@font-face{font-family:'AIPlay Display';src:url('./fonts/aiplay-display-heavy.woff2') format('woff2');font-weight:900;font-display:swap}
:root{--wb-paper:#faf8f4;--wb-ink:#0b0b0b;--wb-blue:#054dfe;--wb-muted:#696963;--wb-line:#e2ded7;--wb-selected:#e8edff;--wb-font:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif}
html.wb-open body{margin:0;min-width:320px}html.wb-open,html.wb-open body{height:100%;overflow:hidden;background:var(--wb-paper)}
.wb-app,.wb-app *{box-sizing:border-box}.wb-app{font-family:var(--wb-font);color:var(--wb-ink);background:var(--wb-paper);height:100dvh;font-size:14px;line-height:1.55;font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased}
.wb-app button,.wb-app input,.wb-app select{font:inherit;color:inherit}.wb-app button{cursor:pointer}.wb-app a{color:inherit;text-decoration:none}.wb-app a:hover{color:var(--wb-blue)}.wb-app button:disabled{cursor:default;opacity:.48}.wb-app button:focus-visible,.wb-app a:focus-visible,.wb-app input:focus-visible,.wb-app select:focus-visible,.wb-app [tabindex]:focus-visible{outline:2px solid var(--wb-blue);outline-offset:2px}.wb-app h1,.wb-app h2,.wb-app h3,.wb-app p{margin:0}.wb-app .wb-icon{width:19px;height:19px;flex:none;opacity:.9;vertical-align:middle;max-width:none}.wb-sr-only{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.wb-skip{position:fixed;top:-100px;left:12px;z-index:10;background:var(--wb-blue);padding:12px;color:#fff!important}.wb-skip:focus{top:4px}
.wb-header{height:72px;display:flex;align-items:center;gap:26px;padding:0 26px;border-bottom:1px solid var(--wb-line);background:var(--wb-paper);width:100%;max-width:none;margin:0}.wb-brand{font:900 25px/1 'AIPlay Display',var(--wb-font);white-space:nowrap;letter-spacing:-1px;min-width:126px}.wb-brand span{color:var(--wb-blue)}.wb-search{height:42px;display:flex;align-items:center;gap:12px;min-width:220px;flex:1;border:1px solid #cbc9c4;border-radius:9px;background:rgba(255,255,255,.58);padding:0 13px}.wb-search:focus-within{border-color:var(--wb-blue);outline:2px solid #054dfe15}.wb-search input{width:100%;min-width:0;border:0;outline:none!important;background:none;font-size:14px}.wb-search input::placeholder{color:#777872}.wb-search kbd{border:1px solid var(--wb-line);border-radius:3px;color:#84847e;font:12px var(--wb-font);padding:0 5px}.wb-nav{display:flex;gap:23px;white-space:nowrap;font-size:14px;font-weight:600}.wb-nav a[aria-current]{color:var(--wb-blue)}.wb-preview{border-left:1px solid #bcbab5;color:var(--wb-muted);font-size:12px;padding-left:22px;white-space:nowrap}
.wb-layout{display:grid;grid-template-columns:clamp(190px,16.2vw,241px) clamp(310px,28vw,414px) minmax(0,1fr);height:calc(100dvh - 72px);width:100%;max-width:none;margin:0;padding:0}.wb-sidebar{display:flex;flex-direction:column;min-width:0;padding:22px 12px 18px;border-right:1px solid var(--wb-line);overflow:auto;overscroll-behavior:contain}.wb-side-heading{font-size:14px;font-weight:700;padding:1px 14px 18px}.wb-categories{display:flex;flex-direction:column;gap:3px}.wb-categories button{height:43px;border:0;background:none;border-radius:5px;display:flex;align-items:center;text-align:left;gap:13px;padding:0 13px;white-space:nowrap;width:100%}.wb-categories button span{font-size:14px}.wb-categories small{font-size:12px;color:#787974;margin-left:auto}.wb-categories button:hover{background:#eeece7}.wb-categories