:root{--ink:#102f48;--text:#536b7c;--blue:#1769de;--pale:#f3f7fa;--line:#dce6ed;--cyan:#88dce7;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;color:var(--ink);background:#fff;font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;font-size:15px;line-height:1.75}a{color:inherit;text-decoration:none}button{font:inherit}a,button{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #e7a933;outline-offset:5px}::selection{background:#bfe3ff;color:var(--ink)}.container{width:min(1240px,calc(100% - 96px));margin-inline:auto}.header{position:sticky;top:0;background:rgba(255,255,255,.97);z-index:20;border-bottom:1px solid 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1fr;align-items:center;gap:55px;padding-top:86px;padding-bottom:64px}.hero .eyebrow{display:flex;align-items:center;gap:10px;letter-spacing:2px}.status-dot{width:7px;height:7px;background:var(--blue);border-radius:50%;box-shadow:0 0 0 4px #1769de12}.hero h1{font-size:clamp(40px,4.15vw,62px);line-height:1.3;letter-spacing:-1.5px;font-weight:750;margin:0 0 26px}.hero h1>span{color:var(--blue)}.hero-description{font-size:16px;line-height:1.95;color:var(--text);margin:0 0 32px}.hero-actions{display:flex;align-items:center;gap:28px}.button{display:inline-flex;align-items:center;justify-content:center;gap:27px;border-radius:5px;padding:13px 22px;font-size:14px;font-weight:600;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button-blue{color:white;background:var(--blue);box-shadow:0 6px 15px 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@media(min-width:1500px){.hero-grid{padding-top:105px;padding-bottom:85px}}
@media(max-width:1100px){.container{width:calc(100% - 64px)}.hero-grid{gap:30px;padding-top:65px}.hero h1{font-size:44px}.hero-description{font-size:14px}.hero-actions{gap:20px}.node{padding:7px 9px;gap:6px;font-size:10px}.node-icon{width:21px;height:21px}.ai-core{width:120px;height:120px}.ai-core strong{font-size:40px}.core-caption{font-size:7px}.core-bottom{font-size:8px}.visual-top,.visual-bottom{padding:17px;font-size:9px}.visual-tag{font-size:9px}.service-card{padding-inline:22px}.card-top .mono{font-size:8px}.solutions-grid{gap:60px}.principles{gap:22px;padding:26px}.contact-grid{gap:45px}.contact-card{padding-left:30px}.email{font-size:20px}}
@media(max-width:800px){.container{width:calc(100% - 40px)}.header-inner{height:72px}.brand>span{font-size:19px}.brand img{width:34px;height:34px}nav{gap:22px}nav>a{font-size:12px}nav .nav-contact{padding:7px 12px;gap:12px}.hero-grid{gap:25px;padding-top:50px;padding-bottom:40px;grid-template-columns:1fr 1fr}.hero h1{font-size:35px}.hero .eyebrow{font-size:9px;letter-spacing:1px}.hero-description{font-size:12px}.hero-actions{gap:17px;flex-wrap:wrap}.button{padding:11px 17px;font-size:12px;gap:15px}.text-link{font-size:12px}.hero-topics{gap:9px;font-size:10px;margin-top:25px}.hero-topics span+span:before{margin-right:9px}.visual-tag{display:none}.visual-top,.visual-bottom{padding:13px}.visual-bottom{font-size:8px}.visual-bottom .mono{display:none}.ai-core{width:100px;height:100px}.ai-core strong{font-size:33px}.core-caption{font-size:6px;letter-spacing:1px}.core-bottom{font-size:7px}.node{font-size:9px;padding:6px}.node-icon{display:none}.node small{font-size:6px}.hero-bottom{font-size:10px}.section{padding:70px 0}h2{font-size:29px}.section-intro{font-size:12px}.section-heading{gap:25px;margin-bottom:32px}.service-grid{gap:13px}.service-card{padding:22px 17px 