:root{--bg:#f7f8fb;--panel:#fff;--ink:#18202f;--muted:#667085;--line:#d8deea;--accent:#1f7a5f;--accent-soft:#e8f5f0}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
.topbar{height:56px;display:flex;align-items:center;gap:18px;padding:0 22px;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:3}.brand{font-weight:750;color:var(--ink);text-decoration:none}.topbar span{color:var(--muted);font-size:14px}
.layout{display:grid;grid-template-columns:300px minmax(0,1fr);min-height:calc(100vh - 56px)}.sidebar{border-right:1px solid var(--line);background:#fff;padding:18px 14px;position:sticky;top:56px;height:calc(100vh - 56px);overflow:auto}.group{margin-bottom:18px}.group-title{font-size:12px;font-weight:800;color:#344054;text-transform:uppercase;margin:0 0 6px 8px}.sidebar a{display:block;text-decoration:none;color:#344054;padding:7px 10px;border-radius:6px;font-size:14px}.sidebar a:hover{background:#f1f4f9}.sidebar a.active{background:var(--accent-soft);color:#0f6048;font-weight:750}
.content{padding:34px 42px}.content article{max-width:980px}.crumb{font-size:13px;color:var(--muted);margin-bottom:8px}h1{font-size:40px;line-height:1.15;margin:0 0 18px}h2{font-size:22px;margin:34px 0 10px}p{margin:0 0 12px}.notice{border:1px solid #b9dccc;background:var(--accent-soft);padding:12px 14px;border-radius:8px;color:#184d3d;margin:16px 0 24px}.muted{color:var(--muted)}ul{padding-left:22px}li{margin:6px 0}
figure{margin:18px 0;border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden}img,video{display:block;max-width:100%;height:auto;margin:0 auto}figcaption{font-size:13px;color:var(--muted);padding:8px 12px;border-top:1px solid var(--line);background:#fbfcfe}.page-footer{display:flex;gap:12px;flex-wrap:wrap;margin:40px 0 10px;padding-top:18px;border-top:1px solid var(--line)}.page-footer a{color:#11664d;text-decoration:none;font-weight:650}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#eef2f6;border:1px solid #d7dee8;border-radius:4px;padding:1px 4px;font-size:.92em}
@media(max-width:860px){.layout{grid-template-columns:1fr}.sidebar{position:relative;top:0;height:auto;border-right:0;border-bottom:1px solid var(--line)}.content{padding:24px 18px}h1{font-size:30px}.topbar{align-items:flex-start;height:auto;min-height:56px;flex-direction:column;gap:2px;padding:10px 16px}}
.topbar a{color:inherit}.home{max-width:1080px;margin:0 auto}.doc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:22px}.doc-card{display:flex;flex-direction:column;gap:8px;padding:20px;border:1px solid var(--line);border-radius:8px;background:#fff;text-decoration:none;color:var(--ink)}.doc-card:hover{border-color:var(--accent)}.doc-card strong{font-size:20px}.doc-card span{color:var(--muted)}.download{display:inline-block;border:1px solid var(--line);background:#fff;padding:10px 12px;border-radius:8px;color:#11664d;text-decoration:none;font-weight:650}.embed iframe{width:100%;aspect-ratio:16/9;border:0;display:block}@media(max-width:720px){.doc-grid{grid-template-columns:1fr}}