@font-face{font-family:Barlow;src:url('assets/Barlow-Regular.ttf');font-display:swap}@font-face{font-family:Barlow;src:url('assets/Barlow-SemiBold.ttf');font-weight:600;font-display:swap}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#fff;color:#142d3e;font-family:Barlow,'Microsoft YaHei','PingFang SC',sans-serif;font-size:15px;line-height:1.6}button,input,textarea{font:inherit}button,a,input{touch-action:manipulation}button,a{transition:background .18s,color .18s,border-color .18s}button{cursor:pointer;border:1px solid #d8e1e6;background:#fff;color:#245d83;border-radius:3px;padding:8px 13px;min-height:40px}button:hover{background:#e7eff4;border-color:#a6bbc8}button:disabled{opacity:.45;cursor:default}a{color:#245d83;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,#viewport:focus-visible{outline:3px solid #2684bd;outline-offset:3px}[hidden]{display:none!important}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600;line-height:1.3}.wrap{width:min(1320px,calc(100% - 80px));margin-inline:auto}.preview-note{padding:6px 40px;background:#edf4f8;color:#31566d;font-size:12px;display:flex;gap:20px;border-bottom:1px solid #d8e1e6}.preview-note a{margin-left:auto}.preview-note span{color:#637986}.site-header{height:90px;padding:0 40px;display:flex;align-items:center;gap:34px;border-bottom:1px solid #d8e1e6;background:#fff;position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;margin-right:auto}.brand img{width:174px;height:auto}.site-header nav{display:flex;gap:28px;align-items:center}.site-header nav a{height:90px;display:flex;align-items:center;position:relative;color:#536571}.site-header nav a[aria-current]{color:#245d83}.site-header nav a[aria-current]:after{content:'';height:2px;background:#245d83;position:absolute;bottom:19px;inset-inline:0}.primary{background:#245d83;color:#fff;border-color:#245d83;font-weight:600;min-height:46px}.primary:hover{background:#164667;color:white;border-color:#164667}#cart-count{background:#ffffff22;padding:2px 7px;margin-left:6px;border-radius:2px}.intro{padding-top:32px;padding-bottom:26px;display:flex;justify-content:space-between;align-items:end}.breadcrumb{font-size:12px;color:#718390;margin-bottom:15px}h1{font-size:clamp(25px,2.7vw,38px);letter-spacing:-1px}.intro p{color:#627684;margin-top:10px}.collection-link{white-space:nowrap;padding-bottom:7px}.collection-link strong{font-size:24px;font-weight:600;margin:0 5px}.collection-link span{margin-left:16px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 300px;border:1px solid #d8e1e6}.stage-column{min-width:0}.stage-heading{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;background:#f6f8fa;gap:15px}.stage-heading h2{font-size:23px;margin-top:3px}.category-label{font-size:12px;color:#637986}.step-model{display:flex;align-items:center;gap:12px}.step-model button{border:0;background:transparent;font-size:20px}.step-model span{font-size:13px;color:#637986;white-space:nowrap}#viewport{height:465px;position:relative;background:#f0f5f7;overflow:hidden;isolation:isolate}#viewport canvas{display:block;position:absolute;inset:0;width:100%;height:100%;cursor:grab;touch-action:none}#viewport canvas:active{cursor:grabbing}.stage-corner{position:absolute;top:16px;left:24px;z-index:2;display:flex;align-items:center;gap:8px;font-size:12px;color:#526e7d;pointer-events:none}.live-dot{width:6px;height:6px;background:#408477;border-radius:50%}#stage-type{margin-left:5px;color:#8b9da7}.vertical-tools{position:absolute;right:15px;top:50%;transform:translateY(-50%);z-index:3;display:flex;flex-direction:column;gap:5px}.vertical-tools button{width:37px;height:37px;min-height:37px;padding:0;background:#fffffff0;font-size:22px;border-color:#d9e3e9}.stage-instructions{position:absolute;bottom:17px;left:24px;font-size:12px;color:#607884;pointer-events:none;z-index:2;background:#f0f5f7c9;padding:2px 6px}.stage-instructions span{margin:0 8px}.view-toolbar{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:12px;border-top:1px solid #d8e1e6}.view-buttons,.render-buttons{display:flex;gap:3px}.view-toolbar button{border:0;font-size:13px;padding:6px 10px;min-height:35px}.view-toolbar