body { font-family: 'Arial', sans-serif; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px; color: #333; }
        .logo { font-size: 28px; font-weight: bold; color: #2E86C1; text-align: center; margin: 20px 0; }
        nav { background: #f8f8f8; padding: 15px; border-radius: 5px; margin-bottom: 30px; }
        nav ul { list-style: none; padding: 0; display: flex; justify-content: center; flex-wrap: wrap; }
        nav li { margin: 0 15px; }
        nav a { text-decoration: none; color: #2E86C1; font-weight: 500; }
        .mobile-nav-toggle { display: none; background: #2E86C1; color: white; border: none; padding: 10px; border-radius: 5px; cursor: pointer; }
        h1 { color: #2E86C1; border-bottom: 2px solid #2E86C1; padding-bottom: 10px; }
        h2 { color: #1A5276; margin-top: 30px; }
        h3 { color: #2874A6; }
        .btn { display: inline-block; background: #2E86C1; color: white; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; }
        .img-container { text-align: center; margin: 25px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        .download-section { background: #E8F8F5; padding: 20px; border-radius: 8px; margin: 20px 0; }
        .tags { margin: 20px 0; }
        .tag { background: #D6EAF8; padding: 5px 10px; border-radius: 15px; margin: 5px; display: inline-block; }
        footer { margin-top: 50px; padding: 20px; background: #f0f0f0; border-radius: 5px; }
        @media (max-width: 768px) {
            nav ul { flex-direction: column; align-items: center; display: none; }
            nav.active ul { display: flex; }
            .mobile-nav-toggle { display: block; margin: 0 auto 15px; }
        }