@charset "UTF-8";
/* Academy extends the existing portal; storefront styles are intentionally untouched. */
:root{--bg:#f7f9fc;--blue:#2463d7;--cyan:#087fa0;--pale:#edf3fc;font-family:"Segoe UI","Microsoft YaHei",Arial,sans-serif}:root[data-theme=dark]{--bg:#0e1623;--surface:#142033;--ink:#e3ebf8;--muted:#a3b3cc;--line:#2b3c54;--blue:#83b1ff;--cyan:#7ad7e9;--pale:#1b304e}
.a-sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.g-page-shell{grid-template-columns:264px minmax(0,1fr)}.g-sidebar{padding:25px 18px}.g-main{padding:34px clamp(24px,3vw,50px) 0}.g-header{height:76px;padding:0 2.5%}.g-site-nav{gap:23px;font-size:12px}.g-site-nav .is-current:after{bottom:-29px}.g-brand{font-size:21px}.g-brand img{width:35px;height:35px}.g-topline{font-size:9px}.g-sidebar{top:76px;height:calc(100vh - 76px)}.g-library-label{font-size:10px;gap:7px;letter-spacing:.7px}.g-library-label b{font-size:8px;padding:2px 4px;border:1px solid var(--line);border-radius:4px;margin-left:4px}.a-header-search{display:flex;align-items:center;gap:5px}.a-header-search svg{width:15px;height:15px}.a-mobile-search{display:none}.g-header-actions{gap:12px}.g-header .g-language{font-size:10px}.a-nav-search{display:flex;align-items:center;gap:8px;margin-top:24px;background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:9px 11px}.a-nav-search svg{width:15px;height:15px;color:var(--muted);flex-shrink:0}.a-nav-search input{border:0;background:transparent;font-size:11px;min-width:0;width:100%;padding:2px}.a-nav-search:focus-within{border-color:var(--blue)}.a-nav-search input:focus{outline:none}.a-nav-utility{display:flex;justify-content:space-between;gap:8px;font-size:10px;padding:17px 3px 14px;color:var(--muted)}.a-nav-utility a:hover{color:var(--blue)}.a-doc-tree{border-top:1px solid var(--line);padding-top:9px}.a-doc-group{margin:3px 0}.a-doc-group>summary{display:flex;gap:8px;align-items:center;cursor:pointer;list-style:none;padding:10px 5px;border-radius:6px;font-size:11px;line-height:1.5}.a-doc-group>summary::-webkit-details-marker{display:none}.a-doc-group>summary:before{content:'›';color:var(--muted);transition:transform .15s}.a-doc-group[open]>summary:before{transform:rotate(90deg)}.a-doc-group>summary>span{font-size:8px;color:var(--muted);font-variant-numeric:tabular-nums}.a-doc-group>summary>b{font-weight:600;letter-spacing:0}.a-doc-group>summary>small{margin-left:auto;font-size:9px;color:var(--muted)}.a-doc-group>summary:hover{background:var(--pale)}.a-doc-group[open]>summary{color:var(--blue)}.a-doc-group>div{border-left:1px solid var(--line);margin-left:12px;padding:2px 0 8px 12px}.a-doc-group>div>a{display:flex;gap:5px;padding:7px 9px;font-size:10px;line-height:1.75;border-radius:5px;color:var(--muted);overflow-wrap:anywhere}.a-doc-group>div>a:hover,.a-doc-group>div>a.is-active{background:var(--pale);color:var(--blue)}.a-doc-group>div>a.is-active{font-weight:700}.a-doc-group>div>a.a-category-link{font-size:9px;color:var(--blue)}.a-nav-status{font-size:10px;margin:8px 5px}.a-side-tools{border-top:1px solid var(--line);margin-top:16px;padding-top:14px;display:grid;gap:2px}.a-side-tools a{display:flex;align-items:center;gap:9px;padding:9px 6px;font-size:11px;line-height:1.5}.a-side-tools a:hover{color:var(--blue)}.a-side-tools svg{width:16px;height:16px;color:var(--muted)}.a-side-tools span{margin-left:auto;border:1px solid var(--line);border-radius:4px;padding:0 5px;font-size:8px}.a-sidebar-note{margin-top:18px;border:1px solid var(--line);border-radius:9px;padding:16px;background:var(--bg)}.a-sidebar-note b{font-size:11px}.a-sidebar-note p{font-size:10px;line-height:1.8;margin:8px 