:root{color-scheme:light;--ink:#202b3d;--muted:#687589;--brand:#2459d3;--brand-dark:#1946af;--line:#e5eaf1;--paper:#fff;--wash:#f5f7fa}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--wash);color:var(--ink);font:15px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,.gallery-track:focus-visible{outline:3px solid #94b5ff;outline-offset:4px}img{max-width:100%}h1,h2,h3,p,figure{margin:0}h1,h2,h3{font-weight:650;line-height:1.5}p{overflow-wrap:anywhere}.container{width:min(1140px,calc(100% - 64px));margin-inline:auto}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:100;top:-80px;left:20px;padding:12px 20px;background:var(--brand);color:#fff}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.98);border-bottom:1px solid var(--line)}.header-inner{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;flex-shrink:0}.brand img{object-fit:contain}.site-nav{display:flex;align-items:center;gap:32px;white-space:nowrap;font-size:14px}.site-nav a{position:relative;padding:27px 0;color:#526073}.site-nav a:hover{color:var(--brand)}.site-nav a[aria-current]{color:var(--brand);font-weight:600}.site-nav a[aria-current]:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--brand)}
.eyebrow{display:block;font-size:12px;letter-spacing:.12em;color:var(--brand);font-weight:600;margin-bottom:12px}.catalog-hero{background:linear-gradient(110deg,#edf3ff,#f6f8fc 70%);border-bottom:1px solid var(--line)}.hero-inner{display:flex;align-items:center;justify-content:space-between;gap:48px;padding-block:56px}.catalog-hero h1{font-size:40px;letter-spacing:.03em;margin-bottom:16px}.catalog-hero p{color:#5d6b80;font-size:16px;line-height:1.9}.hero-note{display:flex;align-items:flex-start;gap:15px;padding:22px 28px;background:rgba(255,255,255,.8);border:1px solid #dce5f3;border-radius:12px;flex-shrink:0}.hero-note strong{display:block;margin-bottom:6px;font-size:15px;font-weight:600}.hero-note p{font-size:13px}.note-icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:24px;height:24px;border:1.5px solid #7896d3;border-radius:50%;color:var(--brand);font:600 15px/1 Georgia,serif;margin-top:3px}
.catalog-container{padding-block:36px 48px}.catalog-toolbar{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-bottom:26px;border-bottom:1px solid var(--line)}.category-tabs{display:flex;gap:8px;flex-shrink:0}.category-tabs a{padding:9px 19px;border-radius:7px;color:#687589;font-size:14px}.category-tabs a:hover{background:#eaf0fa}.category-tabs a.selected{background:var(--brand);color:#fff;font-weight:600}.search-form{display:flex;align-items:center;max-width:370px;width:100%;height:44px;border:1px solid #dbe2ec;background:white;border-radius:7px;overflow:visible}.search-form input{width:100%;min-width:0;border:0;background:transparent;padding:10px 14px;font-size:13px;color:var(--ink);border-radius:7px}.search-form button{flex-shrink:0;border:0;border-left:1px solid var(--line);background:transparent;padding:8px 15px;color:var(--brand);font-size:13px}.results-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:27px 22px}.results-heading h2{font-size:19px}.results-heading p{font-size:13px;color:var(--muted)}.results-heading a{margin-left:6px;color:var(--brand)}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.product-card{background:var(--paper);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:box-shadow .2s,border-color .2s}.product-card:hover{border-color:#c6d4ed;box-shadow:0 8px 26px #2135590a}.card-image{display:block;aspect-ratio:1.18;background:#fff;padding:23px 28px;border-bottom:1px solid #f0f2f5}.card-image img{display:block;width:100%;height:100%;object-fit:contain}.card-content{padding:23px 24px 20px;display:flex;flex-direction:column}.card-category{display:flex;gap:8px;align-items:center;font-size:11px;color:var(--muted);margin-bottom:12px}.card-category span:first-child{background:#edf4ff;color:#426aaf;border-radius:4px;padding:2px 8px}.product-card h3{font-size:18px;min-height:54px;margin-bottom:10px;line-height:1.6}.product-card h3 a:hover{color:var(--brand)}.card-summary{font-size:13px;color:var(--muted);min-height:47px;line-height:1.8;margin-bottom:16px}.card-meta{display:flex;gap:12px;align-items:center;font-size:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}.card-meta span{color:var(--muted)}.card-meta strong{font-weight:500}.card-detail{display:flex;align-items:center;justify-content:space-between;color:var(--brand);font-size:14px;font-weight:600;padding-top:18px}.card-detail span{font-size:20px;line-height:1}.card-purchase{font-size:11px;color:#8893a3;margin-top:9px}.catalog-notice{display:flex;align-items:flex-start;gap:20px;font-size:12px;color:var(--muted);padding:23px 