/* 91AV production workbench. Complete stylesheet; no inherited theme required. */
:root{--paper:#f3f5f4;--card:#fff;--ink:#17292c;--muted:#4f6468;--accent:#08665c;--line:#cad5d3;--soft:#e7efed;--strong:#152b30;--button:#fff;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.75 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;-webkit-text-size-adjust:100%}a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:.2em}a:hover{text-decoration:underline}a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:4px}img{display:block;max-width:100%;height:auto}h1,h2,h3{margin-top:0;color:var(--ink);font-weight:750;line-height:1.45;overflow-wrap:anywhere}p{margin:0 0 1em}ul,ol{padding-left:1.4em}li+li{margin-top:.45em}button,input,select,textarea{font:inherit}a,button,summary{-webkit-tap-highlight-color:transparent}.container{width:min(var(--max),calc(100% - 64px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:absolute;left:16px;top:-80px;z-index:30;background:var(--card);color:var(--ink);padding:10px 16px;border:2px solid var(--accent)}.skip:focus{top:12px}
.site-header{background:var(--strong);border-bottom:1px solid var(--strong)}.site-header .nav{display:flex;align-items:center;justify-content:space-between;gap:30px;min-height:84px}.logo{display:flex;align-items:center;gap:12px;font-size:26px;font-weight:850;letter-spacing:-.04em;text-decoration:none;color:#fff}.logo img{width:36px;height:36px;flex:0 0 36px}.site-header nav{display:flex;gap:6px;flex-wrap:wrap}.site-header nav a{color:#e3efed;font-size:14px;padding:12px 13px;text-decoration:none;border-bottom:2px solid transparent}.site-header nav a:hover,.site-header nav a[aria-current=page]{color:#fff;border-bottom-color:#9adecb}.site-header a:focus-visible{outline-color:#9adecb}
.eyebrow,.kicker,.step-number,.workflow-stage-number,.task-card-label{font:650 12px/1.5 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}.spotlight,.spotlight.sunny,.workbench-intro{padding:48px 0 36px;background:var(--paper);border-bottom:1px solid var(--line)}.spotlight>.container>.eyebrow{margin-bottom:20px}.spotlight-grid,.workbench-top{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:50px;align-items:start}.spotlight-copy h1,.workbench-intro h1{font-size:clamp(34px,4.3vw,55px);line-height:1.25;letter-spacing:-.045em;margin-bottom:22px;max-width:850px}.spotlight-copy h1 span{display:block}.spotlight-intro,.workbench-lead{font-size:18px;line-height:1.85;max-width:760px;color:var(--muted)}.feature-label{margin-top:26px;font-size:12px;font-weight:700;color:var(--accent)}.spotlight-copy h2{font-size:22px;margin-bottom:10px}.feature-lead{color:var(--muted);font-size:15px;max-width:720px}.spotlight-action,.primary-action{display:inline-block;background:var(--accent);color:#fff;padding:12px 18px;font-size:14px;font-weight:700;text-decoration:none;border:1px solid var(--accent)}.spotlight-action:hover,.primary-action:hover{background:var(--strong);border-color:var(--strong);color:#fff}.spotlight-picture{display:block;margin:0;padding:10px;border:1px solid var(--line);background:var(--card)}.spotlight-picture img{width:100%;height:240px;object-fit:contain}.spotlight-picture figcaption,.visual-aside figcaption{font-size:12px;line-height:1.7;color:var(--muted);padding-top:10px}.feature-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}.feature-strip article{padding:0 0 0 18px;border-left:3px solid var(--accent)}.feature-strip h2{font-size:19px;margin:5px 0 10px}.feature-strip p{font-size:14px;color:var(--muted)}
.workflow-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);margin:28px 0 0;list-style:none;padding:0;background:var(--card)}.workflow-rail>li{margin:0;border-right:1px solid var(--line)}.workflow-rail>li:last-child{border-right:0}.workflow-rail a{display:block;padding:20px 18px;min-height:130px;text-decoration:none;color:var(--ink)}.workflow-rail a:hover{background:var(--soft)}.workflow-rail strong{display:block;font-size:18px;margin:6px 0}.workflow-rail p{font-size:13px;line-height:1.7;color:var(--muted);margin:0}.workflow-rail .step-number{color:var(--accent)}.workbench-start{padding:22px;border:1px solid var(--line);background:var(--card)}.workbench-start h2{font-size:18px;margin-bottom:14px}.workbench-start ul{font-size:14px;margin:0}.workbench-start p{font-size:14px;color:var(--muted)}
