:root{color-scheme:light;--bg: #f3f1ea;--paper: rgba(255, 255, 252, .9);--ink: #1f2937;--muted: #6b7280;--line: rgba(31, 41, 55, .12);--line-soft: rgba(31, 41, 55, .075);--accent: #2d5a27;--soft: #f5f3ed;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Noto Sans SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scrollbar-width:none;scroll-behavior:smooth;background:var(--bg)}html::-webkit-scrollbar,body::-webkit-scrollbar{display:none}body{margin:0;min-width:320px;color:var(--ink);background:radial-gradient(ellipse at top left,rgba(45,90,39,.055),transparent 42%),var(--bg);font-size:16px;font-weight:400;line-height:1.7}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}img{max-width:100%;display:block}::selection{color:#fff;background:var(--accent)}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px clamp(20px,5vw,72px);padding-right:clamp(150px,14vw,190px);border-bottom:1px solid var(--line);background:#ffffffeb}.language-switcher{position:fixed;top:16px;right:18px;z-index:60;display:inline-flex;gap:2px;padding:4px;border:1px solid var(--line);border-radius:999px;background:#fffffce6;box-shadow:0 8px 24px #1f293714;backdrop-filter:blur(12px)}.language-switcher a{min-width:34px;padding:4px 8px;border-radius:999px;color:var(--muted);font-size:.76rem;font-weight:600;text-align:center}.language-switcher a.is-active{color:#fff;background:var(--accent)}.site-mark{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);color:var(--ink);font-size:.78rem;font-weight:600}.site-nav{display:flex;align-items:center;justify-content:flex-end;gap:clamp(12px,3vw,30px);color:var(--muted);font-size:.92rem}.site-search{position:relative;flex:0 0 36px;height:36px;border:1px solid transparent;border-radius:999px;transition:flex-basis .24s ease,border-color .16s ease,background-color .16s ease,box-shadow .16s ease}.site-search.is-open{flex-basis:min(290px,calc(100vw - 32px));border-color:var(--accent);background:#fff;box-shadow:0 8px 24px #1f29371a}.site-search-trigger{position:absolute;z-index:2;top:0;left:-1px;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;padding:0;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:transparent;font:inherit;cursor:pointer;transition:transform .24s ease,border-color .16s ease}.site-search-trigger:hover,.site-search-trigger:focus-visible{color:var(--accent);border-color:var(--accent)}.site-search.is-open .site-search-trigger{transform:translate(-5px);border-color:transparent}.site-search-form{position:absolute;z-index:1;top:0;right:8px;left:38px;height:36px;opacity:0;pointer-events:none;transform:translate(-8px);transition:opacity .15s ease 50ms,transform .24s ease}.site-search.is-open .site-search-form{opacity:1;pointer-events:auto;transform:translate(0)}.site-search-form input{width:100%;height:36px;padding:0 8px;border:0;border-radius:999px;color:var(--ink);background:transparent;font:inherit;font-size:.86rem}.site-search-form input:focus{outline:none}.site-search-popover{position:absolute;z-index:5;top:calc(100% + 10px);left:0;width:min(430px,calc(100vw - 32px));max-height:0;overflow:hidden;opacity:0;border:1px solid transparent;border-radius:12px;background:var(--paper);box-shadow:0 18px 46px #1f293726;pointer-events:none;transition:max-height .22s ease,opacity .15s ease,border-color .15s ease}.site-search.is-open.has-results .site-search-popover{max-height:min(56vh,450px);opacity:1;border-color:var(--line);pointer-events:auto}.site-search-status{min-height:1.7em;margin:12px 14px 0;color:var(--muted);font-size:.9rem}.site-search-results{display:grid;gap:8px;max-height:min(52vh,390px);overflow-y:auto;padding:0 10px 10px}.site-search-results a{display:grid;gap:3px;padding:10px 12px;border:1px solid var(--line-soft);border-radius:8px}.site-search-results a:hover{border-color:var(--accent)}.site-search-results span{color:var(--muted);font-size:.88rem;line-height:1.55}.site-footer{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:20px;padding:28px clamp(20px,5vw,72px);border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}.site-footer p{margin:0}.footer-license{text-align:center;font-size:.85rem}.footer-license a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}.article-byline{margin:3rem 