.sw2{--sw-blue:#2563eb;--sw-ink:#0f172a;--sw-copy:#475569;--sw-muted:#64748b;--sw-line:#dce4ed;--sw-soft:#f8fafc;color:var(--sw-ink);background:#fff;font-family:var(--font-sans,"Microsoft YaHei",sans-serif);font-size:16px;line-height:1.8;overflow-wrap:break-word}
.sw2 *{box-sizing:border-box}.sw2 :where(h1,h2,h3,h4,p,ul,ol,dl,dd,figure){margin:0}.sw2 :where(ul,ol){padding:0;list-style:none}.sw2 a{color:inherit;text-decoration:none}.sw2 a:focus-visible,.sw2 summary:focus-visible{outline:3px solid var(--sw-blue);outline-offset:4px}.sw2 :where(h1,h2){font-family:var(--font-serif,"SimSun",serif);color:var(--sw-ink);font-weight:600;line-height:1.45}.sw2 :where(h3,h4){font-family:var(--font-sans,"Microsoft YaHei",sans-serif);color:var(--sw-ink);line-height:1.5;font-weight:600}.sw2 nav{height:auto;line-height:inherit;background:none;box-shadow:none;color:inherit}.sw2 [id]{scroll-margin-top:155px}.sw2-wrap{max-width:1280px;margin:0 auto;width:100%;padding:0 32px}.sw2-eyebrow{font-size:12px;color:var(--sw-blue);letter-spacing:1px}.sw2-skip{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.sw2-skip:focus{position:fixed;top:80px;left:20px;z-index:1100;width:auto;height:auto;clip-path:none;background:#fff;padding:12px 20px}
.sw2-hero{padding:92px 0 32px}.sw2-crumb{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--sw-copy);margin-bottom:20px}.sw2-crumb a{min-height:44px;display:inline-flex;align-items:center}.sw2-hero-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:55px;align-items:center}.sw2 h1{font-size:46px;letter-spacing:.5px;margin:12px 0 19px}.sw2-lead{max-width:510px;font-size:16px;line-height:1.95;color:var(--sw-copy)}.sw2-actions{display:flex;gap:25px;align-items:center;flex-wrap:wrap;margin-top:25px}.sw2 .sw2-button{display:inline-flex;justify-content:center;align-items:center;gap:30px;min-height:50px;padding:12px 23px;border-radius:4px;color:#fff;background:var(--sw-blue);font-size:14px;transition:background .2s}.sw2-button>span{font-size:20px;line-height:1}.sw2 .sw2-button:hover{background:#1d4ed8}.sw2 .sw2-button:active{background:#1e40af}.sw2 .sw2-text-link{min-height:44px;display:inline-flex;gap:15px;align-items:center;font-size:13px;color:var(--sw-copy)}.sw2 .sw2-text-link:hover{color:var(--sw-blue)}.sw2-hero-points{display:flex;flex-wrap:wrap;gap:5px 20px;margin-top:24px!important;color:var(--sw-muted);font-size:12px}.sw2-hero-points li{padding-left:10px;position:relative}.sw2-hero-points li:before{content:"";position:absolute;left:0;top:10px;width:3px;height:3px;background:var(--sw-blue)}.sw2-hero-art{border:1px solid #e8e6e2;border-radius:4px;overflow:hidden;background:#f4f1ed}.sw2-hero-art picture,.sw2-layer-art picture{display:block}.sw2-hero-art img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.sw2-hero-art figcaption{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:11px 18px;background:#fff;color:var(--sw-copy);font-size:11px;border-top:1px solid #e8e6e2}.sw2-hero-art figcaption>span:last-child{font-size:10px;color:var(--sw-muted)}
.sw2-index{position:sticky;top:76px;z-index:90;background:#fffffff5;border-top:1px solid var(--sw-line);border-bottom:1px solid var(--sw-line)}.sw2-index nav{display:flex;align-items:center;justify-content:space-between;gap:16px}.sw2-index a{display:flex;align-items:center;gap:15px;min-height:57px;font-size:13px;white-space:nowrap}.sw2-index a>span{font-family:Georgia,serif;color:var(--sw-muted);font-size:12px}.sw2-index a:hover{color:var(--sw-blue)}
