:root{color-scheme:light dark;--bg:#fafbf9;--surface:#fff;--ink:#192c25;--muted:#64736c;--line:#dfe7e1;--accent:#176448;--tint:#edf4ef;--code:#f0f3ef;--shadow:0 10px 35px #21382b08;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;scroll-behavior:smooth}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);line-height:1.75}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}code,pre{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace}button,input{font:inherit}.shell{width:min(1280px,calc(100% - 80px));margin-inline:auto}.skip{position:fixed;top:-80px;left:16px;background:var(--surface);padding:12px;z-index:20}.skip:focus{top:10px}.site-header{border-bottom:1px solid var(--line);background:var(--surface)}.header-inner{height:86px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);font-size:19px;letter-spacing:-.4px}.brand strong{font-weight:500}.brand-icon{display:grid;place-items:center;width:34px;height:36px;background:var(--accent);color:#fff;border-radius:9px;font-size:23px;font-weight:700}.header-inner nav{display:flex;gap:28px;font-size:14px}.header-inner nav a{color:var(--muted)}.home{max-width:1040px;padding-top:90px}.eyebrow{color:var(--accent);letter-spacing:2px;font-size:11px;font-weight:700}.home>h1{font-size:clamp(30px,4.1vw,48px);line-height:1.35;letter-spacing:-1.5px;font-weight:600;margin:22px 0}.lead{color:var(--muted);max-width:620px;font-size:17px}.section-label{margin:64px 0 18px;display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--muted)}.section-label span:last-child{font-size:10px;letter-spacing:2px}.guide-card{display:block;border:1px solid var(--line);background:var(--surface);border-radius:16px;padding:30px 34px;color:var(--ink);box-shadow:var(--shadow);transition:border-color .15s,transform .15s}.guide-card:hover{text-decoration:none;border-color:var(--accent);transform:translateY(-2px)}.card-top,.card-bottom{display:flex;justify-content:space-between;gap:16px;align-items:center}.label{font-size:10px;letter-spacing:1.6px;color:var(--accent);background:var(--tint);border-radius:5px;padding:4px 9px}.arrow{font-size:24px;color:var(--accent)}.guide-card h2{font-size:27px;font-weight:600;letter-spacing:-.5px;margin:14px 0 8px}.guide-card p{color:var(--muted);margin:0;max-width:700px;font-size:15px}.card-bottom{margin-top:30px;padding-top:20px;border-top:1px solid var(--line);font-size:13px}.card-bottom span:first-child{color:var(--muted)}.card-bottom span:last-child{color:var(--accent)}.machine{display:grid;grid-template-columns:1fr 1fr;gap:60px;margin:64px 0 36px}.machine h2{font-size:23px;font-weight:600;margin:10px 0}.machine p{color:var(--muted);font-size:14px;max-width:430px}.machine .eyebrow{color:var(--accent);font-size:10px}.machine-links{display:flex;flex-direction:column;justify-content:center}.machine-links a{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:14px 0;gap:12px;font-size:13px}.machine-links span{color:var(--muted);font-size:12px}.note{padding:18px 22px;border-left:3px solid var(--accent);background:var(--tint);font-size:13px;color:var(--muted);border-radius:0 8px 8px 0}.note strong{color:var(--ink);font-weight:500}.site-footer{border-top:1px solid var(--line);margin-top:80px;padding-block:25px;display:flex;gap:24px;color:var(--muted);font-size:12px}.site-footer a{margin-left:auto;color:var(--muted)}.doc-layout{display:grid;grid-template-columns:252px minmax(0,1fr);gap:64px;align-items:start;padding-top:44px}.sidebar{position:sticky;top:24px;max-height:calc(100vh - 48px);overflow:auto;font-size:12px;padding:0 14px 20px 0}.sidebar summary{font-size:13px;font-weight:600;cursor:pointer;padding:2px 0 16px}.search-label{display:block;font-size:11px;color:var(--muted);margin-bottom:6px}.sidebar input{width:100%;font-size:12px;padding:10px 12px;border:1px solid