:root{--blue:#0878bc;--blue-dark:#064f83;--blue-deep:#06314f;--orange:#f39a24;--ink:#132a3a;--muted:#607383;--line:#dbe5eb;--soft:#f3f7f9;--white:#fff;--header-h:76px;--shadow:0 18px 45px rgba(7,50,79,.12)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:var(--header-h)}body{margin:0;color:var(--ink);background:#fff;font-family:Inter,"Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;font-size:16px;line-height:1.7;letter-spacing:0}body.modal-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}img{display:block;max-width:100%}.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;z-index:200;left:16px;top:-60px;background:#fff;padding:10px 16px}.skip-link:focus{top:12px}.site-header{position:fixed;z-index:100;top:0;left:0;width:100%;height:var(--header-h);color:#fff;transition:.3s ease}.site-header.scrolled,.site-header.menu-open{color:var(--ink);background:rgba(255,255,255,.96);box-shadow:0 8px 30px rgba(8,43,64,.09);backdrop-filter:blur(14px)}.nav-shell{height:100%;width:min(1240px,calc(100% - 40px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:175px}.brand-mark{position:relative;width:44px;height:32px;display:block}.brand-mark i{position:absolute;border:3px solid currentColor;border-radius:50%;width:22px;height:18px;top:6px}.brand-mark i:nth-child(1){left:0}.brand-mark i:nth-child(2){left:11px;border-color:var(--orange)}.brand-mark i:nth-child(3){left:22px}.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-text strong{font-size:18px}.brand-text small{font-size:9px;opacity:.75;margin-top:4px;letter-spacing:1.8px}.nav-panel{display:flex;align-items:center;gap:34px;margin-left:auto}.nav-panel>a{font-size:14px;font-weight:600;position:relative;white-space:nowrap}.nav-panel>a:after{content:"";height:2px;width:0;position:absolute;left:0;bottom:-9px;background:var(--orange);transition:.25s}.nav-panel>a:hover:after,.nav-panel>a.active:after{width:100%}.nav-actions{display:flex;align-items:center;gap:14px}.language-switch{display:flex;border:1px solid rgba(255,255,255,.45);height:34px}.scrolled .language-switch,.menu-open .language-switch{border-color:var(--line)}.language-switch button,.mobile-language button{border:0;background:transparent;color:inherit;padding:0 10px;font-size:12px;font-weight:700}.language-switch button.active,.mobile-language button.active{background:var(--orange);color:#1f2b32}.menu-toggle,.mobile-language{display:none}.hero{min-height:720px;height:100svh;max-height:940px;position:relative;color:#fff;display:flex;align-items:center;overflow:hidden}.hero-media,.hero-overlay,.hero-circuit{position:absolute;inset:0}.hero-media img{width:100%;height:100%;object-fit:cover;object-position:center}.hero-overlay{background:linear-gradient(90deg,rgba(4,37,61,.94) 0%,rgba(5,64,99,.82) 43%,rgba(4,46,72,.26) 73%,rgba(4,35,56,.36) 100%)}.hero-circuit{opacity:.15;background-image:linear-gradient(90deg,transparent 49.9%,#fff 50%,transparent 50.1%),linear-gradient(0deg,transparent 49.9%,#fff 50%,transparent 50.1%);background-size:90px 90px;mask-image:linear-gradient(90deg,#000,transparent 65%)}.hero-content{position:relative;z-index:2;padding-top:70px}.eyebrow{margin:0 0 14px;color:var(--blue);font-size:13px;font-weight:800;text-transform:uppercase}.eyebrow:before{content:"";display:inline-block;width:28px;height:2px;background:var(--orange);vertical-align:middle;margin:0 10px 3px 0}.eyebrow.light{color:#bce4fb}.hero h1{font-size:clamp(48px,6vw,82px);line-height:1.08;letter-spacing:0;margin:0 0 24px;max-width:760px}.hero-lead{max-width:700px;font-size:18px;line-height:1.8;margin:0 0 32px;color:rgba(255,255,255,.82)}.hero-actions{display:flex;gap:12px}.button{height:50px;padding:0 22px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:12px;font-weight:700;font-size:14px;transition:.25s;border-radius:2px}.button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2}.button.primary{background:var(--orange);color:#172632}.button.primary:hover{background:#ffad3e;transform:translateY(-2px)}.button.ghost{border-color:rgba(255,255,255,.55);color:#fff}.button.ghost:hover{background:#fff;color:var(--ink)}.hero-proof{margin-top:64px;display:grid;grid-template-columns:repeat(4,1fr);max-width:900px;border-top:1px solid rgba(255,255,255,.22);padding-top:22px}.hero-proof div{padding-right:26px}.hero-proof strong{font-size:24px;display:block;color:#fff;line-height:1.2}.hero-proof span{font-size:12px;color:rgba(255,255,255,.64)}.scroll-cue{position:absolute;z-index:2;bottom:24px;left:50%;width:22px;height:36px;border:1px solid rgba(255,255,255,.55);border-radius:12px}.scroll-cue span{position:absolute;width:3px;height:7px;background:#fff;left:9px;top:7px;animation:scroll 1.8s infinite}@keyframes scroll{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}.section{padding:108px 0}.about{background:#fff}.