:root{--paper: #f5f4f1;--ink: #171717;--red: #c93424;--muted: #65635e;--rule: #d4d1ca;--serif: "Songti SC", "STSong", "Noto Serif SC", serif;--sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;color:var(--ink);background:var(--paper);font-family:var(--sans);font-synthesis:none;scroll-behavior:smooth}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:2px solid var(--red);outline-offset:5px}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:var(--serif);font-weight:500;text-wrap:balance}p{line-height:1.8}[hidden]{display:none!important}.atlas-header,.atlas-main,.atlas-footer,.essay-header{max-width:1440px;margin-inline:auto;padding-inline:6.5%}.atlas-header{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:25px;border-bottom:1px solid var(--rule)}.atlas-brand{display:flex;align-items:center;gap:13px;letter-spacing:.16em;font-size:16px;white-space:nowrap;min-height:44px}.atlas-brand img{width:30px;height:30px}.atlas-nav{display:flex;gap:32px}.atlas-nav a{position:relative;display:grid;gap:5px;padding:8px 0;min-height:54px;font-size:16px}.atlas-nav small{color:var(--muted);font-size:12px;letter-spacing:.06em;white-space:nowrap}.atlas-nav a[aria-current]{color:var(--red)}.atlas-nav a[aria-current]:before{content:"";position:absolute;width:5px;height:5px;left:-12px;top:17px;border-radius:50%;background:var(--red)}.atlas-skip{position:fixed;top:8px;left:12px;transform:translateY(-160%);z-index:20;background:var(--paper);padding:12px}.atlas-skip:focus{transform:none}.frontier{padding-block:48px 20px}.frontier-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:35px}.frontier-heading h1{font-size:clamp(32px,3.1vw,46px);line-height:1.3;margin-bottom:12px}.frontier-heading p{font-size:17px;color:var(--muted)}.frontier-edition{font-size:14px;min-width:220px}.frontier-edition p{font-size:14px}.frontier-stale{color:var(--red)!important;max-width:280px}.frontier-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(280px,1fr);gap:30px;align-items:start}.frontier-map{position:relative;min-height:540px;background-image:linear-gradient(#dedbd350 1px,transparent 1px),linear-gradient(90deg,#dedbd350 1px,transparent 1px);background-size:32px 32px;isolation:isolate;border:1px solid #e3e0d8}.frontier-terrain{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:-1}.contours{fill:none;stroke:#cfccc2;stroke-width:1;opacity:.45}.frontier-relation{fill:none;stroke:#b9b4aa;stroke-width:1;stroke-dasharray:4 7}.map-region{position:absolute;color:#88847b;font-size:14px;letter-spacing:.15em}.region-models{top:5%;left:8%}.region-agents{top:36%;left:20%}.region-engineering{top:68%;left:8%}.region-action{top:68%;left:61%}.frontier-stop{position:absolute;left:var(--x);top:var(--y);width:32%;max-width:235px;padding:4px 8px 7px 20px;display:grid;gap:5px;transition:color .16s;min-height:75px}.frontier-stop strong{font-size:17px;font-weight:500}.frontier-stop>span:not(.map-dot){font-size:14px;line-height:1.6}.frontier-stop small{font-size:12px;color:var(--muted)}.map-dot{position:absolute;left:-6px;top:8px;width:13px;height:13px;border-radius:50%;border:1.5px solid var(--ink);background:var(--paper)}.frontier-stop[aria-current]{color:var(--red)}.frontier-stop[aria-current] .map-dot{background:var(--red);border-color:var(--red);box-shadow:0 0 0 6px var(--paper),0 0 0 7px #c9342460}.frontier-stop:hover{color:var(--red)}.frontier-stop