/* Compact article library and readable article pages. Scoped to this route. */
.tutorial-page { --article-accent:#f47721; --article-blue:#2369c7; --article-ink:#10243b; --article-body:#40536a; --article-muted:#718196; --article-line:#dfe7f0; background:#fff; color:var(--article-body); }
.tutorial-page .wrap { width:min(1200px,calc(100% - 44px)); margin-inline:auto; }
.tutorial-page .tutorial-hero { position:relative; isolation:isolate; min-height:clamp(300px,31vw,430px); display:flex; align-items:center; overflow:hidden; padding-top:var(--header-height); background:#102b45; color:#fff; }
.tutorial-page .tutorial-hero-art,.tutorial-page .tutorial-hero-shade { position:absolute; inset:0; z-index:-2; width:100%; height:100%; object-fit:cover; object-position:center 52%; }
.tutorial-page .tutorial-hero-shade { z-index:-1; background:linear-gradient(90deg,#061a2de6,transparent 72%),linear-gradient(0deg,#061a2d55,transparent 60%); }
.tutorial-page .tutorial-hero-copy { padding:42px 0 64px; }
.tutorial-page .tutorial-hero h1 { margin:0; font-size:clamp(42px,5vw,70px); line-height:1.2; font-weight:900; letter-spacing:-.03em; }
.tutorial-page .tutorial-hero p { margin-top:13px; font-size:clamp(17px,2vw,25px); font-weight:700; }
.tutorial-page .tutorial-library { padding-bottom:48px; }
.tutorial-page .tutorial-toolbar { position:relative; z-index:2; display:flex; align-items:center; gap:18px; margin-top:-26px; padding:15px; border:1px solid var(--article-line); border-radius:12px; background:#fff; box-shadow:0 12px 30px #10243b12; }
.tutorial-page .search-field { position:relative; display:flex; align-items:center; flex:1; min-width:200px; border:1px solid #d5dfeb; border-radius:24px; background:#f8fafc; }
.tutorial-page .search-field input { width:100%; min-height:43px; padding:9px 40px 9px 15px; border:0; outline:0; background:transparent; color:var(--article-ink); }
.tutorial-page .search-field button { position:absolute; right:8px; border:0; background:transparent; color:var(--article-muted); font-size:20px; cursor:pointer; }
.tutorial-page .tutorial-categories { display:flex; flex-wrap:wrap; gap:7px; justify-content:flex-end; }
.tutorial-page .tutorial-categories .chip { min-height:40px; padding:8px 16px; border:1px solid transparent; border-radius:20px; background:#f0f4f8; color:#4c6079; cursor:pointer; font-size:14px; font-weight:700; }
.tutorial-page .tutorial-categories .chip:hover,.tutorial-page .tutorial-categories .chip.is-active { border-color:var(--article-accent); background:#fff1e7; color:#d85f16; }
.tutorial-page .tutorial-filter-meta { display:flex; justify-content:space-between; gap:15px; margin:20px 0 12px; color:var(--article-muted); font-size:13px; }
.tutorial-page .tutorial-filter-meta p { margin:0; }
.tutorial-page .tutorial-filter-meta button { border:0; background:none; color:var(--article-blue); cursor:pointer; }
.tutorial-page .guide-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px; margin:20px 0 34px; }
.tutorial-page .guide-card { position:relative; display:flex; min-width:0; overflow:hidden; border:1px solid var(--article-line); border-radius:10px; background:#fff; transition:transform .18s,box-shadow .18s; }
.tutorial-page .guide-card:hover { transform:translateY(-2px); box-shadow:0 10px 24px #10243b14; }
.tutorial-page .guide-card-index { flex:none; padding:16px 11px; color:var(--article-accent); font:700 13px/1 ui-monospace,Consolas,monospace; background:#fff6ef; border-right:1px solid #f7d8c2; }
.tutorial-page .guide-card-copy { display:flex; flex:1; align-items:center; justify-content:space-between; gap:12px; padding:14px 15px; }
