:root{--qsd-body-text: #41504A;--qsd-emerald-text: #1F4A38;--qsd-muted: #5A655E;--qsd-faint: #9AA39D;--qsd-label: #A4ADA6;--qsd-nav-active: #ECF6F0;--qsd-seg-bg: #F1F1EA;--qsd-panel-bg: #F7F8F4;--qsd-note-bg: #F3F8F4;--qsd-note-border: #DCEDE2;--qsd-code-bg: #0A0F0D}.qsd-shell{font-family:var(--qs-font-body);color:var(--qs-ink-text-2);background:var(--qs-off-white);min-height:100vh;display:flex;flex-direction:column}.qsd-shell ::selection{background:#b9f4d6;color:#0b1310}.qsd-topbar{height:60px;flex:0 0 auto;border-bottom:1px solid var(--qs-card-border);background:var(--qs-off-white);display:flex;align-items:center;justify-content:space-between;padding:0 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var(--qs-card-border);border-radius:16px;padding:22px;background:var(--qs-off-white);text-decoration:none;transition:border-color .12s,transform .12s,box-shadow .12s}.qsd-card:hover{border-color:var(--qs-emerald-deep);transform:translateY(-2px);box-shadow:0 8px 24px -16px #1fa97166}.qsd-card-badge{align-self:flex-start;font-family:var(--qs-font-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--qs-emerald-deep);background:var(--qsd-note-bg);border:1px solid var(--qsd-note-border);padding:3px 9px;border-radius:100px}.qsd-card-title{font-family:var(--qs-font-display);font-weight:600;font-size:19px;letter-spacing:-.01em;color:var(--qs-ink-text);margin:4px 0 0}.qsd-card-desc{font-size:14px;line-height:1.55;color:var(--qsd-muted);margin:0;flex:1 1 auto}.qsd-card-cta{font-family:var(--qs-font-mono);font-size:12.5px;color:var(--qs-emerald-deep);margin-top:6px}.qsd-banner{display:flex;align-items:center;gap:16px;border:1px solid var(--qs-card-border);border-radius:14px;padding:18px 20px;text-decoration:none;margin:0 0 24px;background:#fff;transition:border-color .12s}.qsd-banner:hover{border-color:var(--qs-emerald-deep)}.qsd-banner--dark{background:var(--qs-ink);border-color:transparent}.qsd-banner-icon{width:40px;height:40px;flex:0 0 auto;border-radius:10px;background:var(--qsd-note-bg);color:var(--qs-emerald-deep);display:grid;place-items:center}.qsd-banner--dark .qsd-banner-icon{background:#3ce09e24;color:var(--qs-emerald)}.qsd-banner-body{flex:1 1 auto}.qsd-banner-title{font-family:var(--qs-font-display);font-weight:600;font-size:16px;color:var(--qs-ink-text);margin:0 0 3px}.qsd-banner--dark .qsd-banner-title{color:var(--qs-on-dark)}.qsd-banner-desc{font-size:13.5px;line-height:1.5;color:var(--qsd-muted);margin:0}.qsd-banner--dark .qsd-banner-desc{color:var(--qs-muted-faint)}.qsd-banner-cta{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;font-family:var(--qs-font-mono);font-size:13px;font-weight:600;color:var(--qs-ink-deep);background:var(--qs-emerald);padding:9px 15px;border-radius:9px}@media(max-width:760px){.qsd-cards,.qsd-cards--3{grid-template-columns:1fr}.qsd-main-inner--wide{padding:28px 22px 72px}}.qsd-nav{border-right:1px solid var(--qs-card-border);padding:26px 16px;overflow-y:auto;background:var(--qs-off-white)}.qsd-nav-group{margin-bottom:26px}.qsd-nav-title{font-family:var(--qs-font-mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--qsd-label);padding:0 10px;margin-bottom:8px}.qsd-nav-item{display:flex;align-items:center;gap:9px;font-size:14px;padding:7px 10px;border-radius:8px;color:var(--qsd-muted);text-decoration:none;font-weight:400}.qsd-nav-item:hover{background:#f4f4ee}.qsd-nav-item .qsd-nav-dot{width:5px;height:5px;border-radius:50%;background:transparent;flex:0 0 auto}.qsd-nav-item--active{color:var(--qs-ink-text);background:var(--qsd-nav-active);font-weight:600}.qsd-nav-item--active .qsd-nav-dot{background:var(--qs-emerald-deep)}.qsd-main{overflow-y:auto;background:#fff}.qsd-main-inner{max-width:var(--qs-prose-w);margin:0 