@charset "UTF-8";
:root{--ink:#142f3b;--muted:#64737a;--navy:#102e3b;--teal:#006c72;--lime:#c9e88a;--paper:#f6f7f4;--line:#dbe2df}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--paper);line-height:1.75}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #76b849;outline-offset:4px}img{max-width:100%;display:block}p,h1,h2,h3{margin-top:0}.wrap{width:min(1280px,90%);margin:auto}.eyebrow{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--teal);font-weight:700}.topline{background:var(--navy);color:#c8d9de;font-size:11px;padding:7px 0;letter-spacing:1px}.topline .wrap{display:flex;justify-content:space-between}.header{position:sticky;top:0;background:rgba(255,255,255,.97);z-index:30;border-bottom:1px solid var(--line)}.navrow{height:86px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brandmark{font-style:italic;font-size:24px;font-weight:900;color:var(--teal);border-left:5px solid var(--teal);padding-left:10px;line-height:1}.brand strong{display:block;font-size:20px;letter-spacing:3px;line-height:1.4}.brand small{display:block;font-size:9px;letter-spacing:1.3px;color:var(--muted)}nav{display:flex;align-items:center;gap:30px;font-size:14px}nav a:hover{color:var(--teal)}.nav-cta{border:1px solid var(--teal);padding:8px 17px;color:var(--teal)}.menu-toggle{display:none;background:none;border:1px solid var(--line);padding:7px 12px}.hero{position:relative;overflow:hidden;background:var(--navy);color:white;min-height:590px}.hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:62% center}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,35,47,.93),rgba(7,35,47,.7) 43%,rgba(7,35,47,.08))}.hero-content{position:relative;z-index:1;padding:85px 0 96px}.hero .eyebrow{color:var(--lime);margin-bottom:24px}.hero h1{font-size:clamp(38px,4.3vw,64px);line-height:1.27;font-weight:600;letter-spacing:2px;max-width:750px;margin-bottom:24px}.hero h1 span{color:var(--lime)}.hero p{color:#d1e0e3;max-width:520px;font-size:16px;line-height:1.9;margin-bottom:32px}.actions{display:flex;gap:12px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:35px;padding:13px 23px;font-size:14px;font-weight:600;border:1px solid transparent;background:var(--teal);color:white}.btn.light{background:var(--lime);color:var(--navy)}.btn.outline{border-color:#78939e;background:transparent;color:white}.btn:hover{filter:brightness(1.08)}.hero-bottom{position:absolute;bottom:21px;z-index:2;width:100%;font-size:11px;letter-spacing:2px;color:#d3e2e5}.hero-bottom .wrap{display:flex;justify-content:space-between}.intro-strip{background:white;border-bottom:1px solid var(--line)}.strip-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;padding:30px 0;gap:25px}.strip-item{padding-left:24px;border-left:1px solid var(--line)}.strip-item:first-child{padding-left:0;border:0}.strip-item small{display:block;color:var(--muted);font-size:12px}.strip-item strong{display:block;font-size:18px;font-weight:500}.section{padding:95px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:36px}.section-head h2,.about h2,.contact h2{font-size:36px;font-weight:500;line-height:1.45;letter-spacing:1px;margin-bottom:0}.section-head p{font-size:14px;color:var(--muted);max-width:450px;margin:0}.text-link{color:var(--teal);font-size:14px;border-bottom:1px solid var(--teal);padding-bottom:4px;white-space:nowrap}.categories{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}.category{border:1px solid var(--line);background:transparent;color:var(--muted);padding:8px 18px;font-size:13px}.category.active{background:var(--navy);border-color:var(--navy);color:white}.catalog-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:22px}.search{width:310px;max-width:100%;padding:10px 14px;border:1px solid var(--line);background:white;border-radius:0}.count{font-size:13px;color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.product{display:flex;flex-direction:column;background:white;border:1px solid var(--line);text-align:left;padding:0;color:var(--ink);transition:transform .2s,border-color .2s}.product:hover{transform:translateY(-5px);border-color:var(--teal)}.product-image{background:white;aspect-ratio:1.12;display:flex;align-items:center;justify-content:center;padding:25px;width:100%}.product-image