.tutorial-page .guide-card-copy h3 { margin:0; color:var(--article-ink); font-size:17px; line-height:1.4; }
.tutorial-page .guide-card-copy p { margin:5px 0 0; color:var(--article-muted); font-size:13px; line-height:1.6; }
.tutorial-page .card-arrow { flex:none; color:var(--article-accent); font-size:21px; }
.tutorial-page .tutorial-notice { display:grid; grid-template-columns:auto auto 1fr; align-items:center; gap:9px; margin:4px 0 16px; padding:12px 15px; border:1px solid #f0dfd1; border-radius:8px; background:#fffaf6; color:var(--article-muted); font-size:13px; }
.tutorial-page .tutorial-notice strong { color:var(--article-ink); }
.tutorial-page .notice-mark { color:var(--article-accent); font-size:17px; }
.tutorial-page .tutorial-notice p { margin:0; }
.tutorial-page .guide-grid { grid-template-columns:repeat(4,minmax(0,1fr)); grid-template-rows:repeat(2,minmax(0,1fr)); gap:14px; }
.tutorial-page .guide-card { min-height:146px; }
.tutorial-page .guide-feature { grid-column:span 2; grid-row:span 2; min-height:304px; color:#fff; }
.tutorial-page .guide-feature-art,.tutorial-page .guide-feature-shade { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; }
.tutorial-page .guide-feature-art { object-position:center; z-index:0; }
.tutorial-page .guide-feature-shade { z-index:1; background:linear-gradient(135deg,#10243bd9 0%,#10243b35 68%,#10243b80 100%); }
.tutorial-page .guide-feature-copy { position:relative; z-index:3; align-self:flex-end; width:100%; padding:24px; }
.tutorial-page .guide-feature-copy h3 { margin:9px 0 4px; color:#fff; font-size:25px; }
.tutorial-page .guide-feature-copy p { margin:0; color:#e7eef5; font-size:14px; line-height:1.7; }
.tutorial-page .guide-feature-copy .card-arrow { position:absolute; right:22px; bottom:21px; }
.tutorial-page .demo-badge,.tutorial-page .scene-label { display:inline-flex; align-items:center; gap:5px; padding:5px 8px; border-radius:4px; background:#ffffff2b; color:#fff; font-size:11px; font-weight:700; }
.tutorial-page .guide-standard,.tutorial-page .guide-wide { display:flex; flex-direction:column; }
.tutorial-page .guide-card-media { position:relative; min-height:94px; overflow:hidden; background:#e9eff5; }
.tutorial-page .guide-card-media > img { display:block; width:100%; height:100%; min-height:94px; object-fit:cover; }
.tutorial-page .guide-standard .guide-card-copy,.tutorial-page .guide-wide .guide-card-copy { min-height:76px; padding:12px 14px; }
.tutorial-page .guide-standard .guide-card-copy h3,.tutorial-page .guide-wide .guide-card-copy h3 { font-size:16px; }
.tutorial-page .guide-wide { grid-column:span 2; }
.tutorial-page .guide-grid.is-filtered { grid-template-columns:repeat(2,minmax(0,1fr)); grid-template-rows:auto; }
.tutorial-page .guide-grid.is-filtered .guide-card { grid-column:auto; grid-row:auto; }
.tutorial-page .guide-wide .guide-card-media { min-height:108px; }
.tutorial-page .link-demo { position:absolute; z-index:2; right:20px; top:23px; display:flex; width:48%; min-height:115px; border-radius:5px; background:#fff; box-shadow:0 9px 24px #08172940; color:#526274; transform:rotate(2deg); opacity:.92; overflow:hidden; }
.tutorial-page .demo-sidebar { display:grid; gap:5px; align-content:start; width:35%; padding:9px 6px; background:#132c47; color:#b8c9d8; font-size:7px; }
.tutorial-page .demo-sidebar span { white-space:nowrap; }
.tutorial-page .demo-sidebar-active { padding:4px 3px; border-radius:2px; background:#f47721; color:#fff; }
