/* Greenfield B2B catalogue aesthetic. DESIGN_VARIANCE: 5; MOTION_INTENSITY: 3; VISUAL_DENSITY: 4.
   Native CSS; real, unaltered supplied product photographs. Layers: header 2, dialog native top layer. */
:root{color-scheme:light dark;--bg:#fafbfc;--surface:#f0f4f6;--text:#182c35;--muted:#52646e;--accent:#1d4553;--on-accent:#f8fafb;--line:#d5dfe4;--input:#fdfefe;--radius:4px;--font:"Avenir Next","Segoe UI",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--font)}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:active,.button:active{transform:scale(.985)}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:550;letter-spacing:-.045em;line-height:1.13}h1{font-size:clamp(2.5rem,4.3vw,4.4rem);margin-bottom:1.5rem}h2{font-size:clamp(2rem,3.2vw,3rem);margin-bottom:1.25rem}h3{font-size:1.4rem;letter-spacing:-.025em}.wrap{max-width:1280px;margin-inline:auto;padding-inline:40px}.preview-note{background:var(--surface);text-align:center;font-size:.8125rem;line-height:1.45;padding:8px 20px;color:var(--muted);border-bottom:1px solid var(--line)}.site-header{max-width:1280px;margin:auto;padding:0 40px;height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:1.55rem;font-weight:750;letter-spacing:.05em;line-height:1.05;display:inline-flex;flex-direction:column}.brand span{font-size:.625em;letter-spacing:.16em;font-weight:500;margin-top:4px}.site-header nav{display:flex;align-items:center;gap:34px;font-size:.9375rem}.site-header nav>a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:5px}.nav-cta{border-bottom:1px solid var(--text);padding-block:7px}.nav-cta span{margin-left:10px}.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:36px;padding-top:35px;padding-bottom:45px}.hero-copy{padding-block:30px}.eyebrow{font-size:.8125rem;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);font-weight:650;margin-bottom:24px}.hero-description{font-size:1.125rem;max-width:33ch;color:var(--muted);margin-bottom:30px}.actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.button{display:inline-flex;gap:24px;align-items:center;justify-content:center;white-space:nowrap;background:var(--accent);color:var(--on-accent);padding:14px 23px;border:1px solid var(--accent);border-radius:var(--radius);font-weight:600;font-size:.9375rem;line-height:1.5;transition:transform .18s,opacity .18s}.button:hover{opacity:.88}.text-link{display:inline-block;border:0;border-bottom:1px solid currentColor;background:none;padding:4px 0;font-size:.9375rem;font-weight:550;color:var(--text)}.hero-photo{background:#e9edf4;border-radius:var(--radius);overflow:hidden}.hero-photo img{width:100%;aspect-ratio:1.05;object-fit:cover}.hero-caption{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-top:15px;font-size:.875rem;color:var(--muted);line-height:1.5}.hero-caption strong{color:var(--text);font-weight:600}.view-switch{display:flex;gap:2px}.view-switch button{border:1px solid var(--line);background:var(--bg);color:var(--muted);padding:6px 13px;font-size:.8125rem}.view-switch button[aria-pressed=true]{border-color:var(--accent);color:var(--on-accent);background:var(--accent)}.spec-strip{display:grid;grid-template-columns:1fr 1fr 1fr 1.3fr;padding-block:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:24px}.spec-strip strong{font-size:2rem;font-weight:550;line-height:1.3;letter-spacing:-.04em}.spec-strip strong span{font-size:1rem;font-weight:500;letter-spacing:0}.spec-strip p{margin:7px 0 0;font-size:.875rem;color:var(--muted)}.spec-context{border-left:1px solid var(--line);padding-left:25px;display:flex;align-items:center}.section{padding-block:88px}.section-intro{color:var(--muted);max-width:52ch;margin-bottom:32px}.filters{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0}.filters button{padding:9px 17px;line-height:1.5;font-size:.9375rem;border:1px solid var(--line);border-radius:var(--radius);color:var(--muted);background:var(--bg)}.filters button:hover{border-color:var(--accent)}.filters