auto;padding:40px 56px 96px}.qsd-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}.qsd-breadcrumb{font-family:var(--qs-font-mono);font-size:12.5px;color:var(--qsd-faint)}.qsd-breadcrumb a{color:inherit;text-decoration:none}.qsd-breadcrumb a:hover{color:var(--qsd-body-text)}.qsd-breadcrumb .sep{color:#d0d6ce}.qsd-breadcrumb .current{color:var(--qsd-body-text)}.qsd-toolbar-actions{display:flex;align-items:center;gap:8px}.qsd-seg{display:flex;background:var(--qsd-seg-bg);border-radius:9px;padding:3px}.qsd-seg-btn{font-family:var(--qs-font-mono);font-size:12px;padding:5px 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#0e151238;display:flex;flex-direction:column}.qsd-aimenu[hidden]{display:none}.qsd-aimenu-item{display:flex;align-items:center;justify-content:space-between;gap:12px;font-family:var(--qs-font-mono);font-size:12.5px;color:var(--qsd-body-text);text-decoration:none;text-align:left;padding:8px 10px;border-radius:7px;border:0;background:transparent;cursor:pointer;width:100%;transition:background .1s,color .1s}.qsd-aimenu-item:hover{background:var(--qsd-note-bg);color:var(--qs-ink-text)}.qsd-aimenu-ext{color:var(--qs-emerald-deep)}.qsd-h1{font-family:var(--qs-font-display);font-weight:600;letter-spacing:-.025em;font-size:40px;line-height:1.05;margin:0 0 14px;color:var(--qs-ink-text)}.qsd-desc{font-size:18px;line-height:1.6;color:var(--qsd-body-text);margin:0 0 28px}.qsd-prose{font-size:16px;line-height:1.65;color:var(--qsd-body-text)}.qsd-prose>:first-child{margin-top:0}.qsd-prose h2{font-family:var(--qs-font-display);font-weight:600;font-size:24px;letter-spacing:-.02em;margin:34px 0 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var(--qs-emerald-deep);background:var(--qsd-note-bg);margin:0 0 20px;padding:12px 16px;border-radius:0 11px 11px 0;color:var(--qsd-emerald-text)}.qsd-prose blockquote p:last-child{margin:0}.qsd-prose table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:14px}.qsd-prose th,.qsd-prose td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--qs-card-border)}.qsd-prose th{font-family:var(--qs-font-mono);font-size:12px;color:var(--qsd-label);text-transform:uppercase;letter-spacing:.05em}.qsd-diagram{margin:0 0 34px}.qsd-mental{display:flex;align-items:flex-start;gap:10px;background:var(--qsd-note-bg);border:1px solid var(--qsd-note-border);border-radius:11px;padding:13px 16px;margin:0 0 28px}.qsd-mental-icon{color:var(--qs-emerald-deep);font-weight:700;line-height:1.5}.qsd-mental-text{font-size:14px;color:var(--qsd-emerald-text);line-height:1.55}.qsd-mental-text strong{font-weight:600}.qsd-quicktake{background:var(--qsd-note-bg);border:1px solid 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6px}.qsd-mistake-why{font-size:14px;color:var(--qsd-muted);line-height:1.55;margin:0}.qsd-related{margin:36px 0 10px}.qsd-related-title{font-family:var(--qs-font-mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--qsd-label);margin:0 0 14px}.qsd-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.qsd-related-card{border:1px solid var(--qs-card-border);border-radius:12px;padding:16px;text-decoration:none;transition:border-color .12s,transform .12s;display:block}.qsd-related-card:hover{border-color:var(--qs-emerald-deep);transform:translateY(-1px)}.qsd-related-card-title{font-family:var(--qs-font-display);font-weight:600;font-size:15px;color:var(--qs-ink-text-2);margin:0 0 5px}.qsd-related-card-desc{font-size:13px;color:var(--qsd-muted);line-height:1.5;margin:0}.qsd-mdview-label{display:flex;align-items:center;gap:9px;font-family:var(--qs-font-mono);font-size:12px;color:var(--qs-on-dark-faint);margin:0 0 