/* Shared design system · all page types use this file. */
:root{--surface-soft:#f4f4f4;--paper:#ffffff;--white:#fff;--ink:#191b19;--muted:#6b6b6b;--line:#d5d4cb;--dark:#171b19;--gold:#b9a17b;--accent:#e5e5e5;--gutter:clamp(22px,5.2vw,88px);--max:1440px;--body:'PingFang SC','Microsoft YaHei',sans-serif;--mono:'Courier New',monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.8 var(--body);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%;height:auto}button,a,input,select,textarea{ -webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #8c7149;outline-offset:5px}button{color:inherit}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500;line-height:1.3}p+p{margin-top:18px}ul{padding-left:20px}[hidden]{display:none!important}::selection{background:var(--accent);color:var(--ink)}.wrap{max-width:var(--max);margin:auto;padding:0 var(--gutter)}.section{padding:100px 0}.section-slim{padding:65px 0}.dark{background:var(--dark);color:var(--paper)}.muted{color:var(--muted)}.dark .muted{color:#c4c4c4}.eyebrow{font:12px/1.5 var(--mono);letter-spacing:.13em;text-transform:uppercase;color:#78643e;margin-bottom:22px}.dark .eyebrow{color:#bca57e}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:42px}.section-head h2,.story h2{font-size:clamp(30px,3.5vw,54px);letter-spacing:-.035em}.section-head p{max-width:360px;color:var(--muted)}.dark .section-head p{color:#c4c4c4}.section-head .eyebrow{margin-bottom:14px}.arrow-link{display:inline-flex;gap:32px;align-items:center;border-bottom:1px solid currentColor;padding:0 0 8px;font-size:13px;white-space:nowrap}.arrow-link span{font-size:22px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;min-height:52px;padding:13px 23px;border:1px solid currentColor;background:transparent;font-size:13px;transition:background .2s,color .2s}.button:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}.dark .button:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}.button.solid{background:var(--ink);color:var(--paper);border-color:var(--ink)}.button.solid:hover{background:#404040}.button.light{background:var(--paper);color:var(--ink);border-color:var(--paper)}.button.light:hover{background:var(--accent)}.actions{display:flex;gap:15px;flex-wrap:wrap;margin-top:30px}.skip{position:fixed;top:-80px;left:20px;z-index:100;background:var(--paper);padding:10px}.skip:focus{top:10px}
/* Header/footer: server-rendered in every HTML file; CMS include equivalents supplied. */
.site-header{position:relative;z-index:30;background:var(--paper);border-bottom:1px solid var(--line)}.site-header.overlay{position:absolute;top:0;width:100%;background:transparent;color:var(--paper);border-bottom:1px solid #ffffff22}.header-inner{height:94px;display:flex;justify-content:space-between;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:16px}.brand-word{font-family:Arial,sans-serif;font-size:43px;font-weight:900;font-style:italic;line-height:1;letter-spacing:-3px}.brand-word i{font-style:normal;color:var(--gold)}.brand-cn{border-left:1px solid currentColor;padding-left:16px;font-size:16px;letter-spacing:.12em;line-height:1.4}.brand-cn small{display:block;font:9px/1.7 var(--mono);letter-spacing:.09em;opacity:.7}.nav{display:flex;align-items:center;gap:27px}.nav>a{font-size:13px;padding:6px 0;position:relative;white-space:nowrap}.nav>a[aria-current],.nav>a:hover{border-bottom:1px solid currentColor}.nav .nav-contact{padding:9px 17px;border:1px solid #9c9f94}.header-tools{display:flex;gap:20px;align-items:center}.search-link{font-size:24px;line-height:1}.menu-toggle{display:none;border:1px solid currentColor;background:none;padding:8px 12px;min-height:42px}.footer-top{padding:72px 0 45px;display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px}.footer-top .brand-word{font-size:70px}.footer-top h2{font:11px var(--mono);letter-spacing:.1em;color:#b5b5b5;margin-bottom:22px}.footer-top a:not(.brand){display:block;font-size:13px;color:#cccccc;margin:8px 0}.footer-tag{color:#bfbfbf;font-size:13px;margin-top:25px}.footer-phone{font:22px var(--mono)!important}.footer-bottom{border-top:1px solid #ffffff20;padding:22px 0;display:flex;justify-content:space-between;gap:20px;color:#a3a3a3;font-size:11px}.footer-bottom div{display:flex;gap:22px}.backtop{position:fixed;right:24px;bottom:24px;z-index:10;border:1px solid #ffffff50;width:44px;height:44px;background:var(--dark);color:var(--paper);font-size:19px}
/* Homepage */
.hero{position:relative;min-height:770px;height:100svh;max-height:1000px;background:#111613;color:var(--paper);overflow:hidden}.hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#111612dd 0%,#11161278 42%,transparent 76%),linear-gradient(0deg,#11161299,transparent 40%)}.hero-inner{height:100%;min-height:770px;position:relative;z-index:1;display:flex;flex-direction:column;justify-content:center;padding-top:100px;padding-bottom:100px}.hero .eyebrow{color:#c6b28d;margin-bottom:28px}.hero h1{font-size:clamp(48px,6.1vw,96px);font-weight:500;line-height:1.22;letter-spacing:-.045em;max-width:850px}.hero h1 .outline{color:#dddddd}.hero-desc{max-width:390px;margin-top:28px;font-size:14px;color:#cccccc;line-height:2}.hero .actions{margin-top:35px}.hero-bottom{position:absolute;z-index:2;bottom:30px;left:var(--gutter);right:var(--gutter);display:flex;justify-content:space-between;align-items:center;font:10px var(--mono);letter-spacing:.12em;color:#cccccc}.hero-bottom .rule{width:140px;height:1px;background:#ffffff60;display:inline-block;vertical-align:middle;margin:0 18px}.hero-side{position:absolute;z-index:2;right:35px;top:43%;writing-mode:vertical-rl;font:10px var(--mono);letter-spacing:.25em;color:#c8c8c8}.index-band{border-bottom:1px solid var(--line);padding:23px 0}.index-band .wrap{display:flex;justify-content:space-between;gap:20px;font-size:12px}.index-band span{display:flex;align-items:center;gap:13px}.index-band b{font:10px var(--mono);color:#89754e}.intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px;align-items:start}.large-statement{font-size:clamp(31px,3.6vw,56px);line-height:1.5;letter-spacing:-.03em}.intro-copy{max-width:560px;font-size:16px;line-height:2;color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px 22px}.product-card{min-width:0}.product-card .product-photo{position:relative;background:#fff;aspect-ratio:1.12;overflow:hidden;display:flex;align-items:center;justify-content:center}.product-photo img{height:78%;width:70%;object-fit:contain;transition:transform .5s;mix-blend-mode:multiply}.product-card:hover img{transform:scale(1.05)}.product-photo .card-no{position:absolute;left:20px;top:18px;font:10px var(--mono);color:#7c8176}.product-photo .card-arrow{position:absolute;right:20px;bottom:17px;font-size:24px;color:var(--ink)}.product-card .card-content{padding:19px 0 0}.card-meta{display:flex;gap:10px;align-items:center;font:10px var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:9px}.card-meta b{font-weight:400}.card-meta .dot{width:3px;height:3px;background:currentColor;border-radius:50%}.product-card h3{font:19px/1.4 Arial,var(--body)}.product-card p{font-size:13px;color:var(--muted);margin-top:5px}.featured .product-card p,.featured .card-meta{color:#bfbfbf}.featured .product-grid{grid-template-columns:repeat(3,1fr)}.featured .product-photo{aspect-ratio:1.15;background:#ededed}.featured .section-head{align-items:end}.series-list{border-top:1px solid var(--line)}.series-row{display:grid;grid-template-columns:80px 1fr 1fr 50px;align-items:center;gap:30px;padding:30px 0;border-bottom:1px solid var(--line);transition:padding .2s}.series-row:hover{padding-left:12px}.series-row .series-no{font:12px var(--mono);color:#8a7958}.series-row h3{font-size:31px}.series-row p{font-size:13px;color:var(--muted)}.series-row .arr{font-size:26px}.story{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.story-image{position:relative;min-height:470px;background:#ededed;overflow:hidden;display:flex;align-items:center;justify-content:center}.story-image img{height:390px;width:72%;object-fit:contain;mix-blend-mode:multiply}.story-image .spec-mark{position:absolute;left:25px;bottom:24px;font:10px var(--mono);letter-spacing:.1em;color:#697060}.story-text p{margin-top:24px;color:var(--muted);line-height:2}.story-text .eyebrow{margin-top:0}.story-text .arrow-link{margin-top:30px}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.process-item{border-top:1px solid #ffffff40;padding:20px 0}.process-item .num{font:12px var(--mono);color:var(--gold)}.process-item h3{font-size:24px;margin:40px 0 16px}.process-item p{font-size:13px;color:#c6c6c6}.news-list{border-top:1px solid var(--line)}.news-row{display:grid;grid-template-columns:170px 1fr 60px;gap:30px;align-items:center;padding:30px 0;border-bottom:1px solid var(--line)}.news-row h3{font-size:22px}.news-row p{font-size:13px;color:var(--muted);margin-top:10px;max-width:700px}.news-row .arr{font-size:28px;justify-self:end}.news-row:hover h3{color:#555555}.cta-band{background:var(--surface-soft);padding:70px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}.cta-band h2{font-size:clamp(28px,3.3vw,50px)}.cta-band p{margin-top:15px;font-size:14px;color:#68665f}.cta-band .button{flex-shrink:0}
/* Interior templates */
