body { font-family: 'Arial', sans-serif; line-height: 1.6; margin: 0; padding: 0; color: #333; background: #f9f9f9; }
        header { background: #ff6b35; color: white; padding: 1rem; text-align: center; }
        .logo { font-size: 2rem; font-weight: bold; margin-bottom: 0.5rem; }
        nav { display: flex; justify-content: center; gap: 1.5rem; }
        nav a { color: white; text-decoration: none; }
        .mobile-menu { display: none; position: absolute; top: 10px; right: 10px; }
        @media (max-width: 768px) {
            nav { display: none; flex-direction: column; position: absolute; top: 60px; right: 10px; background: #ff6b35; padding: 1rem; }
            .mobile-menu { display: block; }
            .mobile-menu.active + nav { display: flex; }
        }
        main { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; }
        h1, h2, h3 { color: #ff6b35; margin: 1.5rem 0 0.5rem; }
        h1 { font-size: 2.2rem; }
        h2 { font-size: 1.8rem; }
        h3 { font-size: 1.5rem; }
        .btn { display: inline-block; background: #ff6b35; color: white; padding: 0.8rem 1.5rem; margin: 0.5rem 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .download-section { background: #fff9f0; padding: 1.5rem; margin: 1.5rem 0; border-left: 5px solid #ff6b35; }
        .stats { display: flex; flex-wrap: wrap; gap: 1rem; margin: 1rem 0; }
        .stat-box { background: white; padding: 1rem; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); flex: 1; min-width: 200px; }
        img { max-width: 100%; height: auto; margin: 1rem 0; border-radius: 5px; }
        footer { background: #333; color: white; padding: 2rem; text-align: center; }
        .copyright { margin-top: 1rem; font-size: 0.9rem; }