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:root{--ink:#1d2230;--soft:#5a6270;--muted:#6b7280;--line:#edeff3;--line-2:#e3e6ec;--paper:#fff;--bg:#f3f5fa;--blue:#2447de;--blue-dk:#1834ad;--blue-soft:#eaeefc;--red:#dc2645;--red-soft:#fdebee;--green:#1f9d57;--green-soft:#e6f6ec;--serif:'Fraunces',Georgia,'Times New Roman',serif;--sans:'Nunito Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,system-ui,sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--blue-dk);text-decoration:none}
.topbar{height:5px;background:linear-gradient(90deg,var(--blue) 0 50%,var(--red) 50% 100%)}
.masthead{max-width:1180px;margin:0 auto;padding:30px 24px 0}
.mast-top{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap}
.id{display:flex;align-items:center;gap:14px}a.id{transition:opacity .12s}a.id:hover{opacity:.82}.logo{width:54px;height:54px;object-fit:contain;display:block}
.wm{font-weight:800;font-size:22px;letter-spacing:-.4px}.wm span{color:var(--blue)}
.tag{font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted);font-weight:700;margin-top:2px}
.meta{text-align:right;font-size:13px;color:var(--soft);line-height:1.7;font-weight:700}
.meta .mk{color:var(--muted);font-size:11px;display:inline;margin-right:5px}
.title{font-family:var(--serif);font-weight:600;font-size:42px;letter-spacing:-1px;margin:24px 0 0;color:var(--blue-dk)}
.subtitle{font-size:14px;color:var(--soft);font-weight:700;margin-top:6px}
.rule{position:relative;height:3px;background:var(--line);border-radius:2px;margin:16px 0 0}.rule i{position:absolute;top:0;height:3px;border-radius:2px}.rb{left:0;width:64px;background:var(--blue)}.rr{left:70px;width:30px;background:var(--red)}
.shell{max-width:1180px;margin:0 auto;padding:26px 24px 80px;display:grid;grid-template-columns:272px minmax(0,1fr);gap:42px}
.toc{position:sticky;top:16px;align-self:start;max-height:calc(100vh - 32px);overflow:auto;padding-right:6px}
.toc .cap{font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:var(--muted);font-weight:800;margin:0 0 8px}
.toc a{display:block;border-radius:8px;line-height:1.3}
.toc a.g{padding:6px 10px;font-weight:800;font-size:14px;color:var(--ink)}
.toc a.g:hover{background:var(--blue-soft);color:var(--blue-dk)}
.toc a.s{padding:4px 10px 4px 40px;font-size:13px;color:var(--soft);font-weight:600}
.toc a.s:hover{color:var(--blue-dk)}
.toc a.here{background:var(--blue-soft);color:var(--blue-dk);box-shadow:inset 3px 0 0 var(--blue)}
.toc a.sec{font-weight:800;font-size:10.5px;letter-spacing:.9px;text-transform:uppercase;color:var(--red);padding:9px 10px 3px}
.toc a.sec:hover{color:var(--blue-dk)}
.tc{margin:0 0 4px}
.tc-h{display:block;width:100%;text-align:left;cursor:pointer;border:none;background:none;font-family:var(--serif);font-weight:700;font-size:15px;color:var(--blue-dk);padding:9px 6px 7px;border-bottom:1px solid var(--line-2);margin-top:10px}
.tc-h::before{content:"▾ ";color:var(--red);font-size:12px}
.tc.collapsed>.tc-h::before{content:"▸ "}
.tc.collapsed>.tc-body{display:none}
.tc-body{padding:4px 0 2px}
.tg-h{display:flex;align-items:center;gap:0}.tg-h .g{flex:1;min-width:0;overflow-wrap:anywhere}
.toc .tc-body>a.g,.toc .ts-body>a.g{padding-left:32px}
.tw{order:-1;border:none;background:none;cursor:pointer;color:var(--muted);font-size:11px;padding:5px 0;flex:0 0 22px;width:22px;text-align:center}
.tw::before{content:"▾"}.tg.collapsed .tw::before{content:"▸"}.tg.collapsed>.tg-sub{display:none}