var(--line);border-radius:7px;background:var(--surface);color:var(--ink);margin-bottom:20px}.toc{display:flex;flex-direction:column;gap:3px}.toc a{display:block;color:var(--muted);line-height:1.6;padding:5px 9px;border-left:1px solid var(--line)}.toc a:hover{color:var(--accent);text-decoration:none;background:var(--tint)}.toc .h3{padding-left:19px;font-size:11px}#toc-empty{color:var(--muted)}.article{min-width:0;max-width:880px}.breadcrumb{font-size:12px;color:var(--muted)}.article-header .eyebrow{margin-top:34px}.article-header h1{font-size:clamp(30px,4vw,43px);line-height:1.3;letter-spacing:-1px;font-weight:600;margin:14px 0}.article-intro{color:var(--muted);font-size:15px;max-width:640px}.article-actions{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0 36px}.pill{border:1px solid var(--accent);border-radius:6px;padding:7px 12px;font-size:12px;background:var(--accent);color:#fff}.pill.secondary{background:var(--surface);color:var(--accent);border-color:var(--line)}.markdown{font-size:14px;overflow-wrap:anywhere}.markdown h2{font-size:24px;margin:52px 0 20px;border-top:1px solid var(--line);padding-top:26px;line-height:1.45;font-weight:600}.markdown h3{font-size:19px;margin:34px 0 14px;line-height:1.5}.markdown h2,.markdown h3{scroll-margin-top:28px}.markdown p{margin:14px 0}.markdown li{margin:6px 0}.markdown ul,.markdown ol{padding-left:24px}.markdown code{background:var(--code);padding:2px 5px;border-radius:4px;font-size:.87em}.markdown pre{background:var(--code);padding:20px;border:1px solid var(--line);border-radius:9px;overflow:auto;line-height:1.75;font-size:12px;max-width:100%;white-space:pre;overflow-wrap:normal}.markdown pre code{padding:0;background:none;font-size:inherit}.table-wrap{overflow-x:auto;margin:20px 0}.markdown table{border-collapse:collapse;min-width:100%;font-size:12px;line-height:1.7}.markdown th,.markdown td{border:1px solid var(--line);padding:11px 12px;text-align:left;vertical-align:top;min-width:110px}.markdown th{background:var(--tint);font-weight:600}.markdown blockquote{border-left:3px solid var(--accent);margin-inline:0;padding:1px 18px;color:var(--muted);background:var(--tint)}.markdown hr{border:0;border-top:1px solid var(--line);margin:30px 0}.article-footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:24px;margin-top:48px;font-size:12px;color:var(--muted)}[hidden]{display:none!important}
@media(prefers-color-scheme:dark){:root{--bg:#111a16;--surface:#17221c;--ink:#e3ece5;--muted:#a0b1a5;--line:#33453a;--accent:#9bd8b4;--tint:#213b2d;--code:#1e2c23;--shadow:none}.brand-icon,.pill{background:#a3dbba;color:#152b1e}.pill.secondary{color:var(--accent);background:var(--surface)}}
@media(max-width:850px){.shell{width:calc(100% - 40px)}.header-inner{height:72px}.header-inner nav{gap:17px;font-size:12px}.brand{font-size:16px;gap:8px}.brand-icon{width:28px;height:31px;font-size:19px}.home{padding-top:48px}.machine{gap:24px;grid-template-columns:1fr}.machine-links{max-width:100%}.doc-layout{grid-template-columns:1fr;gap:28px;padding-top:20px}.sidebar{position:static;max-height:none;overflow:visible;padding:0}.sidebar summary{border-bottom:1px solid var(--line);padding-bottom:12px}.sidebar details[open] .toc{max-height:260px;overflow:auto}.article{max-width:100%}.article-header h1{font-size:34px}.site-footer{gap:12px;flex-wrap:wrap}.guide-card{padding:24px}.guide-card h2{font-size:23px}.section-label{margin-top:40px}.home>h1{letter-spacing:-.5px}.markdown th,.markdown td{padding:9px}.markdown pre{padding:15px}.header-inner nav a:last-child{display:none}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}.guide-card{transition:none}}
@media print{.site-header,.sidebar,.site-footer,.article-actions{display:none}.doc-layout{display:block}.shell{width:100%}.article{max-width:100%}.markdown pre{white-space:pre-wrap}.table-wrap{overflow:visible}}