.tutorial-page .demo-panel { flex:1; padding:11px 9px; font-size:8px; }
.tutorial-page .demo-panel-title { display:flex; justify-content:space-between; color:#10243b; font-size:9px; font-weight:700; }
.tutorial-page .demo-address { display:flex; justify-content:space-between; margin-top:10px; padding:6px; border:1px solid #d9e2eb; border-radius:3px; color:#8a99aa; font-size:7px; }
.tutorial-page .demo-copy { color:var(--article-accent); }
.tutorial-page .demo-share { display:flex; gap:6px; margin-top:8px; color:#71a67b; }
.tutorial-page .demo-panel-rule { height:4px; margin-top:13px; border-radius:4px; background:#e7edf3; }
.tutorial-page .demo-panel-rule.short { width:65%; margin-top:5px; }
.tutorial-page .demo-pointer { position:absolute; right:10%; bottom:-22px; width:70px; fill:none; stroke:#f47721; stroke-width:3; stroke-linecap:round; }
.tutorial-page .data-card-media { padding:12px; background:linear-gradient(145deg,#e9f0f7,#d7e4ee); }
.tutorial-page .data-card-media .scene-label { position:absolute; left:10px; top:9px; z-index:2; background:#10243bcc; }
.tutorial-page .dashboard-demo { display:flex; height:100%; min-height:94px; padding:11px 10px 7px; border:1px solid #c8d5e0; border-radius:5px; background:#f9fbfd; box-shadow:0 4px 12px #10243b12; }
.tutorial-page .dashboard-demo aside { display:grid; align-content:start; gap:5px; width:23%; color:#8294a6; font-size:6px; }
.tutorial-page .dashboard-demo aside span { color:#40566e; font-weight:700; }
.tutorial-page .dashboard-demo aside i { display:block; width:75%; height:4px; border-radius:3px; background:#dae4ec; }
.tutorial-page .dashboard-panel { position:relative; flex:1; padding-left:9px; color:#40566e; font-size:8px; }
.tutorial-page .chart-grid { position:absolute; inset:25px 0 13px 9px; display:grid; align-content:space-between; border-top:1px solid #dbe4ed; border-bottom:1px solid #dbe4ed; }
.tutorial-page .chart-grid span { border-top:1px dashed #e6edf3; }
.tutorial-page .chart-bars { position:absolute; inset:27px 5px 14px 14px; display:flex; align-items:flex-end; gap:2px; opacity:.35; }
.tutorial-page .chart-bars i { flex:1; height:var(--bar); border-radius:2px 2px 0 0; background:#8eb8d2; }
.tutorial-page .chart-line { position:absolute; inset:27px 5px 14px 14px; width:calc(100% - 19px); height:calc(100% - 41px); fill:none; stroke:#f47721; stroke-width:3; }
.tutorial-page .chart-line circle { fill:#f47721; }
.tutorial-page .chart-dates { position:absolute; left:14px; right:5px; bottom:0; display:flex; justify-content:space-between; color:#93a2b0; font-size:6px; }
.tutorial-page .ql-entry-cover { display:block; width:100%; height:124px; object-fit:cover; border-bottom:1px solid var(--article-line); background:#edf2f7; }
.tutorial-page .live-library { padding-top:8px; }
.tutorial-page .live-library-heading { display:flex; justify-content:space-between; align-items:baseline; gap:14px; margin-bottom:14px; }
.tutorial-page .live-library-heading h2 { margin:0; color:var(--article-ink); font-size:25px; }
.tutorial-page .data-status { margin:0; color:var(--article-muted); font-size:13px; }
.tutorial-page .ql-list { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; }
.tutorial-page .ql-entry { min-width:0; overflow:hidden; border:1px solid var(--article-line); border-radius:10px; background:#fff; }
.tutorial-page .ql-entry-hit { display:block; height:100%; color:inherit; text-decoration:none; }
.tutorial-page .ql-entry-body { position:relative; min-height:142px; padding:15px 17px 38px; }
.tutorial-page .ql-entry-top { display:flex; align-items:center; gap:10px; }
