:root{--bg:oklch(98.4% 0.007 78);--surface:oklch(96.2% 0.009 78);--surface-strong:oklch(92.7% 0.012 78);--ink:oklch(22% 0.016 70);--muted:oklch(49% 0.015 72);--line:oklch(86.5% 0.011 76);--accent:oklch(45% 0.086 166);--accent-soft:oklch(94.8% 0.024 166);--highlight:oklch(93.2% 0.031 92);--warn:oklch(93.5% 0.035 70);--code-bg:oklch(24% 0.015 74);--code-line:oklch(91% 0.012 82);--radius:8px;--shadow:0 24px 70px color-mix(in oklch,var(--ink) 12%,transparent)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,system-ui,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px clamp(18px,4vw,48px);border-bottom:1px solid var(--line);background:color-mix(in oklch,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.brand{display:inline-flex;align-items:center;gap:12px}.brand-mark{width:34px;height:34px;border-radius:var(--radius);object-fit:cover}.brand small,.brand strong{display:block}.brand small{color:var(--muted);font-size:12px}.site-nav{align-items:center;display:flex;gap:8px}.back-link,.button,.site-nav a{border-radius:var(--radius);color:var(--ink);font-weight:650}.site-nav a{padding:8px 10px}.back-link:hover,.button:hover,.icon-button:hover,.site-nav a:hover{background:var(--surface)}.icon-button{display:inline-grid;width:38px;height:38px;place-items:center;border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);color:var(--ink);cursor:pointer}.icon-button.subtle{border-color:transparent}.search-dialog{width:min(680px,100%);max-width:calc(100% - 36px);border:1px solid var(--line);border-radius:var(--radius);background:var(--bg);box-shadow:var(--shadow)}.search-dialog:popover-open{inset:14vh auto auto 50%;transform:translateX(-50%)}.search-dialog::-webkit-backdrop{background:color-mix(in oklch,var(--ink) 22%,transparent)}.search-dialog::backdrop{background:color-mix(in oklch,var(--ink) 22%,transparent)}.search-dialog form{display:grid;grid-template-columns:auto minmax(0,1fr) auto;grid-gap:12px;gap:12px;align-items:center;padding:16px;border-bottom:1px solid var(--line)}.search-dialog input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font-size:20px}.quick-searches{display:flex;flex-wrap:wrap;gap:8px;padding:12px 16px 16px}.quick-searches a{border:1px solid var(--line);border-radius:999px;padding:5px 10px;background:var(--surface);color:var(--muted)}.page-shell{width:min(1160px,calc(100% - 36px));margin:0 auto;padding:56px 0 96px}.page-shell.compact{width:min(980px,calc(100% - 36px))}.papers-library-page .page-title{margin-bottom:34px}.papers-library-page .page-title h1{line-height:1.12}.home-hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);grid-gap:clamp(28px,6vw,80px);gap:clamp(28px,6vw,80px);align-items:flex-end;min-height:62vh;padding:44px 0 72px}.library-shell{padding-top:34px}.library-header{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;padding-bottom:24px;border-bottom:1px solid var(--line)}.library-header h1{margin:0;font-size:clamp(46px,7vw,92px);line-height:.96}.library-stats{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.library-stats span{border:1px solid var(--line);border-radius:999px;padding:5px 10px;color:var(--muted);font-size:13px}.focus-paper{padding:28px 0 44px}.content-lanes{grid-template-columns:repeat(3,minmax(0,1fr));margin:28px 0 36px}.content-lane,.content-lanes{display:grid;grid-gap:14px;gap:14px}.content-lane{align-content:space-between;min-height:250px;border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:color-mix(in oklch,var(--bg) 72%,var(--surface))}.content-lane h2{margin:0;font-size:24px;line-height:1.22}.content-lane p{margin:0;color:var(--muted)}.featured-paper{align-items:flex-end}.article-header h1,.hero-copy h1,.page-title h1{max-width:920px;margin:0;font-size:clamp(42px,6vw,76px);line-height:1.06;letter-spacing:0;overflow-wrap:anywhere}.article-header h1{font-size:clamp(38px,5vw,62px)}.article-header p,.hero-copy p,.page-title p{max-width:70ch;color:var(--muted);font-size:18px}.eyebrow{margin:0 0 