:root{--bg:#0f1420;--panel:#171e2e;--ink:#e8ecf4;--mute:#94a0b8;--acc:#5ad1a4;--line:#253049}
*{box-sizing:border-box}html{font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
body{margin:0;background:var(--bg);color:var(--ink)}a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:920px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line)}header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{display:flex;gap:10px;align-items:center;font-weight:700;color:var(--ink)}.logo svg{width:26px;height:26px}
nav a{margin-left:22px;color:var(--mute)}nav a.on{color:var(--ink)}
.hero{padding:72px 0 48px}.hero h1{font-size:2.5rem;line-height:1.15;margin:0 0 14px;letter-spacing:-.02em}.hero p{color:var(--mute);max-width:620px;font-size:1.1rem}
pre{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px 16px;overflow:auto;font:14px/1.5 ui-monospace,Menlo,Consolas,monospace}
code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:28px 0 56px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px}.card h3{margin:0 0 6px;font-size:1.05rem}.card p{margin:0;color:var(--mute);font-size:.95rem}
table{border-collapse:collapse;width:100%;margin:18px 0}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}th{color:var(--mute);font-weight:600}
h2{margin-top:44px;letter-spacing:-.01em}.tag{display:inline-block;font-size:.8rem;border:1px solid var(--line);border-radius:99px;padding:1px 9px;color:var(--mute);margin-left:8px}
footer{border-top:1px solid var(--line);margin-top:64px;padding:22px 0 40px;color:var(--mute);font-size:.9rem}
@media(max-width:560px){.hero h1{font-size:1.9rem}nav a{margin-left:14px}}