:root{--amber:#f3b43f;--forest:#1d2a2e;--sage:#a5afa8;--ivory:#f8f5ea;--blue:#1d2a2e;--deep:#1d2a2e;--ink:#1d2a2e;--muted:#596966;--line:#dce1d9;--light:#f8f5ea;--orange:#f3b43f;--max:1380px;--ease:cubic-bezier(.2,.65,.25,1);font-family:Arial,"Microsoft YaHei","微软雅黑",sans-serif;color:var(--forest);background:#fff}
body{font-family:Arial,"Microsoft YaHei","微软雅黑",sans-serif}button,input,textarea{font-family:inherit}::selection{color:var(--forest);background:var(--amber)}:focus-visible{outline:3px solid #9d711d;outline-offset:3px}.wrap{width:min(var(--max),calc(100% - 96px))}.utility{height:30px;background:var(--forest);color:#dce1d9}.utility .wrap{font-size:11px;letter-spacing:.06em}.utility button{font-size:11px;color:#dce1d9}.header{background:white;box-shadow:0 2px 18px #1d2a2e08}.header-inner,.header.is-scrolled .header-inner{min-height:91px}.brand{width:246px;height:76px;display:flex;align-items:center;padding:0}.brand img{width:246px;height:auto;max-height:76px;object-fit:contain}.header-actions{gap:24px}.header-caption{display:grid;gap:2px;font-size:11px;color:#68736d;letter-spacing:.08em;border-left:1px solid var(--line);padding-left:24px}.header-caption strong{font-size:16px;font-weight:500;letter-spacing:.03em;color:var(--forest)}.search-toggle{border:1px solid var(--line);border-radius:0;background:transparent}.nav-shell{background:var(--forest)}.header nav{height:51px;justify-content:space-between;gap:0}.header nav>a,.nav-drop>a{color:#fff;font-size:14px;height:51px;padding:0 32px;position:relative}.header nav>a:hover,.nav-drop:hover>a,.header nav [aria-current=page]{color:var(--forest);background:var(--amber)}.drop-toggle{color:white}.dropdown{color:var(--forest);border-color:var(--amber);box-shadow:0 15px 30px #1d2a2e16}.mega{grid-template-columns:repeat(4,minmax(0,1fr));width:100%;left:0;gap:30px}.mega a{color:#53625e}.mega h3 a{color:var(--forest)}.mega a:hover,.dropdown a:hover{color:#805914}.button{border-radius:0;background:var(--amber);color:var(--forest);border:1px solid var(--amber);font-size:14px;min-height:46px;padding:12px 25px;gap:24px;display:inline-flex;align-items:center;justify-content:center;font-weight:500}.button:hover{background:var(--forest);color:white;border-color:var(--forest);box-shadow:none;transform:translateY(-1px)}.button.secondary{background:transparent;border:1px solid #b6beb5;color:var(--forest)}.button.secondary:hover{background:var(--ivory)}.eyebrow{font:11px/1.5 Arial,sans-serif;letter-spacing:.16em;color:#63736c;display:flex;align-items:center;gap:10px}.eyebrow:before{content:"";width:19px;height:2px;background:var(--amber)}.section{padding:70px 0}.section-head{margin-bottom:31px;padding-bottom:24px;border-bottom:1px solid var(--line)}.section-head h2{font-size:28px;font-weight:500;letter-spacing:.05em;margin-top:11px}.text-link{font-size:13px;color:var(--forest);border-bottom:1px solid #adb7a9;padding-bottom:5px}.text-link:after{display:none}.text-link:hover{border-color:var(--amber);color:#856016}
/* A product-led, interactive cover. */
.hero{background:var(--forest);color:var(--ivory);overflow:hidden;position:relative;border:0}.hero:before{display:none}.hero-inner{display:grid;grid-template-columns:.95fr 1.15fr;gap:30px;min-height:620px;padding-top:43px;padding-bottom:95px;align-items:center;position:relative}.hero-copy{padding-right:15px;position:relative;z-index:1}.hero .eyebrow{color:#bfc8ba;font-size:10px}.hero h1{font-size:clamp(34px,3.3vw,50px);font-weight:500;line-height:1.48;letter-spacing:.04em;margin:22px 0}.hero h1 span{color:var(--amber);font-size:.93em}.hero-copy>p{font-size:14px;line-height:2;max-width:420px;color:#c5cfc6}.hero .actions{gap:13px;margin-top:30px}.hero .button.secondary{color:var(--ivory);border-color:#69766a}.hero .button:hover{background:var(--ivory);color:var(--forest);border-color:var(--ivory)}.hero .button.secondary:hover{background:#34433e;color:white;border-color:#69766a}.hero-brand-line{margin-top:40px;display:flex;align-items:center;gap:10px;font-size:11px;color:#b7c3b6;letter-spacing:.14em}.hero-brand-line>span{display:block;width:6px;height:6px;background:var(--amber)}.hero-media{padding:0;position:relative;background:#f4c05e;min-width:0;box-shadow:18px 