body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; background-color: #f5f5f5; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background-color: #FF9900; color: white; padding: 15px 0; text-align: center; position: relative; }
        .logo { font-size: 28px; font-weight: bold; text-transform: uppercase; letter-spacing: 2px; }
        nav { display: flex; justify-content: center; gap: 20px; margin-top: 10px; }
        nav a { color: white; text-decoration: none; font-weight: bold; }
        .mobile-menu-btn { display: none; position: absolute; right: 20px; top: 15px; background: none; border: none; color: white; font-size: 24px; }
        h1 { color: #FF4500; margin-top: 30px; }
        h2 { color: #FF6347; margin-top: 25px; }
        h3 { color: #FF7F50; margin-top: 20px; }
        .download-btn, .login-btn { display: inline-block; background-color: #4CAF50; color: white; padding: 12px 25px; text-align: center; text-decoration: none; margin: 15px 5px; border-radius: 5px; font-weight: bold; }
        .image-container { text-align: center; margin: 25px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        .table-container { overflow-x: auto; margin: 20px 0; }
        table { width: 100%; border-collapse: collapse; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align: left; }
        th { background-color: #f2f2f2; }
        footer { background-color: #333; color: white; text-align: center; padding: 20px 0; margin-top: 30px; }
        @media (max-width: 768px) {
            nav { flex-direction: column; align-items: center; display: none; }
            .mobile-menu-btn { display: block; }
            .nav-active { display: flex; }
            .container { padding: 10px; }
        }