/* Shared public identity only: research body, evidence and historic dates remain intact. */
:root{--bf-blue:#1767c8;--bf-deep:#182550;--bf-gold:#eaaf36;--bf-cream:#f8f4ec}
.bf-sitebar,.bf-sitefoot{box-sizing:border-box;font-family:"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.5;color:#182550;background:#f8f4ec}
.bf-sitebar{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px max(20px,calc((100vw - 1120px)/2));border-bottom:1px solid #e0dfdc;position:relative;z-index:2}.bf-sitebar a,.bf-sitefoot a{color:#125ab1;text-decoration:none}.bf-public-id{display:flex;align-items:center;gap:11px}.bf-public-id img{width:48px;height:48px;border-radius:12px;object-fit:contain}.bf-public-id strong{display:block;color:#182550;font-size:17px}.bf-public-id small{display:block;color:#5f6d82;font-size:11px;margin-top:3px}.bf-sitebar nav{display:flex;gap:18px;align-items:center;font-size:13px;flex-wrap:wrap}.bf-sitefoot{margin-top:32px;padding:22px;text-align:center;font-size:12px;border-top:1px solid #e0dfdc}.bf-sitefoot p{margin:5px 0}.bf-sitefoot a{display:inline-block;margin:4px 8px}.bf-public-main{max-width:1120px;margin:auto;padding:40px 22px;color:#182550;font:16px/1.85 "Microsoft YaHei",sans-serif;overflow-wrap:anywhere}.bf-public-main h1{font-size:clamp(32px,5vw,54px);line-height:1.25;margin:16px 0}.bf-public-main h2{font-size:28px;margin:32px 0 14px}.bf-public-main p{margin:12px 0;color:#52627a}.bf-public-hero{display:grid;grid-template-columns:1.4fr 1fr;align-items:center;gap:30px}.bf-public-hero img{width:100%;height:auto;max-width:360px;justify-self:center}.bf-eyebrow{font-size:13px;color:#1767c8;font-weight:700}.bf-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}.bf-button{display:inline-block;background:#1767c8;color:#fff!important;border-radius:10px;padding:11px 20px;text-decoration:none}.bf-button.secondary{background:#edf3fc;color:#125ab1!important}.bf-public-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:24px 0}.bf-public-card{background:white;border:1px solid #dce4ee;padding:24px;border-radius:18px;min-width:0}.bf-public-card h3{margin:0;font-size:20px;color:#182550}.bf-public-card p,.bf-public-card li{font-size:14px}.bf-public-card ul{padding-left:20px}.bf-context{padding:20px 24px;background:#edf3fc;border-left:4px solid #1767c8;border-radius:10px;margin:28px 0}.bf-business-image{width:100%;height:auto;border-radius:18px;background:#f8f4ec}.bf-public-main a{color:#125ab1}.bf-public-main small{color:#617087}.bf-step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;padding:0;list-style-position:inside}.bf-step-list li{padding:20px;border:1px solid #dce4ee;background:white;border-radius:14px}.bf-step-list b{display:block}.bf-step-list span{font-size:14px;color:#52627a}.bf-public-note{font-size:13px;border-top:1px solid #dce4ee;padding-top:18px}
@media(max-width:640px){.bf-sitebar{padding:12px 16px;gap:12px;align-items:flex-start}.bf-sitebar nav{gap:8px;justify-content:flex-end;max-width:125px;font-size:12px}.bf-public-id strong{font-size:15px}.bf-public-id small{max-width:140px}.bf-public-main{padding:26px 18px}.bf-public-hero{grid-template-columns:1fr;gap:10px}.bf-public-hero img{max-width:190px}.bf-public-cards,.bf-step-list{grid-template-columns:1fr}.bf-public-card{padding:21px}.bf-sitefoot{padding:20px 16px}}