.page{padding:54px clamp(20px,7vw,120px);background:#fff}.back{color:#0f766e;font-weight:700}.article{max-width:920px}.article h1{font-size:clamp(34px,5vw,58px);line-height:1.08;margin:18px 0}.summary{font-size:18px;color:#475569}.article p{font-size:17px;color:#273244}.source{margin-top:34px;color:#64748b;font-size:14px}.related{margin-top:56px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{border:1px solid #d9dee7;border-radius:8px;padding:18px;background:#f8fafc}.card strong,.card span{display:block}.card span{margin-top:8px;color:#5b6472}@media(max-width:800px){.cards{grid-template-columns:1fr}.page{padding:36px 20px}}