.dt-site{--dt-ink:#13233d;--dt-muted:#627087;--dt-blue:#1748d7;--dt-paper:#f2f6fc;color:var(--dt-ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;max-width:1180px;margin:0 auto;line-height:1.75}.dt-site *{box-sizing:border-box}.dt-site h1,.dt-site h2,.dt-site h3{color:var(--dt-ink);font-weight:700;letter-spacing:-.03em;line-height:1.3}.dt-site h1{font-size:clamp(32px,3.6vw,54px);margin:18px 0 24px}.dt-site h2{font-size:clamp(25px,2.7vw,36px);margin:12px 0 20px}.dt-site h3{font-size:23px;margin:12px 0}.dt-site p{font-size:17px;color:var(--dt-muted);margin:0 0 18px}.dt-site a{color:var(--dt-blue)}.dt-site .dt-eyebrow{font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--dt-blue);margin-bottom:14px}.dt-site .dt-lead{font-size:19px;line-height:1.85;max-width:530px}.dt-site .dt-intro{max-width:800px;font-size:18px}.dt-site .dt-hero{gap:48px;align-items:center;margin:0 0 70px;background:var(--dt-paper);padding:36px;border-radius:20px}.dt-site .dt-hero .wp-block-column{min-width:0}.dt-site .dt-hero-image{margin:0}.dt-site .dt-hero-image img{width:100%;height:360px;object-fit:cover;border-radius:14px}.dt-site .wp-block-buttons{gap:12px;margin-top:24px}.dt-site .wp-block-button__link{background:var(--dt-blue);color:white;border-radius:7px;padding:13px 24px;text-decoration:none;font-size:16px;font-weight:600;line-height:1.5}.dt-site .is-style-outline .wp-block-button__link{color:var(--dt-blue);background:transparent;border:1px solid #aebde0}.dt-site .wp-block-button__link:hover{filter:brightness(.93)}.dt-site .dt-section{margin:0 0 72px;padding:0}.dt-site .dt-benefits{gap:20px;margin-top:30px}.dt-site .dt-benefit{padding:26px;background:var(--dt-paper);border-radius:12px;height:100%}.dt-site .dt-benefit h3{font-size:21px}.dt-site .dt-benefit p{font-size:16px;margin-bottom:0}.dt-site .dt-card-row{gap:28px;margin:28px 0}.dt-site .dt-card{height:100%;background:white;border:1px solid #dee6f2;border-radius:16px;overflow:hidden;box-shadow:0 12px 32px #18325108}.dt-site .dt-card-image{margin:0}.dt-site .dt-card-image img{display:block;width:100%;aspect-ratio:16/9;height:auto;object-fit:cover}.dt-site .dt-card-content{padding:24px 28px}.dt-site .dt-card-number{font-size:13px;letter-spacing:.12em;color:var(--dt-blue);font-weight:700;margin-bottom:6px}.dt-site .dt-card-link{margin-bottom:0;font-size:15px;font-weight:600}.dt-site .dt-card-link a{text-decoration:none}.dt-site .dt-about{gap:46px;align-items:center}.dt-site .dt-about-image{margin:0}.dt-site .dt-about-image img{width:100%;border-radius:16px;object-fit:cover;aspect-ratio:4/3}.dt-site .dt-about h2{font-size:clamp(25px,2.5vw,34px)}.dt-site .dt-steps{gap:24px;margin-top:28px}.dt-site .dt-step{padding:28px;background:var(--dt-paper);border-radius:12px;height:100%}.dt-site .dt-step-number{display:inline-flex;align-items:center;justify-content:center;background:var(--dt-blue);color:white;border-radius:50%;width:40px;height:40px;font-size:14px;font-weight:700}.dt-site .dt-step h3{font-size:21px}.dt-site .dt-step p:last-child{margin-bottom:0;font-size:16px}.dt-site .dt-cta{padding:44px;border-radius:18px;background:#10284c;margin:20px 0 30px}.dt-site .dt-cta h2{color:white}.dt-site .dt-cta p{color:#cad6e9}.dt-site .dt-cta .wp-block-button__link{background:#fff;color:#12365e}.dt-site .dt-image-note{font-size:12px;color:#8390a2}.dt-site .dt-map{max-width:750px;margin:30px auto}.dt-site .dt-map img{width:100%;height:auto;border-radius:14px}.dt-site figcaption{font-size:13px;color:var(--dt-muted);line-height:1.6;text-align:center;margin-top:12px}.dt-site .wp-block-details{padding:22px 26px;border:1px solid #dfe6f0;border-radius:12px;margin:20px 0 50px}.dt-site .wp-block-details>summary{font-size:18px;font-weight:600;cursor:pointer;color:var(--dt-ink)}.dt-site .wp-block-details[open]>summary{margin-bottom:30px}.dt-site .dt-reading{max-width:780px;margin-left:auto;margin-right:auto}.dt-site .dt-contact form{max-width:780px;margin:auto}.dt-site .dt-contact input,.dt-site .dt-contact select,.dt-site .dt-contact textarea{width:100%;padding:12px;border:1px solid #cfd9e7;border-radius:7px;background:white;font:inherit;margin:8px 0 20px}.dt-site .dt-contact label{display:block;font-weight:600;font-size:16px}.dt-site .dt-contact button{border:0;border-radius:7px;background:var(--dt-blue);color:white;padding:12px 22px;font:inherit;cursor:pointer}.dt-site .dt-contact pre{white-space:pre-wrap;font-size:15px;padding:20px;background:var(--dt-paper)}body.datuo-visual-page .single-page-title,body.datuo-visual-page>.wp-site-blocks>main>.wp-block-group>.wp-block-post-title{display:none}body.datuo-visual-page .site-header{background:white}body.datuo-visual-page .single-content-inner{padding:24px!important}body.datuo-visual-page .main-wrapper{padding-top:28px}body.datuo-visual-page .header-socials,body.datuo-visual-page .header-widgets{display:none}.editor-styles-wrapper .dt-site{padding:20px}.editor-styles-wrapper .dt-site .dt-hero{gap:30px}@media(max-width:781px){.dt-site .wp-block-columns{flex-wrap:wrap!important}.dt-site .wp-block-column{flex-basis:100%!important}.dt-site .dt-hero{padding:24px;gap:24px;margin-bottom:44px}.dt-site .dt-hero-image img{height:auto;aspect-ratio:3/2}.dt-site h1{font-size:34px}.dt-site .dt-section{margin-bottom:44px}.dt-site .dt-card-row{gap:24px}.dt-site .dt-benefits,.dt-site .dt-steps{gap:16px}.dt-site .dt-cta{padding:28px}.dt-site .dt-card-content{padding:22px}.dt-site .dt-about{gap:24px}.dt-site p{font-size:16px}body.datuo-visual-page .single-content-inner{padding:16px!important}.dt-site .wp-block-button__link{font-size:15px;padding:12px 18px}}