button.active,.view-toolbar button[aria-pressed=true]{background:#e7eff4;color:#164667}.explode-control{display:flex;align-items:center;gap:14px;border-top:1px solid #e5ebef;padding:12px 22px;font-size:13px}.explode-control label{white-space:nowrap}.explode-control small{color:#7c8d98;margin-left:6px;font-size:11px}.explode-control input{width:100%;min-width:50px;accent-color:#245d83}.explode-control output{min-width:35px;color:#647b88}.explode-control button{font-size:12px;min-height:30px;padding:4px 9px;white-space:nowrap}.detail-panel{border-left:1px solid #d8e1e6;padding:23px 22px 18px;display:flex;flex-direction:column;min-width:0}.section-kicker{font-size:12px;color:#688393;display:block;margin-bottom:9px}.panel-top p{font-size:13px;color:#627684;line-height:1.8}.panel-tab-row{display:flex;justify-content:space-between;align-items:center;margin-top:23px}.panel-tab-row h3{font-size:16px}.panel-tab-row span{font-size:12px;color:#7b8b95}.parts-hint{font-size:11px;color:#85939b;margin:5px 0 12px}.parts-list{max-height:225px;min-height:140px;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#c1d2dc transparent}.part-item{display:flex;align-items:center;gap:9px;width:100%;border:0;border-bottom:1px solid #edf1f4;text-align:left;border-radius:0;padding:8px 7px;font-size:13px;color:#506877;min-height:35px}.part-item .part-dot{height:6px;width:6px;border:1px solid #90a8b7;border-radius:50%;flex:none}.part-item.active{background:#e7eff4;color:#164667}.part-item.active .part-dot{background:#245d83}.part-item small{margin-left:auto;color:#8b9da7}.selection-controls{display:flex;gap:8px;margin:12px 0 18px}.selection-controls button{font-size:12px;flex:1;min-height:33px;padding:5px}.selection-controls button[aria-pressed=true]{background:#245d83;color:#fff}.related-doc{border-top:1px solid #d8e1e6;padding-top:15px;margin-top:auto}.related-doc>span{font-size:12px;color:#6e828e}.related-doc button{border:0;padding:6px 0;text-align:left;display:flex;justify-content:space-between;align-items:center;width:100%;font-size:13px;min-height:32px}.related-doc small{font-size:11px;color:#83949e;line-height:1.5;display:block}.panel-bottom{margin-top:20px}.panel-bottom button{display:flex;width:100%;justify-content:space-between;align-items:center;font-size:13px}.panel-bottom small{display:block;color:#8a9aa4;font-size:10px;text-align:center;margin-top:8px}.model-footnote{display:flex;justify-content:space-between;gap:10px;color:#81919d;font-size:11px;padding-top:10px}.collection-section{padding-top:62px;padding-bottom:66px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:25px;margin-bottom:25px}.section-heading h2{font-size:28px;letter-spacing:-.5px}.section-heading p{font-size:14px;color:#6c808e;margin-top:10px}.search{display:flex;align-items:center;border-bottom:1px solid #b9cbd6;gap:10px;padding:4px 2px;min-width:220px}.search>span{font-size:25px;color:#7d94a2}.search input{border:0;background:transparent;min-width:0;width:100%;font-size:13px;padding:8px;color:#142d3e;outline-offset:5px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:25px}.filters button,.doc-filters button{border:0;background:#f0f5f7;font-size:13px;padding:8px 16px}.filters button.active,.doc-filters button.active{background:#245d83;color:#fff}.filters button small{margin-left:8px;opacity:.65}.model-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.model-card{padding:0;display:block;text-align:left;border:0;border-bottom:2px solid transparent;border-radius:0;color:#142d3e;background:transparent;overflow:hidden}.model-card:hover{background:transparent;border-color:#b6cbd8}.model-card.active{border-color:#245d83}.card-image{height:176px;background:#f0f5f7;position:relative;overflow:hidden}.card-image img{height:100%;width:100%;object-fit:contain;transition:transform .3s}.model-card:hover img{transform:scale(1.035)}.card-image .card-badge{position:absolute;bottom:10px;right:10px;font-size:10px;background:#ffffffd9;padding:2px 7px;color:#68818f}.card-info{padding:13px 0 15px}.card-info>span{font-size:11px;color:#8a9ba5}.card-info h3{font-size:16px;margin:4px 0 6px}.card-info