:root{font-family:Inter,Arial,"Microsoft YaHei",sans-serif;color:#283139;background:#f3f4f1;font-synthesis:none;--line:#27343f20;--accent:#d2e74e}*{box-sizing:border-box}body{margin:0}main{height:350vh}.stage{height:100svh;min-height:700px;position:sticky;top:0;display:grid;grid-template-columns:minmax(0,1fr) 365px;grid-template-rows:85px minmax(0,1fr) 105px;gap:0;padding:0 42px;background:radial-gradient(ellipse at 32% 47%,#ffffff,#f1f3ef 75%);overflow:hidden}header{grid-column:1/3;display:flex;align-items:center;border-bottom:1px solid var(--line);gap:35px}.brand{font-size:25px;font-weight:900;letter-spacing:-1.5px}.brand sup{font-size:10px;margin-left:3px}.product{font-size:13px;letter-spacing:3px}.product span{margin-left:10px;letter-spacing:2px;color:#879087}.lab{margin-left:auto;font-size:10px;letter-spacing:2px}.scene{position:relative;min-height:0}.scene-title{position:absolute;left:0;top:30px;pointer-events:none}.scene-title>span{font-size:10px;letter-spacing:3px}.scene-title h1{font-size:clamp(44px,5.5vw,88px);letter-spacing:-4px;line-height:1;margin:12px 0;color:#dfe4dc}.scene-title p{margin:0;font-size:13px;color:#879080}.view-tools{position:absolute;right:20px;top:24px;display:flex;gap:6px}.view-tools button{border:1px solid var(--line);background:#ffffffaa;border-radius:22px;min-width:34px;height:34px;font-size:16px}#tail-view{font-size:12px;padding:0 12px}button,input,select{font:inherit}button{cursor:pointer;color:inherit}button:disabled{opacity:.4;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,#viewport:focus-visible{outline:2px solid #839d21;outline-offset:3px}#viewport{position:absolute;inset:45px 0 28px;cursor:grab;touch-action:pan-y}#canvas{width:100%;height:100%;display:block}#measure{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}#dimension,#ticks{fill:none;stroke:#87992c;stroke-width:1.4}#dimension{stroke-dasharray:4 4}#cog-dot{fill:#c9de48;stroke:#687d21;stroke-width:1.2}#pivot-dot{fill:#fff;stroke:#687d21;stroke-width:1.2}#measure-label{position:absolute;pointer-events:none;background:#f9fcf0e8;border:1px solid #b9cc75;border-radius:6px;padding:8px 12px;white-space:nowrap;transform:translate(-50%,-50%)}#measure-label strong{font-size:23px;font-variant-numeric:tabular-nums}#measure-label small{font-size:12px;font-weight:400}#measure-label span{display:block;font-size:10px;color:#6e7852;margin-top:3px}#part-label{position:absolute;left:22px;bottom:30px;background:#fff;border:1px solid var(--line);font-size:12px;padding:9px 14px;border-radius:30px;pointer-events:none;display:none}.scene-bottom{position:absolute;bottom:12px;left:0;right:20px;display:flex;justify-content:space-between;font-size:10px;letter-spacing:.6px;color:#969e94}#scene-status{color:#495642}#loading{position:absolute;inset:0;display:grid;place-items:center;background:#f3f4f1ee;z-index:10}.panel{border-left:1px solid var(--line);padding:25px 0 20px 27px;overflow-y:auto;scrollbar-width:thin;overscroll-behavior:contain}.panel-head p{font-size:10px;letter-spacing:2px;color:#85907d;margin:0 0 10px}.panel-head h2{font-size:25px;font-weight:650;letter-spacing:-1px;margin:0 0 24px}.count-label{font-size:12px;display:flex;justify-content:space-between}.count-label span{font-size:10px;color:#92998e}.counts{display:flex;gap:8px;margin:11px 0 22px}.counts button{flex:1;border:1px solid var(--line);background:transparent;border-radius:8px;padding:11px 0;transition:background .2s}.counts button.active{background:var(--accent);border-color:var(--accent)}.counts b{font-size:26px;font-weight:500;display:block}.counts small{font-size:10px;color:#68735d;display:block;margin-top:5px}.metrics{display:flex;gap:30px}.metrics strong{font-size:35px;letter-spacing:-1.5px;font-weight:500;font-variant-numeric:tabular-nums}.metrics