0 0;padding-top:1.2rem;border-top:1px solid var(--line);color:var(--muted);font-size:.85rem}.article-byline a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}.footer-filings{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 16px}.footer-filings a{display:inline-flex;align-items:center;gap:5px}.footer-filings img{width:18px;height:18px;object-fit:contain}.eyebrow{margin:0 0 12px;color:var(--accent);font-size:.78rem;font-weight:600;text-transform:uppercase}.workspace-home{min-height:100svh;padding:clamp(14px,2.2vw,28px);background:transparent}.front-page{width:100%;min-height:100svh;margin:0 auto;display:grid;grid-template-rows:auto 1fr auto;border:1px solid var(--line);border-radius:22px;overflow:hidden;background:var(--paper);backdrop-filter:blur(10px)}.paper-header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px clamp(20px,3vw,34px);border-bottom:1px solid var(--line)}.masthead{display:grid;gap:3px;min-width:max-content}.masthead strong{color:var(--ink);font-family:Georgia,Songti SC,"Noto Serif SC",serif;font-size:clamp(1.65rem,3vw,2.4rem);font-weight:600;line-height:1.1}.masthead span{color:var(--muted);font-size:.76rem}.paper-nav{display:flex;align-items:center;flex-wrap:wrap;justify-content:flex-end;gap:10px 18px;color:var(--muted);font-size:.92rem}.now-listening{display:grid;gap:2px;margin:22px 0 0;padding-top:16px;border-top:1px solid var(--line-soft);color:var(--muted);font-size:.82rem}.now-listening a,.now-listening>span:last-child{color:var(--ink);font-size:.9rem}.paper-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;grid-template-rows:auto auto auto;grid-template-areas:"lead lead now" "latest topics topics" "projects projects projects";min-height:0}.paper-block{min-height:0;padding:clamp(22px,3vw,36px);border-bottom:1px solid var(--line-soft);border-right:1px solid var(--line-soft);background:transparent}.lead-story{grid-area:lead;min-height:0}.now-column{grid-area:now;border-right:0}.latest-column{grid-area:latest;display:flex;flex-direction:column}.topic-column{grid-area:topics;border-right:0}.project-column{grid-area:projects;border-right:0}.block-header{padding-bottom:18px;margin-bottom:22px;border-bottom:1px solid var(--line)}.block-header h2,.paper-block h2{margin:0;color:var(--ink);font-size:clamp(1.35rem,2.1vw,2rem);font-weight:600;line-height:1.2}.lead-story h1{max-width:920px;margin:0;color:var(--ink);font-size:clamp(2.25rem,4.6vw,4.9rem);font-weight:600;line-height:1.04;overflow-wrap:anywhere}.lead-story p:last-child{max-width:720px;margin:24px 0 0;color:var(--muted);font-size:1.05rem}.news-list,.topic-list,.feature-list{display:grid;gap:14px}.recent-moment-list{display:grid;margin-top:16px}.recent-moment-list article{display:grid;gap:4px;padding:15px 0;border-bottom:1px solid var(--line-soft)}.recent-moment-list article:first-child{padding-top:0}.recent-moment-list time{color:var(--muted);font-size:.8rem;font-variant-numeric:tabular-nums}.recent-moment-list p{display:-webkit-box;margin:0;overflow:hidden;color:var(--ink);font-size:.98rem;line-height:1.65;-webkit-box-orient:vertical;-webkit-line-clamp:2}.activity-panel{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}.activity-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:9px}.activity-heading strong{color:var(--ink);font-size:.88rem;font-weight:600}.activity-heading span{color:var(--muted);font-size:.72rem;text-align:right}.activity-grid{display:grid;grid-auto-flow:column;grid-template-columns:repeat(var(--activity-weeks),10px);grid-template-rows:repeat(7,auto);justify-content:start;gap:3px;width:max-content;max-width:100%}.activity-cell{width:100%;height:auto;aspect-ratio:1;border:1px solid color-mix(in srgb,var(--line) 76%,transparent);border-radius:2px;background:color-mix(in srgb,var(--paper) 72%,var(--line-soft));cursor:help;transition:border-color .12s ease,transform .12s ease}.activity-cell:hover{z-index:1;border-color:var(--ink);transform:scale(1.25)}.activity-cell[data-level="1"]{border-color:color-mix(in srgb,var(--accent) 28%,var(--line));background:color-mix(in srgb,var(--accent) 18%,var(--paper))}.activity-cell[data-level="2"]{border-color:color-mix(in