*{box-sizing:border-box}.portal-wrap{display:grid;grid-template-columns:275px minmax(0,1fr);max-width:1500px;margin:auto;min-height:75vh;background:#f6f9fc;color:#173651}.sidebar{padding:26px 18px;background:#102d50;color:white}.sidebar h2{font-size:24px;margin:6px 0}.side-kicker{font-size:11px;letter-spacing:2px;color:#9ed1f6}.status{font-size:12px;color:#c8d9e9;margin:10px 0 20px}#portalNav{display:grid;gap:4px}#portalNav button{border:0;border-radius:9px;background:transparent;color:#dce8f5;padding:11px 12px;text-align:left;font:inherit;cursor:pointer}#portalNav button:hover,#portalNav button.selected{background:#2674b0;color:white}.workspace{padding:34px;min-width:0}.intro h1{font-size:clamp(27px,4vw,42px);color:#10385f;margin:10px 0}.intro p{color:#53697e}.notice{border:1px solid #d7e6f2;background:#fff;border-left:4px solid #ef892b;border-radius:10px;padding:18px;margin:22px 0}.notice p{margin-bottom:0;line-height:1.6}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.module-card,.next{background:#fff;border:1px solid #dfe8f1;border-radius:12px;padding:22px}.module-card h3{color:#10385f;margin:0 0 8px}.module-card p,.next p{color:#607286;line-height:1.6}.next{margin-top:20px}.back{color:#1467a6;font-weight:bold}@media(max-width:760px){.portal-wrap{grid-template-columns:1fr}.sidebar{padding:16px}.sidebar h2{font-size:20px}#portalNav{display:flex;overflow-x:auto;gap:8px}#portalNav button{white-space:nowrap;flex:none}.workspace{padding:22px 16px}}