:root{--obs-bg:#fdfcf9;--obs-surface:#fffefc;--obs-surface-soft:#faf9f6;--obs-ink:#111;--obs-ink-2:#66645f;--obs-ink-3:#8b8881;--obs-line:#e2e0da;--obs-line-strong:#cbc8c0;--obs-accent:#2f9b50;--obs-accent-soft:#2f9b501a;--obs-danger:#a66a4d;--obs-radius-card:11px;--obs-radius-control:8px;--obs-shadow-card:0 1px 2px #11111108, 0 8px 24px #11111109;--obs-page-inset:48px;--obs-max-content:1220px;--obs-grid-gap:24px;--obs-nav-height:55px;--obs-section-gap:112px;--obs-section-gap-tight:84px;--obs-font-ui:"Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--obs-font-display:"Newsreader", "Iowan Old Style", "Palatino Linotype", Georgia, serif;--obs-text-micro:10.8px;--obs-text-xs:12px;--obs-text-sm:11px;--obs-text-body:12px;--obs-text-nav:13px;--obs-text-panel:11px;--obs-text-metric:22px;--obs-text-hero:44px;--obs-motion-fast:.14s;--obs-motion-base:.2s}html,body{background:var(--obs-bg);color:var(--obs-ink);font-family:var(--obs-font-ui)}[data-golden=true] *,[data-golden=true] :before,[data-golden=true] :after{caret-color:#0000!important;transition:none!important;animation:none!important}
.og{background:var(--obs-bg);width:100%;min-height:992px;color:var(--obs-ink);font-family:var(--obs-font-ui);font-size:var(--obs-text-body);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;font-feature-settings:"tnum" 1, "cv05" 1;overflow-x:hidden}.og-in{padding:0 var(--obs-page-inset)}.og-header{border-bottom:1px solid var(--obs-line)}.og-header-in{height:var(--obs-nav-height);max-width:var(--obs-max-content);width:100%;padding:0 var(--obs-page-inset);align-items:center;gap:26px;margin-inline:auto;display:flex}.og-menu-btn{border:1px solid var(--obs-line-strong);background:var(--obs-surface);width:34px;height:30px;color:var(--obs-ink);cursor:pointer;border-radius:8px;place-items:center;margin-left:2px;display:none}.og-mobile-nav{padding:6px var(--obs-page-inset) 12px;border-top:1px solid var(--obs-line);flex-direction:column;display:none}.og-mobile-nav a{color:var(--obs-ink-2);border-bottom:1px solid var(--obs-line);padding:11px 2px;font-size:15px;text-decoration:none}.og-mobile-nav a.active{color:var(--obs-ink);font-weight:600}.og-mobile-nav a:last-child{border-bottom:none}.og-brand{color:inherit;align-items:center;gap:9px;text-decoration:none;display:flex}.og-brand-logo{width:29px;height:29px}.og-brand-txt{flex-direction:column;line-height:1.05;display:flex}.og-brand-name{letter-spacing:-.01em;font-size:13px;font-weight:700}.og-brand-sub{letter-spacing:.22em;color:var(--obs-ink-3);text-transform:uppercase;font-size:10.2px}.og-nav{gap:20px;margin-left:12px;display:flex}.og-nav a{font-size:var(--obs-text-nav);color:var(--obs-ink-2);padding:2px 0;text-decoration:none;position:relative}.og-nav a.active{color:var(--obs-ink);font-weight:500}.og-nav a.active:after{content:"";background:var(--obs-accent);border-radius:50%;width:4px;height:4px;position:absolute;bottom:-6px;left:50%;transform:translate(-50%)}.og-nav a.active .u{background:var(--obs-ink);height:1px;position:absolute;bottom:-3px;left:0;right:0}.og-header-right{align-items:center;gap:10px;margin-left:auto;display:flex}.og-icon-btn{border:1px solid var(--obs-line-strong);background:var(--obs-surface);width:30px;height:30px;color:var(--obs-ink-2);cursor:pointer;border-radius:8px;place-items:center;transition:background .12s,color .12s,border-color .12s;display:grid}.og-icon-btn:hover{background:var(--obs-surface-soft);color:var(--obs-ink);border-color:var(--obs-ink-3)}.og-icon-btn[aria-pressed=true]{background:var(--obs-ink);color:var(--obs-bg);border-color:var(--obs-ink)}.og-seg{border:1px