/* OhStem – trang tin tức (chuyên mục/tag) */
.ohs-news{--ohs-blue:#01a8df;--ohs-dark:#0b2b4c;--ohs-orange:#ff9f1a;--ohs-text:#2b2f36;--ohs-muted:#6b7280;--ohs-line:#e8edf2;color:var(--ohs-text)}
.ohs-news a{text-decoration:none}
.ohs-n-wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.ohs-n-head{background:linear-gradient(135deg,#0b2b4c 0%,#01a8df 100%);color:#fff;padding:34px 0 26px;margin-bottom:34px}
.ohs-n-crumb{font-size:13px;opacity:.85;margin-bottom:8px}
.ohs-n-crumb a{color:#fff}
.ohs-n-crumb span{margin:0 6px}
.ohs-n-head h1{color:#fff;font-size:36px;line-height:1.2;margin:0 0 8px;text-transform:none;letter-spacing:0}
.ohs-n-desc{color:#e3f3fb;font-size:15px;max-width:780px}
.ohs-n-desc p{margin:0}
.ohs-n-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.ohs-n-chips a{color:#fff;border:1px solid rgba(255,255,255,.45);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;transition:all .15s}
.ohs-n-chips a:hover,.ohs-n-chips a.active{background:#fff;color:var(--ohs-dark);border-color:#fff}

.ohs-n-img{display:block;overflow:hidden;border-radius:12px;background:#eef3f7}
.ohs-n-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s}
.ohs-news article:hover .ohs-n-img img{transform:scale(1.04)}
.ohs-n-cat{display:inline-block;font-size:12px;font-weight:700;color:var(--ohs-blue)!important;text-transform:uppercase;letter-spacing:.3px;margin-bottom:6px}
.ohs-n-meta{font-size:13px;color:var(--ohs-muted);display:flex;gap:6px;align-items:center}
.ohs-news h2 a,.ohs-news h3 a{color:var(--ohs-text)}
.ohs-news h2 a:hover,.ohs-news h3 a:hover{color:var(--ohs-blue)}

/* khoi noi bat */
.ohs-n-featured{display:grid;grid-template-columns:1.55fr 1fr;gap:28px;margin-bottom:44px}
.ohs-n-lead .ohs-n-img{aspect-ratio:16/9}
.ohs-n-lead .ohs-n-body{padding-top:16px}
.ohs-n-lead h2{font-size:28px;line-height:1.3;margin:0 0 10px;text-transform:none;letter-spacing:0}
.ohs-n-lead p{font-size:15.5px;line-height:1.65;color:#4b5563;margin:0 0 12px}
.ohs-n-side{display:flex;flex-direction:column;gap:18px}
.ohs-n-mini{display:grid;grid-template-columns:150px 1fr;gap:14px;align-items:start;padding-bottom:18px;border-bottom:1px solid var(--ohs-line)}
.ohs-n-mini:last-child{border-bottom:0;padding-bottom:0}
.ohs-n-mini .ohs-n-img{aspect-ratio:4/3;border-radius:10px}
.ohs-n-mini h3{font-size:16px;line-height:1.4;margin:0 0 6px;text-transform:none;letter-spacing:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* luoi + sidebar */
.ohs-n-main{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start;margin-bottom:60px}
.ohs-n-section{font-size:22px;margin:0 0 20px;padding-left:12px;border-left:4px solid var(--ohs-orange);text-transform:none;letter-spacing:0;color:var(--ohs-dark)}
.ohs-n-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px 24px}
.ohs-n-card{display:flex;flex-direction:column}
.ohs-n-card .ohs-n-img{aspect-ratio:16/10}
.ohs-n-card .ohs-n-body{padding-top:14px}
.ohs-n-card h3{font-size:18px;line-height:1.4;margin:0 0 8px;text-transform:none;letter-spacing:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.ohs-n-card p{font-size:14.5px;line-height:1.6;color:#4b5563;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

.ohs-n-aside{position:sticky;top:90px;display:flex;flex-direction:column;gap:24px}
.ohs-n-box{background:#f6f9fc;border-radius:14px;padding:20px}
.ohs-n-box h4{font-size:17px;margin:0 0 14px;color:var(--ohs-dark);text-transform:none;letter-spacing:0}
.ohs-n-popular{list-style:none;margin:0;padding:0;counter-reset:none}
.ohs-n-popular li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--ohs-line)}
.ohs-n-popular li:last-child{border-bottom:0}
.ohs-n-rank{flex:0 0 28px;height:28px;border-radius:50%;background:var(--ohs-blue);color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center}
.ohs-n-popular a{color:var(--ohs-text);font-size:14.5px;line-height:1.45;font-weight:600}
.ohs-n-popular a:hover{color:var(--ohs-blue)}
.ohs-n-catlist{list-style:none;margin:0;padding:0}
.ohs-n-catlist li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed #dde5ec;font-size:14.5px}
.ohs-n-catlist li:last-child{border-bottom:0}
.ohs-n-catlist a{color:var(--ohs-text)}
.ohs-n-catlist a:hover{color:var(--ohs-blue)}
.ohs-n-catlist span{color:var(--ohs-muted);font-size:13px}
.ohs-n-cta{background:linear-gradient(135deg,#0b2b4c,#01a8df);color:#fff}
.ohs-n-cta h4{color:#fff}
.ohs-n-cta p{font-size:14px;color:#e3f3fb;margin:0 0 14px}
.ohs-n-cta a{display:inline-block;background:var(--ohs-orange);color:#fff!important;font-weight:700;border-radius:999px;padding:9px 20px;font-size:14px}

.ohs-n-pages{display:flex;justify-content:center;flex-wrap:wrap;gap:6px;margin-top:40px}
.ohs-n-pages .page-numbers{min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--ohs-line);color:var(--ohs-text);font-weight:600}
.ohs-n-pages .page-numbers.current,.ohs-n-pages a.page-numbers:hover{background:var(--ohs-blue);border-color:var(--ohs-blue);color:#fff}
.ohs-n-pages .dots{border:0}
.ohs-n-empty{padding:60px 0;text-align:center;color:var(--ohs-muted)}

@media (max-width:1024px){.ohs-n-main{grid-template-columns:1fr}.ohs-n-aside{position:static}.ohs-n-featured{grid-template-columns:1fr}}
@media (max-width:640px){.ohs-n-head h1{font-size:28px}.ohs-n-grid{grid-template-columns:1fr}.ohs-n-lead h2{font-size:22px}.ohs-n-mini{grid-template-columns:110px 1fr}.ohs-n-mini h3{font-size:15px}}