:root{--white:#fff;--paper:#f6f8fb;--ink:#172d46;--body:#536579;--blue:#265abd;--silver:#c6cfd6;--line:#dce3e9;--steel:#e9eef2;--wrap:1248px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:102px}body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);background:var(--white);font-size:15px;line-height:1.75;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}img{display:block;max-width:100%}h1,h2,h3,p,figure{margin:0}svg{flex-shrink:0}a:focus-visible,button:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:5px}[hidden]{display:none!important}.wrap{width:calc(100% - 112px);max-width:var(--wrap);margin:0 auto}.skip-link{position:fixed;top:-80px;left:20px;background:var(--ink);color:white;padding:10px 20px;z-index:100}.skip-link:focus{top:10px}
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.section{padding-top:92px;padding-bottom:90px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:36px}.section-kicker{color:var(--blue);font-size:13px;margin-bottom:14px}h2{font-size:clamp(26px,2.6vw,36px);font-weight:600;line-height:1.5;letter-spacing:-.7px}.section-heading>p{color:var(--body);font-size:13px;line-height:1.85;max-width:380px}h3{font-size:23px;font-weight:600;line-height:1.5}.product-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}.product-tabs button{color:var(--body);background:none;border:0;border-bottom:3px solid transparent;padding:20px 16px 19px;text-align:left;font-weight:500;font-size:18px}.product-tabs button span{display:block;font-size:11px;font-weight:400;margin-top:5px}.product-tabs button[aria-selected=true]{color:var(--blue);border-color:var(--blue);background:var(--paper)}.product-tabs button:hover{background:var(--paper)}.product-panel{display:grid;grid-template-columns:45% 55%;min-height:398px;border:1px solid var(--line);border-top:0}.product-drawing{position:relative;display:flex;align-items:center;justify-content:center;background:#edf1f5;padding:32px 20px 38px;overflow:hidden}.product-drawing:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#dce3e94d 1px,transparent 1px),linear-gradient(90deg,#dce3e94d 1px,transparent 1px);background-size:28px 28px}.product-drawing svg{position:relative;display:block;width:100%;max-width:350px;height:290px}.product-drawing #product-visual{width:100%;position:relative}.drawing-caption{position:absolute;bottom:16px;left:24px;color:#61758b;font-size:10px}.product-copy{padding:38px 48px}.product-use{font-size:12px;color:var(--body);margin-bottom:8px}.product-copy h3{font-size:28px;margin-bottom:14px}.product-copy>p:not(.product-use){font-size:14px;color:var(--body);max-width:440px}.product-specs{margin:23px 0}.product-specs>div{display:grid;grid-template-columns:80px 1fr;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px}.product-specs dt{font-weight:500}.product-specs dd{margin:0;color:var(--body)}.text-link{display:inline-flex;align-items:center;gap:20px;font-size:13px;color:var(--blue)}.text-link svg{width:20px;height:20px}.product-note{font-size:11px;color:var(--body);margin-top:14px}
.scenarios-section{background:var(--paper)}.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr)}.scenario{padding:18px 27px 8px;border-left:1px solid var(--line)}.scenario:first-child{padding-left:0;border:0}.scenario:last-child{padding-right:0}.scenario>svg{width:54px;height:54px;color:#688095;margin-bottom:21px}.scenario h3{font-size:19px;margin-bottom:12px}.scenario p{font-size:13px;color:var(--body);line-height:1.85;max-width:255px}.scenario>span{display:block;font-size:10px;color:#5d7387;margin-top:24px}.service-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;list-style:none;padding:0;margin:40px 0 0}.service-steps li{position:relative;padding-top:21px;border-top:2px solid var(--line)}.service-steps li:before{content:"";width:8px;height:8px;position:absolute;left:0;top:-5px;background:var(--blue);border:2px solid white;border-radius:50%}.step-number{display:block;color:#70869a;font-size:13px;margin-bottom:17px}.service-steps h3{font-size:19px;margin-bottom:10px}.service-steps p{color:var(--body);font-size:13px;line-height:1.9}