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:88px;align-items:center}.about h2,.section-heading h2,.applications h2,.contact h2{font-size:clamp(32px,4vw,50px);line-height:1.2;letter-spacing:0;margin:0 0 24px}.about-copy .lead{font-size:17px;color:#304a5c}.about-copy>p:not(.eyebrow){color:var(--muted)}.cert-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:30px}.cert-row span{font-size:11px;font-weight:700;border:1px solid var(--line);padding:6px 10px;color:#587080}.tech-panel{background:var(--blue-deep);color:#fff;padding:34px;box-shadow:var(--shadow);position:relative}.tech-panel:before{content:"";position:absolute;right:-10px;top:-10px;width:75px;height:75px;border-top:10px solid var(--orange);border-right:10px solid var(--orange)}.panel-heading{display:flex;justify-content:space-between;align-items:center;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.16)}.panel-heading span{font-weight:800}.panel-heading small{font-size:9px;color:#8cc8e9;letter-spacing:2px}.tech-grid{display:grid;grid-template-columns:1fr 1fr}.tech-grid article{padding:30px 24px;border-bottom:1px solid rgba(255,255,255,.12)}.tech-grid article:nth-child(odd){border-right:1px solid rgba(255,255,255,.12)}.tech-grid article:nth-child(n+3){border-bottom:0}.tech-grid b{color:var(--orange);font-size:12px}.tech-grid h3{font-size:18px;margin:7px 0}.tech-grid p{font-size:13px;line-height:1.7;color:#a9c5d5;margin:0}.products{background:var(--soft)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:80px;margin-bottom:44px}.section-heading>div{max-width:690px}.section-heading h2{margin-bottom:0}.section-heading>p{max-width:380px;color:var(--muted);margin:0}.section-heading.centered{justify-content:center;text-align:center}.product-filters{display:flex;gap:4px;margin-bottom:28px;overflow:auto}.product-filters button{white-space:nowrap;border:1px solid var(--line);background:#fff;color:var(--muted);padding:9px 16px;font-size:13px;font-weight:700}.product-filters button.active{background:var(--blue);border-color:var(--blue);color:#fff}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product-card{background:#fff;min-width:0;display:flex;flex-direction:column;transition:.3s;box-shadow:0 3px 12px rgba(18,55,78,.04)}.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.product-image{height:260px;background:#eaf0f3;overflow:hidden;position:relative}.product-image img{width:100%;height:100%;object-fit:cover;transition:.5s}.product-card:hover img{transform:scale(1.035)}.product-tag{position:absolute;left:16px;top:16px;background:var(--blue-deep);color:#fff;padding:5px 9px;font-size:10px;font-weight:800}.product-body{padding:24px;display:flex;flex-direction:column;flex:1}.product-body small{color:var(--blue);font-weight:800}.product-body h3{font-size:21px;line-height:1.3;margin:7px 0 9px}.product-body p{font-size:14px;color:var(--muted);margin:0 0 20px}.product-meta{display:flex;gap:14px;border-top:1px solid var(--line);padding-top:15px;margin-top:auto}.product-meta span{font-size:11px;color:#667b89}.product-more{border:0;background:transparent;color:var(--blue);font-size:13px;font-weight:800;padding:18px 24px;text-align:left;border-top:1px solid var(--line)}.applications{background:var(--blue-deep);color:#fff;padding:90px 0;position:relative;overflow:hidden}.applications:after{content:"JK";position:absolute;right:-25px;bottom:-105px;font-size:340px;font-weight:900;line-height:1;color:rgba(255,255,255,.025)}.app-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px;align-items:center;position:relative;z-index:1}.app-intro p:last-child{color:#aac4d3}.app-list{display:grid;grid-template-columns:1fr 1fr}.app-list span{padding:16px 8px;border-bottom:1px solid rgba(255,255,255,.15);font-size:15px}.app-list span:before{content:"+";color:var(--orange);font-weight:900;margin-right:12px}.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.advantage-grid article{padding:34px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:230px}.line-icon{color:var(--blue);font-size:24px;font-weight:800;display:block;height:42px}.advantage-grid h3{font-size:18px;margin:10px 0}.advantage-grid p{font-size:14px;color:var(--muted);margin:0}.contact{background:var(--blue-dark);color:#fff}.