:root{--bg:#10171d;--panel:#17222b;--ink:#f3efe5;--muted:#b4bec4;--line:#34414a;--accent:#efb077;--paper:#f4f0e7;--dark:#15212a;color-scheme:dark;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink);font-size:17px}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:4px}a:hover{color:var(--accent)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button,input,select{font:inherit}button,summary,select{cursor:pointer}button{min-height:46px}img{max-width:100%}.skip{position:fixed;top:-100px;left:16px;background:var(--paper);color:var(--dark);padding:15px;z-index:10}.skip:focus{top:12px}.header{max-width:1320px;margin:auto;display:flex;align-items:center;gap:34px;padding:24px 40px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-size:23px;letter-spacing:.13em;font-weight:700;line-height:1}.brand small{display:block;font-size:9px;letter-spacing:.25em;margin-top:9px}.header nav{display:flex;gap:24px;margin-left:auto}.header nav a{font-size:14px;text-decoration:none;padding:12px 0}.header nav a[aria-current]{color:var(--accent);border-bottom:2px solid}.project-link{font-size:13px;color:var(--muted)}.disclosure{border-block:1px solid var(--line);text-align:center;font-size:12px;line-height:1.6;padding:9px 20px;color:var(--muted)}.wrap{max-width:1240px;margin:auto;padding:0 40px}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.18em;font-weight:700;color:var(--accent)}.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:55px;padding-block:68px 56px;align-items:center}.hero h1{font-family:Georgia,serif;font-weight:400;font-size:clamp(42px,4.6vw,64px);line-height:1.07;letter-spacing:-.035em;margin:20px 0 23px}.hero h1 em{font-style:normal;color:var(--accent)}.hero .lead{font-size:17px;line-height:1.7;max-width:535px;color:#d0d5d6}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:27px 0}.button{display:inline-flex;align-items:center;justify-content:center;padding:15px 20px;min-height:48px;background:var(--accent);border:1px solid var(--accent);color:#15212a;font-size:14px;font-weight:700;text-decoration:none;cursor:pointer}.button:hover{background:#f8c79e;color:#15212a}.button.secondary{background:transparent;color:var(--ink);border-color:#7d8b94}.meta{font-size:12px;color:var(--muted);line-height:1.8}.video-box{border:1px solid var(--line);background:#080d11;position:relative}.video-box iframe{width:100%;aspect-ratio:16/9;border:0;display:block}.video-caption{padding:15px 18px;font-size:11px;line-height:1.6;color:var(--muted);border-top:1px solid var(--line)}.video-caption strong{display:block;color:var(--ink);font-size:12px}.release-strip{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px;padding:23px 0;border-block:1px solid var(--line);font-size:12px;color:var(--muted)}.release-strip b{font-size:20px;color:var(--ink);display:block;margin-bottom:6px}.section{padding-block:56px}.section h2,.paper h2{font-family:Georgia,serif;font-weight:400;font-size:34px;line-height:1.2;margin:14px 0 23px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:25px;margin-bottom:26px}.section-head h2{margin-bottom:0}.section-head p{max-width:470px;color:var(--muted);line-height:1.6;font-size:14px}.guide-list{display:grid;grid-template-columns:repeat(2,1fr);column-gap:44px}.guide{display:grid;grid-template-columns:36px 1fr 20px;gap:18px;padding:27px 0;border-top:1px solid var(--line);text-decoration:none}.guide .num{color:var(--accent);font-family:Georgia,serif;font-size:20px}.guide h3{margin:0 0 9px;font-size:19px}.guide p{color:var(--muted);font-size:14px;line-height:1.6;margin:0}.guide .arrow{font-size:22px}.paper{background:var(--paper);color:var(--dark);padding:48px}.paper .eyebrow{color:#875128}.paper p{line-height:1.7}.paper a:hover{color:#8b4721}.checklist{padding:0;list-style:none}.checklist label{display:flex;gap:12px;align-items:start;padding:16px 0;border-top:1px solid #ccc8be;line-height:1.5;font-size:15px;cursor:pointer}.checklist input{width:20px;height:20px;flex:none;accent-color:#875128;margin:1px 0}.checklist small{display:block;color:#53616b;margin-top:5px;font-size:13px}.check-status{font-size:14px;font-weight:700;min-height:24px}.two-column{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:start}.faq details{border-top:1px solid var(--line);padding:22px 0}.faq summary{font-size:18px;line-height:1.5;min-height:32px}.faq p{font-size:15px;line-height:1.8;color:var(--muted)}.footer{max-width:1240px;margin:55px auto 0;padding:40px;border-top:1px solid var(--line);display:grid;grid-template-columns:1.2fr 1fr;gap:30px}.footer p{font-size:12px;line-height:1.9;color:var(--muted)}.footer nav{display:flex;flex-wrap:wrap;gap:12px 24px;align-content:start;justify-content:flex-end;font-size:12px}.footer .legal{grid-column:1/-1;font-size:11px;max-width:760px}.article-shell{max-width:1160px;padding:30px 40px 50px;margin:auto}.article-top{display:flex;gap:12px;color:var(--muted);font-size:12px}.article-header{max-width:830px;padding-block:48px 36px}.article-header h1{font:400 clamp(37px,4vw,54px)/1.12 Georgia,serif;letter-spacing:-.025em;margin:18px 0}.standfirst{font-size:18px;line-height:1.7;color:#d0d5d6}.article-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:55px;border-top:1px solid var(--line);padding-top:35px}.article-grid aside nav{display:grid;gap:14px;font-size:13px;line-height:1.5;position:sticky;top:22px}.article-grid aside strong{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin-bottom:8px}.article-grid aside a{text-decoration:none;color:var(--muted)}.aside-help{display:block;font-size:12px;line-height:1.8;margin-top:35px}.prose{min-width:0;max-width:760px;font-size:16px;line-height:1.9}.prose h2{font:400 30px/1.3 Georgia,serif;margin:42px 0 20px;scroll-margin-top:25px;color:var(--ink)}.prose h2:first-child{margin-top:0}.prose h3{font-size:19px;line-height:1.4;margin-top:30px}.prose p,.prose li{color:#d2d7d9}.prose li{margin:10px 0}.prose a{color:#f1b989}.prose code{font-size:.87em;background:#25313a;padding:3px 5px;overflow-wrap:anywhere}.prose pre{background:#0b1117;border:1px solid var(--line);padding:20px;overflow:auto;font-size:13px;line-height:1.8}.prose pre code{padding:0;background:transparent}.prose blockquote{border-left:3px solid var(--accent);padding:3px 20px;margin:25px 0;background:var(--panel)}.prose table{width:100%;border-collapse:collapse;font-size:14px;margin-block:20px}.prose th,.prose td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.prose th{color:var(--accent);font-size:12px}.prose hr{border:0;border-top:1px solid var(--line);margin:35px 0}.source-note{margin-top:45px;padding:25px;background:var(--panel);font-size:13px}.prose .source-note h2{font-size:22px;margin:0 0 12px}.next-link{display:block;margin-top:28px}.download-head{max-width:790px;padding-block:55px 30px}.download-head h1{font:400 clamp(40px,4vw,56px)/1.12 Georgia,serif;margin:18px 0}.platforms{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-block:30px}.platform{padding:30px;border:1px solid var(--line);background:var(--panel)}.platform h2{font-size:27px}.platform p{line-height:1.7;color:var(--muted);font-size:14px}.platform code{font-size:13px}.callout{padding:22px 25px;border-left:3px solid