:root{--navy:#082343;--ink:#112e4d;--blue:#1677ff;--cyan:#6adeff;--muted:#64768b;--line:#dfe7ef;--soft:#f3f7fb;--wrap:1200px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.7;background:#fff}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid #3fa9ff;outline-offset:5px}button:disabled{cursor:default}h1,h2,h3,p{margin:0}h1,h2,h3{line-height:1.35}h2{font-size:clamp(29px,3vw,39px);font-weight:650;letter-spacing:-.8px}.wrap{width:min(var(--wrap),calc(100% - 80px));margin-inline:auto}.skip{position:fixed;top:-80px;left:20px;background:#fff;padding:10px;z-index:1000}.skip:focus{top:12px}.preview-note{background:#eaf2fa;color:#5e7186;font-size:11px}.preview-note .wrap{display:flex;justify-content:space-between;gap:16px;align-items:center;min-height:33px}.preview-note i{display:inline-block;width:5px;height:5px;background:var(--blue);border-radius:50%;margin-right:7px}.site-header{height:90px;background:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(225,234,244,.85)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.brand{display:flex;align-items:center;gap:11px}.brand-mark{width:37px;height:43px;color:var(--blue)}.brand strong{display:block;font-size:25px;letter-spacing:3px;line-height:1.2;font-weight:750}.brand small{display:block;font-size:8px;letter-spacing:2px;margin-top:6px;color:#6d8197}.site-header nav{display:flex;align-items:center;gap:32px;font-size:14px;font-weight:550}.site-header nav a:hover{color:var(--blue)}.site-header .nav-contact{color:var(--blue);border-left:1px solid var(--line);padding-left:28px}.nav-contact 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.button{font-size:12px;padding:12px 19px}
@media(min-width:1500px){:root{--wrap:1260px}.hero-inner{min-height:620px;gap:70px}.hero h1{font-size:64px}}
@media(max-width:1100px){.wrap{width:calc(100% - 56px)}.site-header nav{gap:21px;font-size:12px}.services-layout{gap:50px;grid-template-columns:.85fr 1.15fr}.hero-inner{gap:25px}.hero h1{font-size:47px}.hero .eyebrow{font-size:8px;letter-spacing:1.6px}.section-heading h2{font-size:31px}.section-intro{max-width:390px}.services-copy h2{font-size:31px}.product-card{padding:23px 20px}.product-card h3{font-size:17px}.scenario-panel{grid-template-columns:290px 1fr}.scenario-content{padding:32px}.steps{gap:25px}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.preview-note .wrap{justify-content:center;min-height:31px;font-size:10px}.preview-note .wrap>span:last-child{display:none}.site-header{height:74px}.brand strong{font-size:22px}.brand-mark{width:30px;height:35px}.brand small{font-size:7px;letter-spacing:1.6px}.menu-toggle{display:flex;flex-direction:column;gap:5px;border:0;background:none;padding:12px 0 12px 15px}.menu-toggle span{width:22px;height:2px;background:var(--ink);transition:transform .2s}.site-header nav{display:none;position:absolute;left:0;right:0;top:74px;background:#fff;border-top:1px solid var(--line);box-shadow:0 15px 20px #08234312;padding:14px 25px 22px;align-items:stretch;gap:0;flex-direction:column;font-size:14px}.site-header nav.open{display:flex}.site-header nav>a{padding:11px 0}.site-header .nav-contact{border:none;padding:11px 0}.hero-inner{grid-template-columns:1fr;gap:35px;padding-block:47px 32px;min-height:0}.hero h1{font-size:46px;line-height:1.3;letter-spacing:-1px}.hero .eyebrow{font-size:8px;letter-spacing:1.3px;margin-bottom:20px}.hero-description{font-size:14px;line-height:1.85;margin-top:23px}.hero-actions{margin-top:26px}.hero-caption{font-size:9px;margin-top:22px}.button{font-size:12px;padding:12px 18px;gap:20px}.architecture{width:100%;max-width:520px;margin-inline:auto;padding:18px 14px 12px}.diagram-heading{font-size:12px}.architecture svg{max-height:290px}.hero-bottom{gap:12px;justify-content:space-between;font-size:10px;padding-block:17px}.hero-bottom i{width:14px}.hero-bottom a{display:none}.section{padding-block:58px}.section-heading{display:block;margin-bottom:27px}.section-heading h2{font-size:29px}.eyebrow{font-size:9px;margin-bottom:15px}.section-intro{font-size:12px;max-width:none;margin-top:19px}.preview-context{font-size:10px;line-height:1.8}.product-filters{gap:0;justify-content:space-between;overflow:auto;white-space:nowrap}.product-filters button{font-size:11px;padding-bottom:13px}.product-filters button span{display:none}.product-grid{grid-template-columns:repeat(2,1fr);gap:12px}.product-card{padding:23px 20px;min-height:235px}.product-card h3{font-size:17px}.catalog-note{font-size:10px;line-height:1.9}.services-layout{grid-template-columns:1fr;gap:35px}.services-copy