:root{--bg:#0f1117;--surface:#161923;--text:#e4e6ef;--muted:#8b90a8;--accent:#4f8ef7;--border:#262b3d}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
.site-header{display:flex;justify-content:space-between;align-items:center;padding:1.2rem 2rem;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg);z-index:10}
.logo{font-size:1.1rem;font-weight:700;color:var(--text);text-decoration:none}
.logo span{color:var(--accent)}
nav a{margin-left:1.5rem;color:var(--muted);text-decoration:none;font-size:.95rem}
nav a:hover{color:var(--text)}
main{max-width:900px;margin:0 auto;padding:2rem}
.hero{padding:3rem 0 2rem}
.hero h1{font-size:2.2rem;margin-bottom:1rem;line-height:1.2}
.hero p{color:var(--muted);max-width:600px;margin-bottom:1.5rem}
.hero-cta{display:flex;gap:1rem;flex-wrap:wrap}
.btn{display:inline-block;padding:.7rem 1.4rem;background:var(--accent);color:#fff;text-decoration:none;border-radius:6px;font-weight:600;font-size:.95rem}
.btn.secondary{background:var(--surface);border:1px solid var(--border)}
.section{margin:2.5rem 0}
.section h2{font-size:1.4rem;margin-bottom:1.2rem}
.grid{display:grid;gap:1.5rem}
@media(min-width:700px){.grid{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.5rem}
.card h3{font-size:1.1rem;margin:.6rem 0;line-height:1.3}
.card p{color:var(--muted);font-size:.92rem;margin-bottom:1rem}
.card a{color:var(--accent);font-size:.9rem;text-decoration:none}
.tag{display:inline-block;padding:.2rem .6rem;background:rgba(79,142,247,.15);color:var(--accent);border-radius:4px;font-size:.75rem;font-weight:600;letter-spacing:.03em}
.disclosure{border:1px solid var(--border);padding:1.5rem;border-radius:10px;background:var(--surface)}
.disclosure p{color:var(--muted);font-size:.9rem}
.site-footer{border-top:1px solid var(--border);padding:2rem;text-align:center;color:var(--muted);font-size:.85rem}
.site-footer a{color:var(--muted);text-decoration:none;margin:0 .3rem}
.post h1{font-size:1.8rem;line-height:1.25;margin-bottom:.5rem}
.post .meta{color:var(--muted);font-size:.9rem;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}
.post h2{font-size:1.2rem;margin:1.8rem 0 .8rem}
.post p{margin-bottom:1rem}
.post ul{margin:0 0 1rem 1.2rem}
.post li{margin-bottom:.4rem}
.post table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.92rem}
.post th,.post td{border:1px solid var(--border);padding:.6rem .8rem;text-align:left}
.post th{background:var(--surface)}
.note{color:var(--muted);font-size:.9rem;margin-top:1rem}
.disclosure-box{border:1px solid var(--border);background:var(--surface);padding:1.2rem;border-radius:8px;margin-top:2rem;font-size:.9rem;color:var(--muted)}
.disclosure-box strong{color:var(--text)}
.disclosure-box a{color:var(--accent)}
.post ol{margin:0 0 1rem 1.2rem}
.post h3{font-size:1.05rem;margin:1.2rem 0 .5rem}