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var(--line);background:var(--surface-muted)}.model-strip-inner{display:flex;align-items:center;gap:32px;min-height:92px;padding-block:18px}.model-strip-label{flex-shrink:0;white-space:nowrap;color:var(--muted);font-size:14px;font-weight:600}.model-strip ul{display:flex;flex:1;justify-content:space-between;gap:24px;list-style:none;flex-wrap:wrap}.model-strip li{display:grid;gap:2px}.model-strip strong{color:var(--ink);font-size:16px}.model-strip li span{color:var(--faint);font-size:13px}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.feature-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.feature{display:grid;align-content:start;gap:10px;padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}.feature:hover{border-color:#174d404d;box-shadow:var(--shadow);transform:translateY(-2px)}.feature-icon{display:grid;place-items:center;width:44px;height:44px;margin-bottom:6px;border-radius:12px;background:var(--brand-tint);color:var(--brand);box-shadow:inset 0 0 0 1px #174d4014}.feature h3{font-size:18px}.feature p{color:var(--muted);font-size:15px;line-height:1.75}.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;list-style:none;counter-reset:none}.steps-3{grid-template-columns:repeat(3,minmax(0,1fr))}.steps li{position:relative;display:grid;align-content:start;gap:10px;padding:26px 24px 28px;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--line)}.steps-index{color:var(--gold);font-family:var(--font-mono);font-size:13px;font-weight:700;letter-spacing:.08em}.steps h3{font-size:18px}.steps p{color:var(--muted);font-size:15px}.split{display:grid;grid-template-columns:minmax(0,1fr) 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span{display:block;margin-bottom:2px;color:var(--faint);font-size:12.5px;font-weight:500}.download-card-side{display:grid;align-content:start;gap:22px;padding:clamp(28px,4vw,48px)}.download-card-side h3{font-size:18px}.download-details{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:start}.download-details h2{margin-bottom:18px;font-size:22px}.download-details .kv dd.mono{font-size:13px}.download-details .faq details>.code-block{margin-bottom:10px}.examples{padding-bottom:clamp(56px,7vw,96px)}.example-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}.example-tabs button{display:inline-flex;align-items:center;gap:10px;min-height:46px;padding:0 20px 0 14px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font-size:15px;font-weight:600;transition:all .15s var(--ease)}.example-tabs button span{color:var(--faint);font-family:var(--font-mono);font-size:12px}.example-tabs 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var(--line);border-radius:var(--radius-lg);background:var(--surface-muted);box-shadow:var(--shadow-sm);font-size:14px;color:var(--text);min-height:320px;align-content:start}.doc-preview-name{display:inline-flex;align-items:center;gap:6px;justify-self:start;padding:4px 10px;border-radius:6px;background:var(--paper-deep);color:var(--muted);font-family:var(--font-mono);font-size:12px}.doc-preview h3{font-size:19px;margin-top:4px}.doc-preview ol{display:grid;gap:10px;list-style:none}.doc-preview ol li{display:grid;gap:2px;padding:10px 12px;border-left:3px solid var(--brand-soft);background:var(--surface);border-radius:0 8px 8px 0}.doc-preview ol strong{color:var(--ink);font-size:13px}.doc-preview-note{display:flex;align-items:center;gap:6px;color:var(--warn);font-size:13px}.doc-preview-paper{background:var(--surface)}.doc-preview-paper h3{text-align:center;font-size:20px}.doc-preview-sub{text-align:center;color:var(--faint);font-size:13px;margin-top:-6px}.doc-preview-paper 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var(--line);border-radius:8px;background:var(--surface)}.sheet-chart-grid{stroke:var(--line);stroke-width:1;fill:none}.sheet-chart-line{stroke:var(--brand);stroke-width:2.5;fill:none;stroke-linejoin:round}.sheet-chart circle{fill:var(--surface);stroke:var(--brand);stroke-width:2.5}.role-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.role-card{display:grid;align-content:start;gap:8px;padding:30px 28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface)}.role-card h2{font-size:22px}.role-who{margin-bottom:14px;color:var(--muted);font-size:14px}.role-card .check-list{gap:10px;font-size:15px}.timeline .section-heading{margin-bottom:40px}.timeline-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;list-style:none;border-top:2px solid var(--brand)}.timeline-list li{position:relative;display:grid;gap:10px;align-content:start;padding:28px 28px 0 0}.timeline-list li:before{content:"";position:absolute;top:-7px;left:0;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--brand)}.timeline-list span{color:var(--gold);font-size:13px;font-weight:700;letter-spacing:.1em}.timeline-list h3{font-size:20px}.timeline-list p{color:var(--muted);line-height:1.8}.docs{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start;padding-bottom:clamp(64px,8vw,112px)}.docs-sidebar{position:sticky;top:calc(var(--header-h) + 24px);display:grid;gap:18px}.docs-search{display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--muted);transition:border-color .15s,box-shadow .15s}.docs-search:focus-within{border-color:var(--brand);box-shadow:var(--ring)}.docs-search input{flex:1;min-width:0;height:42px;border:0;background:transparent;outline:none;font-size:14.5px;color:var(--ink)}.docs-sidebar 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