button[aria-pressed=true]{color:var(--wb-blue);background:var(--wb-selected);font-weight:650}.wb-categories button[aria-pressed=true] img{filter:invert(24%) sepia(99%) saturate(6729%) hue-rotate(224deg) brightness(101%) contrast(102%)}.wb-facets{border-top:1px solid var(--wb-line);margin:20px 14px 0;padding-top:15px}.wb-facets h2{font-size:12px;color:var(--wb-muted);font-weight:500;margin-bottom:11px}.wb-facets label{display:grid;grid-template-columns:30px minmax(0,1fr);gap:9px;align-items:center;font-size:12px;color:var(--wb-muted);margin:8px 0}.wb-facets select{width:100%;height:31px;background:transparent;border:1px solid #d8d5cf;border-radius:4px;padding:0 6px;font-size:12px;color:var(--wb-ink)}.wb-reset{background:none;border:0;color:var(--wb-blue)!important;padding:9px 0;font-size:12px!important;text-align:left}.wb-side-bottom{margin-top:auto;padding:26px 14px 0}.wb-side-bottom a{display:flex;align-items:center;gap:13px;padding-top:14px;border-top:1px solid var(--wb-line);font-size:13px}.wb-side-bottom p{color:#777871;font-size:11px;line-height:1.8;margin-top:16px}
.wb-results{display:flex;flex-direction:column;min-width:0;min-height:0;border-right:1px solid var(--wb-line)}.wb-results-head{height:66px;flex:none;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 18px;color:#565851;font-size:13px}.wb-results-head strong{font-weight:500}.wb-results-head select{height:30px;border:1px solid var(--wb-line);border-radius:4px;background:none;padding:0 6px;font-size:12px;max-width:116px}.wb-result-list{overflow:auto;min-height:0;overscroll-behavior:contain;padding:0 8px 20px}.wb-result{display:block!important;position:relative;padding:15px 16px 13px;margin:0 0 1px;border-bottom:1px solid var(--wb-line);border-radius:3px;min-width:0}.wb-result:hover{background:#f1efe9;color:var(--wb-ink)!important}.wb-result h2{font-size:14px;font-weight:650;line-height:1.55;overflow-wrap:anywhere}.wb-result p{display:flex;gap:8px;justify-content:space-between;margin-top:9px;font-size:11px;color:#7a7b75;line-height:1.45;min-width:0}.wb-result p span{min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.wb-result time{flex:none}.wb-result-tools{display:block;color:#767871;font-size:10px;margin-top:5px}.wb-result.is-selected{background:var(--wb-selected);border-bottom-color:transparent}.wb-result.is-selected::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--wb-blue);border-radius:3px}.wb-load-more{width:100%;background:none;border:1px solid var(--wb-line);border-radius:4px;padding:13px;font-size:12px;margin-top:14px}.wb-warning{padding:12px 18px;background:#fff0da;font-size:12px}.wb-warning button{border:0;background:none;color:var(--wb-blue)}
.wb-reader{min-width:0;overflow:auto;overscroll-behavior:contain;padding:30px 32px 65px;scroll-padding-top:63px}.wb-reader:focus{outline:none}.wb-reader-top{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:#7b7c76;margin-bottom:23px}.wb-reader-top p{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.wb-article-link{display:flex;gap:6px;align-items:center;white-space:nowrap;font-size:11px}.wb-article-link img{width:15px!important;height:15px!important}.wb-article h1{font-family:var(--wb-font);font-size:clamp(24px,2.1vw,31px);line-height:1.42;font-weight:800;letter-spacing:-.8px;text-wrap:pretty;overflow-wrap:anywhere;margin:0 0 