.ts{margin:0}.ts-h{display:flex;align-items:center;gap:2px}.ts-h .sec{flex:1;min-width:0;overflow-wrap:anywhere}
.ts.collapsed>.ts-h .tw::before{content:"▸"}.ts.collapsed>.ts-body{display:none}
.doc{max-width:860px;min-width:0}
.part-h{scroll-margin-top:72px;cursor:pointer;user-select:none;font-family:var(--serif);font-weight:600;font-size:30px;letter-spacing:-.5px;color:var(--blue-dk);margin:34px 0 12px;display:flex;align-items:center;gap:11px}
.part-h::before{content:"▾";font-size:18px;color:var(--red)}
.part.collapsed>.part-h::before{content:"▸"}
.part.collapsed>.part-h{margin-bottom:8px}
.part:first-of-type .part-h{margin-top:8px}
.part.collapsed>.part-body{display:none}.part-body{padding-top:2px}
.group{margin:0 0 14px}.group,.field,.subgroup-h,.ch-h2{scroll-margin-top:72px}
.group-h{cursor:pointer;user-select:none;display:flex;align-items:center;gap:11px;font-family:var(--serif);font-weight:600;font-size:28px;letter-spacing:-.4px;color:var(--ink);margin:30px 0 14px;padding-bottom:12px;border-bottom:2px solid var(--line-2)}
.group:first-of-type .group-h{margin-top:6px}
.group-h::before{content:"▾";font-size:16px;color:var(--blue)}.group.collapsed>.group-h::before{content:"▸"}.group.collapsed>.group-body{display:none}.group-body{padding-top:2px}
.ch-h2{font-family:var(--serif);font-weight:600;font-size:25px;letter-spacing:-.3px;color:var(--ink);margin:30px 0 12px;padding-bottom:10px;border-bottom:2px solid var(--line-2)}
.ch-h2:first-child{margin-top:4px}
.subgroup-h{font-family:var(--sans);font-weight:800;color:var(--blue-dk);margin:24px 0 10px;display:flex;align-items:center;gap:9px}
.subgroup-h::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--red);flex:0 0 9px}
h3.subgroup-h{font-size:19px}h4.subgroup-h{font-size:16px}h5.subgroup-h{font-size:14px}
.lead{font-size:16px;color:var(--soft);font-weight:600;margin:6px 0 16px}
.field{background:var(--paper);border:1px solid var(--line-2);border-radius:14px;padding:18px 22px;margin:0 0 16px;box-shadow:0 1px 2px rgba(29,34,48,.03)}
.fh{display:flex;align-items:baseline;gap:11px;margin:0 0 6px}
.fh .fn{font-weight:800;font-size:12px;color:#fff;background:var(--blue);border-radius:6px;padding:3px 9px;letter-spacing:.3px}
.fh .ft{font-family:var(--sans);font-weight:800;font-size:18px;letter-spacing:-.2px;min-width:0;overflow-wrap:anywhere}
.path{font-size:11px;font-weight:700;letter-spacing:.3px;color:var(--blue-dk);background:var(--blue-soft);border-radius:7px;padding:5px 10px;display:inline-block;margin:0 0 10px;overflow-wrap:anywhere;max-width:100%}
p{margin:0 0 10px}.muted{color:var(--muted)}
h4.lh{font-size:11px;letter-spacing:1.1px;text-transform:uppercase;color:var(--muted);font-weight:800;margin:12px 0 5px}
ul,ol{margin:6px 0 12px;padding-left:20px;color:var(--soft)}li{margin:3px 0;font-size:14px}
ul.cols2{column-count:2;column-gap:30px}@media(max-width:720px){ul.cols2{column-count:1}}
code{font-family:ui-monospace,Menlo,Consolas,monospace;background:#eef1f6;padding:1px 5px;border-radius:5px;font-size:.92em}
.quote{border-left:3px solid var(--blue);background:var(--blue-soft);padding:9px 14px;border-radius:0 8px 8px 0;margin:12px 0;font-weight:700;color:var(--ink)}
.dialog{border:1px dashed var(--muted);background:#fff;border-radius:10px;padding:11px 14px;margin:12px 0;font-weight:700}
.table-wrap{overflow-x:auto;margin:16px 0;border:1px solid var(--line-2);border-radius:12px;box-shadow:0 1px 2px rgba(29,34,48,.04)}