body.datuo-visual-page .wp-block-post-title{display:none}
/* Keep process text horizontal by wrapping long sequences into a responsive grid. */
.dt-site .dt-steps{display:grid!important;grid-template-columns:repeat(auto-fit,minmax(min(210px,100%),1fr));gap:24px!important;align-items:stretch}
.dt-site .dt-steps>.wp-block-column{width:auto!important;min-width:0!important;flex-basis:auto!important}
.dt-site .dt-step h3,.dt-site .dt-step p{word-break:normal;overflow-wrap:break-word;writing-mode:horizontal-tb}
@media(max-width:520px){.dt-site .dt-steps{grid-template-columns:1fr}}

/* Original DarTuo web-native diagrams replacing third-party presentation visuals. */
.dt-site .dt-native-flow{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;padding:24px;background:linear-gradient(145deg,#eaf1fb,#f7f9fc);border:1px solid #d8e3f1;border-radius:16px}
.dt-site .dt-native-flow>div{position:relative;min-height:132px;padding:22px;background:#fff;border-radius:12px;border-left:4px solid #1748d7;box-shadow:0 8px 22px rgba(19,35,61,.07)}
.dt-site .dt-native-flow span{display:block;color:#1748d7;font-size:13px;font-weight:800;letter-spacing:.1em;margin-bottom:12px}
.dt-site .dt-native-flow strong{display:block;color:#13233d;font-size:20px;line-height:1.35;margin-bottom:8px}
.dt-site .dt-native-flow small{display:block;color:#627087;font-size:15px;line-height:1.6}
.dt-site .dt-steps .dt-step{position:relative;border-top:3px solid #1748d7}
.dt-site .dt-steps .dt-step h3:before{content:"";display:inline-block;width:11px;height:11px;margin:0 10px 2px 0;border-radius:3px;background:#1748d7;transform:rotate(45deg)}
.dt-site .dt-steps>.wp-block-column:nth-child(3n+2) .dt-step{border-top-color:#147d87}
.dt-site .dt-steps>.wp-block-column:nth-child(3n+2) .dt-step h3:before{background:#147d87}
.dt-site .dt-steps>.wp-block-column:nth-child(3n) .dt-step{border-top-color:#d27b24}
.dt-site .dt-steps>.wp-block-column:nth-child(3n) .dt-step h3:before{background:#d27b24}
@media(max-width:520px){.dt-site .dt-native-flow{grid-template-columns:1fr;padding:16px}}
/* DarTuo original information maps v2. */
.dt-site .dt-native-map{margin:28px 0;padding:28px;background:linear-gradient(145deg,#eef4fb 0%,#f9fbfd 100%);border:1px solid #d8e3f1;border-radius:18px;color:#13233d;overflow:hidden}
.dt-site .dt-map-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.dt-site .dt-map-head span{flex:0 0 auto;padding:5px 10px;border-radius:99px;background:#1748d7;color:#fff;font-size:12px;font-weight:800;letter-spacing:.08em}
.dt-site .dt-map-head strong{font-size:20px;line-height:1.4}
.dt-site .dt-map-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.dt-site .dt-map-cols section{padding:20px;background:#fff;border-radius:13px;border-top:4px solid #1748d7;box-shadow:0 8px 22px rgba(19,35,61,.06)}
.dt-site .dt-map-cols section:nth-child(2){border-top-color:#147d87}.dt-site .dt-map-cols section:nth-child(3){border-top-color:#d27b24}
.dt-site .dt-map-cols b{font-size:12px;letter-spacing:.08em;color:#1748d7}.dt-site .dt-map-cols section:nth-child(2) b{color:#147d87}.dt-site .dt-map-cols section:nth-child(3) b{color:#b76618}
.dt-site .dt-map-cols h3{font-size:17px;margin:10px 0 12px}.dt-site .dt-map-cols ul{margin:0;padding:0;list-style:none}.dt-site .dt-map-cols li{padding:8px 0;border-top:1px solid #edf1f6;font-size:14px}
.dt-site .dt-capability-core{width:114px;height:114px;margin:0 auto 18px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#13233d;color:#fff;font-size:18px;font-weight:800;box-shadow:0 0 0 9px rgba(23,72,215,.1)}
.dt-site .dt-capability-items{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.dt-site .dt-capability-items>div,.dt-site .dt-foundation-items>div{padding:17px;background:#fff;border-radius:12px;box-shadow:0 7px 20px rgba(19,35,61,.06)}
.dt-site .dt-capability-items i,.dt-site .dt-foundation-items i{font-style:normal;color:#1748d7;font-size:11px;font-weight:900}.dt-site .dt-capability-items b,.dt-site .dt-foundation-items b{display:block;margin:7px 0 4px;font-size:16px}.dt-site .dt-capability-items small,.dt-site .dt-foundation-items small{display:block;color:#68768c;line-height:1.5}