.breadcrumb{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:11px;color:var(--muted);padding:28px 0}.breadcrumb a{text-decoration:underline;text-underline-offset:3px}.page-intro{padding:60px 0 66px;border-bottom:1px solid var(--line)}.page-intro .wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:65px;align-items:end}.page-intro h1{font-size:clamp(38px,5vw,76px);letter-spacing:-.04em}.page-intro .intro-en{font:12px var(--mono);color:#8c7853;letter-spacing:.14em;margin-bottom:18px}.page-intro p{font-size:14px;color:var(--muted);max-width:440px;line-height:2}.page-intro .title-index{font:11px var(--mono);color:#8a8e82;margin-bottom:18px}.page-intro.dark{border-color:#ffffff20}.page-intro.dark p{color:#c6c6c6}.catalog-layout{display:grid;grid-template-columns:215px minmax(0,1fr);gap:55px}.catalog-aside h2{font-size:16px;margin-bottom:25px}.category-nav{display:grid;border-top:1px solid var(--line)}.category-nav a{display:flex;justify-content:space-between;padding:17px 0;border-bottom:1px solid var(--line);font-size:13px}.category-nav a[aria-current]{font-weight:600;color:#555555}.aside-note{margin-top:36px;font-size:12px;color:var(--muted)}.aside-note p{margin:15px 0}.catalog-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:30px}.filter-group{display:flex;gap:8px;flex-wrap:wrap}.filter{border:1px solid var(--line);padding:9px 15px;background:transparent;font-size:12px;min-height:42px}.filter[aria-pressed=true],.filter:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}.count{font:11px var(--mono);color:var(--muted);white-space:nowrap}.catalog-layout .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px 22px}.catalog-note{margin-top:35px;font-size:12px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px}.empty{padding:50px 0;font-size:15px}.pagination{display:flex;align-items:center;justify-content:space-between;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font:11px var(--mono)}.pagination .page-number{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--ink)}.product-main{display:grid;grid-template-columns:1fr 1fr;gap:75px;align-items:center}.product-stage{position:relative;background:#fff;min-height:500px;display:flex;align-items:center;justify-content:center}.product-stage>img{width:70%;height:400px;object-fit:contain}.product-stage>span{position:absolute;bottom:20px;left:20px;font:10px var(--mono);color:var(--muted)}.product-overview h1{font:500 clamp(32px,3.5vw,53px)/1.25 Arial,var(--body);overflow-wrap:anywhere}.product-overview h2{font-size:22px;margin:16px 0}.product-overview>p{color:var(--muted);margin-top:20px}.spec-pills{display:flex;flex-wrap:wrap;gap:8px;margin:25px 0}.spec-pills span{border:1px solid var(--line);padding:5px 12px;font-size:11px}.quick-specs{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:28px}.quick-specs div{border-top:1px solid var(--line);padding:15px 0}.quick-specs dt{font-size:11px;color:var(--muted)}.quick-specs dd{margin:5px 0 0;font-size:14px}.tabs{display:flex;gap:40px;border-bottom:1px solid var(--line);margin:65px 0 40px}.tabs a{padding:15px 0;border-bottom:1px solid transparent;font-size:13px}.tabs a:first-child{border-bottom-color:var(--ink)}.detail-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:60px;margin-bottom:65px;scroll-margin-top:30px}.detail-grid h2{font-size:25px}.detail-grid p{color:var(--muted)}.diagram{max-width:700px;margin-bottom:25px;border:1px solid var(--line);background:white}.table-scroll{overflow-x:auto;width:100%}.spec-table{border-collapse:collapse;width:100%;min-width:590px;font-size:12px;text-align:left}.spec-table th{background:#e5e5e5;font-weight:500}.spec-table td,.spec-table th{border-bottom:1px solid var(--line);padding:15px 14px;white-space:nowrap}.spec-note{font-size:12px;margin-top:17px}.info-box{border:1px solid var(--line);padding:28px}.info-box h3{font-size:18px;margin-bottom:14px}.info-box p{font-size:14px}.about-quote{font-size:clamp(40px,6vw,86px);line-height:1.5;letter-spacing:-.05em;padding:50px 0}.about-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px}.prose{max-width:800px;font-size:16px;line-height:2}.prose h2{font-size:27px;margin:40px 0 20px}.prose h3{font-size:21px;margin:28px 0 15px}.prose p{color:#626262}.prose ul{color:#626262}.article-layout{display:grid;grid-template-columns:minmax(0,800px) 220px;gap:90px;justify-content:space-between}.article-header{padding-bottom:35px;border-bottom:1px solid var(--line);margin-bottom:40px}.article-header h1{font-size:clamp(30px,4vw,52px);line-height:1.5;margin:20px 0}.article-side{border-top:1px solid var(--line);padding-top:20px;font-size:13px}.article-side a{display:block;margin-top:20px}.article-nav{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:25px;margin-top:50px;gap:20px;font-size:13px}.faq-layout{display:grid;grid-template-columns:260px 1fr;gap:80px}.faq-aside{font-size:14px;color:var(--muted)}.faq-aside h2{font-size:27px;color:var(--ink);margin-bottom:20px}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{cursor:pointer;padding:25px 35px 25px 0;list-style:none;position:relative;font-size:16px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:'+';position:absolute;right:2px;top:22px;font:25px var(--mono)}.faq-item[open] summary:after{content:'−'}.faq-item p{padding:0 35px 25px 0;color:var(--muted);font-size:14px;line-height:2}.faq-num{font:11px var(--mono);color:#8a7958;margin-right:20px}.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.contact-copy h2{font-size:35px;margin-bottom:30px}.contact-copy .phone{font:clamp(25px,3vw,39px) var(--mono);display:block;margin:20px 0}.contact-copy .contact-fact{padding:22px 0;border-top:1px solid var(--line)}.contact-fact dt{font-size:11px;color:var(--muted);margin-bottom:8px}.contact-fact dd{margin:0;font-size:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:25px}.field{display:flex;flex-direction:column;gap:8px}.full{grid-column:1/-1}.field label{font-size:12px}.field input,.field textarea,.field select{width:100%;min-width:0;border:0;border-bottom:1px solid #a8ad9f;background:transparent;padding:13px 0;border-radius:0;color:var(--ink)}.field textarea{min-height:115px;resize:vertical}.form-note{font-size:12px;color:var(--muted)}.form-status{font-size:13px;color:#555555;min-height:24px}.check{display:flex;align-items:flex-start;gap:10px;font-size:12px}.check input{margin-top:6px;accent-color:var(--ink)}.inquiry-item{display:flex;justify-content:space-between;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}.inquiry-item button{border:0;border-bottom:1px solid currentColor;background:none;font-size:12px}.search-form{display:flex;gap:15px;margin-bottom:35px}.search-form input{flex:1;min-width:0;padding:15px 0;border:0;border-bottom:1px solid var(--ink);background:transparent;font-size:18px}.search-results article{border-top:1px solid var(--line);padding:23px 0}.search-results h2{font-size:21px;margin-bottom:10px}.search-results p{font-size:13px;color:var(--muted)}.sitemap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:35px}.sitemap-grid h2{margin-bottom:20px;font-size:22px}.sitemap-grid a{display:block;padding:7px 0;font-size:13px}.toast{position:fixed;z-index:80;bottom:25px;left:50%;transform:translateX(-50%);padding:14px 25px;background:var(--paper);border:1px solid var(--ink);box-shadow:0 5px 30px #0002;font-size:13px;max-width:90vw;width:max-content}
@media(min-width:1600px){.hero h1{font-size:96px}}
@media(max-width:1100px){.nav{gap:17px}.brand-cn{display:none}.header-inner{height:80px}.intro-grid,.story,.about-grid{gap:55px}.catalog-layout{gap:35px;grid-template-columns:170px minmax(0,1fr)}.section{padding:80px 0}.contact-grid{gap:50px}.footer-top{grid-template-columns:1.4fr 1fr 1fr}.footer-top>div:last-child{grid-column:1/-1}.article-layout{gap:50px;grid-template-columns:minmax(0,1fr) 180px}.process-grid{gap:20px}}
@media(max-width:800px){.header-inner{height:76px}.menu-toggle{display:block}.brand-cn{display:block;font-size:13px;padding-left:12px}.brand-word{font-size:36px}.header-tools{gap:18px}.nav{display:none;position:absolute;top:76px;left:0;right:0;padding:25px var(--gutter) 35px;background:var(--dark);color:var(--paper);border-top:1px solid #ffffff33;flex-direction:column;align-items:stretch;gap:0;box-shadow:0 20px 30px #0003}.nav.is-open{display:flex}.nav>a{padding:13px 0;font-size:16px;border-bottom:1px solid #ffffff22}.nav .nav-contact{margin-top:15px;padding:12px}.hero{height:auto;min-height:760px;max-height:none}.hero-inner{min-height:760px;padding-top:155px;padding-bottom:115px;justify-content:flex-end}.hero-image{object-position:63% center;opacity:.7}.hero:after{background:linear-gradient(90deg,#111612b0,#11161222),linear-gradient(0deg,#111612ed 4%,transparent 90%)}.hero h1{font-size:clamp(44px,7.6vw,65px)}.hero-desc{font-size:13px;max-width:340px}.hero-side{display:none}.hero-bottom{font-size:9px}.hero-bottom .rule{width:45px;margin:0 10px}.index-band .wrap{display:grid;grid-template-columns:1fr 1fr;gap:14px}.intro-grid,.story,.about-grid,.page-intro .wrap,.contact-grid{grid-template-columns:1fr;gap:35px}.section-head{align-items:start;gap:25px}.section-head p{max-width:290px}.intro-copy{font-size:14px}.featured .product-grid,.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.featured .product-card:last-child{display:none}.series-row{grid-template-columns:35px 1fr 35px;gap:18px}.series-row p{grid-column:2;grid-row:2}.series-row .arr{grid-column:3;grid-row:1/3}.series-row h3{font-size:26px}.series-row .series-no{align-self:center}.story-image{min-height:380px}.process-grid{grid-template-columns:1fr 1fr;gap:30px}.process-item h3{margin-top:28px}.news-row{grid-template-columns:100px 1fr 25px;gap:20px}.news-row h3{font-size:18px}.news-row p{font-size:12px}.cta-inner{align-items:flex-start;flex-direction:column}.page-intro{padding:38px 0 45px}.page-intro .wrap{gap:25px}.page-intro p{max-width:550px}.catalog-layout{grid-template-columns:1fr}.catalog-aside{padding-bottom:10px}.catalog-aside h2{display:none}.category-nav{display:flex;gap:25px;flex-wrap:wrap}.category-nav a{gap:16px}.aside-note{display:none}.catalog-toolbar{align-items:start}.product-main{grid-template-columns:1fr;gap:35px}.product-stage{min-height:380px}.product-stage>img{height:320px}.product-overview h1{font-size:36px}.detail-grid{grid-template-columns:1fr;gap:25px}.tabs{gap:30px;margin-top:45px}.article-layout{grid-template-columns:1fr}.article-side{display:none}.faq-layout{grid-template-columns:1fr;gap:40px}.faq-aside{max-width:450px}.footer-top{grid-template-columns:1fr 1fr;gap:35px}.footer-top>div:first-child{grid-column:1/-1}.footer-top>div:last-child{grid-column:auto}.footer-bottom{flex-direction:column}.sitemap-grid{grid-template-columns:1fr 1fr}}
