*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f7f7f7;color:#111}a{color:#0d63c7;text-decoration:none}a:hover{text-decoration:underline}.main-shell{max-width:1200px;margin:0 auto;padding:32px 20px 64px}.top-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}.top-nav nav{display:flex;gap:16px}.brand{font-weight:700;font-size:1.2rem}.city-list{list-style:none;padding:0;margin:24px 0 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:12px;gap:12px}.city-pill{display:block;padding:12px 14px;background:#fff;border-radius:10px;border:1px solid #e3e3e3;box-shadow:0 1px 3px rgba(0,0,0,.06)}.helper{color:#555;margin:0 0 12px}