img{max-height:180px;object-fit:contain;image-rendering:auto;width:auto;max-width:100%}.product-copy{border-top:1px solid #eef0ee;padding:18px 20px;width:100%;flex:1}.product-copy small{color:var(--muted);font-size:10px;letter-spacing:.7px}.product-copy h3{font-size:16px;font-weight:500;margin:5px 0 14px;line-height:1.5}.product-copy .detail{font-size:12px;color:var(--teal);display:flex;justify-content:space-between}.empty{padding:50px;text-align:center;grid-column:1/-1}.more-row{text-align:center;margin-top:30px}.more-row button{background:white;border:1px solid var(--line);color:var(--teal);padding:12px 35px}.about{background:#e9eeea}.about-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:75px;align-items:center}.about-image{position:relative}.about-image>img{width:100%;height:400px;object-fit:cover}.image-caption{background:var(--teal);padding:17px 22px;color:white;position:relative;margin:-32px 25px 0;z-index:1;font-size:12px;letter-spacing:1px}.about h2{margin:17px 0 22px}.about p{font-size:14px;color:#53676b;line-height:2}.about-note{display:flex;gap:30px;border-top:1px solid #cdd7d1;margin-top:25px;padding-top:22px}.about-note strong{display:block;font-size:18px;font-weight:500}.about-note small{color:var(--muted);font-size:11px}.application-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.application{border-top:2px solid var(--teal);background:white;padding:27px 25px 22px}.application .num{font-size:11px;letter-spacing:2px;color:var(--teal)}.application img{height:110px;width:100%;object-fit:contain;margin:18px 0 25px}.application h3{font-weight:500;font-size:20px;margin-bottom:10px}.application p{font-size:13px;color:var(--muted);margin-bottom:0}.news-list{border-top:1px solid var(--line)}.news-row{display:flex;gap:30px;align-items:center;justify-content:space-between;padding:23px 0;border-bottom:1px solid var(--line)}.news-row time{font-size:12px;color:var(--muted);flex-shrink:0}.news-row h3{font-size:16px;font-weight:500;flex:1;margin:0}.news-row span{color:var(--teal)}.news-row:hover h3{color:var(--teal)}.contact{background:var(--navy);color:white;padding:75px 0}.contact .eyebrow{color:var(--lime)}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.contact h2{margin:14px 0 22px}.contact p{color:#b8cbd0;font-size:14px;max-width:430px}.contact-info{display:grid;grid-template-columns:1fr 1fr;gap:24px 30px}.contact-info small{display:block;color:#9eb7c0;font-size:12px;margin-bottom:6px}.contact-info a{font-size:18px}.contact-info a:hover{color:var(--lime)}.contact-info .address{grid-column:1/-1;font-size:15px}.footer{background:#0b2430;color:#91a9b2;padding:24px 0;font-size:11px}.footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.footer a{margin-left:16px}.footer a:hover{color:white}.backtop{position:fixed;bottom:25px;right:25px;z-index:20;background:white;color:var(--teal);border:1px solid var(--line);width:42px;height:42px}.dialog{border:0;padding:0;width:min(900px,94vw);max-height:88vh;background:white;color:var(--ink)}.dialog::backdrop{background:rgba(3,24,34,.7)}.dialog-header{position:sticky;top:0;padding:18px 25px;background:white;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:center;z-index:2}.dialog-header h2{font-size:19px;margin:0;line-height:1.4}.close{font-size:25px;border:0;background:none;color:var(--muted);padding:0 5px}.dialog-body{padding:30px;overflow-wrap:anywhere}.dialog-body .detail-image{max-height:250px;max-width:100%;object-fit:contain;margin:0 auto 25px}.legacy-content{font-size:14px;line-height:1.9;overflow:auto}.legacy-content img{max-width:100%;height:auto!important}.legacy-content table{width:100%!important;border-collapse:collapse;margin:15px 0;min-width:450px}.legacy-content td,.legacy-content th{border:1px solid var(--line);padding:7px;word-break:normal}.legacy-content p{margin:8px 0}.dialog-contact{padding:20px 30px;background:var(--paper);font-size:13px;display:flex;justify-content:space-between;gap:15px}.dialog-contact a{color:var(--teal)}body.modal-open{overflow:hidden}button[hidden],div[hidden]{display:none!important}@media(min-width:1600px){.hero{min-height:650px}.hero-content{padding-top:110px}}@media(max-width:1000px){nav{gap:17px}.brand