@media(max-width:500px){.section{padding:60px 0}.section-head{display:block;margin-bottom:30px}.section-head p,.section-head>.arrow-link{margin-top:23px}.section-head h2,.story h2{font-size:32px}.hero{min-height:740px}.hero-inner{min-height:740px;padding-top:145px;padding-bottom:100px}.hero h1{font-size:45px;line-height:1.3}.hero .eyebrow{font-size:10px;margin-bottom:20px}.hero .actions{gap:10px}.hero .button{min-height:48px;padding:12px 17px;gap:22px;font-size:12px}.hero-bottom>span:last-child{max-width:135px;text-align:right;line-height:1.6}.product-grid,.catalog-layout .product-grid{gap:25px 13px}.product-card h3{font-size:15px;overflow-wrap:anywhere}.product-card p{font-size:11px}.product-photo .card-no{left:12px;top:12px;font-size:9px}.product-photo img{width:78%;height:78%}.product-photo .card-arrow{right:12px;bottom:8px;font-size:20px}.card-meta{font-size:9px;gap:6px}.featured .product-photo{aspect-ratio:.85}.product-card .card-content{padding-top:14px}.series-row{padding:23px 0}.process-grid{gap:25px}.process-item h3{font-size:21px}.process-item p{font-size:12px}.news-row{grid-template-columns:1fr 25px;gap:12px}.news-row>.card-meta{grid-column:1/-1;margin:0}.news-row .arr{grid-column:2;grid-row:2}.news-row h3{font-size:18px}.story-image{min-height:340px}.story-image img{height:285px}.footer-top{grid-template-columns:1fr 1fr;padding-top:50px}.footer-top>div:last-child{grid-column:1/-1}.footer-bottom div{flex-wrap:wrap}.page-intro h1{font-size:40px}.catalog-toolbar{flex-direction:column}.filter{padding:8px 12px}.count{align-self:end}.product-stage>img{height:300px}.product-stage{min-height:350px}.quick-specs{gap:0 15px}.product-overview h1{font-size:32px}.product-overview h2{font-size:21px}.tabs{gap:20px}.tabs a{font-size:12px}.form-grid{grid-template-columns:1fr}.full{grid-column:auto}.form-grid .button{width:100%}.faq-item summary{font-size:15px}.faq-num{margin-right:12px}.sitemap-grid{grid-template-columns:1fr}.search-form{gap:10px}.search-form .button{padding:12px 16px;gap:10px}.backtop{right:14px;bottom:14px;width:38px;height:38px}.article-header h1{font-size:29px}.prose{font-size:15px}.contact-copy h2{font-size:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.backtop,.actions,.cta-band,.tabs{display:none}.section{padding:20px 0}.product-main,.detail-grid,.contact-grid{display:block}body{background:#fff;color:#000}.hero{height:auto;min-height:0}.hero-image{display:none}.hero-inner{min-height:0;color:#000;padding:30px}.product-stage{min-height:220px}.product-stage>img{height:200px}}
.faq-answer{padding:0 35px 25px 0;color:var(--muted);font-size:14px;line-height:2}
.menu-toggle{white-space:nowrap;flex-shrink:0}.header-tools{flex-shrink:0}.brand{min-width:0}.brand-cn small{white-space:nowrap}@media(max-width:500px){.brand-cn small{font-size:7px;letter-spacing:0}.brand-cn{font-size:12px;letter-spacing:.05em}.brand{gap:11px}.header-tools{gap:12px}.menu-toggle{font-size:12px;padding:8px}.brand-word{font-size:34px}}
/* Demonstration company modules; preserve shared white/warm-grey palette. */
.factory-section{border-top:1px solid var(--line)}.factory-gallery{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:22px}.factory-tile{margin:0;min-width:0;background:var(--surface-soft)}.factory-tile img{width:100%;height:260px;object-fit:cover;filter:saturate(.65)}.factory-tile figcaption{padding:24px}.factory-tile figcaption>span{font:10px var(--mono);letter-spacing:.1em;color:#89754e}.factory-tile h3{margin:18px 0 12px;font-size:23px}.factory-tile p{font-size:13px;color:#6d6b65}.factory-tile small{display:block;margin-top:24px;font:9px var(--mono);color:#817b70;letter-spacing:.1em}.demo-note{margin-top:23px;font-size:11px;color:#807d74;line-height:1.9;max-width:900px}.partner-section{padding-bottom:90px}.partner-intro{max-width:700px;color:var(--muted);font-size:14px;margin-bottom:35px}.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.partner-logo{padding:22px 15px;min-height:120px;display:flex;align-items:center;justify-content:center;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:white}.partner-logo img{width:100%;height:80px;object-fit:contain;filter:grayscale(1)}
@media(max-width:1000px){.factory-gallery{grid-template-columns:1fr 1fr}.factory-tile:first-child{grid-column:1/-1}.factory-tile:first-child img{height:350px}.partner-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.factory-gallery{grid-template-columns:1fr}.factory-tile:first-child{grid-column:auto}.factory-tile img,.factory-tile:first-child img{height:230px}.factory-tile figcaption{padding:22px}.partner-grid{grid-template-columns:repeat(2,1fr)}.partner-section{padding-bottom:60px}}
/* Company story, expertise and supporting pages. */
.warm-section{background:var(--surface-soft)}.company-hero{position:relative;min-height:700px;display:flex;align-items:center;overflow:hidden}.company-hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.35)}.company-hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#111714ed,#11171480 65%,#11171420)}.company-hero-copy{position:relative;z-index:1;width:100%;padding-top:90px;padding-bottom:80px}.company-hero h1{font-size:clamp(48px,6vw,88px);line-height:1.3;letter-spacing:-.04em;max-width:900px}.company-hero-copy>p:not(.eyebrow){margin-top:28px;font-size:16px;line-height:2;color:#e0e0e0;max-width:580px}.photo-disclosure{display:block;margin-top:55px;color:#b7b7b7;font-size:10px;letter-spacing:.08em}.company-nav{display:flex;gap:40px;padding-top:23px;padding-bottom:23px;border-bottom:1px solid var(--line);font-size:12px;flex-wrap:wrap}.company-nav a:hover{color:#8c7149}.company-intro{display:grid;grid-template-columns:1fr 1.2fr;gap:80px}.company-intro h2{font-size:clamp(32px,4vw,56px);line-height:1.5}.company-intro p:not(.eyebrow){color:var(--muted);line-height:2.1;font-size:14px}.company-intro .lead{font-size:18px!important;color:var(--ink)!important}.evidence-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:70px;border-top:1px solid var(--line);padding-top:35px}.evidence-strip strong{font:70px/1.3 Arial,sans-serif;font-weight:400;letter-spacing:-.05em}.evidence-strip small{font:12px var(--body);margin-left:12px;letter-spacing:0}.evidence-strip p{font-size:12px;color:var(--muted);margin-top:12px}.expert-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 65px;border-top:1px solid var(--line)}.expert-item{padding:38px 0;border-bottom:1px solid var(--line)}.expert-item h3{font-size:25px;margin:20px 0 16px}.expert-item p{color:var(--muted);font-size:14px;max-width:470px;line-height:2}.section-foot{margin-top:35px;text-align:right}.capability-story{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center}.capability-photo{position:relative}.capability-photo img{width:100%;min-height:420px;object-fit:cover;filter:saturate(.45)}.capability-photo>span{position:absolute;bottom:16px;left:20px;color:white;font:10px var(--mono);text-shadow:0 1px 5px #000}.capability-copy h3{font-size:31px;line-height:1.6;margin-bottom:22px}.capability-copy p:not(.eyebrow){font-size:14px;color:var(--muted);line-height:2}.capability-copy .arrow-link{margin-top:26px}.quality-banner{display:flex;justify-content:space-between;align-items:center;gap:40px;border-top:1px solid var(--line);margin-top:60px;padding-top:40px}.quality-banner h3{font-size:28px}.quality-banner p:not(.eyebrow){font-size:14px;line-height:2;color:var(--muted);margin-top:18px}.application-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid #ffffff35;border-left:1px solid #ffffff35}.application-card{position:relative;min-height:330px;padding:28px;border-right:1px solid #ffffff35;border-bottom:1px solid #ffffff35;transition:background .2s}.application-card:hover{background:#ffffff0c}.app-symbol{display:block;font:65px Arial;color:#b9a17b;margin-bottom:35px}.application-card .eyebrow{font-size:9px;letter-spacing:.07em}.application-card h3{font-size:22px;margin-bottom:15px}.application-card>p:not(.eyebrow){font-size:12px;color:#c2c2c2;max-width:210px}.app-arrow{position:absolute;right:25px;top:32px;font-size:25px}.dark .demo-note{color:#ababab}.cooperation-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.cooperation-statement{border-top:1px solid var(--line);padding-top:30px}.cooperation-statement>span{font-size:36px;line-height:1.7}.cooperation-statement p{color:var(--muted);font-size:13px;margin:25px 0}.cooperation-steps article{display:grid;grid-template-columns:30px 1fr;gap:25px;border-top:1px solid var(--line);padding:27px 0}.cooperation-steps article>span{font:11px var(--mono);color:#89754e;padding-top:8px}.cooperation-steps h3{font-size:22px;margin-bottom:14px}.cooperation-steps p{font-size:14px;color:var(--muted);line-height:2}.company-promo{display:grid;grid-template-columns:1.15fr .85fr;gap:80px;align-items:center}.company-promo h2{font-size:clamp(30px,3.5vw,49px);line-height:1.5}.company-promo p:not(.eyebrow){font-size:15px;color:var(--muted);line-height:2;margin-bottom:28px}.scene-detail{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;scroll-margin-top:40px}.scene-detail h2{font-size:40px}.scene-sub{margin-top:23px;color:var(--muted);font-size:15px}.scene-detail .lead{font-size:22px;line-height:1.8}.scene-checks{margin:30px 0}.scene-checks>div{display:grid;grid-template-columns:90px 1fr;gap:25px;border-top:1px solid var(--line);padding:20px 0;font-size:14px}.scene-checks dt{color:#89754e}.scene-checks dd{margin:0;color:var(--muted)}.quality-editorial{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}.quality-editorial img{width:100%;height:390px;object-fit:cover;filter:saturate(.4)}.quality-editorial h2{font-size:40px;line-height:1.5;margin-bottom:24px}.quality-editorial p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:2}.service-route{display:flex;gap:60px;justify-content:space-between;align-items:center}.service-route h2{font-size:45px;line-height:1.5}.service-route>div:last-child{display:grid;gap:25px;min-width:260px}#profile,#expertise,#capability,#applications,#cooperation{scroll-margin-top:35px}
