:root{--bg:#f7f7f9;--fg:#18181f;--muted:#5d5e6b;--rule:#dcdce3;--accent:#e2364f;--panel:#fff;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#131318;--fg:#ececf1;--muted:#a1a2b0;--rule:#2b2b34;--accent:#ff5c72;--panel:#1b1b22;color-scheme:dark}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,-apple-system,"Segoe UI",sans-serif}
.wrap{max-width:46rem;margin:0 auto;padding:40px max(16px,env(safe-area-inset-left)) 64px}
header.top{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.logo{font-weight:700;font-size:20px;color:var(--fg);text-decoration:none}.logo span{color:var(--accent)}
nav a{color:var(--muted);text-decoration:none;margin-left:16px;font-size:15px}nav a:hover{color:var(--fg)}
h1{font-size:2.2rem;line-height:1.15;margin:0 0 16px;text-wrap:balance}h2{font-size:1.35rem;margin:36px 0 8px}h3{font-size:1rem;margin:22px 0 4px}
.lead{font-size:1.15rem;color:var(--muted)}a{color:var(--accent)}
.steps{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(13rem,1fr));margin:24px 0}
.step{background:var(--panel);border:1px solid var(--rule);border-radius:10px;padding:16px}.step b{display:block;margin-bottom:4px}
code{background:var(--panel);border:1px solid var(--rule);border-radius:4px;padding:1px 6px;font-size:14px;overflow-wrap:anywhere}
footer{border-top:1px solid var(--rule);margin-top:48px;padding-top:16px;color:var(--muted);font-size:14px}