0 0;margin-top:27px;border-top:1px solid var(--line)}.catalog-notice strong{white-space:nowrap;color:#516179;font-weight:600}.empty-state{text-align:center;padding:64px 20px;background:white;border:1px solid var(--line);border-radius:12px}.empty-symbol{display:block;font-size:36px;color:#b1bed4}.empty-state h3{font-size:20px;margin:8px 0}.empty-state p{color:var(--muted);margin-bottom:20px}.missing{padding-block:100px}.missing h1{font-size:30px;margin-bottom:18px}.missing p{color:var(--muted);margin-bottom:25px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:12px 22px;min-height:47px;border:1px solid transparent;border-radius:7px;font-size:14px;font-weight:500;line-height:1.5}.button.primary{background:var(--brand);color:white}.button.primary:hover{background:var(--brand-dark)}.button.secondary{background:white;border-color:#d3ddec;color:var(--brand)}.button.secondary:hover{background:#f5f8fe}.app-guide{display:flex;align-items:center;justify-content:space-between;gap:50px;background:#edf3ff;border:1px solid #dde6f6;border-radius:12px;padding:36px 44px;margin-bottom:55px;scroll-margin-top:100px}.app-copy{max-width:650px}.app-guide h2{font-size:26px;margin-bottom:14px}.app-guide p{font-size:14px;color:#617088;line-height:1.9;max-width:560px}.app-actions{display:flex;gap:12px;margin-top:23px}.app-qr{padding:12px 12px 7px;background:white;border-radius:8px;text-align:center;flex-shrink:0}.app-qr img{display:block;width:140px;height:140px;object-fit:contain}.app-qr figcaption{font-size:11px;color:var(--muted);padding-top:7px}
.detail-container{padding-bottom:40px}.breadcrumbs{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);padding-block:26px;overflow-wrap:anywhere}.breadcrumbs a{flex-shrink:0}.breadcrumbs a:hover{color:var(--brand)}.product-overview{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:52px;background:white;padding:32px;border:1px solid var(--line);border-radius:12px}.gallery{min-width:0;align-self:start}.gallery-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:thin;overscroll-behavior-x:contain;border-radius:8px}.gallery-slide{width:100%;flex:0 0 100%;scroll-snap-align:start;aspect-ratio:1}.gallery-slide img,.gallery-slide video{width:100%;height:100%;display:block;object-fit:contain}.gallery-slide a{display:block;height:100%}.gallery-controls{display:flex;justify-content:center;align-items:center;gap:35px;padding-top:12px;font-size:12px;color:var(--muted)}.gallery-controls button{background:#eff3fa;border:1px solid #e2e8f1;padding:3px 13px;border-radius:5px;color:#56719c}.gallery-hint{text-align:center;font-size:11px;color:#8893a3;margin-top:7px}.product-intro{padding-top:12px}.category-label{font-size:12px;color:var(--brand);display:block;margin-bottom:15px}.product-intro h1{font-size:29px;line-height:1.5;margin-bottom:18px}.intro-summary{font-size:14px;color:var(--muted);margin-bottom:25px}.quick-facts{margin:0 0 25px;display:grid;gap:12px;font-size:13px}.quick-facts div{display:grid;grid-template-columns:80px 1fr;gap:12px}.quick-facts dt{color:var(--muted)}.quick-facts dd{margin:0;overflow-wrap:anywhere}.purchase-note{display:flex;gap:12px;background:#f2f6fd;border-radius:8px;padding:17px 18px;margin-bottom:20px}.purchase-note .note-icon{width:19px;height:19px;font-size:12px}.purchase-note strong{font-weight:600;font-size:13px}.purchase-note p{font-size:12px;color:#61728c;margin-top:4px;line-height:1.8}.consumer-short{font-size:11px;color:#8993a2;margin-top:14px}.detail-body{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:25px;margin-top:28px}.info-panel{background:white;border:1px solid var(--line);border-radius:12px;padding:28px 32px}.section-heading h2{font-size:22px;margin-bottom:13px}.section-heading .eyebrow{font-size:10px;margin-bottom:7px}.muted{font-size:12px;color:var(--muted);line-height:1.8;margin-bottom:20px}.parameter-table{width:100%;border-collapse:collapse;font-size:13px}.parameter-table th,.parameter-table td{text-align:left;vertical-align:top;padding:13px 0;border-bottom:1px solid #edf0f5;overflow-wrap:anywhere;white-space:pre-line}.parameter-table th{width:29%;padding-right:22px;color:var(--muted);font-weight:400}.parameter-table tr:last-child th,.parameter-table tr:last-child td{border-bottom:0}.consumer-panel{align-self:start;background:#f0f4fa;padding:26px}.consumer-panel .eyebrow{font-size:10px}.consumer-panel h2{font-size:20px;margin-bottom:17px}.consumer-panel p{font-size:13px;color:#607087;margin-bottom:18px}.text-link{color:var(--brand);font-size:13px}.text-link span{margin-left:10px}.product-description{margin-top:28px}.detail-images{border-top:1px solid var(--line)}.detail-images summary{display:flex;align-items:center;justify-content:space-between;cursor:pointer;list-style:none;padding:18px 0 0;color:var(--brand);font-size:14px}.detail-images summary::-webkit-details-marker{display:none}.detail-images summary span{font-size:20px}.detail-images[open] summary{padding-bottom:24px}.detail-image-content{max-width:750px;margin:auto}.detail-image-content img{display:block;width:100%;height:auto}
