:root{--blue:#1E6FD9;--blue-dark:#1557ad;--ink:#1a1a1a;--muted:#5a5a5a;--line:#e6e8ec;--bg:#f7f8fa;--card:#fff;--radius:14px;--shadow:0 8px 28px rgba(30,111,217,.12);font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:1040px;margin:0 auto;padding:0 1.25rem}
header{background:#fff;border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 1.25rem;flex-wrap:wrap}
.nav nav{display:flex;gap:.9rem;align-items:center}
.nav nav a{color:var(--ink);text-decoration:none;font-weight:600;font-size:.95rem}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;color:inherit;font-weight:700;font-size:1.05rem}
.brand img{width:36px;height:36px;border-radius:8px}
a.cta,.nav nav a.cta{background:var(--blue);color:#fff;text-decoration:none;padding:.55rem 1rem;border-radius:999px;font-weight:600;font-size:.95rem;display:inline-block}
a.cta:hover{background:var(--blue-dark)}
.article{max-width:760px;padding-top:1.5rem;padding-bottom:2rem}
.article h1{font-size:clamp(1.6rem,4.5vw,2.2rem);line-height:1.2;letter-spacing:-.02em;margin:.3rem 0 .4rem}
.article h2{font-size:1.3rem;margin:2rem 0 .6rem}
.article a{color:var(--blue-dark)}
.crumbs,.fecha{color:var(--muted);font-size:.88rem;margin:0}
.crumbs a{color:var(--muted)}
.lead{font-size:1.08rem;color:#333}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:.95rem;margin:.6rem 0}
th,td{padding:.55rem .7rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#eaf2ff}
.formula{background:#fff;border-left:4px solid var(--blue);padding:.8rem 1rem;border-radius:8px;font-weight:600}
.nota{color:var(--muted);font-size:.9rem;background:#fffbea;border:1px solid #f1e3a6;padding:.6rem .8rem;border-radius:8px}
.ctabox{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:1.1rem 1.3rem;margin:2rem 0}
.ctabox p{margin:0 0 .8rem}
.rel li,.guias li{margin:.5rem 0}
.guias{list-style:none;padding:0}
.guias li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:.9rem 1rem}
.guias li span{display:block;color:var(--muted);font-size:.92rem}
.guias a{text-decoration:none}
footer{border-top:1px solid var(--line);padding:1.5rem 0 2rem;color:var(--muted);font-size:.9rem}
footer .row{display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;justify-content:space-between}
footer a{color:var(--muted)}
.legal{font-size:.82rem;margin:.8rem 0 0}
@media(max-width:600px){table{font-size:.85rem}th,td{padding:.45rem .5rem}}

table.waterfall td:nth-child(1){color:var(--muted);font-variant-numeric:tabular-nums;width:2.2rem}
table.waterfall tr:last-child td{background:#eaf2ff;font-weight:600;border-bottom:none}
table.waterfall td:nth-child(3){font-variant-numeric:tabular-nums;white-space:nowrap}
table.waterfall td:nth-child(4){font-variant-numeric:tabular-nums;white-space:nowrap}