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; text-shadow: 2px 2px 4px rgba(0,0,0,0.1); }
        nav { background: #f8f9fa; padding: 15px; margin-bottom: 30px; border-radius: 8px; }
        nav a { margin: 0 15px; text-decoration: none; color: #333; font-weight: 500; }
        .mobile-nav-btn { display: none; background: #FF6B35; color: white; border: none; padding: 10px; border-radius: 5px; }
        h1 { color: #FF6B35; border-bottom: 2px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #E75480; margin-top: 30px; }
        h3 { color: #5D9CFF; }
        .highlight { background: #FFF3BF; padding: 5px; border-radius: 3px; }
        .btn { display: inline-block; background: #4CAF50; color: white; padding: 12px 24px; margin: 10px 0; text-decoration: none; border-radius: 5px; font-weight: bold; }
        .btn:hover { background: #45a049; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        footer { margin-top: 50px; padding: 20px; background: #f8f9fa; border-radius: 8px; }
        @media (max-width: 768px) {
            .mobile-nav-btn { display: block; }
            nav { display: none; }
            nav.active { display: block; }
            nav a { display: block; margin: 10px 0; }
        }