:root{--bg:#eef1f2;--surface:#fff;--surface-2:#f7f9fa;--ink:#161d21;--muted:#5c676d;--faint:#8a959b;--hair:#dde3e6;--hair-strong:#c7d0d4;--accent:#0d6b78;--accent-soft:#8fc4cc;--pass:#2e7d55;--warn:#b5791d;--fail:#b23a48;--grid:#e7ecee;--serif:"Iowan Old Style",Palatino,Georgia,serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace}@media 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.wrap{padding-top:0;padding-bottom:0}@media (max-width:820px){.split{grid-template-columns:1fr}}@media (max-width:600px){.nav{flex-wrap:wrap;gap:4px}.wrap{padding:28px 16px 64px}.grid2{grid-template-columns:1fr!important}}.callout{background:color-mix(in srgb,var(--accent) 7%,var(--surface));border:1px solid var(--hair);border-left:3px solid var(--accent);border-radius:10px;padding:18px 22px}.callout .k{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:7px}.callout p{margin:0}.grid-cards{display:grid;grid-gap:14px;gap:14px;grid-template-columns:repeat(auto-fit,minmax(232px,1fr))}.xcard{background:var(--surface);border:1px solid var(--hair);border-radius:11px;padding:15px 17px}.xcard .k{font-family:var(--mono);font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--accent)}.xcard h4{margin:3px 0 6px;font-family:var(--sans);font-size:15px;font-weight:650}.xcard p{margin:0;font-size:13px;color:var(--muted);line-height:1.5}.pipe{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.pipe-box{flex:1 1 120px;min-width:108px;background:var(--surface-2);border:1px solid var(--hair);border-radius:10px;padding:12px 13px;text-align:center}.pipe-box .t{font-family:var(--mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--accent)}.pipe-box .d{font-size:12.5px;color:var(--muted);margin-top:3px;line-height:1.35}.pipe-box.model{background:color-mix(in srgb,var(--accent) 11%,var(--surface));border-color:var(--accent-soft)}.pipe-box.model .t{color:var(--ink)}.pipe-arrow{color:var(--faint);font-size:17px;flex:0 0 auto}.sec-lead{max-width:700px;color:var(--muted)}.divider{height:1px;background:var(--hair);margin:46px 0;border:0}