.td-rag{--navy:#0a1438;--blue:#1e5bd6;--blue-soft:#e8effc;--ink:#1b2233;--mute:#5b6478;--line:#dce3f0;--tint:#f5f8fd;--warn:#fff8f0;--warn-line:#f2d8b8;--warn-ink:#8a4b08;font-family:var(--font-hanken), system-ui, -apple-system, sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased;background:#fff;font-size:17px;line-height:1.65}.td-rag *,.td-rag :before,.td-rag :after{box-sizing:border-box}.td-rag .td-rag-wrap{max-width:1200px;margin:0 auto;padding:0 24px}.td-rag a{color:var(--blue);text-decoration:none}.td-rag a:hover{text-decoration:underline}.td-rag .td-rag-mono{font-family:var(--font-hanken), ui-monospace, monospace;letter-spacing:.06em;text-transform:uppercase;font-size:12px}.td-rag .td-rag-hero{background:var(--navy);color:#fff;background-image:linear-gradient(#ffffff0e 1px,#0000 1px),linear-gradient(90deg,#ffffff0e 1px,#0000 1px);background-size:32px 32px;padding:120px 0 64px;position:relative;overflow:hidden}.td-rag .td-rag-crumb{color:#9fb0d6;margin-bottom:40px}.td-rag .td-rag-crumb a{color:#c9d4ee}.td-rag .td-rag-crumb span{opacity:.6;margin:0 8px}.td-rag .td-rag-chip{color:#bbd0ff;background:#1e5bd640;border:1px solid #6fa0ff73;border-radius:999px;padding:5px 14px;display:inline-block}.td-rag .td-rag-hero h1{font-family:var(--font-bricolage), system-ui, sans-serif;letter-spacing:-.02em;color:#fff;max-width:900px;margin:20px 0 18px;font-size:clamp(32px,4.6vw,54px);font-weight:700;line-height:1.08}.td-rag .td-rag-hero h1 em{color:#7fa8ff;font-style:normal}.td-rag .td-rag-hero .td-rag-sub{color:#c9d4ee;max-width:760px;margin:0 0 28px;font-size:clamp(17px,1.6vw,20px)}.td-rag .td-rag-by{color:#c9d4ee;flex-wrap:wrap;align-items:center;gap:14px;font-size:15px;display:flex}.td-rag .td-rag-avatar{color:#fff;width:44px;height:44px;font-weight:700;font-family:var(--font-bricolage), sans-serif;background:#1e5bd6;border-radius:50%;place-items:center;display:grid}.td-rag .td-rag-by b{color:#fff;font-weight:600}.td-rag .td-rag-ai{flex-wrap:wrap;align-items:center;gap:8px;margin-top:26px;display:flex}.td-rag .td-rag-ai .td-rag-mono{color:#9fb0d6;margin-right:4px}.td-rag .td-rag-ai a{color:#e4ebfa;border:1px solid #ffffff38;border-radius:999px;padding:5px 13px;font-size:14px}.td-rag .td-rag-ai a:hover{background:#ffffff14;text-decoration:none}.td-rag .td-rag-stats{z-index:2;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:-36px;display:grid;position:relative}.td-rag .td-rag-stat{border:1px solid var(--line);background:#fff;border-radius:18px;padding:22px 24px;box-shadow:0 10px 30px #0a143814}.td-rag .td-rag-stat-n{font-family:var(--font-bricolage), sans-serif;color:var(--blue);letter-spacing:-.02em;font-size:38px;font-weight:700;line-height:1}.td-rag .td-rag-stat-l{color:var(--mute);margin-top:8px;font-size:15px;line-height:1.45}.td-rag .td-rag-layout{grid-template-columns:240px minmax(0,1fr);gap:56px;padding:56px 0 24px;display:grid}.td-rag .td-rag-toc{align-self:start;position:sticky;top:96px}.td-rag .td-rag-toc .td-rag-mono{color:var(--mute);margin-bottom:12px;display:block}.td-rag .td-rag-toc ol{border-left:2px solid var(--line);margin:0;padding:0;list-style:none}.td-rag .td-rag-toc li{margin:0}.td-rag .td-rag-toc a{color:var(--mute);border-left:2px solid #0000;margin-left:-2px;padding:7px 0 7px 14px;font-size:14.5px;line-height:1.4;display:block}.td-rag .td-rag-toc a:hover{color:var(--navy);text-decoration:none}.td-rag .td-rag-toc a.td-rag-active{color:var(--blue);border-left-color:var(--blue);font-weight:600}.td-rag .td-rag-body{max-width:760px}.td-rag .td-rag-body