.tutorial-page .pill { padding:4px 8px; border-radius:4px; background:#fff1e7; color:#c65a16; font-size:11px; }
.tutorial-page .ql-entry h3 { margin:10px 34px 5px 0; color:var(--article-ink); font-size:18px; line-height:1.45; }
.tutorial-page .ql-entry-summary { display:-webkit-box; -webkit-box-orient:vertical; -webkit-line-clamp:2; overflow:hidden; margin:0; color:var(--article-muted); font-size:13px; line-height:1.7; }
.tutorial-page .ql-entry-link { position:absolute; right:17px; bottom:15px; color:var(--article-accent); font-size:12px; font-weight:700; }
.tutorial-page .article-pagination { display:flex; justify-content:center; align-items:center; gap:15px; margin-top:24px; }
.tutorial-page .article-pagination :is(button,a,[aria-disabled]) { min-width:86px; padding:9px 14px; border:1px solid #ccd8e5; border-radius:6px; background:#fff; color:var(--article-blue); cursor:pointer; }
.tutorial-page .article-pagination :is(button:disabled,[aria-disabled]) { cursor:not-allowed; opacity:.45; }
.tutorial-page .empty-state { padding:42px 18px; border:1px dashed var(--article-line); text-align:center; }
.tutorial-page .empty-state strong { color:var(--article-ink); font-size:20px; }
.tutorial-page .empty-state p { color:var(--article-muted); }

/* Detail skeleton retained for local and remote article content. */
.article-detail-page { background:#fff; color:var(--article-body); }
.article-detail-page .wrap { width:min(1200px,calc(100% - 44px)); margin-inline:auto; }
.article-detail-page .sec { padding:28px 0 60px; }
.article-detail-page .ad-hero { max-width:900px; margin:0 auto; padding:30px 0 22px; }
.article-detail-page .crumb { max-width:900px; margin:16px auto 0; color:var(--article-muted); font-size:13px; }
.article-detail-page .ad-tags { display:flex; gap:7px; margin-bottom:14px; }
.article-detail-page .ad-tags .chip { padding:4px 9px; border-radius:4px; background:#fff1e7; color:#c65a16; font-size:12px; }
#main.article-detail-page .ad-hero h1 { max-width:800px; margin:0; color:var(--article-ink); font-size:clamp(26px,3vw,40px); line-height:1.35; }
.article-detail-page .ad-meta { display:flex; flex-wrap:wrap; align-items:center; gap:9px; margin-top:15px; color:var(--article-muted); font-size:13px; }
.article-detail-page .ad-meta .dot { width:4px; height:4px; border-radius:50%; background:var(--article-accent); }
.article-detail-page .ad-layout { display:block; max-width:860px; margin:0 auto; }
.article-detail-page .ad-main { min-width:0; }
.article-detail-page .ad-card { padding:clamp(22px,4vw,42px); border:1px solid var(--article-line); border-radius:10px; background:#fff; box-shadow:0 12px 35px #10243b0b; }
.article-detail-page .ad-body { min-width:0; }
.article-detail-page .seo-tldr { margin:0 0 24px; padding:16px 18px; border-left:3px solid var(--article-orange); background:#fff6ef; color:#40536a; }
.article-detail-page .seo-toc { margin:0 0 28px; padding:14px 17px; border:1px solid var(--article-line); border-radius:7px; background:#f8fafc; }
.article-detail-page .seo-toc .t { margin:0 0 7px; color:var(--article-ink); font-weight:800; }
.article-detail-page .seo-toc ol { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:4px 22px; margin:0; padding-left:21px; }
.article-detail-page .seo-toc li { margin:0; font-size:13px; line-height:1.65; }
.article-detail-page .seo-table,.article-detail-page .seo-tablebox,.article-detail-page .table-scroll { max-width:100%; overflow-x:auto; margin:20px 0; }
.article-detail-page .seo-table table,.article-detail-page .seo-tablebox table,.article-detail-page .table-scroll table { min-width:620px; margin:0; }

