:root{--color-bg: #f7f8fa;--color-surface: #ffffff;--color-text: #1a1d24;--color-muted: #566072;--color-primary: #1d4ed8;--color-primary-dark: #1741ac;--color-border: #e2e6ee;--color-accent-bg: #eef2ff;--radius: 12px;--shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 4px 16px rgba(16, 24, 40, .06);--maxw: 800px;--font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--color-text);background:var(--color-bg);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:var(--color-primary);text-decoration:none}a:hover,a:focus-visible{text-decoration:underline}:focus-visible{outline:3px solid rgba(29,78,216,.4);outline-offset:2px;border-radius:4px}.app{display:flex;flex-direction:column;min-height:100vh}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-primary);color:#fff;padding:10px 16px;border-radius:0 0 8px;z-index:100}.skip-link:focus{left:0}.site-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:50}.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;color:var(--color-text)}.brand:hover{text-decoration:none}.brand img{width:28px;height:28px}.nav{display:flex;flex-wrap:wrap;gap:4px}.nav a{color:var(--color-muted);padding:8px 12px;border-radius:8px;font-size:.95rem;font-weight:500}.nav a:hover{background:var(--color-accent-bg);color:var(--color-primary);text-decoration:none}.nav a.active{background:var(--color-accent-bg);color:var(--color-primary);font-weight:600}main{flex:1 0 auto;padding:40px 0 64px}.page h1{font-size:2rem;line-height:1.2;margin:0 0 8px}.page h2{font-size:1.25rem;margin:32px 0 8px;padding-top:8px}.page h3{font-size:1.05rem;margin:20px 0 6px}.page p,.page li{color:var(--color-text)}.page ul{padding-left:22px}.page li{margin:4px 0}.updated{color:var(--color-muted);font-size:.95rem;margin-top:0}code{background:var(--color-accent-bg);padding:2px 6px;border-radius:6px;font-size:.9em;word-break:break-word}.hero{text-align:center;padding:24px 0 8px}.hero .badge{display:inline-block;background:var(--color-accent-bg);color:var(--color-primary);font-size:.85rem;font-weight:600;padding:4px 12px;border-radius:999px;margin-bottom:16px}.hero h1{font-size:2.5rem;margin:0 0 12px}.hero .lead{font-size:1.15rem;color:var(--color-muted);max-width:620px;margin:0 auto 8px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:32px 0}.card{display:block;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);transition:transform .12s ease,border-color .12s ease}.card:hover{text-decoration:none;transform:translateY(-2px);border-color:var(--color-primary)}.card h2{margin:0 0 6px;font-size:1.1rem;color:var(--color-text)}.card p{margin:0;color:var(--color-muted);font-size:.95rem}.contact-box{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:20px 24px;box-shadow:var(--shadow);margin-top:8px}.contact-box h2{margin-top:0}.callout{background:var(--color-accent-bg);border-left:4px solid var(--color-primary);border-radius:8px;padding:14px 18px;margin:20px 0}.callout p{margin:0}.site-footer{flex-shrink:0;background:var(--color-surface);border-top:1px solid var(--color-border);padding:28px 0;color:var(--color-muted);font-size:.9rem}.site-footer .container{display:flex;flex-wrap:wrap;gap:16px 24px;justify-content:space-between;align-items:center}.site-footer nav{display:flex;flex-wrap:wrap;gap:16px}.notfound{text-align:center;padding:48px 0}.notfound .code{font-size:4rem;font-weight:800;color:var(--color-primary);margin:0}@media (max-width: 640px){.hero h1{font-size:2rem}.site-header .container{min-height:auto;padding-top:10px;padding-bottom:10px}main{padding:28px 0 48px}}