@import url('https://fonts.googleapis.cn/css2?family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@600;700;900&display=swap');
:root{--bg:#f4f8fc;--surface:#fff;--ink:#102338;--muted:#5b6b7e;--primary:#075da8;--primary-dark:#06477d;--accent:#008fb3;--line:#dce7f0;--soft:#eaf4fb;--warning:#8a5a11;--radius:16px;--shadow:0 16px 44px rgba(16,35,56,.08);--container:1200px;--header:76px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--bg);font-family:"Noto Sans SC",sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;inset:0;z-index:-1;background-image:linear-gradient(rgba(7,93,168,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(7,93,168,.035) 1px,transparent 1px);background-size:34px 34px;mask-image:linear-gradient(to bottom,#000,transparent 75%)}a{color:inherit;text-decoration:none}button{font:inherit}img{max-width:100%;height:auto}.container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}.narrow{max-width:820px}.skip-link{position:fixed;left:12px;top:-80px;z-index:100;padding:10px 16px;background:var(--ink);color:#fff}.skip-link:focus{top:12px}.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}.icon{width:22px;height:22px;flex:none}.site-header{height:var(--header);position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.header-inner{height:100%;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:11px;min-width:240px}.brand img{border-radius:11px}.brand span{display:grid;line-height:1.35}.brand strong{font-size:15px}.brand small{color:var(--primary);letter-spacing:.12em}.site-nav{display:flex;align-items:center;justify-content:center;gap:3px;flex:1}.site-nav a{padding:10px 9px;font-size:14px;color:#34495e;border-radius:8px;transition:.2s}.site-nav a:hover,.site-nav 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.22s}.product-card:hover{border-color:#a9c8df;box-shadow:var(--shadow);transform:translateY(-3px)}.product-card-link{display:flex;flex-direction:column;height:100%}.product-card-cover{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--soft)}.product-card-visual{min-height:184px;padding:24px;background:linear-gradient(135deg,var(--soft),#fff);border-bottom:1px solid var(--line);display:grid;align-content:space-between;gap:34px}.product-card-visual span{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--primary);color:#fff;font-weight:700;border:6px solid #fff}.product-card-visual b{font-family:"Noto Serif SC",serif;font-size:23px;line-height:1.35;color:var(--ink)}.product-card-body{display:flex;flex:1;flex-direction:column;padding:22px}.product-card-body h2{margin:0 0 10px;font-size:20px;line-height:1.35}.product-card-body p{margin:0 0 18px;color:var(--muted)}.product-card-body 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@media(max-width:820px){.news-grid{grid-template-columns:repeat(2,1fr)}.latest-item{grid-template-columns:42px 1fr}.latest-item>.icon{display:none}}
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@media(max-width:1050px) and (min-width:901px){.formula-bar{grid-template-columns:repeat(5,minmax(0,1fr)) repeat(5,auto) minmax(0,1fr);gap:8px}.formula-chip{padding:14px}.formula-chip span{font-size:16px}.formula-chip p{font-size:12px}.formula-bar>b{font-size:20px}.solution-toolbox{grid-template-columns:1fr}.solution-search{max-width:700px}}
@media(max-width:900px){.timeline:before{left:20px;transform:none}.timeline-item,.timeline-reverse{grid-template-columns:40px 1fr;grid-template-areas:"line body";gap:18px;margin-bottom:28px}.timeline-item:before{width:16px;height:16px;box-shadow:0 0 0 6px var(--surface),0 0 0 7px #9fc6df}.timeline-cover{grid-area:body;margin-top:10px;order:3}.timeline-body h3{font-size:18px}.timeline-footnote{padding:14px 16px}}
@media(max-width:900px) and (min-width:581px){.formula-bar{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.formula-bar>b{display:none}}
@media(max-width:820px){.solution-route{grid-template-columns:1fr;row-gap:12px}.solution-route:before{left:23px;right:auto;top:20px;bottom:20px;width:1px;height:auto}}
@media(max-width:1050px){.header-contact{display:none}.site-nav a{padding-inline:6px}.grid-4{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.hero-grid{gap:34px}.product-hero-grid{grid-template-columns:1fr;gap:28px}.product-layout{grid-template-columns:1fr}.product-aside{position:static}}
@media(max-width:820px){:root{--header:68px}.container{width:min(calc(100% - 28px),var(--container))}.menu-toggle{display:grid;margin-left:auto}.menu-toggle[aria-expanded=true] .menu-open{display:none}.menu-toggle[aria-expanded=true] .menu-close{display:block}.site-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;padding:14px 20px 24px;border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr}.site-nav.is-open{display:grid}.site-nav a{padding:12px}.hero{padding-top:48px}.hero-grid,.price-panel{grid-template-columns:1fr}.hero-board{margin-top:12px}.grid-3,.article-grid,.product-grid{grid-template-columns:repeat(2,1fr)}.route-line{grid-template-columns:1fr;gap:12px}.route-line:before{left:23px;top:20px;bottom:20px;width:1px;height:auto}.route-item{display:grid;grid-template-columns:46px 1fr;text-align:left;gap:15px;align-items:start}.route-item h3{margin:2px 0}.floating-contact{display:none}.mobile-contact-bar{position:fixed;z-index:45;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(3,1fr);background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-contact-bar a,.mobile-contact-bar button{min-height:60px;border:0;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--primary);font-size:12px}.site-footer{padding-bottom:90px}}
@media(max-width:580px){.formula-bar{grid-template-columns:1fr;gap:12px}.formula-bar>b{display:none}.formula-chip{padding:18px}.solution-formula-section .section-head h2{white-space:normal;font-size:clamp(27px,8vw,36px)}.solution-search input,.solution-search .button{width:100%}.solution-toolbox{padding-top:0}.brand{min-width:0}.brand strong{font-size:13px}.brand small{display:none}.brand img{width:42px;height:42px}.hero h1,.page-hero h1{font-size:36px}.lead{font-size:16px}.section{padding:58px 0}.grid-2,.grid-3,.grid-4,.article-grid,.product-grid,.trust-grid{grid-template-columns:1fr}.trust-grid div{border-right:0;border-bottom:1px solid var(--line)}.actions .button{width:100%}.price-panel{padding:28px}.footer-grid{grid-template-columns:1fr}.footer-bottom{display:grid}.legal h1{font-size:34px}.case-facts{grid-template-columns:1fr}.product-body{padding:22px 18px}.article-body h2,.article-body h3{font-size:20px;line-height:1.45}.article-body p{font-size:16px;line-height:1.8}.article-body img{width:100%;height:auto}.article-body table{font-size:14px}}
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