.home-section,.workflow-section{padding:42px 0;border-bottom:1px solid var(--line);background:var(--paper)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:12px}.section-heading h2{font-size:28px;letter-spacing:-.03em;margin-bottom:0}.section-heading p{margin-bottom:8px;color:var(--muted);font:650 12px/1.5 ui-monospace,Consolas,monospace}.section-heading>a{font-size:13px;font-weight:700;white-space:nowrap}.section-lead{max-width:820px;color:var(--muted);font-size:15px;margin-bottom:28px}.work-grid,.task-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:30px;row-gap:0}.work-card{display:grid;grid-template-columns:76px minmax(0,1fr);align-items:start;gap:18px;min-width:0;padding:24px 0;border:0;border-top:1px solid var(--line);background:transparent;border-radius:0;box-shadow:none}.poster{display:block;background:var(--soft);border:1px solid var(--line);padding:4px;width:76px}.poster img,.poster.is-landscape img{width:100%;height:102px;object-fit:contain}.work-body{min-width:0;padding:0}.work-body h3{font-size:18px;line-height:1.65;margin:4px 0 10px}.work-body h3 a{color:var(--ink);text-decoration:none}.work-body h3 a:hover{color:var(--accent);text-decoration:underline}.work-body .meta{font-size:12px;line-height:1.5;color:var(--muted);margin:0 0 6px}.compact-facts{font-size:12px;line-height:1.6;margin:8px 0}.compact-facts div{display:flex;gap:8px}.compact-facts dt{color:var(--muted)}.compact-facts dd{margin:0;overflow-wrap:anywhere}.summary{font-size:14px;line-height:1.85;color:var(--muted);margin-bottom:12px}.read-link,.text-link{font-size:13px;font-weight:700;color:var(--accent)}.work-card .read-link{display:inline-block;min-height:28px}.task-output{margin-top:12px;padding-top:10px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted)}
.problem-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--line);background:var(--card)}.problem-index a{padding:20px;color:var(--ink);text-decoration:none;border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-size:15px;line-height:1.7}.problem-index a:nth-child(3n){border-right:0}.problem-index a:hover{background:var(--soft);color:var(--accent)}.problem-index small{display:block;font-size:12px;color:var(--muted);margin-top:8px}.reading-pairs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.reading-pairs article{padding:22px 0;border-top:3px solid var(--accent);background:transparent}.reading-pairs h3{font-size:20px;margin-bottom:12px}.reading-pairs p{font-size:14px;color:var(--muted)}.reading-pairs ul{font-size:14px}.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:0 28px}.faq-list details{border-top:1px solid var(--line);padding:18px 0;background:transparent}.faq-list summary{cursor:pointer;font-size:16px;font-weight:650;line-height:1.65}.faq-list p{margin:14px 0 0;font-size:14px;color:var(--muted)}.original-scenes,.visual-asides{display:flex;gap:20px;align-items:start;margin:24px 0}.original-scenes figure,.visual-asides figure{margin:0;max-width:220px;padding:10px;background:var(--card);border:1px solid var(--line)}.original-scenes img,.visual-asides img{width:100%;height:170px;object-fit:contain}.original-scenes figcaption,.visual-asides figcaption{font-size:12px;color:var(--muted);padding-top:8px;line-height:1.7}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;margin:26px 0;color:var(--muted);overflow-wrap:anywhere}.category-top{padding:20px 0 34px;border-bottom:1px solid var(--line)}.category-top h1{font-size:40px;letter-spacing:-.035em;margin-bottom:14px}.category-top p{font-size:17px;max-width:850px;color:var(--muted)}.category-content{padding:34px 0 46px}.category-content>h2{font-size:23px}.article-top{padding:10px 0 22px;max-width:940px}.article-top