@layer legacy{.container{max-width:760px;margin:0 auto;padding:0 22px}.topbar{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}.topbar .container{display:flex;align-items:center;justify-content:space-between;height:60px}.logo{font-weight:600;font-size:19px;letter-spacing:-.3px;color:var(--ink);text-decoration:none;display:flex;gap:8px;align-items:center}.logo .mark{width:24px;height:24px;background:var(--brand);border-radius:7px;display:inline-block;position:relative}.logo .mark:after{content:"";position:absolute;top:7px;right:6px;bottom:7px;left:6px;border:2px solid #fff;border-radius:2px;border-top:none}.topbar nav a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:600;margin-left:18px}.topbar nav a:hover{color:var(--ink)}.crumbs{font-size:13px;color:var(--muted);padding:18px 0 0}article{padding-bottom:40px}.eyebrow{color:var(--brand-d);font-weight:600;text-transform:uppercase;letter-spacing:1.2px;font-size:12.5px;margin-top:22px}#main h1{font-size:40px;line-height:1.12;letter-spacing:-.8px;margin:10px 0 14px}#main h2{font-size:27px;line-height:1.2;letter-spacing:-.4px;margin:46px 0 10px}#main h3{font-size:20px;margin:28px 0 6px}.quick{background:var(--brand-soft);border:1px solid var(--accent-soft-2,#bfe8d6);border-radius:var(--radius);padding:20px 22px;margin:26px 0}.quick p{margin:6px 0 0;font-size:17.5px}.toc{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin:26px 0}.note{border-left:4px solid var(--brand);background:var(--soft);padding:14px 18px;border-radius:0 10px 10px 0;margin:22px 0}#main table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}#main th,#main td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}#main thead th{background:var(--soft);font-size:12.5px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}.steps{counter-reset:s;list-style:none;padding-left:0;margin:18px 0}.steps li{position:relative;padding:4px 0 16px 46px;margin:0}.steps li:before{counter-increment:s;content:counter(s);position:absolute;left:0;top:2px;width:30px;height:30px;background:var(--brand);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:15px}.steps li b{display:block}.tool{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin:30px 0;overflow:hidden}.tool .head{background:linear-gradient(135deg,var(--accent2),var(--brand));color:#fff;padding:18px 22px}.tool .head p{margin:4px 0 0;color:#e7f6ff;font-size:14px}.opts{display:flex;flex-wrap:wrap;gap:9px}.opt{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 15px;font-size:14px;font-weight:600;cursor:pointer;transition:.12s;color:var(--ink)}.opt:hover{border-color:var(--accent2);background:#eef7fb}.opt[aria-pressed=true]{background:var(--accent2);color:#fff;border-color:var(--accent2)}.result{margin-top:18px;border:1px solid var(--line);border-radius:12px;padding:16px 18px;display:none}.result.show{display:block;animation:fade .25s ease}@keyframes fade{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.badge{display:inline-block;font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.5px;padding:4px 12px;border-radius:999px}.badge.g{background:var(--brand-soft);color:var(--brand-d)}.badge.y{background:var(--warn-soft);color:var(--warn)}.badge.r{background:var(--danger-soft);color:var(--danger)}.result h4,.result .rtitle{margin:10px 0 4px;font-size:18px;font-weight:600}.result p{margin:6px 0;font-size:15.5px}.result .do{margin:8px 0 0;padding-left:18px}.result .do li{margin:4px 0;font-size:15px}details{border:1px solid var(--line);border-radius:10px;margin:10px 0;padding:0 16px;background:#fff}details .a{padding:0 0 14px}.cta{background:linear-gradient(135deg,var(--brand),var(--accent2));color:#fff;border-radius:18px;padding:30px;margin:40px 0;text-align:center}.takeaways{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:26px 0}.related{border-top:1px solid var(--line);padding-top:22px;margin-top:36px}footer.site{border-top:1px solid var(--line);background:var(--soft);margin-top:40px;padding:26px 0;color:var(--muted);font-size:13.5px}.chat-fig{margin:28px 0}.chat-fig figcaption{font-size:14px;color:var(--muted);margin:14px auto 0;text-align:center;max-width:560px;line-height:1.55}.sk-card{max-width:560px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}.sk-head{display:flex;align-items:center;gap:9px;padding:13px 