0 10px}.a-sidebar-note a{font-size:10px;color:var(--blue)}.a-home-intro{display:grid;grid-template-columns:1.4fr 1fr;gap:42px;align-items:center;padding:12px 0 24px}.a-home-intro h1{font-size:clamp(32px,3vw,46px);margin:19px 0 16px;line-height:1.14;letter-spacing:-1.7px}.a-home-intro p{font-size:14px;line-height:1.9;margin-bottom:22px;max-width:530px}.a-home-actions{display:flex;gap:10px;flex-wrap:wrap}.a-home-actions .g-button{font-size:11px;padding:10px 14px}.a-home-intro>aside{padding:22px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}.a-home-intro>aside>.g-eyebrow{font-size:8px;margin-bottom:10px;color:var(--muted)}.a-home-intro>aside>a{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding:10px 0;font-size:11px}.a-home-intro>aside>a:last-child{border-bottom:0;padding-bottom:0}.a-home-intro>aside>a:hover{color:var(--blue)}.a-home-intro>aside svg{width:14px;height:14px;color:var(--blue)}.g-main-search{box-shadow:none}.g-search-section{margin:16px 0 24px}.g-topic-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.g-topic-card{padding:20px}.g-topic-card>span{width:30px;height:30px;margin-bottom:12px}.g-topic-card h3{font-size:14px;line-height:1.45}.g-topic-card small{font-size:10px}.g-article-card p{font-size:12px}.g-article-card h3{line-height:1.45}.g-card-meta{font-size:9px}.g-topic-tabs{gap:4px}.g-topic-tabs a{font-size:10px}.a-page-intro{margin:5px 0 28px;max-width:900px}.a-page-intro h1{font-size:clamp(30px,3vw,43px);line-height:1.2;margin:17px 0}.a-page-intro>p{font-size:14px;max-width:780px;line-height:1.9}.a-unified-form{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}.a-search-input{position:relative;display:flex;align-items:center;gap:11px;border:1px solid var(--line);border-radius:8px;padding:12px 15px;flex:1;min-width:180px;background:var(--surface)}.a-search-input>svg{color:var(--blue);flex-shrink:0;width:18px}.a-search-input>input{border:0;width:100%;font-size:12px}.a-search-input:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px var(--pale)}.a-search-input>input:focus{outline:none}.a-filter-details{width:100%;margin-top:5px}.a-filter-details>summary{cursor:pointer;color:var(--muted);font-size:11px;list-style:none;display:flex;align-items:center;gap:7px;padding:7px 0}.a-filter-details>summary:before{content:'+';font-size:13px;color:var(--blue)}.a-filter-details[open]>summary:before{content:'−'}.a-filter-details>summary>span{font-size:8px;background:var(--pale);padding:0 5px;border-radius:3px}.a-filter-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin:12px 0}.a-filter-grid label{font-size:10px;color:var(--muted)}.a-filter-grid select{display:block;font-size:11px;border:1px solid var(--line);border-radius:6px;width:100%;margin-top:6px;padding:9px 8px}.a-local-note{font-size:10px!important;line-height:1.8!important;color:var(--muted)}.a-search-summary{border-top:1px solid var(--line);padding:18px 0;color:var(--muted);font-size:12px}.a-search-group{margin:20px 0 35px}.a-search-group h2{font-size:23px}.a-search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.a-search-results>a{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:9px;padding:19px 40px 19px 20px;min-width:0}.a-search-results>a:hover{border-color:var(--blue)}.a-result-kind{font-size:8px;color:var(--blue);letter-spacing:.8px}.a-search-results h3{font-size:16px;line-height:1.5;margin:9px 0;overflow-wrap:anywhere}.a-search-results p{font-size:11px;line-height:1.85;margin:0 0 10px;overflow-wrap:anywhere}.a-search-results small{font-size:9px;color:var(--muted);overflow-wrap:anywhere;display:block}.a-search-results