18px}.wb-byline{display:flex;gap:12px;align-items:center;font-size:13px;color:#686b65;flex-wrap:wrap}.wb-byline span{color:#898a84}.wb-lede{font-size:15px;line-height:1.95;color:#555852;margin:25px 0 26px!important}.wb-tabs{display:flex;gap:21px;border-bottom:1px solid #d2d2cc;margin:0 0 0}.wb-tabs button{padding:12px 8px 13px;border:0;background:none;border-bottom:2px solid transparent;margin-bottom:-1px;font-size:16px;font-weight:500}.wb-tabs button[aria-selected=true]{color:var(--wb-blue);border-bottom-color:var(--wb-blue);font-weight:700}.wb-toc{position:sticky;top:-30px;z-index:2;display:flex;align-items:center;gap:17px;flex-wrap:wrap;background:var(--wb-paper);border-bottom:1px solid var(--wb-line);padding:12px 0;font-size:11px;color:#71736c;margin:0 0 27px}.wb-toc a[aria-current]{color:var(--wb-blue);font-weight:700}.wb-mobile-back{display:none}.wb-article #article-panel{min-height:280px}.wb-article #article-panel:focus{outline:none}
.wb-materials{display:grid;grid-template-columns:minmax(122px,28%) minmax(0,1fr);gap:26px;align-items:start}.wb-material-list{display:flex;flex-direction:column;gap:4px}.wb-material-list button{border:0;background:none;text-align:left;min-height:39px;padding:9px 10px;border-left:2px solid transparent;font-size:13px;line-height:1.55;border-radius:2px;overflow-wrap:anywhere}.wb-material-list button span{font-variant-numeric:tabular-nums}.wb-material-list button:hover{background:#efede8}.wb-material-list button[aria-selected=true]{background:var(--wb-selected);color:var(--wb-blue);border-left-color:var(--wb-blue);font-weight:600}.wb-material-detail{min-width:0}.wb-material-heading{display:flex;align-items:start;justify-content:space-between;gap:12px}.wb-material-heading h2{font-size:23px;line-height:1.4;letter-spacing:-.4px;font-weight:750;padding-top:2px}.wb-copy{flex:none;display:inline-flex;align-items:center;gap:8px;border:1px solid var(--wb-blue);border-radius:4px;background:var(--wb-blue);color:#fff!important;min-height:39px;padding:8px 12px;font-size:12px!important;white-space:nowrap}.wb-copy .wb-icon{filter:invert(1);width:16px;height:16px}.wb-copy:hover{background:#0039cd}.wb-material-intro{font-size:13px;line-height:1.9;color:#71736e;margin:17px 0 14px!important}.wb-material-text{border:1px solid #d9d8d2;border-radius:5px;background:#f6f4ef;margin:0;padding:21px 20px;min-height:215px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;font:14px/1.9 var(--wb-font);color:#252721;max-width:100%}.wb-material-text code{font:inherit}.wb-material-text.is-code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}.wb-material-note{display:flex;align-items:flex-start;gap:10px;border:1px solid #d5dfff;border-radius:4px;background:#edf2ff;padding:15px 13px;margin-top:14px!important;font-size:11px;line-height:1.8;color:#626c86}.wb-material-note img{width:17px!important;height:17px!important;margin-top:3px;filter:invert(24%) sepia(99%) saturate(6729%) hue-rotate(224deg) brightness(101%) contrast(102%)}.wb-copy-status{min-height:18px;font-size:12px;color:var(--wb-blue);margin-top:9px!important}