srgb,var(--accent) 48%,var(--line));background:color-mix(in srgb,var(--accent) 38%,var(--paper))}.activity-cell[data-level="3"]{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 68%,var(--paper))}.activity-cell.is-future,.activity-cell.is-before-launch{visibility:hidden}.rail-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.rail-controls{display:inline-flex;gap:7px}.rail-actions{display:flex;align-items:center;gap:14px}.view-all-link{color:var(--accent);font-size:.84rem;font-weight:600}.research-filters{display:flex;flex-wrap:wrap;gap:8px;margin:-4px 0 18px}.research-filters button{padding:6px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:transparent;cursor:pointer;font:inherit;font-size:.8rem}.research-filters button.is-active{border-color:var(--accent);color:#fff;background:var(--accent)}.rail-controls button{display:inline-grid;width:34px;height:34px;place-items:center;border:1px solid var(--line);border-radius:50%;color:var(--ink);background:#ffffffa3;cursor:pointer;font:inherit;line-height:1;transition:border-color .18s ease,color .18s ease,background .18s ease}.rail-controls button:hover{border-color:#2d5a2752;color:var(--accent);background:#fff}.card-rail{display:grid;grid-auto-flow:column;grid-auto-columns:clamp(270px,32vw,390px);grid-template-columns:none;gap:14px;overflow-x:auto;overscroll-behavior-inline:contain;padding:2px 2px 12px;scroll-behavior:smooth;scroll-snap-type:inline mandatory;scrollbar-color:rgba(45,90,39,.28) transparent;scrollbar-width:thin}.card-rail>a{scroll-snap-align:start}.card-rail>a[hidden]{display:none}.news-list a,.topic-list a,.feature-list a{display:grid;padding:16px 0;border-bottom:1px solid var(--line-soft)}.news-list a:first-child{padding-top:0}.news-list time,.topic-list span,.feature-list span{color:var(--muted);font-size:.84rem;font-variant-numeric:tabular-nums}.news-list strong,.topic-list h3,.feature-list strong{margin:0;color:var(--ink);font-size:1.08rem;font-weight:600;line-height:1.35}.item-heading{display:flex;align-items:baseline;gap:12px}.item-heading span{flex:0 0 auto;min-width:26px}.news-list span,.topic-list p,.feature-list p,.paper-footer-line,.empty-state{color:var(--muted);font-size:.9rem;line-height:1.7}.empty-state{margin:0;padding:18px 0;border-top:1px solid var(--line-soft)}.topic-list{border:0}.topic-list a{min-height:286px;padding:22px;border:1px solid var(--line-soft);border-radius:18px;background:#ffffff7a}.topic-list h3{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:3}.topic-list p{display:-webkit-box;overflow:hidden;margin:18px 0 0;-webkit-box-orient:vertical;-webkit-line-clamp:5}.now-column ul{margin:0;padding:0;list-style:none;color:var(--ink)}.now-column li{display:grid;gap:6px;padding:16px 0;border-bottom:1px solid var(--line)}.now-column li:before{content:"";width:9px;height:9px;border:1px solid var(--accent)}.feature-list{gap:14px;border:0}.feature-list a{min-height:260px;padding:20px;border:1px solid var(--line-soft);border-radius:18px;background:#ffffff80;transition:border-color .18s ease,transform .18s ease,background .18s ease}.feature-list a:hover,.topic-list a:hover{border-color:#2d5a2738;background:#ffffffb8;transform:translateY(-2px)}.feature-list em{display:block;margin:8px 0 14px;color:var(--accent);font-size:.84rem;font-style:normal}.paper-footer-line{margin:0;padding:16px clamp(20px,3vw,34px)}.listing-page,.about-page,.project-detail,.article-shell{width:min(1000px,100%);margin:0 auto;padding:84px clamp(20px,5vw,72px)}.listing-hero,.article-hero,.project-detail__header,.about-page__intro{padding:54px 0 48px;border-bottom:1px solid var(--line)}.listing-hero h1,.article-hero h1,.project-detail__header h1,.about-page__intro h1{margin:0;color:var(--ink);font-size:clamp(2.4rem,6vw,4.8rem);font-weight:600;line-height:1}.listing-hero p,.article-summary,.project-detail__header p,.about-page__intro p{max-width:720px;color:var(--muted);font-size:1rem;line-height:1.7}.writing-list{display:grid;border-top:1px solid var(--line)}.writing-item{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}.writing-item__number,.writing-item__meta{color:var(--muted);font-size:.86rem;font-variant-numeric:tabular-nums}.writing-item__body{display:grid;gap:6px}.writing-item