.dt-site .dt-dual-lanes{display:grid;grid-template-columns:1fr 1fr;gap:14px}.dt-site .dt-dual-lanes section{display:flex;align-items:center;gap:9px;padding:18px;background:#fff;border-radius:13px}.dt-site .dt-dual-lanes section:first-child{border-left:4px solid #1748d7}.dt-site .dt-dual-lanes section:last-child{border-left:4px solid #147d87}.dt-site .dt-dual-lanes b{min-width:72px}.dt-site .dt-dual-lanes p{margin:0;padding:7px 9px;background:#f2f5f9;border-radius:7px;font-size:13px;text-align:center}.dt-site .dt-dual-lanes em{font-style:normal;color:#8793a5}
.dt-site .dt-dual-result{margin:14px auto 0;max-width:420px;padding:14px 18px;background:#13233d;color:#fff;border-radius:12px;text-align:center}.dt-site .dt-dual-result span{display:block;font-size:11px;color:#aec2ef;letter-spacing:.1em}.dt-site .dt-dual-result strong{display:block;margin-top:4px;font-size:17px}
.dt-site .dt-foundation-items{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.dt-site .dt-foundation-items>div{border-bottom:4px solid #1748d7}.dt-site .dt-foundation-items>div:nth-child(2){border-bottom-color:#147d87}.dt-site .dt-foundation-items>div:nth-child(3){border-bottom-color:#d27b24}.dt-site .dt-foundation-items>div:nth-child(4){border-bottom-color:#7056b8}
@media(max-width:820px){.dt-site .dt-capability-items{grid-template-columns:repeat(2,minmax(0,1fr))}.dt-site .dt-dual-lanes{grid-template-columns:1fr}.dt-site .dt-dual-lanes section{flex-wrap:wrap}.dt-site .dt-foundation-items{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.dt-site .dt-native-map{padding:18px}.dt-site .dt-map-head{display:block}.dt-site .dt-map-head strong{display:block;margin-top:10px;font-size:18px}.dt-site .dt-map-cols,.dt-site .dt-capability-items,.dt-site .dt-foundation-items{grid-template-columns:1fr}.dt-site .dt-dual-lanes section{display:grid;grid-template-columns:1fr}.dt-site .dt-dual-lanes em{transform:rotate(90deg);text-align:center}}

/* Homepage: company-wide AI companion positioning. */
.dt-site .dt-hero-companion{background:linear-gradient(135deg,#eef4ff 0%,#f7fbff 56%,#eef8f5 100%)}
.dt-site .dt-companion-visual{position:relative;min-height:440px;border-radius:20px;background:radial-gradient(circle at 50% 50%,rgba(23,72,215,.12) 0 23%,transparent 24%),linear-gradient(145deg,#10213b,#183f69);overflow:hidden}
.dt-site .dt-companion-visual:before,.dt-site .dt-companion-visual:after{content:"";position:absolute;inset:50%;width:270px;height:270px;border:1px solid rgba(173,205,255,.28);border-radius:50%;transform:translate(-50%,-50%)}
.dt-site .dt-companion-visual:after{width:390px;height:390px;border-style:dashed}
.dt-site .dt-companion-core{position:absolute;z-index:2;left:50%;top:50%;width:164px;height:164px;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:50%;background:#fff;box-shadow:0 18px 45px rgba(0,0,0,.22);text-align:center}
.dt-site .dt-companion-core span{font-size:12px;color:#1748d7;font-weight:800;letter-spacing:.08em}.dt-site .dt-companion-core strong{font-size:27px;color:#13233d;margin:5px 0}.dt-site .dt-companion-core small{font-size:12px;color:#66768d}
.dt-site .dt-companion-node{position:absolute;z-index:2;width:142px;padding:14px 15px;border-radius:12px;background:rgba(255,255,255,.95);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.dt-site .dt-companion-node b,.dt-site .dt-companion-node span{display:block}.dt-site .dt-companion-node b{color:#1748d7;font-size:16px}.dt-site .dt-companion-node span{margin-top:4px;color:#637187;font-size:11px}.dt-site .node-one{left:24px;top:34px}.dt-site .node-two{right:24px;top:34px}.dt-site .node-three{left:24px;bottom:34px}.dt-site .node-four{right:24px;bottom:34px}
.dt-site .dt-home-offers,.dt-site .dt-companion-section{margin:64px 0;padding:52px 48px;border-radius:20px}.dt-site .dt-home-offers{background:#0f2038;color:#fff}.dt-site .dt-home-offers .dt-section-head h2,.dt-site .dt-home-offers .dt-section-head p{color:#fff}.dt-site .dt-home-offers .dt-section-head p{color:#b8c8dc}
.dt-site .dt-section-head>span{display:inline-block;margin-bottom:10px;color:#2f66e9;font-size:13px;font-weight:800;letter-spacing:.1em}.dt-site .dt-home-offers .dt-section-head>span{color:#78a5ff}.dt-site .dt-section-head h2{margin:0;font-size:clamp(28px,4vw,42px);line-height:1.2}.dt-site .dt-section-head p{max-width:780px;margin:14px 0 0;color:#607087;font-size:17px;line-height:1.7}
.dt-site .dt-offer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:30px}.dt-site .dt-offer-grid article{padding:26px;border:1px solid rgba(255,255,255,.12);border-radius:15px;background:rgba(255,255,255,.07)}.dt-site .dt-offer-grid i{font-style:normal;color:#78a5ff;font-size:12px;font-weight:900}.dt-site .dt-offer-grid h3{margin:10px 0;font-size:23px;color:#fff}.dt-site .dt-offer-grid p{color:#c8d4e3;line-height:1.65}.dt-site .dt-offer-grid ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;margin:18px 0 0;padding:0;list-style:none}.dt-site .dt-offer-grid li{position:relative;padding-left:15px;color:#eef4fb;font-size:14px;line-height:1.5}.dt-site .dt-offer-grid li:before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:#4fc1aa}
