:root{--paper:#fff;--canvas:#fafaf8;--ink:#202a34;--muted:#69737b;--line:#e4e6e5;--blue:#245a89;--blue-wash:#edf3f7;--side:270px;--top:74px}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline;text-underline-offset:4px}button,input{font:inherit}button{cursor:pointer}button,a,input,summary{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #9dbed8;outline-offset:4px}button{border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:5px;padding:6px 12px;transition:background .16s,border-color .16s}button:hover{background:var(--blue-wash);border-color:#b7cbdc}.skip{position:fixed;top:-60px;left:16px;background:var(--ink);color:white;padding:8px 18px;z-index:90}.skip:focus{top:8px}.topbar{height:var(--top);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:22px;padding:0 30px;background:rgba(255,255,255,.97);position:sticky;top:0;z-index:30}.brand{display:flex;gap:13px;align-items:center;color:var(--ink);font-size:23px;letter-spacing:-.8px;white-space:nowrap}.brand:hover{text-decoration:none}.brand img{width:36px;height:36px;object-fit:contain}.brand span{font-weight:600}.brand b{font-weight:400;color:#52616d}.manual-label{font-size:14px;color:var(--muted);border-left:1px solid var(--line);padding-left:22px;letter-spacing:1px}.header-actions{margin-left:auto;display:flex;gap:8px}.header-actions button{font-size:13px}.header-actions span{margin-left:8px}.mobile-toggle{display:none}.layout{display:grid;grid-template-columns:var(--side) minmax(0,1fr) 210px;max-width:1660px;margin:auto}#sidebar{background:var(--canvas);border-right:1px solid var(--line);height:calc(100dvh - var(--top));position:sticky;top:var(--top);overflow-y:auto;scrollbar-width:thin;padding:28px 20px 18px;display:flex;flex-direction:column;overscroll-behavior:contain}.search-box label{font-size:12px;color:var(--muted);display:block;margin:0 0 7px 10px}.search-input{display:flex;align-items:center;gap:7px;background:var(--paper);border:1px solid #dce0e2;border-radius:6px;padding:7px 9px}.search-input>span{font-size:22px;color:var(--muted);line-height:1}.search-input input{border:0;outline:0;min-width:0;width:100%;font-size:12px;background:transparent;color:var(--ink);line-height:24px}.search-input:focus-within{outline:2px solid #aec8dc;outline-offset:1px}.search-input input:focus-visible{outline:none}.search-input kbd{font-size:11px;color:#8d969e;background:var(--canvas);border:1px solid var(--line);line-height:18px;padding:0 4px}#sidebar nav{padding-top:10px}.nav-group{color:#92989d;font-size:11px;letter-spacing:1.5px;margin:23px 10px 8px}#sidebar nav a{display:flex;align-items:baseline;gap:12px;color:#505b65;padding:8px 11px;border-radius:5px;font-size:13px;line-height:1.65;margin:2px 0;transition:background .16s,color .16s}#sidebar nav a:hover{background:#f0f1ed;text-decoration:none}#sidebar nav a[aria-current=page]{background:var(--blue-wash);color:var(--blue);font-weight:600}.nav-number{color:#a3abb0;font-size:10px;letter-spacing:.4px;font-variant-numeric:tabular-nums}#sidebar nav a[aria-current] .nav-number{color:var(--blue)}.sidebar-foot{margin-top:auto;padding:28px 10px 8px;font-size:10px;letter-spacing:.6px;color:#969b9e;display:flex;flex-direction:column;gap:4px}.edition{font-weight:600}main{min-width:0;max-width:960px;width:100%;padding:54px 58px 24px;outline:0}.chapter{scroll-margin-top:100px}.enhanced .chapter[hidden]{display:none}.eyebrow{font-size:11px;letter-spacing:1.7px;color:var(--blue);margin:0 0 16px}.eyebrow span{color:#a5afb7;margin-left:8px}h1{font-size:34px;line-height:1.35;letter-spacing:-.7px;font-weight:650;margin:0 0 13px;color:#1b2834}h2{font-size:20px;line-height:1.6;font-weight:600;margin:38px 0 13px;letter-spacing:.1px;scroll-margin-top:96px}h3{font-size:16px;margin:28px 0 10px}.description{font-size:16px;color:#7b858c;margin:0 0 32px;padding-bottom:28px;border-bottom:1px solid var(--line)}p{margin:12px 0}strong{font-weight:600;color:#243440}.lead{font-size:17px;line-height:1.9}.chapter-body