10px;color:var(--accent);font-size:13px;font-weight:800}.article-actions,.feature-actions,.hero-actions,.row-actions{display:flex;flex-wrap:wrap;gap:10px}.button{display:inline-flex;min-height:42px;align-items:center;justify-content:center;border:1px solid var(--line);padding:8px 14px;background:var(--bg)}.button.primary{border-color:var(--accent);background:var(--accent);color:oklch(98% .006 164)}.button.disabled{color:var(--muted);cursor:default}.availability-note{align-self:end;color:var(--muted);font-size:14px;font-weight:760}.card-link{transition:border-color .16s ease,background-color .16s ease,transform .16s ease}.card-link:focus-visible,.card-link:hover{border-color:color-mix(in oklch,var(--accent) 42%,var(--line));background:color-mix(in oklch,var(--accent-soft) 42%,var(--bg));outline:0;transform:translateY(-1px)}.hero-panel{display:grid;grid-gap:14px;gap:14px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.hero-panel div{display:flex;align-items:baseline;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding-bottom:12px}.hero-panel div:last-child{border-bottom:0;padding-bottom:0}.metric{font-size:34px;font-weight:820}.section-band{padding:44px 0}.latest-section,.section-band{border-top:1px solid var(--line)}.latest-section{padding-top:44px}.section-heading{margin-bottom:22px}.page-title h1,.section-heading h2{margin-top:0}.category-tile,.paper-feature,.paper-row,.search-panel{border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in oklch,var(--bg) 72%,var(--surface))}.paper-feature,.paper-row{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:24px;gap:24px;align-items:center;padding:22px}.latest-grid{display:grid;grid-gap:14px;gap:14px}.latest-card{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:24px;gap:24px;align-items:center;border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:color-mix(in oklch,var(--bg) 72%,var(--surface))}.latest-card-with-media{grid-template-columns:180px minmax(0,1fr)}.latest-card h3{margin:0;font-size:20px;line-height:1.32}.latest-card p{color:var(--muted)}.blog-feature,.blog-row{grid-template-columns:180px minmax(0,1fr)}.blog-row-cover{width:100%;aspect-ratio:16/10;align-self:stretch;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);object-fit:cover}.paper-meta{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 4px;color:var(--muted);font-weight:700}.paper-meta,.type-badge{align-items:center;font-size:13px}.type-badge{display:inline-flex;min-height:24px;justify-content:center;border:1px solid var(--line);border-radius:6px;padding:1px 7px 2px;background:var(--surface);color:var(--ink);font-weight:860;line-height:1}.type-paper{border-color:color-mix(in oklch,var(--accent) 30%,var(--line));background:var(--accent-soft);color:color-mix(in oklch,var(--accent) 78%,var(--ink))}.type-blog{border-color:oklch(78% .05 245);background:oklch(95% .018 245);color:oklch(43% .075 245)}.type-project{border-color:oklch(78% .04 82);background:oklch(95% .02 82);color:oklch(42% .06 82)}.paper-feature h3,.paper-row h2{margin:0}.paper-feature p,.paper-row p{color:var(--muted)}mark{border-radius:4px;padding:0 2px;background:var(--highlight);color:var(--ink)}.tag-row{display:flex;flex-wrap:wrap;gap:8px}.tag{border:1px solid var(--line);border-radius:999px;padding:3px 9px;background:var(--surface);color:var(--muted);font-size:12px}.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:12px;gap:12px}.category-tile{display:grid;grid-template-rows:auto minmax(72px,1fr) auto;grid-gap:8px;gap:8px;padding:18px}.category-tile span{font-weight:780}.category-tile small{align-self:start;color:var(--muted)}.category-tile em{color:color-mix(in oklch,var(--accent) 74%,var(--ink));font-size:12px;font-style:normal;font-weight:760}.paper-list{display:grid;grid-gap:14px;gap:14px}.reader-shell{display:grid;grid-template-columns:280px minmax(0,980px);grid-gap:clamp(42px,4vw,68px);gap:clamp(42px,4vw,68px);width:min(1360px,calc(100% - 48px));margin:0 auto;padding:42px 0 96px}.reader-aside{position:-webkit-sticky;position:sticky;top:84px;align-self:start}.reader-aside nav{display:grid;grid-gap:10px;gap:10px;margin-top:18px;max-height:calc(100vh - 