@media(max-width:1000px){.application-grid{grid-template-columns:repeat(2,1fr)}.application-card{min-height:300px}.company-intro,.capability-story,.cooperation-grid,.company-promo,.scene-detail,.quality-editorial{gap:40px}.company-nav{gap:28px}.capability-copy h3{font-size:26px}.quality-editorial h2{font-size:32px}}
@media(max-width:700px){.company-hero{min-height:640px}.company-hero h1{font-size:44px}.company-hero-copy{padding-top:65px;padding-bottom:60px}.company-hero-copy>p:not(.eyebrow){font-size:14px}.company-nav{gap:14px 25px}.company-intro,.capability-story,.cooperation-grid,.company-promo,.scene-detail,.quality-editorial{grid-template-columns:1fr;gap:35px}.evidence-strip{gap:20px;margin-top:40px}.evidence-strip strong{font-size:48px}.evidence-strip p{font-size:10px;line-height:1.8}.expert-grid{gap:0 25px}.expert-item h3{font-size:21px}.expert-item p{font-size:13px}.quality-banner,.service-route{flex-direction:column;align-items:start;gap:30px}.quality-banner h3{font-size:25px}.capability-photo img{min-height:0;height:310px}.scene-detail h2{font-size:32px}.service-route h2{font-size:34px}.quality-editorial img{height:280px}.company-intro .lead{font-size:16px!important}}
@media(max-width:440px){.expert-grid{grid-template-columns:1fr}.application-card{padding:22px 18px;min-height:290px}.application-card h3{font-size:20px}.application-card .eyebrow{font-size:8px;overflow-wrap:anywhere}.app-symbol{font-size:50px}.app-arrow{right:17px;top:24px}.evidence-strip{gap:15px}.evidence-strip strong{font-size:40px}.evidence-strip small{margin-left:5px;font-size:10px}.cooperation-statement>span{font-size:30px}.scene-checks>div{grid-template-columns:65px 1fr;gap:15px}.company-hero h1{font-size:41px}}
.square-stage{aspect-ratio:1;min-height:0}.square-stage>img{width:100%;height:auto}.model-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.model-card{background:#fff}.model-card>img{width:100%;height:320px;object-fit:contain}.model-card>div{padding:25px;border-top:1px solid var(--line)}.model-card h3{font-size:23px;margin:15px 0}.model-card p:not(.eyebrow){font-size:13px;color:var(--muted);line-height:2}.model-card .model-foot{margin-top:20px;font-size:11px!important;color:#8b7852!important}.dimension-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:50px;align-items:center}.dimension-layout>div{padding:35px 15px;border:1px solid var(--line)}.dimension-layout img{width:100%}.dimension-layout dl>div{display:grid;grid-template-columns:65px 1fr;gap:18px;border-bottom:1px solid var(--line);padding:15px 0}.dimension-layout dt{font:16px var(--mono)}.dimension-layout dd{margin:0;color:var(--muted);font-size:13px}.source-technical{margin-top:35px;border-top:1px solid var(--line);padding-top:20px}.source-technical summary{cursor:pointer;font-size:13px}.source-technical img{max-width:800px;margin:30px auto}.spec-toolbar{display:flex;gap:25px;align-items:end;margin-bottom:30px}.spec-toolbar .field{width:220px}.spec-toolbar .count{padding-bottom:15px;margin-left:auto}.spec-table caption{text-align:left;padding:15px 0;color:var(--muted);font-size:12px}#models,#structure,#specifications,#selection-guide{scroll-margin-top:30px}@media(max-width:800px){.dimension-layout{grid-template-columns:1fr;gap:20px}.model-grid{gap:15px}.model-card>img{height:230px}.model-card>div{padding:20px}.model-card h3{font-size:19px}.spec-toolbar{flex-wrap:wrap}.spec-toolbar .field{flex:1;min-width:130px}.tabs{flex-wrap:wrap;gap:10px 25px}}@media(max-width:500px){.model-grid{grid-template-columns:1fr}.model-card{display:grid;grid-template-columns:115px 1fr;align-items:center}.model-card>img{height:220px}.model-card>div{border:0;padding:22px 18px}.model-card .eyebrow{margin-bottom:10px}.model-card h3{margin:10px 0}.model-card .model-foot{margin-top:12px}.spec-toolbar .count{margin-left:0}.spec-toolbar{gap:15px}.dimension-layout>div{padding:25px 10px}}
/* Shared instant inquiry contact dialog. */
html.inquiry-open{overflow:hidden}.inquiry-dialog{border:0;padding:0;width:min(440px,calc(100% - 36px));max-height:calc(100svh - 40px);overflow:auto;background:#fff;color:var(--ink);box-shadow:0 20px 100px #0004}.inquiry-dialog::backdrop{background:#10141099;backdrop-filter:blur(3px)}.inquiry-dialog-content{position:relative;padding:42px 38px 30px;text-align:center}.dialog-close{position:absolute;right:12px;top:10px;width:40px;height:40px;border:0;background:transparent;font:30px/1 Arial;color:#555}.inquiry-dialog .eyebrow{font-size:10px;margin-bottom:12px;text-align:left}.inquiry-dialog h2{font-size:32px;text-align:left}.dialog-product{font-size:13px;color:var(--muted);margin-top:13px;text-align:left}.dialog-qr{background:#ffffff;padding:25px;margin:25px 0}.dialog-qr img{width:185px;height:auto;margin:auto;border:10px solid white}.dialog-qr p{font-size:12px;color:#67655e;margin-top:18px}.dialog-contact{display:grid;gap:8px}.dialog-contact>span{font-size:11px;color:var(--muted)}.dialog-contact>a{font:25px/1.5 var(--mono)}.dialog-source{font-size:10px;color:#908c82;margin-top:22px}@media(max-width:500px){.inquiry-dialog-content{padding:38px 25px 25px}.dialog-qr{padding:20px}.inquiry-dialog h2{font-size:28px}.dialog-contact>a{font-size:23px}}
.data-review{margin-top:24px;border-top:1px solid var(--line);padding-top:20px;color:#78643e;font-size:12px}.data-review summary{cursor:pointer}.data-review li{padding:6px 0}.table-scroll td a{border-bottom:1px solid #a69a81}.spec-toolbar{flex-wrap:wrap}
/* Product navigation follows the list and stops at the end of its grid. */
.catalog-aside{position:sticky;top:28px;align-self:start;max-height:calc(100svh - 56px);overflow-y:auto;scrollbar-width:thin}
/* Shared instant search */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.search-link{display:grid;place-items:center;width:38px;height:42px}.search-link svg{display:block}
html.search-open{overflow:hidden}.search-dialog{width:min(760px,calc(100% - 40px));max-height:84svh;margin:8svh auto 0;padding:28px;border:1px solid var(--line);background:white;color:var(--ink);box-shadow:0 24px 90px #0003;overflow:auto}.search-dialog::backdrop{background:#171b1980;backdrop-filter:blur(5px)}
.search-dialog-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.search-dialog-head .eyebrow{margin:0;font-size:11px}.search-close,.search-clear{border:0;background:none;padding:6px;font-size:12px;color:var(--muted)}.search-dialog kbd{font:11px var(--mono);border:1px solid var(--line);padding:2px 5px;border-radius:3px}.overlay-search-form{display:flex;align-items:center;gap:14px;padding:0 0 18px;border-bottom:1px solid var(--ink)}.overlay-search-form>svg{flex-shrink:0}.overlay-search-form input{width:100%;min-width:0;padding:5px 0;border:0;background:white;outline:none;font-size:22px;color:var(--ink)}.overlay-search-form:focus-within{border-bottom-color:#8c7149;box-shadow:0 1px #8c7149}.overlay-search-form input:focus-visible{outline:none}.overlay-search-form input::-webkit-search-cancel-button{display:none}.search-clear{font-size:24px;line-height:1}
.search-suggestions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:18px 0 24px;font-size:12px;color:var(--muted)}.search-suggestions>span{margin-right:5px}.search-suggestions button{padding:4px 10px;background:white;border:1px solid var(--line);font-size:12px}.search-suggestions button:hover{background:var(--surface-soft)}.search-summary{display:flex;justify-content:space-between;gap:15px;font-size:11px;color:var(--muted);margin-bottom:8px}.search-result-list{max-height:43svh;overflow:auto;overscroll-behavior:contain}.search-result{display:flex;align-items:center;gap:16px;padding:14px 12px;border-top:1px solid #eeede8}.search-result.is-selected,.search-result:hover{background:var(--surface-soft)}.search-result>span:first-child{color:#8c7853;font-size:20px;flex-shrink:0}.search-result>div{flex:1;min-width:0}.search-result small{display:block;font-size:10px;color:var(--muted)}.search-result strong{display:block;font-size:16px;font-weight:500;line-height:1.6}.search-result-desc{display:block;font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.search-result>span:last-child{margin-left:auto}.search-no-results{padding:30px 12px;font-size:14px;color:var(--muted)}.search-no-results a{text-decoration:underline;display:inline-block;margin-top:12px}.search-dialog-foot{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);margin-top:16px;padding-top:16px;font-size:11px;color:var(--muted)}
@media(max-width:800px){.catalog-aside{position:static;max-height:none;overflow:visible}}
@media(max-width:600px){.search-dialog{width:calc(100% - 24px);max-height:calc(100svh - 24px);margin:12px auto;padding:20px 16px}.overlay-search-form input{font-size:17px}.search-dialog-head{margin-bottom:20px}.search-result-list{max-height:48svh}.search-result{padding:12px 8px;gap:10px}.search-result strong{font-size:14px}.search-dialog-foot>span{display:none}.search-dialog-foot{justify-content:flex-end}.search-summary{font-size:10px}}