@media (max-width:900px) {
  .tutorial-page .guide-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .tutorial-page .guide-feature { grid-column:span 2; grid-row:span 1; min-height:280px; }
  .tutorial-page .guide-wide { grid-column:span 2; }
  .tutorial-page .ql-list { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:600px) {
  .tutorial-page .wrap,.article-detail-page .wrap { width:calc(100% - 32px); }
  .tutorial-page .tutorial-toolbar { display:block; padding:12px; }
  .tutorial-page .tutorial-categories { justify-content:flex-start; flex-wrap:nowrap; overflow-x:auto; margin-top:10px; padding-bottom:2px; }
  .tutorial-page .tutorial-categories .chip { flex:none; min-width:0; padding-inline:8px; font-size:12px; white-space:nowrap; }
  .tutorial-page .guide-grid,.tutorial-page .ql-list { grid-template-columns:1fr; }
  .tutorial-page .guide-grid.is-filtered { grid-template-columns:1fr; }
  .tutorial-page .guide-feature,.tutorial-page .guide-wide { grid-column:auto; }
  .tutorial-page .guide-feature { min-height:270px; }
  .tutorial-page .link-demo { width:52%; right:12px; top:18px; transform:scale(.86) rotate(2deg); transform-origin:top right; }
  .tutorial-page .tutorial-notice { grid-template-columns:auto auto; }
  .tutorial-page .tutorial-notice p { grid-column:2; }
  .tutorial-page .ql-entry-cover { height:150px; }
  .article-detail-page .sec { padding-top:12px; }
  .article-detail-page .ad-hero { padding-top:20px; }
  .article-detail-page .ad-card { padding:20px 16px; }
  .article-detail-page .seo-toc ol { grid-template-columns:1fr; }
}

/* Wide desktop route scaling. Keep article detail pages on their existing layout. */
@media (min-width:1600px) {
  .tutorial-page .wrap {
    width:min(clamp(1280px,83.333333vw,2560px),calc(100% - clamp(64px,5vw,160px)));
  }
  .tutorial-page .tutorial-hero {
    min-height:clamp(430px,22vw,760px);
  }
  .tutorial-page .tutorial-hero-copy {
    padding:clamp(64px,4.166667vw,112px) 0 clamp(80px,5vw,128px);
  }
  .tutorial-page .tutorial-hero h1 {
    font-size:clamp(70px,4.166667vw,112px);
  }
  .tutorial-page .tutorial-hero p {
    margin-top:clamp(18px,1.25vw,32px);
    font-size:clamp(25px,1.666667vw,40px);
  }
  .tutorial-page .tutorial-library {
    padding-bottom:clamp(48px,3.333333vw,96px);
  }
  .tutorial-page .tutorial-toolbar {
    gap:clamp(18px,1.25vw,32px);
    margin-top:clamp(-42px,-1.666667vw,-26px);
    padding:clamp(15px,1.041667vw,25px);
    border-radius:clamp(12px,.625vw,16px);
  }
  .tutorial-page .search-field input {
    min-height:clamp(43px,2.708333vw,65px);
    padding:clamp(9px,.625vw,15px) clamp(40px,2.5vw,60px) clamp(9px,.625vw,15px) clamp(15px,.9375vw,22px);
    font-size:var(--portal-font,clamp(16px,.833333vw,22px));
  }
  .tutorial-page .search-field button { font-size:clamp(20px,1.25vw,30px); }
  .tutorial-page .tutorial-categories { gap:clamp(7px,.416667vw,12px); }
  .tutorial-page .tutorial-categories .chip {
    min-height:clamp(40px,2.5vw,60px);
    padding:clamp(8px,.625vw,15px) clamp(16px,1.041667vw,25px);
    font-size:var(--portal-small,clamp(13px,.677083vw,18px));
  }
  .tutorial-page .tutorial-filter-meta,
  .tutorial-page .tutorial-notice { font-size:var(--portal-small,clamp(13px,.677083vw,18px)); }
  .tutorial-page .guide-grid {
    gap:clamp(14px,1.25vw,32px);
    margin:clamp(20px,1.666667vw,40px) 0 clamp(34px,2.5vw,64px);
  }
  .tutorial-page .guide-card {
    min-height:clamp(146px,9vw,220px);
    border-radius:clamp(10px,.625vw,16px);
  }