b{font-weight:500;color:var(--red);margin-left:5px}.map-key{position:absolute;bottom:12px;left:20px;display:flex;flex-wrap:wrap;gap:16px;font-size:12px;color:var(--muted);line-height:1.5}.frontier-readings{border-left:1px solid var(--rule);padding-left:30px;min-height:540px}.frontier-panel{scroll-margin-top:28px}.frontier-panel+.frontier-panel{margin-top:40px;border-top:1px solid var(--rule);padding-top:25px}.atlas-enhanced .frontier-panel{border:0;margin:0;padding:0}.atlas-kicker{color:var(--red);font-size:14px}.frontier-panel h2{font-size:32px;line-height:1.4;margin:14px 0 15px;outline:0}.atlas-meta{font-size:13px;color:var(--muted);line-height:1.7}.frontier-panel h3{font-family:var(--sans);font-size:14px;color:var(--muted);margin:23px 0 7px}.frontier-panel h3 small{font-size:12px;font-weight:400;margin-left:8px}.frontier-panel>p:not(.atlas-meta):not(.atlas-kicker){font-size:16px;line-height:1.8}.atlas-caveat{font-size:14px!important;color:var(--muted);margin-top:20px}.atlas-link{display:table;min-height:44px;padding:12px 0 6px;line-height:1.6;border-bottom:1px solid var(--red);font-size:15px;margin-top:8px}.next-path{margin-top:10px}.frontier-scope{font-size:13px;color:var(--muted);margin-top:16px}.atlas-continue{display:grid;grid-template-columns:1fr 1fr;gap:25px 50px;border-top:1px solid var(--rule);padding:25px 0 45px}.atlas-continue>h2{grid-column:1/-1;font-family:var(--sans);font-size:16px;font-weight:500}.atlas-continue>a{padding:8px 0;min-height:100px}.atlas-continue>a+a{border-left:1px solid var(--rule);padding-left:40px}.atlas-continue span{font-size:13px;color:var(--muted)}.atlas-continue h3{font-size:25px;line-height:1.5;margin:9px 0}.atlas-continue h3 b{font:18px var(--sans);color:var(--red)}.atlas-continue p{font-size:15px;color:var(--muted)}.atlas-footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--rule);padding-block:22px;font-size:13px;color:var(--muted)}.atlas-footer a{min-height:44px;display:flex;align-items:center}.atlas-footer>span{display:flex;align-items:center}.judgment-section{padding-block:44px}.section-line{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:14px;color:var(--muted);margin-bottom:20px}.section-line>span:first-child{color:var(--ink)}.section-line>a{display:flex;align-items:center;min-height:44px}.judgment-title{font-size:clamp(30px,3.05vw,44px);line-height:1.45;max-width:1100px}.section-deck{font-size:18px;color:var(--muted);margin:15px 0 28px}.judgment-layout{display:grid;grid-template-columns:minmax(0,1.8fr) minmax(280px,1fr);gap:30px}.judgment-chart{position:relative;height:450px;background-image:linear-gradient(#dedbd370 1px,transparent 1px),linear-gradient(90deg,#dedbd370 1px,transparent 1px);background-size:30px 30px;border:1px solid #e3e0d8}.judgment-paths{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;fill:none;stroke:var(--red);stroke-width:1.5}.judgment-paths .branch{stroke:#8d8a83;stroke-dasharray:5 5}.reading-stop{position:absolute;left:var(--x);top:var(--y);padding:0 8px 8px 23px;min-height:55px;width:32%;display:grid;gap:5px;line-height:1.5}.reading-stop:last-of-type{width:24%}.reading-stop:before{content:"";position:absolute;left:-6px;top:9px;width:13px;height:13px;border-radius:50%;border:1.5px solid var(--ink);background:var(--paper)}.reading-stop strong{font-weight:500;font-size:16px}.reading-stop span{font-size:14px}.reading-stop[aria-current]{color:var(--red)}.reading-stop[aria-current]:before{background:var(--red);border-color:var(--red);box-shadow:0 0 0 6px #c9342416,0 0 0 7px #c9342450}.judgment-readings{border-left:1px solid