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:100px}.contact-copy>p:not(.eyebrow){color:#b8d2e2}.contact-copy address{font-style:normal;margin-top:38px;display:grid;grid-template-columns:1fr 1fr;gap:22px}.contact-copy address>div{display:flex;gap:14px}.contact-icon{display:grid;place-items:center;width:36px;height:36px;border:1px solid rgba(255,255,255,.25);color:var(--orange);flex:0 0 auto}.contact-copy address p{margin:0}.contact-copy address small{display:block;color:#8eb3c9;font-size:11px}.contact-copy address strong,.contact-copy address a{font-size:13px;font-weight:600;line-height:1.5;display:block}.contact-form{background:#fff;color:var(--ink);padding:38px;box-shadow:0 24px 55px rgba(0,0,0,.18)}.contact-form label{display:block;font-size:12px;font-weight:700;margin-bottom:17px}.contact-form input,.contact-form textarea{display:block;width:100%;margin-top:7px;border:1px solid var(--line);background:#f8fafb;padding:12px;color:var(--ink);outline:none;border-radius:0}.contact-form input:focus,.contact-form textarea:focus{border-color:var(--blue);box-shadow:0 0 0 2px rgba(8,120,188,.1)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.contact-form .button{border:0}.form-status{font-size:12px;color:#bb4d29;margin:12px 0 0;min-height:20px}.site-footer{background:#041f31;color:#c2d0d8;padding:66px 0 0}.footer-grid{display:grid;grid-template-columns:1.5fr .7fr 1fr .6fr;gap:60px;padding-bottom:48px}.footer-brand{color:#fff;margin-bottom:18px}.footer-grid>div>p{font-size:13px;color:#839ba9;max-width:320px}.footer-grid h3{font-size:12px;color:#fff;text-transform:uppercase;margin:0 0 18px}.footer-grid>div>a:not(.brand),.footer-language{display:block;font-size:13px;color:#91a7b4;margin:8px 0}.footer-grid>div>a:hover{color:#fff}.footer-language{border:0;background:transparent;padding:0}.footer-language.active{color:var(--orange)}.footer-bottom{border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;padding:18px 0;font-size:11px;color:#718894}.product-modal{position:fixed;z-index:300;inset:0;display:none}.product-modal.open{display:block}.modal-backdrop{position:absolute;inset:0;background:rgba(2,21,33,.72);backdrop-filter:blur(5px)}.modal-panel{position:absolute;right:0;top:0;width:min(620px,100%);height:100%;background:#fff;overflow:auto;padding:64px 48px 48px;animation:slide .35s ease}@keyframes slide{from{transform:translateX(100%)}to{transform:none}}.modal-close{position:absolute;right:20px;top:16px;width:38px;height:38px;border:1px solid var(--line);background:#fff;font-size:24px}.modal-product-image{height:300px;width:100%;object-fit:cover;background:var(--soft)}.modal-label{color:var(--blue);font-size:12px;font-weight:800;margin:28px 0 6px}.modal-panel h2{font-size:32px;line-height:1.2;margin:0 0 12px}.modal-panel>div>p{color:var(--muted)}.modal-specs{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);border-left:1px solid var(--line);margin-top:26px}.modal-specs div{padding:15px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.modal-specs small{display:block;color:var(--muted);font-size:10px}.modal-specs strong{font-size:13px}.modal-features{padding-left:20px;color:var(--muted);font-size:14px}.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:980px){:root{--header-h:68px}.nav-panel{position:fixed;top:var(--header-h);left:0;width:100%;background:#fff;color:var(--ink);display:none;flex-direction:column;align-items:stretch;padding:16px 24px 28px;gap:0;box-shadow:0 18px 30px rgba(9,46,69,.12)}.nav-panel.open{display:flex}.nav-panel>a{padding:13px 0;border-bottom:1px solid var(--line)}.mobile-language{display:flex;margin-top:18px;border:1px solid var(--line);width:max-content;height:38px}.menu-toggle{display:block;width:42px;height:42px;border:0;background:transparent;padding:10px}.menu-toggle span{display:block;width:22px;height:2px;background:currentColor;margin:5px}.language-switch{display:none}.hero{min-height:760px}.hero-proof{grid-template-columns:1fr 1fr;gap:20px}.about-grid,.app-layout,.contact-layout{grid-template-columns:1fr;gap:52px}.product-grid{grid-template-columns:1fr 1fr}.section-heading{align-items:start;flex-direction:column;gap:12px}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{display:none}}
