/* Sourgen · 专属页面：每个按钮一个网址，只显示该视图 */
body[data-page] .hero{ display:none !important; }
body[data-page="learn"] #levels,
body[data-page="learn"] #progress,
body[data-page="levels"] #learn,
body[data-page="levels"] #progress,
body[data-page="progress"] #learn,
body[data-page="progress"] #levels{ display:none !important; }
body[data-page="ai"] main,
body[data-page="login"] main{ display:none !important; }
body[data-page] section{ padding-top:30px; }
a.navai{ display:inline-flex; align-items:center; text-decoration:none; }
.navlinks a.cur,
.navlinks a[aria-current="page"]{ color:var(--ink, #F3F5F8); font-weight:700; }
.navlinks a[aria-current="page"]{
  background:rgba(255,255,255,.08); border-radius:999px; padding:6px 12px;
}