:root{--bg:#fafbf9;--panel:#fff;--panel2:#f2f5f4;--paper:#fafbf9;--text:#203143;--ink:#203143;--muted:#687782;--dim:#687782;--line:#dce3e5;--mint:#2c7b78;--green:#2c7b78;--blue:#286f92;--accent:#286f92;--orange:#b57b3f;--amber:#ad7b32;--gold:#ad7b32;--red:#bf5a46;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;--mono:ui-monospace,SFMono-Regular,Consolas,monospace}html{scroll-padding-top:85px}body.ntn-reader{background:var(--bg);color:var(--ink);font:14px/1.85 var(--font)}.ntn-reader *{box-sizing:border-box}.ntn-reader [hidden]{display:none!important}.ntn-reader main{max-width:1380px;margin:0 auto;padding:0 30px 30px;min-width:0}.ntn-reader .wrap{max-width:1380px;padding:0 30px}.ntn-reader h1,.ntn-reader h2,.ntn-reader h3{color:var(--ink);letter-spacing:0;line-height:1.5;font-weight:600}.ntn-reader h2{font-size:23px}.ntn-reader h3{font-size:16px}.ntn-reader p{line-height:1.95}.ntn-reader button,.ntn-reader select,.ntn-reader input{font-family:var(--font)}.ntn-reader button:focus-visible,.ntn-reader a:focus-visible,.ntn-reader canvas:focus-visible{outline:3px solid #72b2d0;outline-offset:4px}.ntn-reader a{color:inherit}.ntn-reader select{color:var(--ink);background:#f7f9f8;border-color:#cddade}.ntn-reader button{touch-action:manipulation}.nr-header{display:flex!important;align-items:center;justify-content:space-between;gap:24px;max-width:1380px;margin:auto;min-height:76px;height:auto;padding:0 30px!important;border:0!important;border-bottom:1px solid var(--line)!important;background:var(--bg)}.nr-brand{display:flex;gap:10px;align-items:center;color:var(--ink)!important;font-size:17px;font-weight:650;letter-spacing:.4px;white-space:nowrap;text-decoration:none}.nr-brand>span{color:var(--blue);font-size:22px}.nr-brand small{font-size:12px;color:var(--muted);font-weight:400;margin-left:9px;padding-left:16px;border-left:1px solid var(--line)}.nr-companies{display:flex;gap:5px;align-items:center;flex-wrap:wrap}.nr-companies a{font-size:12px;padding:6px 11px;border:1px solid transparent;border-radius:5px;color:var(--muted);text-decoration:none}.nr-companies a[aria-current=page]{background:#edf4f2;border-color:#ccdedb;color:var(--green)}.nr-companies a:hover{color:var(--blue);border-color:var(--line)}.nr-hero{display:grid!important;grid-template-columns:minmax(0,1fr) 260px;align-items:center;gap:40px;padding:42px 0 29px!important;margin:0!important;border:0!important}.nr-kicker{font:10px/1.7 var(--mono);color:var(--blue);letter-spacing:1.6px;margin:0 0 10px}.nr-hero h1{font-size:clamp(29px,3.5vw,41px)!important;line-height:1.4!important;letter-spacing:-.5px!important;margin:0 0 13px!important;font-weight:650!important}.nr-hero p{font-size:13px!important;color:var(--muted);margin:0!important;max-width:850px}.nr-meta{border-left:1px solid 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/* Native learning components keep their controls and geometry, with one visual language. */
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@media(max-width:1100px){.nr-header{gap:15px}.nr-companies a{padding:5px 8px}.nr-geo-body{grid-template-columns:minmax(0,1fr) 265px}.nr-geo-reading{padding:18px}.nr-hero{grid-template-columns:minmax(0,1fr) 220px;gap:28px}.nr-object-key{grid-template-columns:repeat(2,1fr)}.nr-object-key>div:nth-child(-n+2){border-bottom:1px solid var(--line)}.nr-object-key>div:nth-child(2){border-right:0}}
@media(max-width:850px){.nr-geo-body{grid-template-columns:1fr}.nr-geo-reading{border-left:0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.nr-geo-reading>div:first-child{grid-row:1/4}.nr-plot canvas{height:390px}.ntn-reader .phase-body{grid-template-columns:1fr}.ntn-reader .phase-body .geo-explanation{border-left:0;border-top:1px solid var(--line)}.nr-geo-head{align-items:start}.nr-hero{grid-template-columns:1fr}.nr-meta{display:flex;gap:10px 18px;align-items:center;flex-wrap:wrap;border-left:0;padding-left:0}.nr-meta .intro-meta{margin-top:0}.nr-meta>b{font-size:13px}.nr-meta>span{font-size:10px}.nr-header{align-items:start;padding-top:17px!important;padding-bottom:14px!important;flex-wrap:wrap}.nr-companies{gap:2px}.nr-brand small{font-size:11px}.nr-companies a{font-size:11px}.nr-hero{padding-top:28px!important}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}}

.nr-scene-readout{white-space:pre-line}
.ntn-reader .two{min-width:0;grid-template-columns:repeat(2,minmax(0,1fr))}.ntn-reader .two>*{min-width:0;max-width:100%}.ntn-reader .table-scroll{width:100%;max-width:100%;overflow-x:auto}.ntn-reader .uv-centre-box{min-width:0}.ntn-reader .uv-centre-figure{width:100%;max-width:100%;overflow-x:auto}.nr-mobile-hint{display:none}@media(max-width:850px){.ntn-reader .two{grid-template-columns:minmax(0,1fr)}}@media(max-width:650px){.ntn-reader .uv-centre-box{overflow:hidden}.nr-mobile-hint{display:block;font-size:10px;color:#687782;margin:10px 0}.ntn-reader .uv-centre-figure svg{min-width:680px}}


.nr-foundation-link{display:flex;flex-wrap:wrap;gap:9px 22px;align-items:center;padding:13px 0 21px;margin-bottom:9px;font-size:11px;color:#687782;border-bottom:1px solid #dce3e5}.nr-foundation-link>span{font-size:10px;letter-spacing:1px}.nr-foundation-link a{color:#286f92}.nr-foundation-link a:hover{text-decoration:underline}.nr-anchor-note{font-size:11px;color:#687782;line-height:1.9}.nr-anchor-note a{color:#286f92}@media(max-width:650px){.nr-foundation-link{gap:7px 14px;font-size:10px}.nr-foundation-link>span{width:100%}}