0}.service-card.featured{padding-top:20px}.card-top{margin-bottom:22px}.card-top .mono{letter-spacing:0;font-size:7px}.service-icon{width:32px;height:32px;font-size:22px}.service-card h3{font-size:17px}.service-card p,.service-card ul{font-size:12px}.card-footer{font-size:10px}.solutions-grid{gap:42px;grid-template-columns:.8fr 1.2fr}.scenario{gap:16px}.scenario h3{font-size:17px}.solutions-intro>p:not(.eyebrow),.scenario p{font-size:12px}.process{gap:23px}.principles{grid-template-columns:1fr 1fr;gap:25px}.process h3{font-size:17px}.process p{font-size:12px}.contact-grid{gap:30px}.contact-section h2{font-size:29px}.contact-card{padding-left:24px}.email{font-size:17px;gap:5px}.contact-section p{font-size:12px}.contact-actions{gap:15px}.footer-top{gap:22px}.footer-bottom{flex-wrap:wrap}.footer-bottom>span:last-child{display:none}}
@media(max-width:600px){html{scroll-padding-top:76px}.container{width:calc(100% - 40px)}.header-inner{height:70px}.brand>span{font-size:19px}.brand small{font-size:8px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:6px;width:40px;height:40px;padding:9px;border:1px solid var(--line);border-radius:5px;background:white;cursor:pointer}.menu-toggle span{width:20px;height:1.5px;background:var(--ink)}nav{display:none;position:absolute;left:0;right:0;top:70px;background:white;padding:20px;box-shadow:0 12px 20px #163b5310;border-bottom:1px solid var(--line)}nav.is-open{display:flex;flex-direction:column;align-items:stretch;gap:0}nav>a{font-size:14px;padding:13px 10px}nav .nav-contact{margin-top:10px;padding:12px;justify-content:space-between}.hero-grid{display:flex;flex-direction:column;align-items:stretch;gap:40px;padding-top:45px;padding-bottom:33px}.hero h1{font-size:clamp(35px,9.5vw,49px);letter-spacing:-1px;margin-bottom:22px}.hero .eyebrow{font-size:9px;margin-bottom:23px}.hero-description{font-size:14px;line-height:1.85;margin-bottom:26px}.hero-actions{gap:25px}.hero-actions .button{font-size:13px;padding:12px 18px}.hero-topics{margin-top:27px;font-size:11px}.system-visual{width:100%;max-width:470px;align-self:center;transform:none}.visual-top,.visual-bottom{padding:14px 18px}.visual-top .mono{font-size:9px}.visual-tag{display:block;font-size:9px}.visual-bottom{font-size:9px}.visual-bottom .mono{display:block}.node{padding:8px 9px;font-size:11px}.node-icon{display:grid;width:21px;height:21px;font-size:9px}.node small{font-size:6px}.ai-core{width:118px;height:118px}.ai-core strong{font-size:39px}.core-caption{font-size:7px}.core-bottom{font-size:8px}.hero-bottom{flex-direction:column;gap:3px;padding:17px 0;font-size:10px}.section{padding:58px 0}.eyebrow{font-size:10px;letter-spacing:1.4px}h2{font-size:28px;line-height:1.5;letter-spacing:-.5px}.section-heading{display:block;margin-bottom:29px}.section-intro{margin-top:20px;font-size:13px}.section-intro br{display:none}.service-grid{grid-template-columns:1fr;gap:18px}.service-card{padding:25px 25px 0}.service-card.featured{padding-top:23px}.card-top{margin-bottom:22px}.card-top .mono{font-size:10px;letter-spacing:1px}.service-icon{width:39px;height:39px;font-size:26px}.service-card h3{font-size:21px}.service-card p{font-size:13px;margin-bottom:16px}.service-card ul{font-size:13px;margin-bottom:23px}.card-footer{font-size:12px}.solutions-grid{display:block}.solutions-intro>p:not(.eyebrow){max-width:none;font-size:13px;margin-top:18px}.scenario-note{margin-top:23px;max-width:none}.scenario-list{margin-top:35px}.scenario{gap:18px;padding:24px 