18px 0 #141f2273;margin:7px 16px 0 0}.hero-media:before{content:"";position:absolute;inset:0;background:linear-gradient(#ffffff16 1px,transparent 1px),linear-gradient(90deg,#ffffff16 1px,transparent 1px);background-size:48px 48px;border:0}.hero-media-index{position:absolute;top:20px;left:22px;right:auto;font-size:10px;color:#635025;letter-spacing:.16em;z-index:2}.hero .model-stage{background:transparent;border:0;box-shadow:none;padding-top:28px}.hero .model-topline{display:none}.hero model-viewer{height:353px}.hero .model-toolbar{padding:4px 19px 12px;border:0;position:relative}.hero .model-toolbar button{background:#ffffff30;border:1px solid #80642d30}.hero .model-hint{color:#5d4c29}.hero-equipment{border-top:1px solid #6350252e;padding:17px 22px;display:flex;align-items:center;justify-content:space-between;color:var(--forest);font-size:13px;position:relative}.hero-equipment span:first-child{display:grid;gap:3px}.hero-equipment small{font-size:9px;letter-spacing:.12em;color:#6b552b}.hero-equipment:hover{background:#ffde9840}.hero-bottom{position:absolute;left:0;right:16px;bottom:23px;display:flex;justify-content:space-between;border-top:1px solid #65726365;padding-top:16px;gap:20px}.hero-meta{color:#a5b2a6;font-size:10px;letter-spacing:.08em;gap:21px}.hero-meta span+span{border-left-color:#76836a65}.slide-controls{gap:15px;color:var(--ivory);font:11px Arial}.slide-controls i{font-style:normal;color:#a5b2a6;margin-left:8px}.slide-arrow{width:32px;height:32px;border:0;color:var(--ivory);font-size:19px}.slide-arrow:hover{background:var(--amber);color:var(--forest)}.slide-dot,.slide-dot.active{height:26px;width:18px;background:transparent;border-radius:0;position:relative}.slide-dot:before{content:"";position:absolute;inset:11px 0;background:#7b887b;height:2px}.slide-dot.active:before{background:var(--amber)}.slide-dot:after{display:none}
/* The original sidebar + product grid, with every photo surface replaced by a 3D stage. */
.catalog-home{grid-template-columns:210px minmax(0,1fr);gap:28px;align-items:start}.home-sidebar{border:1px solid var(--line);background:var(--ivory);position:sticky;top:calc(var(--header-height) + 20px)}.home-sidebar h3{padding:23px 19px;background:var(--forest);color:var(--ivory);font-size:14px;font-weight:400}.home-sidebar button{min-height:67px;padding:13px 17px;display:flex;align-items:center;gap:11px;font-size:14px;border-color:#dce0d4;background:transparent}.home-sidebar button.active{background:var(--amber);color:var(--forest);box-shadow:none}.home-sidebar button:hover{background:#efdcb0;color:var(--forest)}.category-no{font:10px Arial;opacity:.6}.category-count{font:10px Arial;margin-left:auto;opacity:.65}.category-footnote{padding:24px 20px;font-size:11px;color:#607067;line-height:1.9}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.home .product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.product-card{display:block;min-width:0;overflow:hidden;background:white;border:1px solid #dce1d9;border-radius:0;box-shadow:none;transition:border-color .25s,box-shadow .25s}.product-card:after{display:none}.product-card:hover{transform:none;border-color:#b9a575;box-shadow:0 10px 26px #1d2a2e0a}.product-info{padding:18px 18px 14px;min-height:184px}.product-info small{font-size:10px;color:#66776b;margin:0}.product-info h3,.home .product-info h3{font-size:14px;font-weight:600;line-height:1.75;margin:8px 0}.product-info h3 a:hover{color:#866317}.product-info p{font-size:12px;line-height:1.85;color:#596a64}.product-link{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #e8ebe2;margin-top:14px;padding-top:11px;font-size:11px;color:#50665b}.product-link span{font-size:17px;color:#8f6a24}.model-stage{position:relative;background:linear-gradient(140deg,#faf9f3,#f0f0e6);color:var(--forest);min-width:0}.model-topline{position:absolute;top:12px;left:14px;right:14px;z-index:2;display:flex;justify-content:space-between;align-items:center;font-size:9px;pointer-events:none;color:#6b786d}.model-topline>span:first-child{display:flex;align-items:center;gap:4px}.model-topline