:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172746;background:#f6f8fc;line-height:1.7;color-scheme:light}*{box-sizing:border-box}body{margin:0}a{color:#164b9e;text-underline-offset:.2em}a:hover{color:#9a3039}a:focus-visible{outline:3px solid #e3ac2b;outline-offset:5px;border-radius:3px}.learn-header,.learn-main,.learn-footer{width:min(1120px,calc(100% - 48px));margin:auto}.learn-header{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:28px 0;border-bottom:1px solid #dbe3ef}.learn-brand{display:flex;align-items:center;gap:12px;color:#18365c;text-decoration:none;font-size:.9rem;font-weight:750;line-height:1.3;flex-shrink:0}.learn-brand img{border-radius:50%;object-fit:contain}.learn-languages{display:flex;gap:6px 16px;flex-wrap:wrap;justify-content:flex-end;font-size:.85rem}.learn-languages [aria-current]{font-weight:750;text-decoration-thickness:2px}.learn-main{padding:50px 0 60px}.learn-intro,.learn-article>header{max-width:810px;margin-bottom:44px}.learn-eyebrow{font-weight:700;text-transform:uppercase;letter-spacing:.12em;font-size:.74rem;color:#596d88}h1,h2,h3{line-height:1.2;color:#122f54;text-wrap:balance}h1{font-size:clamp(2.1rem,5vw,3.8rem);letter-spacing:-.04em;margin:14px 0 24px}h2{font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.025em;margin:0 0 22px}h3{font-size:1.2rem;margin:0 0 14px}.learn-lead{font-size:1.16rem;color:#40566f;line-height:1.85}.learn-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.learn-card{border:1px solid #dbe3ef;background:#fff;border-radius:16px;padding:26px}.learn-card p{margin-bottom:0}.learn-card time,.learn-meta{font-size:.84rem;color:#63768e}.learn-list{margin-top:46px}.learn-article{max-width:800px}.learn-article section{margin:38px 0}.learn-article p{white-space:pre-line}.learn-article .learn-lead{white-space:normal}.learn-breadcrumb{font-size:.82rem;display:flex;flex-wrap:wrap;gap:8px;margin-bottom:32px}.learn-sources{border-top:1px solid #dbe3ef;padding-top:28px}.learn-next{margin-top:44px;border-top:3px solid #1c4b85;padding-top:28px}.learn-next ul,.learn-sources ul,.learn-related ul{padding-left:22px}.learn-next li,.learn-sources li,.learn-related li{margin:10px 0}.learn-footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid #dbe3ef;padding:26px 0 38px;font-size:.8rem;color:#63768e}p{overflow-wrap:break-word}@media(max-width:760px){.learn-header,.learn-main,.learn-footer{width:calc(100% - 32px)}.learn-header{align-items:flex-start;flex-direction:column;padding:20px 0;gap:20px}.learn-languages{justify-content:flex-start;gap:8px 16px}.learn-main{padding-top:30px}.learn-grid{grid-template-columns:1fr}.learn-card{padding:22px}.learn-footer{flex-direction:column;gap:10px}h1{font-size:2.25rem}.learn-lead{font-size:1.05rem}}
.learn-promotion{--promotion-color:#003da5;display:flex;flex-direction:column;align-items:flex-start;gap:20px;margin:42px 0;padding:28px;border:1px solid #cfdaeb;border-left:5px solid var(--promotion-color);border-radius:14px;background:#fff;min-width:0}
.learn-promotion--red{--promotion-color:#cf142b}
.learn-promotion .learn-promotion-category{margin:0 0 10px;font-size:.78rem;line-height:1.5;font-weight:750;letter-spacing:.03em;color:var(--promotion-color);white-space:normal}
.learn-promotion h2{font-size:clamp(1.35rem,2.8vw,1.8rem);margin:0 0 14px;overflow-wrap:break-word}
.learn-promotion p{margin:0;line-height:1.75;white-space:normal}
.learn-promotion-action{display:inline-flex;align-items:center;justify-content:center;gap:12px;max-width:100%;min-height:48px;padding:12px 20px;border-radius:9px;background:var(--promotion-color);color:#fff;font-weight:700;line-height:1.5;text-align:center;text-decoration:none;overflow-wrap:anywhere}
.learn-promotion-action>span{flex:none;font-size:1.25rem;line-height:1}
.learn-promotion-action:hover{color:#fff;outline:2px solid var(--promotion-color);outline-offset:3px}
@media(max-width:760px){.learn-promotion{padding:22px 18px;gap:18px}.learn-promotion-action{width:100%;padding:12px 14px}}