:root{--paper:#f5f7fb;--ink:#172b4d;--blue:#2459d3;--mist:#dce7fb;--orange:#e58846;--muted:#596980;--line:#dce2ed;--white:#fff;--body:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;--display:"Songti SC","Noto Serif CJK SC","STSong",serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;color:var(--ink);background:white;font:15px/1.8 var(--body);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:4px}img{max-width:100%}h1,h2,h3,h4,p{margin:0}h1{font:600 clamp(36px,4.6vw,65px)/1.24 var(--display);letter-spacing:-1px}h2{font:600 clamp(27px,2.8vw,38px)/1.45 var(--display);letter-spacing:-.5px}h3{font-size:20px;line-height:1.5;letter-spacing:-.3px}h4{font-size:18px}p+p{margin-top:14px}ul{padding-left:18px}li+li{margin-top:6px}.wrap{width:min(1180px,calc(100% - 80px));margin:auto}.mono{font-family:"SFMono-Regular",Consolas,monospace;letter-spacing:.3px}.small-label,.eyebrow{font-size:12px;letter-spacing:1.7px;font-weight:600}.eyebrow{color:var(--blue);margin-bottom:22px}.muted{color:var(--muted)}.small{font-size:12px}.lead{font-size:17px;line-height:1.95;color:var(--muted)}.skip{position:fixed;top:-100px;z-index:100;background:var(--ink);color:white;padding:10px}.skip:focus{top:0}.header{background:#ffffffed;border-bottom:1px solid #e6ebf2;position:sticky;top:0;z-index:20;backdrop-filter:blur(16px)}.nav{display:flex;align-items:center;justify-content:space-between;height:88px;gap:24px}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:650;line-height:1.3;white-space:nowrap}.brand small{display:block;font-size:10px;font-weight:400;letter-spacing:1.15px;margin-top:6px}.nav nav{display:flex;align-items:center;gap:32px;font-size:13px}.nav nav>a{position:relative}.nav nav>a[aria-current=page]{color:var(--blue)}.nav-call{border:1px solid var(--ink);padding:9px 17px;border-radius:5px}.menu{display:none}.hero{background:linear-gradient(115deg,#fff 22%,#f4f7fd 70%,#e9effb);overflow:hidden}.hero-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:64px;align-items:center;padding-top:78px;padding-bottom:82px}.hero-copy h1{font-family:var(--body);font-size:clamp(38px,4.1vw,58px);letter-spacing:-2px;font-weight:620;line-height:1.34}.hero-copy h1 em{font-family:var(--display);font-style:normal;color:var(--blue);font-weight:600;letter-spacing:0}.hero-copy .lead{max-width:460px;margin-top:24px;font-size:16px}.dot{display:inline-block;width:6px;height:6px;background:var(--orange);border-radius:50%;vertical-align:middle;margin:0 9px 2px 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0}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:36px;margin-bottom:44px}.section-heading>p{color:var(--muted);font-size:14px}.section-heading .eyebrow{margin-bottom:14px}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.scenario{border:1px solid var(--line);padding:30px 28px;border-radius:8px}.scenario-icon{display:block;color:var(--blue);font-size:32px;margin-bottom:24px;line-height:1.2}.scenario .small-label{font-size:10px;color:var(--muted);margin-bottom:8px}.scenario h3{font-size:21px;margin-bottom:14px}.scenario p:not(.small-label){font-size:14px;color:var(--muted)}.scenario ul{border-top:1px solid var(--line);padding-top:18px;font-size:12px;margin-top:22px;color:var(--muted)}.scenario>a{font-size:12px;color:var(--blue);display:inline-block;margin-top:18px;font-weight:600}.below-link{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:22px 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small{display:block;font-size:10px;color:#6d7889;margin-top:8px}.faq-section{background:#f8f9fc}.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:75px}.faq-layout .text-link{display:inline-block;margin-top:28px}.faq details{border-bottom:1px solid var(--line);padding:19px 0}.faq details:first-child{padding-top:0}.faq summary{font-size:16px;cursor:pointer;list-style:none;position:relative;padding-right:30px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'＋';position:absolute;right:0;color:var(--blue)}.faq details[open] summary:after{content:'－'}.faq p{color:var(--muted);font-size:13px;line-height:1.9;margin-top:14px}.cta-section{background:var(--blue);color:white;padding:60px 0}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:35px}.cta-inner .eyebrow{color:#b9ceff;margin-bottom:13px}.cta-inner p:last-child{color:#d7e2fc;font-size:14px;margin-top:13px}.button.light{background:white;color:var(--blue);border-color:white;white-space:nowrap}.footer{background:#13243e;color:#d4dfef;padding:52px 0 23px;font-size:12px}.footer-grid{display:grid;grid-template-columns:1.25fr 1fr .65fr;gap:60px}.footer .brand{color:white}.footer p{color:#9fb0c9;line-height:1.9;margin-top:22px;font-size:11px}.footer-grid>div>strong{display:block;color:white;font-size:12px;margin-bottom:15px}.footer-grid>div>a:not(.brand){display:block;margin:8px 0}.footer-grid>div>span{font-size:10px;display:block;color:#9fb0c9;margin-top:14px}.footer-bottom{margin-top:38px;border-top:1px solid #30415a;display:flex;justify-content:space-between;gap:20px;padding-top:20px;color:#9fb0c9;font-size:10px}.page-intro{padding-top:72px;padding-bottom:56px}.page-intro h1{font-size:clamp(36px,4.2vw,56px)}.page-intro 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17px;background:#f2f5fb;border-left:3px solid var(--blue);display:flex;flex-wrap:wrap;gap:7px 22px;font-size:12px;color:var(--muted)}.notice strong{color:var(--ink)}.demo-workspace{border:1px solid var(--line);border-radius:10px;overflow:hidden}.demo-head{display:flex;justify-content:space-between;align-items:center;padding:26px 30px;background:var(--paper);border-bottom:1px solid var(--line);gap:20px}.demo-head h2{font:600 23px var(--body);margin-top:8px}.demo-head .small-label{font-size:10px;color:var(--muted)}.demo-head .button{font-size:12px;padding:8px 14px}.demo-columns{display:grid;grid-template-columns:.9fr 1.1fr;min-height:350px}.catalog{padding:30px;border-right:1px solid var(--line)}.catalog h3,.demo-board h3{font-size:17px}.catalog>p.small{margin:8px 0 20px}.catalog-row{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--line);padding:18px 0;font-size:12px}.catalog-row label{flex:1}.catalog-row strong{font-size:13px}.catalog-row small{display:block;font-size:10px;color:var(--muted);margin-top:3px}.catalog-row input{width:76px;min-width:0;padding:7px;border:1px solid var(--line);border-radius:3px}.swatch{width:32px;height:38px;border-radius:6px 6px 2px 2px;display:inline-block}.swatch.blue{background:#274a83}.swatch.gray{background:#8292a8}.catalog .button{font-size:12px;padding:10px 18px}.demo-board{padding:30px;max-height:610px;overflow:auto}.board-top{display:flex;justify-content:space-between;gap:15px;align-items:center;margin-bottom:22px}.empty-state{text-align:center;color:var(--muted);padding:35px 10px}.empty-state>span{font-size:44px;color:#a1b6d6}.empty-state h4{font-size:15px;margin:10px 0}.empty-state p{font-size:12px}.demo-order{border:1px solid var(--line);padding:19px;border-radius:6px;margin-top:14px}.demo-order-header{display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:13px}.demo-order p{font-size:12px;color:var(--muted);margin:12px 0}.demo-order label{font-size:11px;display:flex;align-items:center;justify-content:space-between;gap:12px}.demo-order select{font-size:12px;border:1px solid var(--line);background:white;padding:6px 10px;border-radius:4px;color:var(--ink)}.demo-summary{display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;background:var(--paper);border-top:1px solid var(--line);padding:20px 30px;font-size:13px}.demo-summary>span{font-size:11px;color:var(--muted)}.demo-next{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.demo-next li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}.legal{max-width:800px;padding-block:65px 100px}.legal h1{font-size:45px;margin-bottom:25px}.legal h2{font:600 23px var(--body);margin:36px 0 15px}.legal p{color:var(--muted);font-size:14px}.legal p a{text-decoration:underline}.legal>.button{margin-top:35px}[hidden]{display:none!important}
@media(min-width:1500px){.hero-grid{padding-block:95px 100px}}
@media(max-width:1050px){.wrap{width:calc(100% - 48px)}.hero-grid{gap:36px}.hero-copy h1{font-size:43px}.paper{padding:22px}.floating-note{right:-8px}.nav nav{gap:20px}.scenario{padding:25px 21px}.scenario h3{font-size:18px}.team-layout{gap:55px}.contact-layout{gap:45px}.brief-panel{padding:25px}.service-block{gap:50px}}
@media(max-width:760px){.wrap{width:calc(100% - 36px)}.nav{height:74px}.brand{font-size:17px;gap:9px}.brand small{font-size:8px;letter-spacing:.8px}.brand img{width:32px;height:32px}.menu{display:flex;align-items:center;gap:16px;background:white;border:0;color:var(--ink);padding:9px 0 9px 12px;font-size:13px}.menu span{font-size:21px}.nav nav{display:none;position:absolute;top:74px;left:0;right:0;padding:18px;background:white;border-bottom:1px solid var(--line);box-shadow:0 15px 20px #172b4d10;align-items:stretch;gap:0}.nav nav.open{display:flex;flex-direction:column}.nav nav>a{padding:11px 14px}.nav-call{margin-top:10px;text-align:center}.hero-grid{grid-template-columns:1fr;padding-top:48px;padding-bottom:60px;gap:40px}.hero-copy