14px}.qsd-mdview-label .dot{color:var(--qs-emerald-deep)}.qsd-mdview-label .file{color:var(--qs-emerald-deep);text-decoration:none}.qsd-mdview-label .file:hover{text-decoration:underline}.qsd-mdview-pre{margin:0;background:var(--qsd-code-bg);color:var(--qs-on-dark-2);border-radius:12px;padding:22px;overflow-x:auto;font-family:var(--qs-font-mono);font-size:13px;line-height:1.85;white-space:pre-wrap;min-height:300px}.qsd-panel{border-left:1px solid var(--qs-card-border);background:var(--qsd-panel-bg);overflow-y:auto;padding:26px 22px}.qsd-panel-eyebrow{font-family:var(--qs-font-mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--qsd-label);margin:0 0 14px}.qsd-tryit-card{background:#fff;border:1px solid var(--qs-card-border);border-radius:13px;overflow:hidden;margin-bottom:18px}.qsd-tryit-head{display:flex;align-items:center;gap:8px;padding:11px 14px;border-bottom:1px solid #EFEFE7}.qsd-tryit-method{font-family:var(--qs-font-mono);font-size:11px;font-weight:600;color:#fff;background:var(--qs-emerald-deep);padding:3px 8px;border-radius:5px}.qsd-tryit-path{font-family:var(--qs-font-mono);font-size:12px;color:var(--qsd-body-text)}.qsd-tryit-body{padding:14px}.qsd-tryit-field{font-family:var(--qs-font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--qsd-label);margin-bottom:8px}.qsd-tryit-range{width:100%;accent-color:var(--qs-emerald-deep);margin-bottom:6px}.qsd-tryit-readout{display:flex;justify-content:space-between;align-items:baseline}.qsd-tryit-amount{font-family:var(--qs-font-mono);font-size:22px;font-weight:600;color:var(--qs-ink-text);font-variant-numeric:tabular-nums}.qsd-tryit-after{font-size:12px;color:var(--qsd-faint)}.qsd-tryit-after b{font-family:var(--qs-font-mono);font-weight:400;color:var(--qsd-body-text)}.qsd-tryit-send{display:block;width:calc(100% - 28px);margin:0 14px 14px;text-align:center;font-family:var(--qs-font-mono);font-size:13px;font-weight:600;color:var(--qs-ink-deep);background:var(--qs-emerald);padding:10px;border-radius:9px;cursor:pointer;border:0;transition:filter .12s}.qsd-tryit-send:hover{filter:brightness(1.04)}.qsd-resp-eyebrow{font-family:var(--qs-font-mono);font-size:10.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--qsd-label);margin:0 0 10px}.qsd-resp-pre{margin:0;background:var(--qsd-code-bg);color:var(--qs-on-dark-2);border-radius:12px;padding:16px;overflow-x:auto;font-family:var(--qs-font-mono);font-size:12px;line-height:1.7;min-height:150px}.qsd-resp-pre .k{color:#7fe3b4}.qsd-resp-pre .v{color:var(--qs-amber-bright)}.qsd-resp-pre .c{color:#5e6b64}.qsd-demo-note{font-size:11px;color:var(--qsd-faint);margin:10px 2px 0;line-height:1.5}.qsd-feed{margin-top:18px;border:1px solid #E2EDE6;background:#f1f8f3;border-radius:12px;padding:14px}.qsd-feed-title{font-size:13px;font-weight:600;color:var(--qsd-emerald-text);margin:0 0 5px}.qsd-feed-desc{font-size:12.5px;color:var(--qsd-muted);line-height:1.55;margin:0 0 10px}.qsd-feed-chip{display:flex;align-items:center;gap:8px;background:var(--qsd-code-bg);border-radius:8px;padding:9px 11px;font-family:var(--qs-font-mono);font-size:11.5px;color:var(--qs-on-dark-2);text-decoration:none;transition:outline-color .12s;outline:1px solid transparent}.qsd-feed-chip:hover{outline-color:#3ce09e66}.qsd-feed-chip .at{color:var(--qs-emerald);flex:0 0 auto}.qsd-feed-chip .url{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1 auto}.qsd-feed-chip .ext{color:var(--qs-emerald);flex:0 0 auto}@media(max-width:1100px){.qsd-grid{grid-template-columns:220px 1fr}.qsd-panel{display:none}}@media(max-width:760px){.qsd-grid{grid-template-columns:1fr}.qsd-nav{display:none}.qsd-main-inner{padding:28px 22px 72px}.qsd-search{display:none}}