.source-learning-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; padding:0 18px; }
.source-learning-grid article { background:#fafafa; border-top:2px solid #f39800; padding:18px 20px; }
.source-learning-grid h3 { margin:0 0 12px; font-size:18px; font-weight:500; }
.source-learning-grid a { display:block; padding:8px 0; border-bottom:1px solid #eee; color:#555; }
.source-learning-grid a:hover { color:#f39800; }
@media (max-width:760px) { .source-learning-grid { grid-template-columns:1fr; } }