h2{font-size:30px}.services-copy h2 br:nth-of-type(2){display:none}.services-copy>p:not(.eyebrow){font-size:12px;margin-top:17px}.service-principle{margin-top:24px}.service-list summary{padding:22px 19px;gap:17px}.service-list summary strong{font-size:16px}.service-detail{padding:0 22px 23px 49px}.service-list summary small{font-size:10px}.scenarios-section .section-heading h2{font-size:29px}.scenario-panel{grid-template-columns:1fr}.scenario-tabs{flex-direction:row;padding:10px;gap:7px}.scenario-tabs button{flex:1;justify-content:center;gap:8px;padding:14px 5px;font-size:11px;white-space:nowrap}.scenario-tabs button>span{display:none}.scenario-tabs button>b{display:none}.scenario-content{min-height:290px;padding:29px 25px}.scenario-content h3{font-size:23px}.scenario-content ul{gap:13px;margin-top:21px;font-size:10px}.approach-section{padding-top:0}.approach-heading{display:block}.approach-heading h2{font-size:29px}.approach-heading>p{margin-top:14px;font-size:12px}.steps{grid-template-columns:repeat(2,1fr);gap:30px 22px;margin-top:32px}.steps>li>span{font-size:24px}.steps h3{font-size:16px;margin-block:11px}.steps p{font-size:11px}.steps small{font-size:9px;margin-top:13px}.faq-layout{grid-template-columns:1fr;gap:23px}.faq-layout h2{font-size:27px}.faq-layout h2 br{display:none}.faq-section{padding-block:45px 48px}.faq-list summary{font-size:12px;gap:15px}.faq-list p{font-size:11px}.contact-section{padding-block:39px}.contact-inner{align-items:flex-start;flex-direction:column;gap:24px}.contact-inner h2{font-size:29px}.contact-inner p:not(.eyebrow){font-size:11px;max-width:520px}.contact-inner .eyebrow{font-size:9px}.contact-actions{width:100%}.contact-actions .button{min-width:205px}.footer-top{flex-wrap:wrap;gap:28px 30px;padding-block:35px 28px}.footer-brand{width:calc(50% - 15px)}.footer-links{font-size:10px;grid-template-columns:1fr;gap:8px;align-content:start}.footer-domain{width:100%;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:baseline;gap:7px 13px}.footer-domain p{width:100%;margin-top:0}.footer-domain strong{font-size:16px}.footer-bottom{flex-direction:column;gap:4px;padding-block:16px;line-height:1.8;font-size:9px}dialog{padding:32px 24px}dialog h2{font-size:23px}}
@media(max-width:420px){.hero h1{font-size:40px}.hero .eyebrow{font-size:7px;letter-spacing:1px}.hero-actions{gap:10px}.hero-actions .button{padding:12px 13px;gap:12px;font-size:11px}.product-grid{grid-template-columns:1fr}.product-card{min-height:216px;padding:25px}.product-card p{min-height:0}.product-card h3{font-size:19px}.architecture{padding:15px 8px 11px}.diagram-footer{font-size:8px}.scenario-tabs button{font-size:10px}.services-copy h2{font-size:28px}.preview-note .wrap{font-size:9px}.hero-bottom{gap:6px;font-size:9px}.hero-bottom i{width:10px}.steps{gap:28px 17px}.steps small{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
.contact-label{display:block;color:#d5e7ff;font-size:12px;letter-spacing:.7px;margin-bottom:8px}
.rental-section{background:#f1f6fc;border-block:1px solid #e0eaf5;padding:55px 0 60px}.rental-inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:65px;align-items:center}.rental-heading h2{font-size:32px}.rental-heading>p:not(.eyebrow){font-size:12px;color:var(--muted);margin-top:17px;line-height:1.9}.rental-heading .text-link{display:inline-flex;margin-top:20px}.rental-options{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.rental-options article{border-top:2px solid #a8cfff;padding-top:19px}.rental-options article>span{font-size:10px;color:var(--blue);letter-spacing:1px}.rental-options h3{font-size:17px;margin:15px 0 12px}.rental-options p{font-size:12px;color:var(--muted);line-height:1.9}.service-detail>.service-items{display:grid;grid-template-columns:1fr;gap:18px;margin-top:2px}.service-items article+article{border-top:1px solid #e7edf5;padding-top:16px}.service-items h4{font-size:13px;margin:0 0 5px;font-weight:650}.service-items small{display:block;font-size:10px;color:#8797a8;margin-top:6px;line-height:1.7}@media(max-width:900px){.rental-inner{grid-template-columns:1fr;gap:28px}.rental-heading h2 br{display:none}.rental-options{gap:26px}}@media(max-width:600px){.rental-section{padding:38px 0}.rental-heading h2{font-size:27px}.rental-options{grid-template-columns:1fr;gap:22px}.rental-options article{padding-top:12px}.rental-options h3{margin:8px 0;font-size:16px}.rental-options p{font-size:11px}.service-items h4{font-size:12px}.service-items small{font-size:9px}.service-list summary small{white-space:normal;line-height:1.8}}