.dt-site .dt-companion-section{background:#eef4fb;border:1px solid #dbe5f2}.dt-site .dt-companion-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:30px}.dt-site .dt-companion-steps>div{padding:20px;background:#fff;border-radius:13px;border-top:3px solid #1748d7}.dt-site .dt-companion-steps i,.dt-site .dt-companion-steps b,.dt-site .dt-companion-steps small{display:block}.dt-site .dt-companion-steps i{font-style:normal;color:#1748d7;font-size:12px;font-weight:900}.dt-site .dt-companion-steps b{margin:9px 0 6px;color:#14243d;font-size:18px}.dt-site .dt-companion-steps small{color:#64738a;font-size:14px;line-height:1.55}
.dt-site .dt-companion-quote{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:20px;padding:22px 24px;border-radius:13px;background:#1748d7;color:#fff}.dt-site .dt-companion-quote strong{font-size:20px}.dt-site .dt-companion-quote span{color:#dbe6ff}
.dt-site .dt-industry-divider{margin:78px 0 28px;padding:28px 32px;border-left:5px solid #147d87;background:linear-gradient(90deg,#eaf6f4,#f8fbfb);border-radius:0 14px 14px 0}.dt-site .dt-industry-divider span{display:block;color:#147d87;font-size:13px;font-weight:900;letter-spacing:.1em}.dt-site .dt-industry-divider strong{display:block;margin:8px 0;font-size:26px;color:#14243d}.dt-site .dt-industry-divider p{margin:0;color:#64738a}
@media(max-width:900px){.dt-site .dt-companion-visual{min-height:390px}.dt-site .dt-companion-node{width:122px;padding:11px}.dt-site .dt-home-offers,.dt-site .dt-companion-section{padding:38px 28px}.dt-site .dt-offer-grid{grid-template-columns:1fr}.dt-site .dt-companion-steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.dt-site .dt-companion-visual{min-height:470px}.dt-site .dt-companion-core{width:145px;height:145px}.dt-site .dt-companion-node{width:128px}.dt-site .node-one{left:12px;top:24px}.dt-site .node-two{right:12px;top:24px}.dt-site .node-three{left:12px;bottom:24px}.dt-site .node-four{right:12px;bottom:24px}.dt-site .dt-home-offers,.dt-site .dt-companion-section{margin:42px 0;padding:28px 20px}.dt-site .dt-offer-grid ul{grid-template-columns:1fr}.dt-site .dt-companion-steps{grid-template-columns:1fr}.dt-site .dt-companion-quote{display:block}.dt-site .dt-companion-quote span{display:block;margin-top:8px}.dt-site .dt-industry-divider{margin-top:52px;padding:24px}}

/* Engineering software and tender-product visibility. */
.dt-site .dt-offer-grid article:last-child:nth-child(odd){grid-column:1/-1}
.dt-site .dt-engineering-software{margin:42px 0;padding:34px;border-radius:18px;background:linear-gradient(135deg,#10213b,#174c73);color:#fff}
.dt-site .dt-engineering-software>div:first-child>span{color:#82b1ff;font-size:12px;font-weight:900;letter-spacing:.1em}
.dt-site .dt-engineering-software h2{margin:9px 0 12px;color:#fff}
.dt-site .dt-engineering-software p{color:#cad8e7;line-height:1.7}
.dt-site .dt-software-chips{display:flex;flex-wrap:wrap;gap:9px;margin:22px 0}
.dt-site .dt-software-chips b{padding:9px 12px;border:1px solid rgba(255,255,255,.2);border-radius:99px;background:rgba(255,255,255,.09);font-size:13px}
.dt-site .dt-engineering-jobs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.dt-site .dt-engineering-jobs span{padding:13px;border-radius:9px;background:#fff;color:#17304e;font-size:13px;font-weight:700;text-align:center}
.dt-site .dt-specialized-ai-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:30px 0 56px}
.dt-site .dt-specialized-ai-grid article{padding:28px;border-radius:15px;background:#eef4fb;border-top:4px solid #1748d7}
.dt-site .dt-specialized-ai-grid article:nth-child(2){border-top-color:#147d87}
.dt-site .dt-specialized-ai-grid span{color:#1748d7;font-size:12px;font-weight:900;letter-spacing:.08em}
.dt-site .dt-specialized-ai-grid h3{margin:10px 0;font-size:22px;color:#14243d}
.dt-site .dt-specialized-ai-grid p{margin:0;color:#617188;line-height:1.7}
@media(max-width:700px){.dt-site .dt-offer-grid article:last-child:nth-child(odd){grid-column:auto}.dt-site .dt-engineering-software{padding:26px 20px}.dt-site .dt-engineering-jobs,.dt-site .dt-specialized-ai-grid{grid-template-columns:1fr}}

/* Two commercial engagement models: advisory companion and custom delivery. */
.dt-site .dt-engagement-models{margin:62px 0;padding:46px;border-radius:20px;background:#f0f5fb;border:1px solid #dce5f1}
.dt-site .dt-engagement-models>header>span{color:#1748d7;font-size:13px;font-weight:900;letter-spacing:.1em}
.dt-site .dt-engagement-models>header h2{margin:10px 0 12px;font-size:clamp(28px,4vw,40px);color:#14243d}
.dt-site .dt-engagement-models>header p{max-width:800px;margin:0;color:#617188;font-size:17px;line-height:1.7}
.dt-site .dt-model-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.dt-site .dt-model-card{padding:30px;border-radius:16px;background:#fff;box-shadow:0 10px 28px rgba(19,35,61,.07);border-top:5px solid #1748d7}
.dt-site .dt-model-card.model-custom{border-top-color:#147d87}
