:root{--ink:#173b59;--muted:#60788b;--line:#d9e8f2;--bg:#f5fbff;--card:#fff;--accent:#1976b9}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6}a{color:var(--accent)}.wrap{width:min(1120px,calc(100% - 32px));margin:auto}.top{background:#fff;border-bottom:1px solid var(--line);padding:12px 0}.brand{font-weight:800;text-decoration:none;color:#263d88;font-size:22px}.brand b{color:#f08a24}.hero{padding:54px 0 32px;background:linear-gradient(135deg,#eef8ff,#fff)}h1{font-size:clamp(32px,5vw,52px);line-height:1.08;margin:0 0 14px}h2{font-size:25px;margin-top:34px}.lead{font-size:18px;max-width:820px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:26px 0}.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:15px;padding:20px;text-decoration:none;box-shadow:0 4px 16px rgba(30,80,110,.05)}.card h2{margin:0 0 7px;color:var(--ink);font-size:20px}.card p{margin:0;color:var(--muted)}.crumb{font-size:13px;margin-top:18px}.note{padding:18px;border-left:4px solid var(--accent);background:#fff;border-radius:8px}.foot{padding:30px 0;margin-top:45px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}@media(max-width:650px){.grid{grid-template-columns:1fr}.hero{padding-top:35px}.lead{font-size:16px}}