svg{position:absolute;right:15px;top:22px;color:var(--blue);width:15px}.a-unified-suggestions,.g-suggestions{position:absolute;top:calc(100% + 6px);left:0;right:0;min-width:280px;max-height:420px;overflow:auto;background:var(--surface);border:1px solid var(--line);border-radius:9px;box-shadow:0 18px 40px #14223a25;z-index:25;padding:8px}.a-suggestion-group>span{display:block;color:var(--muted);font-size:8px;letter-spacing:1px;padding:8px 11px 3px}.a-suggestion-group>a{display:block;padding:9px 11px;border-radius:5px}.a-suggestion-group>a:hover,.a-suggestion-group>a:focus{background:var(--pale)}.a-suggestion-group b{display:block;font-size:11px;font-weight:600;overflow-wrap:anywhere}.a-suggestion-group small{font-size:9px;display:block;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.g-reading-layout{grid-template-columns:minmax(0,1fr) 160px;gap:34px}.a-article h1{font-size:clamp(30px,3vw,43px);line-height:1.25;letter-spacing:-1.1px;max-width:900px}.a-article .g-article-lead{font-size:15px;line-height:1.95}.a-article-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:25px 0}.a-article-actions .g-button{font-size:11px}.a-verification-strip{display:flex;align-items:center;gap:14px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding:5px 0 25px;margin-bottom:28px;font-size:9px;color:var(--muted)}.a-status-tag{display:inline-flex;align-items:center;gap:6px;background:var(--pale);border:1px solid var(--line);color:var(--blue);border-radius:4px;padding:4px 7px;font-size:8px;font-weight:650;letter-spacing:.4px}.a-status-tag:before{content:'';display:block;width:4px;height:4px;border-radius:50%;background:var(--blue)}.a-learning-goal{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:23px}.a-learning-goal h2{font-size:23px;margin:12px 0}.a-learning-goal p:last-child{margin-bottom:0}.a-scope{display:flex;gap:12px;padding:14px;background:var(--pale);border-radius:7px;font-size:11px;line-height:1.8}.a-scope b{white-space:nowrap;color:var(--blue)}.a-article .g-article-section h2{font-size:25px}.a-article .g-article-section p{font-size:14px;line-height:1.95}.a-article .g-file-list code{font-size:11px}.a-article .g-steps li{font-size:14px;line-height:1.95}.a-article .g-steps li:before{width:33px;height:33px;font-size:11px}.a-step-label{display:block;font-size:9px;letter-spacing:1px;color:var(--blue);font-weight:700;margin-bottom:6px}.a-tutorial-steps li>div{width:100%;min-width:0}.a-tutorial-steps li p{color:var(--ink);margin-bottom:12px}.a-step-complete{display:flex;align-items:flex-start;gap:9px;font-size:11px;color:var(--muted)}.a-step-complete input{accent-color:#2463d7;margin-top:5px}.a-tutorial-steps li.is-completed:before{background:var(--pale);border-color:var(--blue)}.a-tutorial-track{display:flex;gap:15px;align-items:center;padding:15px;border:1px solid var(--line);border-radius:8px;background:var(--surface);font-size:11px;flex-wrap:wrap}.a-tutorial-track progress{flex:1;min-width:90px}.a-walk-controls{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 0;border-top:1px solid var(--line)}.a-walk-controls>span{font-size:10px;color:var(--muted);text-align:center}.a-walk-controls button:disabled{opacity:.4;filter:none}progress{accent-color:#2463d7;height:6px;border:0;border-radius:6px;overflow:hidden}progress::-webkit-progress-bar{background:var(--line)}progress::-webkit-progress-value{background:#2463d7;border-radius:6px}.a-reading-progress progress{display:block;width:100%;margin:12px 0}.a-reading-progress span{display:block;font-size:10px;color:var(--muted)}.a-on-page{top:105px}.a-on-page>div>b{font-size:9px;letter-spacing:.4px}.a-origin-label{display:block;border:1px