/* ============================================================
   v2 brand refinement · 2026-11-15
   目标：更大气、更有品牌感。不改变原有版式骨架，只收紧字距、
   加厚层级差、提高深色区可读性。
   ============================================================ */
:root{
  --body:-apple-system,'PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
  --mono:'SF Mono',ui-monospace,Menlo,Consolas,'Courier New',monospace;
  --ink:#151815;
  --gutter:clamp(24px,5.4vw,96px);
}
body{letter-spacing:.005em}
h1,h2,h3{text-wrap:balance}
.tabular,strong,.count{font-variant-numeric:tabular-nums}

/* 字标：去掉斜体，正体更稳 */
.brand-word{font-family:Arial,Helvetica,sans-serif;font-weight:800;font-style:normal;font-size:40px;letter-spacing:-.055em}
.footer-top .brand-word{font-size:64px;letter-spacing:-.06em}
.brand-cn{font-size:17px;letter-spacing:.2em;font-weight:500}
.brand-cn small{letter-spacing:.13em;font-size:8.5px}

.eyebrow{font-size:11px;letter-spacing:.17em}
.hero .eyebrow{letter-spacing:.22em}
.page-intro .intro-en{letter-spacing:.18em}

/* 导航：深色首屏上的描边按钮不再被亮部吃掉 */
.site-header.overlay .nav .nav-contact{border-color:#ffffff8c;background:#0f1310a6;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(8px)}
.site-header.overlay .nav .nav-contact:hover{background:#ffffff;color:var(--ink);border-color:#ffffff}
.nav>a{letter-spacing:.04em}

