.rg310{max-width:1380px;margin:auto}.rg310-hero{display:flex;justify-content:space-between;gap:20px;padding:22px;border-radius:18px;background:linear-gradient(135deg,#103b2d,#286249);color:#fff;margin-bottom:12px}.rg310-hero span{font-size:8px;font-weight:900;letter-spacing:1px;opacity:.75}.rg310-hero h1{font-size:24px;margin:7px 0}.rg310-hero p{font-size:10px;opacity:.85}.rg310-hero>b{height:max-content;font-size:8px;border:1px solid rgba(255,255,255,.25);padding:7px 10px;border-radius:999px}.rg310-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-bottom:12px}.rg310-cards article,.rg310-box{background:#fff;border:1px solid #e0e9e4;border-radius:14px;padding:14px}.rg310-cards small{font-size:8px;color:#75827c;font-weight:900;text-transform:uppercase}.rg310-cards strong{display:block;font-size:20px;color:#173f30;margin:5px 0}.rg310-cards p{font-size:9px;color:#718078}.rg310-box{margin-bottom:12px}.rg310-head{display:flex;justify-content:space-between;align-items:center}.rg310-head h2,.rg310-box h2{font-size:13px;color:#173f30}.rg310-head button{border:0;border-radius:9px;background:#173f30;color:#fff;padding:9px 13px;font-size:9px;font-weight:900}.rg310-result{white-space:pre-wrap;background:#f4f8f6;border-left:3px solid #2d7957;border-radius:8px;padding:12px;font:10px/1.55 monospace;color:#314d41}.rg310-rules{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.rg310-rules div{background:#f6f9f7;border-radius:8px;padding:9px;font-size:9px;color:#465d52}@media(max-width:800px){.rg310-cards{grid-template-columns:1fr 1fr}.rg310-rules{grid-template-columns:1fr}.rg310-hero{flex-direction:column}}@media(max-width:520px){.rg310-cards{grid-template-columns:1fr}.rg310-hero h1{font-size:20px}}