body{margin:0;background:#fff;font-family:-apple-system,"Segoe UI",Roboto,Arial,sans-serif;line-height:1.55;color:#222}
#side{position:fixed;top:0;bottom:0;left:0;width:290px;overflow:auto;background:#1e3a5f;padding:12px 0;box-sizing:border-box}
#side .brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;padding:8px 18px 14px;font-size:18px;text-decoration:none}
#side .brand .logo{width:40px;height:40px;border-radius:50%;object-fit:cover;flex:none}
#side summary{color:#fff;font-weight:700;padding:10px 18px;cursor:pointer;font-size:15px;background:rgba(255,255,255,.06);margin-top:2px}
#side details a{display:block;color:#cfe0f5;padding:8px 18px 8px 28px;text-decoration:none;font-size:14px;line-height:1.3}
#side details a:hover{background:rgba(255,255,255,.1)}#side details a.cur{background:rgba(255,255,255,.2);color:#fff;font-weight:600}
main{margin-left:290px;padding:24px 32px;max-width:1100px}
.pnav{display:flex;justify-content:space-between;gap:16px;margin:8px 0 20px;font-size:14px}.pnav a{color:#1976d2;text-decoration:none}
.contents img{max-width:100%;height:auto}.contents table{border-collapse:collapse}
.toc-anchor{display:none}
.contents h1{font-size:28px;margin:28px 0 12px}.contents h2{font-size:23px;margin:24px 0 10px}.contents h3{font-size:19px;margin:20px 0 8px}
.contents pre,.contents code{font-family:Consolas,"DejaVu Sans Mono",monospace}
.cards{display:flex;gap:16px;flex-wrap:wrap}.card{flex:1 1 200px;padding:22px;border-radius:12px;background:#1e3a5f;color:#fff;text-decoration:none;display:flex;flex-direction:column;gap:6px}
.card b{font-size:20px}.card span{opacity:.8;font-size:14px}
@media(max-width:800px){#side{position:static;width:auto}main{margin:0;padding:16px}}