.ch{--ch-ink:#0b0c0e;--ch-ink-2:#5c616b;--ch-line:#e6e7ea;--ch-btn:#0b0c0e;--ch-btn-hover:#26282d;position:-webkit-sticky;position:sticky;top:0;z-index:50;background:#ffffff;border-bottom:1px solid var(--ch-line);font-family:var(--font)}.ch-inner{max-width:1200px;margin:0 auto;min-height:64px;display:flex;align-items:center;gap:32px;padding:0 24px}.ch-logo{display:inline-flex;flex:none}.ch-logo img{height:24px;width:auto;display:block}.ch-nav{display:flex;align-items:center;gap:28px}.ch-nav a{font-size:14px;font-weight:500;color:var(--ch-ink-2);text-decoration:none;transition:color .13s ease}.ch-nav a:hover{color:var(--ch-ink)}.ch-actions{margin-left:auto;display:flex;align-items:center;gap:6px}.ch-login{font-size:14px;font-weight:500;color:var(--ch-ink);text-decoration:none;padding:8px 12px;border-radius:8px;transition:opacity .13s ease}.ch-login:hover{opacity:.65}.ch-signup{font-size:14px;font-weight:600;color:#fff;background:var(--ch-btn);border-radius:8px;padding:9px 16px;text-decoration:none;transition:background .14s ease}.ch-signup:hover{background:var(--ch-btn-hover)}.ch-burger{margin-left:auto;border:none;background:transparent;color:var(--ch-ink);padding:6px;cursor:pointer}.ch-burger,.ch-menu{display:none}.ch a:focus-visible,.ch button:focus-visible{outline:2px solid var(--ch-ink);outline-offset:3px;border-radius:4px}@media (max-width:820px){.ch-actions,.ch-nav{display:none}.ch-burger{display:inline-flex}.ch-menu{display:flex;flex-direction:column;padding:8px 16px 18px;border-top:1px solid var(--ch-line);background:#ffffff}.ch-menu>a{font-size:15px;font-weight:500;color:var(--ch-ink);text-decoration:none;padding:12px 8px}.ch-menu-actions{display:flex;gap:8px;margin-top:10px;padding:0 8px}.ch-menu-actions .ch-login{flex:1 1;text-align:center;padding:11px 14px;border:1px solid var(--ch-line)}.ch-menu-actions .ch-signup{flex:1 1;text-align:center;padding:12px 14px}}@media (prefers-reduced-motion:reduce){.ch-login,.ch-nav a,.ch-signup{transition:none}}