h2{font-family:var(--font-bricolage), sans-serif;color:var(--navy);letter-spacing:-.015em;margin:56px 0 16px;scroll-margin-top:96px;font-size:clamp(25px,2.6vw,31px);font-weight:700;line-height:1.2}.td-rag .td-rag-body h2:first-child{margin-top:0}.td-rag .td-rag-body h3{font-family:var(--font-bricolage), sans-serif;color:var(--navy);margin:32px 0 10px;font-size:20px;font-weight:600;line-height:1.3}.td-rag .td-rag-body p{margin:0 0 18px}.td-rag .td-rag-body ul,.td-rag .td-rag-body ol{margin:0 0 20px;padding-left:22px}.td-rag .td-rag-body li{margin-bottom:8px}.td-rag .td-rag-body strong{color:var(--navy)}.td-rag .td-rag-body code{font-family:var(--font-hanken), ui-monospace, monospace;background:var(--blue-soft);color:var(--navy);word-break:break-word;border-radius:6px;padding:2px 6px;font-size:.86em}.td-rag .td-rag-pull{border-left:4px solid var(--blue);font-family:var(--font-bricolage), sans-serif;color:var(--navy);margin:36px 0;padding:6px 0 6px 26px;font-size:clamp(21px,2.2vw,26px);font-weight:600;line-height:1.3}.td-rag .td-rag-table{border:1px solid var(--line);-webkit-overflow-scrolling:touch;border-radius:18px;margin:22px 0 28px;overflow-x:auto}.td-rag .td-rag-table table{border-collapse:collapse;width:100%;min-width:620px;font-size:15px}.td-rag .td-rag-table th{background:var(--navy);color:#fff;text-align:left;padding:13px 16px;font-size:14px;font-weight:600}.td-rag .td-rag-table td{border-top:1px solid var(--line);vertical-align:top;padding:13px 16px;line-height:1.5}.td-rag .td-rag-table tr:nth-child(2n) td{background:var(--tint)}.td-rag .td-rag-table td:first-child{color:var(--navy);font-weight:600}.td-rag .td-rag-stages{counter-reset:st;gap:14px;margin:24px 0 30px;display:grid}.td-rag .td-rag-stage{border:1px solid var(--line);background:#fff;border-radius:18px;grid-template-columns:48px 1fr;gap:16px;padding:18px 20px;display:grid}.td-rag .td-rag-stage:before{counter-increment:st;content:counter(st);background:var(--blue);color:#fff;width:40px;height:40px;font-weight:700;font-family:var(--font-bricolage), sans-serif;border-radius:50%;place-items:center;display:grid}.td-rag .td-rag-stage h4{color:var(--navy);font-size:17px;font-family:var(--font-bricolage), sans-serif;margin:2px 0 4px}.td-rag .td-rag-stage p{color:var(--mute);margin:0;font-size:15.5px}.td-rag .td-rag-flow{grid-template-columns:repeat(5,1fr);gap:10px;margin:24px 0 8px;display:grid}.td-rag .td-rag-flow div{background:var(--tint);border:1px solid var(--line);color:var(--mute);border-radius:14px;padding:14px 12px;font-size:14px;line-height:1.4;position:relative}.td-rag .td-rag-flow b{color:var(--navy);margin-bottom:4px;font-size:15px;display:block}.td-rag .td-rag-flow div:not(:last-child):after{content:"";background:var(--blue);width:8px;height:2px;position:absolute;top:50%;right:-9px}.td-rag pre.td-rag-code{background:var(--navy);color:#e4ebfa;font-family:var(--font-hanken), ui-monospace, monospace;border-radius:18px;margin:20px 0 26px;padding:22px 24px;font-size:14px;line-height:1.6;overflow-x:auto}.td-rag pre.td-rag-code code{color:inherit;font-size:inherit;word-break:normal;background:0 0;border-radius:0;padding:0}.td-rag pre.td-rag-code .td-rag-c{color:#8fa6d6}.td-rag .td-rag-box{border:1px solid var(--line);border-radius:18px;margin:32px 0;padding:26px 28px}.td-rag .td-rag-box h3{margin-top:0}.td-rag .td-rag-box ul,.td-rag .td-rag-box ol{margin-bottom:0}.td-rag .td-rag-not{background:var(--warn);border-color:var(--warn-line)}.td-rag .td-rag-not h3{color:var(--warn-ink)}.td-rag .td-rag-body