body { font-family: 'Segoe UI', Arial, sans-serif; line-height: 1.6; margin: 0; padding: 0; color: #333; }
        .header { background: linear-gradient(135deg, #FF6B35, #FFE66D); padding: 15px; text-align: center; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
        .logo { font-size: 28px; font-weight: bold; color: #fff; text-shadow: 1px 1px 3px rgba(0,0,0,0.3); }
        .nav { display: flex; justify-content: center; margin-top: 10px; }
        .nav a { color: #fff; margin: 0 10px; text-decoration: none; font-weight: 500; }
        .mobile-nav-btn { display: none; background: #fff; border: none; padding: 8px; border-radius: 4px; }
        .container { max-width: 1200px; margin: 20px auto; padding: 0 15px; }
        h1 { color: #2C3E50; margin-bottom: 20px; }
        h2 { color: #3498DB; margin: 25px 0 15px; border-bottom: 2px solid #eee; padding-bottom: 5px; }
        h3 { color: #E74C3C; margin: 20px 0 10px; }
        .download-btn, .login-btn { display: inline-block; padding: 12px 25px; background: #2ECC71; color: #fff; text-decoration: none; border-radius: 5px; margin: 15px 0; font-weight: bold; }
        .login-btn { background: #3498DB; }
        .stats-box { background: #F9F9F9; padding: 15px; border-radius: 8px; margin: 20px 0; }
        .image-container { text-align: center; margin: 25px 0; }
        .image-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .tag { display: inline-block; background: #eee; padding: 5px 10px; margin: 5px; border-radius: 20px; font-size: 14px; }
        .footer { background: #2C3E50; color: #fff; padding: 20px; text-align: center; margin-top: 30px; }
        .copyright { margin-top: 15px; font-size: 12px; }
        @media (max-width: 768px) {
            .nav { flex-direction: column; display: none; }
            .nav.active { display: flex; }
            .mobile-nav-btn { display: block; position: absolute; top: 20px; right: 20px; }
            .logo { font-size: 24px; }
        }