.wb-article .practical-body{font-size:15px;line-height:1.9;overflow-wrap:anywhere}.wb-article .practical-body>section{border:0;border-bottom:1px solid var(--wb-line);padding:0 0 29px;margin:0 0 28px;scroll-margin-top:66px}.wb-article .practical-body h2{font-size:21px;font-weight:720;letter-spacing:-.4px;line-height:1.5;margin:0 0 15px}.wb-article .practical-body h3{font-size:15px;font-weight:650;line-height:1.65;margin:15px 0 6px}.wb-article .practical-body p{margin:8px 0 14px;color:#4f534b}.wb-article .practical-body ul{padding-left:20px;margin:10px 0}.wb-article .practical-body li{padding-left:3px;margin:9px 0}.wb-article .article-steps{list-style:none;counter-reset:wb-step;padding:0;margin:0}.wb-article .article-steps>li{counter-increment:wb-step;position:relative;padding-left:35px;margin:0 0 22px}.wb-article .article-steps>li::before{content:counter(wb-step,decimal-leading-zero);position:absolute;left:0;top:3px;font-size:12px;color:var(--wb-blue);font-weight:650}.wb-article .article-steps h3{font-size:16px;margin:0 0 8px}.wb-article .practical-body pre{max-width:100%;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;padding:18px;background:#f2efe8;border:1px solid var(--wb-line);border-radius:4px;font:13px/1.85 var(--wb-font);margin:12px 0 21px}.wb-article .practical-body pre code{font:inherit}.wb-article .table-scroll{max-width:100%;overflow-x:auto}.wb-article table{width:100%;border-collapse:collapse;text-align:left;font-size:13px;margin:15px 0}.wb-article th,.wb-article td{padding:11px 10px;border-bottom:1px solid var(--wb-line);vertical-align:top}.wb-article th{border-top:2px solid #272b22}.wb-article .material-note{font-size:12px!important;color:#73766c!important}.wb-article .source-facts{white-space:pre-line}.wb-provenance{font-size:12px;line-height:1.9;color:#73776d;overflow-wrap:anywhere;padding-top:1px}.wb-provenance h2{font-size:14px;color:#282c23;margin-bottom:10px}.wb-provenance p{margin:10px 0}.wb-provenance a{display:inline-flex;align-items:center;gap:5px;color:var(--wb-blue);margin:5px 12px 5px 0}.wb-provenance img{width:15px!important;height:15px!important}.wb-empty{padding:36px 18px;color:#71756b;font-size:13px;line-height:1.9}.wb-empty h1,.wb-empty h2{font-size:18px;color:#292d22;margin:0 0 12px}.wb-empty a{color:var(--wb-blue)}.wb-loading{padding:35px 0;color:#767a70;font-size:14px}
@media(min-width:1600px){.wb-reader{padding-left:40px;padding-right:40px}.wb-article{max-width:980px;margin:auto}.wb-reader-top{max-width:980px;margin-left:auto;margin-right:auto}.wb-materials{gap:32px}}
@media(max-width:1180px) and (min-width:901px){.wb-header{gap:18px;padding:0 18px}.wb-brand{min-width:110px;font-size:23px}.wb-nav{gap:17px;font-size:13px}.wb-preview{display:none}.wb-layout{grid-template-columns:180px 290px minmax(0,1fr)}.wb-categories button{gap:9px;padding:0 8px}.wb-categories button span{font-size:12px}.wb-sidebar{padding-left:8px;padding-right:8px}.wb-reader{padding:25px 24px 60px}.wb-materials{grid-template-columns:110px minmax(0,1fr);gap:16px}.wb-material-heading{flex-wrap:wrap}.wb-material-heading h2{font-size:22px}.wb-toc{gap:12px;top:-25px}}
@media(max-width:900px){.wb-header{height:112px;padding:13px 16px 12px;display:grid;grid-template-columns:1fr auto;gap:12px}.wb-brand{font-size:23px}.wb-nav{font-size:12px;gap:16px;justify-content:flex-end}.wb-nav a:first-child{display:none}.wb-search{grid-row:2;grid-column:1/-1;height:38px;min-width:0}.wb-search input{font-size:13px}.wb-preview{display:none}.wb-layout{height:calc(100dvh - 112px);grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr)}.wb-sidebar{padding:12px 16px 0;display:block;border-right:0;border-bottom:1px solid