a{text-decoration:underline;text-underline-offset:3px}ul{padding-left:1.4em;margin:14px 0}li{padding-left:.2em;margin:8px 0}.steps{list-style:none;counter-reset:step;padding:0;margin:18px 0 24px}.steps>li{counter-increment:step;position:relative;padding:0 0 0 38px;margin:17px 0}.steps>li:before{content:counter(step);position:absolute;left:0;top:2px;width:23px;height:23px;border:1px solid #c9d7e2;border-radius:50%;color:var(--blue);font-size:11px;line-height:22px;text-align:center;font-weight:600}.path{font-size:13px;color:var(--blue);background:var(--blue-wash);padding:11px 16px;margin:24px 0}.note{font-size:13px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);margin-top:24px}.result{margin-top:25px;padding:13px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px}.result strong{color:var(--blue)}.table-scroll{overflow-x:auto;margin:22px 0;max-width:100%}table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.85;text-align:left}th{background:#f3f5f5;color:#596670;font-size:12px;font-weight:600;padding:11px 13px;border-bottom:1px solid #d4dde2}td{padding:13px;border-bottom:1px solid var(--line);vertical-align:top}td:first-child{font-weight:500;color:#354959;min-width:110px;width:24%}.prompt{margin:23px 0;background:#f6f7f7;border-radius:6px;border:1px solid #e4e8e9;overflow:hidden}.prompt-head{display:flex;align-items:center;justify-content:space-between;padding:10px 17px;border-bottom:1px solid #e5e9ea;font-size:11px;color:#7b8790;letter-spacing:.7px}.prompt-head button{border:0;background:transparent;font-size:11px;color:var(--blue);padding:2px 7px}.prompt pre{white-space:pre-wrap;overflow-wrap:anywhere;font-family:inherit;line-height:1.95;font-size:13px;padding:17px 20px;margin:0;color:#3e505e}.outline{position:sticky;top:var(--top);height:calc(100dvh - var(--top));padding:59px 24px 30px 10px;font-size:11px;color:var(--muted);overflow:auto}.outline>p{color:#8c969d;letter-spacing:1px;margin:0 0 16px}.outline nav{border-left:1px solid var(--line)}.outline nav a{display:block;color:#7c878e;padding:6px 0 6px 15px;line-height:1.7}.outline nav a:hover{color:var(--blue);text-decoration:none}.outline-note{border-top:1px solid var(--line);padding-top:20px;margin-top:35px;line-height:2;color:#9a9fa4}.page-turn{display:flex;justify-content:space-between;gap:30px;border-top:1px solid var(--line);margin-top:48px;padding-top:25px;font-size:14px}.page-turn a{display:flex;flex-direction:column;max-width:50%}.page-turn a small{color:#90989e;font-size:10px;letter-spacing:1px;margin-bottom:3px}.page-turn a:last-child{text-align:right;margin-left:auto}.page-turn a[hidden]{display:none}.main-footer{display:flex;justify-content:space-between;gap:15px;font-size:10px;color:#a3abb1;margin-top:60px;padding-top:15px}.main-footer a{color:#8293a0}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;list-style:none;padding:18px 27px 18px 0;font-weight:500;position:relative;font-size:15px}.faq summary:after{content:'＋';position:absolute;right:2px;color:#8696a2;font-size:15px}.faq details[open] summary:after{content:'−'}.faq details div{padding:0 24px 12px 0;color:#64717b;font-size:14px}.faq summary::-webkit-details-marker{display:none}.faq details[open] div{animation:reveal .15s ease-out}.checklist{list-style:none;padding:0}.checklist li:before{content:'✓';color:var(--blue);margin-right:12px;font-size:13px}.search-hit{display:block;border-bottom:1px solid var(--line);padding:22px 0;color:var(--ink)}.search-hit:hover{text-decoration:none}.search-hit h2{margin:0 0 6px;font-size:19px;color:var(--blue)}.search-hit p{margin:0;color:var(--muted);font-size:13px;line-height:1.9}.search-hit small{font-size:10px;color:#9aa6af;letter-spacing:1px}.search-hit mark{background:#e0ecf4;color:#245a89;padding:1px 0}#search-summary{color:var(--muted);font-size:14px;margin:20px 0 5px}.empty-search{padding:25px 0;color:var(--muted)}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,10px);background:#263947;color:#fff;border-radius:5px;padding:10px 20px;font-size:13px;z-index:100;opacity:0;pointer-events:none;transition:opacity .18s,transform .18s}.toast.show{opacity:1;transform:translate(-50%,0)}.print-title{display:none}@keyframes reveal{from{opacity:0;transform:translateY(3px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1661px){#sidebar{border-left:1px solid var(--line)}}@media(max-width:1200px){.layout{grid-template-columns:var(--side) minmax(0,1fr)}.outline{display:none}main{padding:45px 45px 24px}}@media(max-width:800px){:root{--top:64px}.topbar{padding:0 18px;gap:14px}.brand{font-size:20px;gap:9px}.brand img{width:29px;height:29px}.manual-label{font-size:12px;letter-spacing:0;padding-left:14px}.layout{display:block}#sidebar{display:none;position:fixed;top:var(--top);left:0;bottom:0;width:285px;z-index:40;box-shadow:20px 0 60px #142b3c20;height:calc(100dvh - var(--top))}body.menu-open #sidebar{display:flex}body.menu-open:after{content:'';position:fixed;inset:var(--top) 0 0;background:#20344835;z-index:35}.mobile-toggle{display:block}.header-actions #print{display:none}main{padding:35px 25px 22px;max-width:none}h1{font-size:29px}.description{font-size:15px;margin-bottom:24px;padding-bottom:22px}h2{font-size:19px;margin-top:32px}.eyebrow{margin-bottom:11px}.table-scroll{margin-left:0}table{font-size:12px}td,th{padding:10px 9px}td:first-child{min-width:88px}body{font-size:14px}.main-footer{margin-top:40px;font-size:9px}.page-turn{gap:15px;font-size:13px}.search-input input{font-size:13px}.search-input kbd{display:none}.prompt pre{padding:16px}.toast{max-width:90%;width:max-content}html{scroll-padding-top:80px}}@media(max-width:390px){.manual-label{display:none}main{padding:30px 20px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}@media print{@page{size:A4;margin:17mm 18mm}body{font-size:10pt;color:#172734}.topbar,#sidebar,.outline,.page-turn,.main-footer,.toast,.skip,#search-results,.copy-prompt{display:none!important}.layout{display:block}main{max-width:none;width:100%;padding:0}.print-title{display:block;break-after:page;padding:30mm 0}.print-title h1{font-size:28pt}.print-title p{color:#687783}.chapter,.enhanced .chapter[hidden]{display:block!important;break-before:page}.chapter h1{font-size:23pt}.chapter h2{font-size:14pt;break-after:avoid;margin-top:20pt}p{orphans:3;widows:3}.description{font-size:11pt;margin-bottom:18pt;padding-bottom:14pt}.lead{font-size:11pt}.eyebrow{font-size:8pt}.steps>li{break-inside:avoid;margin:10pt 0;padding-left:28pt}.prompt,.result{break-inside:avoid}.prompt pre,table{font-size:9pt}.prompt{background:#f4f6f7;-webkit-print-color-adjust:exact;print-color-adjust:exact}th,td{padding:8pt}thead{display:table-header-group}tr{break-inside:avoid}.table-scroll{overflow:visible}.faq summary{font-size:11pt;break-after:avoid;padding:12pt 0}.faq details{break-inside:avoid}.faq details div{display:block!important;font-size:10pt;padding:0 0 8pt}.faq summary:after{display:none}a{color:inherit;text-decoration:none!important}.path,.note,.result{font-size:9pt}.steps li:before{top:0;font-size:8pt}.description,.prompt-head,.path,th{-webkit-print-color-adjust:exact;print-color-adjust:exact}}

/* Compact language switch; keep both languages in reach on mobile. */
.language-switch{display:flex;align-items:center;border:1px solid var(--line);border-radius:6px;padding:3px;gap:2px;align-self:center}
.language-switch a{font-size:12px;line-height:26px;padding:0 10px;border-radius:3px;color:var(--muted);white-space:nowrap}
.language-switch a:hover{text-decoration:none;color:var(--ink)}
.language-switch a[aria-current]{color:var(--blue);background:var(--blue-wash);font-weight:600}
.back-to-box{font-size:12px;display:flex;align-items:center;gap:8px;color:var(--muted);padding:0 3px 0 10px;white-space:nowrap}
html[lang="en"] .chapter-body{line-height:1.85}html[lang="en"] #sidebar nav a{font-size:12px}
@media(max-width:1100px){.back-to-box{display:none}.manual-label{display:none}}