p{font-size:12px;color:#79909e}.card-info p b{font-weight:400;color:#245d83;float:right}.qualifications-section{padding:58px 0;background:#f0f5f7}.doc-filters{display:flex;gap:6px;white-space:nowrap}.doc-filters button{background:#fff}.certificate-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.certificate-card{border:0;padding:0;background:transparent;text-align:left;color:#142d3e;border-radius:0}.certificate-card:hover{background:transparent}.certificate-paper{height:220px;display:flex;align-items:center;justify-content:center;background:#e4edf2;overflow:hidden;padding:16px;position:relative}.certificate-paper img{height:100%;max-width:100%;object-fit:contain;filter:drop-shadow(0 2px 4px #152d3e18);transition:transform .2s}.certificate-card:hover img{transform:scale(1.04)}.certificate-paper span{position:absolute;bottom:10px;right:10px;background:#fff;padding:3px 8px;font-size:10px;color:#4e6d7f}.certificate-card h3{font-size:15px;margin-top:13px}.certificate-card p{font-size:12px;color:#6a808e;margin-top:5px}.qual-note{color:#788e9b;font-size:12px;margin-top:25px;max-width:900px}.contact-strip{padding-block:50px;display:flex;justify-content:space-between;align-items:center;gap:24px}.contact-strip h2{font-size:26px}.contact-strip p{color:#7a8f9d;margin-top:9px;font-size:14px}.footer{padding:24px 40px;display:flex;justify-content:space-between;gap:20px;background:#102d3e;color:#b9cbd6;font-size:12px}#loading{position:absolute;inset:0;z-index:8;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#f0f5f7ef;color:#245d83}#loading small{font-size:12px;color:#718998}.spinner{height:27px;width:27px;border:2px solid #d2e1e9;border-top-color:#245d83;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#hotspots{position:absolute;inset:0;z-index:2;pointer-events:none}.hotspot{position:absolute;transform:translate(-50%,-50%);pointer-events:auto;border:1px solid #a9bdc9;border-radius:3px;background:#ffffffef;padding:3px 8px;min-height:27px;font-size:11px;box-shadow:0 2px 10px #243c4c0a}.hotspot:before{content:'';display:inline-block;width:5px;height:5px;border-radius:50%;background:#245d83;margin-right:5px}#selection-tag{position:absolute;bottom:18px;right:18px;padding:4px 10px;background:#245d83;color:white;font-size:11px;z-index:3}#viewport:fullscreen{width:100vw;height:100vh}dialog{border:0;border-radius:5px;padding:0;box-shadow:0 18px 70px #102b3d40;color:#142d3e;max-width:calc(100vw - 32px)}dialog::backdrop{background:#102b3dbb;backdrop-filter:blur(3px)}.dialog-header{display:flex;align-items:start;justify-content:space-between;gap:20px;padding:22px 25px;border-bottom:1px solid #d8e1e6}.dialog-header h2{font-size:20px}.dialog-header p{font-size:12px;color:#6c808d;margin-top:7px;max-width:650px}.close-dialog{font-size:25px;padding:0;width:36px;min-height:36px;flex:none;border:0}.doc-toolbar{display:flex;align-items:center;gap:10px;padding:10px 20px;background:#fff}.doc-toolbar button{padding:4px 10px;min-height:33px}.doc-toolbar a{font-size:12px;margin-left:10px}.doc-toolbar>span{font-size:12px}.toolbar-spacer{flex:1}#doc-dialog{width:960px;height:min(90vh,1000px)}#doc-image-wrap{height:calc(100% - 150px);overflow:auto;background:#e5edf2;padding:22px;text-align:center}#doc-image{width:auto;height:100%;max-width:none;display:block;margin-inline:auto;object-fit:contain}#inquiry-dialog{width:640px}#inquiry-items{max-height:310px;overflow:auto;padding:5px 25px}.inquiry-item{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:15px 0;border-bottom:1px solid #e6edf1}.inquiry-item strong{font-size:14px}.inquiry-item small{display:block;font-size:11px;color:#8194a0}.inquiry-item button{font-size:12px;min-height:32px;padding:4px 10px}.empty-inquiry{padding:30px 0;color:#79909f}.inquiry-notes{display:block;margin:20px 25px 0;font-size:13px}.inquiry-notes textarea{display:block;resize:vertical;width:100%;border:1px solid #c5d3dd;margin-top:8px;padding:10px;font-size:13px}.inquiry-actions{display:flex;gap:12px;padding:22px 25px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#164667;color:#fff;z-index:100;padding:12px 22px;font-size:13px;box-shadow:0 8px 30px #142d3e33;max-width:calc(100vw - 40px);text-align:center;border-radius:3px}.single-file .original-link{display:none!important}