.sw2-section{padding:46px 0}.sw2-soft{background:var(--sw-soft);border-top:1px solid var(--sw-line);border-bottom:1px solid var(--sw-line)}.sw2-heading{display:flex;justify-content:space-between;align-items:end;gap:45px;margin-bottom:28px}.sw2 h2{font-size:32px;letter-spacing:.3px}.sw2-heading h2{margin-top:9px}.sw2-heading>p{max-width:380px;color:var(--sw-copy);font-size:14px;line-height:1.9}.sw2-service-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:45px}.sw2-service-grid article{display:grid;grid-template-columns:32px 1fr;gap:16px;padding:24px 0;border-top:1px solid var(--sw-line)}.sw2-number{font-family:Georgia,serif;font-size:14px;color:var(--sw-blue);padding-top:3px}.sw2-service-grid h3{font-size:21px;margin-bottom:9px}.sw2-service-grid article p{font-size:14px;color:var(--sw-copy);line-height:1.9}.sw2-service-grid small{display:block;font-size:12px;color:var(--sw-muted);margin-top:12px}.sw2-scenarios{display:flex;align-items:center;gap:25px;border-top:1px solid var(--sw-line);padding-top:17px;margin-top:1px}.sw2-scenarios h3{font-size:13px;white-space:nowrap}.sw2-scenarios p{font-size:12px;color:var(--sw-copy);margin-right:auto}.sw2-scenarios p>span{margin:0 13px;color:#94a3b8}.sw2-scenarios .sw2-text-link{white-space:nowrap;font-size:12px}
.sw2-engineering{display:grid;grid-template-columns:.9fr 1.1fr;gap:50px;align-items:center}.sw2-layer-art{min-width:0}.sw2-layer-art img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:4px}.sw2-layer-art figcaption{display:flex;justify-content:space-between;gap:20px;color:var(--sw-copy);font-size:12px;padding-top:13px}.sw2-layer-art figcaption>span{font-size:10px;color:var(--sw-muted)}.sw2-capability-list article{display:grid;grid-template-columns:25px 1fr;gap:18px;padding:17px 0;border-top:1px solid var(--sw-line)}.sw2-capability-list article:first-child{padding-top:0;border-top:0}.sw2-capability-list article:last-child{padding-bottom:0}.sw2-capability-list article>span{font-family:Georgia,serif;color:var(--sw-blue);font-size:12px;padding-top:2px}.sw2-capability-list h3{font-size:17px;margin-bottom:6px}.sw2-capability-list p{font-size:14px;line-height:1.9;color:var(--sw-copy)}
.sw2-process{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}.sw2-process li{padding-top:16px;border-top:2px solid var(--sw-blue)}.sw2-process li>span{font-size:12px;color:var(--sw-blue)}.sw2-process h3{font-size:18px;margin:13px 0 9px}.sw2-process p{font-size:14px;color:var(--sw-copy);line-height:1.9}.sw2-process small{display:block;margin-top:17px;font-size:11px;color:var(--sw-muted)}
.sw2-handover{display:grid;grid-template-columns:1.5fr 1fr;gap:55px}.sw2-deliverables>div{display:grid;grid-template-columns:190px 1fr;gap:25px;padding:21px 0;border-top:1px solid var(--sw-line)}.sw2-deliverables>div:last-child{border-bottom:1px solid var(--sw-line)}.sw2-deliverables dt{display:flex;gap:18px;align-items:baseline;font-size:15px;font-weight:500}.sw2-deliverables dt>span{font-size:12px;font-family:Georgia,serif;color:var(--sw-blue)}.sw2-deliverables dd{font-size:14px;color:var(--sw-copy);line-height:1.9}.sw2-deployment{padding:25px 28px;background:#fff;border:1px solid var(--sw-line);border-radius:4px;align-self:start}.sw2-deployment h3{font-size:21px;margin:10px 0}.sw2-deployment p:not(.sw2-eyebrow){font-size:14px;color:var(--sw-copy);line-height:1.9}.sw2-deployment>div{border-top:1px solid var(--sw-line);padding-top:16px;margin-top:17px}.sw2-deployment h4{font-size:14px;margin-bottom:7px}