button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:42px 28px}.product-grid.single{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.product-image{width:100%;padding:0;overflow:hidden;border:0;border-radius:var(--radius);background:#eef1f5;display:block}.product-image img{width:100%;aspect-ratio:1.5;object-fit:cover;transition:transform .25s}.product-image:hover img{transform:scale(1.025)}.product-image.compact img{object-fit:contain;background:#edf2f8}.product-heading{display:flex;justify-content:space-between;gap:20px;align-items:start;margin:18px 0 10px}.product-heading h3{margin:0;font-size:1.5rem}.model-label{font-size:.8125rem;color:var(--muted);white-space:nowrap;padding-top:4px}.product-specs{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.9375rem;margin-bottom:17px}.product-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px}.plain-button{background:none;color:var(--text);border:0;padding:4px 0;font-weight:600;font-size:.875rem}.plain-button:hover{text-decoration:underline;text-underline-offset:5px}.collection-note{margin:34px 0 0;font-size:.875rem;color:var(--muted);max-width:82ch}.custom-section{background:var(--surface);padding-block:78px}.custom-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.custom-heading p:not(.eyebrow){color:var(--muted);max-width:33ch}.custom-options{display:grid;grid-template-columns:1fr 1fr;gap:35px 30px}.custom-options article{border-top:1px solid var(--line);padding-top:20px}.option-label{font-size:.875rem;color:var(--muted);display:block;margin-bottom:13px}.custom-options h3{font-size:1.2rem;margin-bottom:14px}.custom-options p{font-size:.9375rem;color:var(--muted);margin-bottom:0}.order-flow{list-style:none;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px;padding:10px 0 0;margin:0}.order-flow li{border-top:1px solid var(--line);padding-top:24px}.order-flow span{color:var(--accent);font-size:.875rem;display:block;margin-bottom:26px}.order-flow h3{font-size:1.15rem}.order-flow p{color:var(--muted);font-size:.9375rem;margin-bottom:0}.inquiry-section{border-top:1px solid var(--line);display:grid;grid-template-columns:.85fr 1.15fr;gap:80px}.inquiry-copy>p{color:var(--muted);max-width:34ch}.local-notice{font-size:.875rem;border-left:2px solid var(--line);padding-left:18px;margin-top:32px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 20px;margin-bottom:25px}.field.full{grid-column:1/-1}label{display:block;font-size:.875rem;font-weight:600;margin-bottom:9px}label span{font-size:.8125rem;font-weight:400;color:var(--muted)}input,select,textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius);padding:11px 12px;background:var(--input);color:var(--text);min-height:47px}textarea{resize:vertical;line-height:1.6}input::placeholder,textarea::placeholder{color:var(--muted);opacity:1}.field-help{font-size:.8125rem;color:var(--muted);margin:8px 0 0}.form-status{font-size:.9375rem;margin:15px 0 0}#draft-panel{margin-top:28px;border-top:1px solid var(--line);padding-top:24px}#draft{font-size:.9375rem}.draft-actions{display:flex;gap:24px;align-items:center;margin-top:12px}.button.outline{background:var(--bg);color:var(--text);border-color:var(--line)}#copy-status{font-size:.875rem;margin-top:14px}.faq-section{padding-bottom:85px;max-width:950px}.faq-section h2{margin-bottom:30px}details{border-bottom:1px solid var(--line);padding:18px 0}summary{cursor:pointer;font-weight:550;padding-right:10px}details p{color:var(--muted);margin:15px 0 4px;max-width:72ch}.footer{padding-block:35px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:45px;align-items:start}.footer p{font-size:.8125rem;color:var(--muted);margin:0 0 5px;max-width:78ch}.footer .brand{font-size:1.3rem}dialog{color:var(--text);background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);width:min(900px,calc(100% - 32px));max-height:90dvh;padding:28px;box-shadow:0 25px 80px #182c352e}dialog::backdrop{background:#101c2bb8}.dialog-close{display:block;margin:0 