solid var(--obs-line-strong);border-radius:8px;height:30px;display:inline-flex;overflow:hidden}.og-seg span{color:var(--obs-ink-2);align-items:center;padding:0 13px;font-size:11.5px;display:inline-flex}.og-seg span.on{background:var(--obs-ink);color:var(--obs-bg)}.og-lang{border:1px solid var(--obs-line-strong);height:30px;color:var(--obs-ink);background:var(--obs-surface);border-radius:8px;align-items:center;padding:0 12px;font-size:11.5px;display:inline-flex}.og-hero{padding:60px var(--obs-page-inset) 0;max-width:var(--obs-max-content);grid-template-columns:1fr;align-items:start;gap:40px;margin-inline:auto;display:grid}.og-eyebrow{font-size:var(--obs-text-sm);letter-spacing:.24em;text-transform:uppercase;color:var(--obs-ink-3);align-items:center;gap:8px;display:flex}.og-live-dot{background:var(--obs-accent);border-radius:50%;width:6px;height:6px}.og-hero-title{font-family:var(--obs-font-display);letter-spacing:-.018em;max-width:720px;color:var(--obs-ink);white-space:pre-line;margin:18px 0 0;font-size:50px;font-weight:500;line-height:1.08}.og-hero-sub{color:var(--obs-ink-2);max-width:600px;margin:22px 0 0;font-size:15px;font-style:italic;line-height:1.62}.og-orbit{justify-self:end}.og-metrics{padding:var(--obs-section-gap) var(--obs-page-inset) 0;max-width:var(--obs-max-content);grid-template-columns:repeat(4,1fr);gap:24px;margin-inline:auto;display:grid}.og-card{border:1px solid var(--obs-line);border-radius:var(--obs-radius-card);background:var(--obs-surface);min-height:150px;box-shadow:var(--obs-shadow-card);flex-direction:column;padding:26px 24px;display:flex;position:relative;overflow:hidden}.og-card-ico{color:var(--obs-ink);opacity:.06;z-index:0;pointer-events:none;position:absolute;bottom:-14px;right:-12px}.og-card.accent-wm .og-card-ico{color:var(--obs-accent);opacity:.09}.og-card>:not(.og-card-ico){z-index:1;position:relative}.og-card-label{font-size:var(--obs-text-xs);letter-spacing:.09em;text-transform:uppercase;color:var(--obs-ink-3)}.og-card-value{font-size:var(--obs-text-metric);letter-spacing:-.02em;align-items:center;gap:8px;margin-top:12px;font-weight:600;line-height:1.1;display:flex}.og-card-value.accent{color:var(--obs-accent)}.og-card-badge{letter-spacing:.04em;text-transform:uppercase;color:var(--obs-accent);border:1px solid var(--obs-accent);border-radius:999px;padding:1px 6px;font-size:10.8px;font-weight:600}.og-card-desc{color:var(--obs-ink-2);-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;margin-top:auto;font-size:12.6px;line-height:1.35;display:-webkit-box;overflow:hidden}.og-card-status{color:var(--obs-ink-3);align-items:center;gap:6px;margin-top:7px;font-size:11.4px;display:flex}.og-card-status .d{background:var(--obs-accent);border-radius:50%;width:5px;height:5px}.og-mid{padding:var(--obs-section-gap-tight) var(--obs-page-inset) 0;max-width:var(--obs-max-content);grid-template-columns:minmax(0,1078fr) minmax(0,365fr);gap:24px;margin-inline:auto;display:grid}.og-panel{border:1px solid var(--obs-line);border-radius:var(--obs-radius-card);background:var(--obs-surface);box-shadow:var(--obs-shadow-card);overflow:hidden}.og-panel-h{border-bottom:1px solid var(--obs-line);justify-content:space-between;align-items:center;height:38px;padding:0 15px;display:flex}.og-panel-t{font-size:var(--obs-text-panel);letter-spacing:.08em;text-transform:uppercase;color:var(--obs-ink-2);font-weight:600}.og-panel-a{color:var(--obs-ink-3);font-size:12.6px;text-decoration:none}.og-map{background-image:radial-gradient(circle,#1111110e .7px,#0000 .8px);background-size:16px 16px;height:307px;position:relative}.og-map:fullscreen{background-color:var(--obs-bg);background-size:22px 22px;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex}.og-map:fullscreen svg{max-height:82vh}.og-map svg{width:100%;height:100%;display:block}.og-map-ctrl{border:1px solid var(--obs-line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#fffefce6;border-radius:8px;flex-direction:column;gap:0;display:flex;position:absolute;top:13px;left:13px;overflow:hidden;box-shadow:0 1px 3px #1111110d}.og-map-ctrl button{border:none;border-bottom:1px solid var(--obs-line);width:22px;height:22px;color:var(--obs-ink-3);cursor:pointer;background:0 0;place-items:center;padding:0;transition:background .12s,color .12s;display:grid}.og-map-ctrl button:last-child{border-bottom:none}.og-map-ctrl button:hover{background:var(--obs-surface-soft);color:var(--obs-ink)}.og-map-ctrl button:active{background:var(--obs-line)}.og-map-view{border:1px solid var(--obs-line);color:var(--obs-ink-3);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#fffefce6;border-radius:7px;align-items:center;gap:5px;padding:4px 9px;font-size:12px;display:flex;position:absolute;top:13px;right:13px;box-shadow:0 1px 3px #1111110d}.og-map-hl{border:1px solid var(--obs-line);background:var(--obs-surface);width:210px;box-shadow:var(--obs-shadow-card);border-radius:9px;padding:10px 12px;position:absolute;bottom:12px;right:12px}.og-map-hl-t{letter-spacing:.08em;text-transform:uppercase;color:var(--obs-ink-3);font-size:10.8px}.og-map-hl-b{color:var(--obs-ink);margin-top:4px;font-size:11px;line-height:1.4}.og-map-legend{color:var(--obs-ink-3);gap:12px;font-size:10.8px;display:flex;position:absolute;bottom:12px;left:12px}.og-map-legend span{align-items:center;gap:4px;display:inline-flex}.og-map-legend i{border-top:1.5px solid var(--obs-line-strong);width:12px;height:0}.og-map-legend i.act{border-top-color:var(--obs-accent)}.og-map-legend i.open{border-top-style:dashed}.og-feed-body{overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--obs-line-strong) transparent;height:269px;overflow-y:auto}.og-feed-body::-webkit-scrollbar{width:7px}.og-feed-body::-webkit-scrollbar-thumb{background:var(--obs-line-strong);border:2px solid var(--obs-surface);border-radius:4px}.og-feed-body::-webkit-scrollbar-track{background:0 0}.og-feed-row{border-bottom:1px solid var(--obs-line);padding:10px 14px}.og-feed-row:last-child{border-bottom:none}.og-feed-top{align-items:center;gap:7px;margin-bottom:3px;display:flex}.og-feed-time{color:var(--obs-ink-3);font-variant-numeric:tabular-nums;font-size:10.8px}.og-feed-seq{color:var(--obs-ink-3);font-size:10.8px}.og-feed-chip{letter-spacing:.05em;text-transform:uppercase;border:1px solid var(--obs-line-strong);color:var(--obs-ink-2);border-radius:999px;margin-left:auto;padding:1px 6px;font-size:9.6px}.og-feed-title{color:var(--obs-ink);letter-spacing:-.005em;font-size:11.5px;font-weight:600;line-height:1.3}.og-feed-desc{color:var(--obs-ink-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-top:3px;font-size:12px;line-height:1.4;display:-webkit-box;overflow:hidden}.og-lower{padding:var(--obs-section-gap-tight) var(--obs-page-inset) 0;max-width:var(--obs-max-content);grid-template-columns:1.15fr 1.5fr 1.5fr 1fr;gap:24px;margin-inline:auto;display:grid}.og-lp{border:1px solid var(--obs-line);border-radius:var(--obs-radius-card);background:var(--obs-surface);box-shadow:var(--obs-shadow-card);min-height:196px;padding:22px}.og-lp-t{letter-spacing:.07em;text-transform:uppercase;color:var(--obs-ink-2);margin-bottom:16px;font-size:12px;font-weight:600}.og-lp-split{grid-template-rows:1fr 