:root{--ink:#213449;--navy:#112f56;--blue:#2364bc;--yellow:#ffe16b;--surface:#f5f8fc;--line:#e2e9f1;--muted:#65788c;--sidebar:278px;--toc:206px;font:15px "PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:white}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input,textarea,summary{outline-offset:4px}button,a{touch-action:manipulation}button{cursor:pointer;background:white;border:1px solid var(--line);border-radius:6px;color:var(--ink);padding:9px 13px}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}input,textarea{border:1px solid #cbd7e4;border-radius:6px;padding:11px;background:white;color:var(--ink);width:100%}input:focus,textarea:focus{outline:2px solid #a9cdfa;border-color:var(--blue)}[hidden]{display:none!important}.primary{background:var(--navy);color:white;border-color:var(--navy)}.quiet{background:transparent}.skip{position:fixed;top:-100px;left:10px;z-index:100;background:white;padding:12px}.skip:focus{top:10px}.site-header{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:30px;padding:0 30px;position:sticky;top:0;background:#fffffff7;z-index:20}.brand{display:flex;gap:16px;align-items:center;color:var(--navy);font-size:16px;font-weight:650;white-space:nowrap}.brand img{width:103px;height:48px;object-fit:contain}.brand span{border-left:1px solid var(--line);padding-left:16px}.site-header nav{display:flex;gap:27px;margin-left:auto;font-size:14px}.site-header nav a{color:var(--muted)}.site-header nav a.active{color:var(--navy);font-weight:650}.site-header #logout{font-size:12px;border:0;color:var(--muted)}#mobile-menu{display:none}.book-layout{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr) var(--toc);max-width:1680px;margin:auto;min-height:calc(100vh - 130px)}.sidebar{border-right:1px solid var(--line);padding:28px 20px 32px 26px;position:sticky;top:76px;height:calc(100vh - 76px);overflow:auto;background:var(--surface);scrollbar-width:thin}.search-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin-bottom:9px}.search-label kbd{font:11px monospace}.sidebar input{font-size:12px}.quick-nav{display:grid;gap:4px;margin:23px 0}.quick-nav a{padding:8px 11px;color:var(--ink);font-size:13px;border-radius:5px}.quick-nav a.active{background:#e4edfa;color:var(--blue);font-weight:650}.nav-heading{font-size:11px;color:var(--muted);letter-spacing:2px;padding:0 11px;margin:26px 0 12px}.sidebar details{margin:3px 0}.sidebar summary{font-size:13px;font-weight:600;padding:10px 5px;cursor:pointer;color:#354e68}.sidebar summary::marker{color:#90a2b7;font-size:10px}.chapter-link{display:block;font-size:12px;line-height:1.6;padding:7px 10px 7px 17px;border-left:1px solid #d8e2ef;margin-left:8px;color:var(--muted);border-radius:0 4px 4px 0}.chapter-link[aria-current=page]{color:var(--blue);background:#e6eefb;border-left:3px solid var(--blue);padding-left:15px;font-weight:600}.sidebar-note{font-size:11px;line-height:1.9;color:var(--muted);margin:28px 8px 0;padding-top:18px;border-top:1px solid var(--line)}#reading{padding:42px clamp(25px,4vw,70px) 80px;min-width:0;max-width:1060px;outline:none}.toc{position:sticky;top:76px;height:calc(100vh - 76px);overflow:auto;padding:40px 20px 25px 0;font-size:12px}.toc h2{font-size:12px;color:var(--muted);font-weight:500;margin:0 0 16px}.toc a{display:block;line-height:1.8;color:var(--muted);padding:5px 0 5px 13px;border-left:1px solid var(--line)}.toc a.sub{padding-left:23px;font-size:11px}.toc a:hover{color:var(--blue);border-color:var(--blue)}.eyebrow{font-size:11px;color:var(--blue);font-weight:600;letter-spacing:2px;margin:0 0 15px}.page-title{font-size:32px;line-height:1.4;letter-spacing:-.5px;margin:0 0 15px;color:var(--navy);font-weight:680}.intro{font-size:15px;line-height:1.9;color:var(--muted);max-width:700px;margin:0 0 28px}.home-title{font-size:42px;line-height:1.4;letter-spacing:-1px;max-width:650px;font-weight:700;margin:12px 0 20px}.home-title mark{color:var(--navy);background:linear-gradient(transparent 65%,var(--yellow) 65%);padding:0 