:root{--ink:#203b30;--muted:#65746d;--line:#dce3d8;--paper:#f5f6f0;--lime:#d9f58d;--deep:#173d32;--soft:#edf2e5;--white:#fff;--radius:18px;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:28px}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #587830;outline-offset:4px}button{color:inherit}p{line-height:1.8}h1,h2,h3,h4,p{margin:0}button{min-height:44px}button:disabled{cursor:default}[hidden]{display:none!important}.skip-link{position:fixed;top:-80px;left:20px;padding:15px;background:white;z-index:100}.skip-link:focus{top:12px}.guide-topbar{height:80px;display:flex;align-items:center;gap:28px;padding:0 max(28px,calc((100vw - 1376px)/2));border-bottom:1px solid var(--line);background:#fff}.guide-logo{font-size:34px;font-weight:800;letter-spacing:-2px;display:flex;gap:8px;align-items:center}.guide-logo small{font-size:12px;letter-spacing:0;border:1px solid;padding:3px 5px;border-radius:5px}.guide-topbar nav{display:flex;gap:26px;margin-left:auto;font-size:13px}.guide-topbar a:hover{color:#587830}.version-pill{font-size:11px;border-radius:20px;background:var(--soft);padding:8px 12px}.guide-hero{max-width:1376px;margin:32px auto 0;padding:42px 48px 30px;border-radius:24px;background:var(--deep);color:white}.hero-heading{display:flex;justify-content:space-between;gap:30px}.hero-eyebrow{font-size:10px;letter-spacing:2px;color:#c4d4bd}.guide-hero h1{font-size:42px;letter-spacing:-1.5px;margin:17px 0 15px;font-weight:650;line-height:1.25}.hero-description{font-size:15px;color:#d3e0d8}.hero-note{padding:28px 0 0;min-width:175px}.hero-note>span{display:inline-block;font-size:30px;font-variant-numeric:tabular-nums;color:var(--lime);margin-right:22px}.hero-note small{font-size:11px;color:#d3e0d8}.hero-note p{font-size:11px;color:#c4d4cb;margin-top:15px}.path-picker{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}.path-picker>a{display:flex;align-items:center;gap:18px;padding:19px 22px;background:#ffffff09;border:1px solid #78988666;border-radius:12px}.path-picker>a:hover{background:#ffffff15;border-color:var(--lime)}.path-icon{font-size:26px;color:var(--lime);width:35px}.path-picker small{display:block;color:#cadbcc;font-size:10px;margin-bottom:5px}.path-picker strong{font-size:20px;font-weight:600}.path-picker strong span{font-weight:400;margin-left:12px;color:var(--lime)}.path-picker p{font-size:11px;color:#cadbcc;margin-top:5px}.path-picker b{font-size:10px;font-weight:500;margin-left:auto;white-space:nowrap;color:#d9e7dd}.reading-note{max-width:1376px;margin:0 auto;display:flex;align-items:center;gap:10px;min-height:76px;padding:16px 6px}.note-dot{width:6px;height:6px;background:#658447;border-radius:50%;flex-shrink:0}.reading-note p{font-size:12px;color:var(--muted);flex:1}.reading-note button{border:1px solid var(--line);background:white;border-radius:8px;padding:0 14px;flex-shrink:0;font-size:12px}.guide-layout{display:grid;grid-template-columns:222px minmax(0,1fr);gap:44px;max-width:1376px;margin:0 auto 50px}.guide-toc{position:sticky;top:24px;align-self:start;max-height:calc(100vh - 48px);overflow:auto;scrollbar-width:thin;padding-right:4px}.toc-label{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);letter-spacing:1px;padding:6px 10px 18px}.toc-label span{font-variant-numeric:tabular-nums;letter-spacing:0}.toc-group{margin-bottom:22px}.toc-group-title{display:flex;justify-content:space-between;align-items:center;min-height:42px;padding:0 10px;font-size:13px;font-weight:650}.toc-group-title span{font-size:10px;color:var(--muted);font-weight:400}.toc-group ol{list-style:none;margin:0;padding:0}.toc-group li a{display:flex;align-items:center;gap:10px;padding:10px;border-left:2px solid transparent;border-radius:0 6px 6px 