1fr;gap:10px;display:grid}.og-lp-split .og-lp{min-height:0;box-shadow:none;border:none;padding:0}.og-ladder{flex-direction:column;gap:6px;display:flex}.og-ladder-row{align-items:center;gap:8px;font-size:12px;display:flex}.og-ladder-n{border:1px solid var(--obs-line-strong);width:16px;height:16px;color:var(--obs-ink-3);border-radius:50%;place-items:center;font-size:9.6px;display:grid}.og-ladder-row.here .og-ladder-n{border-color:var(--obs-accent);color:var(--obs-accent)}.og-ladder-lbl{color:var(--obs-ink-2)}.og-ladder-bar{background:var(--obs-line);border-radius:2px;width:46px;height:4px;margin-left:auto;overflow:hidden}.og-ladder-bar i{background:var(--obs-accent);height:100%;display:block}.og-tbl{border-collapse:collapse;width:100%;font-size:12px}.og-tbl th{text-align:left;letter-spacing:.05em;text-transform:uppercase;color:var(--obs-ink-3);border-bottom:1px solid var(--obs-line);padding-bottom:6px;font-size:10.2px;font-weight:500}.og-tbl td{border-bottom:1px solid var(--obs-line);color:var(--obs-ink-2);vertical-align:middle;padding:6px 0}.og-tbl tr:last-child td{border-bottom:none}.og-tbl .st{align-items:center;gap:5px;display:inline-flex}.og-tbl .st .d{background:var(--obs-ink-3);border-radius:50%;width:5px;height:5px}.og-tbl .st.active .d{background:var(--obs-accent)}.og-methods{grid-template-columns:repeat(5,1fr);gap:4px;display:grid}.og-method{text-align:center;flex-direction:column;align-items:center;gap:6px;display:flex}.og-method .ic{color:var(--obs-ink-2)}.og-method .lb{color:var(--obs-ink-3);font-size:9.6px;line-height:1.2}.og-checks{flex-direction:column;gap:8px;display:flex}.og-check{color:var(--obs-ink-2);align-items:center;gap:8px;font-size:12px;display:flex}.og-check .box{border:1px solid var(--obs-line-strong);border-radius:3px;width:13px;height:13px}.og-glance{grid-template-columns:1fr 1fr;gap:8px 12px;display:grid}.og-glance .gv{letter-spacing:-.01em;font-size:15px;font-weight:600}.og-glance .gl{color:var(--obs-ink-3);text-transform:uppercase;letter-spacing:.04em;font-size:10.2px}.og-chart{width:100%;height:150px}.og-footer{margin-top:var(--obs-section-gap);border-top:1px solid var(--obs-line);color:var(--obs-ink-3);font-size:11.4px}.og-footer-in{max-width:var(--obs-max-content);width:100%;min-height:48px;padding:8px var(--obs-page-inset);justify-content:space-between;align-items:center;gap:16px;margin-inline:auto;display:flex}.og-footer-links{font-size:var(--obs-text-nav);gap:20px;display:flex}.og-footer-links a{color:var(--obs-ink-2);text-decoration:none}.og-footer-right{align-items:center;gap:14px;display:flex}.og-footer-right .live{color:var(--obs-accent);align-items:center;gap:5px;display:inline-flex}.og-footer-right .live .d{background:var(--obs-accent);border-radius:50%;width:5px;height:5px}.og[data-depth=read] .og-audit{display:none}.og-page{max-width:var(--obs-max-content);padding:34px var(--obs-page-inset) 64px;margin:0 auto}.og-page.wide{max-width:none}.og-page-kicker{letter-spacing:.2em;text-transform:uppercase;color:var(--obs-ink-3);align-items:center;gap:8px;font-size:12.6px;display:inline-flex}.og-page-kicker:before{content:"";background:var(--obs-accent);border-radius:50%;width:6px;height:6px}.og-page-h1{font-family:var(--obs-font-display);letter-spacing:-.02em;color:var(--obs-ink);margin:12px 0 14px;font-size:34px;font-weight:500;line-height:1.08}.og-page-lede{color:var(--obs-ink-2);max-width:72ch;margin:0;font-size:14px;line-height:1.6}.og-sec{letter-spacing:.09em;text-transform:uppercase;color:var(--obs-ink-3);align-items:center;gap:12px;margin:38px 