:root{color-scheme:light;--ink:#172033;--muted:#5f6b7a;--line:#d9e1ea;--soft:#f5f8fb;--brand:#0a62c4;--accent:#0b8f6f}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);line-height:1.75;background:#fff}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1040px;margin:0 auto;padding:0 24px}.top{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:2}.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:64px}.brand{font-weight:700;font-size:20px;color:var(--ink)}.nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}.hero{padding:58px 0 36px;background:linear-gradient(180deg,#f7fbff 0,#fff 100%)}.eyebrow{color:var(--accent);font-weight:700;font-size:14px}.hero h1{font-size:34px;line-height:1.28;margin:12px 0 14px;letter-spacing:0}.lead{font-size:18px;color:#3f4b5d;max-width:860px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:22px 0}.card{border:1px solid var(--line);border-radius:8px;padding:20px;background:#fff}.card h2,.card h3{margin-top:0}.section{padding:34px 0;border-top:1px solid #eef2f6}.section h2{font-size:24px;margin:0 0 14px}.section h3{font-size:18px;margin:20px 0 8px}.list{padding-left:1.2em}.facts{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:18px;margin:20px 0}.cta{background:#10233f;color:#fff;padding:30px 0;margin-top:24px}.cta a{color:#fff;font-weight:700}.foot{color:var(--muted);font-size:13px;padding:24px 0;border-top:1px solid var(--line)}@media (max-width:720px){.top .wrap{align-items:flex-start;flex-direction:column;padding-top:12px;padding-bottom:12px}.grid{grid-template-columns:1fr}.hero h1{font-size:28px}.lead{font-size:16px}.wrap{padding:0 18px}}