/* Non-critical helpers (critical CSS đã inline trong layout) */
.section{margin:28px 0}
.grid{display:grid;gap:14px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:820px){.grid-2{grid-template-columns:1fr}}
.card{border:1px solid rgba(0,0,0,.08);border-radius:14px;padding:14px}
.small{font-size:14px;color:var(--muted)}