var(--wb-line);overflow:visible}.wb-side-heading,.wb-side-bottom{display:none}.wb-categories{flex-direction:row;overflow-x:auto;padding-bottom:8px;gap:7px}.wb-categories button{height:32px;width:auto;flex:none;padding:0 10px;gap:6px}.wb-categories button span{font-size:12px}.wb-categories button small,.wb-categories button img{display:none}.wb-facets{margin:0;padding:7px 0;border-top:1px solid var(--wb-line);display:grid;grid-template-columns:1fr 1fr;gap:0 14px;align-items:center}.wb-facets h2{display:none}.wb-facets label{margin:4px 0;grid-template-columns:24px minmax(0,1fr);gap:6px;font-size:11px}.wb-facets select{font-size:11px;height:29px}.wb-reset{padding:7px 0!important;justify-self:end}.wb-results{grid-row:2;border-right:0}.wb-results-head{height:49px;padding:0 19px}.wb-result-list{padding:0 9px 20px}.wb-result{padding:14px 11px}.wb-result h2{font-size:15px}.wb-result p{font-size:11px}.wb-result-tools{font-size:11px}.wb-reader{display:none;padding:21px 19px 50px}.wb-layout.has-detail{display:block}.wb-layout.has-detail .wb-sidebar,.wb-layout.has-detail .wb-results{display:none}.wb-layout.has-detail .wb-reader{display:block;height:100%}.wb-reader-top{gap:10px;margin-bottom:19px;font-size:11px;flex-wrap:wrap}.wb-reader-top p{gap:7px}.wb-article-link{margin-left:auto}.wb-mobile-back{display:inline-flex;align-items:center;gap:5px;border:0;background:none;padding:5px 0;font-size:12px!important;color:var(--wb-blue)!important}.wb-mobile-back img{width:15px!important;height:15px!important}.wb-reader-top p{flex-basis:100%;order:3;margin-top:6px}.wb-article h1{font-size:24px;line-height:1.45;letter-spacing:-.5px;margin-bottom:14px}.wb-byline{font-size:11px;gap:8px}.wb-lede{font-size:14px;line-height:1.9;margin:19px 0 16px!important}.wb-tabs{gap:18px}.wb-tabs button{font-size:15px;padding:11px 6px}.wb-toc{gap:8px 15px;top:-21px;padding:10px 0;margin-bottom:23px;font-size:10px}.wb-materials{grid-template-columns:1fr;gap:18px}.wb-material-list{flex-direction:row;overflow:auto;padding-bottom:7px;gap:6px}.wb-material-list button{flex:none;max-width:180px;border:1px solid var(--wb-line);border-left-width:1px;border-radius:4px;min-height:34px;padding:7px 10px;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.wb-material-list button[aria-selected=true]{border-color:var(--wb-blue)}.wb-material-heading h2{font-size:22px}.wb-copy{font-size:12px!important;gap:6px;min-height:37px;padding:7px 10px}.wb-material-intro{font-size:12px;margin:14px 0 12px!important}.wb-material-text{font-size:14px;line-height:1.9;padding:17px 15px;min-height:220px}.wb-material-note{font-size:11px;padding:12px}.wb-article .practical-body{font-size:14px;line-height:1.9}.wb-article .practical-body h2{font-size:20px}.wb-article .article-steps>li{padding-left:31px}.wb-article .practical-body table{font-size:12px}.wb-article .practical-body th,.wb-article .practical-body td{padding:10px 7px}}
@media(prefers-reduced-motion:no-preference){.wb-result,.wb-categories button,.wb-material-list button{transition:background-color .12s}}
/* No-script public HTML remains complete and readable; the interactive app replaces this shell. */