solid var(--line);background:var(--pale);border-radius:5px;font-size:9px;line-height:1.8;padding:8px 12px;color:var(--blue);letter-spacing:.3px;overflow-wrap:anywhere;margin:15px 0}.a-inline-link{display:inline-flex;font-size:12px;color:var(--blue);font-weight:600;line-height:1.8}.a-coverage-note{border:1px dashed var(--line);padding:20px;border-radius:9px;background:var(--surface);margin:25px 0}.a-coverage-note>b{font-size:12px}.a-coverage-note p{font-size:12px!important;line-height:1.9;margin:8px 0 0}.a-troubleshooting details{border:1px solid var(--line);border-radius:8px;background:var(--surface);margin:10px 0;padding:15px 18px}.a-troubleshooting summary{font-size:13px;font-weight:600;cursor:pointer}.a-troubleshooting p{margin:14px 0 0;font-size:13px!important}.a-explorer-layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:23px;align-items:start}.a-file-tree{position:sticky;top:100px;background:var(--surface);border:1px solid var(--line);border-radius:9px;min-width:0;padding:15px 12px;max-height:calc(100vh - 125px);overflow:auto;scrollbar-width:thin}.a-file-tree>details>summary{font-size:11px;font-weight:650;display:flex;align-items:center;gap:8px;cursor:pointer;list-style:none}.a-file-tree>details>summary:after{content:'⌄';margin-left:auto;color:var(--muted)}.a-file-tree>details>summary svg{width:15px;color:var(--blue)}.a-file-tree p{font-size:9px;color:var(--muted);margin:12px 0}.a-file-tree ul{list-style:none;margin:0;padding-left:10px;border-left:1px solid var(--line)}.a-file-tree #file-tree>ul{padding-left:0;border-left:0}.a-file-tree li{margin:4px 0;min-width:0}.a-file-tree #file-tree summary{font-size:10px;cursor:pointer;padding:5px 2px;overflow-wrap:anywhere;color:var(--ink);line-height:1.7}.a-file-tree li a{display:block;padding:5px 3px;font-size:9px;line-height:1.7;overflow-wrap:anywhere;color:var(--muted)}.a-file-tree li a:hover{color:var(--blue);background:var(--pale)}.a-tree-all{font-size:9px;display:block;color:var(--blue);margin-top:15px}.a-tree-more{font-size:9px;border:1px solid var(--line);border-radius:4px;background:var(--pale);padding:5px 8px;margin:7px}.a-explorer-content{min-width:0}.a-explorer-content>.a-unified-form{margin-top:0}.a-explorer-content .a-filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.a-reference-list{display:grid;gap:10px}.a-reference-list>a{display:flex;align-items:flex-start;gap:12px;padding:18px;border:1px solid var(--line);background:var(--surface);border-radius:8px;min-width:0}.a-reference-list>a:hover{border-color:var(--blue)}.a-reference-list svg{width:16px;height:16px;flex-shrink:0;color:var(--blue);margin-top:3px}.a-reference-list svg:last-child{margin-left:auto;width:11px;color:var(--muted)}.a-reference-list> a>div{min-width:0}.a-reference-list h2{font-size:15px;line-height:1.5;overflow-wrap:anywhere;margin:0 0 5px;letter-spacing:-.1px}.a-reference-list code{font-size:9px;overflow-wrap:anywhere;color:var(--muted);display:block}.a-reference-list p{font-size:11px;line-height:1.8;margin:8px 0}.a-reference-list span{font-size:9px;color:var(--muted)}.a-file-document h1{font-size:clamp(27px,2.5vw,37px);line-height:1.3;margin-top:14px}.a-file-document .g-article-lead{font-size:14px}.a-file-document .g-file-actions{padding:20px;display:block}.a-file-document .g-file-actions>.g-button{margin-top:15px}.a-file-document .g-article-section h2{font-size:23px}.a-file-document .g-article-section p{font-size:12px}.a-editor{border:1px solid #314563;border-radius:9px;overflow:hidden;background:#101e32;color:#dce8fa;margin:20px 0}.a-editor-tab{display:flex;align-items:center;gap:9px;padding:13px 