ul.td-rag-check{padding-left:0;list-style:none}.td-rag .td-rag-check li{margin-bottom:12px;padding-left:34px;position:relative}.td-rag .td-rag-check li:before{content:"";border:2px solid var(--blue);border-radius:6px;width:20px;height:20px;position:absolute;top:3px;left:0}.td-rag .td-rag-todo{background:var(--tint)}.td-rag .td-rag-cta{background:var(--navy);color:#fff;background-image:linear-gradient(#ffffff0e 1px,#0000 1px),linear-gradient(90deg,#ffffff0e 1px,#0000 1px);background-size:28px 28px;border-radius:18px;margin:44px 0;padding:36px}.td-rag .td-rag-cta h3{color:#fff;margin:0 0 10px;font-size:26px}.td-rag .td-rag-cta p{color:#c9d4ee;max-width:600px;margin:0 0 22px}.td-rag a.td-rag-btn{background:var(--blue);color:#fff;border-radius:999px;padding:13px 26px;font-weight:600;transition:transform .15s,background .15s;display:inline-block}.td-rag a.td-rag-btn:hover{background:#2f6deb;text-decoration:none;transform:translateY(-1px)}.td-rag .td-rag-faq details{border-bottom:1px solid var(--line);padding:18px 0}.td-rag .td-rag-faq summary{cursor:pointer;color:var(--navy);justify-content:space-between;gap:16px;font-size:18px;font-weight:600;list-style:none;display:flex}.td-rag .td-rag-faq summary::-webkit-details-marker{display:none}.td-rag .td-rag-faq summary:after{content:"+";color:var(--blue);font-size:24px;line-height:1}.td-rag .td-rag-faq details[open] summary:after{content:"−"}.td-rag .td-rag-faq details p{color:var(--mute);margin:12px 0 0}.td-rag .td-rag-author{border:1px solid var(--line);background:#fff;border-radius:18px;grid-template-columns:72px 1fr;gap:20px;margin:48px 0 32px;padding:26px;display:grid}.td-rag .td-rag-author .td-rag-avatar{width:72px;height:72px;font-size:26px}.td-rag .td-rag-author h4{font-family:var(--font-bricolage), sans-serif;color:var(--navy);margin:0 0 2px;font-size:19px}.td-rag .td-rag-author .td-rag-mono{color:var(--blue)}.td-rag .td-rag-author p{color:var(--mute);margin:10px 0 0;font-size:15.5px}.td-rag .td-rag-pn{grid-template-columns:1fr 1fr;gap:16px;padding:8px 0 72px;display:grid}.td-rag .td-rag-pn a{border:1px solid var(--line);color:var(--navy);border-radius:18px;padding:20px 22px;font-weight:600;line-height:1.35;display:block}.td-rag .td-rag-pn a:hover{border-color:var(--blue);text-decoration:none}.td-rag .td-rag-pn .td-rag-mono{color:var(--mute);margin-bottom:6px;font-weight:400;display:block}.td-rag .td-rag-pn a.td-rag-next{text-align:right}.td-rag.td-rag-js .td-rag-reveal{opacity:0;transition:opacity .6s,transform .6s;transform:translateY(16px)}.td-rag.td-rag-js .td-rag-reveal.td-rag-in{opacity:1;transform:none}@media (prefers-reduced-motion:reduce){.td-rag.td-rag-js .td-rag-reveal{opacity:1;transition:none;transform:none}.td-rag a.td-rag-btn{transition:none}}@media (max-width:1024px){.td-rag .td-rag-layout{grid-template-columns:minmax(0,1fr);gap:0}.td-rag .td-rag-toc{display:none}.td-rag .td-rag-body{max-width:none}}@media (max-width:760px){.td-rag{font-size:16px}.td-rag .td-rag-wrap{padding:0 16px}.td-rag .td-rag-stats{grid-template-columns:1fr;gap:12px}.td-rag .td-rag-stat-n{font-size:32px}.td-rag .td-rag-flow{grid-template-columns:1fr}.td-rag .td-rag-flow div:not(:last-child):after{width:2px;height:8px;top:auto;bottom:-8px;right:50%}.td-rag .td-rag-cta{padding:26px 22px}.td-rag .td-rag-box{padding:22px 20px}.td-rag .td-rag-pn{grid-template-columns:1fr}.td-rag .td-rag-pn a.td-rag-next{text-align:left}.td-rag .td-rag-author{grid-template-columns:1fr}.td-rag .td-rag-crumb{margin-bottom:28px}.td-rag .td-rag-hero{padding-bottom:56px}}