var(--rule);padding-left:30px}.judgment-panel{scroll-margin-top:25px;margin-bottom:30px}.judgment-panel h3{font-size:32px;line-height:1.5;margin:15px 0 22px;outline:0}.judgment-panel>p{font-size:17px;line-height:1.9}.judgment-panel .atlas-kicker,.judgment-panel .atlas-caveat{font-size:14px}.judgment-chart .map-key{font-size:12px}.article-body{max-width:780px;margin:20px auto 75px}.article-body>section{padding:35px 0;border-top:1px solid var(--rule);scroll-margin-top:25px}.article-body h2{font-size:30px;line-height:1.5;margin-bottom:24px}.article-body p,.article-body li{font-size:18px;line-height:1.95;margin-bottom:18px}.article-body .atlas-meta{font-size:14px}.article-body a:not(.atlas-link){text-decoration:underline;text-underline-offset:4px;text-decoration-color:#b8b4aa}.article-body ol{padding-left:25px}.article-body aside{border-left:2px solid var(--red);padding-left:22px;margin:30px 0;color:var(--muted)}.essay-header{padding-top:45px}.essay-header h1{font-size:clamp(32px,4vw,54px);line-height:1.35;max-width:850px;margin:24px 0}.essay-header .atlas-meta{font-size:14px}.result-table{width:100%;border-collapse:collapse;font-size:16px;margin:24px 0}.result-table th,.result-table td{text-align:left;padding:16px 10px;border-bottom:1px solid var(--rule)}.result-table thead{font-weight:500}.decision{color:var(--red)}.article-route{display:flex;flex-wrap:wrap;gap:10px 24px;border-bottom:1px solid var(--rule);padding:18px 0;margin-bottom:18px}.article-route a{font-size:14px;min-height:44px;display:flex;align-items:center}.article-route a:hover{color:var(--red)}@media(min-width:1441px){.atlas-header,.atlas-main,.atlas-footer,.essay-header{padding-inline:94px}}@media(max-width:1100px){.atlas-header,.atlas-main,.atlas-footer,.essay-header{padding-inline:5%}.frontier-layout,.judgment-layout{grid-template-columns:minmax(0,1.5fr) minmax(270px,1fr);gap:22px}.frontier-readings,.judgment-readings{padding-left:22px}.frontier-stop{width:32%}.frontier-stop strong{font-size:16px}.frontier-stop>span:not(.map-dot){font-size:13px}.frontier-map{min-height:550px}.judgment-panel h3{font-size:28px}}@media(max-width:850px){.frontier-layout,.judgment-layout{grid-template-columns:1fr}.frontier-readings,.judgment-readings{border-left:0;border-top:1px solid var(--rule);padding:25px 0 0;min-height:0}.frontier-map{min-height:520px}.frontier-panel h2{max-width:600px}.frontier-panel p{max-width:650px}.frontier-heading{align-items:flex-start}.frontier-stop strong{font-size:18px}.frontier-stop>span:not(.map-dot){font-size:16px}.frontier-stop small{font-size:14px}.atlas-nav{gap:22px}.article-body{margin-inline:5%}}@media(max-width:650px){.atlas-header{padding:20px;flex-wrap:wrap;gap:15px}.atlas-brand{font-size:15px}.atlas-nav{width:100%;justify-content:space-between;gap:12px;padding-left:8px}.atlas-nav small{font-size:12px}.atlas-main,.atlas-footer,.essay-header{padding-inline:20px}.frontier{padding-top:30px}.frontier-heading{display:block;margin-bottom:24px}.frontier-heading h1{font-size:32px}.frontier-heading p{font-size:16px}.frontier-edition{margin-top:16px;font-size:14px}.frontier-edition p{font-size:14px}.frontier-map{min-height:0;padding:18px 14px 10px}.map-region,.frontier-terrain{display:none}.frontier-stops{display:grid;gap:8px}.frontier-stop{position:relative;top:auto;left:auto;max-width:none;width:100%;padding:10px 10px 10px 25px;min-height:88px;border-left:1px dashed #bcb7ae;margin-left:7px}.frontier-stop strong{font-size:18px}.frontier-stop>span:not(.map-dot){font-size:16px}.frontier-stop