/* 首屏：字号更大、行更紧、左侧暗部更厚 */
.hero h1{font-size:clamp(46px,5.6vw,90px);line-height:1.13;letter-spacing:-.05em;max-width:960px}
.hero:after{background:linear-gradient(96deg,#0d1110f5 0%,#0d1110cf 34%,#0d11105c 60%,transparent 84%),linear-gradient(0deg,#0d1110a6,transparent 42%)}
.hero-desc{max-width:420px;font-size:15px;line-height:1.95;color:#d0d0d0;letter-spacing:.02em}
.hero-bottom{padding-right:112px;letter-spacing:.14em}
.hero .actions{margin-top:38px}
.hero .button{min-height:54px;padding:14px 26px;gap:44px}

/* 章节节奏：留白更大，标题更重 */
.section{padding:clamp(84px,8vw,130px) 0}
.section-slim{padding:clamp(56px,6vw,92px) 0}
.section-head{margin-bottom:clamp(38px,4.2vw,62px)}
.section-head h2,.story h2{font-size:clamp(30px,3.4vw,52px);line-height:1.24;letter-spacing:-.04em}
.large-statement{font-size:clamp(32px,3.7vw,58px);line-height:1.32;letter-spacing:-.04em}
.intro-copy{font-size:15.5px;line-height:2.05}
.cta-band{padding:clamp(64px,7vw,96px) 0}
.cta-band h2{letter-spacing:-.04em}

/* 品类索引条：做出样本目录的秩序感 */
.index-band{padding:26px 0}
.index-band .wrap{font-size:13px}
.index-band span{gap:14px}
.index-band span+span{padding-left:26px;border-left:1px solid var(--line)}
.index-band b{font-size:10px;letter-spacing:.1em}

/* 卡片与列表：hover 有反馈，但不花 */
.product-photo{transition:background .35s}
.product-card:hover .product-photo{background:var(--surface-soft)}
.card-meta{letter-spacing:.09em}
.product-card h3{letter-spacing:-.01em;font-weight:600}
.series-row h3{letter-spacing:-.03em}
.news-row h3{letter-spacing:-.02em}
.process-item h3{letter-spacing:-.03em}

/* 箭头微动效 */
.arrow-link{transition:gap .25s,opacity .25s}
.arrow-link:hover{gap:42px}
.arrow-link span{transition:transform .25s}
.arrow-link:hover span{transform:translate(2px,-2px)}

/* 演示说明：弱化，不抢正文 */
.demo-note{font-size:11px;line-height:1.8;color:#999999;opacity:.8}
.dark .demo-note{color:#999999}

/* 内页首屏 */
.page-intro{padding:64px 0 72px}
.page-intro h1{letter-spacing:-.045em;line-height:1.18}
.page-intro p{line-height:2.05}
.company-hero-copy h1{letter-spacing:-.05em;line-height:1.16}

@media(max-width:1100px){
  .hero h1{font-size:clamp(40px,6.6vw,64px);line-height:1.18}
  .hero-bottom{padding-right:60px}
  .index-band span+span{padding-left:16px}
}
@media(max-width:820px){
  .hero h1{font-size:clamp(34px,8.4vw,46px);line-height:1.22}
  .hero-desc{font-size:13.5px}
  .brand-word{font-size:32px}
  .brand-cn{font-size:15px;letter-spacing:.14em}
  .index-band .wrap{font-size:12px}
  .index-band span+span{border-left:none;padding-left:0}
  .hero-bottom{padding-right:0;flex-direction:column;align-items:flex-start;gap:8px}
}

/* v2.1 细节修正：小字提权、内页首屏平衡 */
:root{--muted:#5d6159}
.series-row p,.news-row p,.product-card p{font-size:13.5px;line-height:1.85}
.featured .product-card p{color:#c6c6c6}
.featured .card-meta{color:#bfbfbf}
.series-row h3{font-weight:600}
.news-row h3{font-weight:600}
/* 内页首屏：右侧说明加分隔线，填充右侧空白 */
.page-intro .wrap>p:last-child{border-top:1px solid var(--line);padding-top:18px;position:relative}
.page-intro .wrap>p:last-child:before{content:'';position:absolute;top:-1px;left:0;width:44px;height:1px;background:var(--gold)}
.page-intro.dark .wrap>p:last-child{border-color:#ffffff2e}
.page-intro .wrap{align-items:end}
/* 说明文字与正文的对比度 */
.intro-copy,.story-text p,.page-intro p{color:#5c5c5c}
.story-text h2{font-weight:500}
/* 四宫格符号 */
.app-symbol{opacity:.85}

/* 移动端：首屏按钮等宽竖排，避免宽度参差 */
@media(max-width:600px){
  .hero .actions{flex-direction:column;align-items:stretch;gap:10px}
  .hero .button{width:100%;justify-content:space-between}
  .page-intro .wrap>p:last-child{margin-top:26px}
  .page-intro{padding:44px 0 52px}
}
@media(max-width:820px){
  .hero-bottom>span:first-child{display:none}
  .hero-bottom{gap:0}
}

/* v2.2 产品图与数字条排印 */
.product-photo{box-shadow:inset 0 0 0 1px #eeece4}
.product-photo img{height:82%;width:78%}
.catalog-layout .product-photo{aspect-ratio:1.26}
.evidence-strip strong{font-size:74px;letter-spacing:-.055em}
.evidence-strip small{font-size:14px;margin-left:10px;vertical-align:10px;letter-spacing:.06em;color:#606060}
.evidence-strip p{font-size:12.5px;line-height:1.9}
@media(max-width:700px){
  .evidence-strip strong{font-size:46px}
  .evidence-strip small{font-size:11px;vertical-align:6px}
}

/* 移动端常驻咨询条（手机访客的主要动作是打电话） */
.mobile-call{display:none}
@media(max-width:820px){
  .mobile-call{display:flex;align-items:center;justify-content:space-between;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:60;
    padding:13px 20px calc(13px + env(safe-area-inset-bottom));background:var(--dark);color:var(--paper);border-top:1px solid #ffffff26}
  .mobile-call span{font-size:11px;letter-spacing:.08em;color:#bfbfbf}
  .mobile-call strong{font:17px var(--mono);letter-spacing:.04em;font-weight:400}
  .mobile-call i{font-style:normal;font-size:18px;color:var(--gold)}
  body{padding-bottom:64px}
  .backtop{bottom:78px;width:40px;height:40px}
  .cta-band .button.solid{margin-bottom:8px}
}

/* 关于页首屏：示意图过亮，压暗让标题成为主体 */
.company-hero>img{filter:saturate(.28) brightness(.62) contrast(1.05)}
.company-hero:after{background:linear-gradient(96deg,#0c100eee 0%,#0c100ed4 38%,#0c100ea8 66%,#0c100e78 100%),linear-gradient(0deg,#0c100ecc,transparent 55%)}
.company-hero h1{text-shadow:0 2px 30px #00000059}
.company-hero-copy>p:not(.eyebrow){color:#dddddd}
.evidence-strip small{vertical-align:4px}

