:root{--ink:#0e1519;--muted:#5c6b71;--line:#e7ecee;--teal:#0fa3b1;--teal-deep:#0b7a85;--wash:#e6f5f6;--bg:#fff}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,Roboto,sans-serif;color:var(--ink);line-height:1.65;background:var(--bg)}
a{color:var(--teal-deep);text-decoration:none}a:hover{text-decoration:underline}
.site-hd{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 24px;border-bottom:1px solid var(--line);flex-wrap:wrap;max-width:1080px;margin:0 auto}
.brand{font-size:20px;font-weight:700;color:var(--ink)}.brand .mark{color:var(--teal)}
.site-hd nav{display:flex;gap:18px}.site-hd nav a{color:var(--muted);font-weight:500;font-size:15px}
main{max-width:760px;margin:0 auto;padding:32px 24px 56px}
.wide{max-width:1080px}
h1{font-size:32px;line-height:1.2;letter-spacing:-.02em;margin:.2em 0 .4em}
h2{font-size:22px;letter-spacing:-.01em;margin:1.6em 0 .5em}
.lede{font-size:19px;color:var(--muted)}
.hero{padding:24px 0 8px}
.pill{display:inline-block;background:var(--wash);color:var(--teal-deep);font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px;margin-bottom:14px}
.cta{display:inline-block;background:var(--teal);color:#fff;font-weight:600;padding:12px 22px;border-radius:12px;margin-top:8px}
.cta:hover{background:var(--teal-deep);text-decoration:none}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}
.card{border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.card h3{margin:0 0 6px;font-size:17px}.card p{margin:0;color:var(--muted);font-size:14.5px}
.answer-list{list-style:none;padding:0;margin:22px 0;display:grid;gap:2px}
.answer-list a{display:block;padding:13px 14px;border-radius:10px;color:var(--ink);font-weight:500}
.answer-list a:hover{background:var(--wash);text-decoration:none}
.answer-list .t{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-top:2px;font-weight:600}
.meta{color:var(--muted);font-size:14px;margin:10px 0 24px}
.src{margin-top:28px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;font-size:14px;color:var(--muted)}
.disc{color:var(--muted);font-size:13px}
.detail p{margin:0 0 1em}
.crumb{font-size:13px;color:var(--muted);margin-bottom:8px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.tag{background:#f6f8f9;border:1px solid var(--line);border-radius:999px;padding:3px 11px;font-size:12.5px;color:var(--muted)}
.site-ft{border-top:1px solid var(--line);padding:28px 24px;max-width:1080px;margin:0 auto;color:var(--muted);font-size:13.5px}
.site-ft .disc{margin:8px 0}.site-ft .copy{color:#9aa6ab}
@media(max-width:560px){h1{font-size:26px}.grid{grid-template-columns:1fr}}