.dt-site .dt-model-label{color:#1748d7;font-size:12px;font-weight:900;letter-spacing:.12em}.dt-site .model-custom .dt-model-label{color:#147d87}
.dt-site .dt-model-card h3{margin:8px 0 9px;font-size:27px;color:#14243d}
.dt-site .dt-model-tagline{min-height:78px;margin:0;color:#5d6c81;line-height:1.65}
.dt-site .dt-model-card section{margin-top:22px;padding-top:18px;border-top:1px solid #e7edf4}
.dt-site .dt-model-card section>b{color:#14243d}.dt-site .dt-model-card ul{margin:10px 0 0;padding-left:20px}.dt-site .dt-model-card li{margin:7px 0;color:#55667d;line-height:1.5}
.dt-site .dt-model-fit{margin-top:22px;padding:16px;border-radius:10px;background:#edf3ff}.dt-site .model-custom .dt-model-fit{background:#eaf7f5}.dt-site .dt-model-fit b,.dt-site .dt-model-fit span{display:block}.dt-site .dt-model-fit b{font-size:13px;color:#1748d7}.dt-site .model-custom .dt-model-fit b{color:#147d87}.dt-site .dt-model-fit span{margin-top:5px;color:#52647b;line-height:1.55}
.dt-site .dt-model-comparison{margin-top:24px;border-radius:14px;overflow:hidden;border:1px solid #d9e3ef;background:#fff}
.dt-site .dt-model-comparison>div{display:grid;grid-template-columns:.72fr 1fr 1fr}.dt-site .dt-model-comparison>div>*{padding:14px 16px;border-bottom:1px solid #e4eaf1}.dt-site .dt-model-comparison>div>*+*{border-left:1px solid #e4eaf1}.dt-site .dt-model-comparison>div:last-child>*{border-bottom:0}.dt-site .dt-comparison-head{background:#14243d;color:#fff}.dt-site .dt-model-comparison span{color:#596a80}.dt-site .dt-model-comparison [role="rowheader"]{font-weight:800;color:#21334d;background:#f6f8fb}
.dt-site .dt-hybrid-path{display:flex;gap:18px;align-items:center;margin-top:20px;padding:20px 22px;border-radius:12px;background:linear-gradient(90deg,#1748d7,#176b91);color:#fff}.dt-site .dt-hybrid-path b{flex:0 0 auto}.dt-site .dt-hybrid-path span{color:#e5efff;line-height:1.6}
@media(max-width:760px){.dt-site .dt-engagement-models{padding:30px 20px}.dt-site .dt-model-grid{grid-template-columns:1fr}.dt-site .dt-model-tagline{min-height:0}.dt-site .dt-model-comparison{overflow-x:auto}.dt-site .dt-model-comparison>div{min-width:650px}.dt-site .dt-hybrid-path{display:block}.dt-site .dt-hybrid-path span{display:block;margin-top:8px}}

/* AI practice library */
.dt-site .dt-library-hero{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(280px,.8fr);gap:32px;align-items:stretch;margin-bottom:64px;padding:52px 48px;border-radius:22px;background:linear-gradient(135deg,#eef4ff 0%,#f7fbff 58%,#e9f7f4 100%)}
.dt-site .dt-library-hero h1{max-width:760px;margin:10px 0 22px}.dt-site .dt-library-hero .dt-lead{max-width:760px;margin:0}
.dt-site .dt-library-note{display:flex;flex-direction:column;justify-content:center;padding:26px;border:1px solid #d9e5f0;border-radius:16px;background:rgba(255,255,255,.78)}
.dt-site .dt-library-note>span{color:#1748d7;font-size:12px;font-weight:800;letter-spacing:.1em}.dt-site .dt-library-note strong{margin:8px 0 10px;color:#152742;font-size:21px;line-height:1.45}.dt-site .dt-library-note p{margin:0;font-size:15px;line-height:1.7}
.dt-site .dt-library-section{margin-bottom:68px}.dt-site .dt-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:30px}
.dt-site .dt-library-card{position:relative;min-height:230px;padding:30px;border:1px solid #dfe7f0;border-radius:16px;background:#fff;box-shadow:0 10px 28px rgba(19,35,61,.055)}
.dt-site .dt-library-card>span{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:#eaf0ff;color:#1748d7;font-size:13px;font-weight:900}.dt-site .dt-library-card h3{margin:18px 0 10px;font-size:22px}.dt-site .dt-library-card p{margin:0 0 24px;font-size:16px;line-height:1.7}.dt-site .dt-library-card small{position:absolute;bottom:26px;color:#7a8798;font-size:13px;font-weight:700;letter-spacing:.05em}
.dt-site .dt-library-method{display:grid;grid-template-columns:.9fr 1.25fr;gap:38px;margin-bottom:68px;padding:42px;border-radius:18px;background:#10284c}.dt-site .dt-library-method h2{margin:10px 0 0;color:#fff}.dt-site .dt-library-method>div>span{color:#82adff;font-size:13px;font-weight:800;letter-spacing:.1em}.dt-site .dt-library-method ol{display:grid;gap:12px;margin:0;padding:0;list-style:none;counter-reset:library-rule}.dt-site .dt-library-method li{counter-increment:library-rule;display:grid;grid-template-columns:32px 1fr;column-gap:12px;padding:15px 17px;border-radius:10px;background:rgba(255,255,255,.08)}.dt-site .dt-library-method li:before{content:counter(library-rule,decimal-leading-zero);grid-row:1/3;color:#82adff;font-weight:900}.dt-site .dt-library-method li b{color:#fff}.dt-site .dt-library-method li span{color:#c5d2e2;font-size:14px;line-height:1.55}
.dt-site .dt-library-cta{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:38px 42px;border:1px solid #dbe5f1;border-radius:18px;background:#f6f9fd}.dt-site .dt-library-cta>div>span{color:#1748d7;font-size:13px;font-weight:800}.dt-site .dt-library-cta h2{margin:7px 0 8px}.dt-site .dt-library-cta p{max-width:720px;margin:0}.dt-site .dt-library-cta>a{flex:0 0 auto;padding:13px 20px;border-radius:8px;background:#1748d7;color:#fff;text-decoration:none;font-weight:700}
