.bevf-article{--navy:#0b1f3a;--teal:#147d79;--green:#2f9e55;--line:#d9e2ec;--muted:#667085;--soft:#f7fafc;max-width:1120px;margin:0 auto;padding:24px 18px;color:#1f2937;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.65}
.bevf-article *{box-sizing:border-box}.bevf-article h2,.bevf-article h3{color:var(--navy);line-height:1.25}.bevf-article h2{font-size:clamp(1.45rem,2.5vw,2rem);margin:28px 0 12px;padding-top:16px;border-top:1px solid var(--line)}.bevf-article h3{font-size:1.15rem;margin:0 0 10px}.bevf-article p{margin:0 0 14px}.bevf-article ul,.bevf-article ol{margin:10px 0 16px}.bevf-article a{color:#0f5fc5;font-weight:700;text-underline-offset:3px}.bevf-hero{background:linear-gradient(135deg,#f3f8ff,#eefaf5);border:1px solid var(--line);border-radius:22px;padding:28px;margin-bottom:20px}.bevf-kicker{display:inline-block;background:#e8f5f3;color:#0d6d69;border:1px solid #b9dfdb;border-radius:999px;padding:6px 11px;font-size:.9rem;font-weight:800;margin-bottom:12px}.bevf-lead{font-size:1.1rem;margin:0}.bevf-toc{margin:0 0 8px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;flex-wrap:wrap;gap:8px 18px}.bevf-toc strong{width:100%;color:var(--navy)}.bevf-grid,.bevf-procon{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.bevf-card,.bevf-pro,.bevf-con,.bevf-callout{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff}.bevf-card{background:#f8fbff}.bevf-pro{background:#f1fbf4}.bevf-con{background:#fff7f4}.bevf-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px}.bevf-table{width:100%;border-collapse:collapse;min-width:680px}.bevf-table th,.bevf-table td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}.bevf-table th{background:#eaf4ff;color:var(--navy)}.bevf-note{font-size:.9rem;color:var(--muted)}.bevf-calc{background:#f7fafc;border:1px solid var(--line);border-radius:18px;padding:20px}.bevf-fields{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.bevf-fields label{font-weight:700;color:#344054;font-size:.92rem}.bevf-fields input,.bevf-fields select{width:100%;margin-top:6px;padding:10px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;font:inherit}.bevf-btn{margin-top:16px;background:var(--teal);color:#fff;border:0;border-radius:12px;padding:11px 16px;font-weight:800;cursor:pointer}.bevf-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}.bevf-results>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px}.bevf-results span{display:block;color:var(--muted);font-size:.88rem}.bevf-results strong{display:block;color:var(--navy);font-size:1.18rem;margin-top:4px}.bevf-steps li{margin-bottom:10px}.bevf-callout{background:#eef7ff;border-left:5px solid #3b82f6}.bevf-faq details{border:1px solid var(--line);border-radius:12px;padding:13px 15px;margin:10px 0;background:#fff}.bevf-faq summary{font-weight:800;color:var(--navy);cursor:pointer}.bevf-faq p{margin:10px 0 0}.bevf-sources{margin-top:28px}
@media(max-width:760px){.bevf-grid,.bevf-procon,.bevf-fields,.bevf-results{grid-template-columns:1fr}.bevf-article{padding:16px 12px}.bevf-hero{padding:20px}.bevf-toc{display:grid}.bevf-table{min-width:620px}}