strong{font-size:17px}.brandmark{font-size:19px}.product-grid{grid-template-columns:repeat(3,1fr)}.about-grid{gap:35px}.contact-grid{gap:35px}.section{padding:70px 0}.about-image>img{height:350px}}@media(max-width:760px){.wrap{width:90%}.topline{font-size:9px}.topline .wrap span:last-child{display:none}.navrow{height:72px}.brand strong{font-size:17px}.brandmark{font-size:19px}.brand small{font-size:8px}.menu-toggle{display:block}nav{display:none;position:absolute;top:72px;left:0;right:0;padding:20px 5%;background:white;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:17px}nav.open{display:flex}.hero{min-height:550px}.hero-content{padding:65px 0 80px}.hero:after{background:linear-gradient(90deg,rgba(7,35,47,.93),rgba(7,35,47,.55))}.hero h1{font-size:37px}.hero p{font-size:14px;max-width:90%}.hero-photo{object-position:60%}.hero-bottom{font-size:9px}.strip-grid{grid-template-columns:1fr 1fr;gap:20px;padding:24px 0}.strip-item{padding-left:15px}.strip-item:first-child{padding-left:15px;border-left:1px solid var(--line)}.strip-item strong{font-size:15px}.strip-item small{font-size:10px}.section{padding:56px 0}.section-head{display:block;margin-bottom:25px}.section-head h2,.about h2,.contact h2{font-size:28px}.section-head p{margin-top:15px}.section-head .text-link{display:inline-block;margin-top:15px}.categories{gap:7px}.category{font-size:12px;padding:7px 11px}.catalog-toolbar{align-items:start;flex-direction:column;gap:10px}.search{width:100%}.product-grid{grid-template-columns:repeat(2,1fr);gap:12px}.product-image{padding:17px;aspect-ratio:1.05}.product-image img{max-height:125px}.product-copy{padding:13px}.product-copy h3{font-size:14px}.product-copy small{font-size:9px}.about-grid,.contact-grid{grid-template-columns:1fr;gap:30px}.about-image>img{height:280px}.about-note{gap:25px}.about-note strong{font-size:16px}.application-grid{grid-template-columns:1fr}.application{padding:24px}.application img{height:120px}.news-row{gap:14px}.news-row time{font-size:10px}.news-row h3{font-size:14px}.contact{padding:55px 0}.contact-info{gap:22px}.contact-info a{font-size:16px}.footer .wrap{display:block}.footer a{margin:0 14px 0 0}.footer .legal{margin-top:10px}.dialog-body{padding:20px}.dialog-header{padding:15px 20px}.dialog-header h2{font-size:16px}.dialog-contact{padding:18px 20px;flex-wrap:wrap}.backtop{right:12px;bottom:12px}}

/* Official company artwork supplied by HAOYE. */
.brand-logo{display:block;width:150px;height:58px;object-fit:contain;flex-shrink:0}.footer .wrap{align-items:center}.footer-brand{display:flex;align-items:center;gap:15px}.footer-brand img{width:48px;height:48px;object-fit:contain;flex-shrink:0}.footer-brand span{max-width:480px}@media(max-width:1000px){.brand-logo{width:120px;height:50px}.navrow{gap:16px}nav{gap:14px}}@media(max-width:760px){.brand{gap:9px}.brand-logo{width:100px;height:44px}.footer-brand{margin-bottom:18px}.footer-brand img{width:42px;height:42px}.footer .legal{display:block}.navrow{gap:12px}}@media(max-width:380px){.brand-logo{width:82px;height:40px}.brand strong{font-size:16px}.brand small{font-size:7px;letter-spacing:.7px}.menu-toggle{font-size:13px;padding:6px 9px}}

/* Bilingual navigation and English typography. */
.lang-switch{font-size:12px;color:var(--teal);border:1px solid var(--line);padding:5px 9px;white-space:nowrap;flex-shrink:0;margin-left:auto}.lang-switch:hover{background:#edf5f6}html[lang=en] h1,html[lang=en] h2{letter-spacing:0}html[lang=en] .hero h1{font-size:clamp(36px,4.2vw,60px);line-height:1.2}html[lang=en] .brand strong{font-size:17px;letter-spacing:1px}html[lang=en] .brand small{font-size:8px;letter-spacing:.2px}html[lang=en] nav{gap:21px}html[lang=en] .strip-item strong{font-size:16px}html[lang=en] .section-head h2{max-width:670px}html[lang=en] .category{font-size:12px;padding:8px 14px}
@media(max-width:1100px){html[lang=en] .menu-toggle{display:block}html[lang=en] nav{display:none;position:absolute;top:86px;left:0;right:0;padding:20px 5%;background:white;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:17px}html[lang=en] nav.open{display:flex}}