h1{font-size:clamp(36px,8.5vw,55px);letter-spacing:-1px}.hero-copy .lead{font-size:14px;max-width:500px}.eyebrow{font-size:10px;margin-bottom:18px}.actions{gap:18px}.hero-note{font-size:10px}.workflow-art{max-width:500px;width:100%;margin:0 auto;padding:0 5px}.paper{padding:22px 20px}.paper-heading h2{font-size:22px}.floating-note{bottom:-23px;right:0;padding:11px 18px}.art-top .mono{font-size:9px}.art-caption{font-size:8px}.audience{flex-wrap:wrap;justify-content:flex-start;gap:10px 20px;font-size:10px;padding-block:18px}.audience span:first-child{width:100%}.section{padding:62px 0}.section-heading{display:block;margin-bottom:30px}.section-heading>p{margin-top:18px;font-size:12px}.section-heading h2,h2{font-size:29px}.scenario-grid{grid-template-columns:1fr;gap:16px}.scenario{padding:25px}.scenario-icon{margin-bottom:14px;font-size:28px}.scenario h3{font-size:21px}.scenario ul{display:flex;flex-wrap:wrap;gap:8px 22px;padding-left:14px}.scenario li+li{margin-top:0}.scenario>a{margin-top:8px}.below-link{font-size:11px;gap:20px}.process{grid-template-columns:1fr 1fr;gap:30px 24px}.process h3{font-size:16px;margin:14px 0 10px}.process strong{margin-top:15px}.process article{padding-top:14px}.team-layout,.faq-layout,.pricing,.contact-layout,.demo-next{grid-template-columns:1fr;gap:35px}.team-layout h2{font-size:33px}.team-layout .lead{font-size:15px;margin-top:18px}.responsibilities article{padding-bottom:20px}.faq summary{font-size:14px}.faq-layout .text-link{margin-top:18px}.cta-inner{display:block}.cta-section{padding:45px 0}.cta-inner h2{font-size:28px}.cta-inner .button{margin-top:25px}.footer{padding-top:35px}.footer-grid{grid-template-columns:1fr 1fr;gap:35px 22px}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid>div:first-child p{margin-top:15px}.footer-grid>div:nth-child(2){min-width:0;overflow-wrap:anywhere}.footer-bottom{display:block;font-size:9px}.footer-bottom span{display:block;margin-top:7px}.page-intro{padding-top:45px;padding-bottom:36px}.page-intro h1{font-size:36px;letter-spacing:-.7px}.page-intro .lead{font-size:14px;margin-top:20px}.service-jumps{gap:8px;margin-top:24px}.service-jumps a{font-size:10px;padding:6px 10px}.service-block{grid-template-columns:1fr;gap:25px;padding-block:32px}.service-title h2{font-size:28px}.service-title .text-link{margin-top:16px}.service-body{gap:22px}.service-body h3{font-size:12px}.service-body p{font-size:11px}.services-list{padding-bottom:35px}.pricing{gap:25px}.price-lines>div{grid-template-columns:90px 1fr}.contact-layout{padding-bottom:60px}.contact-aside .phone{font-size:26px}.contact-note{margin-top:24px}.brief-panel{padding:23px 18px}.brief-panel>h2{font-size:22px}.form-grid{grid-template-columns:1fr}.field input,.field textarea,.field select,#brief-output{font-size:16px}.field label{font-size:12px}#brief-result .actions{gap:10px}#email-brief{width:100%}.notice{font-size:11px}.demo-head{padding:20px 17px;gap:12px}.demo-head h2{font-size:18px}.demo-head .small-label{font-size:8px;letter-spacing:.5px}.demo-head .button{font-size:10px;white-space:nowrap;padding:7px 10px}.demo-columns{grid-template-columns:1fr}.catalog{padding:23px 17px;border-right:0;border-bottom:1px solid var(--line)}.catalog-row input{font-size:16px}.demo-board{padding:23px 17px}.demo-summary{padding:17px;font-size:11px}.demo-summary>span{width:100%}.board-top h3{font-size:15px}.legal{padding-block:45px 60px}.legal h1{font-size:36px}.legal h2{font-size:20px}.legal p{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

.local-fields{border:0;padding:0;margin:0;min-width:0}.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}.brief-panel .local-fields>button{margin-top:22px}.catalog .local-fields>p.small{margin:8px 0 20px}fieldset:disabled{opacity:.6}

/* Keep the primary contact actions accessible on phone screens. */
.contact-role{color:var(--muted);font-size:12px;margin:-8px 0 20px!important}
.mobile-contact{display:none}
@media(max-width:760px){
 body{padding-bottom:calc(76px + env(safe-area-inset-bottom,0px))}
 .mobile-contact{position:fixed;z-index:25;bottom:0;left:0;right:0;display:grid;grid-template-columns:.85fr 1.15fr;gap:10px;padding:10px 18px calc(10px + env(safe-area-inset-bottom,0px));background:#ffffffed;border-top:1px solid var(--line);backdrop-filter:blur(16px)}
 .mobile-contact a{display:flex;justify-content:center;align-items:center;gap:15px;min-height:46px;border:1px solid var(--blue);border-radius:5px;font-size:14px;font-weight:600;color:var(--blue)}
 .mobile-contact a:last-child{background:var(--blue);color:white}
 .contact-aside .contact-role{font-size:12px}
}