:root{--bg:#fff;--panel:#fff;--text:#18181b;--muted:#6b7280;--border:#e5e7eb;--soft:#f7f7f8;--accent:#6f63ff;--accent-soft:#f2f0ff;--top:64px;--left:300px;--right:240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input{font:inherit}.topbar{height:var(--top);border-top:4px solid #16131f;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:24px;padding:0 28px;position:sticky;top:0;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);z-index:50}.brand{display:flex;align-items:center;gap:10px;font-weight:750;min-width:260px}.brand img{width:24px;height:24px;object-fit:contain}.brand span{font-size:15px}.search-wrap{position:relative;max-width:520px;flex:1;margin:0 auto}.search{width:100%;height:40px;border:1px solid #d7dbe2;border-radius:12px;padding:0 44px 0 40px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.05);outline:none}.search:focus{border-color:#a8a0ff;box-shadow:0 0 0 3px rgba(111,99,255,.12)}.search-icon{position:absolute;left:13px;top:9px;color:#7c8494}.kbd{position:absolute;right:10px;top:8px;border:1px solid #d7dbe2;border-radius:5px;padding:1px 6px;font-size:12px;color:#7c8494}.search-results{position:absolute;top:47px;left:0;right:0;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 14px 38px rgba(0,0,0,.14);padding:8px;display:none;max-height:420px;overflow:auto}.search-results.open{display:block}.search-item{display:block;padding:10px 12px;border-radius:9px}.search-item:hover{background:var(--soft)}.search-item strong{display:block;font-size:14px}.search-item span{display:block;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-menu{display:none;border:1px solid var(--border);background:#fff;border-radius:9px;width:40px;height:40px}.layout{display:grid;grid-template-columns:var(--left) minmax(0,1fr) var(--right);max-width:1600px;margin:0 auto}.sidebar{position:sticky;top:var(--top);height:calc(100vh - var(--top));overflow:auto;border-right:1px solid var(--border);padding:28px 22px 40px}.docs-select{display:flex;align-items:center;justify-content:space-between;border:1px solid #d7dbe2;border-radius:12px;padding:8px 12px;margin-bottom:22px;color:#596273;box-shadow:0 1px 2px rgba(0,0,0,.04)}.nav-link,.group-link{display:block;padding:6px 10px;border-radius:7px;color:#666;font-size:14px}.nav-link:hover,.group-link:hover{color:#111;background:#f7f7f8}.nav-link.active,.group-link.active{color:var(--accent);font-weight:650;background:var(--accent-soft)}.nav-group{margin:6px 0}.group-row{display:flex;align-items:center}.group-link{flex:1}.group-toggle{width:30px;height:30px;border:0;background:transparent;color:#777;cursor:pointer;border-radius:7px}.group-toggle:hover{background:#f3f3f4}.group-children{border-left:1px solid #e5e7eb;margin:2px 0 6px 9px;padding-left:9px;display:block}.nav-group.collapsed .group-children{display:none}.nav-group.collapsed .group-toggle{transform:rotate(-90deg)}.main{padding:34px 44px 60px;min-width:0}.article{max-width:820px;margin:0 auto}.crumbs{font-size:13px;color:#737b8b;margin-bottom:14px;display:flex;gap:7px;align-items:center;flex-wrap:wrap}.crumbs a{color:#6f63ff}.article-head{display:flex;align-items:flex-start;gap:16px}.article-head h1{font-size:38px;line-height:1.15;margin:0 0 12px;letter-spacing:-.025em}.copy{margin-left:auto;border:1px solid var(--border);background:#fff;border-radius:10px;padding:7px 12px;color:#687080;cursor:pointer}.copy:hover{background:#f7f7f8}.lead{color:#6b7280;font-size:18px;margin:0 0 28px}.content h2{font-size:28px;line-height:1.25;margin:38px 0 14px;letter-spacing:-.018em}.content h3{font-size:20px;margin:25px 0 8px}.content p{margin:0 0 16px}.content ul,.content ol{padding-left:26px;margin:0 0 18px}.content li{margin:5px 0}.content code{background:#f1f2f4;border:1px solid #e3e5e8;padding:1px 5px;border-radius:5px;font-size:.92em;word-break:break-all}.callout{border-left:3px solid #7c70ff;background:#f6f5ff;padding:14px 16px;margin:20px 0;border-radius:0 9px 9px 0;color:#404352}.callout.warn{border-left-color:#f59e0b;background:#fffbeb}.hero-media{margin:26px 0 32px}.hero-media img{display:block;width:100%;border-radius:4px}.hero-media figcaption{text-align:center;color:#7b8190;font-size:12px;margin-top:6px}.table-wrap{overflow:auto;margin:18px 0 24px;border:1px solid var(--border);border-radius:10px}table{border-collapse:collapse;width:100%;min-width:580px;font-size:14px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}th{background:#f8f8fa;font-weight:650}tr:last-child td{border-bottom:0}.link-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}.link-card{border:1px solid var(--border);border-radius:12px;padding:14px 15px;transition:.15s}.link-card:hover{border-color:#bbb5ff;background:#faf9ff;transform:translateY(-1px)}.link-card strong{display:block;font-size:15px;margin-bottom:5px}.link-card span{display:block;color:var(--muted);font-size:13px}.reviewed{font-size:12px;color:#9197a3;margin-top:34px;padding-top:18px;border-top:1px solid var(--border)}.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.pager a{border:1px solid var(--border);border-radius:12px;padding:12px 14px}.pager a:last-child{text-align:right}.pager small{display:block;color:#8a909d}.toc{position:sticky;top:var(--top);height:calc(100vh - var(--top));overflow:auto;border-left:1px solid var(--border);padding:32px 22px;color:#687080}.toc-title{font-size:12px;font-weight:750;text-transform:uppercase;margin-bottom:11px;color:#747b89}.toc a{display:block;font-size:13px;padding:4px 0;color:#6c7380}.toc a:hover{color:#3e36cd}.toc a.sub{padding-left:13px}.footer-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;font-size:13px}.footer-links a{color:#5c55d7}.status-dot{width:6px;height:6px;border-radius:50%;background:#40c98b;display:inline-block;margin-right:6px}.overlay{display:none}
@media(max-width:1150px){:root{--left:270px}.layout{grid-template-columns:var(--left) minmax(0,1fr)}.toc{display:none}.main{padding-right:30px}}
@media(max-width:800px){.topbar{padding:0 14px;gap:10px}.brand{min-width:0}.brand span{display:none}.kbd{display:none}.mobile-menu{display:block}.layout{display:block}.sidebar{position:fixed;z-index:80;top:var(--top);bottom:0;left:0;width:min(88vw,320px);height:auto;background:#fff;transform:translateX(-105%);transition:.2s;box-shadow:8px 0 30px rgba(0,0,0,.12)}.sidebar.open{transform:translateX(0)}.overlay.open{display:block;position:fixed;inset:var(--top) 0 0;background:rgba(0,0,0,.25);z-index:70}.main{padding:28px 20px 50px}.article-head h1{font-size:31px}.lead{font-size:16px}.copy{display:none}.content h2{font-size:24px}.link-cards{grid-template-columns:1fr}.pager{grid-template-columns:1fr}.search-wrap{max-width:none}.article{max-width:none}}