.site-footer{background:#fff;border-top:1px solid var(--line);padding-block:35px 23px;font-size:12px;color:var(--muted)}.footer-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:16px}.footer-top strong{color:#47566d;font-size:14px;font-weight:600}.footer-top p{font-size:12px;margin-top:5px}.footer-top>a{color:var(--brand)}.footer-address{font-size:11px;line-height:1.9}.footer-bottom{border-top:1px solid var(--line);padding-top:18px;margin-top:24px;display:flex;justify-content:space-between;gap:20px;font-size:11px}.footer-bottom div{display:flex;gap:20px}.site-footer a:hover{color:var(--brand)}
@media(min-width:900px){.gallery-track{scrollbar-width:none}.gallery-track::-webkit-scrollbar{display:none}}
@media(max-width:1000px){.site-nav{gap:22px}.product-grid{gap:16px}.card-content{padding:20px}.product-overview{gap:28px}.product-intro h1{font-size:25px}.detail-body{grid-template-columns:minmax(0,1fr) 260px}.app-guide{padding:30px}.info-panel{padding:24px}}
@media(max-width:760px){.container{width:calc(100% - 36px)}.header-inner{display:block;min-height:0;padding-top:14px}.brand img{width:92px;height:35px}.site-nav{gap:25px;overflow-x:auto;max-width:100%;font-size:12px;scrollbar-width:none}.site-nav a{padding:15px 0 12px}.hero-inner{padding-block:34px;gap:24px}.catalog-hero h1{font-size:30px;margin-bottom:12px}.catalog-hero p{font-size:14px}.hero-note{padding:16px;gap:10px}.hero-note p{font-size:11px}.hero-note strong{font-size:12px}.hero-note .note-icon{width:19px;height:19px;font-size:12px}.catalog-container{padding-block:24px 30px}.catalog-toolbar{flex-wrap:wrap;gap:18px;padding-bottom:20px}.category-tabs{width:100%;gap:6px}.category-tabs a{font-size:13px;padding:8px 16px}.search-form{max-width:none}.results-heading{padding-block:22px 19px;align-items:flex-start}.results-heading h2{font-size:17px}.results-heading p{font-size:11px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.card-image{padding:15px;aspect-ratio:1}.card-content{padding:16px}.card-category{flex-wrap:wrap;gap:5px;font-size:10px}.product-card h3{font-size:15px;min-height:48px}.card-summary{font-size:12px;min-height:64px}.card-meta{font-size:11px;gap:8px}.card-detail{font-size:12px}.card-purchase{font-size:10px}.catalog-notice{display:block;padding-top:20px;margin-top:24px;font-size:11px}.catalog-notice p{margin-top:6px}.app-guide{gap:25px;padding:26px 22px;margin-bottom:35px}.app-guide h2{font-size:22px}.app-guide p{font-size:13px}.app-actions{flex-wrap:wrap}.app-qr img{width:110px;height:110px}.button{padding:11px 15px;font-size:13px;gap:15px}.footer-bottom{display:block}.footer-bottom div{flex-wrap:wrap;gap:6px 16px;margin-top:10px}.breadcrumbs{font-size:11px;gap:9px;padding-block:20px}.product-overview{display:block;padding:22px}.gallery{max-width:460px;margin:auto}.product-intro{padding-top:26px}.product-intro h1{font-size:24px}.detail-body{grid-template-columns:1fr;gap:20px;margin-top:20px}.info-panel{padding:23px}.consumer-panel{padding:23px}.product-description{margin-top:20px}.parameter-table{font-size:12px}.parameter-table th{width:31%;padding-right:16px}.section-heading h2{font-size:20px}}
@media(max-width:480px){.hero-inner{align-items:flex-start;display:block}.hero-note{margin-top:22px;padding:13px 16px;max-width:100%;align-items:center}.hero-note p br{display:none}.hero-note p{font-size:12px}.hero-note strong{font-size:13px;margin-bottom:3px}.product-grid{grid-template-columns:1fr;gap:20px}.card-image{aspect-ratio:1.2;padding:24px 32px}.card-content{padding:22px}.product-card h3{font-size:19px;min-height:0;margin-bottom:10px}.card-summary{font-size:13px;min-height:0;margin-bottom:18px}.card-category{font-size:11px}.card-meta{font-size:12px}.card-detail{font-size:14px}.card-purchase{font-size:11px}.app-guide{display:block}.app-qr{display:inline-block;margin-top:27px}.app-copy h2{font-size:22px}.app-actions .button{flex:1}.site-nav{gap:22px}.site-footer{padding-top:28px}.footer-address{font-size:11px}.product-overview{padding:18px}.product-intro h1{font-size:23px}.info-panel{padding:21px 18px}.parameter-table th{width:34%}.results-heading{display:block}.results-heading p{margin-top:4px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.product-card{transition:none}}