span{display:block;font-size:10px;margin-top:4px;color:#849078}#feel{font-size:12px;margin:12px 0 18px;color:#768446}.toggle{font-size:11px;display:flex;align-items:center;gap:4px}.toggle input{accent-color:#8eaa25}.toggle span{margin-left:auto;font-size:9px;color:#8b9481}table{border-collapse:collapse;width:100%;font-size:11px;font-variant-numeric:tabular-nums;margin-top:22px}caption{text-align:left;font-size:12px;padding-bottom:10px}caption span{float:right;font-size:10px;color:#98a08f}th{font-weight:400;color:#929d8a;text-align:left;font-size:10px}th,td{padding:9px 7px;border-bottom:1px solid var(--line)}tbody tr.active{background:#e7edd6}tbody tr.active td:first-child{font-weight:800}.assembly-box{margin:21px 0}.section-line{display:flex;justify-content:space-between;align-items:center}h3{font-size:12px;margin:0;font-weight:500}.section-line span{font-size:10px;color:#8e9785}#washer-tray{display:flex;gap:9px;margin:14px 0}#washer-tray button{border:6px solid #b9a06c;background:transparent;border-radius:50%;width:24px;height:24px;padding:0;box-shadow:inset 0 0 0 1px #8d7648,0 1px 2px #0002;transition:.2s}#washer-tray button.installed{border-color:#dbe0d3;box-shadow:none}#washer-tray button:nth-child(5){margin-left:9px}.washer-actions{display:flex;gap:8px}.washer-actions button,.part-actions button{font-size:11px;padding:9px 12px;border:1px solid var(--line);background:#ffffff90;border-radius:5px;flex:1}#action-status{font-size:10px;color:#89927e;line-height:1.6;min-height:30px;margin:9px 0 0}details{border-top:1px solid var(--line);padding-top:15px}summary{font-size:12px;cursor:pointer;list-style:none;margin-bottom:14px}summary span{float:right;color:#8b967f;font-size:10px}details label{font-size:10px;color:#849078}select{display:block;width:100%;font-size:12px;border:1px solid var(--line);padding:9px;border-radius:5px;background:#fbfcf8;color:#4d5846;margin:7px 0}#part-info{font-size:11px;line-height:1.8;color:#718062;margin:12px 0;min-height:42px}.part-actions{display:flex;gap:8px}.appearance h3{margin:20px 0 10px}.swatches{display:flex;gap:11px;margin:12px 0}.swatches button{width:23px;height:23px;border:2px solid #f3f4f1;outline:1px solid transparent;border-radius:50%;background:var(--c)}.swatches button.chosen{outline-color:#67775b}.text-button{font-size:11px;border:0;border-bottom:1px solid #b4c49c;background:none;padding:5px 0;color:#667c48}.note{font-size:10px;color:#98a08f;line-height:1.7}footer{grid-column:1/3;border-top:1px solid var(--line);display:flex;gap:28px;align-items:center}.mode-buttons{display:flex;gap:6px;flex-wrap:wrap}.mode-buttons button{border:0;background:none;font-size:12px;padding:9px 12px;border-radius:25px}.mode-buttons button.active{background:#263327;color:white}.scrub{flex:1;max-width:380px;margin-left:auto}.scrub label{display:flex;justify-content:space-between;font-size:10px;color:#7f8c75}.scrub input{width:100%;accent-color:#8fa331;cursor:ew-resize}#reassemble{border:0;background:none;font-size:11px;color:#718362}@media(max-width:1100px){.stage{padding:0 22px;grid-template-columns:minmax(0,1fr) 315px}.panel{padding-left:18px}.metrics{gap:23px}.view-tools{top:8px}.scene-title{top:48px}.scene-title h1{font-size:52px}.scene-bottom span:last-child{display:none}footer{gap:10px}.mode-buttons button{padding:8px;font-size:10px}}@media(max-width:700px){main{height:330vh}.stage{height:100svh;min-height:700px;padding:0 18px;grid-template-columns:1fr;grid-template-rows:65px minmax(235px,43%) minmax(180px,1fr) 93px}header{grid-column:1;gap:18px}.brand{font-size:20px}.product{font-size:10px}.lab{display:none}.scene{grid-row:2}.scene-title{top:16px}.scene-title h1{font-size:36px;letter-spacing:-2px;margin:8px 0}.scene-title>span{font-size:8px}.scene-title