strong{color:var(--ink);font-size:1.2rem;font-weight:600;line-height:1.3}.writing-item__body>span:last-child{max-width:760px;color:var(--muted)}.moments-page{width:min(820px,100%);margin:0 auto;padding:84px clamp(20px,5vw,56px)}.moments-hero{padding:54px 0 42px;border-bottom:1px solid var(--line)}.moments-hero h1{margin:0;color:var(--ink);font-size:clamp(2.4rem,6vw,4.6rem);font-weight:600;line-height:1}.moments-hero>p:last-child{max-width:620px;margin:18px 0 0;color:var(--muted)}.moment-feed{display:grid}.moment-item{display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;padding:30px 0;border-bottom:1px solid var(--line)}.moment-avatar{display:grid;width:44px;height:44px;place-items:center;border:1px solid rgba(45,90,39,.2);border-radius:10px;color:var(--accent);background:#2d5a270e;font-family:Georgia,Songti SC,"Noto Serif SC",serif;font-size:1.1rem;font-weight:600}.moment-content{min-width:0}.moment-content>header{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 16px}.moment-content>header strong{color:var(--ink);font-size:.96rem}.moment-content time{color:var(--muted);font-size:.76rem;font-variant-numeric:tabular-nums}.moment-body.prose{margin-top:8px;font-size:1rem;line-height:1.78}.moment-body.prose>:first-child{margin-top:0}.moment-body.prose>:last-child{margin-bottom:0}.moment-image{max-height:560px;margin-top:18px;border:1px solid var(--line);border-radius:10px;object-fit:cover}.moment-link{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:16px;padding:13px 15px;border:1px solid var(--line);color:var(--muted);background:#fffffc7a;font-size:.86rem}.moment-link span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.moment-tags{display:flex;flex-wrap:wrap;gap:6px;margin:16px 0 0;padding:0;color:var(--muted);list-style:none}.moment-tags li{font-size:.76rem}.moment-tags li:before{content:"#"}.moments-empty{margin:0;padding:30px 0;color:var(--muted)}.project-file-grid{display:grid;grid-template-columns:1fr;border-top:1px solid var(--line)}.project-file{display:grid;grid-template-columns:180px minmax(0,.72fr) minmax(220px,1fr);gap:22px;align-items:baseline;padding:24px 0;border-bottom:1px solid var(--line)}.project-file__status{color:var(--accent);font-size:.74rem;font-weight:600;text-transform:uppercase}.project-file h3{margin:0;color:var(--ink);font-size:1.5rem;font-weight:600;line-height:1.1}.project-file p{margin:0 0 18px;color:var(--muted)}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:auto 0 0;padding:0;list-style:none}.tag-row li{display:inline-flex;min-height:28px;align-items:center;padding:0 10px;border:1px solid var(--line);color:var(--muted);font-size:.78rem}.article-grid{display:grid;grid-template-columns:220px minmax(0,760px);gap:clamp(28px,6vw,88px);padding-top:56px;align-items:start}.article-grid--without-toc{grid-template-columns:minmax(0,760px)}.prose{min-width:0}.article-side{position:sticky;top:96px;display:grid;gap:28px}.article-toc{display:grid;gap:10px;color:var(--muted);font-size:.9rem}.article-toc span{color:var(--accent);font-size:.78rem;font-weight:600;text-transform:uppercase}.article-toc a{border-left:1px solid var(--line);padding-left:12px}.toc-depth-3{margin-left:12px}.margin-annotation{padding:16px 0 0 16px;border-top:1px solid var(--line);border-left:1px solid rgba(45,90,39,.28)}.margin-annotation span{color:var(--accent);font-size:.72rem;font-weight:600;letter-spacing:.04em}.margin-annotation p{margin:8px 0 0;color:var(--muted);font-size:.82rem;line-height:1.7}.prose{color:var(--ink);font-size:1.05rem;font-weight:400;line-height:1.86}.prose h2,.prose h3{margin-top:2.3em;scroll-margin-top:96px;font-weight:600;line-height:1.25}.prose p,.prose ul,.prose ol,.prose blockquote{margin:1.15em 0}.prose a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}.prose p:has(>img){margin-top:2rem;margin-bottom:0}.prose p:has(>img) img{width:100%;border:1px solid var(--line);border-radius:12px;background:var(--paper)}.prose p:has(>img)+p{margin-top:.65rem;margin-bottom:2rem;color:var(--muted);font-size:.88rem;line-height:1.65}.prose code{padding:.16em .34em;background:var(--soft);font-size:.92em}.prose