0;font-size:11px;line-height:1.55;color:#58695f;min-height:40px}.toc-group li a span{font-size:10px;color:#73836f;flex-shrink:0}.toc-group a:hover{background:#e9eddf}.toc-group li a[aria-current="step"]{color:#24452d;background:#e6eecf;border-left-color:#54743e;font-weight:650}.toc-reference{display:block;border-top:1px solid var(--line);padding:17px 10px;font-size:11px}.toc-toggle{display:none}.guide-body{min-width:0}.journey-section{scroll-margin-top:28px}.journey-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px;padding-top:5px}.section-overline{font-size:10px;letter-spacing:1.8px;color:#677b5d;font-weight:600}.journey-header h2,.shared-section h2{font-size:29px;font-weight:650;margin:8px 0 9px;letter-spacing:-.5px}.journey-header p{font-size:13px;color:var(--muted)}.prototype-link{border:1px solid var(--line);border-radius:8px;padding:13px 15px;white-space:nowrap;background:white;font-size:11px}.prototype-link:hover{border-color:#7e9663}.journey-step{scroll-margin-top:24px;display:grid;grid-template-columns:minmax(0,1fr) 355px;gap:32px;background:white;border:1px solid var(--line);border-radius:var(--radius);padding:30px;margin-bottom:22px;align-items:start}.step-copy{min-width:0;padding-top:6px}.step-kicker{display:flex;align-items:center;gap:12px;margin-bottom:20px}.step-index{display:grid;place-items:center;background:#edf3dd;color:#415c2d;border:1px solid #dde7cb;width:37px;height:37px;border-radius:10px;font-size:14px;font-variant-numeric:tabular-nums;font-weight:650}.step-kicker>span:last-child{font-size:10px;color:#697962;letter-spacing:1px}.step-copy h3{font-size:23px;font-weight:650;line-height:1.45;letter-spacing:-.4px;margin-bottom:26px}.step-copy h4{font-size:10px;letter-spacing:1px;font-weight:650;margin-bottom:8px;color:#6a7964}.step-copy p{font-size:13px;line-height:1.9}.instruction{margin-bottom:19px}.step-result{border-left:2px solid #aac478;padding-left:15px;margin-bottom:23px}.step-result h4{color:#456239}.step-rule{padding:18px;background:#f2f5eb;border:1px solid #e5ebda;border-radius:10px}.step-rule h4{color:#476236}.step-rule p{font-size:12px;color:#3f5143}.step-branches{margin-top:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}summary{cursor:pointer;line-height:1.7}summary::marker{color:#798e6b}.step-branches summary{padding:14px 0;font-size:12px;font-weight:600}.step-branches summary span{float:right;font-size:10px;font-weight:400;color:var(--muted);margin-top:2px}.step-branches dl{margin:0 0 15px}.step-branches dl>div{padding:11px 0;border-top:1px dashed var(--line)}.step-branches dt{font-size:12px;font-weight:650;margin-bottom:5px}.step-branches dd{margin:0;font-size:12px;line-height:1.85;color:#667467}.flow-handoff{margin-top:20px;display:flex;align-items:center;gap:10px;padding:12px 0;font-size:12px;line-height:1.7;font-weight:600}.flow-handoff span{font-size:9px;color:#6d7c63;flex-shrink:0;font-weight:400}.flow-handoff b{margin-left:auto}.flow-handoff:hover{color:#61852f}.flow-gallery{min-width:0;background:#f3f4ee;border:1px solid #e5e8de;border-radius:13px;padding:14px 17px 17px}.gallery-top{display:flex;justify-content:space-between;gap:10px;font-size:9px;color:#717d68;margin:1px 0 12px}.gallery-top>span:first-child{color:#536446;font-weight:600}.shot-tabs{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:14px}.shot-tabs button{border:1px solid #d5ddcb;border-radius:6px;padding:7px 9px;font-size:10px;background:white;min-height:34px;flex:1;white-space:nowrap}.shot-tabs button[aria-selected=true]{background:#244632;border-color:#244632;color:white}.shot-panel{margin:0}.js .shot-panel[data-secondary]:not(.is-active){display:none}.shot-open{border:0;padding:0;position:relative;display:block;width:100%;max-width:280px;margin:auto;border-radius:30px;background:none;cursor:zoom-in;line-height:0}.shot-open