body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background: linear-gradient(135deg, #FF6B35, #FF4E50); color: white; padding: 20px; border-radius: 10px; margin-bottom: 30px; }
        .logo { font-size: 28px; font-weight: bold; letter-spacing: 1px; }
        nav { display: flex; justify-content: space-between; align-items: center; }
        .mobile-menu { display: none; }
        @media (max-width: 768px) {
            .desktop-menu { display: none; }
            .mobile-menu { display: block; }
        }
        h1 { color: #FF4E50; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #333; border-left: 4px solid #FF6B35; padding-left: 10px; margin: 25px 0 15px; }
        h3 { color: #555; }
        .btn { display: inline-block; background: #FF6B35; color: white; padding: 10px 20px; margin: 10px 0; border-radius: 5px; text-decoration: none; font-weight: bold; }
        .download-btn { background: #28A745; }
        .login-btn { background: #007BFF; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        footer { margin-top: 50px; padding: 20px; background: #f5f5f5; border-radius: 10px; }
        .tags { margin: 20px 0; }
        .tag { display: inline-block; background: #e0e0e0; padding: 5px 10px; margin: 5px; border-radius: 20px; }