h1{font-size:clamp(29px,3.6vw,43px);line-height:1.4;letter-spacing:-.035em;margin-bottom:20px}.article-lead{font-size:18px;line-height:1.9;max-width:850px;color:var(--muted)}.article-meta{font-size:13px;color:var(--muted)}.detail-facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:22px 0 0;padding:16px 0;border-block:1px solid var(--line);font-size:13px}.detail-facts div{min-width:0}.detail-facts dt{color:var(--muted);font-size:12px}.detail-facts dd{margin:4px 0 0;overflow-wrap:anywhere}.article-layout{display:grid;grid-template-columns:235px minmax(0,760px);gap:46px;align-items:start;margin:26px 0 50px}.article-sidebar{position:sticky;top:24px}.toc,.sidebar-note{background:var(--card);border:1px solid var(--line);padding:18px;margin-bottom:18px;font-size:13px}.toc summary{font-weight:750;cursor:pointer}.toc ol{padding-left:18px;margin-bottom:0}.toc a{color:var(--ink)}.sidebar-note h2{font-size:15px;margin-bottom:10px}.sidebar-note p{color:var(--muted);font-size:13px}.sidebar-note .text-link{color:var(--accent)}.article-body{font-size:17px;line-height:1.95;min-width:0}.article-body h2{font-size:25px;line-height:1.5;margin:38px 0 18px;padding-top:18px;border-top:1px solid var(--line)}.article-body>section:first-child h2{margin-top:0}.article-body p{margin-bottom:1.25em}.article-figure{float:right;width:min(220px,40%);margin:0 0 24px 28px;padding:10px;border:1px solid var(--line);background:var(--card)}.article-figure img{width:100%;max-height:230px;object-fit:contain}.article-figure figcaption{font-size:12px;line-height:1.65;color:var(--muted);padding-top:8px}.article-body pre,.check-command{background:var(--strong);color:#e9f4f1;padding:18px;overflow:auto;font:14px/1.8 ui-monospace,Consolas,monospace;border-radius:0}.article-body code{font-family:ui-monospace,Consolas,monospace;overflow-wrap:anywhere}.source-list{clear:both;font-size:13px;color:var(--muted);padding-top:18px;margin-top:32px;border-top:1px solid var(--line)}.source-list h2{font-size:20px;border:0;margin-top:0;padding:0}.source-list li{overflow-wrap:anywhere}.source-list a{color:var(--accent)}.related{padding:32px 0;border-top:1px solid var(--line)}.related h2{font-size:24px}.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.project-label{display:inline-block;font-size:12px;border:1px solid var(--accent);color:var(--accent);padding:2px 7px;background:var(--soft)}
.policy{max-width:820px;padding:14px 0 50px;min-height:50vh}.policy h1{font-size:36px;line-height:1.4}.policy h2{font-size:23px;margin:30px 0 14px}.policy p,.policy li{line-height:1.9}.policy a[href^="mailto:"]{overflow-wrap:anywhere}.map-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding-bottom:42px}.map-box{border-top:3px solid var(--accent);padding:22px;background:var(--card)}.map-box h2{font-size:22px}.map-box li{font-size:14px}.map-box a{overflow-wrap:anywhere}footer{background:var(--strong);color:#e3efed;padding:32px 0 20px}footer h2,footer h3{color:#fff}.footer-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:50px}.footer-grid h2{font-size:20px;margin-bottom:10px}.footer-grid p{font-size:14px;color:#d0e0dd;max-width:650px}.footer-links{display:flex;flex-wrap:wrap;align-content:start;gap:12px 22px}.footer-links a,footer a{color:#e3efed;font-size:13px}.footer-workflow{display:flex;gap:18px;flex-wrap:wrap;margin:0 0 22px}.footer-workflow a{font-weight:700}.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:26px;padding-top:18px;border-top:1px solid #55716f;font-size:12px;color:#d0e0dd}footer a:focus-visible{outline-color:#9adecb}
@media(max-width:960px){.container{width:calc(100% - 44px)}.spotlight-grid,.workbench-top{grid-template-columns:minmax(0,1fr) 245px;gap:28px}.article-layout{grid-template-columns:190px minmax(0,1fr);gap:30px}.work-grid,.task-list{column-gap:24px}.reading-pairs{grid-template-columns:1fr}.reading-pairs article{padding:18px 0}.problem-index{grid-template-columns:repeat(2,minmax(0,1fr))}.problem-index a:nth-child(3n){border-right:1px solid var(--line)}.problem-index a:nth-child(2n){border-right:0}}
