/* ---------- Bảng tin (danh mục trái + 4 bài nhỏ) ---------- */
.bc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.mobile .bc-grid{grid-template-columns:1fr 1fr}
.bc-grid .card .ph{aspect-ratio:5/3;height:auto!important}
.bc-ex{font-size:12.5px;color:var(--muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:3em}
.bc-grid .card .t:first-of-type{font-size:13.5px}