@media(max-width:760px){.dt-site .dt-library-hero{grid-template-columns:1fr;padding:32px 22px;margin-bottom:46px}.dt-site .dt-library-grid{grid-template-columns:1fr}.dt-site .dt-library-method{grid-template-columns:1fr;padding:30px 22px}.dt-site .dt-library-cta{display:block;padding:30px 22px}.dt-site .dt-library-cta>a{display:inline-block;margin-top:22px}}

/* Manufacturing AI guide series and entry points. */
.dt-site .dt-guide-feature{margin:0 0 72px;padding:46px;border-radius:20px;background:#10284c}.dt-site .dt-guide-feature>header{padding:0!important;background:transparent!important}.dt-site .dt-guide-feature>header>span{color:#83adff;font-size:13px;font-weight:900;letter-spacing:.1em}.dt-site .dt-guide-feature>header h2{margin:9px 0;color:#fff}.dt-site .dt-guide-feature>header p{max-width:800px;color:#c5d2e2}
.dt-site .dt-topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px}.dt-site .dt-topic-card{display:flex;flex-direction:column;padding:25px;border-radius:14px;background:#fff}.dt-site .dt-topic-card:last-child{grid-column:1/-1}.dt-site .dt-topic-card>span{color:#1748d7;font-size:12px;font-weight:900}.dt-site .dt-topic-card h3{margin:8px 0;font-size:21px}.dt-site .dt-topic-card p{font-size:15px;line-height:1.65}.dt-site .dt-topic-card a{margin-top:auto;font-size:14px;font-weight:800;text-decoration:none}
.dt-site .dt-guide-path{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:18px;padding:18px 20px;border-radius:12px;background:rgba(255,255,255,.08);color:#fff}.dt-site .dt-guide-path b{margin-right:8px}.dt-site .dt-guide-path span{padding:5px 9px;border-radius:6px;background:rgba(255,255,255,.1);font-size:13px}.dt-site .dt-guide-path i{font-style:normal;color:#82adff}
.dt-guide-article{padding-bottom:30px}.dt-site .dt-article-hero{margin-bottom:54px;padding:52px 48px;border-radius:20px;background:linear-gradient(135deg,#edf3ff,#f8fbff 55%,#eaf7f4)}.dt-site .dt-article-hero h1{max-width:850px}.dt-site .dt-article-hero .dt-lead{max-width:850px}.dt-site .dt-article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}.dt-site .dt-article-meta span{padding:7px 10px;border:1px solid #d4e0ed;border-radius:99px;background:rgba(255,255,255,.7);color:#52647a;font-size:13px}
.dt-site .dt-reading h2{margin-top:45px}.dt-site .dt-reading>p{font-size:18px;line-height:1.9}.dt-site .dt-callout{margin:32px 0;padding:25px 28px;border-left:5px solid #1748d7;border-radius:0 12px 12px 0;background:#edf3ff}.dt-site .dt-callout strong{display:block;color:#17304e;font-size:20px;line-height:1.5}.dt-site .dt-callout p{margin:8px 0 0;font-size:15px}
.dt-site .dt-number-list{display:grid;gap:12px;margin:25px 0;padding:0;list-style:none;counter-reset:guide}.dt-site .dt-number-list li{counter-increment:guide;display:grid;grid-template-columns:40px 1fr;gap:2px 14px;padding:19px 20px;border:1px solid #dfe7f0;border-radius:11px;background:#fff}.dt-site .dt-number-list li:before{content:counter(guide,decimal-leading-zero);grid-row:1/3;color:#1748d7;font-weight:900}.dt-site .dt-number-list b{font-size:17px}.dt-site .dt-number-list span{color:#627087;line-height:1.6}
.dt-site .dt-three-gates,.dt-site .dt-route-grid,.dt-site .dt-checkpoints{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;margin:28px 0}.dt-site .dt-three-gates article,.dt-site .dt-route-grid article,.dt-site .dt-checkpoints article{padding:24px;border-radius:13px;background:#f1f5fa;border-top:4px solid #1748d7}.dt-site .dt-three-gates article:nth-child(2),.dt-site .dt-route-grid article:nth-child(2),.dt-site .dt-checkpoints article:nth-child(2){border-top-color:#147d87}.dt-site .dt-three-gates article:nth-child(3),.dt-site .dt-route-grid article:nth-child(3),.dt-site .dt-checkpoints article:nth-child(3){border-top-color:#d27b24}.dt-site .dt-three-gates b,.dt-site .dt-route-grid>article>span,.dt-site .dt-checkpoints b{color:#1748d7;font-size:12px;font-weight:900;letter-spacing:.08em}.dt-site .dt-three-gates h2,.dt-site .dt-route-grid h2{margin:9px 0 10px;font-size:21px}.dt-site .dt-three-gates p,.dt-site .dt-route-grid p,.dt-site .dt-checkpoints p{margin:0;font-size:15px;line-height:1.65}.dt-site .dt-route-grid small{display:block;margin-top:17px;color:#1748d7;font-weight:800}
.dt-site .dt-check-list{margin:25px 0;padding:0;list-style:none}.dt-site .dt-check-list li{position:relative;margin:10px 0;padding:16px 18px 16px 48px;border-radius:10px;background:#f3f6fa;color:#55667d;line-height:1.7}.dt-site .dt-check-list li:before{content:"✓";position:absolute;left:18px;top:16px;color:#147d87;font-weight:900}.dt-site .dt-check-list b{color:#17304e}