0 14px;font-size:11px;font-weight:600;display:flex}.og-sec:after{content:"";background:var(--obs-line);flex:1;height:1px}.og-grid{grid-template-columns:repeat(auto-fill,minmax(292px,1fr));gap:14px;display:grid}.og-tile{color:inherit;background:var(--obs-surface);border:1px solid var(--obs-line);border-radius:var(--obs-radius-card);box-shadow:var(--obs-shadow-card);padding:16px 17px;text-decoration:none;transition:border-color .14s,transform .14s,box-shadow .14s;display:block}a.og-tile:hover{border-color:var(--obs-line-strong);transform:translateY(-1px);box-shadow:0 2px 4px #1111110d,0 14px 30px #1111110d}.og-tile-top{justify-content:space-between;align-items:center;gap:8px;margin-bottom:9px;display:flex}.og-tile-id{color:var(--obs-ink-3);letter-spacing:.02em;font-family:ui-monospace,Menlo,monospace;font-size:12.6px}.og-tile-title{letter-spacing:-.01em;color:var(--obs-ink);font-size:14px;font-weight:600;line-height:1.34}.og-tile-title.serif{font-family:var(--obs-font-display);letter-spacing:-.01em;font-size:16px;font-weight:500}.og-tile-body{color:var(--obs-ink-2);margin-top:7px;font-size:12.5px;line-height:1.5}.og-tile-meta{color:var(--obs-ink-3);flex-wrap:wrap;gap:6px 10px;margin-top:11px;font-size:12.6px;display:flex}.og-block{background:var(--obs-surface);border:1px solid var(--obs-line);border-radius:var(--obs-radius-card);box-shadow:var(--obs-shadow-card);overflow:hidden}.og-block-h{border-bottom:1px solid var(--obs-line);letter-spacing:.07em;text-transform:uppercase;color:var(--obs-ink-3);justify-content:space-between;align-items:center;padding:13px 16px;font-size:11px;font-weight:600;display:flex}.og-block-h a{text-transform:none;letter-spacing:0;color:var(--obs-ink-3);font-size:12.6px;text-decoration:none}.og-block-h a:hover{color:var(--obs-ink)}.og-block-pad{padding:16px 17px}.og-chip{letter-spacing:.03em;border:1px solid var(--obs-line-strong);color:var(--obs-ink-2);white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:2px 9px;font-size:12.6px;display:inline-flex}.og-chip:before{content:"";border:1.5px solid var(--obs-ink);border-radius:50%;width:6px;height:6px}.og-chip.tok-proved:before,.og-chip.tok-pass:before,.og-chip.tok-two_verifiers_accept:before{background:var(--obs-ink)}.og-chip.tok-validated_exact:before,.og-chip.tok-validated_bounded:before{background:var(--obs-ink);box-shadow:0 0 0 1.5px var(--obs-surface), 0 0 0 3px var(--obs-ink);width:4px;height:4px}.og-chip.tok-supported:before,.og-chip.tok-partial:before,.og-chip.tok-current:before{background:var(--obs-ink-2);border-color:var(--obs-ink-2)}.og-chip.tok-provisional:before,.og-chip.tok-pending:before{background:0 0;border-style:dotted}.og-chip.tok-refuted:before,.og-chip.tok-blocked:before{background:repeating-linear-gradient(45deg, var(--obs-ink) 0 2px, transparent 2px 4px)}.og-chip.tok-superseded{opacity:.6}.og-chip.tok-superseded:before{background:0 0;border-style:dashed}.og-chip.tok-open:before{background:0 0}.og-chip.accent{border-color:var(--obs-accent);color:var(--obs-accent)}.og-chip.accent:before{background:var(--obs-accent);border-color:var(--obs-accent)}.og-detail{max-width:880px}.og-detail h2{letter-spacing:.07em;text-transform:uppercase;color:var(--obs-ink-3);margin:30px 0 11px;font-size:12px;font-weight:600}.og-detail p{color:var(--obs-ink);max-width:70ch;margin:0;font-size:14.5px;line-height:1.62}.og-detail p+p{margin-top:12px}.og-meta-row{flex-wrap:wrap;gap:8px;margin:14px 0 4px;display:flex}.og-tech{color:var(--obs-ink-2);background:var(--obs-surface-soft);border:1px