0 20px auto;border:1px solid var(--line);background:var(--bg);color:var(--text);padding:7px 14px;border-radius:var(--radius)}.detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}.detail-layout img{aspect-ratio:1;object-fit:contain;background:#edf2f8;border-radius:var(--radius)}.detail-layout h2{font-size:1.8rem;margin-top:10px}.detail-layout dl{display:grid;grid-template-columns:1fr 1fr;gap:14px 10px;font-size:.875rem;margin:20px 0}.detail-layout dt{color:var(--muted)}.detail-layout dd{margin:0;font-weight:550}.detail-note{font-size:.8125rem;color:var(--muted)}.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip:focus{position:fixed;top:10px;left:10px;padding:10px;background:var(--bg);z-index:3}[hidden]{display:none!important}
img{height:auto}fieldset{border:0;padding:0;margin:0;min-width:0}fieldset:disabled{opacity:.65}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#15242d;--surface:#1c303b;--text:#eaf1f5;--muted:#b0c1cb;--accent:#aacdd8;--on-accent:#142b35;--line:#405865;--input:#1b303b}.hero-photo,.product-image,.detail-layout img{background:#edf2f8}dialog{box-shadow:0 25px 80px #07121b80}}
:root[data-theme=dark]{--bg:#15242d;--surface:#1c303b;--text:#eaf1f5;--muted:#b0c1cb;--accent:#aacdd8;--on-accent:#142b35;--line:#405865;--input:#1b303b}
@media(min-width:1440px){.hero{gap:60px}.hero-photo img{max-height:530px}}
@media(max-width:1023px){.wrap{padding-inline:28px}.site-header{padding-inline:28px}.hero{gap:26px}h1{font-size:2.7rem}.actions{gap:15px}.custom-layout{gap:40px}.inquiry-section{gap:36px}.spec-strip{grid-template-columns:1fr 1fr 1fr}.spec-context{grid-column:1/-1;border-left:0;border-top:1px solid var(--line);padding:15px 0 0}.spec-context p{margin:0}}
@media(max-width:767px){html{scroll-padding-top:25px}.wrap{padding-inline:20px}.preview-note{font-size:.75rem;padding:7px 16px}.site-header{height:73px;padding-inline:20px;gap:16px}.brand{font-size:1.3rem}.site-header nav{gap:16px;font-size:.8125rem}.site-header nav>a:not(.nav-cta){display:none}.nav-cta{padding-block:5px}.nav-cta span{margin-left:3px}.hero{grid-template-columns:1fr;gap:25px;padding-top:22px;padding-bottom:35px}.hero-copy{padding:15px 0 0}.eyebrow{margin-bottom:18px;font-size:.75rem}h1{font-size:clamp(2.3rem,9vw,3.5rem);margin-bottom:20px}.hero-description{font-size:1rem;max-width:38ch;margin-bottom:25px}.hero-photo img{aspect-ratio:1.25}.hero-caption{font-size:.8125rem}.spec-strip{padding-block:23px;gap:15px}.spec-strip strong{font-size:1.65rem}.spec-strip strong span{font-size:.875rem}.spec-strip p{font-size:.8125rem}.section{padding-block:57px}h2{font-size:2.1rem}.section-intro{font-size:.9375rem}.filters{gap:8px;margin:23px 0}.filters button{padding:7px 12px;font-size:.875rem}.product-grid,.product-grid.single{grid-template-columns:1fr;gap:32px}.product-heading h3{font-size:1.3rem}.product-specs{font-size:.875rem;gap:15px}.custom-section{padding-block:50px}.custom-layout{grid-template-columns:1fr;gap:25px}.custom-options{grid-template-columns:1fr;gap:24px}.custom-options p{max-width:55ch}.order-flow{grid-template-columns:1fr 1fr;gap:25px 20px}.order-flow span{margin-bottom:18px}.inquiry-section{grid-template-columns:1fr;gap:27px}.inquiry-copy h2 br{display:none}.inquiry-copy>p{max-width:55ch}.local-notice{margin-top:20px}.form-grid{grid-template-columns:1fr;gap:20px}.faq-section{padding-bottom:50px}.footer{flex-direction:column;gap:23px;padding-block:30px}.detail-layout{grid-template-columns:1fr}.detail-layout img{max-height:280px;width:100%}dialog{padding:20px}.detail-layout dl{font-size:.875rem}.button{padding:12px 18px;gap:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Keep the complete supplied product photos visible; do not crop away handles or frame details. */
.hero-photo img{aspect-ratio:1;object-fit:contain}.product-image img{object-fit:contain}
/* Bilingual navigation and owner-supplied contact channels. */
