:root{--sky-paper: #f5f3ed;--sky-raised: #fffcf6;--ink: #181a19;--ink-soft: #5c5e59;--horizon: #d8e3e4;--cinnabar: #b44933;--jade: #3e6a5d;--rule: #d6d0c4;--display: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", "Songti SC", Georgia, serif;--sans: "IBM Plex Sans", "Avenir Next", "Segoe UI", system-ui, sans-serif;--mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace}.site-header{display:flex;align-items:center;justify-content:space-between;gap:2rem;max-width:1440px;margin:0 auto;padding:1.1rem clamp(1.25rem,5vw,5rem);border-bottom:1px solid var(--rule);background:#f5f3edf0}.site-brand{display:flex;align-items:baseline;gap:.8rem;color:var(--ink);font-family:var(--mono);font-size:.67rem;letter-spacing:.08em;text-decoration:none;text-transform:uppercase}.site-brand span:last-child{color:var(--cinnabar);font-family:"Noto Serif CJK SC","Source Han Serif SC","Songti SC",var(--display);font-size:1.2rem}.site-header nav{display:flex;flex-wrap:wrap;justify-content:end;gap:1rem 1.4rem}.site-header nav a{color:var(--ink-soft);font-family:var(--mono);font-size:.6rem;letter-spacing:.06em;text-decoration:none;text-transform:uppercase}.site-header nav a:hover,.site-header nav a:focus-visible{color:var(--cinnabar)}.site-header nav a[aria-current=page]{color:var(--cinnabar);border-bottom:1px solid currentColor}.site-footer{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(150px,.4fr) minmax(170px,.4fr);gap:clamp(2rem,6vw,6rem);max-width:1440px;margin:0 auto;padding:2.5rem clamp(1.25rem,5vw,5rem) 4rem;border-top:1px solid var(--rule)}.site-footer-intro p{max-width:38rem;margin:.5rem 0;color:var(--ink-soft);font-size:.78rem}.site-preview-note{color:var(--cinnabar);font-family:var(--mono);font-size:.55rem;letter-spacing:.11em;text-transform:uppercase}.site-footer nav{display:flex;flex-direction:column;align-items:start;gap:.42rem}.site-footer nav a{font-family:var(--mono);font-size:.63rem}@media(max-width:780px){.site-header{display:grid;gap:.7rem}.site-header nav{justify-content:start}.site-footer{grid-template-columns:1fr 1fr}.site-footer-intro{grid-column:1 / -1}}@media(max-width:560px){.site-header nav{display:grid;grid-template-columns:repeat(3,minmax(0,max-content));gap:.65rem 1.2rem}.site-footer{grid-template-columns:1fr}}*{box-sizing:border-box}html{background:var(--sky-paper);color:var(--ink)}body{margin:0;font-family:var(--sans);line-height:1.62;background:var(--sky-paper)}a{color:var(--jade)}a:focus-visible,summary:focus-visible{outline:2px solid var(--cinnabar);outline-offset:3px}.eyebrow,.label,.trust-meta,.source-meta{font-family:var(--mono);font-size:.65rem;letter-spacing:.11em;text-transform:uppercase}.eyebrow{color:var(--cinnabar)}.label{color:var(--ink-soft)}.trust-page{overflow:hidden}.trust-hero{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(180px,.22fr);gap:clamp(2rem,7vw,7rem);align-items:end;padding:clamp(3rem,7vw,7rem) clamp(1.25rem,5vw,5rem) 5rem;background:radial-gradient(circle at 82% 22%,rgba(216,227,228,.72),transparent 28%),linear-gradient(180deg,rgba(216,227,228,.7),transparent 78%),var(--sky-paper)}.trust-hero:after{content:"";position:absolute;left:clamp(1.25rem,5vw,5rem);right:clamp(1.25rem,5vw,5rem);bottom:1.8rem;height:1px;background:linear-gradient(90deg,transparent,var(--ink),transparent);opacity:.34}.trust-hero h1{max-width:980px;margin:1rem 0 1.25rem;font-family:var(--display);font-size:clamp(3.2rem,8vw,8rem);font-weight:400;letter-spacing:-.06em;line-height:.96}.trust-hero h1 em{color:var(--cinnabar);font-style:normal}.trust-lede{max-width:43rem;color:var(--ink-soft);font-size:clamp(1rem,1.35vw,1.2rem)}.trust-mark{display:grid;justify-items:end;gap:1rem;padding:1rem 0 2rem 1.4rem;border-left:1px solid