:root{--bg: #ffffff;--fg: #1a1a1a;--muted: #6b7280;--border: #e5e7eb;--accent: #2563eb;--code-bg: #f4f5f7;--radius: 8px;--content-max: 880px;--sidebar-w: 240px}@media(prefers-color-scheme:dark){:root{--bg: #0f1115;--fg: #e6e6e6;--muted: #9ca3af;--border: #262b33;--accent: #60a5fa;--code-bg: #161a21}}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.65}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.site-header{border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:10}.site-header-inner{max-width:calc(var(--content-max) + var(--sidebar-w));margin:0 auto;padding:.85rem 1.25rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}.brand{font-weight:700;color:var(--fg);font-size:1.05rem}.brand:hover{text-decoration:none;color:var(--accent)}.site-nav{display:flex;gap:.4rem;flex-wrap:wrap}.site-nav a{color:var(--muted);padding:.3rem .65rem;border-radius:999px;font-size:.9rem;transition:color .15s}.site-nav a:hover{color:var(--accent);background:transparent;text-decoration:none}.site-nav a[aria-current=page]{color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);font-weight:600}.layout{max-width:calc(var(--content-max) + var(--sidebar-w));margin:0 auto;display:flex;gap:2rem;padding:0 1.25rem;align-items:flex-start}.sidebar{width:var(--sidebar-w);flex-shrink:0;position:sticky;top:4.5rem;padding:1.75rem 0 2.5rem;font-size:.92rem}.sidebar-section{margin-bottom:1.4rem}.sidebar-section-title{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 .45rem;padding:0 .65rem}.sidebar-link{display:block;padding:.32rem .65rem;border-radius:6px;color:var(--fg);border-left:2px solid transparent;transition:color .15s}.sidebar-link:hover{color:var(--accent);background:transparent;text-decoration:none}.sidebar-link[aria-current=page]{color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent);border-left-color:var(--accent);font-weight:600}.content{flex:1 1 auto;min-width:0;max-width:var(--content-max);padding:1.5rem 0 4rem}.breadcrumbs{font-size:.85rem;color:var(--muted);margin-bottom:1.25rem}.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.35rem;padding:0;margin:0}.breadcrumbs li+li:before{content:"/";margin-right:.35rem;color:var(--border)}.breadcrumbs a{color:var(--muted)}.breadcrumbs a:hover{color:var(--accent);text-decoration:none}.breadcrumbs [aria-current=page]{color:var(--fg)}.content h1{font-size:1.9rem;line-height:1.3;margin:0 0 1rem}.content h2{font-size:1.35rem;margin-top:2.2rem;border-bottom:1px solid var(--border);padding-bottom:.3rem}.content h3{font-size:1.1rem;margin-top:1.6rem}.content p{margin:.8rem 0}.content ul,.content ol{padding-left:1.4rem}.content li{margin:.3rem 0}.content code{background:var(--code-bg);padding:.15rem .4rem;border-radius:5px;font-family:ui-monospace,SF Mono,Menlo,Consolas,Liberation Mono,monospace;font-size:.88em}.content pre{background:var(--code-bg);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.1rem;overflow-x:auto;line-height:1.5}.content pre code{background:transparent;padding:0;font-size:.85rem}.content blockquote{margin:1rem 0;padding:.1rem 1rem;border-left:3px solid var(--accent);color:var(--muted);background:var(--code-bg);border-radius:0 var(--radius) var(--radius) 0}.content table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.92rem}.content th,.content td{border:1px solid var(--border);padding:.5rem .75rem;text-align:left}.content th{background:var(--code-bg);font-weight:600}.content .mermaid-rendered{margin:1.25rem 0;text-align:center;overflow-x:auto}.content .mermaid-rendered svg{max-width:100%;height:auto}.home-hero{padding:2.5rem 0 1.5rem}.home-hero h1{font-size:2.4rem}.home-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1rem;margin-top:2rem}.home-card{display:block;border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem 1.25rem;color:var(--fg);transition:border-color .15s,box-shadow .15s,transform .15s}.home-card:hover{text-decoration:none;border-color:var(--accent);box-shadow:0 10px 24px #00000014;transform:translateY(-2px)}.home-card h2{margin:0 0 .4rem;font-size:1.1rem;border:none;padding:0}.home-card p{margin:0;color:var(--muted);font-size:.9rem}.site-footer{border-top:1px solid var(--border);padding:1.5rem 1.25rem 2.5rem;text-align:center;color:var(--muted);font-size:.85rem}.site-footer-inner{max-width:calc(var(--content-max) + var(--sidebar-w));margin:0 auto}@media(max-width:760px){.layout{flex-direction:column;gap:.5rem;padding-top:1rem}.sidebar{position:static;width:100%;padding:0 0 1rem;display:flex;flex-wrap:wrap;gap:.75rem 1.5rem;border-bottom:1px solid var(--border)}.sidebar-section{margin-bottom:0}}