:root{--ink:#10283b;--navy:#082d4d;--deep:#061f35;--teal:#18a99a;--mint:#b9efe6;--paper:#f7f9fb;--line:#d8e1e8;--muted:#5e7080;--white:#fff;--radius:18px;--shadow:0 18px 45px rgba(7,37,62,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:#fff;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,select{font:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:sticky;top:0;z-index:30;min-height:78px;padding:0 clamp(18px,4vw,64px);display:flex;align-items:center;gap:24px;background:rgba(255,255,255,.95);border-bottom:1px solid rgba(8,45,77,.1);backdrop-filter:blur(14px)}.brand{display:flex;align-items:center;gap:11px;margin-right:auto;min-width:max-content}.brand-mark{width:42px;height:42px;border-radius:10px;background:var(--navy);color:var(--mint);display:grid;place-items:center;font-weight:900;letter-spacing:-1px}.brand strong,.brand small{display:block;line-height:1.15}.brand strong{font-size:.98rem;letter-spacing:.04em}.brand small{font-size:.7rem;color:var(--muted);letter-spacing:.08em;margin-top:4px}.site-header nav{display:flex;align-items:center;gap:4px}.site-header nav a{padding:9px 11px;border-radius:9px;font-size:.88rem;font-weight:700}.site-header nav a:hover,.site-header nav a[aria-current=page]{background:#e9f4f3;color:#087c70}.language-picker{white-space:nowrap}.language-select{max-width:126px;padding:8px 28px 8px 10px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);font-weight:750;cursor:pointer}.menu-button{display:none;border:0;background:var(--navy);color:#fff;border-radius:9px;padding:8px 12px}.home-hero{min-height:620px;padding:clamp(70px,10vw,150px) clamp(22px,7vw,110px);display:flex;align-items:end;justify-content:space-between;gap:40px;color:#fff;background:linear-gradient(90deg,rgba(4,26,44,.93) 0%,rgba(4,26,44,.72) 46%,rgba(4,26,44,.18)),var(--hero-image) center/cover}.hero-copy{max-width:780px}.eyebrow{display:block;font-size:.76rem;font-weight:900;letter-spacing:.18em;color:var(--teal);text-transform:uppercase;margin-bottom:14px}.home-hero .eyebrow,.dark .eyebrow,.contact-band .eyebrow{color:var(--mint)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(2.3rem,5.6vw,5.8rem);line-height:1.02;letter-spacing:-.045em;margin-bottom:24px}.hero-copy p{font-size:clamp(1rem,1.6vw,1.3rem);max-width:680px;color:#d8e7f2}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:999px;font-weight:800}.button.primary{background:var(--teal);color:#fff}.button.secondary{background:#fff;color:var(--navy)}.button.outline{border:1px solid var(--line);background:#fff}.hero-audit{min-width:220px;padding:24px;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius);background:rgba(8,45,77,.62);backdrop-filter:blur(10px)}.hero-audit span,.hero-audit p{font-size:.82rem;color:#d4e2ec}.hero-audit strong{display:block;font-size:4.5rem;line-height:1}.stats{display:grid;grid-template-columns:repeat(4,1fr);background:var(--navy);color:#fff;padding:0 clamp(22px,6vw,90px)}.stats div{padding:32px;border-right:1px solid rgba(255,255,255,.12)}.stats strong{display:block;font-size:2rem;color:var(--mint)}.stats span{font-size:.88rem;color:#c9d7e1}.section{padding:clamp(65px,8vw,120px) clamp(22px,6vw,90px)}.section.muted{background:var(--paper)}.section.dark{background:var(--deep);color:#fff}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}.section-heading h2,.page-hero h1{font-size:clamp(2rem,4vw,4rem);line-height:1.07;letter-spacing:-.035em;margin-bottom:12px}.section-heading p{max-width:680px;color:var(--muted)}.dark .section-heading p{color:#c8d4dd}.