4px}.project-line{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px;font-size:12px;color:var(--muted);gap:15px;margin-bottom:29px}.project-line b{font-weight:500;color:var(--blue)}.callout{border-left:3px solid #efc54b;background:#fff9e4;padding:14px 17px;font-size:12px;line-height:1.85;color:#655c40;margin:24px 0}.callout.blue{background:#f0f5fc;color:#506b88;border-color:#85b1ee}.section-title{font-size:19px;font-weight:650;margin:35px 0 15px;color:var(--navy)}.reading-path{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:22px 0}.path-link{padding:24px 18px;color:var(--ink);border-right:1px solid var(--line);font-size:14px}.path-link:last-child{border:0}.path-link span{font-size:11px;color:var(--blue);display:block;margin-bottom:8px}.path-link small{display:block;color:var(--muted);font-size:12px;line-height:1.7;margin-top:8px}.path-link:hover{background:var(--surface);text-decoration:none}.domain-grid,.team-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 25px}.domain-item{display:block;padding:18px 0;border-bottom:1px solid var(--line);color:var(--ink);font-size:14px}.domain-item small{display:block;color:var(--muted);font-size:12px;margin-top:7px}.team{padding:23px 0;border-bottom:1px solid var(--line)}.team h2{font-size:17px;margin:0 0 9px}.team p{font-size:13px;line-height:1.8;color:var(--muted);margin:0 0 14px}.team a{display:block;font-size:12px;line-height:1.9;margin-top:5px}.team .more{font-size:11px;margin-top:10px;color:var(--muted)}.doc-breadcrumb{color:var(--muted);font-size:12px;margin-bottom:22px;line-height:1.8}.doc-breadcrumb a{color:var(--muted)}.doc-meta{display:flex;gap:8px;flex-wrap:wrap;font-size:11px;margin-bottom:20px;color:var(--muted)}.badge{padding:5px 8px;border:1px solid var(--line);border-radius:4px;background:var(--surface)}.badge.state{background:#fff8db;color:#796124;border-color:#f5e8b3}.doc-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;padding-bottom:25px;border-bottom:1px solid var(--line);font-size:12px}.doc-actions button{font-size:12px;padding:7px 10px}.doc-actions a{margin-left:auto}.article{font-size:15px;line-height:1.95;overflow-wrap:anywhere}.article h2{font-size:22px;color:var(--navy);font-weight:650;margin:43px 0 18px;scroll-margin-top:100px}.article h3{font-size:17px;margin:30px 0 14px;scroll-margin-top:100px}.article h4{font-size:15px;scroll-margin-top:100px}.article p{margin:17px 0}.article strong{font-weight:650}.article ul,.article ol{padding-left:24px}.article li{padding-left:3px;margin:7px 0}.article blockquote{border-left:3px solid #a8c6ee;margin:22px 0;padding:4px 18px;background:var(--surface);font-size:13px;color:var(--muted)}.table-scroll{max-width:100%;overflow:auto;margin:24px 0;border:1px solid var(--line);border-radius:4px}.article table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.75}.article td,.article th{padding:12px 14px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);min-width:95px;text-align:left;vertical-align:top}.article th{background:var(--surface);font-weight:600;white-space:nowrap}.article tr:last-child td{border-bottom:0}.article td:last-child,.article th:last-child{border-right:0}.article pre{padding:20px;background:var(--surface);border:1px solid var(--line);overflow:auto;border-radius:5px;font-size:12px;line-height:1.8}.article code{font-family:ui-monospace,"SFMono-Regular",monospace;font-size:.85em;background:#eff3f8;padding:2px 4px;border-radius:3px}.article pre code{padding:0;background:none}.article img{max-width:100%;height:auto;display:block;margin:22px auto}.asset-note{font-size:12px;color:var(--muted);background:var(--surface);padding:12px}.source-details{font-size:12px;color:var(--muted);margin:20px 0;line-height:1.9}.source-details summary{cursor:pointer}.doc-pager{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:45px;border-top:1px solid var(--line);padding-top:25px;font-size:13px}.doc-pager a:last-child{text-align:right}.doc-pager