@media(max-width:800px){.topbar{gap:8px;padding:0 14px}.header-actions{gap:7px}.language-switch a{padding:0 8px}.brand{font-size:19px}.brand img{width:27px;height:27px}.mobile-toggle{font-size:12px!important;padding:6px 9px}h1{font-size:27px}html[lang="en"] h1{font-size:27px}}
@media print{.language-switch,.back-to-box{display:none!important}}

@media(max-width:360px){.brand img{display:none}.topbar{padding:0 12px}.language-switch a{padding:0 7px}}

/* Screenshots sit beside the instructions they explain. */
.feature-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:-10px 0 27px}
.feature-links>a{display:inline-flex;align-items:center;gap:18px;border:1px solid #cbd9e3;border-radius:6px;padding:8px 13px;font-size:12px;font-weight:600;background:#f6f9fb}
.feature-links>a:hover{background:var(--blue-wash);text-decoration:none;border-color:#9eb7ca}
.feature-links small{flex-basis:100%;color:var(--muted);font-size:11px;margin-top:2px}
.guide-figure{margin:0 0 35px;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff}
.figure-top{display:flex;justify-content:space-between;gap:16px;padding:10px 15px;background:#f7f8f8;border-bottom:1px solid var(--line);font-size:10px;letter-spacing:.5px;color:var(--muted)}
.figure-top b{font-weight:500;margin-left:8px;color:#94a0a8}
.chapter-body .screenshot-link{display:block;cursor:zoom-in;text-decoration:none;overflow:hidden}
.screenshot-link img{display:block;width:100%;height:auto;transition:filter .18s}
.screenshot-link:hover img{filter:brightness(.98)}
.guide-figure figcaption{border-top:1px solid var(--line);padding:16px 18px 14px}
.guide-figure figcaption>p{font-size:13px;font-weight:600;margin:0 0 10px;line-height:1.7}
.figure-points{list-style:none;counter-reset:point;display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0;margin:0 0 13px}
.figure-points li{counter-increment:point;margin:0;padding:0 0 0 27px;font-size:12px;line-height:1.7;color:#626e77;position:relative}
.figure-points li:before{content:counter(point);position:absolute;left:0;top:1px;width:18px;height:18px;border-radius:50%;background:var(--blue-wash);color:var(--blue);font-size:10px;line-height:18px;text-align:center}
.guide-figure figcaption>small{display:block;color:#869198;font-size:10px;line-height:1.6}
#image-viewer{width:min(1440px,96vw);max-width:96vw;max-height:94dvh;padding:0;border:1px solid #d6dce0;border-radius:10px;box-shadow:0 25px 80px #10212f40;color:var(--ink)}
#image-viewer::backdrop{background:#12202dbb;backdrop-filter:blur(5px)}
#image-viewer header{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 18px;border-bottom:1px solid var(--line)}
#image-viewer h2{font-size:14px;margin:0}#image-viewer header>div{display:flex;gap:8px}#image-viewer button{font-size:12px}
.image-stage{overflow:auto;max-height:calc(94dvh - 130px);background:#edf0f2;overscroll-behavior:contain}
#image-full{display:block;width:100%;height:auto;margin:auto}.image-stage.original #image-full{width:1280px;max-width:none;margin:0}
#image-caption{font-size:12px;color:var(--muted);margin:0;padding:13px 18px;border-top:1px solid var(--line)}
@media(max-width:800px){.figure-points{grid-template-columns:1fr;gap:8px}.guide-figure figcaption{padding:13px}.feature-links>a{padding:9px 12px}.figure-top{padding:8px 12px}#image-viewer header{padding:10px}#image-viewer h2{font-size:12px}#image-viewer button{padding:6px 9px}#image-caption{font-size:11px;padding:10px}}
@media print{#image-viewer{display:none!important}.feature-links{display:none}.guide-figure{break-inside:avoid;margin:0 0 16pt}.figure-top{font-size:7pt}.figure-top>span:last-child{display:none}.guide-figure figcaption>p,.figure-points li{font-size:8pt}.guide-figure figcaption>small{font-size:7pt}.figure-points{grid-template-columns:1fr 1fr}.screenshot-link img{max-height:100mm;object-fit:contain}.guide-figure figcaption{padding:9pt}}

/* Fit the complete screenshot in the lightbox; original size remains scrollable. */
#image-full{width:auto;max-width:100%;max-height:calc(94dvh - 130px);object-fit:contain}
.image-stage.original #image-full{width:1280px;max-width:none;max-height:none}