:root{--ink:#14213d;--muted:#4a5568;--blue:#2b6cb0;--bg:#f7f9fc;--line:#e2e8f0}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,sans-serif;color:var(--ink);line-height:1.6;background:#fff}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}
.top{background:#0f2a47;color:#fff}.top .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;padding-top:10px;padding-bottom:10px}
.brand{color:#fff;font-weight:700;text-decoration:none;display:flex;align-items:center;gap:8px;font-size:1.15rem}
.brand img{border-radius:6px}
nav a{color:#cfe0f5;text-decoration:none;margin-left:18px}nav a:hover{color:#fff;text-decoration:underline}
main{padding-top:24px;padding-bottom:40px}
h1{font-size:2rem;line-height:1.2;margin:.4em 0 .6em}h2{font-size:1.4rem;margin:1.8em 0 .5em}h3{margin:.2em 0 .4em}
a{color:var(--blue)}
.hero{background:var(--bg);border-radius:12px;padding:8px 24px 18px;margin-bottom:24px}
.btn{display:inline-block;padding:10px 20px;border-radius:8px;font-weight:600;text-decoration:none;background:var(--blue);color:#fff;border:2px solid var(--blue);margin:0 8px 8px 0}
.btn.alt{background:#fff;color:var(--blue)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.card h3 a{text-decoration:none}
.shot{max-width:100%;height:auto;border-radius:10px;box-shadow:0 8px 28px rgba(0,0,0,.15);display:block;margin:12px 0 8px}
table{border-collapse:collapse;width:100%}td,th{border:1px solid var(--line);padding:9px;text-align:left;vertical-align:top}th{background:#edf2f7}
pre{background:#f4f6f9;border:1px solid var(--line);border-radius:8px;padding:12px 14px;overflow-x:auto;font-size:.88rem;line-height:1.45}
pre.output{background:#101820;color:#e8eef5;border-color:#101820}
pre.output::before{content:"Output";display:block;color:#8fb3d9;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:4px}
code{font-family:Consolas,"Cascadia Mono",monospace;font-size:.92em}
.note{background:#f0f6ff;border:1px solid #c9ddf5;border-radius:10px;padding:6px 18px;margin:28px 0}
.small,.crumbs{color:var(--muted);font-size:.9rem}
.guides{list-style:none;padding:0}.guides li{padding:10px 0;border-bottom:1px solid var(--line)}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.88rem;padding:10px 0 30px}