@media(max-width:700px){.container{width:calc(100% - 32px)}.site-header .nav{display:block;padding:17px 0 0;min-height:0}.logo{font-size:23px}.logo img{width:30px;height:30px;flex-basis:30px}.site-header nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin-top:13px}.site-header nav a{font-size:12px;text-align:center;padding:11px 2px;min-width:0}.spotlight,.spotlight.sunny,.workbench-intro{padding:30px 0 24px}.spotlight-grid,.workbench-top{grid-template-columns:1fr;gap:22px}.spotlight-copy h1,.workbench-intro h1{font-size:35px;line-height:1.3;margin-bottom:18px}.spotlight-intro,.workbench-lead{font-size:16px}.spotlight-copy h2{font-size:21px}.spotlight-picture{width:130px}.spotlight-picture img{height:150px}.feature-strip{grid-template-columns:1fr;gap:20px;margin-top:24px}.workflow-rail{grid-template-columns:repeat(2,minmax(0,1fr))}.workflow-rail>li{border-bottom:1px solid var(--line)}.workflow-rail>li:nth-child(2n){border-right:0}.workflow-rail>li:nth-last-child(-n+2){border-bottom:0}.workflow-rail a{min-height:132px;padding:16px 13px}.workflow-rail strong{font-size:17px}.workflow-rail p{font-size:12px}.workbench-start{padding:18px}.home-section,.workflow-section{padding:30px 0}.section-heading{align-items:start;gap:12px}.section-heading h2{font-size:24px}.section-heading>a{font-size:12px;white-space:normal;max-width:90px}.section-lead{font-size:14px;margin-bottom:22px}.work-grid,.task-list{grid-template-columns:1fr}.work-card{grid-template-columns:62px minmax(0,1fr);gap:14px;padding:20px 0}.poster{width:62px;padding:3px}.poster img,.poster.is-landscape img{height:84px}.work-body h3{font-size:17px;margin-top:2px;line-height:1.65}.summary{font-size:14px}.problem-index{grid-template-columns:1fr}.problem-index a,.problem-index a:nth-child(3n){border-right:0;padding:17px}.faq-list{grid-template-columns:1fr}.faq-list details{padding:17px 0}.category-top{padding-bottom:26px}.category-top h1{font-size:30px}.category-top p{font-size:16px}.article-top h1{font-size:30px;line-height:1.45}.article-lead{font-size:16px}.detail-facts{grid-template-columns:1fr 1fr;font-size:12px;gap:14px}.article-layout{display:flex;flex-direction:column;gap:22px;margin-top:24px}.article-sidebar{position:static;order:-1;width:100%}.toc{padding:16px;margin:0}.sidebar-note{margin-top:16px}.article-body{font-size:16px;line-height:1.95;width:100%}.article-body h2{font-size:23px;line-height:1.5;margin-top:30px}.article-figure{float:none;width:145px;margin:0 0 24px;padding:8px}.article-figure img{max-height:165px}.article-figure figcaption{font-size:11px}.article-body pre{font-size:12px;padding:14px}.related-grid,.map-grid{grid-template-columns:1fr}.related-grid{gap:0}.policy h1{font-size:30px}.policy h2{font-size:23px}.policy{padding-bottom:32px}.footer-grid{grid-template-columns:1fr;gap:18px}.footer-links{gap:14px 20px}.footer-bottom{display:block;margin-top:24px}.footer-bottom>*{display:block;margin:8px 0}.visual-asides,.original-scenes{gap:14px}.visual-asides figure,.original-scenes figure{max-width:140px}.visual-asides img,.original-scenes img{height:145px}}
@media(max-width:350px){.spotlight-copy h1,.workbench-intro h1{font-size:31px}.article-top h1{font-size:27px}.work-card{grid-template-columns:54px minmax(0,1fr);gap:12px}.poster{width:54px}.poster img,.poster.is-landscape img{height:75px}.workflow-rail a{padding:14px 11px}.workflow-rail p{font-size:12px}.site-header nav a{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.wrap{width:min(var(--max),calc(100% - 64px));margin-inline:auto}.article-meta{display:flex;gap:8px 16px;flex-wrap:wrap;margin-bottom:16px}.article-body{grid-column:2;grid-row:1}.article-sidebar{grid-column:1;grid-row:1}@media(max-width:960px){.wrap{width:calc(100% - 44px)}}@media(max-width:700px){.wrap{width:calc(100% - 32px)}}
.workbench-intro h1 span{display:block}.workflow-rail>article{padding:20px 18px;border-right:1px solid var(--line)}.workflow-rail>article:last-child{border-right:0}.workflow-rail a{padding:0;min-height:0}.workflow-rail h3{margin:6px 0 14px}.workflow-rail>article>a{margin-top:12px}.problem-index>article{padding:18px}.problem-index a{padding:0}