150px);overflow-y:auto;padding-right:6px}.back-link,.reader-aside nav a{display:block;padding:8px 10px;color:var(--muted)}.toc-group{border-top:1px solid color-mix(in oklch,var(--line) 70%,transparent);padding-top:10px}.toc-group:first-child{border-top:0;padding-top:0}.reader-aside nav .toc-primary{color:var(--ink);font-size:15px;font-weight:760;line-height:1.38}.toc-children{display:grid;grid-gap:3px;gap:3px;margin:8px 0 2px}.toc-children a{padding:3px 10px 3px 18px;color:var(--muted);font-size:13px;line-height:1.42}.article-header{margin-bottom:40px;padding-bottom:32px;border-bottom:1px solid var(--line)}.blog-article-header{display:grid;grid-gap:18px;gap:18px}.blog-cover{margin:6px 0 0}.blog-cover img{display:block;width:100%;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.blog-cover figcaption{margin-top:10px;color:var(--muted);font-size:14px}.paper-credits{display:grid;grid-gap:12px;gap:12px;max-width:1040px;margin:20px 0 24px;color:var(--muted)}.paper-credit-row{display:grid;grid-template-columns:44px minmax(0,1fr);grid-gap:12px;gap:12px}.paper-credits dt{color:var(--ink);font-size:13px;font-weight:800}.paper-credits dd{margin:0;font-size:14px;line-height:1.65}.author-list{display:flex;flex-wrap:wrap;gap:3px 14px}.author-item{display:inline-flex;align-items:flex-start;margin-right:4px;white-space:nowrap}.author-item sup{margin-left:2px;color:var(--accent);font-size:.72em;font-weight:800;line-height:1}.institution-list{display:grid;grid-gap:7px;gap:7px;margin:0;padding-left:1.2rem}.institution-list li::marker{color:var(--accent);font-weight:800}.institution-list em,.institution-list span{display:inline}.institution-list span{color:var(--ink)}.institution-list em{margin-left:.45em;color:var(--muted);font-style:normal}.rich-content{display:grid;grid-gap:30px;gap:30px}.mdx-content{display:block}.mdx-content h2{margin:50px 0 18px;font-size:30px;line-height:1.2}.mdx-content h2:first-child{margin-top:0}.mdx-content h3{margin:28px 0 10px;color:var(--ink);font-size:19px;font-weight:780;line-height:1.35}.mdx-content p{margin:0 0 14px}.mdx-content li,.mdx-content p{color:var(--muted)}.mdx-content strong{color:var(--ink);font-weight:800}.mdx-content code:not(.code-block code):not(.algorithm-code code){border:1px solid var(--line);border-radius:6px;padding:.08em .35em;background:var(--surface);color:var(--ink);font-size:.92em}.mdx-content mark{font-weight:720}.inline-math{display:inline-flex;max-width:100%;vertical-align:-.08em;color:var(--ink);white-space:nowrap}.inline-math .katex{font-size:1.02em}.mdx-content ol,.mdx-content ul{margin:0 0 18px;padding-left:1.35rem}.mdx-content pre{overflow-x:auto;border-radius:var(--radius);padding:18px;background:var(--code-bg);color:var(--code-line)}.mdx-content code{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace}.explainer-figure{margin:24px 0 28px}.algorithm-block,.concept-tabs,.explainer-callout,.split-block,.step-flow{margin:22px 0}.explainer-callout{border:1px solid color-mix(in oklch,var(--accent) 22%,var(--line));border-radius:var(--radius);padding:16px 18px;background:var(--accent-soft)}.explainer-callout.tone-warn{background:var(--warn)}.explainer-callout strong{display:block;margin-bottom:6px}.explainer-callout p{margin-bottom:0}.split-block{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:14px;gap:14px}.split-block>div{border:1px solid var(--line);border-radius:var(--radius);padding:16px;background:var(--surface)}.split-block h3{margin-top:0}.split-block p{margin-bottom:0}.step-flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:10px;gap:10px}.step-flow-item{border:1px solid var(--line);border-radius:var(--radius);padding:14px;background:var(--surface)}.step-flow-item span{display:grid;width:28px;height:28px;margin-bottom:10px;place-items:center;border-radius:999px;background:var(--ink);color:var(--bg);font-size:13px;font-weight:800}.step-flow-item strong{display:block}.step-flow-item p{margin:8px 0 0;font-size:14px;line-height:1.55}.concept-tabs{border:1px solid var(--line);border-radius:var(--radius);padding:14px;background:var(--surface)}.concept-tab-list{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.concept-tab-list