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.category-card{background:var(--paper);border-radius:var(--radius);overflow:hidden}.category-card a{display:block;position:relative}.category-card img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:.35s}.category-card:hover img{transform:scale(1.035)}.category-card span{display:block;padding:18px 56px 20px 18px;font-weight:850;line-height:1.25}.category-card b{position:absolute;right:16px;bottom:17px;color:var(--teal)}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-card{padding:28px;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius)}.feature-card>span,.advantage-card>span{font-size:.76rem;font-weight:900;color:var(--teal)}.feature-card h3,.advantage-card h3{font-size:1.25rem;margin:14px 0 10px}.feature-card p{color:#cbd8e0}.advantage-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.advantage-card{padding:30px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}.advantage-card p{white-space:pre-line;color:var(--muted)}.application-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.application-card{display:grid;grid-template-columns:190px 1fr;gap:0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}.application-card .zoomable,.application-card img{height:100%;width:100%}.application-card img{object-fit:cover}.application-card>div{padding:24px}.application-card p{color:var(--muted)}.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.gallery-grid.compact{grid-template-columns:repeat(4,1fr)}.gallery-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff}.gallery-card .zoomable,.gallery-card img{width:100%}.gallery-card img{aspect-ratio:4/3;object-fit:contain;background:#f7f9fb}.gallery-card h3{padding:16px 18px;margin:0;font-size:1rem}.zoomable{display:block;padding:0;border:0;background:transparent;cursor:zoom-in;overflow:hidden}.zoomable img{transition:transform .3s}.zoomable:hover img{transform:scale(1.025)}.about-split{display:grid;grid-template-columns:1.5fr .7fr;gap:40px}.audit-card{padding:28px;border-radius:var(--radius);background:#0c3a5f;border:1px solid rgba(255,255,255,.14);color:#fff}.audit-card p{color:#d2e0e9}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.news-card{padding:24px;border:1px solid var(--line);border-radius:var(--radius)}.news-card time{font-size:.8rem;color:var(--teal);font-weight:800}.news-card h3{margin:12px 0 26px;line-height:1.35}.text-link{color:#087c70;font-weight:850}.contact-band{margin:0 clamp(22px,6vw,90px) clamp(65px,8vw,120px);padding:clamp(34px,5vw,64px);display:flex;justify-content:space-between;gap:30px;align-items:center;background:var(--navy);color:#fff;border-radius:26px}.contact-band h2{font-size:clamp(2rem,4vw,3.8rem);line-height:1.05;margin-bottom:14px}.contact-band p{color:#c9d8e1}.contact-actions{display:flex;flex-direction:column;gap:10px}.contact-actions a{padding:14px 18px;border-radius:10px;background:#fff;color:var(--navy);font-weight:850;white-space:nowrap}.page-hero{min-height:360px;padding:clamp(70px,8vw,120px) clamp(22px,6vw,90px);background:linear-gradient(120deg,var(--deep),#0f4e78);color:#fff;position:relative}.page-hero>p{max-width:720px;color:#d1e0ea}.page-hero h1{max-width:950px}.hero-count{position:absolute;right:clamp(22px,6vw,90px);bottom:50px;text-align:right}.hero-count strong{display:block;font-size:4.2rem;line-height:1;color:var(--mint)}.hero-count span{font-size:.84rem;color:#d1e0ea}.catalog-layout{padding:50px clamp(22px,6vw,90px) 100px;display:grid;grid-template-columns:250px 1fr;gap:30px}.filters{position:sticky;top:105px;align-self:start;display:flex;flex-direction:column;gap:7px}.filter{text-align:left;border:0;border-radius:10px;padding:12px 14px;background:var(--paper);color:var(--ink);cursor:pointer;font-weight:750}.filter span{float:right;color:var(--muted)}.filter:hover,.filter.active{background:var(--navy);color:#fff}.filter.active span{color:var(--mint)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:0 8px 25px rgba(8,45,77,.05)}.product-image .zoomable,.product-image img{width:100%}.product-image img{aspect-ratio:4/3;object-fit:contain;background:#f7f9fb}.product-card-body{padding:20px}.card-meta{font-size:.72rem;line-height:1.35;color:var(--teal);font-weight:850;text-transform:uppercase;letter-spacing:.06em}.product-card h3{font-size:1.05rem;line-height:1.35;margin:10px 0 20px}.detail-head{padding:60px clamp(22px,6vw,90px);display:grid;grid-template-columns:1fr minmax(320px,620px);gap:50px;align-items:center;background:var(--paper)}.detail-head h1{font-size:clamp(2.2rem,4.5vw,4.5rem)}.back-link{display:inline-block;margin-bottom:35px;color:#087c70;font-weight:850}.detail-image{border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}.detail-image .zoomable,.detail-image img{width:100%}.detail-image img{max-height:520px;object-fit:contain}.detail-layout{padding:60px clamp(22px,6vw,90px) 110px;display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:50px}.detail-aside{position:sticky;top:105px;align-self:start;padding:26px;border-radius:var(--radius);background:var(--navy);color:#fff}.detail-aside a{display:block;margin:10px 0;font-weight:850}.detail-aside p{font-size:.86rem;color:#c8d7e0;margin-top:24px}.rich-text{max-width:100%}.rich-text p{margin-bottom:1.2em}.rich-text table,.spec-table{width:100%;border-collapse:collapse;margin:20px 0;display:block;overflow-x:auto}.rich-text td,.rich-text th{border:1px solid var(--line);padding:10px 12px;min-width:110px;text-align:left}.rich-text img{max-height:680px;object-fit:contain;margin:18px auto}.company-page{display:grid;grid-template-columns:minmax(300px,.8fr) 1.4fr;gap:50px}.company-image .zoomable,.company-image img{width:100%}.company-image img{border-radius:var(--radius)}.application-list{display:grid;gap:22px}.application-card.wide{grid-template-columns:minmax(260px,.7fr) 1.3fr}.application-card.wide>div{padding:34px}.news-list{max-width:1050px;margin:auto}.news-list article{padding:28px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:170px 1fr 140px;gap:25px;align-items:center}.news-list article>div{display:flex;flex-direction:column;font-size:.8rem;color:var(--muted)}.news-list h2{font-size:1.25rem;margin:0}.article-head{padding:70px max(22px,calc((100vw - 980px)/2));background:var(--paper)}.article-head h1{font-size:clamp(2.1rem,4vw,4rem);max-width:900px}.article-meta{display:flex;gap:20px;align-items:center;color:var(--muted)}.article-body{max-width:980px;margin:auto;padding:60px 22px 110px;font-size:1.05rem}.article-body p{margin-bottom:1.35em}.contact-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:20px}.contact-grid>article{padding:30px;border:1px solid var(--line);border-radius:var(--radius)}.contact-grid .audit-card{background:var(--navy)}.contact-line{display:block;font-size:1.4rem;font-weight:900;margin:12px 0;color:#087c70}footer{padding:50px clamp(22px,6vw,90px);display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;background:#041927;color:#d7e4ec}footer>div{display:flex;flex-direction:column;gap:9px}footer a{color:#fff}.footer-brand{margin-bottom:10px}.footer-brand .brand-mark{background:var(--teal);color:var(--deep)}.footer-brand small{color:#aebfca}.lightbox{width:min(94vw,1100px);padding:0;border:0;border-radius:16px;background:#071d2c;color:#fff;box-shadow:0 30px 90px #000}.lightbox::backdrop{background:rgba(1,12,20,.86)}.lightbox img{max-width:100%;max-height:82vh;margin:auto}.lightbox p{padding:12px 18px;margin:0;text-align:center}.lightbox-close{position:absolute;right:10px;top:10px;width:42px;height:42px;border:0;border-radius:50%;background:#fff;color:#071d2c;font-size:1.6rem;cursor:pointer}.empty-note{padding:22px;background:var(--paper);border-left:4px solid var(--teal)}[dir=rtl] .brand{margin-right:0;margin-left:auto}[dir=rtl] .filter{text-align:right}[dir=rtl] .hero-count{right:auto;left:clamp(22px,6vw,90px);text-align:left}
.company-logo{display:block;width:clamp(280px,28vw,430px);height:auto;max-height:64px;object-fit:contain;object-position:left center}.footer-brand .company-logo{width:min(100%,430px);max-height:none}.footer-brand{padding:0;background:transparent;border-radius:0}footer{background:#fff;color:var(--ink);border-top:1px solid var(--line)}footer a{color:var(--navy)}.footer-brand small{color:var(--muted)}.gallery-card img.customer-logo-yurong{object-fit:cover;object-position:center 68%}.gallery-card img.customer-logo-opt,.gallery-card img.customer-logo-botong,.gallery-card img.customer-logo-shenzhou{object-fit:contain;object-position:center}
.whatsapp-float{position:fixed;right:24px;bottom:24px;z-index:50;width:60px;height:60px;display:grid;place-items:center;border:3px solid #fff;border-radius:50%;background:#25d366;color:#fff;box-shadow:0 12px 34px rgba(5,45,28,.32);transition:transform .2s ease,box-shadow .2s ease}.whatsapp-float svg{width:34px;height:34px}.whatsapp-float:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 16px 38px rgba(5,45,28,.4)}.whatsapp-float:focus-visible{outline:4px solid rgba(37,211,102,.35);outline-offset:3px}[dir=rtl] .whatsapp-float{right:auto;left:24px}
