:root{--color-sidebar-bg:#111827;--color-sidebar-text:#d1d5db;--color-sidebar-text-muted:#6b7280;--color-sidebar-hover:#1f2937;--color-sidebar-active-bg:#1f2937;--color-sidebar-active-text:#fff;--color-sidebar-border:#1f2937;--color-bg:#fff;--color-bg-card:#fff;--color-text:#111827;--color-text-muted:#6b7280;--color-text-light:#9ca3af;--color-border:#e5e7eb;--color-border-light:#f3f4f6;--color-accent:#16a34a;--color-accent-hover:#15803d;--color-accent-light:#dcfce7;--color-link:#16a34a;--color-code-bg:#0d1117;--color-code-header-bg:#010409;--color-code-border:#30363d;--color-inline-code-bg:#f3f4f6;--color-inline-code-text:#dc2626;--color-callout-info-bg:#eff6ff;--color-callout-info-border:#2563eb;--color-callout-info-text:#1e40af;--color-callout-warning-bg:#fffbeb;--color-callout-warning-border:#d97706;--color-callout-warning-text:#92400e;--color-callout-danger-bg:#fef2f2;--color-callout-danger-border:#dc2626;--color-callout-danger-text:#991b1b;--color-callout-tip-bg:#f0fdf4;--color-callout-tip-border:#16a34a;--color-callout-tip-text:#14532d;--sidebar-width:260px;--toc-width:220px;--content-max-width:740px;--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-mono:"JetBrains Mono","Fira Code",Consolas,"Courier New",monospace;--line-height-body:1.75;--line-height-heading:1.25}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);line-height:var(--line-height-body)}a{color:var(--color-link);text-decoration:none}a:hover{text-decoration:underline}.layout,.sidebar{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--color-sidebar-bg);color:var(--color-sidebar-text);position:fixed;top:0;left:0;overflow-y:auto;z-index:40;flex-direction:column;transition:transform .2s ease}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 20px 16px;border-bottom:1px solid var(--color-sidebar-border)}.sidebar-logo,.sidebar-logo:hover{text-decoration:none}.sidebar-logo-mark{width:32px;height:32px;background:var(--color-accent);border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-logo-title{font-size:14px;font-weight:600;color:#fff;line-height:1.2;display:block}.sidebar-logo-subtitle{font-size:11px;color:var(--color-sidebar-text-muted);line-height:1.2;display:block}.sidebar-nav{padding:16px 0 24px;flex:1 1}.sidebar-section{margin-bottom:8px}.sidebar-section-title{padding:8px 20px 4px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-sidebar-text-muted)}.sidebar-link{display:flex;align-items:center;padding:6px 20px;font-size:13.5px;color:var(--color-sidebar-text);text-decoration:none;transition:background .1s,color .1s;position:relative}.sidebar-link:hover{background:var(--color-sidebar-hover);color:#fff;text-decoration:none}.sidebar-link.active{background:var(--color-sidebar-active-bg);color:var(--color-sidebar-active-text);font-weight:500}.sidebar-link.active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--color-accent);border-radius:0 2px 2px 0}.sidebar-badge{margin-left:auto;font-size:10px;font-weight:600;padding:2px 6px;border-radius:999px;background:var(--color-accent);color:#fff;line-height:1.4}.sidebar-toggle{display:none;position:fixed;top:12px;left:12px;z-index:50;background:var(--color-sidebar-bg);color:#fff;border:none;border-radius:6px;padding:8px 10px;cursor:pointer;font-size:18px}.