b{font:10px Arial;color:#465d50}.model-state{font-size:9px;color:#737c70;white-space:nowrap}.model-state.ready:before{content:"";width:4px;height:4px;border-radius:50%;background:#607c55;display:inline-block;margin-right:4px;vertical-align:2px}model-viewer{display:block;width:100%;height:222px;--poster-color:transparent;--progress-bar-color:#f3b43f;outline-offset:-3px;touch-action:pan-y}model-viewer::part(default-progress-bar){display:none}.model-progress{position:absolute;bottom:0;left:0;right:0;height:2px;background:#dae0d3;pointer-events:none}.model-progress span{display:block;height:100%;width:0;background:var(--amber);transition:width .2s}.model-loaded .model-progress{display:none}.model-toolbar{display:flex;align-items:center;justify-content:space-between;border-top:1px solid #dae1d140;padding:5px 10px 8px;gap:4px}.model-toolbar>div{display:flex;gap:5px}.model-toolbar button{width:31px;height:29px;font-size:20px;background:white;border:1px solid #dce1d9;color:#4c6152;display:flex;align-items:center;justify-content:center;line-height:1}.model-toolbar button:hover{background:var(--amber);border-color:var(--amber);color:var(--forest)}.model-hint{font-size:9px;color:#66776b;letter-spacing:.02em}.model-fallback{position:absolute;inset:30px 10px;display:flex;align-items:center;justify-content:center;flex-direction:column;background:var(--ivory);gap:12px;font-size:12px}.model-fallback[hidden]{display:none}.model-fallback button{text-decoration:underline}.model-disclosure{font-size:11px;color:#677568;line-height:1.8;margin-top:12px}.model-modal{width:min(1000px,94vw);max-width:1000px;padding:30px}.model-modal h2{font-size:20px;font-weight:500;margin:5px 40px 20px 0}.expanded-stage model-viewer{height:min(64vh,600px)}.expanded-stage .model-toolbar button[data-model-tool=expand]{display:none}.model-modal .model-topline{top:15px}.detail-stage model-viewer{height:340px}.detail-stage .model-toolbar{padding:10px 14px}.detail-stage{border:1px solid #dce1d9}.source-image-link{font-size:11px;margin-top:10px;color:#70551f;text-decoration:underline}.product-detail-head{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:26px}.product-detail-head .article-title{font-size:25px;line-height:1.6;font-weight:500}.spec-list{margin-top:24px}.spec-row{font-size:13px;line-height:1.9;border-color:#dce1d9}.spec-row span:first-child{color:#627268}.detail-kicker{font-size:11px;color:#6c775e}.product-detail-head .actions{gap:10px;margin-top:24px}.product-detail-head .button{font-size:12px;padding:11px 14px}.details-tabs{top:var(--header-height);border-color:#dce1d9}.details-tabs .active{color:var(--forest);border-color:var(--amber)}.source-note{border-left:2px solid var(--amber);padding:10px 14px;background:var(--ivory);font-size:12px;color:#667366;line-height:1.8;margin:20px 0}.article table{max-width:100%;border-color:var(--line)}.article th{background:#e9eddf;color:var(--forest)}.article tr:nth-child(even){background:#f8f8f1}.article a{color:#796127}.article{color:#354640}.article img{max-width:100%;height:auto}
.process-section{background:var(--forest);color:var(--ivory);padding:65px 0}.process-section>.wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:80px;align-items:center}.process-section .eyebrow{color:#aebdab;font-size:10px}.process-section h2{font-size:30px;line-height:1.65;font-weight:400;margin:18px 0 25px;letter-spacing:.04em}.process-section .text-link{color:var(--ivory);border-color:#72816a}.process-steps>div{display:flex;gap:26px;padding:22px 0;border-bottom:1px solid #67705c77}.process-steps>div:last-child{border:0}.process-steps>div>span{font:16px Arial;color:var(--amber);padding-top:4px}.process-steps h3{font-size:17px;font-weight:400}.process-steps p{font-size:12px;color:#bbc7b4;margin-top:9px}.case-section{background:var(--ivory)}.case-image{border-radius:0;aspect-ratio:1.65}.case-card h3{font-size:14px;color:var(--forest)}.case-card small{font-size:10px;color:#6b7965}.archive-note{font-size:11px;color:#75806c;margin-top:-16px;margin-bottom:24px}.round-control{border-color:#b9c2ac;border-radius:0;color:var(--forest)}.round-control:hover{background:var(--amber);border-color:var(--amber);color:var(--forest)}.split-section{gap:70px}.brand-plaque{background:var(--forest);padding:42px 