@media(max-width:640px){.container,.nav-shell{width:min(100% - 28px,1180px)}.brand{min-width:auto}.hero{height:auto;min-height:760px;max-height:none;padding:130px 0 72px;align-items:start}.hero-media img{object-position:61% center}.hero-overlay{background:linear-gradient(90deg,rgba(3,35,55,.96),rgba(5,64,99,.83))}.hero h1{font-size:45px}.hero-lead{font-size:16px}.hero-actions{flex-direction:column;align-items:stretch}.hero-proof{margin-top:45px}.hero-proof strong{font-size:20px}.scroll-cue{display:none}.section{padding:76px 0}.about-grid{gap:40px}.tech-panel{padding:23px 20px}.tech-grid article{padding:22px 14px}.product-grid{grid-template-columns:1fr}.product-image{height:280px}.applications{padding:72px 0}.app-list{grid-template-columns:1fr}.advantage-grid{grid-template-columns:1fr}.advantage-grid article{min-height:auto}.contact-copy address{grid-template-columns:1fr}.contact-form{padding:24px 18px}.form-row{grid-template-columns:1fr;gap:0}.footer-grid{grid-template-columns:1fr 1fr;gap:34px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.modal-panel{padding:58px 20px 30px}.modal-product-image{height:240px}.modal-specs{grid-template-columns:1fr}.section-heading h2,.about h2,.applications h2,.contact h2{font-size:34px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}*{animation:none!important;transition:none!important}}

/* Product details use contain so the original product image is never cropped. */
.modal-product-image{display:block;width:100%;height:360px;object-fit:contain;object-position:center;background:var(--soft);padding:18px}
@media(max-width:640px){.modal-product-image{height:300px;padding:12px}}

/* Larger product preview and full-screen image viewer. */
.modal-panel{width:min(760px,100%)}
.modal-image-button{position:relative;display:block;width:100%;padding:0;border:0;background:var(--soft);overflow:hidden;cursor:zoom-in}
.modal-image-button .modal-product-image{height:min(52vh,520px);min-height:400px;padding:10px 12px 48px;transition:transform .25s ease}
.modal-image-button:hover .modal-product-image{transform:scale(1.025)}
.modal-image-hint{position:absolute;right:14px;bottom:12px;display:flex;align-items:center;gap:7px;padding:7px 11px;background:rgba(6,49,79,.92);color:#fff;font-size:12px;font-weight:700;pointer-events:none}
.modal-image-hint b{font-size:18px;line-height:1;font-weight:400}
.image-viewer{position:fixed;z-index:500;inset:0;display:none;align-items:center;justify-content:center;padding:72px 48px 42px}
.image-viewer.open{display:flex}
.image-viewer-backdrop{position:absolute;inset:0;width:100%;height:100%;border:0;background:rgba(2,15,24,.94);cursor:zoom-out}
.image-viewer figure{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;margin:0;pointer-events:none}
.image-viewer img{width:auto;height:auto;max-width:94vw;max-height:calc(100vh - 130px);object-fit:contain;filter:drop-shadow(0 18px 50px rgba(0,0,0,.4));pointer-events:auto}
.image-viewer figcaption{margin-top:14px;color:rgba(255,255,255,.78);font-size:14px;text-align:center}
.image-viewer-close{position:fixed;z-index:2;right:24px;top:20px;width:46px;height:46px;border:1px solid rgba(255,255,255,.38);background:rgba(0,0,0,.24);color:#fff;font-size:30px;line-height:1}
.image-viewer-close:hover{background:#fff;color:var(--ink)}
@media(max-width:640px){.modal-image-button .modal-product-image{height:390px;min-height:0;padding:8px 8px 44px}.image-viewer{padding:66px 12px 30px}.image-viewer img{max-width:calc(100vw - 24px);max-height:calc(100vh - 110px)}.image-viewer-close{right:12px;top:12px}}

/* Contact section is informational only; no inquiry form. */
.contact-layout{display:block}
.contact-copy{max-width:none}
.contact-copy>p:not(.eyebrow){max-width:720px}
.contact-copy address{grid-template-columns:2fr 1fr 1fr 1fr;gap:0;margin-top:48px;border-top:1px solid rgba(255,255,255,.18);border-left:1px solid rgba(255,255,255,.18)}
.contact-copy address>div{min-height:132px;padding:25px 22px;border-right:1px solid rgba(255,255,255,.18);border-bottom:1px solid rgba(255,255,255,.18)}
@media(max-width:900px){.contact-copy address{grid-template-columns:1fr 1fr}.contact-copy address>div{min-height:120px}}
@media(max-width:560px){.contact-copy address{grid-template-columns:1fr}.contact-copy address>div{min-height:auto;padding:20px 16px}}

/* Personal sales site conversion and contact-first components. */
.hero-contact{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 14px;margin:0 0 18px}.hero-contact>span{font-size:13px;font-weight:800;color:#bce4fb}.hero-phone{font-size:clamp(25px,3vw,38px);line-height:1.1;font-weight:900;color:#fff}.hero-contact small{color:rgba(255,255,255,.66)}