.dt-site .dt-decision-lanes{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:26px 0}.dt-site .dt-decision-lanes>div{padding:24px;border-radius:13px;background:#edf3ff;border-left:5px solid #1748d7}.dt-site .dt-decision-lanes>div:last-child{background:#eaf7f4;border-left-color:#147d87}.dt-site .dt-decision-lanes span,.dt-site .dt-decision-lanes b{display:block}.dt-site .dt-decision-lanes span{font-size:12px;color:#1748d7;font-weight:900}.dt-site .dt-decision-lanes b{margin-top:8px;line-height:1.6}
.dt-site .dt-health-card{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:24px 0}.dt-site .dt-health-card label{display:flex;gap:11px;align-items:flex-start;padding:16px;border:1px solid #dce5ef;border-radius:10px;background:#fff;color:#34475f;line-height:1.55}.dt-site .dt-health-card input{flex:0 0 auto;width:18px;height:18px;margin-top:3px;accent-color:#1748d7}.dt-site .dt-form-note{padding:14px 17px;border-radius:8px;background:#fff3df;color:#79501f!important;font-size:14px!important}
.dt-site .dt-article-next{display:flex;justify-content:space-between;align-items:center;gap:24px;max-width:880px;margin:56px auto 20px;padding:27px 30px;border-radius:14px;background:#10284c;color:#fff}.dt-site .dt-article-next span,.dt-site .dt-article-next strong{display:block}.dt-site .dt-article-next span{color:#82adff;font-size:12px;font-weight:900}.dt-site .dt-article-next strong{margin-top:5px;font-size:18px}.dt-site .dt-article-next a{flex:0 0 auto;padding:11px 15px;border-radius:7px;background:#fff;color:#1748d7;text-decoration:none;font-weight:800}
.dt-home-guide-entry,.dt-contact-health-entry{display:flex;align-items:center;justify-content:space-between;gap:30px;margin:54px auto!important;padding:34px 38px;border-radius:17px;background:#eef4fb;border:1px solid #d9e4f1}.dt-home-guide-entry>div>span,.dt-contact-health-entry>span{color:#1748d7;font-size:13px;font-weight:900}.dt-home-guide-entry h2,.dt-contact-health-entry h2{margin:6px 0}.dt-home-guide-entry p,.dt-contact-health-entry p{max-width:760px;margin:0}.dt-home-guide-entry>a,.dt-contact-health-entry>a,.dt-pilot-framework>a{flex:0 0 auto;padding:12px 17px;border-radius:8px;background:#1748d7;color:#fff;text-decoration:none;font-weight:800}.dt-contact-health-entry{display:block}.dt-contact-health-entry>a{display:inline-block;margin-top:14px}
.dt-home-guide-entry--featured{display:block;max-width:1180px;margin:16px auto 42px!important;padding:34px 38px;border:0;border-left:6px solid #4fc1aa;background:linear-gradient(120deg,#10284c,#17456b);color:#fff;box-shadow:0 16px 36px rgba(16,40,76,.16);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}.dt-home-guide-entry__label{color:#83adff;font-size:12px;font-weight:900;letter-spacing:.1em}.dt-home-guide-entry__body{display:flex;align-items:center;justify-content:space-between;gap:30px}.dt-home-guide-entry__body h2{margin:8px 0;color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.35}.dt-home-guide-entry__body p{max-width:800px;margin:0;color:#c9d7e8;font-size:16px;line-height:1.7}.dt-home-guide-entry__body>a{flex:0 0 auto;padding:12px 18px;border-radius:8px;background:#fff;color:#1748d7;text-decoration:none;font-weight:800}.dt-home-guide-entry__topics{display:flex;flex-wrap:wrap;gap:8px;margin-top:21px}.dt-home-guide-entry__topics span{padding:6px 10px;border:1px solid rgba(255,255,255,.16);border-radius:99px;background:rgba(255,255,255,.08);color:#e8f0fb;font-size:12px;font-weight:700}
.dt-pilot-framework{margin:55px auto!important;padding:38px;border-radius:18px;background:#10284c}.dt-pilot-framework header>span{color:#82adff;font-size:13px;font-weight:900}.dt-pilot-framework h2{color:#fff}.dt-pilot-framework>div{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:24px 0}.dt-pilot-framework article{padding:20px;border-radius:11px;background:rgba(255,255,255,.09)}.dt-pilot-framework article b{color:#82adff}.dt-pilot-framework article h3{color:#fff;font-size:18px}.dt-pilot-framework article p{margin:0;color:#c8d5e5;font-size:14px}.dt-pilot-framework>a{display:inline-block;background:#fff;color:#1748d7}
@media(max-width:760px){.dt-site .dt-guide-feature{padding:30px 20px}.dt-site .dt-topic-grid,.dt-site .dt-three-gates,.dt-site .dt-route-grid,.dt-site .dt-checkpoints,.dt-site .dt-decision-lanes,.dt-site .dt-health-card{grid-template-columns:1fr}.dt-site .dt-topic-card:last-child{grid-column:auto}.dt-site .dt-article-hero{padding:34px 22px}.dt-site .dt-article-next,.dt-home-guide-entry{display:block}.dt-site .dt-article-next a,.dt-home-guide-entry>a{display:inline-block;margin-top:18px}.dt-home-guide-entry--featured{padding:26px 20px}.dt-home-guide-entry__body{display:block}.dt-home-guide-entry__body>a{display:inline-block;margin-top:18px}.dt-pilot-framework{padding:28px 20px}.dt-pilot-framework>div{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.dt-pilot-framework>div{grid-template-columns:1fr}}

/* About DarTuo: founder voice, working principles and commercial model. */