solid var(--obs-line);white-space:pre-wrap;border-radius:9px;padding:12px 14px;font-family:ui-monospace,Menlo,monospace;font-size:12.5px;line-height:1.55}.og-deps{flex-direction:column;gap:8px;display:flex}.og-dep{border:1px solid var(--obs-line);color:inherit;background:var(--obs-surface);border-radius:9px;align-items:center;gap:11px;padding:11px 13px;text-decoration:none;display:flex}a.og-dep:hover{border-color:var(--obs-line-strong)}.og-dep-rel{letter-spacing:.05em;text-transform:uppercase;color:var(--obs-ink-3);min-width:96px;font-size:12px}.og-feedrow{border-bottom:1px solid var(--obs-line);padding:12px 16px}.og-feedrow:last-child{border-bottom:none}.og-feedrow-top{align-items:center;gap:8px;margin-bottom:4px;display:flex}.og-feedrow-title{letter-spacing:-.005em;color:var(--obs-ink);font-size:13px;font-weight:600;line-height:1.34}.og-feedrow-body{color:var(--obs-ink-2);margin-top:4px;font-size:12px;line-height:1.5}.og-btn{border:1px solid var(--obs-line-strong);border-radius:var(--obs-radius-control);background:var(--obs-surface);color:var(--obs-ink);cursor:pointer;align-items:center;gap:6px;padding:6px 12px;font-size:12px;text-decoration:none;display:inline-flex}.og-btn:hover{background:var(--obs-surface-soft)}.og-btn[data-on=true]{background:var(--obs-ink);color:var(--obs-bg);border-color:var(--obs-ink)}.og-problem{padding:var(--obs-section-gap) var(--obs-page-inset) 0;max-width:var(--obs-max-content);grid-template-columns:1fr minmax(300px,480px);align-items:center;gap:56px;margin-inline:auto;display:grid}.og-prob-viz{border:1px solid var(--obs-line);border-radius:var(--obs-radius-card);background:var(--obs-surface);box-shadow:var(--obs-shadow-card);padding:14px}.og-lrc{flex-direction:column;gap:8px;display:flex}.og-lrc svg{width:100%;height:auto;display:block}.og-lrc-ctl{align-items:center;gap:9px;display:flex}.og-lrc-btn{border:1px solid var(--obs-line-strong);background:var(--obs-surface);width:26px;height:26px;color:var(--obs-ink-2);cursor:pointer;border-radius:7px;flex:none;place-items:center;transition:background .12s,color .12s,border-color .12s;display:grid}.og-lrc-btn:hover{background:var(--obs-surface-soft);color:var(--obs-ink);border-color:var(--obs-ink-3)}.og-lrc-cap{color:var(--obs-ink-3);font-size:10.8px;font-family:var(--obs-font-ui);letter-spacing:.01em}.og-prob-title{font-family:var(--obs-font-display);letter-spacing:-.015em;color:var(--obs-ink);margin:16px 0 0;font-size:36px;font-weight:500;line-height:1.12}.og-prob-lede{color:var(--obs-ink-2);max-width:680px;margin:24px 0 0;font-size:16px;line-height:1.68}.og-timeline{border-left:1px solid var(--obs-line);margin:40px 0 0;padding:0;list-style:none}.og-tl-row{grid-template-columns:82px 1fr;align-items:baseline;gap:12px;padding:11px 0 11px 16px;display:grid;position:relative}.og-tl-row:before{content:"";background:var(--obs-surface);border:1.5px solid var(--obs-line-strong);border-radius:50%;width:7px;height:7px;position:absolute;top:13px;left:-4px}.og-tl-row:last-child:before{background:var(--obs-accent);border-color:var(--obs-accent)}.og-tl-year{color:var(--obs-ink-3);white-space:nowrap;font-family:ui-monospace,Menlo,monospace;font-size:14px}.og-tl-main{flex-direction:column;gap:2px;display:flex}.og-tl-label{color:var(--obs-ink);font-size:16px;font-weight:500}.og-tl-note{color:var(--obs-ink-3);font-size:14px;line-height:1.45}.og-prob-impact{color:var(--obs-ink-3);border-top:1px solid var(--obs-line);max-width:680px;margin:32px 0 0;padding-top:20px;font-size:15px;line-height:1.62}.og-featured{max-width:calc(var(--obs-max-content) - 