:root{color-scheme:light;--ink:#26324a;--muted:#65728b;--accent:#6b60d5;--pale:#eeecfc;--line:#e2e6f1;--bg:#f6f7fc;font:15px/1.8 system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg)}a{color:var(--accent);text-underline-offset:3px}button,input,select{font:inherit}button,a,select,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,main:focus-visible{outline:3px solid #978af0;outline-offset:3px}input,select{background:white;border:1px solid #cfd6e6;border-radius:10px;padding:8px 12px;color:var(--ink);min-width:0}.guide-header{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:78px;padding:12px max(24px,calc((100vw - 1320px)/2));background:#ffffffed;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:21px;font-weight:750;white-space:nowrap}.brand img{height:44px;width:44px;border-radius:12px;object-fit:cover}.header-actions{display:flex;align-items:center;gap:12px}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:12px;padding:9px 18px;text-decoration:none;font-weight:600;white-space:nowrap}.secondary{color:var(--accent);background:var(--pale)}.button:hover{background:#e3dffb}.guide-shell{max-width:1320px;margin:auto;display:grid;grid-template-columns:254px minmax(0,1fr);gap:42px;padding:32px 24px 64px}.guide-nav{position:sticky;top:104px;align-self:start;max-height:calc(100vh - 126px);overflow:auto;padding:0 12px 16px 0}.eyebrow{color:var(--accent);font-size:12px;letter-spacing:.08em;font-weight:750;margin:0 0 12px}.guide-nav label{display:block;font-size:13px;font-weight:650;margin-bottom:8px}.search-wrap{position:relative}.search-wrap input{width:100%;padding-right:36px}.clear{position:absolute;right:6px;top:5px;border:0;background:transparent;font-size:22px;color:var(--muted)}.search-status{font-size:12px;color:var(--muted);min-height:22px;margin:8px 0}.guide-nav nav{display:grid;gap:4px}.toc-link{display:flex;gap:10px;align-items:baseline;border-radius:10px;color:var(--muted);text-decoration:none;padding:8px 11px;font-size:13px}.toc-link span{font-size:11px;opacity:.7}.toc-link:hover,.toc-link[aria-current=true]{color:var(--accent);background:var(--pale)}main{min-width:0}.intro{padding:18px 0 25px}.intro h1{font-size:clamp(27px,3vw,38px);line-height:1.4;letter-spacing:-.025em;max-width:780px;margin:0 0 16px}.intro>p:not(.eyebrow){color:var(--muted);max-width:760px;margin:0 0 20px}.intro-note{font-size:13px;color:#594fa2;border:1px solid #ddd7fa;background:#f0edff;padding:12px 16px;border-radius:12px}.guide-card{scroll-margin-top:100px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:27px 30px;margin:0 0 20px;box-shadow:0 4px 16px #25375a03}.section-heading{display:flex;gap:14px;align-items:center;margin-bottom:14px}.section-number{border-radius:10px;background:var(--pale);color:var(--accent);font-weight:700;min-width:38px;height:38px;display:inline-grid;place-items:center;font-size:14px}.guide-card h2{font-size:22px;line-height:1.45;margin:0}.guide-card .summary{color:var(--muted);margin:0 0 17px;font-size:14px}.guide-card ol{margin:0;padding-left:23px}.guide-card li{padding-left:4px;margin:0 0 11px;overflow-wrap:anywhere}.guide-card li:last-child{margin-bottom:0}.guide-tip{margin:19px 0 0;background:#f8f7fe;border-left:3px solid #a499eb;padding:12px 16px;font-size:13px;border-radius:0 9px 9px 0;white-space:pre-wrap}.section-links{display:flex;flex-wrap:wrap;gap:8px 17px;margin-top:17px;font-size:13px}.empty{padding:40px;text-align:center;background:white;border:1px solid var(--line);border-radius:18px}.empty h2{font-size:21px}.empty p,footer{color:var(--muted);font-size:13px}footer{display:flex;gap:25px;align-items:baseline;justify-content:space-between;padding:10px 2px}footer p{margin:0;max-width:650px}footer a{white-space:nowrap}.skip{position:fixed;left:16px;top:-100px;z-index:10;background:white;padding:10px}.skip:focus{top:12px}[hidden]{display:none!important}@media(max-width:850px){.guide-shell{grid-template-columns:minmax(0,1fr);gap:14px;padding:20px 18px 35px}.guide-nav{position:static;max-height:none;padding:0}.guide-nav nav{display:flex;overflow-x:auto;gap:5px;padding:0 0 8px}.toc-link{white-space:nowrap;border:1px solid var(--line);background:#fff}.intro{padding-top:12px}.guide-card{padding:23px}.guide-header{padding:12px 18px}.guide-header select{max-width:140px}}@media(max-width:480px){.guide-header{flex-wrap:wrap;gap:8px}.brand{font-size:18px}.brand img{height:35px;width:35px}.header-actions{gap:8px}.button{font-size:13px;padding:8px 11px}select{font-size:12px;max-width:106px!important}.guide-shell{padding:15px 13px 28px}.intro h1{font-size:27px}.guide-card{padding:21px 19px;border-radius:14px}.guide-card h2{font-size:19px}.guide-card li{font-size:14px}.section-heading{gap:10px}.guide-card{scroll-margin-top:120px}footer{display:block}footer a{display:inline-block;margin-top:12px}}@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}@media print{.guide-header,.guide-nav,.section-links,footer a{display:none}.guide-shell{display:block;padding:0}.guide-card{break-inside:avoid;box-shadow:none}.guide-card[hidden]{display:block!important}.intro-note{display:none}body{background:#fff;color:#000}}
