:root{--ink:#1b1f2a;--muted:#5b6475;--bg:#f6f7fb;--card:#fff;--brand:#0b3d91;--brand2:#c8102e;--ok:#137333;--no:#b3261e;--line:#dde1ea}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}a:focus-visible,button:focus-visible{outline:3px solid #f2a900;outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
header.site{background:var(--brand);color:#fff}header.site .in{max-width:960px;margin:auto;padding:12px 16px;display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;justify-content:space-between}
.logo{color:#fff;text-decoration:none;font-weight:800;font-size:1.1rem}.logo span{color:#ffd54f}
nav.top a{color:#fff;text-decoration:none;margin-right:14px;font-size:.95rem;white-space:nowrap}nav.top{display:flex;flex-wrap:wrap;gap:4px 0}
main{max-width:960px;margin:auto;padding:16px}article{max-width:760px}
h1{font-size:1.75rem;line-height:1.25;margin:.4em 0}h2{font-size:1.3rem;line-height:1.3;margin:1.4em 0 .4em}h3{font-size:1.08rem;margin:1.2em 0 .3em}
.lead{font-size:1.1rem;color:var(--muted)}.note{background:#fff8e1;border-left:4px solid #f2a900;padding:10px 14px;border-radius:6px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:14px 0}.card h2{margin-top:0}
.btn{display:inline-block;background:var(--brand2);color:#fff;border:0;border-radius:10px;padding:12px 18px;font-weight:700;font-size:1rem;text-decoration:none;cursor:pointer;margin:4px 6px 4px 0}
.btn.ghost{background:#fff;color:var(--brand);border:2px solid var(--brand)}.btn[disabled]{background:#9aa0ac;cursor:not-allowed}
.link{background:none;border:0;color:var(--muted);text-decoration:underline;cursor:pointer;padding:0;font-size:.9rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-block;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;color:var(--ink)}.chip.wide{border-radius:10px;width:100%}
.chip small,.hist small{color:var(--muted)}.ok{color:var(--ok)}.no{color:var(--no)}
.bar{display:flex;justify-content:space-between;gap:8px;background:var(--brand);color:#fff;padding:10px 14px;border-radius:10px;font-weight:600;position:sticky;top:0;z-index:2}
.q h2{font-size:1.2rem}.tag{color:var(--muted);font-size:.85rem;margin:0}.opts{display:grid;gap:10px;margin:12px 0}
.opt{text-align:left;padding:14px;border:2px solid var(--line);border-radius:10px;background:#fff;font-size:1rem;cursor:pointer;color:var(--ink)}
.opt.sel{border-color:var(--brand);background:#eef3ff}.opt.right{border-color:var(--ok);background:#e6f4ea}.opt.wrong{border-color:var(--no);background:#fce8e6}
.explain{padding:12px;border-radius:10px;margin:8px 0}.explain.good{background:#e6f4ea}.explain.bad{background:#fce8e6}
.row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:8px}
.dots{display:flex;flex-wrap:wrap;gap:6px}.dot{width:36px;height:36px;border-radius:8px;border:1px solid var(--line);background:#fff;cursor:pointer}.dot.done{background:#dbe5ff}.dot.cur{outline:2px solid var(--brand2)}
.result.pass{border-color:var(--ok);background:#f1faf3}.result.fail{border-color:var(--no);background:#fff5f4}.review li{margin:10px 0}.review li.no b{color:var(--no)}
.pack{border:2px dashed var(--brand2)}.price{font-size:1.8rem;font-weight:800;color:var(--brand2)}
details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0}summary{font-weight:700;cursor:pointer}
table{border-collapse:collapse;width:100%;background:#fff}td,th{border:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
.tablewrap{overflow-x:auto}
footer.site{background:#111827;color:#cbd5e1;margin-top:32px}footer.site .in{max-width:960px;margin:auto;padding:20px 16px;font-size:.9rem}footer.site a{color:#e5e7eb}
@media(min-width:720px){h1{font-size:2.1rem}.chip.wide{width:auto}}