/* v3 品牌质感：字重放轻、副标提权、次按钮降级为文字链 */
.hero h1,.company-hero h1{font-weight:400;letter-spacing:-.055em}
.hero h1 .outline{color:#d2d2d2}
.hero-desc{font-size:15.5px;line-height:2.1;color:#c6c6c6;letter-spacing:.02em}
.company-hero-copy>p:not(.eyebrow){font-size:15.5px;line-height:2.05;color:#d2d2d2}
/* 次按钮改为文字链，主按钮保持实心 */
.hero .button:not(.light){background:none;border:none;padding-left:0;padding-right:0;min-height:auto;border-bottom:1px solid #ffffff59;gap:18px}
.hero .button:not(.light):hover{background:none;color:#fff;border-bottom-color:#fff}
.hero .actions{gap:34px;align-items:center;margin-top:42px}
.company-hero .button:not(.light){background:none;border:none;padding-left:0;padding-right:0;border-bottom:1px solid #ffffff59;gap:18px}
.company-hero .button:not(.light):hover{background:none;border-bottom-color:#fff}
.company-hero .actions{gap:34px;align-items:center}
/* 首屏下部落款 */
.hero-bottom{color:#b8b8b8;font-size:10.5px}
/* 章节大标题同步放轻 */
.section-head h2,.story h2,.large-statement,.company-intro h2{font-weight:400}

/* v3.1 再放轻一档；首屏导航去按钮化 */
.hero h1{font-weight:300}
.company-hero h1{font-weight:300}
.section-head h2,.story h2,.large-statement{font-weight:300}
.site-header.overlay .nav .nav-contact{border:none;background:none;padding:6px 0;border-bottom:1px solid currentColor;backdrop-filter:none;-webkit-backdrop-filter:none}
.site-header.overlay .nav .nav-contact:hover{background:none;color:#fff}
.hero-bottom{right:calc(var(--gutter) + 56px);color:#cccccc}

/* v3.2 首屏顶部暗化，保证导航可读；第二行标题提亮 */
.site-header.overlay{background:linear-gradient(180deg,#0a0d0bc9 0%,#0a0d0b5e 46%,#0a0d0b00 100%);border-bottom:none}
.hero h1 .outline{color:#dedede}
.company-hero h1 .outline{color:#dedede}
.site-header.overlay{background:linear-gradient(180deg,rgba(10,13,11,.95) 0,rgba(10,13,11,.88) 96px,rgba(10,13,11,0) 230px)}
/* 深色区标题字重回到 400，避免细体在暗底上发虚 */
.dark .section-head h2,.dark .story h2,.dark h2{font-weight:400}
.evidence-strip small{vertical-align:0;font-size:13px;color:#626262}
.evidence-strip p{font-size:13px;color:#5c5c5c}

/* 数字条底部对齐；米色区标题 400 */
.evidence-strip strong{display:flex;align-items:flex-end;line-height:1;gap:8px}
.evidence-strip small{vertical-align:baseline;padding-bottom:9px;font-size:13px}
.warm-section .section-head h2,.warm-section h2{font-weight:400}

/* 数字条改为三行结构：数字 / 单位 / 说明 */
.evidence-strip strong{display:block;line-height:1;padding-bottom:11px}
.evidence-strip small{display:block;padding:0;font-size:12.5px;letter-spacing:.14em;color:#6b6f66}
.evidence-strip p{margin-top:6px}
.cta-band h2{font-weight:400;line-height:1.35}
.partner-grid{border-top:1px solid var(--line)}
.partner-logo{border:none;border-bottom:1px solid var(--line);background:none}
.partner-logo img{opacity:.9}