var(--rule)}.trust-mark span{font-family:"Noto Serif CJK SC","Source Han Serif SC","Songti SC",var(--display);font-size:clamp(1.9rem,3vw,3.2rem);letter-spacing:.14em;line-height:1.3;writing-mode:vertical-rl}.trust-mark small{color:var(--ink-soft);font-family:var(--mono);font-size:.58rem;text-align:right}.trust-layout{display:grid;grid-template-columns:minmax(150px,.24fr) minmax(0,.76fr) minmax(190px,.28fr);gap:clamp(2rem,5vw,5rem);max-width:1380px;margin:0 auto;padding:clamp(2rem,5vw,5rem);border-top:1px solid var(--rule)}.trust-index{align-self:start}.trust-index a{display:block;margin:.8rem 0;color:var(--ink-soft);font-size:.77rem;text-decoration:none}.trust-index a:hover{color:var(--cinnabar)}.trust-content{min-width:0}.trust-content section{scroll-margin-top:1.5rem}.trust-content h2{margin:2.8rem 0 .8rem;font-family:var(--display);font-size:clamp(1.9rem,3.2vw,3rem);font-weight:400;letter-spacing:-.04em;line-height:1.04}.trust-content h3{margin:1.7rem 0 .5rem;font-family:var(--sans);font-size:.9rem;letter-spacing:.035em}.trust-content p,.trust-content li{max-width:46rem;color:var(--ink-soft);font-size:.98rem}.trust-content ul,.trust-content ol{padding-left:1.2rem}.trust-content li{margin:.45rem 0}.trust-summary{padding:1.2rem 1.3rem;border-left:2px solid var(--cinnabar);background:linear-gradient(90deg,rgba(216,227,228,.45),transparent)}.trust-summary .label{display:block;margin-bottom:.55rem;color:var(--cinnabar)}.trust-summary p{margin:0;color:var(--ink);font-family:var(--display);font-size:1.18rem;line-height:1.45}.trust-aside{align-self:start;position:sticky;top:1rem;padding-left:1.2rem;border-left:1px solid var(--rule)}.trust-aside h2{margin:0 0 .8rem;font-family:var(--mono);font-size:.64rem;letter-spacing:.11em;text-transform:uppercase}.trust-aside p{color:var(--ink-soft);font-size:.78rem}.trust-aside a{display:block;margin:.55rem 0;font-size:.76rem}.trust-table{display:grid;grid-template-columns:minmax(120px,.38fr) minmax(0,1fr) minmax(0,1fr);gap:1px;margin:1.5rem 0;border:1px solid var(--rule);background:var(--rule)}.trust-table>div{display:contents}.trust-table span{min-width:0;padding:.8rem;background:var(--sky-raised);color:var(--ink-soft);font-size:.76rem;line-height:1.45}.trust-table .trust-table-head span{color:var(--ink);font-family:var(--mono);font-size:.59rem;letter-spacing:.08em;text-transform:uppercase}.trust-callout{margin:1.5rem 0;padding:1.1rem 1.2rem;border:1px solid var(--rule);border-left:3px solid var(--cinnabar);background:var(--sky-raised)}.trust-callout strong{display:block;margin-bottom:.35rem;color:var(--ink);font-family:var(--display);font-size:1.3rem;font-weight:400}.trust-callout p{margin:0;color:var(--ink-soft);font-size:.82rem}.trust-callout.status{border-left-color:var(--jade)}.policy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin:1.5rem 0;border:1px solid var(--rule);background:var(--rule)}.policy-grid article{min-height:210px;padding:1.1rem;background:var(--sky-raised)}.policy-grid h3{margin:.7rem 0 .45rem;font-family:var(--display);font-size:1.45rem;font-weight:400}.policy-grid p{margin:0;color:var(--ink-soft);font-size:.8rem}.source-groups{display:grid;gap:2.5rem}.source-group h2{margin-top:1.5rem;padding-bottom:.6rem;border-bottom:1px solid var(--ink)}.source-entry{display:grid;gap:.5rem;padding:1.2rem 0;border-bottom:1px solid var(--rule)}.source-entry h3{margin:0;font-family:var(--display);font-size:1.5rem;font-weight:400;line-height:1.1}.source-meta{color:var(--ink-soft);font-size:.58rem}.source-entry p{margin:0;color:var(--ink-soft);font-size:.82rem}.scope-list{display:flex;flex-wrap:wrap;gap:.35rem}.scope-list span{padding:.24rem .42rem;border:1px solid