@import url("theme.css");
:root{color-scheme:light;--ink:var(--site-ink);--muted:var(--site-muted);--line:var(--site-line);--blue:var(--site-accent);--teal:var(--site-accent);--paper:#fff;--soft:var(--site-soft);--header:76px}
*{box-sizing:border-box;letter-spacing:0}html{scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.7 var(--site-font)}html[lang=en] [lang=zh-CN],html[lang=zh-CN] [lang=en]{display:none}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button{cursor:pointer;background:#fff;border:1px solid var(--site-line);color:var(--ink);border-radius:4px;padding:6px 12px;white-space:nowrap}button:hover{background:var(--site-soft);border-color:var(--site-muted)}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,.table-scroll:focus-visible{outline:3px solid var(--site-accent);outline-offset:3px}input{border:1px solid var(--site-line);border-radius:4px;padding:9px 12px;min-width:0;max-width:100%;background:#fff;color:var(--ink)}[hidden]{display:none!important}.skip-link{position:fixed;left:12px;top:-100px;z-index:20;padding:10px;background:#fff}.skip-link:focus{top:8px}.site-header{position:sticky;top:0;z-index:10;height:var(--header);background:#fff;border-bottom:1px solid var(--line)}.header-inner{max-width:1392px;height:100%;margin:auto;padding:0 32px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:20px;color:var(--ink);margin-right:auto;min-width:0}.brand img{object-fit:contain;display:block;width:112px;height:36px;filter:none}.brand>span{font-size:13px;border-left:1px solid var(--line);padding-left:20px;line-height:1.4}.header-inner>nav{display:flex;gap:24px;font-size:13px;white-space:nowrap}.language{display:flex;gap:0}.language button{border-radius:0;font-size:13px;min-width:42px}.language button:first-child{border-radius:4px 0 0 4px}.language button:last-child{border-left:0;border-radius:0 4px 4px 0}.language [aria-pressed=true]{background:var(--site-blue-soft);color:var(--blue);font-weight:bold}#print{font-size:13px}.layout{max-width:1328px;margin:auto;display:grid;grid-template-columns:244px minmax(0,1fr);gap:58px;padding:0 32px}.sidebar{position:sticky;top:var(--header);height:calc(100dvh - var(--header));overflow-y:auto;padding:40px 20px 28px 0;border-right:1px solid var(--line)}.sidebar-label{font-size:16px;font-weight:bold;margin:0}.sidebar-subtitle{font-size:13px;color:var(--muted);margin:0 0 26px}.sidebar nav a{display:flex;align-items:center;gap:12px;padding:9px 10px;color:var(--site-muted);font-size:13px;border-left:2px solid transparent}.sidebar nav a:hover{background:var(--soft);text-decoration:none}.sidebar nav a[aria-current=true]{border-color:var(--teal);color:var(--teal);background:var(--site-blue-soft);font-weight:bold}.nav-number{font-family:Consolas,monospace;font-size:11px;color:var(--site-muted);width:19px;flex-shrink:0}.sidebar-footer{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;font-size:12px;color:var(--muted)}main{min-width:0;max-width:920px;padding:42px 0 0}.document-heading{padding-bottom:30px;border-bottom:1px solid var(--line)}.eyebrow{font-size:11px;font-weight:bold;color:var(--teal);margin:0 0 10px}h1{font-size:42px;line-height:1.15;margin:0 0 10px;color:var(--site-ink)}h2{font-size:25px;line-height:1.35;margin:0 0 18px;font-weight:600;overflow-wrap:anywhere}.document-heading h2{font-size:24px;font-weight:400;margin-bottom:12px}h3{font-size:18px;line-height:1.5;margin:26px 0 12px}h4{font-size:13px;color:var(--muted);margin:16px 0 4px}.lead{color:var(--muted);font-size:16px;max-width:690px;margin:0 0 22px}.metadata{display:flex;flex-wrap:wrap;gap:10px 24px;color:var(--muted);font-size:12px}.metadata strong{color:var(--ink)}main>section{padding:36px 0;border-bottom:1px solid var(--line);scroll-margin-top:12px}p{margin:12px 0;overflow-wrap:anywhere}li{margin:9px 0}ol{padding-left:24px}.flow{list-style:none;padding:0;margin:24px 0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px}.flow li{display:flex;align-items:center;gap:12px;line-height:1.5;margin:0;font-size:13px}.step{display:grid;place-items:center;flex:0 0 26px;height:26px;border:1px solid var(--site-line);color:var(--teal);border-radius:4px;font-size:12px;font-weight:bold}.table-scroll{max-width:100%;overflow-x:auto;border:1px solid var(--line);margin:18px 0;background:#fff}table{width:100%;border-collapse:collapse;text-align:left;font-size:13px;line-height:1.6}th{font-size:12px;color:var(--site-ink);background:var(--site-soft);font-weight:600;vertical-align:top}th,td{padding:11px 13px;border-bottom:1px solid var(--line);vertical-align:top}tr:last-child td{border-bottom:0}tbody tr:nth-child(even){background:var(--site-soft)}td:first-child{font-variant-numeric:tabular-nums}code{font-family:Consolas,"SFMono-Regular",monospace;font-size:.92em;background:var(--site-soft);padding:2px 4px;border-radius:3px;overflow-wrap:anywhere}table code{white-space:normal}#gatt table code{white-space:nowrap}#gatt table{min-width:650px}.code-block{border:1px solid