button{border:1px solid var(--line);border-radius:999px;padding:6px 11px;background:var(--bg);color:var(--muted);cursor:pointer}.concept-tab-list button.active{border-color:var(--accent);background:var(--accent);color:var(--bg)}.concept-tabs p{max-width:none;margin-bottom:0}.algorithm-block{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.algorithm-block>figcaption{display:flex;align-items:center;justify-content:space-between;gap:8px;border-bottom:1px solid var(--line);padding:12px 14px;background:var(--bg)}.algorithm-block>figcaption span{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px}.algorithm-block>figcaption em{color:var(--accent);font-size:13px;font-style:normal;font-weight:840;text-transform:uppercase}.algorithm-block>figcaption strong{color:var(--ink)}.algorithm-block>figcaption button{border:1px solid var(--line);border-radius:6px;padding:5px 9px;background:var(--surface);color:var(--ink);cursor:pointer}.algorithm-code{overflow-x:auto;margin:0;padding:16px 0;background:var(--code-bg);color:var(--code-line);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:14px;line-height:1.75}.algorithm-code code,.algorithm-code span{color:inherit}.algorithm-line{display:grid;min-width:max-content;grid-template-columns:72px minmax(0,1fr);padding:0 24px 0 0}.algorithm-block>p{margin:0;border-top:1px solid var(--line);padding:14px;color:color-mix(in oklch,var(--ink) 72%,var(--accent))}.explainer-figure img,.explainer-figure object,.explainer-figure picture,.paper-inline-asset img,.paper-inline-asset object,.paper-inline-asset picture{display:block;width:100%;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.explainer-figure figcaption{margin-top:10px;color:var(--muted);font-size:14px;line-height:1.65}.content-section h2{margin:0 0 10px;font-size:34px;line-height:1.18}.callout p,.content-section p{max-width:72ch;color:var(--muted)}.math-block p{max-width:none;color:var(--muted)}.callout{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:var(--accent-soft)}.callout.warning{background:var(--warn)}.code-figure,.diagram,.math-block,.result-table,.walkthrough{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.code-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid color-mix(in oklch,var(--code-line) 12%,transparent);padding:10px 12px;background:var(--code-bg);color:var(--code-line);font-size:13px}.code-toolbar button{border:1px solid color-mix(in oklch,var(--code-line) 28%,transparent);border-radius:6px;padding:5px 9px;background:transparent;color:var(--code-line);cursor:pointer}.code-block{overflow-x:auto;margin:0;padding:16px 0;background:var(--code-bg);color:var(--code-line);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:14px;line-height:1.75}.code-line{display:grid;min-width:max-content;grid-template-columns:72px minmax(0,1fr);padding:0 24px 0 0}.code-line.highlighted{background:color-mix(in oklch,var(--accent) 28%,transparent)}.line-number{margin-right:20px;border-right:1px solid color-mix(in oklch,var(--code-line) 16%,transparent);padding-right:16px;color:color-mix(in oklch,var(--code-line) 46%,transparent);text-align:right;-webkit-user-select:none;-moz-user-select:none;user-select:none}.token-comment{color:oklch(70% .018 92)}.token-keyword{color:oklch(78% .12 308)}.token-number{color:oklch(82% .11 64)}.token-string{color:oklch(82% .12 152)}.figure-caption{margin:0;padding:10px 12px;color:var(--muted);font-size:13px}.walkthrough{display:grid;grid-template-columns:minmax(220px,.85fr) minmax(0,1.15fr)}.walkthrough .code-figure{border:0;border-left:1px solid var(--line);border-radius:0}.walkthrough-copy{padding:20px}.step-tabs{display:flex;gap:8px;margin:18px 0}.step-tabs button{width:34px;height:34px;border:1px solid var(--line);border-radius:999px;background:var(--bg);cursor:pointer}.step-tabs button.active{border-color:var(--accent);background:var(--accent);color:var(--bg)}.diagram{padding:20px}.diagram figcaption{margin-bottom:18px}.diagram figcaption h3,.math-block h3,.result-table