38px;border:1px solid #32443b;display:grid;gap:22px}.brand-plaque img{width:100%;height:auto;max-height:110px;object-fit:contain}.brand-plaque>span{font-size:11px;color:#bdc6b2;text-align:center;letter-spacing:.15em}.about-teaser p{color:#607064;font-size:13px}.news-list a{gap:18px;padding:17px 0;border-color:#e2e6db}.news-list h3{color:#354a3d;font-size:13px}.news-list time{color:#74826d;font-size:11px;white-space:nowrap}.news-list a>span:last-child{margin-left:auto;color:#7b7049}.contact-strip{background:var(--amber);border:0;padding:48px 0}.contact-strip h2{font-size:30px;font-weight:500;margin-top:12px}.contact-strip p{color:#62542c;margin-top:12px;font-size:13px}.contact-strip .eyebrow{color:#63562d;font-size:10px}.contact-strip .eyebrow:before{background:var(--forest)}.contact-strip .button{background:var(--forest);color:var(--ivory);border-color:var(--forest)}.contact-strip .button:hover{background:var(--ivory);color:var(--forest);border-color:var(--ivory)}.page-banner{background:var(--ivory);border-color:#dedfcf;padding:29px 0}.page-banner h1{font-size:28px;font-weight:500;letter-spacing:.06em}.page-banner .english{color:#e4e7d8;font-size:60px}.breadcrumb{font-size:11px;color:#6a7868}.page-layout{grid-template-columns:210px minmax(0,1fr);gap:28px;padding:40px 0 70px}.sidebar-title{background:var(--forest);font-size:16px;font-weight:400}.side-groups summary{font-size:13px;background:#f8f8f0;color:var(--forest)}.side-groups details[open] summary{background:var(--amber);color:var(--forest)}.side-groups a{font-size:12px;color:#657561}.side-groups a.active{background:#f3f1df;color:var(--forest);border-left-color:var(--amber)}.side-groups summary:after{color:#657561}.sidebar-contact{background:var(--ivory);border-color:var(--amber)}.sidebar-brand{display:block;font-size:23px;font-weight:500;margin:10px 0 19px}.sidebar-contact .button{font-size:12px;width:100%;padding:10px}.sidebar-contact p{color:#657561}.all-products-link{font-size:12px}.filter-row h2{font-size:21px;font-weight:500}.filter-row p{font-size:12px;color:#6b7865}.search-form{border-radius:0}.search-form input:focus{outline:0}.search-form:focus-within{border-color:#ac893d;box-shadow:0 0 0 2px #f3b43f22}.search-form button{background:var(--forest);color:white}.catalog-subcategories{gap:7px}.catalog-subcategories a{font-size:12px;border-color:#dce1d0;background:white;padding:8px 11px}.catalog-subcategories .active{background:var(--amber);border-color:var(--amber);color:var(--forest)}.pagination .active{background:var(--forest);color:var(--ivory);border-color:var(--forest)}.pagination a:hover{background:var(--amber);border-color:var(--amber)}.pagination a,.pagination span{border-radius:0}.empty{background:var(--ivory);border-radius:0}.empty .button{margin-top:18px}.notice{background:var(--ivory);border-color:var(--amber);color:#62705e}.news-list-page .tag,.news-list-page .news-num{color:#748269}.prev-next{border-color:var(--line)}.prev-next small{color:#78836b}.side-links a.active{border-color:var(--amber);background:var(--ivory)}.company-intro h2{font-size:25px;margin:30px 0 18px}.company-intro h3{font-size:20px;margin:30px 0 18px}.company-categories{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin:30px 0}.company-categories a{display:grid;border:1px solid var(--line);padding:23px;background:var(--ivory);color:var(--forest);gap:6px}.company-categories span{font-size:12px;color:#6e7a65}.contact-page{gap:65px;padding:55px 0 75px}.contact-page h2{font-size:28px;font-weight:500;margin:15px 0}.contact-intro{font-size:13px;line-height:1.9;color:#6e7a65}.contact-line{border-color:var(--line)}.contact-line small{font-size:11px;color:#6e7a65}.contact-line strong{font:18px "Microsoft YaHei","微软雅黑",Arial}.contact-panel{background:var(--ivory);border-radius:0;border-color:var(--amber);padding:28px}.contact-panel h2{font-size:21px;margin:0 0 24px}.inquiry-form{display:grid;gap:17px;text-align:left;margin-top:20px}.inquiry-form