small{display:block;color:var(--muted);font-size:11px;margin-bottom:7px}.search-result{border-bottom:1px solid var(--line);padding:22px 0}.search-result a{font-size:17px;font-weight:600}.search-result p{font-size:13px;color:var(--muted);line-height:1.9;white-space:pre-wrap}.search-result small{display:block;font-size:11px;color:var(--muted);margin-top:8px}.empty{padding:35px 0;color:var(--muted);font-size:14px}.site-footer{max-width:1680px;margin:auto;border-top:1px solid var(--line);padding:20px 30px;color:var(--muted);font-size:11px;display:flex;justify-content:space-between;gap:20px}.login{min-height:100vh;display:grid;place-items:center;background:#f0f5fb;padding:25px}.login-card{max-width:445px;width:100%;background:white;border:1px solid var(--line);border-top:5px solid var(--yellow);padding:40px;border-radius:8px}.login-card img{width:130px;height:65px;object-fit:contain;margin-bottom:20px}.login-card h1{font-size:35px;line-height:1.45;color:var(--navy);margin:15px 0}.login-card>p:not(.eyebrow){color:var(--muted);font-size:13px;line-height:1.9}.login-card label{display:block;font-size:12px;margin:25px 0 9px}.login-card .primary{width:100%;margin-top:15px;padding:13px}.login-card small{font-size:11px;color:var(--muted);line-height:1.8;display:block;margin-top:20px}#login-error,#comment-error{color:#b2403d}dialog{width:min(570px,calc(100vw - 25px));border:1px solid var(--line);border-radius:10px;padding:28px;max-height:85vh;overflow:auto;color:var(--ink)}dialog::backdrop{background:#10243e88}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.dialog-heading h2{font-size:20px;margin:0}.dialog-heading button{border:0;font-size:22px}dialog label{display:block;font-size:12px;margin:18px 0 8px}#feedback-title{font-size:13px;color:var(--muted)}.comment{border-top:1px solid var(--line);padding:18px 0;margin-top:18px;font-size:13px;line-height:1.8}.comment p{white-space:pre-wrap;overflow-wrap:anywhere}.comment small{font-size:11px;color:var(--muted)}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%);padding:13px 22px;background:var(--navy);color:white;border-radius:6px;font-size:13px;z-index:50;max-width:90vw}#page-error{padding:30px;color:#a7483f}
@media(max-width:1180px){:root{--sidebar:245px;--toc:170px}.site-header{padding:0 22px;gap:15px}.brand span{font-size:14px}.site-header nav{gap:18px;font-size:12px}.sidebar{padding-left:16px;padding-right:15px}#reading{padding:32px 30px 65px}.home-title{font-size:35px}}@media(max-width:1000px){.book-layout{grid-template-columns:var(--sidebar) minmax(0,1fr)}.toc{display:none}.site-header nav a:first-child{display:none}.page-title{font-size:29px}}@media(max-width:720px){.site-header{height:64px;padding:0 15px;gap:12px}#mobile-menu{display:block;border:0;padding:6px}.brand{gap:8px}.brand img{width:72px;height:40px}.brand span{padding-left:9px;font-size:13px}.site-header nav{display:none}.site-header #logout{margin-left:auto;padding:4px}.book-layout{display:block}.sidebar{display:none;position:fixed;top:64px;left:0;bottom:0;height:calc(100dvh - 64px);width:285px;z-index:30;box-shadow:8px 0 35px #17314e22}.sidebar.open{display:block}#reading{padding:29px 21px 55px}.home-title{font-size:31px}.page-title{font-size:27px}.intro{font-size:14px}.reading-path{grid-template-columns:1fr}.path-link{border-right:0;border-bottom:1px solid var(--line);padding:17px 10px}.path-link small{margin-top:4px}.domain-grid,.team-grid{grid-template-columns:1fr}.article{font-size:14px}.article h2{font-size:20px}.article table{font-size:12px}.article td,.article th{padding:10px}.doc-actions{gap:10px}.site-footer{padding:20px;display:block;line-height:1.9}.site-footer span{display:block}.doc-pager{font-size:12px}.project-line{font-size:11px}.login-card{padding:30px}.login-card h1{font-size:31px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.search-results-button{display:none}@media(max-width:720px){.search-results-button{display:block;width:100%;margin-top:10px;background:var(--navy);color:white;font-size:12px}}