.about-section{background:var(--ink);color:white}.about-inner{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding-top:70px;padding-bottom:68px}.about-title .section-kicker{color:#a9c5eb}.about-title h2{font-size:34px;line-height:1.65}.about-copy>p{color:#c8d4df;font-size:14px;margin:0 0 18px}.about-oa{display:flex;align-items:center;justify-content:space-between;margin-top:28px;padding:17px 20px;background:#263e58;border:1px solid #486078;border-radius:4px}.about-oa b{font-size:16px;font-weight:500}.about-oa small{display:block;color:#bdcddc;font-size:11px;margin-top:3px}.about-oa svg{width:24px;height:24px}.about-oa:hover{background:#2b4867}
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.contact-block{margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}.contact-label{font-size:12px;color:var(--blue);margin-bottom:6px}.contact-phone{display:inline-block;font-size:24px;line-height:1.35;font-weight:600;letter-spacing:.2px;color:var(--ink)}.contact-phone:hover{color:var(--blue)}.contact-block address{margin-top:6px;color:var(--body);font-size:13px;font-style:normal;line-height:1.8}.site-footer{background:var(--paper);border-top:1px solid var(--line)}.footer-top{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:37px 0}.footer-brand .wordmark{font-size:28px}.footer-contact{display:flex;flex-direction:column;gap:3px;max-width:410px;font-size:12px;line-height:1.65}.footer-contact a{font-size:16px;font-weight:600;color:var(--ink)}.footer-contact a:hover{color:var(--blue)}.footer-contact span{color:var(--body)}.footer-top>a:last-child{font-size:12px}.footer-bottom{border-top:1px solid var(--line);display:flex;gap:28px;align-items:center;padding:22px 0;color:var(--body);font-size:11px}.footer-bottom>a:last-child{margin-left:auto}.footer-bottom a:hover{text-decoration:underline}.credits-page{max-width:800px;padding:70px 24px;margin:auto}.credits-page h1{font-size:36px;margin-bottom:30px}.credits-page h2{font-size:22px;margin:30px 0 12px}.credits-page p{margin:12px 0}.credits-page a{color:var(--blue);text-decoration:underline}.credits-page ul{padding-left:24px}
@media(min-width:1450px){.hero-photo{margin-right:calc((1248px - 100vw)/2)}.hero-photo img{object-position:50% 43%}.hero-copy{padding-top:78px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.header-inner{gap:20px;height:80px}.main-nav{gap:22px;margin-right:0;font-size:12px}.hero-inner{grid-template-columns:49% 51%;min-height:570px}.hero-copy{padding-top:58px}.hero-photo{margin-right:-32px}.hero-photo img{height:570px}.hero-copy>p{font-size:14px}.hero-actions .button{font-size:12px;padding:12px 17px}.hero-bottom{margin-top:40px}.service-strip div{gap:30px}.product-copy{padding:30px}.section-heading>p{font-size:12px}.about-inner{gap:50px}.needs-copy{padding-right:50px}.scenario{padding-left:20px;padding-right:20px}}
@media(max-width:800px){html{scroll-padding-top:88px}.wrap{width:calc(100% - 40px)}.header-inner{height:72px}.wordmark{font-size:25px}.brand-sub{font-size:8px}.brand-icon{width:25px;height:30px;object-fit:contain}.