p{display:none}#viewport{inset:0 0 15px}.view-tools{top:6px;right:0;gap:3px}.view-tools button{width:28px;height:28px;min-width:28px;font-size:13px}#tail-view{width:auto;font-size:9px!important;padding:0 8px}.scene-bottom{bottom:0;right:0;font-size:9px}.panel{grid-row:3;border-left:0;border-top:1px solid var(--line);padding:13px 2px 12px}.panel-head{display:none}.counts{margin:9px 0 13px;gap:7px}.counts button{padding:6px 0;display:flex;align-items:center;justify-content:center;gap:10px}.counts b{font-size:22px}.counts small{margin:0;font-size:9px}.metrics{gap:35px}.metrics strong{font-size:28px}.metrics span{font-size:9px}.toggle{font-size:10px}#feel{margin:8px 0 10px}table{margin-top:13px}footer{grid-column:1;grid-row:4;gap:8px;flex-wrap:wrap;padding:10px 0;justify-content:space-between;align-content:center}.mode-buttons{gap:1px}.mode-buttons button{font-size:10px;padding:7px}.scrub{flex-basis:100%;max-width:none;order:3;margin:0}.scrub label{display:none}#reassemble{font-size:10px}#measure-label{padding:5px 8px}#measure-label strong{font-size:17px}#measure-label span{font-size:8px}}

.custom-color{display:flex;align-items:center;gap:9px;font-size:11px;margin:12px 0 18px;color:#65726d}.custom-color input{padding:2px;width:34px;height:28px;border:1px solid #cbd3cb;border-radius:5px;background:white;cursor:pointer}.custom-color span{font-size:10px;font-variant-numeric:tabular-nums}.swatches button{box-shadow:inset 0 0 0 1px #00000015}

.language{font-size:12px;color:#415148;text-decoration:none;border:1px solid #bdc8bc;padding:6px 10px;border-radius:15px;margin-left:auto}.language+.lab{margin-left:0}html[lang="en"] .metrics strong{font-size:32px}html[lang="en"] .toggle{flex-wrap:wrap;gap:7px}html[lang="en"] .mode-buttons button{padding:9px;font-size:11px}html[lang="en"] .product span{display:none}html[lang="en"] .count-label span{font-size:9px}html[lang="en"] .custom-color{flex-wrap:wrap}@media(max-width:700px){html[lang="en"] .mode-buttons button{font-size:9px;padding:6px}html[lang="en"] #tail-view{font-size:9px}html[lang="en"] .counts small{font-size:8px}html[lang="en"] .metrics strong{font-size:28px}html[lang="en"] .scrub{width:100%}}

/* Refined brand, input and responsive layout */
:root{--accent:#b8dfe1;--line:#28434c1c;background:#edf1f3;color:#253238}.stage{background:radial-gradient(ellipse at 30% 42%,#fff 0,#f2f6f7 52%,#e7eef0 100%);grid-template-rows:82px minmax(0,1fr) 118px;min-height:0}.brand{display:flex;align-items:center}.brand img{width:166px;height:auto;display:block}.product{font-size:11px;letter-spacing:3px}.scene-title h1{color:#d8e4e7;font-weight:800}.scene-title>span{color:#677e89}.scene:before{content:'';position:absolute;inset:14% 9% 13%;border:1px solid #c9d9df55;border-radius:50%;box-shadow:0 0 90px #ffffffa8,inset 0 0 60px #ffffff55;pointer-events:none}.panel{background:#ffffff65;padding:23px 18px 22px 25px;border-left:1px solid #ffffffaa;scrollbar-color:#bccbd0 transparent}.panel-head p{color:#ab3040}.panel-head h2{letter-spacing:-.8px}.counts button{background:#ffffff85;box-shadow:0 2px 5px #344d5506;transition:background 160ms,box-shadow 160ms,transform 160ms}.counts button.active{box-shadow:0 3px 12px #5b9ba51c}.counts button:hover:not(:disabled){transform:translateY(-1px)}.counts small,.metrics span,.note,details label{color:#697f88}#feel{color:#477780}tbody tr.active{background:#deecee}#viewport{touch-action:none;user-select:none;-webkit-user-select:none}#viewport.dragging{cursor:grabbing}.panel{touch-action:pan-y}.view-tools button{min-width:38px;height:38px;box-shadow:0 3px 10px #29465609}.mode-buttons button.active{background:#263d47}.scrub input,.toggle input{accent-color:#528e99}.swatches button{width:29px;height:29px;border:3px