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svg{color:var(--green);flex:none;margin-top:5px}.closing-section .primary-link{margin-top:18px}.share-note{border:1px solid var(--line);background:#fff;border-radius:8px;margin:28px 0;padding:20px}.share-note strong{color:var(--green-dark);margin-bottom:8px;display:block}.share-note p{margin:0;font-size:15px}.insight-box{border:1px solid var(--line);border-left:4px solid var(--green);background:#fff;border-radius:8px;margin:28px 0;padding:20px}.insight-box strong{color:var(--green-dark);margin-bottom:8px;display:block}.insight-box p{margin:0}.about-header{padding-bottom:24px}.about-hero,.about-content{width:min(880px,100% - 32px);margin:0 auto}.about-hero h1{letter-spacing:0;margin:0;font-size:clamp(42px,7vw,76px);line-height:.98}.about-hero p,.about-content p,.about-content li{color:var(--muted);font-size:18px;line-height:1.8}.about-content{gap:20px;padding:28px 0 88px;display:grid}.about-content>div{border:1px solid var(--line);border-left:6px solid var(--turquoise);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow-soft);padding:28px 32px;transition:transform .2s,box-shadow .2s}.about-content>div:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.about-content>div:first-child{border-left-color:var(--turquoise)}.about-content>div:nth-child(2){border-left-color:var(--violet)}.about-content>div:nth-child(3){border-left-color:var(--yellow)}.about-content>div:nth-child(4){border-left-color:var(--turquoise)}.about-content>div.about-actions{box-shadow:none;background:0 0;border:none;border-radius:0;padding:12px 0 0}.about-content>div.about-actions:hover{box-shadow:none;transform:none}.about-content h2{letter-spacing:-.01em;margin:0 0 12px;font-size:26px}.about-content>div:first-child h2{color:var(--turquoise-dark)}.about-content>div:nth-child(2) h2{color:var(--violet-dark)}.about-content>div:nth-child(3) h2{color:var(--yellow-dark)}.about-content ul{margin:0;padding-left:22px}.about-actions{flex-wrap:wrap;gap:12px;display:flex}.version-switcher-wrap{width:min(1120px,100% - 32px);margin:0 auto 32px}.version-switcher{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);box-shadow:var(--shadow-soft);align-items:center;gap:14px;padding:14px 20px;display:flex}.version-switcher-label{color:var(--muted);white-space:nowrap;font-size:13px;font-weight:700}.version-tabs{flex-wrap:wrap;gap:8px;display:flex}.version-tab{border:1px solid var(--line);background:var(--bg);color:var(--muted);border-radius:10px;align-items:center;gap:7px;padding:10px 18px;font-size:14px;font-weight:700;text-decoration:none;transition:background .15s,color .15s,border-color .15s;display:inline-flex}.version-tab:hover{background:var(--turquoise-soft);color:var(--turquoise-dark);border-color:var(--turquoise)}.version-tab--active{background:var(--ink);color:#fff;border-color:var(--ink)}.version-tab--active:hover{background:var(--turquoise-dark);border-color:var(--turquoise-dark);color:#fff}.article-layout--md{padding-bottom:96px}.article-layout-solo{width:min(760px,100% - 32px);margin:0 auto;padding-bottom:96px}.article-body--md{min-width:0}.toc-sub{opacity:.75;padding-left:14px;font-size:13px}.article-hero-img{width:min(1120px,100% - 32px);margin:28px auto 0}.article-hero-img img{border:1px solid var(--line);border-radius:var(--radius);background:#fff;width:100%;height:auto}.article-hero-img figcaption{text-align:center;color:var(--muted);margin-top:10px;font-size:14px}.markdown-body{--lead-done:0}.markdown-body>p:first-child{color:var(--ink);margin:0 0 28px;font-size:19px;font-weight:450;line-height:1.75}.markdown-body h1{letter-spacing:0;margin:0 0 16px;font-size:clamp(28px,4vw,44px);line-height:1.08}.markdown-body h2{border-top:1px solid var(--line);letter-spacing:0;margin:52px 0 