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:35}.search-box{margin:0 16px 16px}.search-input{width:100%;padding:8px 12px;background:hsla(0,0%,100%,.08);border:1px solid var(--color-sidebar-border);border-radius:6px;color:var(--color-sidebar-text);font-size:13px;font-family:var(--font-sans);outline:none;transition:border-color .15s}.search-input::placeholder{color:var(--color-sidebar-text-muted)}.search-input:focus{border-color:var(--color-accent);background:hsla(0,0%,100%,.12)}.main-wrapper{margin-left:var(--sidebar-width);flex:1 1;display:flex;justify-content:center;min-height:100vh}.content-with-toc{display:flex;width:100%;max-width:calc(var(--content-max-width) + var(--toc-width) + 80px);margin:0 auto;padding:0 40px}.main-content{flex:1 1;min-width:0;padding:48px 40px 80px 0;max-width:var(--content-max-width);background:var(--color-bg-card)}.toc-wrapper{width:var(--toc-width);flex-shrink:0;padding-top:52px}.toc{position:-webkit-sticky;position:sticky;top:24px;padding-left:24px;border-left:1px solid var(--color-border)}.toc-title{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--color-text-muted);margin-bottom:10px}.toc-list{list-style:none;display:flex;flex-direction:column;gap:4px}.toc-item a{font-size:13px;color:var(--color-text-muted);text-decoration:none;display:block;padding:2px 0;transition:color .1s;line-height:1.4}.toc-item a.active,.toc-item a:hover{color:var(--color-link);text-decoration:none}.toc-item.depth-3{padding-left:12px}.toc-item.depth-4{padding-left:24px}.breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;margin-bottom:24px;flex-wrap:wrap}.breadcrumb,.breadcrumb a{color:var(--color-text-muted)}.breadcrumb a{text-decoration:none}.breadcrumb a:hover{color:var(--color-link)}.breadcrumb-separator{color:var(--color-border);font-size:16px}.article-header{margin-bottom:40px;padding-bottom:28px;border-bottom:1px solid var(--color-border)}.article-title{font-size:32px;font-weight:700;letter-spacing:-.02em;line-height:var(--line-height-heading);color:var(--color-text);margin-bottom:12px}.article-description{font-size:17px;color:#475569;line-height:1.65;max-width:600px}.prose h1,.prose h2,.prose h3,.prose h4,.prose h5{font-weight:700;line-height:var(--line-height-heading);color:var(--color-text);letter-spacing:-.01em;scroll-margin-top:80px}.prose h1{font-size:28px;margin:0 0 16px}.prose h2{font-size:22px;margin:44px 0 14px;padding-top:24px;border-top:2px solid var(--color-border)}.prose h3{font-size:17px;margin:28px 0 10px;color:#1e293b}.prose h4{font-size:15px;margin:20px 0 8px;color:#334155}.prose h2:first-child{margin-top:0;border-top:none;padding-top:0}.prose p{margin:0 0 18px;font-size:15.5px;color:#1e293b;line-height:var(--line-height-body)}.prose ol,.prose ul{margin:0 0 18px 22px}.prose li{font-size:15.5px;margin-bottom:7px;line-height:var(--line-height-body);color:#1e293b}.prose strong{font-weight:600;color:#111827}.prose em{font-style:italic}.prose code:not(pre code){font-family:var(--font-mono);font-size:13px;background:#fef2f2;color:#b91c1c;padding:2px 6px;border-radius:4px;border:1px solid #fecaca}.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:28px 0;border-radius:8px;overflow:hidden;border:1px solid var(--color-border);box-shadow:0 1px 3px rgba(0,0,0,.06)}.prose thead tr{background:#1e293b}.prose th{text-align:left;padding:11px 16px;font-size:11.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:#cbd5e1;border-bottom:1px solid #334155}.prose td{padding:11px 16px;border-bottom:1px solid var(--color-border);color:#1e293b;vertical-align:top;line-height:1.6}.prose tr:last-child td{border-bottom:none}.prose tr:nth-child(2n) td{background:#f8fafc}.prose tr:hover td{background:#f1f5f9;transition:background .1s}.prose blockquote{border-left:4px solid var(--color-accent);padding:12px 20px;margin:24px 0;background:var(--color-accent-light);border-radius:0 6px 6px 0}.prose blockquote p{color:var(--color-accent-hover);margin:0}.prose hr{border:none;border-top:2px solid var(--color-border);margin:40px 0}.code-block{margin:20px 0;border-radius:8px;overflow:hidden;border:1px