img{width:100%;height:auto;display:block;border-radius:30px;box-shadow:0 6px 15px #22392114}.shot-focus{position:absolute;border:2px solid #e4a643;border-radius:7px;box-shadow:0 0 0 2px #fff8;pointer-events:none}.shot-focus b{position:absolute;right:-9px;top:-10px;width:20px;height:20px;border-radius:50%;background:#f3c979;color:#3e3017;display:grid;place-items:center;font-size:10px;box-shadow:0 1px 4px #0002;line-height:1}.zoom-icon{position:absolute;bottom:12px;right:12px;display:grid;place-items:center;font-size:19px;background:white;color:#203b30;width:30px;height:30px;border-radius:50%;box-shadow:0 1px 8px #0002}.shot-panel figcaption{margin:15px auto 0;max-width:290px}.shot-panel figcaption strong{display:flex;gap:8px;align-items:center;font-size:11px;font-weight:600}.mark-key{display:grid;place-items:center;background:#f3c979;color:#3e3017;border-radius:50%;width:18px;height:18px;font-size:10px;flex-shrink:0}.shot-panel figcaption p{font-size:10px;color:#6a7762;margin-top:7px;line-height:1.8}.zoom-hint{font-size:9px;color:#718066;display:block;margin-top:8px}#vib{margin-top:58px}.shared-section{background:#eaf0df;border:1px solid #d9e2ce;padding:30px;border-radius:18px;margin-top:38px}.handoff-grid{display:grid;gap:12px;margin-top:22px}.handoff-grid a{border-bottom:1px solid #cfdac2;padding:0 0 16px}.handoff-grid a:last-child{border:0;padding:0}.handoff-grid span{font-size:10px;color:#698058;display:block;margin-bottom:5px}.handoff-grid strong{font-size:14px;font-weight:600}.handoff-grid p{font-size:12px;color:#5d7053;margin-top:6px}.pending-details{border-top:1px solid #cbd8be;margin-top:24px;padding-top:17px;font-size:12px}.pending-details li{line-height:1.9;margin-bottom:7px}.source-note{font-size:11px;color:#64765c;margin-top:23px}.source-note a{text-decoration:underline;text-underline-offset:3px}.guide-footer{display:flex;gap:24px;align-items:center;font-size:12px;border-top:1px solid var(--line);padding:24px 0;margin-top:35px}.guide-footer button{margin-left:auto;border:1px solid var(--line);background:white;border-radius:7px;padding:0 14px}dialog{border:1px solid #b7c8ac;border-radius:16px;padding:0;width:min(720px,calc(100% - 24px));max-height:94vh;background:#f5f6f0;color:var(--ink);box-shadow:0 20px 100px #0005}dialog::backdrop{background:#102a22b8;backdrop-filter:blur(5px)}dialog>header{display:flex;gap:15px;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);background:white}dialog h2{font-size:15px;line-height:1.5}dialog header button{flex-shrink:0;border:1px solid var(--line);background:white;border-radius:8px;padding:0 13px;font-size:12px}.viewer-scroll{overflow:auto;max-height:calc(94vh - 77px);padding:24px}#viewer-image{display:block;width:min(100%,520px);height:auto;margin:auto;border-radius:30px}body:has(dialog[open]){overflow:hidden}
@media(min-width:1500px){.journey-step{gap:48px;padding:36px}.step-copy{padding-right:10px}}
@media(max-width:1430px){.guide-hero,.reading-note,.guide-layout{margin-left:28px;margin-right:28px}.guide-layout{gap:28px;grid-template-columns:205px minmax(0,1fr)}.journey-step{gap:24px;grid-template-columns:minmax(0,1fr) 320px;padding:25px}.shot-open{max-width:258px}}
@media(max-width:1150px){.guide-layout{grid-template-columns:180px minmax(0,1fr);gap:22px}.journey-step{grid-template-columns:minmax(0,1fr) 280px;gap:20px;padding:22px}.flow-gallery{padding:12px}.step-copy h3{font-size:21px}.prototype-link{font-size:10px;padding:12px 9px}.journey-header p{max-width:360px}}