small{font-size:14px}.frontier-stop .map-dot{top:16px;left:-7px}.frontier-stop[aria-current]{background:#c9342407}.map-key{position:static;margin:15px 0 6px;font-size:12px;gap:10px}.frontier-panel h2{font-size:30px}.frontier-panel>p:not(.atlas-meta):not(.atlas-kicker){font-size:18px}.atlas-meta,.frontier-panel h3,.frontier-panel h3 small,.atlas-caveat,.frontier-scope{font-size:14px!important}.atlas-link{font-size:16px}.atlas-continue{grid-template-columns:1fr;gap:18px}.atlas-continue>a+a{border-left:0;border-top:1px solid var(--rule);padding:23px 0 0}.atlas-continue h3{font-size:25px}.atlas-continue p{font-size:16px}.atlas-continue span{font-size:14px}.atlas-footer{font-size:13px;flex-wrap:wrap;gap:4px 20px;padding-block:18px 30px}.atlas-footer>span{width:100%;min-height:35px}.section-line{font-size:14px;align-items:flex-start;gap:15px}.judgment-section{padding-block:28px}.judgment-title{font-size:30px}.section-deck{font-size:17px}.judgment-chart{height:auto;padding:18px 15px 12px}.judgment-paths{display:none}.reading-stop,.reading-stop:last-of-type{position:relative;left:auto;top:auto;width:100%;min-height:70px;padding:8px 8px 12px 30px;border-left:1px solid #ce6d63;margin-left:7px}.reading-stop:before{left:-7px;top:15px}.reading-stop:nth-of-type(n+4){border-left-style:dashed;border-left-color:#8d8a83}.reading-stop strong,.reading-stop span{font-size:16px}.reading-stop[aria-current]{background:#c9342407}.judgment-chart .map-key{font-size:12px}.judgment-panel h3{font-size:30px}.judgment-panel>p{font-size:18px}.article-body{margin:15px 20px 45px}.article-body h2{font-size:26px}.article-body p,.article-body li{font-size:18px}.essay-header{padding-top:28px}.essay-header h1{font-size:32px}.result-table{font-size:15px}.result-table th,.result-table td{padding:14px 7px}}@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}.stop-region{display:none;font-style:normal;color:var(--muted);font-size:14px}.map-return{display:none;border:0;border-bottom:1px solid var(--rule);background:none;color:var(--muted);min-height:44px;margin-top:18px;padding:6px 0;cursor:pointer;font-size:14px}.frontier-panel h2:focus-visible,.judgment-panel h3:focus-visible{outline:2px solid var(--red);outline-offset:6px}.article-route a{position:relative;text-decoration:none!important}.article-route a:before{content:"";width:7px;height:7px;flex-shrink:0;margin-right:10px;border:1px solid var(--muted);border-radius:50%;background:var(--paper)}.article-route a:hover:before,.article-route a:focus-visible:before{background:var(--red);border-color:var(--red)}.result-table caption{text-align:left;font-size:14px;color:var(--muted);padding-bottom:10px}.client-entry{padding-top:25px;border-top:1px solid var(--rule)}@media(min-width:1101px){.article-with-route{position:relative;margin-left:30%;margin-right:6.5%;max-width:820px}.article-with-route>.article-route{position:sticky;top:35px;float:left;width:180px;margin:0 0 0 -240px;padding:0;display:grid;gap:20px;border:0}.article-with-route>.article-route:before{content:"";position:absolute;left:3px;top:22px;bottom:22px;border-left:1px solid var(--rule)}.article-with-route>.article-route a{font-size:16px;gap:10px}}@media(max-width:850px){.map-return{display:table}}@media(max-width:650px){.stop-region{display:block}.frontier-stop{min-height:112px}.atlas-nav small,.map-key,.judgment-chart .map-key{font-size:14px;letter-spacing:0}.atlas-footer{font-size:14px}.atlas-brand{font-size:15px}}