.table-wrap table{border-collapse:separate;border-spacing:0;width:100%;font-size:13.5px}
.table-wrap th,.table-wrap td{padding:10px 13px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
.table-wrap thead th{background:var(--blue-soft);color:var(--blue-dk);font-weight:800;font-size:11px;text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid #cdd9f7;position:sticky;top:0}
.table-wrap tbody tr:nth-child(even){background:#fafbff}
.table-wrap tbody tr:hover{background:#eef3ff}
.table-wrap tbody th.rh{background:#f4f7fe;font-weight:800;color:var(--ink);font-size:13.5px}
.table-wrap tbody tr:last-child td,.table-wrap tbody tr:last-child th{border-bottom:none}
.table-wrap td.c-x{text-align:center;color:var(--red);font-weight:800;font-size:16px;vertical-align:middle}
.chip{display:inline-block;font-weight:800;font-size:11.5px;letter-spacing:.2px;padding:2px 9px;border-radius:999px;white-space:nowrap}
.chip-r{color:var(--green);background:var(--green-soft)}
.chip-h{color:var(--blue-dk);background:var(--blue-soft)}
.cd{color:var(--muted);font-size:12.5px;font-weight:600}
figure{margin:14px 0 4px}figure img{max-width:100%;height:auto;border:1px solid var(--line-2);border-radius:10px;box-shadow:0 12px 26px -18px rgba(29,34,48,.45);background:#fff;cursor:zoom-in;transition:filter .12s}figure img:hover{filter:brightness(.97)}
.callout{display:flex;gap:11px;border-radius:11px;padding:12px 14px;margin:12px 0 4px}
.callout .ic{flex:0 0 22px;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;font-weight:800;font-size:13px}
.callout p{margin:0;font-size:14px;color:var(--soft)}
.callout.note{background:var(--blue-soft)}.callout.note .ic{background:var(--blue);color:#fff}
.callout.warn{background:var(--red-soft)}.callout.warn .ic{background:var(--red);color:#fff}
.callout.tip{background:var(--green-soft)}.callout.tip .ic{background:var(--green);color:#fff}
.foot{max-width:1180px;margin:0 auto;padding:18px 24px 40px;border-top:1px solid var(--line);color:var(--muted);font-size:12.5px;font-weight:600;text-align:center}
.finder{position:sticky;top:8px;z-index:60;margin:0 0 18px}
.finder-box{display:flex;align-items:center;gap:10px;background:var(--bg);padding:6px 0}
.finder input{flex:1;min-width:0;font-family:var(--sans);font-size:14px;font-weight:600;color:var(--ink);background:#fff;border:1px solid var(--line-2);border-radius:10px;padding:10px 14px;outline:none}
.finder input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.finder input::placeholder{color:var(--muted);font-weight:600}
.finder-n{font-size:12px;font-weight:800;color:var(--soft);white-space:nowrap}
.finder-res{position:absolute;left:0;right:0;top:100%;margin-top:-4px;background:#fff;border:1px solid var(--line-2);border-radius:12px;box-shadow:0 18px 40px -16px rgba(29,34,48,.5);max-height:62vh;overflow:auto;z-index:80;display:none}
.finder-res.on{display:block}
.fr-item{display:block;padding:9px 14px;border-bottom:1px solid var(--line);text-decoration:none}
.fr-item:hover,.fr-item:focus{background:var(--blue-soft)}
.fr-item:last-child{border-bottom:none}
.fr-cat{display:block;font-size:10px;font-weight:800;letter-spacing:.5px;text-transform:uppercase;color:var(--red)}
.fr-t{display:block;font-weight:800;font-size:14px;color:var(--ink);margin:1px 0;line-height:1.3}
.fr-b{display:block;font-size:11.5px;color:var(--muted);font-weight:600}