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:0;right:0;top:72px;padding:12px 20px 20px;background:white;border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;gap:0;font-size:14px}.main-nav.open{display:grid}.main-nav a{padding:13px 8px}.oa-link{padding:7px 11px;font-size:11px}.header-actions{gap:6px}.hero-inner{grid-template-columns:1fr 1fr;min-height:510px}.hero-copy{padding-top:47px;padding-right:15px;padding-bottom:30px}h1{font-size:32px;letter-spacing:-1.2px}.hero-intro{font-size:10px;margin-bottom:21px;gap:7px}.hero-copy>p{font-size:12px;line-height:1.9;margin-top:21px}.hero-actions{gap:8px;margin-top:26px;flex-wrap:wrap}.hero-actions .button{padding:10px 13px;font-size:11px;min-height:41px}.hero-photo{margin-right:-20px}.hero-photo img{height:510px}.hero-photo figcaption{font-size:9px;padding:12px 14px;flex-wrap:wrap;gap:3px}.hero-bottom{margin-top:35px;font-size:10px}.service-strip{font-size:11px;padding:20px 0}.service-strip div{gap:20px}.section{padding-top:65px;padding-bottom:65px}.section-heading{align-items:flex-start;gap:20px;margin-bottom:28px}.section-heading>p{font-size:11px;max-width:220px}.section-kicker{font-size:11px;margin-bottom:10px}h2{font-size:26px}.product-tabs button{font-size:15px;padding:15px 11px}.product-tabs button span{font-size:9px}.product-panel{grid-template-columns:40% 60%}.product-copy{padding:25px}.product-copy h3{font-size:24px}.product-copy>p:not(.product-use){font-size:12px}.product-specs>div{font-size:11px;grid-template-columns:56px 1fr;gap:10px}.product-drawing{padding:16px 10px}.product-drawing svg{height:260px}.scenario-grid{grid-template-columns:1fr 1fr;row-gap:34px}.scenario:nth-child(3){border:0;padding-left:0}.scenario:nth-child(2){padding-right:0}.scenario p{max-width:300px}.service-steps{gap:22px}.service-steps h3{font-size:16px}.service-steps p{font-size:12px}.about-inner{gap:40px;padding-top:55px;padding-bottom:55px}.about-title h2{font-size:27px}.about-copy>p{font-size:12px}.needs-section{grid-template-columns:33% 67%}.needs-copy{padding-right:25px}.needs-copy h2{font-size:24px}.needs-copy>p:not(.section-kicker){font-size:12px}.needs-form{padding:23px}.form-bottom{align-items:flex-start}.form-bottom>span{max-width:150px}.footer-contact{max-width:260px}.footer-contact span{font-size:10px}.footer-bottom{font-size:10px;gap:16px}}
@media(max-width:560px){.hero-inner{display:flex;flex-direction:column}.hero-copy{padding:36px 0 28px}.hero-intro{font-size:11px;margin-bottom:18px}h1{font-size:38px;letter-spacing:-1.5px;line-height:1.35}.hero-copy>p{font-size:13px;margin-top:20px}.hero-actions{margin-top:24px}.hero-actions .button{font-size:12px;padding:11px 17px}.hero-bottom{display:none}.hero-photo{margin:0 -20px}.hero-photo:before{left:20px;top:-7px;width:50px;height:7px}.hero-photo img{height:330px;object-position:50% 48%}.hero-photo figcaption{flex-wrap:nowrap;font-size:10px;padding:13px 20px}.service-strip{display:block;padding:22px 0}.service-strip>span{font-size:10px}.service-strip div{justify-content:space-between;margin-top:12px;gap:10px;font-size:12px}.section-heading{display:block}.section-heading>p{margin-top:15px;max-width:none;font-size:12px}.section-heading>p br{display:none}h2{font-size:26px}.product-tabs button{font-size:13px;text-align:center;padding:13px 3px}.product-tabs button span{display:none}.product-panel{grid-template-columns:1fr}.product-drawing{height:280px}.product-drawing svg{height:242px}.product-copy{padding:27px 22px 29px}.product-copy h3{font-size:25px}.product-copy>p:not(.product-use){font-size:13px}.product-specs>div{font-size:12px;grid-template-columns:66px 1fr}.product-note{font-size:10px}.scenario{padding:0 15px}.scenario>svg{width:45px;height:45px;margin-bottom:14px}.scenario h3{font-size:16px}.scenario p{font-size:12px}.scenario>span{font-size:9px;margin-top:16px}.service-steps{grid-template-columns:1fr 1fr;gap:32px 24px}.service-steps p{font-size:12px}.about-inner{grid-template-columns:1fr;gap:25px}.about-title h2{font-size:29px}.about-copy>p{font-size:13px}.needs-section{grid-template-columns:1fr;gap:28px}.needs-copy{padding:0}.needs-copy h2{font-size:28px;margin-bottom:17px}.needs-copy h2 br{display:none}.needs-copy>p:not(.section-kicker){font-size:13px}.needs-copy .needs-hint{margin-top:12px}.needs-form{padding:20px}.form-row{gap:13px}.form-bottom{flex-direction:column;align-items:stretch;gap:13px}.form-bottom>span{max-width:none}.form-bottom .button{align-self:flex-start}.footer-top{flex-wrap:wrap;gap:23px;padding:30px 0}.footer-contact{order:3;width:100%;max-width:none}.footer-contact a{font-size:17px}.footer-contact span{font-size:11px}.footer-top>a:last-child{margin-left:auto}.footer-bottom{flex-wrap:wrap;gap:10px 18px}.footer-bottom>a:last-child{margin-left:0}.footer-bottom>span{width:100%}.section{padding-top:52px;padding-bottom:52px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.app-link{display:flex;align-items:center;padding:9px 15px;color:var(--blue);font-size:13px;border:1px solid #cdd9ef;border-radius:4px}.app-link:hover{background:#eef3ff;border-color:var(--blue)}.about-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.about-actions .about-oa{margin-top:28px}.about-download{background:#1d5db6;border-color:#507ec7}.footer-links{display:flex;gap:20px;font-size:12px}.footer-links a:hover{color:var(--blue)}.utility-main{padding-top:92px;padding-bottom:100px;max-width:940px}.utility-main h1{font-size:clamp(38px,5vw,58px);line-height:1.25;margin-bottom:18px}.utility-lead{color:var(--body);font-size:17px;max-width:620px;margin-bottom:40px}.download-card{display:grid;grid-template-columns:180px 1fr;gap:34px;padding:30px;background:var(--paper);border:1px solid var(--line);border-radius:8px}.download-icon{display:grid;place-items:center;align-self:start;width:180px;height:180px;background:var(--ink);border-radius:28px;overflow:hidden}.download-icon img{width:100%;height:100%;object-fit:contain}.download-copy .eyebrow{font-size:11px;color:var(--blue);letter-spacing:.12em}.download-copy h2{margin:3px 0 8px;font-size:28px}.download-copy>p:not(.eyebrow):not(.download-note){color:var(--body);font-size:13px}.download-meta{display:flex;gap:24px;margin:20px 0;color:#738397;font-size:12px}.download-button{margin-top:4px}.download-note{color:#7a899a;font-size:11px;line-height:1.7;margin-top:13px}.utility-section{margin-top:65px}.utility-section h2,.utility-article h2{font-size:25px;margin:0 0 24px}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:0;margin:0}.steps li{padding:20px;border-top:2px solid var(--blue);background:#fbfcfd}.steps b,.steps span{display:block}.steps b{font-size:14px}.steps span{font-size:12px;color:var(--body);line-height:1.7;margin-top:8px}.notice{margin-top:26px;padding:18px 20px;border-left:3px solid #e3a52f;background:#fff8e9}.notice strong{font-size:13px}.notice p{font-size:12px;line-height:1.8;color:#6f6a5d;margin:5px 0 0}.utility-links{display:flex;gap:24px;margin-top:34px;font-size:12px}.utility-links a{color:var(--blue)}.utility-links a:hover{text-decoration:underline}.utility-article{max-width:820px}.utility-article h1{margin-bottom:7px}.utility-meta{font-size:12px;color:#8795a5;margin-bottom:38px}.utility-article p,.utility-article li{font-size:14px;line-height:2;color:var(--body)}.utility-article h2{margin-top:36px;margin-bottom:8px}.utility-article ul{padding-left:22px}.utility-article a{color:var(--blue)}
@media(max-width:700px){.app-link{padding:7px 9px;font-size:11px}.header-actions{gap:5px}.download-card{grid-template-columns:1fr;padding:22px;gap:20px}.download-icon{width:110px;height:110px;border-radius:20px}.download-icon img{width:100%;height:100%}.download-meta{gap:15px;flex-wrap:wrap}.steps{grid-template-columns:1fr}.utility-main{padding-top:60px;padding-bottom:70px}.utility-lead{font-size:15px}.about-actions{grid-template-columns:1fr}.about-actions .about-oa{margin-top:16px}.footer-links{width:100%;justify-content:space-between}.utility-article p,.utility-article li{font-size:13px}}

.download-button:disabled{opacity:.55;cursor:default}@media(max-width:450px){.header-inner{gap:8px}.brand{gap:7px}.wordmark{font-size:21px}.brand-sub{letter-spacing:.5px}.oa-link svg{display:none}.menu-toggle{padding:5px}.app-link{padding:7px 6px}.oa-link{padding:7px 6px}}