@media(max-width:980px){.guide-layout{display:block}.guide-toc{position:sticky;top:0;z-index:20;max-height:none;padding:0;margin-bottom:24px;background:var(--paper)}.toc-toggle{display:flex;justify-content:space-between;align-items:center;width:100%;border:1px solid var(--line);background:white;border-radius:10px;padding:0 16px;font-size:12px;height:48px}.toc-toggle span{font-size:11px;color:var(--muted)}.js #toc-content{display:none}.js .guide-toc.is-open #toc-content{display:block;max-height:65vh;overflow:auto;padding:18px;background:#fff;border:1px solid var(--line);border-top:0;border-radius:0 0 12px 12px;position:absolute;left:0;right:0;box-shadow:0 12px 20px #243b3018}.toc-group li a{min-height:44px;font-size:12px}.journey-step{grid-template-columns:minmax(0,1fr) 320px;padding:28px}.journey-step,.journey-section,#shared{scroll-margin-top:70px}.guide-hero{padding:32px}.guide-hero h1{font-size:36px}.guide-topbar{height:68px}.guide-layout{margin-bottom:20px}}
@media(max-width:690px){.guide-topbar{padding:0 18px;gap:12px}.guide-topbar nav{gap:14px;font-size:11px}.guide-logo{font-size:28px}.version-pill{display:none}.guide-hero,.reading-note,.guide-layout{margin-left:16px;margin-right:16px}.guide-hero{margin-top:18px;padding:26px 22px 20px;border-radius:18px}.guide-hero h1{font-size:28px;letter-spacing:-1px;margin-top:16px}.hero-description{font-size:12px}.hero-eyebrow{font-size:8px;letter-spacing:1.2px}.hero-note{display:none}.path-picker{grid-template-columns:1fr;gap:9px;margin-top:23px}.path-picker>a{padding:14px;gap:12px}.path-picker strong{font-size:17px}.path-picker p{font-size:10px}.path-icon{font-size:21px;width:25px}.path-picker small{font-size:9px}.reading-note{padding:17px 0;flex-wrap:wrap;gap:8px}.reading-note p{font-size:10px}.reading-note button{margin-left:auto;font-size:11px;min-height:36px}.journey-header{align-items:start;gap:12px}.journey-header h2{font-size:25px}.journey-header p{font-size:12px;max-width:250px}.prototype-link{font-size:10px;margin-top:21px;padding:10px 8px}.journey-step{display:block;padding:22px 18px;margin-bottom:18px;border-radius:14px}.step-copy h3{font-size:22px;margin-bottom:22px}.step-kicker{margin-bottom:17px}.step-copy p{font-size:13px}.step-rule p{font-size:12px}.flow-gallery{margin-top:24px;padding:14px 18px 18px}.shot-open{max-width:300px}.gallery-top{font-size:9px}.shot-tabs button{min-height:40px;font-size:10px}.step-branches summary{min-height:48px}.flow-handoff{font-size:11px}.shared-section{padding:22px 18px}.shared-section h2{font-size:24px}.guide-footer{gap:14px;flex-wrap:wrap;font-size:10px}.guide-footer button{font-size:10px;padding:0 10px}.viewer-scroll{padding:12px}dialog>header{padding:10px 14px}dialog h2{font-size:12px}.guide-toc{margin-bottom:21px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{html{scroll-behavior:auto}body{background:#fff}.guide-topbar,.guide-toc,.reading-note,.guide-footer,.shot-tabs,.zoom-icon,.zoom-hint,dialog,.prototype-link{display:none!important}.guide-hero{color:#203b30;background:white;border:1px solid #ccc;margin:0;padding:22px}.guide-hero p,.hero-eyebrow{color:#536446}.hero-note{display:none}.path-picker{display:none}.guide-layout{display:block;margin:24px 0}.journey-step{display:block;break-before:page;border:0;padding:0}.step-copy{margin-bottom:18px}.step-copy p,.step-rule p{font-size:11px}.flow-gallery{display:flex;flex-wrap:wrap;gap:14px;background:white;border:0;padding:0;break-inside:avoid}.gallery-top{display:none}.js .shot-panel[data-secondary]:not(.is-active),.shot-panel[hidden]{display:block!important}.shot-panel{flex:0 0 43%;max-width:43%;break-inside:avoid}.shot-open{max-width:190px}.shot-panel figcaption{max-width:230px}.shot-focus{border-width:1px}.shared-section{break-before:page}#vib{margin-top:24px}.step-branches{font-size:10px}.step-branches dd{font-size:10px}.flow-handoff{font-size:10px}}