@charset "UTF-8";
:root{--ink:#142e43;--body:#43576a;--muted:#738291;--accent:#087b81;--accent-dark:#05636a;--navy:#122f45;--line:#dfe7eb;--soft:#f3f7f8;--white:#fff;--radius:12px;--shadow:0 12px 34px #183d5010;--wrap:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;color:var(--body);background:#fff;font:15px/1.75 "Microsoft YaHei","PingFang SC","Noto Sans 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#d7e6e6;border-radius:12px;padding:42px}.contact-symbol{display:grid;place-items:center;background:#fff;width:54px;height:54px;border-radius:12px;color:var(--accent);margin-bottom:30px}.contact-symbol svg{width:25px;height:25px}.contact-primary h2{font-size:25px}.contact-phone{display:block;font-size:clamp(28px,3vw,42px);font-weight:650;line-height:1.4;letter-spacing:1px;color:var(--accent);margin:17px 0}.contact-primary>p:not(.eyebrow){font-size:13px;color:var(--muted);margin-bottom:25px}.contact-secondary{border:1px solid var(--line);border-radius:12px;padding:38px}.contact-secondary h2{font-size:22px}.contact-secondary dl{margin:20px 0}.contact-secondary dl>div{display:flex;gap:15px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px}.contact-secondary dt{width:85px;color:var(--muted);flex-shrink:0}.contact-secondary dd{margin:0;overflow-wrap:anywhere;min-width:0;color:var(--ink)}.muted{font-size:12px;color:var(--muted)}.article-list article{display:grid;grid-template-columns:85px 1fr;gap:28px;border-top:1px solid var(--line);padding:28px 0}.article-list article:last-child{border-bottom:1px solid var(--line)}.article-date{text-align:center;background:var(--soft);border-radius:6px;align-self:start;padding:10px}.article-date strong{font-size:29px;line-height:1.3;font-weight:500;display:block;color:var(--ink)}.article-date span{font-size:11px;color:var(--muted)}.article-list h2{font-size:20px;margin-bottom:10px}.article-list p{font-size:13px;color:var(--muted);margin-bottom:10px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:27px;padding-top:12px}.article-header{border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:28px}.article-header h1{font-size:29px;margin:17px 0}.article-header>p{font-size:11px;color:var(--muted)}.article-header>p>span{margin-left:22px}.article-pager{border-top:1px solid var(--line);margin-top:32px;padding-top:20px;font-size:12px}.article-pager>div{margin-bottom:10px}.article-pager a{color:var(--accent)}.article-aside{align-self:start;background:var(--soft);padding:25px;border:1px solid var(--line);border-radius:10px}.article-aside h2{font-size:20px}.article-aside p:not(.eyebrow){font-size:13px;margin:14px 0 22px;color:var(--muted)}.article-aside>a:last-child{display:block;font-size:20px;color:var(--accent);margin-top:15px}.image-unavailable{position:relative;min-height:100px;background:#f1f5f6}.image-unavailable:after{content:"产品图片待补充";position:absolute;inset:0;display:grid;place-items:center;color:#83949e;font-size:12px}.image-unavailable img{visibility:hidden}[hidden]{display:none!important}
@media(min-width:1450px){:root{--wrap:1280px}.hero-layout{padding-top:78px;padding-bottom:78px}.hero h1{font-size:51px}}
@media(max-width:1100px){.header-main{gap:22px}.brand-product{font-size:14px}.brand{gap:12px}.brand img{width:114px}.header-contact{display:none}.nav-inner{gap:30px}.nav-note{display:none}.hero-layout{gap:28px}.hero-featured-grid{padding:15px;gap:10px}.hero-product:not(:first-child){grid-template-columns:60px 1fr;padding:10px}.hero-product:not(:first-child)>div{width:60px;height:80px}.hero h1{font-size:38px}.hero-actions .button{padding:11px 15px;font-size:12px}.product-grid{gap:16px}.product-card-body{padding:15px}.detail-overview{gap:30px}.detail-info h1{font-size:24px}.footer-grid{gap:25px}.hero-tags{gap:12px;font-size:10px}}
