:root{--pd-bg:#f8f9ff;--pd-surface:#fff;--pd-surface-low:#f2f3f9;--pd-surface-high:#e6e8ed;--pd-ink:#191c20;--pd-muted:#4e5969;--pd-outline:#737686;--pd-primary:#0052d9;--pd-primary-deep:#0037a3;--pd-primary-ink:#003da6;--pd-secondary:#3256c1;--pd-tint:#f0f5ff;--pd-border:#e8eeff;--pd-border-soft:#e1e2e8;--pd-success:#00b42a;--pd-soft-shadow:#d1d9e6;--pd-glass:#ffffffd9;--pd-cta-glow:#0052d940;--pd-radius:24px;--pd-radius-md:12px;--pd-max:1440px}body,html{background:var(--pd-bg);color:var(--pd-ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Segoe UI,system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif}a{color:var(--pd-primary)}a,a:hover{text-decoration:none}a:hover{color:var(--pd-primary-deep)}.mono,code{font-family:ui-monospace,Cascadia Code,JetBrains Mono,Consolas,monospace}.neo-convex{box-shadow:-4px -4px 10px #fff,0 10px 30px #d1d9e680}.neo-convex-sm{box-shadow:-2px -2px 6px #fff,2px 4px 12px #d1d9e666}.neo-concave{box-shadow:inset 4px 4px 8px #d1d9e680,inset -4px -4px 8px #fff}.neo-primary-glow{box-shadow:0 8px 24px var(--pd-cta-glow)}.prose h1,.prose h2,.prose h3{scroll-margin-top:6rem}.prose pre{border-radius:var(--pd-radius-md);background:var(--pd-tint);color:var(--pd-ink);border:1px solid var(--pd-border);padding:1rem 1.1rem;font-size:.85rem;line-height:1.55;overflow-x:auto;box-shadow:inset 4px 4px 8px #d1d9e673,inset -4px -4px 8px #fff}.prose code{font-size:.9em}.prose .r1-callout,.prose blockquote{border-radius:var(--pd-radius-md);background:var(--pd-tint);border:1px solid var(--pd-border);border-left:5px solid var(--pd-primary);color:var(--pd-muted);margin:0;padding:1rem 1.15rem}.prose table{border-collapse:collapse;width:100%;margin:0}.prose td,.prose th{text-align:left;border:none;border-bottom:1px solid #f0f3fa;padding:.85rem .65rem}.prose th{color:var(--pd-muted);font-size:.8rem;font-weight:600}