:root{--bg-dark:#0d1117;--bg-card:#161b22;--bg-code:#090c10;--border:#30363d;--text-main:#e6edf3;--text-muted:#8b949e;--green:#3fb950;--blue:#58a6ff}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg-dark);color:var(--text-main);line-height:1.75;font-size:16px}
.site-bar{background:#0d1117;border-bottom:1px solid var(--border);padding:.9rem 1.5rem;display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;align-items:center;justify-content:center}
.site-bar .brand{font-weight:800;color:#fff;text-decoration:none;font-size:1.1rem;margin-right:auto}
.site-bar a{color:var(--blue);text-decoration:none;font-size:.92rem;font-weight:500}
.site-bar a:hover{text-decoration:underline}
.hero{background:linear-gradient(135deg,#0d1117 0%,#132419 100%);border-bottom:1px solid var(--border);padding:2.75rem 1.5rem;text-align:center}
.hero h1{font-size:clamp(1.7rem,3.6vw,2.4rem);font-weight:800;color:#fff;max-width:880px;margin:0 auto .8rem;line-height:1.3}
.hero p{color:var(--text-muted);max-width:720px;margin:0 auto;font-size:1.05rem}
main{max-width:860px;margin:2rem auto 4rem;padding:0 1.5rem}
.crumbs{font-size:.88rem;color:var(--text-muted);margin-bottom:1.2rem}
.crumbs a{color:var(--blue);text-decoration:none}
article{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:2.2rem}
h2{font-size:1.45rem;color:#fff;margin:2rem 0 .9rem;padding-bottom:.5rem;border-bottom:1px solid var(--border)}
h2:first-child{margin-top:0}
h3{font-size:1.15rem;color:var(--green);margin:1.5rem 0 .5rem}
p{margin-bottom:1.05rem;color:#c9d1d9}
ul,ol{margin:0 0 1.2rem 1.5rem;color:#c9d1d9}
li{margin-bottom:.45rem}
strong{color:#fff}
a{color:var(--blue)}
code{background:#21262d;padding:.12rem .4rem;border-radius:5px;font-size:.9em;color:#e6edf3}
pre{background:var(--bg-code);border:1px solid var(--border);border-radius:8px;padding:1rem 1.2rem;overflow-x:auto;margin:0 0 1.2rem}
pre code{background:none;padding:0;font-size:.88rem;line-height:1.55}
.meta{font-size:.86rem;color:var(--text-muted);margin-bottom:1.4rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin:1rem 0}
.cards a{display:block;background:#0d1117;border:1px solid var(--border);border-radius:10px;padding:1.1rem 1.2rem;text-decoration:none}
.cards a strong{display:block;color:var(--green);margin-bottom:.3rem}
.cards a span{color:var(--text-muted);font-size:.92rem}
footer{text-align:center;padding:2.2rem 1.5rem;border-top:1px solid var(--border);color:var(--text-muted);font-size:.9rem}
footer a{color:var(--blue);text-decoration:none;margin:0 .5rem}