*{box-sizing:border-box}
body{margin:0;font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:#1d232a;background:#f6f7f9}
a{color:#0b5cad}
header.top{background:#12324f;color:#fff;padding:.6rem 1rem;display:flex;flex-wrap:wrap;gap:.5rem 1.5rem;align-items:center}
header.top a{color:#fff;text-decoration:none}
.brand{font-weight:700}
header nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.25rem 1rem;font-size:.92rem}
header nav a.current{text-decoration:underline}
main{max-width:920px;margin:0 auto;padding:1rem}
h1{font-size:1.7rem;line-height:1.25;margin:.8rem 0 .4rem}
h2{font-size:1.3rem;margin-top:2rem}
h3{font-size:1.08rem;margin-top:1.4rem}
.meta{background:#fff7e0;border-left:4px solid #e0a800;padding:.5rem .8rem}
.calc{background:#fff;border:1px solid #d6dbe1;border-radius:8px;padding:1rem;margin:1rem 0}
fieldset{border:1px solid #e3e7ec;border-radius:6px;margin:0 0 .8rem;padding:.6rem .8rem}
legend{font-weight:600;padding:0 .3rem}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:.6rem .9rem}
label{display:flex;flex-direction:column;font-size:.9rem;gap:.2rem}
label.check{flex-direction:row;align-items:center;gap:.4rem}
input,select{font:inherit;padding:.35rem .45rem;border:1px solid #b9c1ca;border-radius:4px;background:#fff}
.hint{font-size:.8rem;color:#56616d}
.result{margin-top:.6rem}
.result table{border-collapse:collapse;width:100%;font-size:.95rem}
.result th,.result td{border-bottom:1px solid #e6e9ee;padding:.35rem .4rem;text-align:right}
.result th:first-child,.result td:first-child{text-align:left}
.result tr.total td{font-weight:700;border-top:2px solid #12324f}
.result .neg{color:#b00020}
.result .pos{color:#126b2f}
.result .best{background:#e8f5ec}
.result .note{font-size:.85rem;color:#56616d}
.result .warn{color:#8a5a00;font-size:.9rem}
.referral{margin-top:.8rem;padding:.6rem .8rem;border:1px dashed #126b2f;border-radius:6px;font-size:.92rem}
.disclaimer{font-size:.85rem;color:#56616d}
.guide table{border-collapse:collapse;margin:.6rem 0;width:100%;font-size:.93rem;background:#fff}
.guide th,.guide td{border:1px solid #d6dbe1;padding:.35rem .5rem;text-align:left}
.sources{font-size:.85rem;word-break:break-all}
.cards{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:.8rem}
.cards li{background:#fff;border:1px solid #d6dbe1;border-radius:8px;padding:.8rem;display:flex;flex-direction:column;gap:.3rem}
footer{max-width:920px;margin:2rem auto;padding:1rem;font-size:.85rem;color:#56616d;border-top:1px solid #d6dbe1}