.site-header nav{margin-left:auto;gap:24px}.language-switch{display:flex;flex-shrink:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.language-switch button{border:0;background:var(--bg);color:var(--muted);min-height:44px;padding:8px 12px;font-size:.875rem}.language-switch button[aria-pressed=true]{background:var(--accent);color:var(--on-accent)}.language-switch button:focus-visible{outline-offset:-4px}
.contact-channels{margin-top:30px}.contact-channel{padding:20px 0;border-top:1px solid var(--line)}.contact-channel .option-label{margin-bottom:5px}.contact-number{font-size:clamp(1.1rem,2vw,1.3rem);font-weight:600;overflow-wrap:anywhere}.contact-number:hover{text-decoration:underline;text-underline-offset:5px}.contact-number span{margin-left:8px}.contact-channel p{font-size:.8125rem;color:var(--muted);margin:8px 0 0}.wechat-row{display:flex;align-items:center;gap:16px}.wechat-row input{max-width:190px;min-width:0;background:transparent;font-size:1rem}.wechat-row button{flex-shrink:0;min-height:44px}.product-heading h3{overflow-wrap:anywhere}.product-bottom{flex-wrap:wrap;gap:8px 20px}.detail-layout>div{min-width:0}.detail-layout dd{overflow-wrap:anywhere}
html:lang(zh-CN){--font:"PingFang SC","Microsoft YaHei","Avenir Next",Arial,sans-serif}html:lang(zh-CN) h1,html:lang(zh-CN) h2,html:lang(zh-CN) h3{letter-spacing:0;line-height:1.3}html:lang(zh-CN) .hero-description{max-width:26em}html:lang(zh-CN) .eyebrow{letter-spacing:.06em}
@media(max-width:767px){.site-header{gap:10px}.site-header nav{gap:0}.language-switch button{padding:7px 9px;font-size:.8125rem}.site-header .nav-cta{font-size:.8125rem}.site-header .brand{font-size:1.15rem}.contact-channels{margin-top:20px}.contact-number{font-size:1.2rem}}
@media(max-width:359px){.site-header{padding-inline:14px;gap:7px}.language-switch button{padding-inline:7px}.site-header .brand{font-size:1.05rem}.site-header .nav-cta{font-size:.75rem}}
.brand span{font-size:max(11px,.625em)}
/* B2B information architecture: source-backed product guidance; unverified claims remain explicit. */
.trust-section{background:var(--accent);color:var(--on-accent);padding-block:74px}.trust-section .eyebrow{color:inherit;opacity:.78}.trust-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:70px}.trust-grid h2{max-width:10ch}.trust-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.trust-cards article{border-top:1px solid color-mix(in srgb,var(--on-accent) 45%,transparent);padding-top:18px}.trust-cards span{font-size:.8125rem;opacity:.75}.trust-cards h3{font-size:1.15rem;margin:18px 0 10px}.trust-cards p{font-size:.9rem;line-height:1.65;margin:0;opacity:.9}
.category-section{background:var(--surface);padding-block:80px}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}.category-grid a{min-height:165px;padding:23px;display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--line);background:var(--bg);transition:transform .18s,border-color .18s}.category-grid a:hover{border-color:var(--accent);transform:translateY(-3px)}.category-grid strong{font-size:1.12rem;line-height:1.3}.category-grid span{font-size:.84rem;color:var(--muted);line-height:1.55}
.factory-section{display:grid;grid-template-columns:1.1fr .9fr;gap:58px;align-items:center}.factory-image{background:#172d37;overflow:hidden;border-radius:var(--radius)}.factory-image img{width:100%;aspect-ratio:1.35;object-fit:cover}.factory-copy>p:not(.eyebrow){color:var(--muted);max-width:61ch}.quality-list{list-style:none;margin:27px 0 0;padding:0;border-top:1px solid var(--line)}.quality-list li{padding:14px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:145px 1fr;gap:15px}.quality-list strong{font-size:.94rem}.quality-list span{font-size:.86rem;color:var(--muted);line-height:1.55}.pending-contact{font-size:.9rem;color:var(--muted);margin:0}
@media(max-width:1023px){.trust-grid,.factory-section{gap:40px}.trust-cards{grid-template-columns:1fr 1fr}.trust-cards article:last-child{grid-column:1/-1}.category-grid{grid-template-columns:1fr 1fr}}
