:root{--bg:#fbfaf7;--card:#fff;--ink:#1d1f23;--muted:#5d636e;--line:#e7e4dd;--accent:#0f766e;--accent-ink:#fff;--soft:#eef6f5;--code:#f3f1ec}
@media (prefers-color-scheme:dark){:root{--bg:#121417;--card:#1a1d21;--ink:#e9e7e2;--muted:#a2a7b0;--line:#2b2f35;--accent:#2dd4bf;--accent-ink:#06201d;--soft:#16282a;--code:#22262b}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--accent)}img{max-width:100%}
.wrap{width:100%;max-width:760px;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line);background:var(--card)}
.bar{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.logo{font-weight:800;font-size:1.25rem;text-decoration:none;color:var(--ink)}.logo span{color:var(--accent)}
nav{display:flex;flex-wrap:wrap;gap:2px 14px}nav a{color:var(--muted);text-decoration:none;font-size:.93rem;padding:6px 0}nav a:hover{color:var(--ink)}
.hero{padding:40px 0 16px}.hero h1{font-size:2rem;line-height:1.2;margin:0 0 8px}.hero p{color:var(--muted);margin:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px;margin:16px 0}
.card h2{margin:0 0 6px;font-size:1.2rem;line-height:1.35}.card h2 a{color:var(--ink);text-decoration:none}
.meta{color:var(--muted);font-size:.85rem}.meta a{color:var(--accent);text-decoration:none}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.chip{border:1px solid var(--line);background:var(--card);border-radius:999px;padding:6px 14px;text-decoration:none;color:var(--ink);font-size:.9rem}
article h1{font-size:1.9rem;line-height:1.25;margin:32px 0 6px}
article h2{font-size:1.35rem;margin:32px 0 8px}
pre{background:var(--code);padding:14px;border-radius:8px;overflow-x:auto;font-size:.85rem;line-height:1.5}
code{background:var(--code);padding:1px 5px;border-radius:4px;font-size:.9em}pre code{padding:0;background:none}
.ad-slot{border:1px dashed var(--line);border-radius:8px;min-height:90px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:.8rem;margin:24px 0}
.disclosure{font-size:.85rem;color:var(--muted);background:var(--soft);padding:10px 14px;border-radius:8px}
.aff{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-start;background:var(--soft);border:1px solid var(--line);border-radius:12px;padding:16px;margin:16px 0}
.aff b{display:block}.aff p{margin:4px 0 10px;color:var(--muted);font-size:.93rem}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:9px 16px;border-radius:8px;text-decoration:none;font-weight:600;font-size:.93rem}
.cta{background:var(--card);border:2px solid var(--accent);border-radius:12px;padding:20px;margin:28px 0}
footer{border-top:1px solid var(--line);margin-top:48px;padding:24px 0;color:var(--muted);font-size:.88rem}
footer a{color:var(--muted);margin-right:14px}
table{border-collapse:collapse;width:100%;font-size:.93rem;display:block;overflow-x:auto}th,td{border:1px solid var(--line);padding:8px;text-align:left}
.grid{display:grid;grid-template-columns:1fr;gap:16px}
.grid .card{margin:0}
@media(min-width:700px){
.wrap{max-width:960px;padding:0 24px}
.grid{grid-template-columns:repeat(2,1fr)}
.hero{padding:56px 0 20px}
.hero h1{font-size:2.3rem}
article h1{font-size:2.1rem}
.card h2{font-size:1.3rem}
}
@media(min-width:1180px){
.wrap{max-width:1140px}
.grid{grid-template-columns:repeat(3,1fr)}
body{font-size:18px;line-height:1.75}
article{max-width:920px;margin:0 auto}
.hero h1{font-size:2.5rem}
.cta{padding:26px}
}
@media(max-width:420px){
.wrap{padding:0 14px}
.hero{padding:28px 0 12px}
.hero h1{font-size:1.7rem}
article h1{font-size:1.6rem}
.card{padding:16px}
.btn{display:block;text-align:center}
}