.fr-empty{padding:12px 14px;color:var(--muted);font-weight:600;font-size:13px}
.fr-item.active{background:var(--blue-soft)}
.fr-x{font-size:11.5px;color:var(--soft);font-weight:600;margin-top:3px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.finder-res mark{background:#ffe39a;color:inherit;border-radius:3px;padding:0 1px;font-weight:inherit}
@keyframes fhl{from{background:var(--blue-soft)}}
.field:target{animation:fhl 1.8s ease}
.ch-h2:target,.group:target>.group-h{animation:fhl 1.8s ease;border-radius:8px}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
.group-h:focus-visible,.part-h:focus-visible,figure img:focus-visible,.langs a:focus-visible,.toc a:focus-visible,.tc-h:focus-visible,.tw:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}
.lightbox:focus{outline:none}
.langs{margin-top:10px;display:flex;gap:8px;justify-content:flex-end}
.langs a{font-weight:800;font-size:12px;padding:4px 11px;border-radius:7px;border:1px solid var(--line-2);color:var(--blue-dk);cursor:pointer}
.langs a.cur{background:var(--blue);color:#fff;border-color:var(--blue)}
.toc-x{display:none;float:right;border:none;background:none;font-size:20px;line-height:1;color:var(--muted);cursor:pointer;padding:0 2px}
.toc-home{display:block;font-weight:800;font-size:13px;color:var(--blue-dk);background:var(--blue-soft);border-radius:8px;padding:8px 11px;margin:2px 0 6px}
.toc-backdrop{position:fixed;inset:0;background:rgba(20,18,14,.45);z-index:1100;display:none}.toc-backdrop.on{display:block}
.fab{display:none;position:fixed;z-index:1000;border:none;cursor:pointer;font-weight:800;align-items:center;justify-content:center;box-shadow:0 10px 24px -6px rgba(29,34,48,.5)}
.fab-menu{left:14px;bottom:16px;background:var(--blue);color:#fff;border-radius:999px;padding:13px 20px;font-size:14px;gap:8px}
.fab-top{display:flex;right:14px;bottom:16px;background:#fff;color:var(--blue-dk);border:1px solid var(--line-2);border-radius:50%;width:50px;height:50px;font-size:22px}
.lightbox{position:fixed;inset:0;background:rgba(20,18,14,.86);display:none;align-items:center;justify-content:center;z-index:1300;cursor:zoom-out;padding:20px}.lightbox.on{display:flex}.lightbox img{max-width:96vw;max-height:96vh;border-radius:8px;box-shadow:0 12px 50px rgba(0,0,0,.55);background:#fff}
@media(max-width:760px){.shell{grid-template-columns:1fr;gap:0}.title{font-size:32px}.toc{position:fixed;top:0;left:0;bottom:0;width:88%;max-width:340px;background:#fff;z-index:1200;transform:translateX(-106%);transition:transform .22s ease;overflow:hidden;padding:18px 16px 0;box-shadow:0 0 40px rgba(0,0,0,.3);max-height:none;height:100vh;height:100dvh;display:flex;flex-direction:column}.toc.open{transform:none}.toc .cap{flex:none}.toc-scroll{flex:1 1 auto;min-height:0;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;padding-bottom:calc(28px + env(safe-area-inset-bottom))}html.toc-open,html.toc-open body{overflow:hidden}.fab{display:flex}.toc-x{display:inline-flex;align-items:center}}
@media print{@page{size:A4;margin:14mm}body{background:#fff;-webkit-print-color-adjust:exact;print-color-adjust:exact}.shell{display:block;padding:0}.toc,.fab,.toc-backdrop,.finder{display:none}.doc{max-width:none}.group.collapsed>.group-body,.part.collapsed>.part-body{display:block!important}.group-h::before,.part-h::before{display:none}.field{break-inside:avoid}figure{break-inside:avoid}.lightbox{display:none!important}}