@media(max-width:1250px){.site-header nav{position:absolute;left:16px;right:16px;top:70px;display:none;flex-direction:column;align-items:stretch;padding:12px;border-radius:14px;background:#fff;box-shadow:var(--shadow)}.site-header nav.open{display:flex}.menu-button{display:block}.category-grid,.gallery-grid,.gallery-grid.compact{grid-template-columns:repeat(3,1fr)}.product-grid{grid-template-columns:repeat(2,1fr)}.application-card{grid-template-columns:150px 1fr}.contact-grid{grid-template-columns:1fr 1fr}.contact-grid .audit-card{grid-column:1/-1}}
@media(max-width:760px){h1{font-size:2.55rem}.site-header{min-height:68px;padding:0 10px;gap:7px}.company-logo{width:150px;max-height:48px}.language-select{max-width:86px;font-size:.75rem;padding:7px 20px 7px 6px}.menu-button{padding:7px 9px;font-size:.8rem}.home-hero{min-height:580px;align-items:end;display:block;padding-top:120px}.hero-audit{margin-top:35px;min-width:0}.stats{grid-template-columns:repeat(2,1fr);padding:0}.stats div{padding:22px}.section-heading{align-items:start;flex-direction:column}.category-grid,.feature-grid,.advantage-grid,.gallery-grid,.gallery-grid.compact,.news-grid,.product-grid,.contact-grid{grid-template-columns:1fr}.application-grid{grid-template-columns:1fr}.application-card,.application-card.wide{grid-template-columns:1fr}.application-card .zoomable,.application-card img{height:auto}.about-split,.company-page{grid-template-columns:1fr}.contact-band{flex-direction:column;align-items:flex-start}.page-hero{min-height:390px}.hero-count{position:static;text-align:left;margin-top:35px}.catalog-layout{grid-template-columns:1fr;padding-top:24px}.filters{position:static;display:grid;grid-template-columns:1fr 1fr}.detail-head,.detail-layout{grid-template-columns:1fr}.detail-head{padding-top:35px}.detail-aside{position:static}.news-list article{grid-template-columns:1fr;gap:10px}.news-list article>div{flex-direction:row;gap:12px}.article-meta{align-items:flex-start;flex-direction:column}.contact-grid .audit-card{grid-column:auto}footer{grid-template-columns:1fr}.lightbox{width:96vw}.section{padding-left:18px;padding-right:18px}}
@media(max-width:760px){h1{font-size:2.55rem}.site-header{min-height:68px;padding:0 10px;gap:7px}.company-logo{width:150px;max-height:48px}.language-select{max-width:86px;font-size:.75rem;padding:7px 20px 7px 6px}.menu-button{padding:7px 9px;font-size:.8rem}.home-hero{min-height:580px;align-items:end;display:block;padding-top:120px}.hero-audit{margin-top:35px;min-width:0}.stats{grid-template-columns:repeat(2,1fr);padding:0}.stats div{padding:22px}.section-heading{align-items:start;flex-direction:column}.category-grid,.feature-grid,.advantage-grid,.gallery-grid,.gallery-grid.compact,.news-grid,.product-grid,.contact-grid{grid-template-columns:1fr}.application-grid{grid-template-columns:1fr}.application-card,.application-card.wide{grid-template-columns:1fr}.application-card .zoomable,.application-card img{height:auto}.about-split,.company-page{grid-template-columns:1fr}.contact-band{flex-direction:column;align-items:flex-start}.page-hero{min-height:390px}.hero-count{position:static;text-align:left;margin-top:35px}.catalog-layout{grid-template-columns:1fr;padding-top:24px}.filters{position:static;display:grid;grid-template-columns:1fr 1fr}.detail-head,.detail-layout{grid-template-columns:1fr}.detail-head{padding-top:35px}.detail-aside{position:static}.news-list article{grid-template-columns:1fr;gap:10px}.news-list article>div{flex-direction:row;gap:12px}.article-meta{align-items:flex-start;flex-direction:column}.contact-grid .audit-card{grid-column:auto}footer{grid-template-columns:1fr}.lightbox{width:96vw}.section{padding-left:18px;padding-right:18px}.whatsapp-float{right:16px;bottom:16px;width:54px;height:54px}.whatsapp-float svg{width:30px;height:30px}[dir=rtl] .whatsapp-float{right:auto;left:16px}}