body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 28px; font-weight: bold; color: #FF6B35; margin: 20px 0; text-transform: uppercase; }
        nav { background: #F8F9FA; padding: 15px; border-radius: 8px; margin-bottom: 30px; }
        nav a { margin: 0 15px; text-decoration: none; color: #0066CC; font-weight: 500; }
        .mobile-menu { display: none; background: #0066CC; color: white; padding: 10px; border-radius: 5px; text-align: center; }
        h1 { color: #2C3E50; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #34495E; margin-top: 40px; }
        h3 { color: #7F8C8D; }
        .download-btn { background: #27AE60; color: white; padding: 12px 25px; border-radius: 5px; text-decoration: none; font-weight: bold; display: inline-block; margin: 15px 0; }
        .login-btn { background: #3498DB; color: white; padding: 12px 25px; border-radius: 5px; text-decoration: none; font-weight: bold; display: inline-block; margin: 15px 10px; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .gallery { display: flex; flex-wrap: wrap; gap: 15px; }
        .gallery img { width: 30%; }
        table { width: 100%; border-collapse: collapse; margin: 25px 0; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align: left; }
        th { background: #F8F9FA; }
        .highlight { background: #FFF8E1; padding: 15px; border-left: 4px solid #FF6B35; }
        .tag { background: #E0E0E0; padding: 5px 10px; border-radius: 15px; margin: 5px; display: inline-block; }
        footer { margin-top: 50px; padding: 30px 0; border-top: 2px solid #EEE; }
        @media (max-width: 768px) {
            nav { display: none; }
            .mobile-menu { display: block; }
            .gallery img { width: 100%; }
        }