@media(max-width:850px){.wrap{width:calc(100% - 40px)}.header-main{min-height:90px}.brand-divider,.brand-product{display:none}.site-search{max-width:380px;margin-left:auto}.nav-inner{gap:26px}.hero-layout{grid-template-columns:1fr;gap:35px;padding-top:40px;padding-bottom:38px}.hero-copy{max-width:600px}.hero h1{font-size:40px}.hero-description{margin-top:16px}.hero-products{max-width:100%;width:100%}.hero-featured-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;padding:18px}.hero-product:first-child{grid-row:auto}.hero-product:not(:first-child){display:flex;padding:14px;gap:0}.hero-product:not(:first-child)>div{width:100%;height:auto;aspect-ratio:1}.hero-product>div{width:100%;aspect-ratio:1}.hero-product img{max-height:170px}.hero-product:first-child>span:not(.hero-product-arrow),.hero-product>span:not(.hero-product-arrow){margin-top:12px;font-size:12px}.hero-product h2,.hero-product:first-child h2{font-size:11px}.hero-panel-top,.hero-panel-bottom{padding-left:20px;padding-right:20px}.section{padding-top:45px;padding-bottom:45px}.section-heading h2{font-size:24px}.product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.category-tile{padding:18px}.category-tile h3{font-size:14px}.footer-grid{grid-template-columns:1.5fr 1fr;gap:30px}.consult-strip h2{font-size:21px}.news-columns{gap:25px}.news-row{grid-template-columns:70px 1fr 12px;gap:10px}.news-row time{font-size:10px}.detail-overview{gap:25px;grid-template-columns:1fr 1.15fr}.detail-image>img{padding:20px}.detail-info h1{font-size:22px}.detail-model{margin-top:14px}.key-specs{grid-template-columns:1fr}.key-specs>div{display:flex;gap:10px;padding:8px 0}.key-specs dt{min-width:75px}.key-specs dd{margin:0}.detail-actions{flex-direction:column;align-items:stretch}.detail-contact>span{display:block;margin-left:0;margin-top:5px}.article-layout{grid-template-columns:1fr}.article-aside{display:none}.contact-layout{gap:18px}.contact-primary,.contact-secondary{padding:27px}.contact-phone{font-size:29px}.filter-bar{flex-wrap:wrap}.filter-field:first-child{flex-basis:100%}.filter-field{flex-basis:60%}}
@media(max-width:600px){body{font-size:14px;padding-bottom:calc(63px + env(safe-area-inset-bottom))}.wrap{width:calc(100% - 32px)}.utility>.wrap{padding:6px 0;font-size:10px;letter-spacing:0}.utility>.wrap>span{max-width:56%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.header-main{flex-wrap:wrap;gap:12px;padding-top:16px;padding-bottom:15px;min-height:0}.brand img{width:109px;max-height:40px}.brand-product{display:block;font-size:13px;letter-spacing:0}.brand-product>span{font-size:9px;letter-spacing:0}.brand-divider{display:block;height:28px}.brand{gap:10px}.site-search{order:3;flex-basis:100%;max-width:100%;height:41px}.site-search input{font-size:12px}.menu-toggle{display:flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:5px;background:#fff;padding:7px 9px;font-size:11px;margin-left:auto;min-height:36px}.menu-toggle svg{width:16px;height:16px}.main-navigation{display:none}.main-navigation.open{display:block}.nav-inner{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;padding:8px 0}.nav-inner>a,.nav-group>a{min-height:42px;font-size:13px}.nav-group{flex-wrap:wrap}.nav-group .nav-categories{position:static;box-shadow:none;border:0;min-width:0;width:100%;padding:0 0 10px;background:#f6f9fa}.nav-group:hover:not(.open) .nav-categories{display:none}.nav-group.open{grid-column:span 2}.nav-group.open .nav-categories{display:grid;grid-template-columns:1fr 1fr}.nav-categories a{font-size:11px;padding:8px}.nav-group>a.active:after,.nav-inner a.active:after{display:none}.category-toggle{padding:8px 12px}.hero-layout{padding-top:32px;padding-bottom:25px;gap:27px}.eyebrow{font-size:9px;letter-spacing:1.7px;margin-bottom:10px}.hero h1{font-size:34px;letter-spacing:-1px}.hero-description{font-size:12px;line-height:1.9;margin-top:17px}.hero-actions{gap:9px;margin-top:23px}.hero-actions .button{padding:10px 14px;font-size:12px;min-height:42px;gap:8px}.hero-tags{margin-top:21px;gap:12px;font-size:9px}.hero-panel-top{padding:12px 13px;font-size:7px;letter-spacing:.8px}.hero-featured-grid{padding:11px;gap:8px}.hero-product,.hero-product:not(:first-child){padding:8px;border-radius:6px}.hero-product img{padding:2px}.hero-product>span:not(.hero-product-arrow),.hero-product:first-child>span:not(.hero-product-arrow){font-size:9px;margin-top:7px;letter-spacing:.2px;overflow-wrap:anywhere}.hero-product h2,.hero-product:first-child h2{font-size:9px;line-height:1.65;margin-top:5px}.hero-product-arrow{display:none}.hero-panel-bottom{font-size:8px;padding:0 13px 12px;letter-spacing:0}.section{padding-top:34px;padding-bottom:34px}.section-bottom{padding-bottom:38px}.section-heading{margin-bottom:22px;align-items:start;gap:15px}.section-heading