18px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fbfdfc,#f4f9f6)}.sk-head:before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px var(--brand-soft)}.sk-tag{font:600 11.5px JetBrains Mono,ui-monospace,monospace;letter-spacing:.06em;text-transform:uppercase;color:var(--brand-d);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sk-chat{padding:16px 18px 4px}.sk-bubble{max-width:88%;padding:10px 14px;border-radius:14px;font-size:14.5px;line-height:1.5;margin:0 0 9px}.sk-bubble span{display:block;font-size:11px;font-weight:600;letter-spacing:.02em;opacity:.6;margin-bottom:2px}.sk-bubble.user{background:#1a2230;color:#fff;margin-left:auto;border-bottom-right-radius:4px}.sk-bubble.ai{background:var(--soft);color:var(--ink);border:1px solid var(--line);border-bottom-left-radius:4px}.sk-then{display:flex;align-items:center;gap:12px;padding:6px 18px 16px;font-size:13px;font-weight:600;color:var(--muted)}.sk-then:before,.sk-then:after{content:"";height:1px;background:var(--line);flex:1}.sk-result{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-top:1px solid var(--line)}.sk-opt{background:#fff;padding:15px 16px}.sk-opt.bad{background:var(--danger-soft)}.sk-opt.good{background:var(--brand-soft)}.sk-opt-top{display:flex;align-items:center;gap:9px;margin-bottom:7px}.sk-ic{flex:none;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center}.sk-opt.bad .sk-ic{background:var(--danger);color:#fff}.sk-opt.good .sk-ic{background:var(--brand-d);color:#fff}.sk-ic svg{width:13px;height:13px}.sk-opt-name{font:600 14.5px Poppins,sans-serif;letter-spacing:-.01em;white-space:nowrap}.sk-opt.bad .sk-opt-name{color:var(--danger)}.sk-opt.good .sk-opt-name{color:var(--brand-d)}.sk-opt-txt{font-size:13.5px;line-height:1.5;color:var(--ink);margin:0}@media(max-width:560px){.sk-result{grid-template-columns:1fr}}.chat-fig.anim .sk-bubble,.chat-fig.anim .sk-then,.chat-fig.anim .sk-opt{opacity:0;transform:translateY(8px);transition:opacity .5s ease,transform .5s ease}.chat-fig.anim.in .sk-bubble,.chat-fig.anim.in .sk-then,.chat-fig.anim.in .sk-opt{opacity:1;transform:none}.chat-fig.anim.in .sk-bubble:nth-child(2){transition-delay:.25s}.chat-fig.anim.in .sk-then{transition-delay:.5s}.chat-fig.anim.in .sk-opt:nth-child(1){transition-delay:.7s}.chat-fig.anim.in .sk-opt:nth-child(2){transition-delay:.9s}.rev{display:grid;gap:14px;margin:24px 0}.rev-group{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:0 1px 2px #10202c0a}.rev-head{display:flex;align-items:center;gap:10px;padding:11px 16px;border-bottom:1px solid var(--line)}.rev-head h3{margin:0;font:600 15px Poppins,system-ui,sans-serif;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;text-transform:none}.rev-tag{margin-left:auto;flex:none;font:600 11px JetBrains Mono,ui-monospace,monospace;letter-spacing:.03em;text-transform:uppercase;white-space:nowrap}.rev-ic{flex:none;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}.rev-ic svg{width:14px;height:14px}.rev-head.ok{background:var(--brand-soft)}.rev-head.ok .rev-ic{background:var(--brand-d)}.rev-head.ok .rev-tag{color:var(--brand-d)}.rev-head.warn{background:var(--warn-soft)}.rev-head.warn .rev-ic{background:var(--warn)}.rev-head.warn .rev-tag{color:var(--warn)}.rev-head.bad{background:var(--danger-soft)}.rev-head.bad .rev-ic{background:var(--danger)}.rev-head.bad .rev-tag{color:var(--danger)}.rev-group ul{list-style:none;margin:0;padding:4px 16px 8px}.rev-group li{display:grid;grid-template-columns:minmax(180px,235px) 1fr;gap:4px 20px;padding:11px 0;border-bottom:1px solid #edf1f6;align-items:baseline;margin:0}.rev-group li:last-child{border-bottom:0}.rev-group li b{font-size:14.5px;font-weight:600;color:var(--ink)}.rev-group li span{font-size:14px;line-height:1.5;color:var(--muted)}@media(max-width:560px){.rev-group li{grid-template-columns:1fr;gap:2px}}.rev-group li.rev-hi{background:var(--warn-soft);margin:0 -16px;padding:11px 16px 11px 13px;border-left:3px solid var(--warn)}.rev-group li.rev-hi b{color:var(--warn)}.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}@media(prefers-reduced-motion:reduce){.reveal,.chat-fig.anim .sk-bubble,.chat-fig.anim .sk-then,.chat-fig.anim .sk-opt{opacity:1;transform:none;transition:none}}#main tbody tr.row-hi td{background:var(--warn-soft);transition:background .2s}}