Responsive Navbar Template

A sticky, responsive navbar with hamburger menu, dropdown support, and active page highlighting. Full HTML/CSS/JS included in the zh-cn version.

Features

• ✅ Sticky header
• ✅ Mobile hamburger toggle
• ✅ Dropdown submenu
• ✅ Active page highlighting
• ✅ Click outside to close
• ✅ ARIA accessibility labels
• ✅ CTA button styling