.dt-about-story{padding-bottom:24px}.dt-about-story .dt-about-hero{display:grid;grid-template-columns:1.55fr .75fr;gap:26px;margin-bottom:70px;padding:52px 48px;border-radius:22px;background:linear-gradient(135deg,#eef4ff,#f8fbff 58%,#e8f7f3)}.dt-about-story .dt-about-hero__copy h1{max-width:780px}.dt-about-story .dt-about-hero__copy .dt-lead{max-width:760px}.dt-about-hero__actions{display:flex;flex-wrap:wrap;gap:11px;margin-top:25px}.dt-about-hero__actions a{padding:12px 18px;border-radius:8px;background:#1748d7;color:#fff;text-decoration:none;font-weight:800}.dt-about-hero__actions a+ a{border:1px solid #aebde0;background:transparent;color:#1748d7}
.dt-about-manifesto{display:flex;flex-direction:column;justify-content:center;padding:28px;border-radius:16px;background:#10284c;color:#fff}.dt-about-manifesto>span{color:#82adff;font-size:12px;font-weight:900;letter-spacing:.1em}.dt-about-manifesto>strong{margin:12px 0;color:#fff;font-size:28px;line-height:1.4}.dt-about-manifesto>p{margin:0;color:#c7d5e6;font-size:15px;line-height:1.7}
.dt-founder-note{display:grid;grid-template-columns:90px minmax(0,760px);justify-content:center;gap:25px;margin:0 0 78px}.dt-founder-note__index{color:#d9e4f4;font-size:72px;font-weight:900;line-height:1}.dt-founder-note>div>span,.dt-honest-section>header>span,.dt-work-signature>header>span,.dt-about-two-models>header>span,.dt-about-fit>div>span{color:#1748d7;font-size:13px;font-weight:900;letter-spacing:.1em}.dt-founder-note h2{margin:8px 0 20px}.dt-founder-note p{font-size:18px;line-height:1.9}
.dt-honest-section{margin-bottom:74px;padding:45px;border-radius:20px;background:#f0f5fb}.dt-honest-section>header{max-width:820px;padding:0!important;background:transparent!important}.dt-honest-section>header h2{margin:8px 0}.dt-honest-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:28px}.dt-honest-grid article{padding:25px;border-radius:13px;background:#fff;border-top:4px solid #1748d7}.dt-honest-grid article:nth-child(2){border-top-color:#147d87}.dt-honest-grid article:nth-child(3){border-top-color:#d27b24}.dt-honest-grid article:nth-child(4){border-top-color:#7056b8}.dt-honest-grid b{font-size:20px}.dt-honest-grid p{margin:9px 0 0;font-size:15px}
.dt-work-signature{margin-bottom:74px}.dt-work-signature>header{max-width:820px;padding:0!important;background:transparent!important}.dt-signature-path{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:11px;margin-top:27px}.dt-signature-path>div{min-height:205px;padding:22px 19px;border:1px solid #dfe7f1;border-radius:13px;background:#fff}.dt-signature-path i,.dt-signature-path b,.dt-signature-path small{display:block}.dt-signature-path i{font-style:normal;color:#1748d7;font-size:12px;font-weight:900}.dt-signature-path b{margin:20px 0 9px;font-size:18px}.dt-signature-path small{color:#63738a;line-height:1.65}
.dt-about-two-models{margin-bottom:74px;padding:44px;border-radius:20px;background:#10284c}.dt-about-two-models>header{padding:0!important;background:transparent!important}.dt-about-two-models>header span{color:#82adff}.dt-about-two-models>header h2{max-width:850px;margin:8px 0 25px;color:#fff}.dt-about-two-models>div{display:grid;grid-template-columns:1fr 1fr;gap:16px}.dt-about-two-models article{padding:28px;border-radius:14px;background:#fff}.dt-about-two-models em{color:#1748d7;font-size:12px;font-style:normal;font-weight:900}.dt-about-two-models h3{font-size:24px}.dt-about-two-models article a{font-weight:800;text-decoration:none}
.dt-about-fit{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:start;margin-bottom:74px}.dt-about-fit h2{margin:8px 0}.dt-about-fit ul{margin:0;padding:0;list-style:none}.dt-about-fit li{position:relative;padding:15px 0 15px 32px;border-bottom:1px solid #e2e8f0;color:#52647a}.dt-about-fit li:before{content:"✓";position:absolute;left:3px;color:#147d87;font-weight:900}
.dt-about-ending{padding:48px;border-radius:20px;background:linear-gradient(125deg,#1748d7,#12677a);text-align:center}.dt-about-ending p{margin:0;color:#aecaFF;font-size:13px;font-weight:900;letter-spacing:.12em}.dt-about-ending h2{margin:8px 0;color:#fff}.dt-about-ending span{display:block;color:#dce8f6}.dt-about-ending a{display:inline-block;margin-top:22px;padding:12px 18px;border-radius:8px;background:#fff;color:#1748d7;text-decoration:none;font-weight:800}
@media(max-width:860px){.dt-about-story .dt-about-hero{grid-template-columns:1fr}.dt-signature-path{grid-template-columns:repeat(2,minmax(0,1fr))}.dt-signature-path>div:last-child{grid-column:1/-1}.dt-about-fit{grid-template-columns:1fr}}
@media(max-width:620px){.dt-about-story .dt-about-hero,.dt-honest-section,.dt-about-two-models,.dt-about-ending{padding:30px 21px}.dt-founder-note{grid-template-columns:1fr}.dt-founder-note__index{font-size:42px}.dt-honest-grid,.dt-about-two-models>div,.dt-signature-path{grid-template-columns:1fr}.dt-signature-path>div:last-child{grid-column:auto;min-height:0}.dt-signature-path>div{min-height:0}.dt-about-hero__actions{display:block}.dt-about-hero__actions a{display:block;text-align:center}.dt-about-hero__actions a+ a{margin-top:10px}}