:root{--ink:#182c39;--muted:#60717d;--line:#e2e8ed;--accent:#087b85;--nav:#f7f9fb}*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;color:var(--ink);background:white;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.7}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button,a,input,summary{touch-action:manipulation}:focus-visible{outline:3px solid #0a8a96;outline-offset:4px}.skip{position:fixed;top:-100px;left:16px;z-index:50;background:white;padding:10px}.skip:focus{top:10px}.topbar{height:76px;position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:22px;padding:0 32px}.brand{display:flex;align-items:center}.brand img{object-fit:contain}.guide-brand{border-left:1px solid var(--line);padding-left:22px;font-size:17px;font-weight:700;color:var(--ink)}.edition{font-size:12px;color:var(--muted);background:var(--nav);border:1px solid var(--line);border-radius:20px;padding:3px 12px}.portal{margin-left:auto;font-size:13px;font-weight:600}.menu-toggle{display:none}.layout{display:grid;grid-template-columns:280px minmax(0,830px) 220px;max-width:1530px;margin:auto}.sidebar{background:var(--nav);padding:30px 20px;position:sticky;top:76px;height:calc(100dvh - 76px);overflow-y:auto;border-right:1px solid var(--line)}.search-label{display:block;font-size:12px;font-weight:700;color:var(--muted);margin-bottom:6px}.search-wrap{display:flex;align-items:center;gap:8px;border:1px solid #ccd7de;background:white;border-radius:8px;padding:7px 10px}.search-wrap span{font-size:22px;line-height:1}.search-wrap input{width:100%;min-width:0;border:0;font-size:14px;background:transparent}.nav-label{font-size:10px;letter-spacing:1.5px;font-weight:700;margin:28px 10px 12px;color:var(--muted)}.chapter-link{display:flex;gap:10px;padding:10px 12px;margin:3px 0;font-size:13px;line-height:1.6;font-weight:600;color:#3c4e5a;border-radius:6px}.chapter-link.active{background:#e2f1f1;color:#086a72;border-left:3px solid var(--accent);padding-left:9px}.nav-number{font-size:11px;opacity:.65;padding-top:2px}.subnav{display:none;margin:7px 0 12px 27px;border-left:1px solid #d4dfe5;padding-left:14px}.subnav.current{display:block}.subnav a{display:block;color:var(--muted);font-size:12px;line-height:1.5;padding:5px 0}.nav-foot{border-top:1px solid var(--line);margin:30px 10px 0;padding-top:20px;font-size:12px;color:var(--muted)}.nav-foot a{display:block;margin-top:14px}.search-status{font-size:12px;margin:6px 0}.search-status:empty{display:none}main{padding:36px 48px 0;min-width:0}.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted);margin-bottom:36px}.chapter-meta{font-size:10px;font-weight:700;letter-spacing:1.5px;color:var(--accent);display:flex;justify-content:space-between;gap:10px}.chapter-meta span{color:var(--muted)}h1{font-size:clamp(30px,3vw,42px);line-height:1.2;letter-spacing:-1.2px;margin:15px 0 25px;font-weight:700}.lead{font-size:19px;color:var(--muted);line-height:1.6;margin-top:-8px}.intro-note{background:#eff8f8;border-left:3px solid var(--accent);padding:18px 22px;margin:26px 0 32px;font-size:14px;border-radius:0 6px 6px 0}.intro-note p{margin:4px 0 0}.prose{font-size:16px;line-height:1.85;overflow-wrap:anywhere}.prose p{margin:0 0 20px}.prose h2{font-size:25px;line-height:1.35;margin:42px 0 18px;border-top:1px solid var(--line);padding-top:28px;letter-spacing:-.5px}.prose h3{font-size:19px;line-height:1.5;margin:28px 0 14px}.prose img{max-width:100%;height:auto;vertical-align:middle}.guide-image{cursor:zoom-in;display:inline-block;max-width:100%}.prose .caption{font-size:12px;color:var(--muted);text-align:center;margin-top:-10px;margin-bottom:28px}.table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:8px}.prose table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.65}.prose th,.prose td{padding:12px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;min-width:120px}.prose th{background:var(--nav)}.prose td p,.prose th p{margin:0 0 8px}.prose tr:last-child td{border-bottom:0}.toc{position:sticky;top:76px;height:calc(100dvh - 76px);overflow-y:auto;padding:40px 20px 24px 10px;font-size:12px}.toc p{font-size:10px;font-weight:700;letter-spacing:1px;color:var(--muted)}.toc nav{border-left:1px solid var(--line);padding-left:16px}.toc a{display:block;color:var(--muted);line-height:1.5;padding:6px 0}.toc a.level-3{padding-left:10px;font-size:11px}.toc a.active{color:var(--accent);font-weight:bold}.toc .back-top{margin-top:25px;color:var(--accent)}.pagination{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:44px 0 30px}.pagination a{border:1px solid var(--line);border-radius:8px;padding:16px;line-height:1.5;color:var(--ink)}.pagination a:hover{border-color:var(--accent);text-decoration:none;background:var(--nav)}.pagination small{display:block;color:var(--muted);font-size:11px;margin-bottom:5px}.pagination strong{font-size:13px}.pagination .next{text-align:right}footer{border-top:1px solid var(--line);font-size:12px;color:var(--muted);padding:22px 0 30px}footer span{font-size:11px}.mobile-toc{display:none}dialog{border:0;border-radius:10px;max-width:95vw;max-height:95dvh;padding:52px 12px 12px}dialog::backdrop{background:rgba(12,25,35,.85)}dialog img{max-width:100%;height:auto;display:block}dialog button{position:fixed;right:4vw;top:3vh;background:white;border:1px solid #ccc;border-radius:6px;padding:8px 14px;cursor:pointer}[hidden]{display:none!important}@media(min-width:1450px){.layout{grid-template-columns:290px minmax(0,950px) 240px}main{padding-left:65px;padding-right:65px}}@media(max-width:1150px){.layout{grid-template-columns:260px minmax(0,1fr)}.toc{display:none}main{padding:30px 36px 0}.mobile-toc{display:block;background:var(--nav);border:1px solid var(--line);border-radius:6px;padding:10px 16px;margin:22px 0;font-size:13px}.mobile-toc summary{cursor:pointer;font-weight:600}.mobile-toc a{display:block;padding:4px 0}}@media(max-width:760px){.topbar{height:64px;padding:0 16px;gap:12px}.brand img{width:92px;height:34px}.guide-brand{font-size:13px;padding-left:12px}.edition,.portal{display:none}.menu-toggle{display:block;margin-left:auto;background:white;border:1px solid var(--line);border-radius:6px;padding:6px 9px;font-size:13px}.menu-toggle span{display:none}.layout{display:block}.sidebar{display:none;position:fixed;top:64px;left:0;bottom:0;width:min(340px,100%);height:calc(100dvh - 64px);z-index:15;box-shadow:10px 0 30px #182c3920}.sidebar.open{display:block}main{padding:24px 22px 0}.breadcrumbs{margin-bottom:26px}.prose{font-size:15px}.pagination{gap:10px}.pagination a{padding:12px}.chapter-meta{font-size:9px}h1{letter-spacing:-.7px}.intro-note{padding:16px}.prose th,.prose td{padding:10px}.prose h2{font-size:22px}}@media print{.topbar,.sidebar,.toc,.pagination,.mobile-toc{display:none}.layout{display:block}main{padding:0}.prose img{max-height:500px;object-fit:contain}.table-scroll{overflow:visible}a{color:inherit}}
.workflow{padding-left:26px}.workflow li{padding:0 0 18px 10px}.workflow li::marker{color:var(--accent);font-weight:bold}.workflow li p{margin:6px 0;font-size:15px}