.sw2-faq-layout{display:grid;grid-template-columns:1fr 1.65fr;gap:70px}.sw2-faq-layout h2{margin-top:10px}.sw2-faq-note{font-size:14px;color:var(--sw-copy);margin-top:15px!important;max-width:290px}.sw2-faq details{border-top:1px solid var(--sw-line)}.sw2-faq details:last-child{border-bottom:1px solid var(--sw-line)}.sw2-faq summary{display:flex;justify-content:space-between;align-items:center;gap:25px;min-height:63px;font-size:15px;font-weight:500;list-style:none;cursor:pointer;padding:14px 0}.sw2-faq summary::-webkit-details-marker,.sw2-menu summary::-webkit-details-marker{display:none}.sw2-faq summary>span{position:relative;width:16px;height:16px;flex-shrink:0}.sw2-faq summary>span:before,.sw2-faq summary>span:after{position:absolute;content:"";left:2px;top:8px;width:12px;height:1px;background:var(--sw-blue)}.sw2-faq summary>span:after{transform:rotate(90deg);transition:transform .2s}.sw2-faq details[open] summary>span:after{transform:rotate(0)}.sw2-faq details>p{font-size:14px;color:var(--sw-copy);line-height:1.95;padding:0 30px 20px 0}
.sw2-contact{padding:35px 0;background:var(--sw-soft);border-top:1px solid var(--sw-line)}.sw2-contact>.sw2-wrap{display:flex;justify-content:space-between;align-items:center;gap:45px}.sw2-contact h2{margin:10px 0}.sw2-contact p:not(.sw2-eyebrow){font-size:14px;color:var(--sw-copy)}.sw2-contact>.sw2-wrap>div:last-child{display:flex;flex-direction:column;gap:9px;align-items:flex-start;flex-shrink:0}.sw2-contact .sw2-text-link{font-size:12px}
.sw2-mobile-header{position:fixed;top:0;left:0;width:100%;height:68px;z-index:1000;display:flex;align-items:center;gap:24px;padding:0 22px;background:#fffffff5;border-bottom:1px solid var(--sw-line)}.sw2 .sw2-brand{font-family:var(--font-serif,"SimSun",serif);font-size:23px;line-height:1.2;font-weight:600;letter-spacing:2px;display:flex;flex-direction:column;justify-content:center;min-height:44px;margin-right:auto}.sw2-brand>span{font-family:var(--font-sans,sans-serif);font-size:8px;letter-spacing:1.5px;font-weight:500;color:var(--sw-muted);margin-top:5px}.sw2 .sw2-header-contact{min-height:44px;display:flex;align-items:center;color:var(--sw-blue);font-size:12px}.sw2-menu summary{display:flex;align-items:center;gap:7px;min-height:44px;list-style:none;cursor:pointer;font-size:12px}.sw2-menu svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.5;fill:none}.sw2 .sw2-menu nav{position:absolute;top:67px;left:0;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:0 28px;padding:14px 22px 22px;background:#fff;border-bottom:1px solid var(--sw-line);box-shadow:0 18px 30px #0f172a0d}.sw2-menu nav a{min-height:52px;display:flex;align-items:center;border-bottom:1px solid var(--sw-line);font-size:15px;color:var(--sw-copy)}.sw2 .sw2-menu nav a[aria-current]{color:var(--sw-blue)}
@media(max-width:1100px){.sw2-hero-grid{gap:30px}.sw2 h1{font-size:39px}.sw2-heading{gap:30px}.sw2-heading>p{max-width:320px}.sw2 h2{font-size:29px}.sw2-service-grid{column-gap:30px}.sw2-scenarios{flex-wrap:wrap;gap:8px 25px}.sw2-engineering{gap:30px}.sw2-process{gap:22px}.sw2-process h3{font-size:17px}.sw2-handover{gap:30px;grid-template-columns:1.3fr 1fr}.sw2-deliverables>div{grid-template-columns:1fr;gap:9px}.sw2-faq-layout{gap:40px}}