.button.wechat{background:#16a05d;color:#fff}.button.whatsapp{background:#25d366;color:#102a20}.button.wechat:hover,.button.whatsapp:hover{filter:brightness(1.08);transform:translateY(-2px)}
.product-card-actions{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}.product-more,.product-consult{min-height:54px;padding:14px 18px;display:flex;align-items:center;justify-content:center;text-align:center;font-size:13px;font-weight:800}.product-more{border:0;border-right:1px solid var(--line);background:#fff;color:var(--blue)}.product-consult{background:var(--orange);color:#172632}.product-consult:hover{background:#ffad3e}
.contact-heading{max-width:780px;margin-bottom:42px}.contact-heading>p:not(.eyebrow){color:#b8d2e2}.contact .contact-layout{display:block}.contact-channels{min-width:0}.contact-phone-card{display:block;background:var(--orange);color:#142735;padding:25px 28px;margin-bottom:22px}.contact-phone-card small,.contact-phone-card span{display:block}.contact-phone-card small{font-weight:800}.contact-phone-card strong{display:block;font-size:clamp(26px,4vw,43px);line-height:1.2;margin:5px 0}.contact-phone-card span{font-size:12px;opacity:.7}.qr-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.qr-card{background:#fff;color:var(--ink);padding:22px;text-align:center}.qr-card img{width:min(100%,420px);height:420px;display:block;margin:0 auto 15px;background:#fff;object-fit:contain}.qr-card h3{font-size:16px;margin:0 0 5px}.qr-card p{margin:0;color:var(--muted);font-size:12px;overflow-wrap:anywhere}
.mobile-contact{display:none}.desktop-language{display:flex!important}.mobile-language{display:none!important}
@media(max-width:980px){.desktop-language{display:flex!important}.nav-panel .mobile-language{display:flex!important;order:-1;margin:0 0 12px}.contact .contact-layout{grid-template-columns:1fr}.contact-form{max-width:none}}
@media(max-width:640px){body{padding-bottom:68px}.brand-text small{font-size:8px}.desktop-language{height:34px}.desktop-language button{padding:0 8px}.nav-actions{gap:4px}.hero{min-height:850px;padding-top:105px}.hero h1{font-size:40px}.hero-contact{margin-top:-5px}.hero-phone{width:100%;font-size:30px}.hero-actions{gap:9px}.hero-proof{margin-top:34px}.qr-grid{grid-template-columns:1fr}.qr-card img{width:min(100%,260px)}.contact-phone-card{padding:22px 18px}.contact-phone-card strong{font-size:27px}.product-card-actions{grid-template-columns:1fr}.product-more{border-right:0;border-bottom:1px solid var(--line)}.mobile-contact{display:block;position:fixed;z-index:240;right:14px;bottom:14px}.mobile-contact-toggle{height:52px;border:0;background:var(--orange);color:#172632;box-shadow:0 10px 28px rgba(0,0,0,.25);display:flex;align-items:center;gap:7px;padding:0 17px;font-weight:900}.mobile-contact-toggle span{font-size:22px;transition:.2s}.mobile-contact.open .mobile-contact-toggle span{transform:rotate(45deg)}.mobile-contact-menu{display:none;position:absolute;right:0;bottom:60px;width:150px;background:#fff;box-shadow:0 14px 35px rgba(0,0,0,.22);border:1px solid var(--line)}.mobile-contact.open .mobile-contact-menu{display:block}.mobile-contact-menu a{display:block;padding:13px 15px;color:var(--ink);font-size:13px;font-weight:800;border-bottom:1px solid var(--line)}.mobile-contact-menu a:last-child{border:0}}

/* 新增：底部固定操作栏与联系/下载弹窗 */
body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}.site-footer{padding-bottom:env(safe-area-inset-bottom)}
.conversion-bar{position:fixed;z-index:600;left:0;right:0;bottom:0;background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -10px 32px rgba(6,49,79,.14);backdrop-filter:blur(14px);padding-bottom:env(safe-area-inset-bottom)}.conversion-bar-inner{width:min(900px,100%);height:76px;margin:auto;display:grid;grid-template-columns:repeat(4,1fr)}.conversion-action{min-width:0;border:0;border-right:1px solid var(--line);background:#fff;color:var(--blue-deep);display:flex;align-items:center;justify-content:center;gap:10px;padding:8px 12px;font-weight:800;font-size:14px;transition:background .2s,color .2s}.conversion-action:first-child{border-left:1px solid var(--line)}.conversion-action:hover,.conversion-action:focus-visible{background:var(--soft);color:var(--blue)}.conversion-action-primary{background:var(--orange);color:#172632}.conversion-action-primary:hover,.conversion-action-primary:focus-visible{background:#ffad3e;color:#172632}.conversion-icon{font-size:23px;line-height:1}
