// Nav.jsx — top navigation with MedRoute brand + right-side kicker
const Nav = () => (
  <nav className="mr-nav">
    <div className="mr-brand">
      <span className="mr-brand__name">MedRoute</span>
      <span className="mr-brand__kicker">AI RESEARCH ARMY</span>
    </div>
    <div className="mr-nav__right">
      <span className="mr-nav__note">prototype · v0.3</span>
      <a className="mr-nav__link" href="#guide">使用指南</a>
      <a className="mr-nav__link" href="#about">关于</a>
    </div>
  </nav>
);

window.Nav = Nav;