2 * var(--obs-page-inset));margin:var(--obs-section-gap-tight) auto 0;width:calc(100% - 2 * var(--obs-page-inset));border:1px solid var(--obs-line-strong);border-radius:var(--obs-radius-card);box-shadow:var(--obs-shadow-card);background:#f3f1ea;grid-template-columns:1fr auto;align-items:center;gap:40px;padding:32px 34px;display:grid}.og-feat-head{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.og-feat-kicker{font-size:var(--obs-text-sm);letter-spacing:.22em;text-transform:uppercase;color:var(--obs-accent);font-weight:600}.og-feat-phase{color:var(--obs-ink-2);font-family:ui-monospace,Menlo,monospace;font-size:12px}.og-feat-title{font-family:var(--obs-font-display);letter-spacing:-.012em;color:var(--obs-ink);max-width:720px;margin:13px 0 0;font-size:23px;font-weight:500;line-height:1.22}.og-feat-status{letter-spacing:.01em;color:var(--obs-ink-3);max-width:820px;margin:9px 0 0;font-family:ui-monospace,Menlo,monospace;font-size:10.8px;line-height:1.5}.og-feat-plain{color:var(--obs-ink-2);max-width:680px;margin:12px 0 0;font-size:12.6px;line-height:1.62}.og-feat-cta{color:var(--obs-ink);border-bottom:1px solid var(--obs-line-strong);margin:18px 0 0;padding-bottom:1px;font-size:12px;text-decoration:none;transition:border-color .12s;display:inline-block}.og-feat-cta:hover{border-color:var(--obs-ink)}.og-feat-stats{border-left:1px solid var(--obs-line);gap:22px;padding-left:26px;display:flex}.og-feat-stat{text-align:right;flex-direction:column;gap:2px;display:flex}.og-feat-stat .v{font-family:var(--obs-font-display);color:var(--obs-ink);font-size:24px;line-height:1}.og-feat-stat .l{text-transform:uppercase;letter-spacing:.08em;color:var(--obs-ink-3);font-size:10.5px}.og-hero-sub,.og-prob-lede,.og-prob-impact,.og-feat-plain,.og-feat-status,.og-tl-note,.og-feed-desc,.og-page-lede{text-wrap:pretty}@media (max-width:1040px){.og{--obs-section-gap:92px;--obs-section-gap-tight:68px}.og-hero{gap:32px;padding-top:48px}.og-lower{grid-template-columns:1fr 1fr}}@media (max-width:900px){.og-nav{display:none}.og-menu-btn{display:inline-grid}.og-mobile-nav{display:flex}.og-grid{grid-template-columns:1fr}.og-metrics{grid-template-columns:repeat(2,1fr)}.og-mid{grid-template-columns:1fr}}@media (max-width:820px){.og-hero-title{white-space:normal;max-width:none;font-size:clamp(32px,9vw,50px)}.og-problem{grid-template-columns:1fr;gap:28px}.og-prob-viz{max-width:340px}}@media (max-width:768px){.og{--obs-page-inset:20px;--obs-section-gap:68px;--obs-section-gap-tight:52px}.og-hero{padding-top:36px}.og-metrics{gap:20px}.og-card{padding:24px 22px}.og-lower{gap:20px}.og-page{padding-top:24px;padding-bottom:44px}.og-icon-btn{display:none}}@media (max-width:640px){.og-lower{grid-template-columns:1fr}.og-footer-in{flex-direction:column;align-items:flex-start;gap:8px;padding-top:12px;padding-bottom:12px}.og-map{height:260px}.rm-canvas{height:340px}.og-header-in{gap:12px}.og-header-right{gap:7px}.og-featured{grid-template-columns:1fr;gap:15px}.og-feat-stats{border-left:none;border-top:1px solid var(--obs-line);gap:28px;padding-top:14px;padding-left:0}.og-feat-stat{text-align:left}}@media (max-width:520px){.og-metrics{grid-template-columns:1fr}.og-seg{display:none}}.og-chip.tok-validated:before{background:var(--obs-ink);box-shadow:0 0 0 1.5px var(--obs-surface), 0 0 0 3px var(--obs-ink);width:4px;height:4px}.rm-wrap{border:1px solid var(--obs-line);border-radius:var(--obs-radius-card);background:var(--obs-surface);box-shadow:var(--obs-shadow-card);overflow:hidden}.rm-bar{border-bottom:1px