h2{font-size:22px;letter-spacing:-.5px}.section-heading .text-link{font-size:11px;gap:4px;margin-top:23px}.section-heading .text-link .icon{width:15px}.section-heading .text-link{flex-shrink:1;max-width:100px;white-space:normal;text-align:right;justify-content:end}.section-heading p:not(.eyebrow){font-size:12px;margin-top:6px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category-tile{padding:15px}.category-number{font-size:9px}.category-tile h3{font-size:13px;margin:9px 0}.category-tile>span:last-child{font-size:9px}.category-tile .icon{width:14px;height:14px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.product-card{border-radius:9px}.product-image img{padding:13px}.product-card-body{padding:13px 12px}.model-label{font-size:10px;letter-spacing:.4px}.product-card h3{font-size:12px;line-height:1.75;margin:6px 0 8px}.product-card-body>p{font-size:10px;margin-bottom:12px;-webkit-line-clamp:3}.card-link{font-size:10px;padding-top:10px}.news-columns{grid-template-columns:1fr;gap:25px}.news-panel-heading{padding-bottom:13px}.news-panel-heading h3{font-size:18px}.news-row{padding:15px 0;grid-template-columns:76px 1fr 12px}.news-row h4{font-size:12px}.consult-strip{padding:28px 0}.consult-strip>.wrap{flex-direction:column;align-items:start;gap:20px}.consult-strip h2{font-size:20px}.consult-strip .button{font-size:13px;padding:10px 17px}.consult-strip p:last-child{font-size:11px}.footer-grid{grid-template-columns:1fr 1fr;gap:23px;padding-bottom:28px}.footer-brand{grid-column:span 2}.footer-brand>a{font-size:20px}.footer-brand>a span{display:inline-block;margin:0 0 0 12px;font-size:10px}.footer-brand p{font-size:11px}.footer-grid>div:last-child{grid-column:span 2}.footer-grid h3{margin-bottom:11px}.site-footer{padding-top:30px}.footer-grid>div>a{font-size:11px}.footer-grid>div>.footer-phone{font-size:22px}.footer-bottom{flex-wrap:wrap;justify-content:start;gap:8px 18px;font-size:9px;padding:16px 0}.mobile-contact{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:50;grid-template-columns:1fr 1.25fr 1fr;background:#fff;box-shadow:0 -3px 15px #163b4810;border-top:1px solid var(--line);padding:6px 10px calc(6px + env(safe-area-inset-bottom));gap:8px}.mobile-contact a{display:flex;align-items:center;justify-content:center;gap:6px;color:var(--accent);font-size:11px;min-height:43px;border-radius:6px}.mobile-contact a:nth-child(2){background:var(--accent);color:#fff}.mobile-contact .icon{width:17px;height:17px}.breadcrumb{font-size:10px;padding-top:17px;padding-bottom:11px;gap:7px}.page-heading{padding-top:15px;padding-bottom:24px}.page-heading h1{font-size:28px;line-height:1.5;margin-bottom:8px;letter-spacing:-.6px}.page-heading>p:last-child{font-size:12px}.category-chips{padding:16px 0;gap:7px;margin-bottom:18px}.category-chips>a{font-size:10px;padding:5px 10px}.listing-toolbar{font-size:9px;gap:10px;margin-bottom:16px}.pagination{margin-top:25px;gap:5px}.pagination a,.pagination li>span,.pagination>strong{font-size:11px;min-width:32px;min-height:34px;padding:4px 9px}.detail-overview{grid-template-columns:1fr;gap:22px;padding:8px 0 26px}.detail-image{max-width:500px;width:100%;margin:0 auto}.detail-image>img{padding:27px}.detail-model{margin:15px 0 5px;font-size:13px}.detail-info h1{font-size:24px;line-height:1.6}.detail-summary{font-size:12px;margin:14px 0}.key-specs{grid-template-columns:1fr 1fr;gap:0 18px;margin:15px 0}.key-specs>div{display:block;padding:10px 0}.key-specs dt{font-size:10px}.key-specs dd{font-size:12px;margin-top:4px}.detail-actions{flex-direction:row;gap:9px;margin-top:20px}.detail-actions .button{padding:10px 12px;flex:1;min-width:135px;font-size:11px}.detail-actions svg{width:16px;height:16px}.detail-note{font-size:10px}.detail-contact{font-size:11px;margin-top:13px}.detail-contact>span{display:inline-block;margin:0 0 0 12px}.detail-tabs{gap:0;justify-content:space-around;padding:0 10px;margin-bottom:22px}.detail-tabs a{font-size:11px;padding:14px 0}.detail-section{padding:20px 17px;margin-bottom:15px}.detail-section h2{font-size:20px}.detail-section .section-heading{flex-wrap:wrap;gap:5px}.detail-section .section-heading .text-link{max-width:none;margin-top:0}.detail-section>p{font-size:12px}.rich-content{font-size:13px;line-height:1.95}.rich-content table{min-width:540px;font-size:11px}.rich-content td,.rich-content th{padding:10px!important;min-width:70px}.rich-content h3{font-size:18px}.search-result{grid-template-columns:105px 1fr;align-items:stretch}.search-result>.product-image{align-self:center;border-right:0;border-bottom:0}.search-result>div{padding:15px 12px}.search-result h2{font-size:14px;margin:5px 0 8px;overflow-wrap:anywhere}.search-result p{font-size:11px;margin-bottom:11px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.search-result .card-link{min-width:0;gap:15px;font-size:10px}.empty-state{padding:40px 17px 45px}.empty-state h1,.empty-state h2{font-size:21px}.empty-state p{font-size:12px}.content-panel{padding:22px 18px}.price-note{font-size:11px;padding:12px 14px}.filter-bar{padding:16px;gap:12px}.filter-field{flex-basis:100%}.filter-field label{font-size:11px}.filter-field input,.filter-field select{font-size:12px}.filter-bar .button{font-size:12px;width:100%;min-height:41px}.result-count{font-size:12px;margin:15px 0 20px}.quote-section h2{font-size:17px;margin-bottom:12px}.quote-table{min-width:680px;font-size:11px}.quote-table th,.quote-table td{padding:11px 13px}.contact-layout{grid-template-columns:1fr;gap:16px}.contact-primary,.contact-secondary{padding:25px}.contact-primary h2{font-size:23px}.contact-phone{font-size:33px}.contact-symbol{margin-bottom:22px;width:45px;height:45px}.contact-secondary h2{font-size:21px}.contact-secondary dl>div{font-size:13px}.contact-secondary dt{width:75px}.article-list article{grid-template-columns:58px 1fr;gap:17px;padding:22px 0}.article-date{padding:8px 4px}.article-date strong{font-size:25px}.article-date span{font-size:9px}.article-list h2{font-size:16px}.article-list p{font-size:11px}.article-header h1{font-size:24px;line-height:1.6}.article-header>p>span{display:block;margin:4px 0 0}.article-pager{font-size:11px}.article-layout{padding-top:7px}.article-header{padding-bottom:20px;margin-bottom:20px}}
.rich-content div,.rich-content p{max-width:100%!important}.rich-content span,.rich-content font{font-family:inherit!important;font-size:inherit!important;color:inherit!important}.category-tile:last-child{grid-column:span 2}
@media(min-width:601px) and (max-width:850px){.category-tile:last-child{grid-column:span 3}}
@media(max-width:360px){.brand img{width:98px}.brand-product{font-size:11px}.brand-product>span{font-size:8px}.hero h1{font-size:31px}.hero-tags{gap:8px;font-size:8px}.product-card-body{padding:11px 10px}.detail-contact>span{display:block;margin:5px 0 0}.detail-tabs a{font-size:10px}}
.category-toggle{display:inline-flex;align-items:center;justify-content:center;align-self:center;flex:0 0 24px;width:24px;height:32px;padding:0;color:inherit}.category-toggle .icon{display:block;width:12px;height:12px}
@media(max-width:600px){.detail-actions .button{flex:0 1 auto;min-width:0}}
.key-specs{grid-template-columns:minmax(0,1fr);gap:0}.key-specs>div{display:grid;grid-template-columns:140px minmax(0,1fr);align-items:baseline;gap:16px;padding:13px 0}.key-specs dt{font-size:12px;min-width:0}.key-specs dd{margin:0;font-size:14px}
.detail-actions{align-items:center;gap:14px 22px}.detail-actions>.detail-contact{display:flex;align-items:center;flex:0 0 auto;gap:20px;margin:0}.detail-actions>.detail-contact>span{display:inline-block;white-space:nowrap;margin:0}
@media(max-width:600px){.key-specs>div{grid-template-columns:110px minmax(0,1fr);gap:12px;padding:11px 0}.key-specs dt{font-size:11px}.key-specs dd{font-size:12px}.detail-actions{gap:13px 16px}.detail-actions>.detail-contact{gap:14px;font-size:11px}}
.hero h1.hero-product-title{font-size:clamp(24px,2.75vw,38px);line-height:1.65;letter-spacing:-.8px}.hero-product-title>.hero-title-item{display:inline-block;white-space:nowrap;color:var(--ink)}.hero-product-title>.hero-title-item:nth-last-child(-n+2){color:var(--accent)}
@media(max-width:600px){.hero h1.hero-product-title{font-size:29px;line-height:1.55;letter-spacing:-.5px}.hero-product-title>.hero-title-item{display:block}.hero-product-title>br{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}