label{display:grid;font-size:12px;gap:7px;color:#5a6d5c}.inquiry-form input,.inquiry-form textarea{width:100%;min-width:0;padding:12px;border:1px solid #cdd5c4;background:white;border-radius:0;font-size:13px;color:var(--forest);resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-note{font-size:11px!important;color:#6c7a62!important;line-height:1.8}.inquiry-form .actions{margin-top:0}.inquiry-form .button{width:100%}footer{background:var(--forest);color:var(--ivory)}.footer-main{grid-template-columns:1.5fr .8fr .8fr 1fr;gap:40px;padding-top:50px}.footer-main a,.footer-main p,.footer-main button{color:#b7c4b1;font-size:12px}.footer-main h3{font-size:13px;letter-spacing:.05em}.footer-main a:hover{color:var(--amber)}.footer-brand{width:220px;height:auto;margin-bottom:12px}.footer-brand img{width:220px;max-height:70px}.footer-contact strong{display:block;color:#e0e5d7;font-size:16px;font-weight:400;margin-top:20px}.footer-bottom{color:#889b84;font-size:10px;border-color:#3c4e3d}.floating{border-color:var(--line);border-radius:0;box-shadow:none;bottom:100px;right:8px}.floating button{background:var(--ivory);color:var(--forest);font-size:10px;min-height:56px;width:45px}.floating button:first-child{background:var(--amber);color:var(--forest)}.floating button:hover{background:var(--forest);color:white}.mobile-bar{background:white;box-shadow:0 -3px 12px #1d2a2e08}.mobile-bar a,.mobile-bar button{color:#536a55}.mobile-bar a[aria-current=page]{background:var(--amber);color:var(--forest)}dialog{border-color:#c6cebb;border-radius:0;box-shadow:0 30px 90px #111b2040}dialog::backdrop{background:#12221cb0;backdrop-filter:blur(5px)}dialog h2{font-weight:500}dialog p{color:#687b61;font-size:13px}.sitemap-group{border-radius:0;border-color:var(--line)}#toast.show{display:block;opacity:1;background:var(--forest);color:var(--ivory);padding:12px 20px;position:fixed;left:50%;bottom:75px;transform:translateX(-50%);z-index:1000;border-bottom:2px solid var(--amber)}
@media(min-width:1650px){.hero-inner{min-height:680px}.hero model-viewer{height:390px}.hero-media{margin-right:20px}.hero h1{font-size:52px}}
@media(max-width:1200px){.wrap{width:calc(100% - 60px)}.header nav>a,.nav-drop>a{padding:0 22px}.hero-inner{min-height:560px;gap:24px}.hero h1{font-size:35px}.hero model-viewer{height:320px}.catalog-home,.page-layout{grid-template-columns:190px minmax(0,1fr);gap:24px}.product-grid,.home .product-grid{gap:14px}.product-info{padding:14px 13px}.model-topline{left:10px;right:10px}.model-topline>span:first-child{font-size:0}.model-topline b{font-size:9px}model-viewer{height:195px}.model-hint{font-size:8px}.product-detail-head{grid-template-columns:1fr 1fr}.product-detail-head .article-title{font-size:21px}.detail-stage model-viewer{height:300px}.section{padding:55px 0}.split-section{gap:40px}}
@media(max-width:900px){.header nav>a,.nav-drop>a{padding:0 15px}.hero h1{font-size:30px}.hero .button{padding:10px 17px;font-size:12px}.hero model-viewer{height:290px}.hero-inner{min-height:550px}.hero-equipment{padding:14px;font-size:11px}.hero-copy>p{font-size:12px}.product-grid,.home .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.process-section>.wrap{gap:40px}.process-section h2{font-size:25px}.hero-meta{font-size:9px;gap:14px}.company-categories{grid-template-columns:1fr}.footer-main{gap:28px}.footer-brand,.footer-brand img{width:180px}}
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.brand img{max-width:100%}.hero-media{display:block;align-self:center}.hero-media:before{border-radius:0;width:auto;height:auto}.hero-media-index{border:0;padding:0}.hero .model-stage{width:100%}.home-sidebar button:after{display:none}.floating button span:not(.phone-symbol){font-size:9px;white-space:nowrap}.floating button{width:45px;padding:7px 2px}.model-topline{pointer-events:none}.hero .model-toolbar{min-height:42px}
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.hint-touch{display:none}.mobile-bar button[data-action="contact"]{background:var(--forest);color:var(--ivory)}.mobile-bar button[data-action="search"]{background:#fff;color:var(--forest)}
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