.action-modal{position:fixed;z-index:700;inset:0;display:grid;place-items:center;padding:24px;visibility:hidden;pointer-events:none;opacity:0;transition:opacity .25s ease,visibility .25s ease}.action-modal.open{visibility:visible;pointer-events:auto;opacity:1}.action-modal-backdrop{position:absolute;inset:0;width:100%;height:100%;border:0;background:rgba(2,21,33,.76);backdrop-filter:blur(5px)}.action-modal-panel{position:relative;width:min(520px,100%);max-height:calc(100dvh - 48px);overflow:auto;background:#fff;padding:38px;box-shadow:0 24px 70px rgba(0,0,0,.28);transform:translateY(18px) scale(.98);transition:transform .3s ease}.action-modal.open .action-modal-panel{transform:none}.action-modal-panel-wide{width:min(760px,100%)}.action-modal-close{position:absolute;right:14px;top:14px;width:40px;height:40px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:26px;line-height:1}.action-modal-kicker{margin:0 48px 7px 0;color:var(--blue);font-size:12px;font-weight:900}.action-modal-panel h2{margin:0 48px 24px 0;font-size:28px;line-height:1.25}.action-modal-note{color:var(--muted);font-size:13px;text-align:center}.phone-contact-detail{display:flex;justify-content:center;align-items:baseline;gap:10px;color:var(--muted)}.phone-contact-detail strong{color:var(--ink);font-size:20px}.phone-number{display:block;margin:12px 0 4px;color:var(--blue);font-size:34px;font-weight:900;text-align:center}.action-button{min-height:50px;display:flex;align-items:center;justify-content:center;padding:10px 20px;font-weight:900}.action-button-primary{background:var(--orange);color:#172632}
.consult-channel-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.consult-channel{border:1px solid var(--line);padding:22px;text-align:center}.consult-channel h3{margin:0 0 15px;font-size:17px}.consult-channel img{width:min(100%,230px);aspect-ratio:1;margin:auto;object-fit:contain;background:var(--soft);user-select:none;-webkit-touch-callout:default}.consult-channel p{margin:14px 0 3px;font-weight:800}.consult-channel small{color:var(--muted);overflow-wrap:anywhere}.download-list{display:grid;gap:12px}.download-list article{display:flex;align-items:center;justify-content:space-between;gap:18px;border:1px solid var(--line);padding:16px}.download-list small{color:var(--blue);font-weight:900}.download-list h3{font-size:15px;line-height:1.4;margin:3px 0 0}.download-list a{flex:0 0 auto;background:var(--blue);color:#fff;padding:10px 14px;font-size:12px;font-weight:900}
.models-modal-panel{width:min(960px,100%)}.model-toolbar{display:grid;gap:12px;margin-bottom:16px}.model-toolbar input{height:44px;border:1px solid var(--line);background:var(--soft);padding:0 14px;outline:none}.model-toolbar input:focus{border-color:var(--blue);box-shadow:0 0 0 2px rgba(8,120,188,.1)}.model-filters{display:flex;gap:8px;overflow:auto}.model-filters button{flex:0 0 auto;border:1px solid var(--line);background:#fff;color:var(--muted);padding:8px 14px;font-size:12px;font-weight:800}.model-filters button.active{background:var(--blue);border-color:var(--blue);color:#fff}.model-table-wrap{max-height:52vh;overflow:auto;border:1px solid var(--line)}.model-table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:13px}.model-table th{position:sticky;top:0;z-index:1;background:var(--blue-deep);color:#fff;text-align:left;padding:11px 14px}.model-table th:first-child{width:34%}.model-table td{padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}.model-table tr:nth-child(even) td{background:var(--soft)}.model-table td:first-child{font-weight:800;color:var(--blue-deep);overflow-wrap:anywhere}.model-table td:last-child{color:var(--muted)}.model-empty{text-align:center!important;padding:28px!important;color:var(--muted)!important}.model-source{margin:12px 0 0;color:var(--muted);font-size:11px}
@media(max-width:640px){body{padding-bottom:calc(68px + env(safe-area-inset-bottom))}.conversion-bar-inner{height:68px}.conversion-action{flex-direction:column;gap:2px;padding:5px 2px;font-size:11px;line-height:1.2}.conversion-icon{font-size:20px}.action-modal{align-items:end;padding:12px 12px calc(80px + env(safe-area-inset-bottom))}.action-modal-panel,.action-modal-panel-wide,.models-modal-panel{width:100%;max-height:calc(100dvh - 104px);padding:28px 18px 20px}.action-modal-panel h2{font-size:23px;margin-bottom:18px}.consult-channel-grid{gap:8px}.consult-channel{padding:13px 8px}.consult-channel img{width:min(100%,180px)}.consult-channel h3{font-size:14px}.consult-channel p{font-size:12px}.consult-channel small{font-size:10px}.phone-number{font-size:29px}.download-list article{align-items:flex-start;padding:13px}.download-list h3{font-size:13px}.download-list a{padding:9px 10px}.model-table-wrap{max-height:48vh}.model-table{font-size:11px}.model-table th:first-child{width:39%}.model-table th,.model-table td{padding:9px 8px}}