var(--rule);color:var(--ink-soft);font-family:var(--mono);font-size:.55rem}.changelog{display:grid;gap:1px;margin:1.5rem 0;border:1px solid var(--rule);background:var(--rule)}.changelog article{display:grid;grid-template-columns:7rem minmax(0,1fr);gap:1rem;padding:1rem;background:var(--sky-raised)}.changelog time{color:var(--cinnabar);font-family:var(--mono);font-size:.61rem}.changelog h3{margin:0;font-family:var(--display);font-size:1.25rem;font-weight:400}.changelog p{margin:.35rem 0 0;color:var(--ink-soft);font-size:.78rem}.glossary-hero{padding-bottom:6rem}.glossary-body{max-width:1380px;margin:0 auto;padding:clamp(2rem,5vw,5rem) clamp(1.25rem,5vw,5rem);border-top:1px solid var(--rule)}.glossary-intro-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(280px,1.15fr);gap:clamp(2rem,6vw,6rem);align-items:start}.glossary-how{position:sticky;top:1rem}.glossary-how h2{margin:.6rem 0 .8rem;font-family:var(--display);font-size:clamp(2.3rem,4vw,4rem);font-weight:400;letter-spacing:-.05em;line-height:1}.glossary-how p{color:var(--ink-soft);font-size:.85rem}.glossary-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;border:1px solid var(--rule);background:var(--rule)}.glossary-index a{padding:.8rem;background:var(--sky-raised);color:var(--ink);font-size:.76rem;text-decoration:none}.glossary-index a:hover{color:var(--cinnabar)}.glossary-group{margin-top:clamp(3rem,7vw,6rem);padding-top:1.2rem;border-top:1px solid var(--ink)}.glossary-group-heading{display:grid;grid-template-columns:minmax(160px,.3fr) minmax(0,1fr);gap:1rem}.glossary-group-heading h2{margin:0;font-family:var(--display);font-size:clamp(2.3rem,4vw,4rem);font-weight:400;letter-spacing:-.05em;line-height:1}.glossary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:2rem;border:1px solid var(--rule);background:var(--rule)}.glossary-entry{min-width:0;padding:1.2rem;background:var(--sky-raised);scroll-margin-top:1rem}.glossary-grid-single .glossary-entry{grid-column:1 / -1}.glossary-identity{display:grid;grid-template-columns:auto 1fr;align-items:start;gap:.8rem}.glossary-identity>span{color:var(--cinnabar);font-family:"Noto Serif CJK SC","Source Han Serif SC","Songti SC",var(--display);font-size:2.25rem;line-height:1}.glossary-identity h3{margin:0;font-family:var(--display);font-size:1.65rem;font-weight:400;line-height:1}.glossary-identity small{display:block;margin-top:.25rem;color:var(--ink-soft);font-family:var(--mono);font-size:.59rem}.glossary-entry>p{color:var(--ink-soft);font-size:.82rem}.glossary-aliases{margin-top:.75rem;color:var(--ink-soft);font-family:var(--mono);font-size:.58rem}.glossary-entry details{margin-top:.9rem;padding-top:.7rem;border-top:1px solid var(--rule)}.glossary-entry summary{cursor:pointer;color:var(--jade);font-family:var(--mono);font-size:.6rem;letter-spacing:.06em;text-transform:uppercase}.glossary-entry details p{color:var(--ink-soft);font-size:.8rem}.glossary-related{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.7rem}.glossary-related a{font-family:var(--mono);font-size:.58rem}.solar-term-index{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;margin-top:1.5rem;border:1px solid var(--rule);background:var(--rule)}.solar-term-index article{min-height:150px;padding:.9rem;background:var(--sky-raised)}.solar-term-index span{color:var(--cinnabar);font-family:var(--mono);font-size:.56rem}.solar-term-index strong{display:block;margin:.55rem 0 .2rem;font-family:"Noto Serif CJK SC","Source Han Serif SC","Songti SC",var(--display);font-size:1.55rem;font-weight:400}.solar-term-index b{display:block;font-size:.8rem;font-weight:500}.solar-term-index small{display:block;margin-top:.2rem;color:var(--ink-soft);font-family:var(--mono);font-size:.58rem}@media(max-width:980px){.trust-layout{grid-template-columns:minmax(150px,.24fr) minmax(0,1fr)}.trust-aside{grid-column:1 / -1;position:static;max-width:42rem;padding:1rem 0 0;border-top:1px solid var(--rule);border-left:0}.glossary-intro-grid{grid-template-columns:1fr}.glossary-how{position:static}.solar-term-index{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:780px){.trust-hero{grid-template-columns:1fr;padding-bottom:5rem}.trust-mark{display:flex;align-items:end;justify-content:space-between;padding:1rem 0 0;border-top:1px solid var(--rule);border-left:0}.trust-mark span{writing-mode:horizontal-tb;font-size:1.8rem}.trust-layout{grid-template-columns:1fr}.trust-index{max-width:32rem}.trust-aside{grid-column:auto}.glossary-index,.glossary-grid,.solar-term-index{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.trust-hero h1{font-size:clamp(2.8rem,15vw,4.8rem)}.trust-table,.policy-grid,.glossary-index,.glossary-grid,.solar-term-index{grid-template-columns:1fr}.trust-table .trust-table-head{display:none}.trust-table>div{display:grid;grid-template-columns:1fr}.changelog article{grid-template-columns:1fr}}[hidden]{display:none!important}.knowledge-hero{background:linear-gradient(90deg,transparent 49.8%,rgba(24,26,25,.05) 50%,transparent 50.2%),radial-gradient(circle at 82% 22%,rgba(216,227,228,.78),transparent 27%),linear-gradient(180deg,rgba(216,227,228,.72),transparent 78%),var(--sky-paper)}.knowledge-body{max-width:1380px;margin:0 auto;padding:clamp(2rem,5vw,5rem) clamp(1.25rem,5vw,5rem)}.knowledge-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ink);border-bottom:1px solid var(--rule)}.knowledge-stats article{display:grid;gap:.15rem;min-height:116px;padding:1rem 1.15rem;border-right:1px solid var(--rule)}.knowledge-stats article:last-child{border-right:0}.knowledge-stats strong{align-self:end;font-family:var(--display);font-size:clamp(2.5rem,4vw,4rem);font-weight:400;line-height:1}.knowledge-stats span{color:var(--ink-soft);font-family:var(--mono);font-size:.59rem;letter-spacing:.08em;text-transform:uppercase}.knowledge-intro{display:grid;grid-template-columns:minmax(220px,.4fr) minmax(0,.6fr);gap:clamp(2rem,6vw,6rem);padding:clamp(2.5rem,6vw,5rem) 0;border-bottom:1px solid var(--rule)}.knowledge-intro h2{max-width:22ch;margin:.65rem 0 0;font-family:var(--display);font-size:clamp(2.3rem,4vw,4rem);font-weight:400;letter-spacing:-.045em;line-height:.98}.knowledge-intro-copy{columns:2;column-gap:2.4rem}.knowledge-intro-copy p{margin-top:0;color:var(--ink-soft);font-size:.88rem}.knowledge-layout{display:grid;grid-template-columns:minmax(210px,.24fr) minmax(0,.76fr);gap:clamp(2rem,5vw,5rem);padding-top:clamp(2.5rem,6vw,5rem)}.knowledge-controls{position:sticky;top:1rem;align-self:start;display:grid;gap:.55rem;padding:1.2rem;border:1px solid var(--rule);background:var(--sky-raised)}.knowledge-controls label{margin-top:.55rem;color:var(--ink);font-family:var(--mono);font-size:.59rem;letter-spacing:.05em;text-transform:uppercase}.knowledge-controls input,.knowledge-controls select{width:100%;min-width:0;padding:.64rem .7rem;border:1px solid var(--rule);border-radius:0;background:var(--sky-paper);color:var(--ink);font:inherit;font-size:.76rem}.knowledge-controls input:focus-visible,.knowledge-controls select:focus-visible,.knowledge-controls button:focus-visible{outline:2px solid var(--cinnabar);outline-offset:2px}.knowledge-controls button{margin-top:.7rem;padding:.65rem .8rem;border:1px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer;font-family:var(--mono);font-size:.58rem;letter-spacing:.06em;text-transform:uppercase}.knowledge-controls button:hover{border-color:var(--cinnabar);color:var(--cinnabar)}.knowledge-status{margin:.5rem 0 