@media(max-width:760px){.navrow{gap:8px}.brand{gap:7px}.brand-logo{width:80px;height:40px}.brand strong{font-size:16px;letter-spacing:2px}.brand small{font-size:7px;letter-spacing:0}.lang-switch{font-size:11px;padding:4px 6px}.menu-toggle{font-size:12px;padding:6px 8px}html[lang=en] .brand strong{font-size:12px;letter-spacing:.4px;max-width:112px}html[lang=en] .brand small{font-size:7px;max-width:112px;line-height:1.3}html[lang=en] nav{top:72px}html[lang=en] .hero h1{font-size:36px}html[lang=en] .hero p{font-size:13px;line-height:1.8}html[lang=en] .section-head h2{font-size:27px}html[lang=en] .contact-info a{font-size:15px}html[lang=en] .strip-item strong{font-size:14px}}
@media(max-width:360px){.brand-logo{width:65px}.brand strong{font-size:14px}.brand small{font-size:6px}.navrow{gap:6px}}

/* Shared native language menu and all-locale responsive layout. */
.language-menu{position:relative;margin-inline-start:auto;flex-shrink:0;font-size:12px;color:var(--teal)}.language-menu summary{cursor:pointer;list-style:none;border:1px solid var(--line);padding:6px 10px;white-space:nowrap;display:flex;align-items:center;gap:5px;background:white}.language-menu summary::-webkit-details-marker{display:none}.language-menu summary:focus-visible{outline:3px solid #76b849;outline-offset:3px}.language-code{display:none}.language-options{position:absolute;inset-inline-end:0;top:calc(100% + 8px);background:white;border:1px solid var(--line);box-shadow:0 12px 32px #102e3b22;width:210px;max-height:65vh;overflow:auto;z-index:50;padding:6px}.language-options a{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:9px 12px;color:var(--ink);font-size:13px}.language-options a:hover,.language-options a[aria-current=page]{background:#eaf5fd;color:#087ac7}.language-options small{color:var(--muted);font-size:10px}.technical-note{font-size:12px;color:var(--muted);margin-top:25px}html:not([lang=zh-CN]) h1,html:not([lang=zh-CN]) h2{letter-spacing:0}html:not([lang=zh-CN]) .hero h1{font-size:clamp(35px,4.1vw,60px);line-height:1.25;max-width:850px}html:not([lang=zh-CN]) .brand strong{font-size:17px;letter-spacing:1px}html:not([lang=zh-CN]) .brand small{font-size:8px;letter-spacing:.2px}html:not([lang=zh-CN]) nav{gap:20px}html:not([lang=zh-CN]) .strip-item strong{font-size:15px}html:not([lang=zh-CN]) .category{font-size:12px;padding:8px 13px}html:not([lang=zh-CN]) .contact-info a{font-size:16px}html[dir=rtl] .hero:after{background:linear-gradient(270deg,rgba(7,35,47,.93),rgba(7,35,47,.7) 43%,rgba(7,35,47,.08))}html[dir=rtl] .product{text-align:right}html[dir=rtl] .strip-item{border-left:0;border-right:1px solid var(--line);padding-left:0;padding-right:24px}html[dir=rtl] .strip-item:first-child{border-right:0;padding-right:0}html[dir=rtl] a[href^="tel:"],html[dir=rtl] a[href^="mailto:"],html[dir=rtl] .brand small{direction:ltr;unicode-bidi:isolate}html[dir=rtl] .legacy-content{unicode-bidi:plaintext}html[dir=rtl] .brand-logo{direction:ltr}html[dir=rtl] .backtop{right:auto;left:25px}
@media(max-width:1200px){html:not([lang=zh-CN]) .menu-toggle{display:block}html:not([lang=zh-CN]) nav{display:none;position:absolute;top:86px;left:0;right:0;padding:20px 5%;background:white;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:17px}html:not([lang=zh-CN]) nav.open{display:flex}}
@media(max-width:760px){.language-menu summary{padding:5px 7px;font-size:11px;gap:3px}.language-name{display:none}.language-code{display:inline}.language-options{width:190px}.brand-logo{width:75px}.navrow{gap:7px}html:not([lang=zh-CN]) .brand strong{font-size:12px;letter-spacing:.4px;max-width:112px}html:not([lang=zh-CN]) .brand small{font-size:7px;max-width:112px;line-height:1.3}html:not([lang=zh-CN]) nav{top:72px}html:not([lang=zh-CN]) .hero h1{font-size:34px}html:not([lang=zh-CN]) .hero p{font-size:13px;line-height:1.8}html:not([lang=zh-CN]) .section-head h2{font-size:27px}html:not([lang=zh-CN]) .strip-item strong{font-size:14px}html[dir=rtl] .strip-item{padding-right:15px}html[dir=rtl] .strip-item:first-child{border-right:1px solid var(--line);padding-right:15px}}

html:not([lang=zh-CN]) h1,html:not([lang=zh-CN]) h2,html:not([lang=zh-CN]) h3{overflow-wrap:anywhere;hyphens:auto}.language-options a span{overflow-wrap:anywhere}.product-copy{min-width:0}.news-row h3{min-width:0}.contact-info>div{min-width:0}