/* 2026 light clean-energy theme: brighter blues, teal accents and BMS-focused hero. */
:root{--blue:#238fba;--blue-dark:#2f7fa3;--blue-deep:#24627d;--orange:#eaa13a;--ink:#173849;--muted:#627b86;--line:#d7e6e9;--soft:#f1f8f8;--shadow:0 18px 45px rgba(28,103,126,.12)}
.site-header{color:var(--blue-deep)}.site-header.scrolled,.site-header.menu-open{background:rgba(248,253,253,.96);box-shadow:0 8px 30px rgba(34,108,130,.1)}.language-switch{border-color:rgba(36,98,125,.35)}
.hero{color:var(--ink);background:#eaf5f7}.hero-media img{object-position:center}.hero-overlay{background:linear-gradient(90deg,rgba(239,249,250,.97) 0%,rgba(236,248,249,.9) 32%,rgba(234,247,248,.38) 53%,rgba(230,244,247,.03) 76%,rgba(228,242,246,.08) 100%)}.hero-circuit{opacity:.1;background-image:linear-gradient(90deg,transparent 49.8%,#2b9db8 50%,transparent 50.2%),linear-gradient(0deg,transparent 49.8%,#2b9db8 50%,transparent 50.2%);mask-image:linear-gradient(90deg,#000,transparent 52%)}
.eyebrow.light,.hero-contact>span{color:#18839a}.hero-lead{color:#496b78}.hero-phone{color:var(--blue-deep)}.hero-contact small{color:#66818b}.hero-proof{border-top-color:rgba(36,98,125,.22)}.hero-proof strong{color:var(--blue-deep)}.hero-proof span{color:#627d87}.button.wechat{background:#32a68f;color:#fff}.button.whatsapp{background:#38a899;color:#fff}
.applications{background:#367e99}.applications:after{color:rgba(255,255,255,.04)}.app-intro p:last-child{color:#d9edf2}.tech-panel{background:#2f7892}.tech-grid p{color:#d7ebf0}.panel-heading small{color:#c9e8ed}
.contact{background:#3d85a0}.contact-heading>p:not(.eyebrow){color:#dceef2}.contact-phone-card{background:#f0ad48}.site-footer{background:#235a70;color:#dbe9ed}.footer-grid>div>p,.footer-grid>div>a:not(.brand),.footer-language{color:#bdd3da}.footer-bottom{color:#aac6cf}.modal-backdrop,.action-modal-backdrop{background:rgba(27,73,89,.65)}.model-table th{background:#2f7892}
.conversion-bar{box-shadow:0 -10px 30px rgba(34,105,126,.11)}.conversion-action{color:#245f75}.conversion-action-primary{background:#f0ad48}
@media(max-width:640px){.hero-media img{object-position:60% center}.hero-overlay{background:linear-gradient(90deg,rgba(239,249,250,.98) 0%,rgba(236,248,249,.91) 68%,rgba(232,246,248,.5) 100%)}.hero h1{color:#173f51}.site-header:not(.scrolled):not(.menu-open){background:rgba(244,251,251,.78);backdrop-filter:blur(10px)}}

/* Floating rounded conversion dock */
body{padding-bottom:calc(96px + env(safe-area-inset-bottom))}
.conversion-bar{left:50%;right:auto;bottom:14px;width:min(920px,calc(100% - 28px));transform:translateX(-50%);border:1px solid rgba(35,143,186,.18);border-radius:16px;background:rgba(248,253,253,.9);box-shadow:0 16px 38px rgba(35,92,112,.2),0 3px 10px rgba(35,92,112,.1);padding:7px calc(7px + env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) calc(7px + env(safe-area-inset-left));backdrop-filter:blur(18px)}
.conversion-bar-inner{width:100%;height:64px;gap:7px}.conversion-action{border:1px solid rgba(35,143,186,.14);border-radius:10px;background:rgba(255,255,255,.96);box-shadow:0 4px 12px rgba(35,92,112,.08);color:#245f75;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease}.conversion-action:first-child{border-left:1px solid rgba(35,143,186,.14)}.conversion-action:hover,.conversion-action:focus-visible{background:#e6f5f5;color:#167d97;transform:translateY(-4px);box-shadow:0 10px 22px rgba(35,108,132,.2)}.conversion-action:active{transform:translateY(-1px);box-shadow:0 5px 12px rgba(35,108,132,.15)}.conversion-icon{color:#259bb0}
@media(max-width:640px){body{padding-bottom:calc(86px + env(safe-area-inset-bottom))}.conversion-bar{bottom:8px;width:calc(100% - 16px);border-radius:14px;padding:5px calc(5px + env(safe-area-inset-right)) calc(5px + env(safe-area-inset-bottom)) calc(5px + env(safe-area-inset-left))}.conversion-bar-inner{height:62px;gap:4px}.conversion-action{border-radius:9px;padding:5px 1px;font-size:10px}.conversion-action:hover,.conversion-action:focus-visible{transform:translateY(-2px)}.conversion-icon{font-size:19px}}

/* First-screen downloads and contact shortcuts. */