16px;padding-top:52px;font-size:clamp(22px,3vw,34px);line-height:1.12}.markdown-body>h2:first-of-type,.markdown-body>hr+h2{border-top:none;margin-top:0;padding-top:0}.markdown-body h3{color:var(--ink);margin:32px 0 10px;font-size:19px;font-weight:800;line-height:1.3}.markdown-body h3:before{content:"— ";color:var(--green);font-weight:400}.markdown-body h4{color:var(--green-dark);text-transform:uppercase;letter-spacing:.07em;margin:20px 0 8px;font-size:13px;font-weight:850}.markdown-body p{color:var(--muted);margin:0 0 18px;font-size:17px;line-height:1.85}.markdown-body ul,.markdown-body ol{margin:0 0 20px;padding-left:22px}.markdown-body li{color:var(--muted);margin-bottom:8px;font-size:17px;line-height:1.75}.markdown-body li::marker{color:var(--green)}.markdown-body strong{color:var(--ink);font-weight:800}.markdown-body em{font-style:italic}.markdown-body a{color:var(--green-dark);text-decoration:underline;-webkit-text-decoration-color:var(--green);-webkit-text-decoration-color:var(--green);-webkit-text-decoration-color:var(--green);text-decoration-color:var(--green);text-underline-offset:3px}.markdown-body blockquote{border-left:4px solid var(--turquoise);background:var(--turquoise-soft);border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:28px 0;padding:20px 24px;font-size:17px;line-height:1.75}.markdown-body blockquote p{color:var(--ink);margin:0}.markdown-body code{font-family:var(--font-mono), ui-monospace, monospace;background:var(--soft-blue);color:var(--blue);border-radius:5px;padding:2px 6px;font-size:14px}.markdown-body pre{border-radius:var(--radius-sm);color:#f0eee8;background:#1a1a1a;border:1px solid #ffffff0a;margin:28px 0;padding:22px;font-size:13.5px;line-height:1.75;overflow-x:auto}.markdown-body pre code{color:inherit;font-size:inherit;background:0 0;padding:0}.markdown-body hr{border:none;border-top:1px solid var(--line);opacity:.5;margin:40px 0}.illustration-placeholder{border:2px dashed var(--yellow);border-radius:var(--radius-sm);background:var(--yellow-soft);align-items:flex-start;gap:16px;margin:28px 0;padding:22px;display:flex}.illustration-icon{flex-shrink:0;font-size:28px}.illustration-content strong{color:var(--yellow-dark);text-transform:uppercase;letter-spacing:.06em;margin-bottom:6px;font-size:13px;font-weight:800;display:block}.mermaid-rendered{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);text-align:center;margin:32px 0;padding:20px;overflow-x:auto}.mermaid-rendered svg{max-width:none;height:auto;display:inline-block}.mermaid-rendered,.mermaid-rendered .nodeLabel,.mermaid-rendered .edgeLabel,.mermaid-rendered .messageText,.mermaid-rendered foreignObject div,.mermaid-rendered foreignObject span,.mermaid-rendered foreignObject p{font-family:var(--font-inter), system-ui, sans-serif;letter-spacing:normal;font-size:13.5px;line-height:1.35}.mermaid-rendered foreignObject p{margin:0}.mermaid-error{border:1px dashed var(--violet);border-radius:var(--radius-sm);background:var(--violet-soft);color:var(--violet-dark);font-family:var(--font-mono), monospace;margin:24px 0;padding:16px;font-size:13px}.illustration-content p{color:var(--muted);margin:0;font-size:14px;line-height:1.6}@media (max-width:860px){.home-hero,.article-hero,.post-card,.article-layout{grid-template-columns:1fr}.home-hero{min-height:auto;padding-top:30px}.article-summary{max-width:none}.toc{border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));display:grid;position:static}.toc span{grid-column:1/-1}}@media (max-width:620px){.site-header,.article-nav{align-items:flex-start}.top-nav,.article-nav,.article-nav-links{flex-direction:column;align-items:flex-end;gap:10px}.home-hero-copy h1,.article-hero h1{font-size:43px}.home-hero-copy p,.subtitle{font-size:17px}.post-content{padding:24px}.post-image{min-height:260px}.definition-grid,.toc{grid-template-columns:1fr}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}