.sems-header{max-width:1200px;margin:0 auto 18px;text-align:center}.sems-header h2{margin:0 0 6px;font-size:28px;line-height:1.2}.sems-header p{margin:0;color:#64748b;font-size:14px}.sems-row{display:grid;gap:20px;max-width:1200px;margin:16px auto}.sems-row.row4{grid-template-columns:repeat(4,1fr)}.sems-row.row3{grid-template-columns:repeat(3,1fr)}@media (max-width:1024px){.sems-row.row4{grid-template-columns:repeat(2,1fr)}}@media (max-width:720px){.sems-row.row4,.sems-row.row3{grid-template-columns:1fr}}.sems-card{padding:14px;border:1px solid #e6e9f0;border-radius:12px;background:#fff;box-shadow:0 1px 6px rgba(0,0,0,.05)}.sems-card h3{margin:0 0 8px;font-size:20px;line-height:1.2}.sems-card--offline{padding:14px;border:1px dashed #cbd5e1;border-radius:12px;background:#f8fafc;color:#475569}