solid #fff;transition:transform 160ms,outline-color 160ms}.swatches button:hover{transform:scale(1.12)}.swatches button.chosen{outline-color:#427782}.factory-note{font-size:11px;color:#934653;background:#f8ebed;border-left:2px solid #c84355;padding:8px 10px;line-height:1.55;margin:8px 0 12px}.note{line-height:1.8}.reference-note{position:absolute;bottom:9px;left:0;right:0;text-align:center;font-size:10px;color:#7a8b92;letter-spacing:.3px}footer{position:relative;padding-bottom:20px}button,a,input,select{ -webkit-tap-highlight-color:transparent}.language{background:#ffffff88}.language:hover{background:white}.washer-actions button,.part-actions button,select{min-height:38px;border-radius:8px}.custom-color input{width:40px;height:32px}#loading{background:#f3f7f8}.scene-bottom{font-size:10px;color:#748993}button{transition:background 150ms,box-shadow 150ms}#measure-label{background:#f7fbf7ed}.scrub input{height:22px}
@media(max-width:1100px){.panel{padding-left:16px;padding-right:8px}.brand img{width:145px}}
@media(max-width:700px){.stage{height:100dvh;min-height:0;padding:0 14px;grid-template-rows:60px minmax(190px,39%) minmax(130px,1fr) 114px}.brand img{width:128px}.product{font-size:9px;letter-spacing:2px}header{gap:15px}.panel{padding:12px 6px 18px;background:#ffffff82;border-radius:15px 15px 0 0}.scene:before{inset:10% 10% 7%}.scene-title{top:18px}.scene-title h1{font-size:30px}.view-tools button{height:36px;min-width:36px;width:36px}.view-tools{top:5px;gap:4px}#tail-view{width:auto}.scene-title>span{font-size:7px}.counts button{min-height:43px}.mode-buttons button{min-height:36px}.scrub input{height:26px}.swatches{gap:15px}.swatches button{width:36px;height:36px}.factory-note{font-size:11px}footer{padding:8px 0 24px;gap:3px}.reference-note{font-size:9px;bottom:5px}.language{min-height:34px;display:grid;place-items:center}.scene-bottom span:last-child{display:none}#part-label{left:8px;bottom:18px;max-width:95%;font-size:10px}.washer-actions button,.part-actions button,select{min-height:42px}#measure-label strong{font-size:16px}}
@media(max-height:540px) and (min-width:701px){.stage{grid-template-rows:54px minmax(0,1fr) 90px;padding:0 20px;grid-template-columns:minmax(0,1fr) 310px}.brand img{width:135px}.scene-title h1{font-size:40px}.scene-title{top:45px}.view-tools{top:5px}.panel{padding-top:10px}.panel-head{display:none}#viewport{inset:0 0 25px}.reference-note{bottom:5px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.variant-picker{margin:0 0 20px;padding-bottom:15px;border-bottom:1px solid var(--line)}.variant-heading{display:flex;justify-content:space-between;font-size:11px;letter-spacing:1px;margin-bottom:10px}.variant-heading span{font-size:10px;color:#6a818b;letter-spacing:0}.variant-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px}.variant-row button{border:1px solid #c8d6db;background:#ffffff94;border-radius:9px;padding:10px 3px;display:flex;align-items:center;flex-direction:column;gap:8px;min-height:72px}.variant-row button.active{border-color:#497f8b;background:#e4f0f2;box-shadow:inset 0 0 0 1px #497f8b}.variant-row i{display:block;width:30px;height:30px;border-radius:50%;background:linear-gradient(125deg,var(--handle) 0 56%,var(--accent) 56%);box-shadow:inset 0 0 0 1px #0002}.variant-row span{font-size:11px;white-space:nowrap}.variant-hint{font-size:10px;color:#72858d;margin:10px 0 0}.panel-head h2{margin-bottom:16px}@media(max-width:700px){.variant-picker{margin-bottom:13px;padding-bottom:12px}.variant-row button{flex-direction:row;min-height:46px;justify-content:center;gap:5px;padding:7px 2px}.variant-row i{width:21px;height:21px;flex-shrink:0}.variant-row span{font-size:9px}.variant-hint{margin-top:7px}.variant-heading{font-size:10px;margin-bottom:7px}}