:root{--orange:#f5a000;--orange-dark:#c97900;--ink:#171b1f;--steel:#657078;--mist:#f2f4f3;--line:#dce1de;--white:#fff;--shell:min(1160px,calc(100% - 48px))}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:Arial,"Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}.shell{width:var(--shell);margin:0 auto}.topbar{position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line);background:rgba(255,255,255,.96);backdrop-filter:blur(14px)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand img{width:54px;height:40px;padding:5px;border:1px solid var(--line);object-fit:contain}.brand span{display:block;min-width:0}.brand strong,.brand small{display:block}.brand strong{font-size:14px}.brand small{margin-top:6px;color:var(--steel);font-size:9px;letter-spacing:.08em;text-transform:uppercase}.nav nav{display:flex;align-items:center;gap:24px;font-size:12px;font-weight:700}.nav nav a:hover{color:var(--orange-dark)}.nav .language{padding:8px 10px;border:1px solid var(--line);border-radius:3px;background:var(--mist)}.breadcrumb{display:flex;gap:8px;align-items:center;padding-top:28px;color:var(--steel);font-size:11px}.breadcrumb strong{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hero{min-height:590px;display:grid;grid-template-columns:.9fr 1.1fr;align-items:center;gap:68px;padding-top:54px;padding-bottom:72px}.hero-copy{min-width:0}.eyebrow{margin:0;color:var(--orange-dark);font-size:11px;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.hero h1{margin:16px 0 22px;font-size:clamp(40px,5.5vw,70px);line-height:1.04;letter-spacing:-.045em}.lead{margin:0;color:var(--steel);font-size:17px;line-height:1.85}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border:1px solid var(--ink);border-radius:3px;font-size:12px;font-weight:800}.button.primary{border-color:var(--orange);background:var(--orange)}.button.light{color:#fff;border-color:#677178}.micro{margin:13px 0 0;color:#899197;font-size:11px;line-height:1.6}.hero-media{position:relative;min-width:0;height:470px;overflow:hidden;background:var(--mist)}.hero-media img{width:100%;height:100%;padding:34px;object-fit:contain}.hero-media.factory img{padding:0;object-fit:cover}.hero-media span{position:absolute;left:18px;bottom:18px;padding:8px 10px;color:#fff;background:rgba(23,27,31,.84);font-size:9px;font-weight:900;letter-spacing:.08em}.section{padding:88px 0}.section.muted{background:var(--mist)}.section.dark{color:#fff;background:#1a1f23}.section-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:80px}.section h2,.cta h2{margin:13px 0 0;font-size:clamp(30px,4vw,48px);line-height:1.12;letter-spacing:-.035em}.section-head{max-width:760px;margin-bottom:34px}.section-head>p:last-child{color:var(--steel);line-height:1.8}.check-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.check-list li{position:relative;padding:20px 0 20px 34px;border-bottom:1px solid var(--line);font-size:15px;line-height:1.55}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--orange-dark);font-weight:900}.number-grid,.service-grid,.facts,.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.number-grid article,.service-grid article{min-width:0;padding:24px;border:1px solid var(--line);background:#fff}.number-grid b{color:var(--orange-dark);font-size:24px}.number-grid p,.service-grid p{margin:24px 0 0;color:var(--steel);font-size:13px;line-height:1.7}.service-grid article{border-color:#343b40;background:#22282c}.service-grid span{color:var(--orange);font-weight:900}.service-grid p{color:#c3cbd0}.facts{margin-top:32px}.facts div{padding-top:18px;border-top:1px solid #3b4348}.facts strong,.facts span{display:block}.facts strong{color:var(--orange);font-size:26px}.facts span{margin-top:7px;color:#b9c2c7;font-size:11px}.light-facts div{border-color:var(--line)}.light-facts strong{color:var(--orange-dark)}.light-facts span{color:var(--steel)}.faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:72px}.faq details{border-top:1px solid var(--line)}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{padding:20px 32px 20px 0;font-weight:800;cursor:pointer}.faq p{margin:0;padding:0 0 22px;color:var(--steel);line-height:1.75}.related-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.article-links{grid-template-columns:repeat(3,minmax(0,1fr))}.related-card{min-width:0;padding:24px;border:1px