/* 移动端首屏：文字链按钮收紧，副标换行更整齐 */
@media(max-width:600px){
  .hero .actions{gap:16px}
  .hero .button:not(.light){padding:11px 0;min-height:44px}
  .company-hero .actions{gap:16px}
  .company-hero .button:not(.light){padding:11px 0;min-height:44px}
  .hero-desc{font-size:13.5px;line-height:1.95;max-width:100%}
}
@media(max-width:820px){
  .hero:after{background:linear-gradient(100deg,#0d1110f2 0%,#0d1110c4 52%,#0d11103d 88%),linear-gradient(0deg,#0d1110d4 2%,transparent 62%)}
  .hero-image{object-position:72% center}
}
/* 导航统一为文字链，全站一致 */
.site-header .nav .nav-contact{border:none;background:none;padding:6px 0;border-bottom:1px solid currentColor}
.site-header .nav .nav-contact:hover{background:none;color:inherit}
.site-header:not(.overlay) .nav .nav-contact{border-bottom-color:var(--ink)}
/* ===== v3.3 · 收尾修正（2026-11-15） ===== */
/* 导航「联系我们」恢复为仅悬停显示下划线，避免与当前页状态混淆 */
.site-header:not(.overlay) .nav .nav-contact,
.site-header.overlay .nav .nav-contact{border-bottom-color:transparent}
.site-header .nav .nav-contact:hover,
.site-header.overlay .nav .nav-contact:hover,
.site-header .nav .nav-contact:focus-visible,
.site-header.overlay .nav .nav-contact:focus-visible{border-bottom-color:currentColor}
/* 段落避免末行孤字 */
p,li,dd,figcaption{text-wrap:pretty}
.hero h1,.page-intro h1,.section-head h2,.story h2,.large-statement,.cta-band h2{text-wrap:balance}
/* 回到顶部箭头居中 */
.backtop{text-align:center;line-height:42px;padding:0}
@media(max-width:820px){.backtop{line-height:38px}}
/* Original SVG application studies: a visual anchor and a clear selection brief. */
.scene-illustrated{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(36px,6vw,94px);align-items:center;scroll-margin-top:36px}
.scene-illustrated>div{min-width:0}.scene-illustrated h2{font-size:clamp(29px,3vw,43px);line-height:1.4;letter-spacing:-.035em}.scene-illustrated .scene-sub{margin-top:12px;font-size:14px}.scene-art{margin:28px 0 0;border:1px solid #dfddd5;background:var(--surface-soft);overflow:hidden}.scene-art-image{aspect-ratio:3/2;overflow:hidden;background:radial-gradient(ellipse at 48% 38%,#ffffff 0%,var(--surface-soft) 68%)}.scene-art img{width:100%;height:100%;object-fit:contain}.scene-art figcaption{display:flex;justify-content:space-between;gap:16px;padding:14px 19px;border-top:1px solid #e4e0d7;font:10px/1.6 var(--mono);letter-spacing:.08em;color:#7a7469}.scene-art figcaption span:last-child{font-family:var(--body);letter-spacing:.06em}.scene-content{padding-top:6px}.scene-content-label{font-size:10px;margin-bottom:21px}.scene-illustrated .lead{font-size:18px;line-height:1.95;max-width:540px;text-wrap:pretty}.scene-illustrated .scene-checks{margin:28px 0 25px}.scene-illustrated .scene-checks>div{grid-template-columns:70px minmax(0,1fr);gap:22px;padding:20px 0;font-size:13px;line-height:1.9}.scene-illustrated .scene-checks>div:last-child{border-bottom:1px solid var(--line)}.scene-illustrated .scene-checks dt{font-size:12px}.scene-illustrated .scene-checks dd{overflow-wrap:anywhere}.scene-illustrated .arrow-link{font-size:13px}.scene-illustrated .scene-checks>div:last-child dd{color:var(--ink)}
@media(max-width:1000px){.scene-illustrated{gap:38px}.scene-illustrated .lead{font-size:16px}.scene-illustrated .scene-checks>div{gap:15px;padding:16px 0}}
@media(max-width:700px){.scene-illustrated{grid-template-columns:1fr;gap:31px;scroll-margin-top:24px}.scene-illustrated .scene-sub{font-size:13px}.scene-art{margin-top:22px}.scene-art figcaption{padding:12px 14px;font-size:9px}.scene-content{padding:0}.scene-content-label{margin-bottom:14px}.scene-illustrated .lead{font-size:16px;line-height:1.9}.scene-illustrated .scene-checks{margin-top:22px}.scene-illustrated .scene-checks>div{grid-template-columns:64px minmax(0,1fr);gap:15px}.scene-illustrated .arrow-link{min-height:44px}}
.product-image-pending{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;min-height:250px;width:100%;height:100%;color:#aaa496;background:#fafafa}.product-image-pending>span{font:italic 48px/1 Arial,sans-serif;letter-spacing:-.05em}.product-image-pending small{font:12px var(--body);letter-spacing:.12em}.square-stage .product-image-pending{aspect-ratio:1;min-height:360px}
/* Let each illustration inherit the section surface rather than sit in a card. */
.scene-art{border:0;background:transparent;overflow:visible}.scene-art-image{background:transparent}.scene-art figcaption{border-top:0;padding:10px 0 0;color:#8d8577}.scene-art figcaption span:last-child{color:var(--muted)}
/* About / expertise: four original illustrations on the section's own surface. */
.expertise-illustrated .expert-grid{gap:0 60px}.expertise-illustrated .expert-item{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);grid-template-rows:auto auto 1fr;column-gap:14px;align-content:start;padding:36px 0;min-width:0}.expertise-illustrated .expert-item>.eyebrow{grid-column:1;grid-row:1;align-self:end;margin:0;font-size:10px}.expertise-illustrated .expert-item>h3{grid-column:1;grid-row:2;font-size:clamp(19px,1.7vw,25px);margin:16px 0 14px;line-height:1.5}.expertise-illustrated .expert-item>p{grid-column:1;grid-row:3;font-size:13px;line-height:2;align-self:start}.expert-illustration{grid-column:2;grid-row:1/4;align-self:center;margin:0 -18px 0 -12px;min-width:0;background:transparent}.expert-illustration img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:contain}
@media(max-width:1100px){.expertise-illustrated .expert-grid{gap:0 36px}.expertise-illustrated .expert-item{grid-template-columns:minmax(0,1fr);padding:30px 0}.expertise-illustrated .expert-item>.eyebrow{grid-row:1}.expertise-illustrated .expert-item>h3{grid-row:3;margin:12px 0}.expertise-illustrated .expert-item>p{grid-row:4;max-width:100%}.expert-illustration{grid-column:1;grid-row:2;margin:0;max-width:340px;justify-self:center;width:100%}}
@media(max-width:600px){.expertise-illustrated .expert-grid{grid-template-columns:1fr}.expertise-illustrated .expert-item{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);column-gap:8px;padding:28px 0}.expertise-illustrated .expert-item>.eyebrow{grid-column:1/-1;grid-row:1}.expertise-illustrated .expert-item>h3{grid-column:1;grid-row:2;margin-top:18px;font-size:20px}.expertise-illustrated .expert-item>p{grid-column:1;grid-row:3;font-size:12px}.expert-illustration{grid-column:2;grid-row:2/4;margin:0 -12px 0 -10px;align-self:center;width:calc(100% + 22px);max-width:none}}
/* Homepage cinematic imagery. Copy stays still while images crossfade. */
.hero-media{position:absolute;inset:-12px;transition:transform 1.4s cubic-bezier(.2,.7,.3,1);transform:translate3d(var(--hero-x,0px),var(--hero-y,0px),0)}.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.65s ease;pointer-events:none;overflow:hidden}.hero-slide.is-active{opacity:1}.hero-slide .hero-image{opacity:1;will-change:transform;animation:hero-cinematic-drift 21s ease-in-out infinite alternate;animation-play-state:paused}.hero-slide:nth-child(2) .hero-image{animation-name:hero-cinematic-return;animation-duration:23s;object-position:68% center}.hero.is-carousel .hero-slide.is-active .hero-image{animation-play-state:running}.hero.is-motion-paused .hero-slide .hero-image{animation-play-state:paused}.hero.is-carousel .hero-bottom>span:first-child{visibility:hidden}
@keyframes hero-cinematic-drift{from{transform:scale(1.015) translate3d(-.25%,.15%,0)}to{transform:scale(1.085) translate3d(.6%,-.35%,0)}}
@keyframes hero-cinematic-return{from{transform:scale(1.075) translate3d(.4%,-.2%,0)}to{transform:scale(1.015) translate3d(-.35%,.35%,0)}}
.hero-carousel-controls{position:absolute;z-index:3;bottom:16px;left:var(--gutter);display:flex;align-items:center;gap:18px;color:#ece9df}.hero-slide-choice{display:flex;align-items:center;gap:12px;min-height:44px;padding:8px 0;border:0;background:transparent;color:#c3c4ba;font:11px var(--mono);letter-spacing:.08em}.hero-slide-choice i{display:block;width:40px;height:1px;background:#ffffff35;position:relative}.hero-slide-choice i:after{content:'';position:absolute;inset:0;background:#d7c29e;transform:scaleX(0);transform-origin:left;transition:transform .5s}.hero-slide-choice.is-current{color:#fff}.hero-slide-choice.is-current i:after{transform:scaleX(1)}.hero-autoplay{width:44px;height:44px;display:grid;place-items:center;border:1px solid #ffffff35;border-radius:50%;background:#10130e18;color:#e7e7dc;transition:background .2s}.hero-autoplay:hover{background:#ffffff1c}.hero-slide-choice:hover{color:#fff}
@media(max-width:820px){.hero-slide .hero-image{object-position:72% center}.hero-slide:nth-child(2) .hero-image{object-position:75% center}.hero-media{inset:-6px;transform:none;transition:none}.hero.is-carousel .hero-bottom{bottom:76px;right:var(--gutter);padding:0}.hero.is-carousel .hero-bottom>span:last-child{text-align:left;max-width:none}.hero.is-carousel .hero-inner{padding-bottom:160px}.hero-carousel-controls{gap:16px;bottom:18px}.hero-slide .hero-image{animation-name:hero-mobile-drift}.hero-slide:nth-child(2) .hero-image{animation-name:hero-mobile-drift;animation-direction:alternate-reverse}}
@keyframes hero-mobile-drift{from{transform:scale(1.015)}to{transform:scale(1.055)}}
@media(prefers-reduced-motion:reduce){.hero-media{transform:none!important}.hero-slide{transition:none}.hero-slide .hero-image{animation:none!important;transform:none!important}}
@media print{.hero-media,.hero-carousel-controls{display:none}}
/* Let the navigation shade fade beyond the header instead of ending at its edge. */
.site-header.overlay{background:transparent;border-bottom:0;isolation:isolate}
.site-header.overlay::before{content:"";position:absolute;inset:0 0 -130px;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(0,0,0,.72) 0%,rgba(0,0,0,.50) 35%,rgba(0,0,0,.20) 66%,rgba(0,0,0,0) 100%)}
@media(max-width:820px){.site-header.overlay::before{bottom:-100px;background:linear-gradient(180deg,rgba(0,0,0,.72) 0%,rgba(0,0,0,.42) 40%,rgba(0,0,0,0) 100%)}}
/* Shared fixed navigation. Reserve its original height on pages without an overlay. */
@media screen{
 body.has-standard-header{padding-top:94px}
 .site-header,.site-header.overlay{position:fixed;inset:0 0 auto;transition:background-color .36s ease,color .3s ease,box-shadow .36s ease}
 .site-header.overlay::before{transition:opacity .36s ease}
 .site-header .header-inner{transition:height .36s cubic-bezier(.22,.61,.36,1)}
 .site-header .brand-word{transition:font-size .36s ease}
 .site-header.is-scrolled,.site-header.overlay.is-scrolled{background:#fff;color:#191919;border-bottom-color:transparent;box-shadow:0 1px 0 #00000012,0 5px 20px #00000006}
 .site-header.is-scrolled::before{opacity:0}
 .site-header.is-scrolled .header-inner{height:68px}
 .site-header.is-scrolled .brand-word{font-size:34px}
 .site-header.is-scrolled .nav .nav-contact:hover,
 .site-header.is-scrolled .nav .nav-contact:focus-visible{color:#191919;border-bottom-color:currentColor}
 main [id]{scroll-margin-top:92px}
 .catalog-aside{top:92px;max-height:calc(100svh - 112px)}
}
@media screen and (max-width:1100px){body.has-standard-header{padding-top:80px}}
@media screen and (max-width:800px){
 body.has-standard-header{padding-top:76px}
 .site-header .nav{top:100%}
 .site-header.is-scrolled .header-inner{height:62px}
 .site-header.is-scrolled .brand-word{font-size:30px}
 .site-header.is-scrolled .nav{background:#fff;color:#191919;border-top-color:#e5e5e5;box-shadow:0 14px 24px #00000012}
}
@media(prefers-reduced-motion:reduce){.site-header,.site-header.overlay,.site-header.overlay::before,.site-header .header-inner,.site-header .brand-word{transition:none}}