/* Visual walkthroughs: actual product screenshots, local assets, no service calls. */
.quick-start{margin:0 0 28px}.quick-start>h2{font-size:24px;margin:0 0 4px}.quick-start>.summary{color:var(--muted);margin:0 0 15px;font-size:14px}.quick-choices{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.quick-choice{display:flex;flex-direction:column;padding:20px;border:1px solid #dcd6f6;border-radius:16px;background:#fff;text-decoration:none;color:var(--ink);transition:border-color .15s}.quick-choice:hover{border-color:var(--accent);background:#faf9ff}.quick-choice h3{font-size:17px;line-height:1.5;margin:8px 0}.quick-choice p{color:var(--muted);font-size:13px;margin:0 0 16px;overflow-wrap:anywhere}.quick-number{color:var(--accent);font-size:12px;font-weight:700}.quick-go{font-size:13px;color:var(--accent);margin-top:auto}.guide-figure{margin:0 0 25px;min-width:0}.screenshot-button{position:relative;display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#f6f7fc;cursor:zoom-in}.screenshot-button img{display:block;width:100%;height:auto;max-height:460px;object-fit:contain;object-position:top}.zoom-badge{position:absolute;bottom:10px;right:10px;box-shadow:0 2px 12px #26324a22;background:#fffefc;color:var(--accent);border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:12px}.guide-figure figcaption{font-size:12px;color:var(--muted);padding:9px 1px}.guide-figure figcaption b,.guide-figure figcaption span{display:block;font-weight:400}.step-heading{font-size:15px;margin:0 0 14px}.guide-card .guide-steps{list-style:none;counter-reset:step;padding:0}.guide-steps>li{position:relative;counter-increment:step;padding:0 0 16px 38px;margin:0;border-left:1px solid var(--line);margin-left:13px}.guide-steps>li:before{content:counter(step);position:absolute;left:-13px;top:1px;background:var(--pale);color:var(--accent);width:26px;height:26px;border-radius:50%;text-align:center;line-height:26px;font-size:12px;font-weight:700}.guide-steps>li:last-child{border-left-color:transparent;padding-bottom:0}.guide-tip>p{margin:4px 0 0}.guide-tip>b{font-size:12px}.image-dialog{width:min(1400px,96vw);max-width:96vw;max-height:94vh;padding:18px;border:1px solid var(--line);border-radius:16px;color:var(--ink);background:#fff;box-shadow:0 20px 80px #0004}.image-dialog::backdrop{background:#18223bd9}.image-dialog-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin:0 0 12px}.image-dialog-toolbar h2{font-size:17px;margin:0;overflow-wrap:anywhere}.image-dialog-toolbar>div{display:flex;gap:8px;flex-shrink:0}.image-scroll{overflow:auto;max-height:calc(94vh - 150px);background:var(--bg);border:1px solid var(--line);border-radius:8px}.image-scroll img{display:block;width:100%;height:auto}.actual-size .image-scroll img{width:auto;max-width:none}.image-dialog>p{margin:9px 0 0;font-size:12px;color:var(--muted)}
@media(max-width:1100px){.quick-choices{grid-template-columns:1fr}.quick-choice{padding:15px 18px}.quick-choice p{margin-bottom:8px}.quick-choice h3{margin:3px 0}.quick-number{display:none}}
@media(max-width:480px){.image-dialog{padding:12px}.image-dialog-toolbar{align-items:stretch;flex-direction:column}.image-dialog-toolbar>div{justify-content:flex-end}.image-scroll{max-height:calc(94vh - 190px)}.guide-steps>li{padding-left:25px}.screenshot-button img{max-height:280px}}
@media print{.quick-start,.zoom-badge,.image-dialog{display:none}.screenshot-button img{max-height:none}.guide-card{break-inside:auto}.guide-figure{break-inside:avoid}}
.image-legend{list-style:none;display:flex;flex-wrap:wrap;gap:7px 18px;padding:0;margin:2px 0 8px;color:var(--muted);font-size:12px}.guide-card .image-legend li{display:flex;align-items:baseline;gap:6px;padding:0;margin:0}.image-legend span{display:inline-grid;place-items:center;min-width:20px;height:20px;line-height:20px;border-radius:50%;background:#6b60d5;color:white;font-weight:700}