0}.scenario h3{font-size:18px}.scenario p{font-size:13px}.process{grid-template-columns:1fr 1fr;gap:32px 25px;margin:36px 0 38px}.process h3{font-size:18px;margin:12px 0 9px}.process p{font-size:12px}.principles{padding:25px;grid-template-columns:1fr;gap:22px}.principles-title{font-size:16px;padding-bottom:18px;border-bottom:1px solid var(--line)}.principles-title br{display:none}.principles h3{font-size:14px}.principles p{font-size:12px}.contact-section{padding:49px 0 38px}.contact-grid{display:block}.contact-section h2{font-size:29px}.contact-section p{font-size:13px}.contact-section p br{display:none}.contact-card{margin-top:32px;border-left:0;border-top:1px solid #ffffff24;padding:27px 0 0}.email{font-size:clamp(18px,5.4vw,25px);gap:12px;justify-content:space-between}.contact-card p{max-width:none}.contact-actions{gap:25px}.contact-actions .button{font-size:12px}.footer-top{padding:27px 0;flex-wrap:wrap;gap:15px;justify-content:space-between}.footer-top p{order:3;flex-basis:100%;font-size:11px}.footer-brand>span{font-size:17px}.footer-bottom{padding:20px 0;flex-direction:column;align-items:flex-start;gap:6px;font-size:10px}}
/* Deep blue palette, shared by desktop and mobile. */
:root{--ink:#e6f0f7;--text:#a0b5c8;--blue:#70b5ff;--pale:#0d2032;--line:#284055;--white:#10273b}
body{background:#0a1928}.header{background:rgba(10,25,40,.97);border-bottom-color:#263c50}.brand small{color:#91a8bc}nav .nav-contact{border-color:#39556b}nav>a:hover,.text-link:hover{color:#9bceff}.menu-toggle{background:#122b40}.menu-toggle span{background:#dbeaf6}.skip{background:#195fa9;color:white}
.hero{background:radial-gradient(ellipse at 90% 20%,#153d58 0%,transparent 55%),linear-gradient(115deg,#0b1b2c,#102c43)}.hero .eyebrow{color:#87c6ff}.status-dot{background:#7ebfff;box-shadow:0 0 0 4px #7ebfff15}.hero h1>span{color:#80c7ff}.hero-bottom{border-top-color:#304a60;color:#9bb1c4}.hero-topics{color:#9eb9ce}.hero-topics span+span:before{color:#54728a}.button-blue{color:#071b2d;background:#7bbdff;box-shadow:0 6px 20px #4b9ffb16}.button-blue:hover{background:#a0d1ff}.system-visual{background:#102c42;border-color:#385a73;box-shadow:0 24px 60px #020c1d60}.service-card{background:#10273b;border-color:#2b4358}.service-card:hover{box-shadow:0 15px 35px #020b1655}.featured{background:linear-gradient(150deg,#173751,#10273b 75%);border-top-color:#7bbdff}.service-icon{background:#203e59;color:#93cbff}.card-top{color:#829fb6}.service-card ul{color:#b6cbdc}.service-card li:before{background:#70a5cd}.solutions{background:#0e2335}.scenario-number{color:#7194af}.tags span{border-color:#335169;color:#9cb7cc}.scenario-note{border-color:#36556d;color:#8da8bd}.principles{background:#102b40}.contact-section{background:radial-gradient(ellipse at 15% 100%,#164164,transparent 65%),#102e46;border-block:1px solid #29465f}.contact-card{border-color:#406078}.contact-section p{color:#b0c8db}.contact-section .eyebrow{color:#99d2ee}.contact-label{color:#a4c1d6}.button-light{background:#d9edff;color:#0c2940}.button-light:hover{background:#fff}.footer{background:#081725}.footer-top p{color:#8da6ba}.footer-bottom{border-color:#24394b;color:#8fa8bc}.back-top{color:#9ab4c8}.principles-title{border-color:#345268}
@media(max-width:600px){nav{background:#0d2235;border-bottom-color:#30495e;box-shadow:0 12px 20px #020b1645}.contact-card{border-top-color:#406078}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}