@media(min-width:1600px){#viewport{height:550px}.parts-list{max-height:310px}}@media(max-width:1100px){.wrap{width:calc(100% - 48px)}.site-header{padding:0 24px;gap:20px}.site-header nav{gap:18px}.workspace{grid-template-columns:minmax(0,1fr) 260px}.detail-panel{padding:18px 16px}.stage-heading{padding:16px 18px}#viewport{height:430px}.view-toolbar{padding:10px;flex-wrap:wrap;gap:5px}.explode-control{padding:10px 14px;gap:9px}.explode-control small{display:none}.card-image{height:150px}.model-grid{gap:18px}.certificate-grid{gap:18px}.certificate-paper{height:185px}.intro h1{font-size:30px}}
@media(max-width:760px){.wrap{width:calc(100% - 32px)}.preview-note{padding:5px 16px;font-size:10px;gap:10px}.preview-note>span{display:none}.site-header{height:68px;padding:0 16px;gap:12px}.brand img{width:115px}.site-header nav{gap:14px}.site-header nav a{height:68px;font-size:12px}.site-header nav a[aria-current]:after{bottom:10px}.site-header nav .original-link{display:none}.site-header>.primary{font-size:11px;min-height:35px;padding:6px 9px}.intro{padding-top:24px;display:block;padding-bottom:22px}.breadcrumb{font-size:10px;margin-bottom:12px}.intro h1{font-size:26px}.intro p{font-size:12px;margin-top:10px;line-height:1.8}.collection-link{display:none}.workspace{display:flex;flex-direction:column}.stage-heading h2{font-size:19px}.stage-heading{padding:14px}.step-model{gap:4px}.step-model button{padding:6px 10px}.step-model span{font-size:11px}#viewport{height:380px}.stage-corner{top:12px;left:14px;font-size:10px}.stage-instructions{left:10px;bottom:10px;font-size:10px}.stage-instructions span{margin:0 3px}.vertical-tools{right:10px}.vertical-tools button{min-height:35px;width:35px;height:35px}.view-toolbar{justify-content:center;gap:8px;padding:10px 5px}.view-toolbar button{font-size:11px;padding:7px;min-height:35px}.render-buttons{gap:0}.view-buttons{gap:0}.explode-control{font-size:12px;padding:12px}.explode-control label{font-size:11px}.detail-panel{border-left:0;border-top:1px solid #d8e1e6;padding:18px}.panel-top{display:none}.panel-tab-row{margin-top:0}.parts-list{max-height:140px;min-height:0;display:grid;grid-template-columns:1fr 1fr;gap:0 10px}.parts-hint{margin-bottom:8px}.part-item{font-size:12px;min-height:35px}.selection-controls{margin:12px 0}.related-doc{padding-top:12px}.panel-bottom{margin-top:13px}.panel-bottom small{font-size:10px}.panel-bottom button{min-height:44px}.model-footnote{font-size:10px;display:block}.model-footnote>span:last-child{display:block;margin-top:3px}.collection-section{padding:40px 0}.section-heading{display:block;margin-bottom:20px}.section-heading h2{font-size:24px}.section-heading p{font-size:12px}.search{margin-top:18px;max-width:100%;min-width:0}.filters{gap:6px;margin-bottom:20px}.filters button{font-size:11px;padding:6px 10px;min-height:34px}.filters button small{margin-left:4px}.model-grid{grid-template-columns:1fr 1fr;gap:16px 12px}.card-image{height:140px}.card-info h3{font-size:14px}.card-info p{font-size:10px}.card-info>span{font-size:10px}.card-info{padding:9px 0 12px}.card-image .card-badge{font-size:9px;right:5px;bottom:6px}.qualifications-section{padding:35px 0}.doc-filters{margin-top:18px}.doc-filters button{font-size:12px;padding:6px 14px;min-height:36px}.certificate-grid{grid-template-columns:1fr 1fr;gap:22px 14px}.certificate-paper{height:190px;padding:12px}.certificate-card h3{font-size:13px}.certificate-card p{font-size:10px}.qual-note{font-size:10px}.contact-strip{padding-block:35px;display:block}.contact-strip h2{font-size:23px}.contact-strip p{font-size:12px}.contact-strip button{margin-top:20px;font-size:13px}.footer{padding:22px 16px;display:block;font-size:10px}.footer span{display:block;margin-top:4px}.dialog-header{padding:16px}.dialog-header h2{font-size:17px}.dialog-header p{font-size:11px}.doc-toolbar{gap:6px;padding:8px 12px}.doc-toolbar a{font-size:10px;margin-left:0}.doc-toolbar button{min-height:34px;padding:4px 9px}#doc-dialog{height:88vh}#doc-image-wrap{padding:12px;height:calc(100% - 170px)}#inquiry-items{padding:0 16px}.inquiry-notes{margin:18px 16px 0}.inquiry-actions{padding:18px 16px;gap:8px}.inquiry-actions button{font-size:12px}#selection-tag{bottom:36px;right:12px;font-size:10px}html{scroll-padding-top:82px}}