var(--site-line);border-radius:5px;overflow:hidden;margin:14px 0;background:var(--site-soft)}.code-head{padding:7px 12px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-bottom:1px solid var(--site-line);font-size:11px;color:var(--site-muted)}.code-head .copy{font-size:11px;padding:2px 8px;flex-shrink:0}.code-block pre{padding:14px 16px;margin:0;white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.8 Consolas,monospace;color:var(--site-ink)}.code-block pre code{background:none;padding:0;font:inherit}.note{padding:12px 16px;border-left:3px solid var(--site-muted);background:var(--site-soft);font-size:13px;color:var(--site-ink)}.command-tools{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin:20px 0;font-size:13px}.command-tools input{flex:1;min-width:150px}.command-tools label{font-weight:bold}#command-count{font-variant-numeric:tabular-nums;color:var(--muted);min-width:46px}.command{border:1px solid var(--line);border-radius:5px;margin:10px 0;scroll-margin-top:100px}.command>summary{padding:14px;display:flex;align-items:center;gap:14px;cursor:pointer;list-style:none;font-size:14px;min-height:57px}.command>summary::-webkit-details-marker{display:none}.command>summary:after{content:'+';font-size:18px;line-height:1;width:12px;flex-shrink:0;color:var(--muted)}.command[open]>summary:after{content:'−'}.command>summary>code{min-width:31px;text-align:center;color:var(--blue)}.command>summary>span:not(.auth){flex:1}.command>summary:hover{background:var(--soft)}.command[open]>summary{border-bottom:1px solid var(--line);background:var(--soft)}.auth{font-size:10px;color:var(--site-muted);white-space:nowrap}.auth.protected{color:var(--site-muted)}.command-body{padding:2px 18px 16px;font-size:13px}.command-body h4:first-child{margin-top:16px}.command-body p{margin-top:3px}.compact>summary{font-size:12px;color:var(--blue);cursor:pointer}.crc-tool{border:1px solid var(--line);padding:18px;margin:22px 0;border-radius:5px}.crc-tool label{display:block;font-size:13px;font-weight:bold;margin-bottom:8px}.tool-row{display:flex;gap:10px}.tool-row input{flex:1;font-family:Consolas,monospace}.tool-row button{background:var(--teal);color:#fff;border-color:var(--teal)}.crc-tool output{display:block;font-family:Consolas,monospace;color:var(--teal);margin-top:12px}.crc-tool output.error{color:var(--site-error)}.doc-footer{display:flex;justify-content:space-between;gap:20px;padding:30px 0 40px;font-size:12px}.mobile-toc{display:none}.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:30;background:var(--site-ink);color:#fff;padding:8px 18px;border-radius:5px;font-size:13px;pointer-events:none;opacity:0;transition:opacity .15s}.toast.show{opacity:1}
.brand img{filter:none}
@media(min-width:1600px){.layout{gap:72px}}
@media(max-width:1050px){.header-inner{padding:0 24px;gap:16px}.brand>span{display:none}.layout{grid-template-columns:210px minmax(0,1fr);gap:30px;padding:0 24px}.sidebar{padding-right:12px}.sidebar nav a{font-size:12px}.header-inner>nav{gap:14px}}
@media(max-width:760px){:root{--header:64px}html{scroll-padding-top:78px}.header-inner{padding:0 16px;gap:10px}.brand img{width:92px;height:30px}.header-inner>nav{display:none}#print{padding:5px 9px}.language button{padding:5px 8px;min-width:35px}.layout{display:block;padding:0 18px}.sidebar{display:none}main{padding-top:18px}.mobile-toc{display:block;border-bottom:1px solid var(--line);margin-bottom:26px;padding-bottom:14px;font-size:13px}.mobile-toc>summary{cursor:pointer;color:var(--blue);padding:5px 0}.mobile-toc nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px 12px;padding-top:10px}.mobile-toc nav a{padding:5px 0;display:flex;gap:8px;align-items:center;font-size:12px}.document-heading{padding-bottom:24px}h1{font-size:36px}.document-heading h2{font-size:21px}h2{font-size:22px}h3{font-size:17px}.lead{font-size:14px}.metadata{font-size:11px;gap:6px 15px}main>section{padding:28px 0}.flow{grid-template-columns:1fr;gap:12px}th,td{padding:9px 10px}table{font-size:12px;min-width:480px}.command>summary{gap:9px;padding:12px 10px;font-size:13px}.auth{font-size:9px}.command-body{padding:2px 12px 12px}.code-block pre{font-size:12px;padding:12px}.command-tools label{flex-basis:100%}.tool-row{flex-wrap:wrap}.tool-row input{flex-basis:100%}.tool-row button{width:100%}.code-head{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.sidebar,.mobile-toc,.copy,.command-tools,.crc-tool,.toast,.skip-link,#command-empty,.doc-footer>a:last-child{display:none!important}.layout{display:block;max-width:none;padding:0}main{max-width:none;padding:0}.document-heading{padding-top:0}body{font-size:10pt;color:#000}main>section{padding:20px 0}h2{font-size:18pt}h3{font-size:13pt}table{font-size:8pt;min-width:0!important}.table-scroll{overflow:visible}pre{font-size:8pt!important}tr,.code-block{break-inside:avoid}h2,h3,h4,summary{break-after:avoid}.command>summary{font-size:11pt}.command-body{font-size:9pt}.compact{display:none}a{color:inherit}.command[hidden]{display:block!important}}