solid var(--obs-line);flex-wrap:wrap;align-items:center;gap:8px;padding:11px 14px;display:flex}.rm-chipbtn{border:1px solid var(--obs-line-strong);background:var(--obs-surface);color:var(--obs-ink-2);cursor:pointer;border-radius:999px;padding:5px 11px;font-size:11.5px;transition:background .12s,color .12s,border-color .12s}.rm-chipbtn:hover{border-color:var(--obs-ink-3);color:var(--obs-ink)}.rm-chipbtn[data-on=true]{background:var(--obs-ink);color:var(--obs-bg);border-color:var(--obs-ink)}.rm-sep{background:var(--obs-line);width:1px;height:18px;margin:0 2px}.rm-legend{flex-wrap:wrap;gap:6px;margin-left:auto;display:flex}.rm-stage{position:relative}.rm-canvas{background-color:var(--obs-surface);cursor:grab;background-image:radial-gradient(circle,#1111110d .7px,#0000 .8px);background-size:18px 18px;width:100%;height:440px}.rm-canvas:active{cursor:grabbing}.rm-stage:fullscreen{background:var(--obs-bg)}.rm-stage:fullscreen .rm-canvas{height:100vh}.rm-ctrl{border:1px solid var(--obs-line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#fffefce6;border-radius:9px;flex-direction:column;display:flex;position:absolute;bottom:14px;left:14px;overflow:hidden;box-shadow:0 1px 4px #1111110f}.rm-ctrl button{border:none;border-bottom:1px solid var(--obs-line);width:26px;height:26px;color:var(--obs-ink-2);cursor:pointer;background:0 0;place-items:center;padding:0;font-size:13px;line-height:1;transition:background .12s,color .12s;display:grid}.rm-ctrl button:last-child{border-bottom:none}.rm-ctrl button:hover{background:var(--obs-surface-soft);color:var(--obs-ink)}.rm-drawer{overscroll-behavior:contain;border:1px solid var(--obs-line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffefcf5;border-radius:11px;width:292px;max-width:40%;max-height:calc(100% - 28px);padding:14px 15px;position:absolute;top:14px;right:14px;overflow-y:auto;box-shadow:0 2px 6px #1111110f,0 18px 40px #11111112}.rm-drawer::-webkit-scrollbar{width:7px}.rm-drawer::-webkit-scrollbar-thumb{background:var(--obs-line-strong);border-radius:4px}.rm-drawer::-webkit-scrollbar-track{background:0 0}.rm-drawer-id{color:var(--obs-ink-3);letter-spacing:.02em;font-family:ui-monospace,Menlo,monospace;font-size:12px}.rm-drawer-title{letter-spacing:-.01em;color:var(--obs-ink);margin:4px 0 6px;font-size:14px;font-weight:600;line-height:1.34}.rm-drawer-body{color:var(--obs-ink-2);font-size:12.5px;line-height:1.5}.rm-drawer-tech{color:var(--obs-ink-3);margin-top:6px;font-family:ui-monospace,Menlo,monospace;font-size:11.5px;line-height:1.5}.rm-open{border:1px solid var(--obs-line-strong);border-radius:var(--obs-radius-control);background:var(--obs-surface);color:var(--obs-ink);margin-top:10px;padding:5px 11px;font-size:12px;text-decoration:none;display:inline-flex}.rm-open:hover{background:var(--obs-surface-soft)}.rm-hint{border-top:1px solid var(--obs-line);color:var(--obs-ink-3);padding:11px 14px;font-size:11px}.rm-lg{color:var(--obs-ink-3);align-items:center;gap:5px;font-size:12px;display:inline-flex}.rm-lg i{border-radius:2px;width:9px;height:9px;display:inline-block}.og-about{grid-template-columns:minmax(0,1fr) 400px;align-items:start;gap:56px;display:grid}.og-about-art{flex-direction:column;align-items:center;gap:12px;margin-top:72px;display:flex;position:sticky;top:104px}.og-about-art img{opacity:.9;mix-blend-mode:multiply;width:100%;max-width:400px;height:auto}.og-about-cap{letter-spacing:.07em;text-transform:uppercase;color:var(--obs-ink-3);font-size:12px}@media (max-width:1040px){.og-about{grid-template-columns:1fr}.og-about-art{display:none}}