h3{margin:0 0 6px}.diagram figcaption p{margin:0;color:var(--muted)}.diagram-flow{display:grid;grid-template-columns:repeat(5,minmax(120px,1fr));grid-gap:10px;gap:10px;overflow-x:auto}.diagram-step{position:relative;min-height:94px;border:1px solid var(--line);border-radius:var(--radius);padding:12px;background:var(--bg)}.diagram-step span{display:block;font-weight:760}.diagram-step em{position:absolute;right:10px;bottom:8px;color:var(--accent);font-size:12px;font-style:normal}.math-block,.result-table{padding:20px}.table-scroll{overflow-x:auto}table{width:100%;min-width:640px;border-collapse:collapse}td,th{border-bottom:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}th{color:var(--muted);font-size:13px}.emphasis-cell{color:var(--accent);font-weight:760}.formula{overflow-x:auto;border-radius:var(--radius);padding:18px;background:var(--bg);font-size:18px}.formula .katex-display{margin:0}.search-panel{padding:18px}.search-controls{display:grid;grid-template-columns:minmax(0,1fr) 220px;grid-gap:12px;gap:12px;margin-bottom:18px}.search-controls label{display:grid;grid-gap:6px;gap:6px;color:var(--muted);font-size:13px;font-weight:700}.search-controls input,.search-controls select{width:100%;border:1px solid var(--line);border-radius:var(--radius);padding:11px 12px;background:var(--bg);color:var(--ink)}.empty-state{margin:0;color:var(--muted)}.immersive-reading-shell,.reading-shell{width:min(1320px,calc(100% - 48px));margin:0 auto;padding:42px 0 96px}.reading-header{margin-bottom:28px;border-bottom:1px solid var(--line);padding-bottom:22px}.reading-header h1{max-width:960px;margin:8px 0;font-size:38px;line-height:1.18}.parallel-reader{display:grid;grid-gap:12px;gap:12px}.immersive-paper{width:min(1120px,100%);margin:0 auto}.paper-reading-block{margin:0;padding:10px 0 22px}.paper-reading-block h2{margin:44px 0 18px;color:var(--ink);font-size:clamp(28px,4vw,46px);line-height:1.12}.source-paragraph,.translation-paragraph{margin:0;font-size:19px;line-height:1.82}.source-paragraph{color:var(--ink)}.translation-paragraph{margin-top:10px;color:color-mix(in oklch,var(--ink) 72%,var(--accent))}.reader-source-note{margin:10px 0 0;color:var(--accent);font-size:13px}.paper-inline-asset{margin:28px 0 34px;padding:0}.explainer-figure img,.paper-inline-asset img{height:auto}.explainer-figure object,.paper-inline-asset object{min-height:420px}.explainer-figure picture,.paper-inline-asset picture{border:0}.paper-inline-asset figcaption{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.7}.paper-inline-asset figcaption span{margin-right:8px;color:var(--accent);font-weight:800}.paper-code-reading{display:grid;grid-gap:12px;gap:12px;margin:20px 0 30px}.reading-raw-block{overflow-x:auto;max-height:520px;margin:0 0 12px;padding:14px;color:var(--ink);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:13px;line-height:1.6;white-space:pre-wrap}.parallel-row,.reading-raw-block{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.parallel-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);grid-gap:0;gap:0}.source-text,.translation-text{padding:18px}.source-text{border-right:1px solid var(--line)}.paragraph-label{display:block;margin-bottom:8px;color:var(--muted);font-size:12px;font-weight:760}.reader-note{border-top:1px solid var(--line);padding-top:10px;color:var(--accent);font-size:14px}@media (max-width:980px){.content-lanes,.home-hero,.latest-card,.latest-card-with-media,.library-header,.paper-feature,.paper-row,.parallel-row,.reader-shell,.search-controls,.split-block,.walkthrough{grid-template-columns:1fr}.blog-row-cover{max-height:260px}.reader-aside{position:static}.reader-aside nav{grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}.source-text,.walkthrough .code-figure{border-left:0;border-right:0;border-top:1px solid var(--line)}.article-header h1,.hero-copy h1,.page-title h1{font-size:42px}.diagram-flow{grid-template-columns:repeat(5,150px)}}@media (max-width:560px){.site-header{align-items:flex-start;flex-direction:column}.site-nav{width:100%}.site-nav a{flex:1 1;text-align:center}}