var(--accent);background:var(--panel);font-size:14px;line-height:1.8}.release-details{padding-block:25px;font-size:14px;color:var(--muted);line-height:1.8}.inline-links{display:flex;gap:24px;flex-wrap:wrap;font-size:13px}.ad-slot{margin:30px auto;text-align:center;font-size:10px;color:var(--muted);max-width:100%;overflow:hidden}.ad-slot iframe{border:0;display:block;margin:auto}.not-found{min-height:50vh;padding:70px 0}.filter{width:100%;padding:15px;background:var(--panel);color:var(--ink);border:1px solid var(--line);margin:10px 0 20px}button.reset{background:transparent;color:var(--ink);border:1px solid var(--line);padding:10px 18px}#no-results{color:var(--muted);padding:18px 0}[hidden]{display:none!important}@media(max-width:1000px){.header{gap:20px}.project-link{display:none}.hero{gap:30px}.hero h1{font-size:48px}.article-grid{grid-template-columns:180px minmax(0,1fr);gap:30px}}@media(max-width:700px){.header{padding:20px;flex-wrap:wrap;gap:18px}.header nav{width:100%;margin:0;gap:20px;overflow-x:auto}.header nav a{white-space:nowrap;font-size:13px}.disclosure{text-align:left;font-size:11px}.wrap{padding-inline:22px}.hero{grid-template-columns:1fr;padding-block:38px 30px;gap:25px}.hero h1{font-size:45px}.hero .lead{font-size:16px}.release-strip{grid-template-columns:1fr;gap:20px;padding-block:24px}.release-strip b{font-size:18px;display:inline;margin-right:10px}.section{padding-block:35px}.section-head{display:block}.section h2,.paper h2{font-size:29px}.guide-list,.two-column,.platforms{grid-template-columns:1fr;gap:0}.two-column{gap:28px}.paper{padding:27px 22px}.guide{gap:12px;grid-template-columns:28px 1fr 15px}.footer{padding:28px 22px;grid-template-columns:1fr;margin-top:30px}.footer nav{justify-content:flex-start;line-height:2}.article-shell{padding-inline:22px}.article-header{padding-top:30px}.article-header h1{font-size:39px}.article-grid{display:block;padding-top:25px}.article-grid aside{margin-bottom:30px}.article-grid aside nav{position:static;display:flex;flex-wrap:wrap;gap:12px 20px}.article-grid aside strong{width:100%}.aside-help{display:none}.prose{font-size:16px}.prose table{font-size:12px}.prose th,.prose td{padding:10px 6px}.platforms{gap:18px}.download-head{padding-top:35px}.platform{padding:25px}.actions .button{flex:1;min-width:165px}}@media(prefers-reduced-motion:no-preference){a,button{transition:background .18s,color .18s}html{scroll-behavior:smooth}}.start-panel{padding:25px 0 25px 25px;border-left:1px solid var(--line)}.start-panel h2{font:400 30px/1.2 Georgia,serif;margin:12px 0 25px}.start-panel>a{display:block;padding:20px 0;border-top:1px solid var(--line);text-decoration:none}.start-panel span{display:block;font-size:13px;line-height:1.7;color:var(--muted);margin-top:8px}.start-panel p:last-child{font-size:12px;color:var(--muted)}.guide-video{max-width:760px;margin:0 auto 48px}.video-caption{font-size:13px}.video-caption strong{font-size:15px;margin-bottom:7px}.paper :focus-visible{outline-color:var(--dark)}.header nav{flex-wrap:wrap}.ad-slot{overflow:visible}.copy-control{display:flex;align-items:center;gap:15px;margin:8px 0 22px;font-size:12px}.copy-control button{padding:10px 14px;background:var(--panel);border:1px solid var(--line);color:var(--ink)}.toc summary{font-size:13px;color:var(--accent);margin-bottom:20px}.symptoms{display:flex;gap:10px;flex-wrap:wrap;margin:15px 0 30px}.symptoms a{border:1px solid var(--line);padding:8px 12px;font-size:13px;text-decoration:none}@media(max-width:700px){.start-panel{border-left:0;border-top:1px solid var(--line);padding:22px 0 0}.hero h1{font-size:40px}.hero .lead{font-size:16px}.hero{gap:18px}.header nav{gap:10px 18px;overflow:visible}.header nav a{padding:8px 0}.guide-video{margin-bottom:35px}}