.cloud-mark{display:grid;place-items:center;width:43px;height:36px;color:#238fba;font-size:38px;line-height:1;background:none!important}.cloud-mark:before,.cloud-mark:after{display:none!important}.brand-text strong{font-size:15px;white-space:nowrap}.top-quick{position:relative;z-index:5;margin-top:var(--header-h);padding:14px 0;background:#f7fbfc;border-bottom:1px solid var(--line)}.top-quick-grid{display:grid;grid-template-columns:minmax(0,3fr) minmax(260px,1fr);gap:14px}.top-quick-block{display:flex;align-items:stretch;border:1px solid var(--line);background:#fff}.top-quick-title{display:flex;align-items:center;padding:12px 16px;background:var(--blue-deep);color:#fff;font-size:13px;font-weight:900;white-space:nowrap}.top-downloads{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));flex:1}.top-downloads a,.top-consults a{display:flex;align-items:center;justify-content:center;min-height:48px;padding:8px 10px;border-right:1px solid var(--line);color:var(--ink);font-size:12px;font-weight:800;text-align:center}.top-downloads a:hover{background:var(--soft);color:var(--blue)}.top-consults{display:grid;grid-template-columns:1fr 1fr;flex:1}.top-consults a:last-child,.top-downloads a:last-child{border-right:0}.top-consults .wechat-top{background:#ed942f;color:#fff}.top-consults .whatsapp-top{background:#38a899;color:#fff}.top-consults a:hover{filter:brightness(1.06)}
@media(max-width:980px){.top-quick-grid{grid-template-columns:1fr}.top-downloads{grid-template-columns:repeat(3,1fr)}.consult-top{order:-1}}
@media(max-width:640px){.brand-text strong{font-size:12px}.brand-text small{display:none}.cloud-mark{width:36px;font-size:32px}.top-quick{padding:8px 0}.top-quick-block{display:block}.top-quick-title{justify-content:center;padding:7px}.top-downloads{grid-template-columns:1fr 1fr}.top-downloads a,.top-consults a{min-height:43px;font-size:11px;border-bottom:1px solid var(--line)}.top-downloads a:nth-child(even){border-right:0}.top-downloads a:last-child{grid-column:1/-1}.hero{padding-top:84px}}

.image-brand{display:block;min-width:0;width:230px;height:52px}.image-brand img{display:block;width:230px;height:52px;object-fit:contain;object-position:left center}.footer-brand.image-brand{width:260px;height:58px}.footer-brand.image-brand img{width:260px;height:58px;background:#fff}
@media(max-width:640px){.image-brand,.image-brand img{width:190px;height:46px}.footer-brand.image-brand,.footer-brand.image-brand img{width:230px;height:52px}}

/* 2026-08 refresh: compact logo, downloads-only top strip, prominent action dock. */
.image-brand{width:176px;height:62px}.image-brand img{width:176px;height:62px;object-fit:contain;object-position:left center}.footer-brand.image-brand{width:190px;height:68px}.footer-brand.image-brand img{width:190px;height:68px;padding:4px;background:#fff}.top-quick-grid{grid-template-columns:1fr}.downloads-top{width:100%}.conversion-bar{bottom:18px;width:min(980px,calc(100% - 28px));padding:9px;border:2px solid rgba(21,119,158,.28);background:rgba(255,255,255,.96);box-shadow:0 18px 45px rgba(16,70,91,.3)}.conversion-bar-inner{height:78px;grid-template-columns:repeat(3,1fr);gap:9px}.conversion-action{border:0!important;border-radius:8px;color:#fff!important;font-size:17px;font-weight:900;box-shadow:0 7px 18px rgba(20,60,75,.2)}.conversion-action:nth-child(1){background:#147ea9}.conversion-action:nth-child(2){background:#28a172}.conversion-action:nth-child(3){background:#ed942f}.conversion-action:hover,.conversion-action:focus-visible{color:#fff;filter:brightness(1.08);transform:translateY(-4px)}.conversion-icon{color:#fff;font-size:29px}
@media(max-width:640px){body{padding-bottom:calc(102px + env(safe-area-inset-bottom))}.image-brand,.image-brand img{width:142px;height:54px}.footer-brand.image-brand,.footer-brand.image-brand img{width:176px;height:64px}.conversion-bar{bottom:7px;width:calc(100% - 12px);padding:6px;border-radius:13px}.conversion-bar-inner{height:76px;gap:5px}.conversion-action{min-height:76px;padding:7px 3px;font-size:13px;line-height:1.25}.conversion-icon{font-size:27px}.top-downloads a{font-size:10px}}

.downloads-top .top-quick-title{min-width:150px;justify-content:center;gap:10px;padding:14px 20px;background:#147ea9;font-size:17px;box-shadow:4px 0 14px rgba(20,126,169,.16)}.top-download-icon{display:grid;place-items:center;width:32px;height:32px;border:2px solid rgba(255,255,255,.72);border-radius:50%;font-size:23px;line-height:1}
@media(max-width:640px){.downloads-top .top-quick-title{min-width:0;padding:10px 14px;font-size:16px}.top-download-icon{width:29px;height:29px;font-size:21px}}