@media(max-width:767px){.trust-section,.category-section{padding-block:52px}.trust-grid,.factory-section{grid-template-columns:1fr;gap:26px}.trust-cards,.category-grid{grid-template-columns:1fr;gap:14px}.trust-cards article:last-child{grid-column:auto}.category-grid a{min-height:130px}.quality-list li{grid-template-columns:1fr;gap:4px}.factory-image img{aspect-ratio:1.25}.site-header nav>a:not(.nav-cta){display:none}}
/* Catalogue expansion: preserve the original palette and full, unaltered photographs. */
::selection{background:var(--accent);color:var(--on-accent)}
input,textarea{caret-color:var(--accent)}
h1,h2{letter-spacing:-.04em}
.product{min-width:0;display:flex;flex-direction:column}
.product-labels{display:flex;flex-direction:column;align-items:flex-end;gap:5px;flex-shrink:0}
.new-tag{font-size:.75rem;font-weight:600;line-height:1.5;color:var(--accent)}
.product-description{color:var(--muted);font-size:.9375rem;line-height:1.6;margin:0 0 16px;max-width:60ch;min-height:3.2em}
.product-bottom{margin-top:auto}
.product-specs,.comparison-scroll td{font-variant-numeric:tabular-nums}
.compare-toggle{flex-basis:100%;text-align:left;border:0;border-top:1px solid var(--line);background:none;color:var(--muted);padding:12px 0 2px;margin-top:5px;min-height:44px;font-size:.875rem}
.compare-toggle:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.compare-toggle[aria-pressed=true]{color:var(--accent);font-weight:650}
.collection-count{font-size:.875rem;color:var(--muted);margin:0 0 14px}
.compare-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;margin-bottom:28px;border-block:1px solid var(--line);background:var(--bg)}
.compare-toolbar.has-selection{position:sticky;top:0;z-index:1}
.compare-toolbar p{margin:0;font-size:.875rem}
.compare-toolbar .field-help{margin-top:3px;font-size:.8125rem}
.compare-actions{display:flex;align-items:center;gap:20px;flex-shrink:0}
.compare-actions .button{font-size:.875rem;padding:10px 16px;min-height:44px}
.button:disabled{cursor:not-allowed;background:var(--surface);color:var(--muted);border-color:var(--line);transform:none;opacity:1}
.comparison-panel{margin-bottom:38px;scroll-margin-top:110px}
.comparison-panel h3{font-size:1.6rem;margin-bottom:12px}
.comparison-panel>.field-help{max-width:75ch;font-size:.875rem;margin-bottom:20px}
.comparison-panel:focus-visible,.comparison-scroll:focus-visible{outline:3px solid var(--accent);outline-offset:5px}
.comparison-scroll{overflow-x:auto;max-width:100%;scrollbar-color:var(--muted) var(--surface);scrollbar-width:thin;overscroll-behavior-x:contain}
.comparison-scroll table{border-collapse:collapse;table-layout:fixed;width:100%;min-width:680px;text-align:left;font-size:.875rem}
.comparison-scroll th,.comparison-scroll td{padding:17px 18px;vertical-align:top;border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.comparison-scroll thead th{background:var(--surface);font-weight:550;border-top:1px solid var(--line)}
.comparison-scroll tr>:first-child{width:145px;color:var(--muted);font-weight:500;padding-left:12px}
.comparison-scroll tbody tr:nth-child(even){background:var(--surface)}
.comparison-name{display:block;margin:7px 0 11px;font-size:1.05rem;font-weight:600;line-height:1.4}
.comparison-scroll .text-link{font-size:.8125rem}
.detail-caution{padding-block:14px;border-block:1px solid var(--line);font-size:.875rem;line-height:1.65}
@media(max-width:767px){.compare-toolbar{align-items:flex-start;flex-direction:column;gap:12px;padding-block:14px}.compare-actions{width:100%;justify-content:space-between;gap:12px}.compare-actions .button{margin-left:auto}.product-description{min-height:0}.comparison-panel{scroll-margin-top:155px}.comparison-scroll table{min-width:660px}.comparison-scroll th,.comparison-scroll td{padding:14px}.product-labels{gap:4px}.product-heading{gap:12px}.filters button{min-height:44px}}