  .tutorial-page .guide-card-index {
    padding:clamp(16px,1.041667vw,25px) clamp(11px,.729167vw,18px);
    font-size:clamp(13px,.729167vw,18px);
  }
  .tutorial-page .guide-card-copy {
    gap:clamp(12px,.833333vw,20px);
    padding:clamp(14px,.9375vw,22px) clamp(15px,1.041667vw,25px);
  }
  .tutorial-page .guide-card-copy h3 { font-size:clamp(17px,1.041667vw,25px); }
  .tutorial-page .guide-card-copy p { font-size:var(--portal-small,clamp(13px,.677083vw,18px)); }
  .tutorial-page .guide-feature { min-height:clamp(304px,18vw,520px); }
  .tutorial-page .guide-feature-copy { padding:clamp(24px,1.666667vw,40px); }
  .tutorial-page .guide-feature-copy h3 { font-size:clamp(25px,1.5625vw,38px); }
  .tutorial-page .guide-feature-copy p { font-size:clamp(14px,.833333vw,20px); }
  .tutorial-page .guide-card-media,
  .tutorial-page .guide-card-media > img { min-height:clamp(94px,7vw,180px); }
  .tutorial-page .guide-wide .guide-card-media { min-height:clamp(108px,8vw,205px); }
  .tutorial-page .guide-standard .guide-card-copy,
  .tutorial-page .guide-wide .guide-card-copy {
    min-height:clamp(76px,5vw,128px);
    padding:clamp(12px,.833333vw,20px) clamp(14px,.9375vw,23px);
  }
  .tutorial-page .guide-standard .guide-card-copy h3,
  .tutorial-page .guide-wide .guide-card-copy h3 { font-size:clamp(16px,1vw,24px); }
  .tutorial-page .ql-list { gap:clamp(14px,1.25vw,32px); }
  .tutorial-page .ql-entry { border-radius:clamp(10px,.625vw,16px); }
  .tutorial-page .ql-entry-cover { height:clamp(124px,9vw,230px); }
  .tutorial-page .ql-entry-body {
    min-height:clamp(142px,10vw,256px);
    padding:clamp(15px,1.041667vw,25px) clamp(17px,1.145833vw,28px) clamp(38px,2.5vw,64px);
  }
  .tutorial-page .ql-entry h3 { font-size:clamp(18px,1.145833vw,28px); }
  .tutorial-page .ql-entry-summary { font-size:var(--portal-small,clamp(13px,.677083vw,18px)); }
  .tutorial-page .ql-entry-link { font-size:var(--portal-small,clamp(13px,.677083vw,18px)); }
  .tutorial-page .live-library-heading h2 { font-size:clamp(25px,1.5625vw,38px); }
  .tutorial-page .data-status { font-size:var(--portal-small,clamp(13px,.677083vw,18px)); }
  .tutorial-page .article-pagination { gap:clamp(15px,1.041667vw,25px); margin-top:clamp(24px,1.666667vw,40px); }
  .tutorial-page .article-pagination :is(button,a,[aria-disabled]) { min-width:clamp(86px,5.416667vw,130px); padding:clamp(9px,.625vw,15px) clamp(14px,.9375vw,23px); font-size:var(--portal-small,clamp(13px,.677083vw,18px)); }
}

@media (min-width:1920px) {
  .tutorial-page .ql-list { grid-template-columns:repeat(4,minmax(0,1fr)); }
}

@media (min-width:2560px) {
  .tutorial-page .ql-list { grid-template-columns:repeat(5,minmax(0,1fr)); }
}

/* Keep the count and reset action alongside the library title. */
.tutorial-page .live-library {padding-top:24px}
.tutorial-page .live-library-heading {align-items:center}
.tutorial-page .live-library-heading h2 {display:flex;align-items:baseline;gap:8px;white-space:nowrap}
.tutorial-page .library-count {color:var(--article-muted);font-size:14px;font-weight:400}
.tutorial-page .library-reset {flex-shrink:0;padding:6px 0;border:0;background:none;color:var(--article-blue);font:inherit;font-size:13px;cursor:pointer;white-space:nowrap}
.tutorial-page .library-reset:hover {color:var(--article-accent,var(--accent))}
.tutorial-page .library-reset:focus-visible {outline:2px solid var(--accent);outline-offset:4px;border-radius:3px}

.article-detail-page .ad-meta .chip {padding:4px 9px;border-radius:4px;background:#fff1e7;color:#c65a16;font-size:12px;white-space:nowrap}