom: 1.8rem;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.5rem;
            border-radius: 0.75rem;
            text-align: center;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            border-top: 4px solid var(--primary-color);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .timeline {
            position: relative;
            padding-left: 2rem;
            margin: 2rem 0;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--primary-color);
        }
        .timeline-item {
            position: relative;
            margin-bottom: 2rem;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -2rem;
            top: 0.5rem;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--secondary-color);
            border: 2px solid white;
            box-shadow: 0 0 0 3px var(--primary-color);
        }