pre{overflow-x:auto;padding:18px;border:1px solid var(--line);background:var(--soft);color:var(--ink)}.prose pre code{padding:0;background:transparent}.reading-progress{position:fixed;top:0;left:0;z-index:50;width:100%;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:left center}.project-detail__body,.about-page__body{max-width:760px;padding-top:56px}.translation-notice{margin:28px 0 0;padding:18px 20px;border:1px solid rgba(45,90,39,.2);border-radius:14px;background:#2d5a270e}.translation-notice strong{color:var(--accent)}.translation-notice p{margin:6px 0 0;color:var(--muted);font-size:.92rem}.article-pagination{display:grid;gap:24px;margin-top:64px;padding-top:28px;border-top:1px solid var(--line)}.article-pagination__back{width:fit-content;color:var(--accent);font-size:.9rem;font-weight:600}.article-pagination__adjacent{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.article-pagination__adjacent a{display:grid;gap:6px;min-height:110px;padding:18px;border:1px solid var(--line);border-radius:14px;background:#ffffff6b}.article-pagination__adjacent .is-next{text-align:right}.article-pagination__adjacent span{color:var(--muted);font-size:.78rem}.article-pagination__adjacent strong{font-size:1rem;line-height:1.4}@media(max-width:1100px){.paper-header{grid-template-columns:1fr;align-items:start;gap:10px}.paper-meta,.paper-nav{justify-content:flex-start}.paper-grid{grid-template-columns:1fr 1fr;grid-template-rows:auto;grid-template-areas:"lead lead" "now latest" "topics topics" "projects projects"}.lead-story,.latest-column,.project-column{border-right:0}.topic-list,.feature-list{grid-template-columns:none}.topic-list a,.feature-list a{border-right:1px solid var(--line-soft)}}@media(max-width:768px){.site-header,.site-footer{align-items:flex-start}.site-footer{grid-template-columns:1fr}.footer-filings{justify-content:flex-start}.site-nav{flex-wrap:wrap;justify-content:flex-start}.workspace-home{padding:0}.front-page{min-height:100svh;border-left:0;border-right:0;border-radius:0}.paper-header,.paper-grid,.project-file,.article-grid{grid-template-columns:1fr}.paper-grid{grid-template-columns:minmax(0,1fr)}.paper-grid,.paper-block,.lead-story{min-width:0}.paper-header{flex-direction:column;align-items:start;gap:14px}.masthead{order:-1}.paper-nav{justify-content:flex-start;width:100%}.paper-grid{grid-template-areas:"lead" "now" "latest" "topics" "projects"}.paper-block,.topic-list:not(.card-rail) a,.feature-list:not(.card-rail) a{border-right:0}.topic-list:not(.card-rail),.feature-list:not(.card-rail){border-left:0;border-right:0;grid-auto-flow:row;grid-auto-columns:auto;grid-template-columns:1fr;overflow:visible;padding-inline:0;scroll-snap-type:none}.card-rail{grid-auto-flow:column;grid-auto-columns:min(86vw,330px);grid-template-columns:none;overflow-x:auto;overflow-y:hidden;padding:2px 2px 12px;scroll-snap-type:inline mandatory;-webkit-overflow-scrolling:touch}.card-rail>a{border-right:1px solid var(--line-soft)}.rail-controls{display:none}.rail-actions{margin-left:auto}.lead-story{min-height:auto}.news-list a,.writing-item{grid-template-columns:1fr}.article-side{position:static}.article-toc{padding-bottom:20px;border-bottom:1px solid var(--line)}.margin-annotation{max-width:620px;margin-bottom:8px}.article-pagination__adjacent{grid-template-columns:1fr}}@media(max-width:620px){.paper-header,.paper-block{padding:20px 16px}.masthead{font-size:clamp(4.2rem,26vw,6.4rem)}.lead-story h1{width:100%;max-width:100%;font-size:clamp(1.82rem,8.5vw,2.4rem);line-height:1.1;word-break:break-word}.topic-list,.feature-list{border-left:0;border-right:0;gap:12px;grid-auto-columns:min(86vw,330px)}.topic-list a,.feature-list a{border-radius:14px}.listing-page,.moments-page,.about-page,.project-detail,.article-shell{padding-top:56px;padding-inline:16px}.listing-hero,.moments-hero,.article-hero,.project-detail__header,.about-page__intro{padding-top:32px}.article-hero h1{overflow-wrap:anywhere;font-size:clamp(2.15rem,11vw,3.2rem)}.moment-item{grid-template-columns:36px minmax(0,1fr);gap:12px}.moment-avatar{width:36px;height:36px;border-radius:8px;font-size:.95rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}