16px;background:#1a2b44;border-bottom:1px solid #314563;font-size:10px}.a-editor-tab svg{width:15px;color:#8dbaff}.a-editor-tab small{margin-left:auto;font-size:8px;color:#9eb5d5}.a-editor-body{position:relative}.a-editor-body pre{margin:0;padding:20px;overflow:auto;max-height:450px;font:11px/2 Consolas,"Courier New",monospace;tab-size:4;min-height:100px}.a-editor-status{display:flex;justify-content:space-between;align-items:center;padding:8px 14px;border-top:1px solid #314563;font-size:8px;letter-spacing:.6px;color:#a9bad2;background:#17283f}.a-editor-status .g-text-button{color:#93bdff;font-size:9px}.a-annotation-panel{padding:20px;border:1px solid var(--line);border-radius:9px;background:var(--surface)}.a-annotation-panel h3{font:600 17px/1.6 Consolas,monospace;color:var(--blue);margin:8px 0}.a-annotation-panel b{font-size:12px}.a-annotation-panel p{font-size:12px;line-height:1.9;margin:7px 0}.a-annotation-panel.is-selected{border-color:var(--blue);background:var(--pale)}.a-annotation-panel small{font-size:9px;display:block;color:var(--muted);margin-bottom:10px}.a-structure-notes{padding:15px 18px;border:1px solid var(--line);background:var(--surface);border-radius:8px;margin:24px 0}.a-structure-notes summary{font-size:11px;cursor:pointer}.a-structure-notes pre{font:10px/1.9 Consolas,monospace;overflow:auto;margin-bottom:0}.a-field-search>label{display:block;font-size:11px;margin-bottom:8px;color:var(--muted)}.a-field-table{max-height:600px}.g-table-wrap thead th{position:sticky;top:0;z-index:2}.a-field-button{font:11px/1.8 Consolas,monospace;color:var(--blue);text-align:left;background:none;border:0;border-bottom:1px dotted var(--blue);padding:2px 0;overflow-wrap:anywhere}.a-field-pagination{display:flex;align-items:center;gap:12px;justify-content:space-between}.a-field-pagination p{font-size:10px;color:var(--muted);margin:0}.a-field-pagination nav{display:flex;gap:8px}.a-field-pagination .g-button{padding:6px 12px}.a-file-next{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0 35px}.a-syn-comment{color:#8fa3bf}.a-syn-string{color:#a9d4a8}.a-syn-section,.a-syn-keyword{color:#c8acfa}.a-syn-number{color:#f4c391}.a-syn-key{color:#88cafa}.a-syn-tag{color:#8eafff}.a-code-field{display:inline;font:inherit;line-height:inherit;background:transparent;color:inherit;border:0;border-bottom:1px dotted #8bbdff;padding:0;vertical-align:baseline}.a-code-field:hover,.a-code-field:focus{background:#29558c;color:#fff}.a-lab-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:25px 0}.a-lab-tabs a{font-size:11px;border:1px solid var(--line);background:var(--surface);border-radius:6px;padding:9px 12px;line-height:1.5}.a-lab-tabs a.is-active{background:var(--pale);border-color:var(--blue);color:var(--blue);font-weight:650}.a-lab-workspace{border:1px solid var(--line);border-radius:12px;background:var(--surface);padding:26px;min-width:0}.a-lab-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding-bottom:22px;margin-bottom:24px}.a-lab-heading h2{font-size:25px;margin:15px 0 10px}.a-lab-heading p{font-size:12px;line-height:1.9;margin:0}.a-lab-heading>.g-button{font-size:10px;white-space:nowrap;padding:9px 12px}.a-lab-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:25px;align-items:start}.a-lab-form{background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:18px}.a-lab-form h3{font-size:14px;margin-bottom:20px}.a-lab-form>label{display:block;margin-bottom:16px;font-size:11px;color:var(--ink)}.a-lab-form>label>span{display:block;font-weight:600;margin-bottom:6px}.a-lab-form input,.a-lab-form 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