body:not(:has(.wb-app)){margin:0;background:#faf8f4;color:#0b0b0b;font:15px/1.9 var(--wb-font)}body:not(:has(.wb-app))>header,body:not(:has(.wb-app))>main,body:not(:has(.wb-app))>footer{max-width:1100px;margin:auto;padding:24px}body:not(:has(.wb-app)) .detail{max-width:780px;margin:auto}body:not(:has(.wb-app)) pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f1eee8;padding:20px}body:not(:has(.wb-app)) a{color:#054dfe}.preview-banner{text-align:center;font-size:12px;padding:8px;background:#111;color:#fff}.source-box{overflow-wrap:anywhere}.table-scroll{overflow-x:auto}.practical-body table{width:100%;border-collapse:collapse}.practical-body td,.practical-body th{padding:10px;border-bottom:1px solid #ddd}

@media(min-width:901px) and (max-height:800px){.wb-categories button{height:36px}.wb-side-heading{padding-bottom:12px}.wb-facets{margin-top:14px;padding-top:10px}.wb-facets h2{display:none}.wb-facets label{margin:4px 0}.wb-facets select{height:29px}.wb-side-bottom{padding-top:16px}}

@media(min-width:1181px){.wb-categories button span{font-size:15px}.wb-result h2{font-size:15px}.wb-result p{font-size:12px}.wb-materials{grid-template-columns:160px minmax(0,1fr);gap:32px}.wb-material-list button{font-size:15px;line-height:1.6}.wb-material-heading h2{font-size:28px}.wb-material-text{font-size:16px}.wb-material-text.is-code{font-size:13px}.wb-material-note{font-size:12px}.wb-material-intro{font-size:14px}.wb-tabs button{font-size:18px}.wb-byline{font-size:14px}.wb-lede{font-size:16px;line-height:2}}

@media(max-width:900px){.wb-article:has(.wb-tabs button[data-tab="materials"][aria-selected="true"]) .wb-lede,.wb-article:has(.wb-tabs button[data-tab="example"][aria-selected="true"]) .wb-lede{display:none}.wb-toc{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px 8px}.wb-toc a{display:flex;align-items:center;min-height:32px;font-size:12px}.wb-copy{min-height:44px}.wb-material-list button{min-height:38px}}
.wb-result h2{text-wrap:pretty}

/* Latest user review: retain readable type sizes, use a compact workbench rhythm. */
.wb-app .wb-lede{line-height:1.65;margin:17px 0 18px!important}
.wb-app .wb-article h1{margin-bottom:13px}
.wb-app .wb-result{padding:10px 14px 9px}
.wb-app .wb-result h2{line-height:1.4}
.wb-app .wb-result p{margin-top:5px;line-height:1.4}
.wb-app .wb-tabs button{padding:9px 8px 10px;min-height:44px}
.wb-app .wb-toc{padding:8px 0;margin-bottom:20px}
.wb-app .practical-body{line-height:1.65}
.wb-app .practical-body>section{padding-bottom:20px;margin-bottom:20px}
.wb-app .practical-body h2{margin-bottom:10px}
.wb-app .practical-body h3{margin:12px 0 5px}
.wb-app .practical-body p{margin:6px 0 10px}
.wb-app .practical-body ul{margin:7px 0}
.wb-app .practical-body li{margin:5px 0}
.wb-app .practical-body .article-steps>li{margin:0 0 14px}
.wb-app .practical-body .article-steps h3{margin:0 0 5px}
.wb-app .wb-material-list button{padding:7px 9px;line-height:1.4;min-height:34px}
.wb-app .wb-material-text{line-height:1.65;padding:17px 18px;min-height:160px}
.wb-app .wb-material-intro{margin:12px 0 10px!important;line-height:1.65}
.wb-app .wb-material-note{padding:12px;line-height:1.65;margin-top:12px!important}
@media(min-width:901px){.wb-app .wb-categories button{height:37px}.wb-app .wb-reader{padding-top:24px}.wb-app .wb-reader-top{margin-bottom:18px}.wb-app .wb-results-head{height:54px}.wb-app .wb-toc{top:-24px}.wb-app .wb-side-heading{padding-bottom:13px}.wb-app .wb-facets{margin-top:14px;padding-top:12px}}
@media(max-width:900px){.wb-app .wb-result{padding:11px 10px}.wb-app .wb-material-list button{min-height:38px}.wb-app .wb-toc{padding:7px 0}.wb-app .wb-tabs button{min-height:44px}}