:root{--fg:#1d2430;--mut:#5b6575;--bg:#fff;--soft:#f4f6f9;--line:#dfe3ea;--acc:#0b5cad;--acc2:#e8f1fb;--warn:#fff6e0;--max:46rem}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--fg);background:var(--bg)}
a{color:var(--acc)}img{max-width:100%;height:auto}
.wrap{max-width:var(--max);margin:0 auto;padding:0 1rem}
header.site{border-bottom:1px solid var(--line);background:var(--soft)}
header.site .wrap{display:flex;flex-wrap:wrap;gap:.4rem 1rem;align-items:center;justify-content:space-between;padding:.7rem 1rem}
.brand{font-weight:700;text-decoration:none;color:var(--fg);font-size:1.05rem}
nav.top a{margin-right:.8rem;font-size:.92rem;text-decoration:none}
.crumbs{font-size:.85rem;color:var(--mut);margin:1rem 0 .3rem}.crumbs a{color:var(--mut)}
h1{font-size:1.85rem;line-height:1.2;margin:.4rem 0 .6rem}h2{font-size:1.35rem;margin:2rem 0 .6rem;line-height:1.3}h3{font-size:1.1rem;margin:1.4rem 0 .4rem}
.meta{font-size:.88rem;color:var(--mut);margin-bottom:1rem}
.disc{background:var(--warn);border:1px solid #f0dca8;padding:.6rem .8rem;border-radius:6px;font-size:.88rem;margin:1rem 0}
.box{background:var(--acc2);border-left:4px solid var(--acc);padding:.8rem 1rem;border-radius:4px;margin:1.2rem 0}
.skip{background:#fdeeee;border-left:4px solid #b3261e;padding:.8rem 1rem;border-radius:4px;margin:1.2rem 0}
.tbl{overflow-x:auto;margin:1rem 0}table{border-collapse:collapse;width:100%;font-size:.92rem}th,td{border:1px solid var(--line);padding:.45rem .55rem;text-align:left;vertical-align:top}th{background:var(--soft)}
a.amz{display:inline-block;background:#ffb703;color:#111;font-weight:600;text-decoration:none;padding:.35rem .75rem;border-radius:6px;font-size:.9rem;margin:.15rem 0}
a.amz:hover{background:#f5a300}
ul.check{list-style:none;padding-left:0}ul.check li{padding-left:1.7rem;position:relative;margin:.3rem 0}ul.check li:before{content:"\2610";position:absolute;left:0;font-size:1.15rem;line-height:1.4}
.calc{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:1rem;margin:1.2rem 0}.calc label{display:block;margin:.5rem 0 .15rem;font-weight:600;font-size:.92rem}
.calc input,.calc select{width:100%;padding:.5rem;font-size:1rem;border:1px solid #b9c1cd;border-radius:6px}.calc output{display:block;margin-top:.8rem;font-weight:700;font-size:1.1rem}
.cards{display:grid;gap:.8rem;grid-template-columns:1fr}@media(min-width:640px){.cards{grid-template-columns:1fr 1fr}}
.card{border:1px solid var(--line);border-radius:8px;padding:.8rem 1rem}.card h3{margin-top:0}
.author{border-top:1px solid var(--line);margin-top:2rem;padding-top:1rem;font-size:.92rem;color:var(--mut)}
.sources{font-size:.9rem}.sources li{margin:.2rem 0}
details{border:1px solid var(--line);border-radius:6px;padding:.5rem .8rem;margin:.5rem 0}summary{font-weight:600;cursor:pointer}
footer.site{margin-top:3rem;background:var(--soft);border-top:1px solid var(--line);font-size:.85rem;color:var(--mut)}footer.site .wrap{padding:1.2rem 1rem}footer.site a{color:var(--mut);margin-right:.8rem}

figure{margin:1.2em 0}figure img{max-width:100%;height:auto;display:block;border-radius:6px}figcaption{font-size:.8em;color:#666;margin-top:.3em}