solid var(--line);background:#fff}.related-card span,.solution-card span{color:var(--orange-dark);font-size:9px;font-weight:900}.related-card strong{display:block;margin-top:28px;font-size:18px;line-height:1.3}.related-card b{display:block;margin-top:18px}.article-hero{display:grid;grid-template-columns:1.25fr .75fr;align-items:center;gap:64px;padding-top:70px;padding-bottom:70px}.article-hero h1{margin:16px 0 22px;font-size:clamp(38px,5vw,62px);line-height:1.08;letter-spacing:-.04em}.article-meta{margin-top:20px;color:#899197;font-size:11px}.article-cover{height:360px;background:var(--mist)}.article-cover img{width:100%;height:100%;padding:32px;object-fit:contain}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:72px;padding-top:18px;padding-bottom:90px}.article-body{max-width:760px}.article-section{padding:34px 0;border-top:1px solid var(--line)}.article-section h2{margin:0 0 16px;font-size:25px;line-height:1.35}.article-section p{margin:0;color:#4f5960;font-size:16px;line-height:1.9}.article-section p+p{margin-top:16px}.article-aside{position:sticky;top:104px;align-self:start;display:grid;gap:10px}.aside-card{padding:24px;border:1px solid var(--line);background:var(--mist)}.aside-card h2{margin:10px 0 20px;font-size:22px}.aside-card .check-list li{padding:13px 0 13px 26px;font-size:13px}.cta{padding:68px 0;color:#fff;background:#171b1f}.cta-row{display:flex;align-items:center;justify-content:space-between;gap:48px}.cta .eyebrow{color:var(--orange)}.cta p:last-child{color:#aeb7bc}.cta .actions{flex-shrink:0;margin-top:0}footer{padding:24px 0;color:#7f898f;background:#111417;font-size:11px}footer .shell{display:flex;justify-content:space-between;gap:20px}.solution-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.solution-card{min-width:0;padding:18px;border:1px solid var(--line);background:#fff}.solution-card img{width:100%;height:180px;margin-bottom:18px;padding:16px;background:var(--mist);object-fit:contain}.solution-card strong{display:block;min-height:48px;margin-top:10px;font-size:16px;line-height:1.4}.solution-card b{display:block;margin-top:14px;font-size:11px}.english-home{padding-top:72px}.english-home h1{font-size:clamp(44px,5.7vw,74px)}@media(max-width:900px){:root{--shell:min(100% - 32px,1160px)}.nav nav{gap:14px}.hero{grid-template-columns:1fr;gap:36px;min-height:0;padding-top:44px}.hero-media{height:390px}.section-grid,.faq-layout,.article-hero,.article-layout{grid-template-columns:1fr;gap:34px}.article-aside{position:static}.article-links{grid-template-columns:repeat(2,minmax(0,1fr))}.article-cover{height:320px}.number-grid,.service-grid,.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.solution-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.cta-row{display:block}.cta .actions{margin-top:26px}}@media(max-width:620px){:root{--shell:min(100% - 28px,1160px)}.nav{min-height:64px}.brand img{width:44px;height:34px}.brand strong{font-size:12px}.nav nav a:not(:last-child){display:none}.nav nav{gap:8px}.breadcrumb{padding-top:18px}.hero{padding-top:34px;padding-bottom:52px}.hero h1,.english-home h1,.article-hero h1{font-size:clamp(32px,9.5vw,42px);overflow-wrap:anywhere}.lead{font-size:15px;line-height:1.72}.hero-media{height:300px}.hero-media img{padding:22px}.article-hero{padding-top:40px;padding-bottom:44px}.article-cover{height:260px}.article-cover img{padding:20px}.article-layout{padding-bottom:62px}.article-section{padding:26px 0}.article-section h2{font-size:21px}.article-section p{font-size:15px}.section{padding:60px 0}.section h2,.cta h2{font-size:30px;overflow-wrap:anywhere}.number-grid,.service-grid,.facts,.related-grid,.solution-grid,.article-links{grid-template-columns:1fr}.number-grid article,.service-grid article{padding:20px}.facts{grid-template-columns:repeat(2,minmax(0,1fr))}.related-grid{gap:9px}.solution-card{display:grid;grid-template-columns:108px minmax(0,1fr);gap:12px}.solution-card img{grid-row:1/5;width:108px;height:126px;margin:0;padding:8px}.solution-card strong{min-height:0;font-size:14px}.cta{padding:54px 0}.cta .actions{display:grid}.button{width:100%}footer .shell{display:block}footer a{display:block;margin-top:9px}}