solid var(--color-code-border);background:var(--color-code-bg)}.code-block-header{display:flex;align-items:center;justify-content:space-between;padding:8px 16px;background:var(--color-code-header-bg);border-bottom:1px solid var(--color-code-border)}.code-block-language{font-family:var(--font-mono);font-size:11px;color:#8b949e;text-transform:uppercase;letter-spacing:.06em;font-weight:600}.code-block-copy{background:none;border:1px solid #30363d;color:#8b949e;font-size:11px;padding:3px 10px;border-radius:5px;cursor:pointer;font-family:var(--font-sans);transition:all .15s;display:flex;align-items:center;gap:5px}.code-block-copy:hover{background:#161b22;color:#e6edf3;border-color:#6e7681}.code-block-copy.copied{color:#3fb950;border-color:#3fb950}.code-block-inner{overflow-x:auto}.code-block-inner pre{padding-top:14px!important;padding-bottom:14px!important}.code-line{transition:background .08s}.code-line:hover{background:hsla(0,0%,100%,.04)}.callout{display:flex;gap:14px;padding:14px 18px;border-radius:8px;margin:20px 0;border-left:4px solid;font-size:14.5px;line-height:1.65}.callout-icon{font-size:18px;flex-shrink:0;margin-top:1px}.callout-content{flex:1 1}.callout-content p{margin:0}.callout-info{background:var(--color-callout-info-bg);border-color:var(--color-callout-info-border);color:var(--color-callout-info-text)}.callout-warning{background:var(--color-callout-warning-bg);border-color:var(--color-callout-warning-border);color:var(--color-callout-warning-text)}.callout-danger{background:var(--color-callout-danger-bg);border-color:var(--color-callout-danger-border);color:var(--color-callout-danger-text)}.callout-tip{background:var(--color-callout-tip-bg);border-color:var(--color-callout-tip-border);color:var(--color-callout-tip-text)}.tabs-wrapper{margin:20px 0}.tabs-list{display:flex;border-bottom:1px solid var(--color-border);overflow-x:auto}.tab-trigger{padding:8px 16px;font-size:13px;font-weight:500;color:var(--color-text-muted);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;white-space:nowrap;transition:all .15s;margin-bottom:-1px}.tab-trigger:hover{color:var(--color-text)}.tab-trigger.active{color:var(--color-accent);border-bottom-color:var(--color-accent)}.tab-content{display:none}.tab-content.active{display:block}.param-table{width:100%;border-collapse:collapse;font-size:13.5px;margin:20px 0;border:1px solid var(--color-border);border-radius:8px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.06)}.param-table thead tr{background:#1e293b}.param-table th{padding:11px 14px;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#cbd5e1;border-bottom:1px solid #334155;text-align:left}.param-table td{padding:11px 14px;border-bottom:1px solid var(--color-border);vertical-align:top;line-height:1.6;color:#1e293b}.param-table tr:last-child td{border-bottom:none}.param-table tr:nth-child(2n) td{background:#f8fafc}.param-table tr:hover td{background:#f1f5f9;transition:background .1s}.param-table code{font-family:var(--font-mono);font-size:12px;background:#fef2f2;padding:2px 6px;border-radius:3px;color:#b91c1c;border:1px solid #fecaca}@media (max-width:1024px){.toc-wrapper{display:none}.content-with-toc{max-width:100%}.main-content{padding-right:0}}@media (max-width:768px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.sidebar-overlay.open{display:block}.sidebar-toggle{display:flex}.main-wrapper{margin-left:0}.content-with-toc{padding:0 20px}.main-content{padding:60px 0}.article-title{font-size:24px}}.sidebar::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb{background:var(--color-sidebar-border);border-radius:2px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}