:root{--ink:#162034;--muted:#637086;--blue:#2f6fdb;--sky:#eef6ff;--line:#d9e5f4;--warm:#fff7ed;--green:#e9f8f1}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#f7fbff,#fff)}a{color:#245fbd}nav{position:sticky;top:0;z-index:3;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:12px 4vw;display:flex;gap:14px;overflow-x:auto;white-space:nowrap}nav a{font-size:.9rem;text-decoration:none;color:#22314d;font-weight:700}.hero{min-height:72vh;display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;padding:58px 6vw 42px}.eyebrow{letter-spacing:.12em;text-transform:uppercase;color:#4776b4;font-size:.78rem;font-weight:800}.hero h1{font-size:clamp(2.5rem,5vw,5.2rem);line-height:.94;margin:12px 0}.hero p{font-size:1.15rem;line-height:1.75;color:#4a5870}.hero img{width:100%;border-radius:34px;box-shadow:0 28px 70px rgba(28,54,88,.24)}.toplink{background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px 20px;margin-top:20px;box-shadow:0 12px 30px rgba(36,95,189,.08)}.wrap{max-width:1060px;margin:auto;padding:16px 24px}.article{display:grid;grid-template-columns:220px 1fr;gap:34px}.rail{position:sticky;top:70px;align-self:start;background:#fff;border:1px solid var(--line);border-radius:22px;padding:18px}.rail a{display:block;text-decoration:none;margin:10px 0;color:#31415d;font-weight:700}.content{font-size:1.04rem;line-height:1.82}.content h2{font-size:2rem;margin-top:42px}.cardgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:28px 0}.card{background:var(--sky);border:1px solid var(--line);border-radius:22px;padding:20px}.note{background:var(--warm);border-left:5px solid #f2a444;padding:20px;border-radius:18px}.bottom-cta{margin:48px 0;background:linear-gradient(135deg,#eaf4ff,#fff);border:1px solid var(--line);border-radius:28px;padding:28px}footer{background:#142033;color:#dce7f5;margin-top:50px;padding:34px 6vw}footer a{color:#fff;margin-right:18px}@media(max-width:850px){.hero,.article{grid-template-columns:1fr}.rail{position:static}.cardgrid{grid-template-columns:1fr}}