0;color:var(--ink-soft);font-family:var(--mono);font-size:.56rem;line-height:1.5}.knowledge-results{min-width:0}.knowledge-section+.knowledge-section{margin-top:clamp(3.5rem,8vw,7rem);padding-top:1.2rem;border-top:1px solid var(--ink)}.knowledge-section-heading{display:grid;grid-template-columns:minmax(0,.56fr) minmax(240px,.44fr);gap:2rem;align-items:end}.knowledge-section-heading h2{margin:.55rem 0 0;font-family:var(--display);font-size:clamp(2.3rem,4.2vw,4.1rem);font-weight:400;letter-spacing:-.05em;line-height:.98}.knowledge-section-heading>p{margin:0;color:var(--ink-soft);font-size:.79rem}.knowledge-node-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:1.8rem;border:1px solid var(--rule);background:var(--rule)}.knowledge-node{display:grid;align-content:start;min-width:0;min-height:245px;padding:1.15rem;background:var(--sky-raised);scroll-margin-top:1rem}.knowledge-node:last-child:nth-child(odd){grid-column:1 / -1}.knowledge-node:target{outline:2px solid var(--cinnabar);outline-offset:-2px}.knowledge-node-meta,.knowledge-relation-meta,.knowledge-node-foot{display:flex;align-items:center;justify-content:space-between;gap:1rem}.knowledge-node-meta span,.knowledge-relation-meta span{color:var(--cinnabar);font-family:var(--mono);font-size:.55rem;letter-spacing:.08em;text-transform:uppercase}.knowledge-node-meta small,.knowledge-node-foot,.knowledge-relation-meta code{color:var(--ink-soft);font-family:var(--mono);font-size:.55rem}.knowledge-node h3{margin:1.1rem 0 .55rem;font-family:var(--display);font-size:clamp(1.55rem,2.4vw,2.15rem);font-weight:400;line-height:1.08}.knowledge-node h3 a{color:var(--ink);text-decoration-thickness:1px;text-underline-offset:.16em}.knowledge-node p{margin:0;color:var(--ink-soft);font-size:.79rem}.knowledge-node-foot{align-self:end;margin-top:1.4rem;padding-top:.75rem;border-top:1px solid var(--rule)}.knowledge-node-foot code{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.knowledge-node-foot a{flex:0 0 auto;font-family:var(--mono);font-size:.58rem}.knowledge-relation-list{display:grid;margin-top:1.8rem;border-top:1px solid var(--ink)}.knowledge-relation{display:grid;gap:.45rem;padding:1.15rem 0;border-bottom:1px solid var(--rule)}.knowledge-relation-route{display:flex;flex-wrap:wrap;align-items:baseline;gap:.45rem;margin:.25rem 0 0;font-family:var(--display);font-size:clamp(1.2rem,2vw,1.65rem);line-height:1.25}.knowledge-relation-route a{color:var(--ink);text-decoration-thickness:1px;text-underline-offset:.14em}.knowledge-relation-route span{color:var(--cinnabar);font-family:var(--mono);font-size:.8rem}.knowledge-relation h3{margin:.15rem 0 0;color:var(--jade);font-family:var(--mono);font-size:.61rem;font-weight:500;letter-spacing:.07em;text-transform:uppercase}.knowledge-relation>p:last-child{max-width:56rem;margin:0;color:var(--ink-soft);font-size:.79rem}.knowledge-empty,.knowledge-noscript{margin:1.4rem 0 0;padding:1rem;border:1px solid var(--rule);background:var(--sky-raised);color:var(--ink-soft);font-size:.8rem}.knowledge-boundary{margin-top:clamp(3rem,7vw,6rem)}@media(max-width:980px){.knowledge-layout{grid-template-columns:1fr}.knowledge-controls{position:static;grid-template-columns:repeat(2,minmax(0,1fr));align-items:end}.knowledge-controls>.eyebrow,.knowledge-controls>button,.knowledge-status{grid-column:1 / -1}}@media(max-width:780px){.knowledge-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.knowledge-stats article:nth-child(2){border-right:0}.knowledge-stats article:nth-child(-n+2){border-bottom:1px solid var(--rule)}.knowledge-intro,.knowledge-section-heading{grid-template-columns:1fr}.knowledge-intro-copy{columns:1}}@media(max-width:620px){.knowledge-controls,.knowledge-node-grid{grid-template-columns:1fr}.knowledge-node{min-height:0}}