@media(max-width:767px){.sw2-wrap{padding:0 22px}.sw2 [id]{scroll-margin-top:85px}.sw2-hero{padding:84px 0 25px}.sw2-crumb{font-size:12px;margin-bottom:15px;gap:10px}.sw2-hero-grid{grid-template-columns:1fr;gap:25px}.sw2-eyebrow{font-size:11px}.sw2 h1{font-size:35px;margin:11px 0 16px;line-height:1.5;letter-spacing:0}.sw2-lead{font-size:16px;line-height:1.85}.sw2-actions{gap:16px;margin-top:20px}.sw2 .sw2-button{padding:12px 20px;gap:23px}.sw2-hero-points{gap:5px 15px;margin-top:17px!important;font-size:11px}.sw2-hero-art figcaption{font-size:11px;padding:10px 13px;gap:15px}.sw2-hero-art figcaption>span:last-child{font-size:10px}.sw2-index{position:static}.sw2-index nav{justify-content:flex-start;flex-wrap:wrap;gap:0 22px;padding-top:5px;padding-bottom:5px}.sw2-index a{min-height:44px;gap:8px;font-size:12px}.sw2-index a>span{font-size:10px}.sw2-section{padding:30px 0}.sw2-heading{display:block;margin-bottom:22px}.sw2 h2{font-size:27px}.sw2-heading h2{margin-top:9px}.sw2-heading>p{max-width:none;font-size:16px;line-height:1.85;margin-top:13px}.sw2-service-grid{grid-template-columns:1fr}.sw2-service-grid article{gap:14px;grid-template-columns:25px 1fr;padding:20px 0}.sw2-service-grid h3{font-size:21px}.sw2-service-grid article p{font-size:16px;line-height:1.85}.sw2-service-grid small{font-size:12px;line-height:1.9;margin-top:11px}.sw2-scenarios{display:block;padding-top:20px}.sw2-scenarios h3{font-size:14px}.sw2-scenarios p{font-size:13px;line-height:2;margin-top:9px}.sw2-scenarios p>span{margin:0 8px}.sw2-scenarios .sw2-text-link{margin-top:4px}.sw2-engineering{grid-template-columns:1fr;gap:25px}.sw2-layer-art figcaption{font-size:11px}.sw2-capability-list article{padding:18px 0;gap:14px}.sw2-capability-list h3{font-size:18px}.sw2-capability-list p{font-size:16px;line-height:1.85}.sw2-process{grid-template-columns:1fr;gap:24px}.sw2-process li{padding-top:14px}.sw2-process h3{font-size:20px;margin:9px 0}.sw2-process p{font-size:16px;line-height:1.85}.sw2-process small{font-size:12px;margin-top:11px}.sw2-handover{grid-template-columns:1fr;gap:23px}.sw2-deliverables>div{padding:19px 0;gap:9px}.sw2-deliverables dt{font-size:16px;gap:15px}.sw2-deliverables dd{font-size:16px;line-height:1.85}.sw2-deployment{padding:22px}.sw2-deployment p:not(.sw2-eyebrow){font-size:16px;line-height:1.85}.sw2-deployment h4{font-size:16px}.sw2-faq-layout{grid-template-columns:1fr;gap:23px}.sw2-faq-layout h2 br{display:none}.sw2-faq-note{max-width:none;font-size:16px;margin-top:12px!important}.sw2-faq summary{font-size:16px;min-height:64px;gap:20px}.sw2-faq details>p{font-size:16px;line-height:1.85;padding:0 0 20px}.sw2-contact{padding:28px 0}.sw2-contact>.sw2-wrap{display:block}.sw2-contact h2{font-size:27px}.sw2-contact p:not(.sw2-eyebrow){font-size:16px;line-height:1.85}.sw2-contact>.sw2-wrap>div:last-child{margin-top:20px}.sw2-contact .sw2-text-link{font-size:13px}}
@media(max-width:374px){.sw2-wrap{padding:0 18px}.sw2 h1{font-size:32px}.sw2-actions{gap:8px 15px}.sw2-index nav{gap:0 15px}.sw2-hero-points{gap:6px 12px;font-size:10px}}
@media(prefers-reduced-motion:reduce){html:has(.sw2){scroll-behavior:auto}.sw2 *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}