.brochure-section{background:#e7eff4;padding:55px 0 38px}.book-stage{display:flex;align-items:center;justify-content:center;padding:24px 20px 30px;overflow:hidden;min-height:560px;background:#dce7ee}.book-stage #book{margin:auto}.book-page{background:#fff;overflow:hidden;color:#142d3e;box-shadow:inset 0 0 20px #142d3e0a}.page-inner{height:100%;position:relative;padding:28px 32px;display:flex;flex-direction:column}.page-top{display:flex;justify-content:space-between;border-bottom:1px solid #d8e1e6;padding-bottom:10px;font-size:10px;color:#7e939f}.book-page h3{font-size:25px;margin-top:22px;letter-spacing:-.5px}.book-model{width:100%;height:42%;object-fit:contain;mix-blend-mode:multiply;margin:8px 0 15px}.book-page p{font-size:12px;color:#6d8491;line-height:1.8}.book-detail{display:grid;grid-template-columns:80px 1fr;gap:5px;margin:14px 0;font-size:10px}.book-detail span{color:#91a0a9}.book-detail strong{font-weight:400;color:#5f798a}.book-model-link{font-size:11px;align-self:start;min-height:34px;padding:5px 12px}.page-footer{font-size:9px;color:#8b9da7;margin-top:auto;display:flex;justify-content:space-between;padding-top:12px;border-top:1px solid #e3ebef;gap:12px}.book-cover{background:#f8fafb}.book-logo{width:125px;object-fit:contain;align-self:start}.book-cover-label{margin-top:25px}.book-cover h3{font-size:40px;line-height:1.3;margin-top:15px}.book-cover .book-hero{width:100%;height:43%;object-fit:contain;mix-blend-mode:multiply;margin:6px 0}.book-cover p{max-width:280px;margin-top:24px}.book-cover .primary{align-self:start;margin-top:26px;font-size:12px}.book-controls{display:flex;gap:14px;align-items:center;font-size:13px;color:#6f8795}.book-controls button{width:42px}.book-caption{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:12px;color:#78909d}.book-caption button{font-size:12px;background:transparent;border:0}.book-page.--left{border-right:1px solid #dbe5eb}.book-page.--right{border-left:1px solid #e7eef2}
@media(max-width:760px){.brochure-section{padding:35px 0 25px}.book-controls{margin-top:18px}.book-stage{padding:15px 0;min-height:430px}.page-inner{padding:22px}.book-page h3{font-size:22px;margin-top:15px}.book-cover h3{font-size:33px}.book-model{margin:5px 0 8px;height:40%}.book-detail{margin:10px 0;font-size:9px}.book-page p{font-size:10px}.book-model-link{font-size:10px;min-height:32px}.page-footer{font-size:8px}.book-caption{font-size:10px}.book-caption button{font-size:10px}.site-header nav{gap:12px}.site-header nav a[href="#qualifications"]{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* Desktop material and complete object navigation, revision 2 */
#viewport{background:#c4cfd8}.parts-list{max-height:280px!important;min-height:180px;overflow-y:scroll}.part-group{border-bottom:1px solid #d8e2e9}.part-group summary{cursor:pointer;padding:11px 4px;font-weight:600;color:#233e52}.part-group .part-item{font-size:11px;padding-left:12px;width:100%;text-align:left}.part-item.active{background:#fff0d9!important;color:#713000!important;border-left:3px solid #ed7800}#selection-tag{background:#8b3c00;color:white;max-width:75%;padding:9px 14px}#selected-detail{line-height:1.7;min-height:44px}.selection-controls button:disabled{opacity:.4}

.part-item.part-hidden{color:#687786;background:#edf0f3}.part-item.part-hidden::after{content:"已隐藏";font-size:10px;margin-left:auto;white-space:nowrap}#hidden-status{line-height:1.6}

.material-legend{position:absolute;z-index:2;left:22px;top:47px;display:flex;flex-wrap:wrap;gap:8px 14px;max-width:85%;font-size:11px;color:#243c4b;background:#ffffffd9;padding:8px 10px;border-radius:3px;pointer-events:none}.material-legend span{display:flex;align-items:center;gap:6px}.material-legend i{display:inline-block;width:10px;height:10px;border-radius:2px}.metal-swatch{background:linear-gradient(135deg,#586975,#c8d1d8)}.example-swatch{background:#a94d40}.selected-swatch{background:#ff7800}