:root{--paper: #fcfcfc;--ink: #0f1115;--muted: #5a6170;--faint: #9aa0ac;--line: #e7e8eb;--surface: #f4f5f7;--accent: #3b5bfd;--accent-deep: #2742d8;--accent-soft: #eef1ff;--live: #0ba866;--code-bg: #0f1115;--code-ink: #e8eaef;--sans: "Inter", system-ui, -apple-system, sans-serif;--serif: "Newsreader", Georgia, serif;--mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;--r-sm: 8px;--r-md: 12px;--r-lg: 18px;--shadow: 0 1px 2px rgba(15, 17, 21, .05), 0 12px 40px -12px rgba(15, 17, 21, .18)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}::selection{background:var(--accent);color:#fff}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}a{color:inherit;text-decoration:none}.container{width:min(1080px,100% - 48px);margin-inline:auto}.container-wide{width:min(1180px,100% - 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#0f111514}.doc-chart{width:100%;height:210px;margin-bottom:20px}.mini-chart-btn{background:none;border:none;padding:0;width:100%;cursor:pointer}.mini-chart{width:100%;height:88px}.signup-wrap{max-width:480px;margin-inline:auto}.signup{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.signup-input{flex:1;min-width:220px;font:400 14px/1 var(--sans);color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:10px;padding:13px 16px;transition:border-color .15s,box-shadow .15s}.signup-input::placeholder{color:var(--faint)}.signup-input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.signup .btn:disabled{opacity:.6;cursor:default}.signup-msg{margin:10px 0 0;font:400 13px/1.4 var(--sans);color:#c2402a;text-align:center}.signup-done{display:flex;align-items:center;justify-content:center;gap:10px;margin:0;font-size:14.5px;color:var(--muted);background:#f0faf5;border:1px solid #cdebdc;border-radius:12px;padding:14px 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14px;max-width:22ch;text-wrap:balance}.section-sub{color:var(--muted);max-width:62ch;margin:0 0 48px;font-size:16.5px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:48px}.step{border-top:2px solid var(--ink);padding-top:20px}.step-n{font:500 12px/1 var(--mono);color:var(--accent-deep);letter-spacing:.08em}.step-title{font:600 21px/1.2 var(--sans);letter-spacing:-.015em;margin:10px 0 8px}.step-body{color:var(--muted);font-size:15px;margin:0}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.gallery-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:14px;display:flex;flex-direction:column;gap:12px;transition:border-color .15s,box-shadow .15s}.gallery-card:hover{border-color:var(--faint);box-shadow:0 4px 18px -6px #0f11151f}.gallery-stage{min-height:92px;display:flex;align-items:center;justify-content:center;width:100%}.gallery-name{font:500 11px/1 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2px}.ui-toggle{display:inline-flex;align-items:center;gap:10px;background:none;border:none;cursor:pointer;padding:4px}.toggle-thumb{width:36px;height:21px;border-radius:999px;background:var(--line);position:relative;transition:background .18s;flex-shrink:0}.toggle-thumb:after{content:"";position:absolute;top:2.5px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0f111540;transition:transform .18s}.ui-toggle.is-on .toggle-thumb{background:var(--live)}.ui-toggle.is-on .toggle-thumb:after{transform:translate(14px)}.toggle-label{font:500 13px/1 var(--sans);color:var(--muted)}.ui-slider-card{display:flex;flex-direction:column;gap:10px;width:100%;max-width:200px}.ui-status{display:inline-flex;align-items:center;gap:8px;font:500 12.5px/1 var(--mono);color:var(--ink);background:#f0faf5;border:1px solid #cdebdc;border-radius:999px;padding:8px 14px}.arch{display:grid;grid-template-columns:1fr 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var(--sans);letter-spacing:-.01em;margin:7px 0 5px}.example-desc{color:var(--muted);font-size:13.5px;margin:0}.tb{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px;display:flex;flex-direction:column;gap:8px;overflow:hidden;min-height:0}.tb-lines{display:flex;flex-direction:column;gap:5px}.tb-line{height:5px;border-radius:3px;background:var(--line)}.tb-title{height:9px;border-radius:4px;background:var(--ink)}.tb-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.tb-stat{border:1px solid var(--line);border-radius:6px;padding:7px;display:flex;flex-direction:column;gap:6px}.tb-stat-label{width:55%;height:4px;border-radius:2px;background:var(--line)}.tb-stat-bar{height:7px;border-radius:3px;background:var(--accent)}.tb-bars{flex:1;display:flex;align-items:flex-end;gap:5px;min-height:36px}.tb-bars span{flex:1;background:var(--accent);opacity:.85;border-radius:2px 2px 0 0}.tb-bars 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